[ 21.085445][ T338] netconsole: network logging started [ 21.085461][ T338] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.085463][ T338] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 338, name: modprobe [ 21.085465][ T338] preempt_count: 1, expected: 0 [ 21.085472][ T338] RCU nest depth: 0, expected: 0 [ 21.085474][ T338] locks held by modprobe/338: 4, last CPU#2: [ 21.085476][ T338] #0: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.085489][ T338] #1: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.085493][ T338] #2: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.085497][ T338] #3: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 21.085501][ T338] irq event stamp: 40004 [ 21.085502][ T338] hardirqs last enabled at (40003): [] __down_trylock_console_sem+0x86/0xa0 [ 21.085504][ T338] hardirqs last disabled at (40004): [] console_emit_next_record+0x3f8/0x4f0 [ 21.085506][ T338] softirqs last enabled at (39976): [] handle_softirqs+0x67c/0x900 [ 21.085510][ T338] softirqs last disabled at (38973): [] __irq_exit_rcu+0x145/0x1c0 [ 21.085512][ T338] Preemption disabled at: [ 21.085513][ T338] [] vprintk_emit+0x31b/0x3e0 [ 21.085518][ T338] CPU: 2 UID: 0 PID: 338 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.085522][ T338] Tainted: [W]=WARN [ 21.085522][ T338] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 21.085524][ T338] Call Trace: [ 21.085526][ T338] [ 21.085528][ T338] dump_stack_lvl+0x6f/0xa0 [ 21.085533][ T338] ? vprintk_emit+0x31b/0x3e0 [ 21.085535][ T338] __might_resched.cold+0x1fe/0x2c1 [ 21.085540][ T338] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.085544][ T338] ? __kmalloc_noprof+0xdb/0x760 [ 21.085549][ T338] __kmalloc_noprof+0x443/0x760 [ 21.085551][ T338] ? alloc_buf.isra.0+0x4b/0x260 [ 21.085557][ T338] ? do_raw_spin_unlock+0x59/0x250 [ 21.085560][ T338] alloc_buf.isra.0+0x4b/0x260 [ 21.085564][ T338] put_chars+0x1e1/0x2f0 [ 21.085567][ T338] ? __send_to_port+0x420/0x420 [ 21.085571][ T338] ? validate_chain+0x38b/0xc20 [ 21.085575][ T338] hvc_console_print+0x292/0x780 [ 21.085582][ T338] ? hvc_write+0x3a0/0x3a0 [ 21.085585][ T338] ? rcu_is_watching+0x16/0xd0 [ 21.085589][ T338] ? lock_acquire+0x13c/0x160 [ 21.085592][ T338] console_emit_next_record+0x252/0x4f0 [ 21.085596][ T338] ? devkmsg_read+0x4e0/0x4e0 [ 21.085600][ T338] ? rcu_is_watching+0x16/0xd0 [ 21.085603][ T338] ? lock_acquire+0x13c/0x160 [ 21.085606][ T338] console_flush_one_record+0x46f/0x710 [ 21.085610][ T338] ? console_emit_next_record+0x4f0/0x4f0 [ 21.085612][ T338] ? __lock_acquire+0x518/0xc20 [ 21.085617][ T338] console_unlock+0xee/0x1f0 [ 21.085620][ T338] ? console_flush_one_record+0x710/0x710 [ 21.085621][ T338] ? rcu_is_watching+0x16/0xd0 [ 21.085624][ T338] ? lock_acquire+0xa0/0x160 [ 21.085627][ T338] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.085629][ T338] ? vprintk_emit+0x320/0x3e0 [ 21.085632][ T338] vprintk_emit+0x37c/0x3e0 [ 21.085636][ T338] ? wake_up_klogd_work_func+0x90/0x90 [ 21.085638][ T338] ? find_held_lock+0x2b/0x80 [ 21.085641][ T338] ? __lock_release.isra.0+0x69/0x1a0 [ 21.085642][ T338] ? fast_dput+0x316/0x540 [ 21.085647][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 21.085650][ T338] _printk+0xc7/0x100 [ 21.085654][ T338] ? snapshot_read.cold+0x21/0x21 [ 21.085657][ T338] ? __up_write+0x2e5/0x5f0 [ 21.085661][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 21.085664][ T338] ? configfs_register_subsystem+0x340/0x570 [ 21.085669][ T338] init_netconsole+0x4a8/0x1000 [netconsole] [ 21.085672][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 21.085679][ T338] ? cleanup_netconsole+0x1140/0x1140 [netconsole] [ 21.085681][ T338] do_one_initcall+0x124/0x4f0 [ 21.085685][ T338] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 21.085689][ T338] ? do_init_module+0xae/0x8a0 [ 21.085692][ T338] ? kasan_unpoison+0x44/0x70 [ 21.085697][ T338] do_init_module+0x2ad/0x8a0 [ 21.085701][ T338] ? lockdep_hardirqs_on+0x91/0x130 [ 21.085705][ T338] ? free_module+0x470/0x470 [ 21.085710][ T338] ? kfree+0x123/0x590 [ 21.085716][ T338] load_module+0x1424/0x1bb0 [ 21.085723][ T338] ? layout_and_allocate.isra.0+0x680/0x680 [ 21.085727][ T338] ? __ia32_sys_fsconfig+0x180/0x180 [ 21.085730][ T338] ? add_chain_cache+0x12d/0x590 [ 21.085735][ T338] init_module_from_file+0x11f/0x1a0 [ 21.085738][ T338] ? __ia32_sys_init_module+0xc0/0xc0 [ 21.085746][ T338] ? __rwlock_init+0x150/0x150 [ 21.085749][ T338] ? do_raw_spin_unlock+0x59/0x250 [ 21.085752][ T338] idempotent_init_module+0x37b/0x7c0 [ 21.085755][ T338] ? init_module_from_file+0x1a0/0x1a0 [ 21.085761][ T338] ? rcu_is_watching+0x16/0xd0 [ 21.085764][ T338] ? cap_capable+0x1d7/0x3d0 [ 21.085769][ T338] __x64_sys_finit_module+0xdf/0x190 [ 21.085771][ T338] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 21.085775][ T338] do_syscall_64+0xff/0x530 [ 21.085778][ T338] ? exc_page_fault+0xee/0x100 [ 21.085780][ T338] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.085783][ T338] RIP: 0033:0x7fdd6812c37d [ 21.085786][ T338] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 21.085788][ T338] RSP: 002b:00007ffeba330018 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 21.085791][ T338] RAX: ffffffffffffffda RBX: 000055b910c4b700 RCX: 00007fdd6812c37d [ 21.085792][ T338] RDX: 0000000000000000 RSI: 000055b90f71effd RDI: 0000000000000005 [ 21.085793][ T338] RBP: 00007ffeba3300b0 R08: 0000000000000000 R09: 0000000000000000 [ 21.085794][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b90f71effd [ 21.085795][ T338] R13: 000055b910c4b810 R14: 0000000000040000 R15: 0000000000000000 [ 21.085801][ T338] [ 22.290648][ T337] printk: console [netcon_ext0] enabled [ 22.290709][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.290715][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 22.290717][ T337] preempt_count: 1, expected: 0 [ 22.290718][ T337] RCU nest depth: 0, expected: 0 [ 22.290719][ T337] locks held by python3/337: 10, last CPU#5: [ 22.290722][ T337] #0: ff1100000ba087f0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x22c/0x310 [ 22.290735][ T337] #1: ff1100000a631430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 22.290742][ T337] #2: ff11000011273a80 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 22.290747][ T337] #3: ff110000088046b0 (&p->frag_sem){.+.+}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 22.290751][ T337] #4: ffffffffc02f5880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 22.290758][ T337] #5: ffffffff99f9a340 (console_mutex){+.+.}-{4:4}, at: register_console+0xe6/0xb60 [ 22.290764][ T337] #6: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.290769][ T337] #7: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.290773][ T337] #8: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.290777][ T337] #9: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 22.290782][ T337] irq event stamp: 295902 [ 22.290784][ T337] hardirqs last enabled at (295901): [] __down_trylock_console_sem+0x86/0xa0 [ 22.290787][ T337] hardirqs last disabled at (295902): [] console_emit_next_record+0x3f8/0x4f0 [ 22.290789][ T337] softirqs last enabled at (295814): [] handle_softirqs+0x67c/0x900 [ 22.290792][ T337] softirqs last disabled at (295699): [] __irq_exit_rcu+0x145/0x1c0 [ 22.290795][ T337] Preemption disabled at: [ 22.290796][ T337] [] vprintk_emit+0x31b/0x3e0 [ 22.290802][ T337] CPU: 5 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.290806][ T337] Tainted: [W]=WARN [ 22.290807][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 22.290809][ T337] Call Trace: [ 22.290811][ T337] [ 22.290813][ T337] dump_stack_lvl+0x6f/0xa0 [ 22.290819][ T337] ? vprintk_emit+0x31b/0x3e0 [ 22.290822][ T337] __might_resched.cold+0x1fe/0x2c1 [ 22.290827][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.290831][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 22.290836][ T337] __kmalloc_noprof+0x443/0x760 [ 22.290839][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 22.290846][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 22.290850][ T337] alloc_buf.isra.0+0x4b/0x260 [ 22.290854][ T337] put_chars+0x1e1/0x2f0 [ 22.290857][ T337] ? __send_to_port+0x420/0x420 [ 22.290859][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 22.290864][ T337] ? validate_chain+0x34a/0xc20 [ 22.290870][ T337] hvc_console_print+0x292/0x780 [ 22.290874][ T337] ? __lock_acquire+0x518/0xc20 [ 22.290876][ T337] ? __lock_acquire+0x518/0xc20 [ 22.290881][ T337] ? hvc_write+0x3a0/0x3a0 [ 22.290886][ T337] ? rcu_is_watching+0x16/0xd0 [ 22.290889][ T337] ? lock_acquire+0x13c/0x160 [ 22.290894][ T337] console_emit_next_record+0x252/0x4f0 [ 22.290898][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 22.290903][ T337] ? rcu_is_watching+0x16/0xd0 [ 22.290906][ T337] ? lock_acquire+0x13c/0x160 [ 22.290910][ T337] console_flush_one_record+0x46f/0x710 [ 22.290915][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 22.290917][ T337] ? __lock_acquire+0x518/0xc20 [ 22.290922][ T337] console_unlock+0xee/0x1f0 [ 22.290926][ T337] ? console_flush_one_record+0x710/0x710 [ 22.290928][ T337] ? rcu_is_watching+0x16/0xd0 [ 22.290930][ T337] ? lock_acquire+0xa0/0x160 [ 22.290934][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.290936][ T337] ? vprintk_emit+0x320/0x3e0 [ 22.290939][ T337] vprintk_emit+0x37c/0x3e0 [ 22.290944][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 22.290946][ T337] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 22.290948][ T337] ? irqentry_exit+0x21c/0x790 [ 22.290952][ T337] ? irqentry_exit+0x21c/0x790 [ 22.290955][ T337] ? lockdep_hardirqs_off+0x97/0xf0 [ 22.290957][ T337] ? irqentry_enter+0x2a/0xd0 [ 22.290961][ T337] _printk+0xc7/0x100 [ 22.290965][ T337] ? snapshot_read.cold+0x21/0x21 [ 22.290969][ T337] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 22.290973][ T337] ? _raw_spin_unlock_irqrestore+0x36/0x80 [ 22.290978][ T337] register_console+0x8a0/0xb60 [ 22.290982][ T337] ? get_init_console_seq.constprop.0.isra.0+0x290/0x290 [ 22.290985][ T337] ? rcu_is_watching+0x16/0xd0 [ 22.290991][ T337] enabled_store+0x623/0x750 [netconsole] [ 22.290993][ T337] ? __kasan_kmalloc+0x7b/0x90 [ 22.290997][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 22.291000][ T337] ? down_write_killable_nested+0x270/0x270 [ 22.291002][ T337] ? __kmalloc_cache_noprof+0x281/0x620 [ 22.291005][ T337] ? configfs_write_iter+0x336/0x4b0 [ 22.291009][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 22.291011][ T337] configfs_write_iter+0x2c0/0x4b0 [ 22.291014][ T337] ? configfs_bin_write_iter+0x530/0x530 [ 22.291017][ T337] new_sync_write+0x33e/0x760 [ 22.291021][ T337] ? __lock_acquire+0x518/0xc20 [ 22.291024][ T337] ? new_sync_read+0x750/0x750 [ 22.291028][ T337] ? lock_acquire.part.0+0xd4/0x280 [ 22.291030][ T337] ? ksys_write+0x116/0x250 [ 22.291037][ T337] vfs_write+0x6a2/0xbd0 [ 22.291041][ T337] ksys_write+0x116/0x250 [ 22.291044][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 22.291047][ T337] ? rcu_is_watching+0x16/0xd0 [ 22.291051][ T337] do_syscall_64+0xff/0x530 [ 22.291054][ T337] ? exc_page_fault+0xee/0x100 [ 22.291057][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.291060][ T337] RIP: 0033:0x7f5532734312 [ 22.291064][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 22.291066][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 22.291069][ T337] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5532734312 [ 22.291071][ T337] RDX: 0000000000000001 RSI: 0000556863ce12b0 RDI: 0000000000000010 [ 22.291072][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 22.291073][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 22.291074][ T337] R13: 0000556863ce12b0 R14: 0000000000000010 R15: 00007f553252d0d0 [ 22.291082][ T337] [ 22.327452][ T337] netconsole: netconsole: local port 1514 [ 22.327975][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 22.328315][ T337] netconsole: netconsole: interface name 'enp1s0' [ 22.328603][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 22.328959][ T337] netconsole: netconsole: remote port 6666 [ 22.329358][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 22.329786][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 22.397567][ T337] netconsole: network logging started [ 22.400291][ T337] netcons test #0-0 [ 22.400291][ T337] netcons test #0-1 [ 22.400291][ T337] netcons test #0-2 [ 22.400291][ T337] netcons test #0-3 [ 22.400291][ T337] netcons test #0-4 [ 22.400291][ T337] netcons test #0-5 [ 22.400291][ T337] netcons test #0-6 [ 22.400291][ T337] netcons test #0-7 [ 22.400291][ T337] netcons test #0-8 [ 22.400291][ T337] netcons test #0-9 [ 22.400291][ T337] netcons test #0-10 [ 22.400291][ T337] netcons test #0-11 [ 22.400291][ T337] netcons test #0-12 [ 22.400291][ T337] netcons test #0-13 [ 22.400291][ T337] netcons test #0-14 [ 22.400291][ T337] netcons test #0-15 [ 22.400291][ T337] netcons test #0-16 [ 22.400291][ T337] netcons test #0-17 [ 22.400291][ T337] netcons test #0-18 [ 22.400291][ T337] netcons test #0-19 [ 22.400291][ T337] netcons test #0-20 [ 22.400291][ T337] netcons test #0-21 [ 22.400291][ T337] netcons test #0-22 [ 22.400291][ T337] netcons test #0-23 [ 22.400291][ T337] netcons test #0-24 [ 22.400291][ T337] netcons test #0-25 [ 22.400291][ T337] netcons test #0-26 [ 22.400291][ T337] netcons test #0-27 [ 22.400291][ T337] netcons test #0-28 [ 22.400291][ T337] netcons test #0-29 [ 22.400291][ T337] netcons test #0-30 [ 22.400291][ T337] netcons test #0-31 [ 22.400291][ T337] netcons test #0-32 [ 22.400291][ T337] netcons test #0-33 [ 22.400291][ T337] netcons test #0-34 [ 22.400291][ T337] netcons test #0-35 [ 22.400291][ T337] netcons test #0-36 [ 22.400291][ T337] netcons test #0-37 [ 22.400291][ T337] netcons test #0-38 [ 22.400291][ T337] netcons test #0-39 [ 22.427594][ T337] netconsole: netconsole: local port 1514 [ 22.427859][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 22.429305][ T337] netconsole: netconsole: interface name 'enp1s0' [ 22.432678][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 22.433095][ T337] netconsole: netconsole: remote port 6666 [ 22.433427][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 22.436408][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 22.474165][ T337] netconsole: network logging started [ 22.880701][ T337] netcons test #1-0 [ 22.880701][ T337] netcons test #1-1 [ 22.880701][ T337] netcons test #1-2 [ 22.880701][ T337] netcons test #1-3 [ 22.880701][ T337] netcons test #1-4 [ 22.880701][ T337] netcons test #1-5 [ 22.880701][ T337] netcons test #1-6 [ 22.880701][ T337] netcons test #1-7 [ 22.880701][ T337] netcons test #1-8 [ 22.880701][ T337] netcons test #1-9 [ 22.880701][ T337] netcons test #1-10 [ 22.880701][ T337] netcons test #1-11 [ 22.880701][ T337] netcons test #1-12 [ 22.880701][ T337] netcons test #1-13 [ 22.880701][ T337] netcons test #1-14 [ 22.880701][ T337] netcons test #1-15 [ 22.880701][ T337] netcons test #1-16 [ 22.880701][ T337] netcons test #1-17 [ 22.880701][ T337] netcons test #1-18 [ 22.880701][ T337] netcons test #1-19 [ 22.880701][ T337] netcons test #1-20 [ 22.880701][ T337] netcons test #1-21 [ 22.880701][ T337] netcons test #1-22 [ 22.880701][ T337] netcons test #1-23 [ 22.880701][ T337] netcons test #1-24 [ 22.880701][ T337] netcons test #1-25 [ 22.880701][ T337] netcons test #1-26 [ 22.880701][ T337] netcons test #1-27 [ 22.880701][ T337] netcons test #1-28 [ 22.880701][ T337] netcons test #1-29 [ 22.880701][ T337] netcons test #1-30 [ 22.880701][ T337] netcons test #1-31 [ 22.880701][ T337] netcons test #1-32 [ 22.880701][ T337] netcons test #1-33 [ 22.880701][ T337] netcons test #1-34 [ 22.880701][ T337] netcons test #1-35 [ 22.880701][ T337] netcons test #1-36 [ 22.880701][ T337] netcons test #1-37 [ 22.880701][ T337] netcons test #1-38 [ 22.880701][ T337] netcons test #1-39 [ 22.897609][ T337] netconsole: netconsole: local port 1514 [ 22.897953][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 22.898450][ T337] netconsole: netconsole: interface name 'enp1s0' [ 22.900582][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 22.901083][ T337] netconsole: netconsole: remote port 6666 [ 22.901414][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 22.901830][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 22.921769][ T394] NOTICE: Automounting of tracing to debugfs is deprecated and will be removed in 2030 [ 22.964409][ T337] netconsole: network logging started [ 23.381036][ T337] netcons test #2-0 [ 23.381036][ T337] netcons test #2-1 [ 23.381036][ T337] netcons test #2-2 [ 23.381036][ T337] netcons test #2-3 [ 23.381036][ T337] netcons test #2-4 [ 23.381036][ T337] netcons test #2-5 [ 23.381036][ T337] netcons test #2-6 [ 23.381036][ T337] netcons test #2-7 [ 23.381036][ T337] netcons test #2-8 [ 23.381036][ T337] netcons test #2-9 [ 23.381036][ T337] netcons test #2-10 [ 23.381036][ T337] netcons test #2-11 [ 23.381036][ T337] netcons test #2-12 [ 23.381036][ T337] netcons test #2-13 [ 23.381036][ T337] netcons test #2-14 [ 23.381036][ T337] netcons test #2-15 [ 23.381036][ T337] netcons test #2-16 [ 23.381036][ T337] netcons test #2-17 [ 23.381036][ T337] netcons test #2-18 [ 23.381036][ T337] netcons test #2-19 [ 23.381036][ T337] netcons test #2-20 [ 23.381036][ T337] netcons test #2-21 [ 23.381036][ T337] netcons test #2-22 [ 23.381036][ T337] netcons test #2-23 [ 23.381036][ T337] netcons test #2-24 [ 23.381036][ T337] netcons test #2-25 [ 23.381036][ T337] netcons test #2-26 [ 23.381036][ T337] netcons test #2-27 [ 23.381036][ T337] netcons test #2-28 [ 23.381036][ T337] netcons test #2-29 [ 23.381036][ T337] netcons test #2-30 [ 23.381036][ T337] netcons test #2-31 [ 23.381036][ T337] netcons test #2-32 [ 23.381036][ T337] netcons test #2-33 [ 23.381036][ T337] netcons test #2-34 [ 23.381036][ T337] netcons test #2-35 [ 23.381036][ T337] netcons test #2-36 [ 23.381036][ T337] netcons test #2-37 [ 23.381036][ T337] netcons test #2-38 [ 23.381036][ T337] netcons test #2-39 [ 23.381073][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.381077][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 23.381080][ T337] preempt_count: 1, expected: 0 [ 23.381081][ T337] RCU nest depth: 0, expected: 0 [ 23.381083][ T337] locks held by python3/337: 4, last CPU#5: [ 23.381087][ T337] #0: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.381103][ T337] #1: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.381110][ T337] #2: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.381117][ T337] #3: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 23.381124][ T337] irq event stamp: 324748 [ 23.381126][ T337] hardirqs last enabled at (324747): [] __down_trylock_console_sem+0x86/0xa0 [ 23.381130][ T337] hardirqs last disabled at (324748): [] console_emit_next_record+0x3f8/0x4f0 [ 23.381133][ T337] softirqs last enabled at (320490): [] handle_softirqs+0x67c/0x900 [ 23.381138][ T337] softirqs last disabled at (320485): [] __irq_exit_rcu+0x145/0x1c0 [ 23.381144][ T337] Preemption disabled at: [ 23.381145][ T337] [] vprintk_emit+0x31b/0x3e0 [ 23.381152][ T337] CPU: 5 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.381157][ T337] Tainted: [W]=WARN [ 23.381158][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 23.381161][ T337] Call Trace: [ 23.381163][ T337] [ 23.381165][ T337] dump_stack_lvl+0x6f/0xa0 [ 23.381172][ T337] ? vprintk_emit+0x31b/0x3e0 [ 23.381176][ T337] __might_resched.cold+0x1fe/0x2c1 [ 23.381182][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.381188][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 23.381195][ T337] __kmalloc_noprof+0x443/0x760 [ 23.381199][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 23.381208][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 23.381212][ T337] alloc_buf.isra.0+0x4b/0x260 [ 23.381217][ T337] put_chars+0x1e1/0x2f0 [ 23.381222][ T337] ? __send_to_port+0x420/0x420 [ 23.381225][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 23.381231][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.381235][ T337] ? validate_chain+0x38b/0xc20 [ 23.381242][ T337] hvc_console_print+0x292/0x780 [ 23.381247][ T337] ? __lock_acquire+0x518/0xc20 [ 23.381250][ T337] ? __lock_acquire+0x518/0xc20 [ 23.381257][ T337] ? hvc_write+0x3a0/0x3a0 [ 23.381263][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.381267][ T337] ? lock_acquire+0x13c/0x160 [ 23.381273][ T337] console_emit_next_record+0x252/0x4f0 [ 23.381279][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 23.381286][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.381291][ T337] ? lock_acquire+0x13c/0x160 [ 23.381297][ T337] console_flush_one_record+0x46f/0x710 [ 23.381304][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 23.381307][ T337] ? __lock_acquire+0x518/0xc20 [ 23.381315][ T337] console_unlock+0xee/0x1f0 [ 23.381320][ T337] ? console_flush_one_record+0x710/0x710 [ 23.381322][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.381326][ T337] ? lock_acquire+0xa0/0x160 [ 23.381332][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.381334][ T337] ? vprintk_emit+0x320/0x3e0 [ 23.381340][ T337] vprintk_emit+0x37c/0x3e0 [ 23.381346][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 23.381351][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 23.381359][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 23.381365][ T337] ? vprintk_emit.cold+0x107/0x107 [ 23.381371][ T337] ? __kmalloc_noprof+0x302/0x760 [ 23.381374][ T337] ? idr_get_free+0x830/0x830 [ 23.381378][ T337] ? devkmsg_write+0xd1/0x2c0 [ 23.381383][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 23.381387][ T337] devkmsg_write.cold+0x5a/0x8b [ 23.381392][ T337] ? vprintk_default+0x20/0x20 [ 23.381395][ T337] ? finish_task_switch.isra.0+0x28a/0xa70 [ 23.381398][ T337] ? __switch_to+0x5a3/0xe00 [ 23.381402][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.381406][ T337] ? trace_sched_exit_tp+0x9b/0x160 [ 23.381410][ T337] ? vprintk_default+0x20/0x20 [ 23.381414][ T337] new_sync_write+0x33e/0x760 [ 23.381422][ T337] ? new_sync_read+0x750/0x750 [ 23.381430][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 23.381432][ T337] ? preempt_schedule_irq+0x44/0xa0 [ 23.381441][ T337] ? __fget_files+0x1e3/0x460 [ 23.381446][ T337] vfs_write+0x6a2/0xbd0 [ 23.381453][ T337] ksys_write+0x116/0x250 [ 23.381458][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 23.381462][ T337] ? fpregs_restore_userregs+0x14b/0x300 [ 23.381466][ T337] ? rcu_is_watching+0x16/0xd0 [ 23.381472][ T337] do_syscall_64+0xff/0x530 [ 23.381475][ T337] ? irq_exit_rcu+0x1a/0x30 [ 23.381479][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.381483][ T337] RIP: 0033:0x7f5532734312 [ 23.381492][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 23.381495][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 23.381499][ T337] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f5532734312 [ 23.381501][ T337] RDX: 00000000000002ee RSI: 0000556863ce12b0 RDI: 000000000000000b [ 23.381503][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 23.381504][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 23.381506][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 23.381518][ T337] [ 23.423358][ T337] netconsole: netconsole: local port 1514 [ 23.423634][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 23.423996][ T337] netconsole: netconsole: interface name 'enp1s0' [ 23.424332][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 23.424669][ T337] netconsole: netconsole: remote port 6666 [ 23.424953][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 23.425275][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 23.458167][ T337] netconsole: network logging started [ 23.863167][ T337] netcons test #3-0 [ 23.863167][ T337] netcons test #3-1 [ 23.863167][ T337] netcons test #3-2 [ 23.863167][ T337] netcons test #3-3 [ 23.863167][ T337] netcons test #3-4 [ 23.863167][ T337] netcons test #3-5 [ 23.863167][ T337] netcons test #3-6 [ 23.863167][ T337] netcons test #3-7 [ 23.863167][ T337] netcons test #3-8 [ 23.863167][ T337] netcons test #3-9 [ 23.863167][ T337] netcons test #3-10 [ 23.863167][ T337] netcons test #3-11 [ 23.863167][ T337] netcons test #3-12 [ 23.863167][ T337] netcons test #3-13 [ 23.863167][ T337] netcons test #3-14 [ 23.863167][ T337] netcons test #3-15 [ 23.863167][ T337] netcons test #3-16 [ 23.863167][ T337] netcons test #3-17 [ 23.863167][ T337] netcons test #3-18 [ 23.863167][ T337] netcons test #3-19 [ 23.863167][ T337] netcons test #3-20 [ 23.863167][ T337] netcons test #3-21 [ 23.863167][ T337] netcons test #3-22 [ 23.863167][ T337] netcons test #3-23 [ 23.863167][ T337] netcons test #3-24 [ 23.863167][ T337] netcons test #3-25 [ 23.863167][ T337] netcons test #3-26 [ 23.863167][ T337] netcons test #3-27 [ 23.863167][ T337] netcons test #3-28 [ 23.863167][ T337] netcons test #3-29 [ 23.863167][ T337] netcons test #3-30 [ 23.863167][ T337] netcons test #3-31 [ 23.863167][ T337] netcons test #3-32 [ 23.863167][ T337] netcons test #3-33 [ 23.863167][ T337] netcons test #3-34 [ 23.863167][ T337] netcons test #3-35 [ 23.863167][ T337] netcons test #3-36 [ 23.863167][ T337] netcons test #3-37 [ 23.863167][ T337] netcons test #3-38 [ 23.863167][ T337] netcons test #3-39 [ 23.873685][ T337] netconsole: netconsole: local port 1514 [ 23.873992][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 23.874366][ T337] netconsole: netconsole: interface name 'enp1s0' [ 23.874687][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 23.875066][ T337] netconsole: netconsole: remote port 6666 [ 23.875378][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 23.875755][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 23.899592][ T337] netconsole: network logging started [ 24.305614][ T337] netcons test #4-0 [ 24.305614][ T337] netcons test #4-1 [ 24.305614][ T337] netcons test #4-2 [ 24.305614][ T337] netcons test #4-3 [ 24.305614][ T337] netcons test #4-4 [ 24.305614][ T337] netcons test #4-5 [ 24.305614][ T337] netcons test #4-6 [ 24.305614][ T337] netcons test #4-7 [ 24.305614][ T337] netcons test #4-8 [ 24.305614][ T337] netcons test #4-9 [ 24.305614][ T337] netcons test #4-10 [ 24.305614][ T337] netcons test #4-11 [ 24.305614][ T337] netcons test #4-12 [ 24.305614][ T337] netcons test #4-13 [ 24.305614][ T337] netcons test #4-14 [ 24.305614][ T337] netcons test #4-15 [ 24.305614][ T337] netcons test #4-16 [ 24.305614][ T337] netcons test #4-17 [ 24.305614][ T337] netcons test #4-18 [ 24.305614][ T337] netcons test #4-19 [ 24.305614][ T337] netcons test #4-20 [ 24.305614][ T337] netcons test #4-21 [ 24.305614][ T337] netcons test #4-22 [ 24.305614][ T337] netcons test #4-23 [ 24.305614][ T337] netcons test #4-24 [ 24.305614][ T337] netcons test #4-25 [ 24.305614][ T337] netcons test #4-26 [ 24.305614][ T337] netcons test #4-27 [ 24.305614][ T337] netcons test #4-28 [ 24.305614][ T337] netcons test #4-29 [ 24.305614][ T337] netcons test #4-30 [ 24.305614][ T337] netcons test #4-31 [ 24.305614][ T337] netcons test #4-32 [ 24.305614][ T337] netcons test #4-33 [ 24.305614][ T337] netcons test #4-34 [ 24.305614][ T337] netcons test #4-35 [ 24.305614][ T337] netcons test #4-36 [ 24.305614][ T337] netcons test #4-37 [ 24.305614][ T337] netcons test #4-38 [ 24.305614][ T337] netcons test #4-39 [ 24.322515][ T337] netconsole: netconsole: local port 1514 [ 24.322770][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 24.323159][ T337] netconsole: netconsole: interface name 'enp1s0' [ 24.323443][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 24.323811][ T337] netconsole: netconsole: remote port 6666 [ 24.324112][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 24.324461][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 24.390079][ T337] netconsole: network logging started [ 24.390107][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.390110][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 24.390112][ T337] preempt_count: 1, expected: 0 [ 24.390114][ T337] RCU nest depth: 0, expected: 0 [ 24.390115][ T337] locks held by python3/337: 9, last CPU#5: [ 24.390117][ T337] #0: ff11000006ada9b0 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x22c/0x310 [ 24.390131][ T337] #1: ff1100000a631430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 24.390138][ T337] #2: ff1100000991d380 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 24.390144][ T337] #3: ff1100000e452830 (&p->frag_sem){++++}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 24.390148][ T337] #4: ffffffffc02f5880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 24.390156][ T337] #5: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.390163][ T337] #6: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.390167][ T337] #7: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.390172][ T337] #8: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 24.390177][ T337] irq event stamp: 350006 [ 24.390178][ T337] hardirqs last enabled at (350005): [] __down_trylock_console_sem+0x86/0xa0 [ 24.390181][ T337] hardirqs last disabled at (350006): [] console_emit_next_record+0x3f8/0x4f0 [ 24.390183][ T337] softirqs last enabled at (349958): [] __alloc_skb+0x4c5/0x5f0 [ 24.390188][ T337] softirqs last disabled at (349956): [] __alloc_skb+0x4c5/0x5f0 [ 24.390192][ T337] Preemption disabled at: [ 24.390193][ T337] [] vprintk_emit+0x31b/0x3e0 [ 24.390200][ T337] CPU: 5 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.390204][ T337] Tainted: [W]=WARN [ 24.390205][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 24.390207][ T337] Call Trace: [ 24.390209][ T337] [ 24.390211][ T337] dump_stack_lvl+0x6f/0xa0 [ 24.390217][ T337] ? vprintk_emit+0x31b/0x3e0 [ 24.390219][ T337] __might_resched.cold+0x1fe/0x2c1 [ 24.390225][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.390229][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 24.390234][ T337] __kmalloc_noprof+0x443/0x760 [ 24.390237][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 24.390244][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 24.390247][ T337] alloc_buf.isra.0+0x4b/0x260 [ 24.390251][ T337] put_chars+0x1e1/0x2f0 [ 24.390255][ T337] ? __send_to_port+0x420/0x420 [ 24.390257][ T337] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.390262][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.390265][ T337] ? validate_chain+0x38b/0xc20 [ 24.390270][ T337] hvc_console_print+0x292/0x780 [ 24.390274][ T337] ? __lock_acquire+0x518/0xc20 [ 24.390280][ T337] ? hvc_write+0x3a0/0x3a0 [ 24.390284][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.390290][ T337] console_emit_next_record+0x252/0x4f0 [ 24.390294][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 24.390300][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.390302][ T337] ? lock_acquire+0x13c/0x160 [ 24.390307][ T337] console_flush_one_record+0x46f/0x710 [ 24.390312][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 24.390314][ T337] ? __lock_acquire+0x518/0xc20 [ 24.390321][ T337] console_unlock+0xee/0x1f0 [ 24.390324][ T337] ? console_flush_one_record+0x710/0x710 [ 24.390326][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.390329][ T337] ? lock_acquire+0xa0/0x160 [ 24.390333][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.390335][ T337] ? vprintk_emit+0x320/0x3e0 [ 24.390339][ T337] vprintk_emit+0x37c/0x3e0 [ 24.390344][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 24.390347][ T337] ? rcu_gp_is_expedited+0x54/0x70 [ 24.390349][ T337] ? synchronize_rcu+0x22e/0x350 [ 24.390354][ T337] _printk+0xc7/0x100 [ 24.390358][ T337] ? snapshot_read.cold+0x21/0x21 [ 24.390360][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 24.390365][ T337] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 24.390367][ T337] ? lockdep_hardirqs_on+0x91/0x130 [ 24.390371][ T337] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 24.390375][ T337] ? __free_object+0x2ad/0x490 [ 24.390380][ T337] enabled_store.cold+0x178/0x1ae [netconsole] [ 24.390383][ T337] ? __kasan_kmalloc+0x7b/0x90 [ 24.390388][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 24.390390][ T337] ? down_write_killable_nested+0x270/0x270 [ 24.390393][ T337] ? __kmalloc_cache_noprof+0x281/0x620 [ 24.390395][ T337] ? configfs_write_iter+0x336/0x4b0 [ 24.390399][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 24.390401][ T337] configfs_write_iter+0x2c0/0x4b0 [ 24.390404][ T337] ? configfs_bin_write_iter+0x530/0x530 [ 24.390407][ T337] new_sync_write+0x33e/0x760 [ 24.390411][ T337] ? __lock_acquire+0x518/0xc20 [ 24.390415][ T337] ? new_sync_read+0x750/0x750 [ 24.390419][ T337] ? lock_acquire.part.0+0xd4/0x280 [ 24.390421][ T337] ? ksys_write+0x116/0x250 [ 24.390428][ T337] vfs_write+0x6a2/0xbd0 [ 24.390432][ T337] ksys_write+0x116/0x250 [ 24.390435][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 24.390438][ T337] ? rcu_is_watching+0x16/0xd0 [ 24.390442][ T337] do_syscall_64+0xff/0x530 [ 24.390445][ T337] ? irq_exit_rcu+0x1a/0x30 [ 24.390449][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.390452][ T337] RIP: 0033:0x7f5532734312 [ 24.390456][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 24.390458][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 24.390461][ T337] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5532734312 [ 24.390463][ T337] RDX: 0000000000000001 RSI: 0000556863ce12b0 RDI: 000000000000000b [ 24.390464][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 24.390465][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 24.390466][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 24.390474][ T337] [ 24.833238][ T337] netcons test #5-0 [ 24.833238][ T337] netcons test #5-1 [ 24.833238][ T337] netcons test #5-2 [ 24.833238][ T337] netcons test #5-3 [ 24.833238][ T337] netcons test #5-4 [ 24.833238][ T337] netcons test #5-5 [ 24.833238][ T337] netcons test #5-6 [ 24.833238][ T337] netcons test #5-7 [ 24.833238][ T337] netcons test #5-8 [ 24.833238][ T337] netcons test #5-9 [ 24.833238][ T337] netcons test #5-10 [ 24.833238][ T337] netcons test #5-11 [ 24.833238][ T337] netcons test #5-12 [ 24.833238][ T337] netcons test #5-13 [ 24.833238][ T337] netcons test #5-14 [ 24.833238][ T337] netcons test #5-15 [ 24.833238][ T337] netcons test #5-16 [ 24.833238][ T337] netcons test #5-17 [ 24.833238][ T337] netcons test #5-18 [ 24.833238][ T337] netcons test #5-19 [ 24.833238][ T337] netcons test #5-20 [ 24.833238][ T337] netcons test #5-21 [ 24.833238][ T337] netcons test #5-22 [ 24.833238][ T337] netcons test #5-23 [ 24.833238][ T337] netcons test #5-24 [ 24.833238][ T337] netcons test #5-25 [ 24.833238][ T337] netcons test #5-26 [ 24.833238][ T337] netcons test #5-27 [ 24.833238][ T337] netcons test #5-28 [ 24.833238][ T337] netcons test #5-29 [ 24.833238][ T337] netcons test #5-30 [ 24.833238][ T337] netcons test #5-31 [ 24.833238][ T337] netcons test #5-32 [ 24.833238][ T337] netcons test #5-33 [ 24.833238][ T337] netcons test #5-34 [ 24.833238][ T337] netcons test #5-35 [ 24.833238][ T337] netcons test #5-36 [ 24.833238][ T337] netcons test #5-37 [ 24.833238][ T337] netcons test #5-38 [ 24.833238][ T337] netcons test #5-39 [ 24.851124][ T337] netconsole: netconsole: local port 1514 [ 24.851387][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 24.851730][ T337] netconsole: netconsole: interface name 'enp1s0' [ 24.855078][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 24.855455][ T337] netconsole: netconsole: remote port 6666 [ 24.855752][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 24.856137][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 24.898479][ T337] netconsole: network logging started [ 25.307136][ T337] netcons test #6-0 [ 25.307136][ T337] netcons test #6-1 [ 25.307136][ T337] netcons test #6-2 [ 25.307136][ T337] netcons test #6-3 [ 25.307136][ T337] netcons test #6-4 [ 25.307136][ T337] netcons test #6-5 [ 25.307136][ T337] netcons test #6-6 [ 25.307136][ T337] netcons test #6-7 [ 25.307136][ T337] netcons test #6-8 [ 25.307136][ T337] netcons test #6-9 [ 25.307136][ T337] netcons test #6-10 [ 25.307136][ T337] netcons test #6-11 [ 25.307136][ T337] netcons test #6-12 [ 25.307136][ T337] netcons test #6-13 [ 25.307136][ T337] netcons test #6-14 [ 25.307136][ T337] netcons test #6-15 [ 25.307136][ T337] netcons test #6-16 [ 25.307136][ T337] netcons test #6-17 [ 25.307136][ T337] netcons test #6-18 [ 25.307136][ T337] netcons test #6-19 [ 25.307136][ T337] netcons test #6-20 [ 25.307136][ T337] netcons test #6-21 [ 25.307136][ T337] netcons test #6-22 [ 25.307136][ T337] netcons test #6-23 [ 25.307136][ T337] netcons test #6-24 [ 25.307136][ T337] netcons test #6-25 [ 25.307136][ T337] netcons test #6-26 [ 25.307136][ T337] netcons test #6-27 [ 25.307136][ T337] netcons test #6-28 [ 25.307136][ T337] netcons test #6-29 [ 25.307136][ T337] netcons test #6-30 [ 25.307136][ T337] netcons test #6-31 [ 25.307136][ T337] netcons test #6-32 [ 25.307136][ T337] netcons test #6-33 [ 25.307136][ T337] netcons test #6-34 [ 25.307136][ T337] netcons test #6-35 [ 25.307136][ T337] netcons test #6-36 [ 25.307136][ T337] netcons test #6-37 [ 25.307136][ T337] netcons test #6-38 [ 25.307136][ T337] netcons test #6-39 [ 25.315698][ T337] netconsole: netconsole: local port 1514 [ 25.315997][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 25.316384][ T337] netconsole: netconsole: interface name 'enp1s0' [ 25.316681][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 25.317036][ T337] netconsole: netconsole: remote port 6666 [ 25.317345][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 25.320669][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 25.378054][ T337] netconsole: network logging started [ 25.780230][ T337] netcons test #7-0 [ 25.780230][ T337] netcons test #7-1 [ 25.780230][ T337] netcons test #7-2 [ 25.780230][ T337] netcons test #7-3 [ 25.780230][ T337] netcons test #7-4 [ 25.780230][ T337] netcons test #7-5 [ 25.780230][ T337] netcons test #7-6 [ 25.780230][ T337] netcons test #7-7 [ 25.780230][ T337] netcons test #7-8 [ 25.780230][ T337] netcons test #7-9 [ 25.780230][ T337] netcons test #7-10 [ 25.780230][ T337] netcons test #7-11 [ 25.780230][ T337] netcons test #7-12 [ 25.780230][ T337] netcons test #7-13 [ 25.780230][ T337] netcons test #7-14 [ 25.780230][ T337] netcons test #7-15 [ 25.780230][ T337] netcons test #7-16 [ 25.780230][ T337] netcons test #7-17 [ 25.780230][ T337] netcons test #7-18 [ 25.780230][ T337] netcons test #7-19 [ 25.780230][ T337] netcons test #7-20 [ 25.780230][ T337] netcons test #7-21 [ 25.780230][ T337] netcons test #7-22 [ 25.780230][ T337] netcons test #7-23 [ 25.780230][ T337] netcons test #7-24 [ 25.780230][ T337] netcons test #7-25 [ 25.780230][ T337] netcons test #7-26 [ 25.780230][ T337] netcons test #7-27 [ 25.780230][ T337] netcons test #7-28 [ 25.780230][ T337] netcons test #7-29 [ 25.780230][ T337] netcons test #7-30 [ 25.780230][ T337] netcons test #7-31 [ 25.780230][ T337] netcons test #7-32 [ 25.780230][ T337] netcons test #7-33 [ 25.780230][ T337] netcons test #7-34 [ 25.780230][ T337] netcons test #7-35 [ 25.780230][ T337] netcons test #7-36 [ 25.780230][ T337] netcons test #7-37 [ 25.780230][ T337] netcons test #7-38 [ 25.780230][ T337] netcons test #7-39 [ 25.780270][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.780274][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 25.780276][ T337] preempt_count: 1, expected: 0 [ 25.780277][ T337] RCU nest depth: 0, expected: 0 [ 25.780278][ T337] locks held by python3/337: 4, last CPU#0: [ 25.780281][ T337] #0: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.780294][ T337] #1: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.780300][ T337] #2: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.780304][ T337] #3: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 25.780309][ T337] irq event stamp: 373226 [ 25.780311][ T337] hardirqs last enabled at (373225): [] __down_trylock_console_sem+0x86/0xa0 [ 25.780314][ T337] hardirqs last disabled at (373226): [] console_emit_next_record+0x3f8/0x4f0 [ 25.780316][ T337] softirqs last enabled at (372130): [] handle_softirqs+0x67c/0x900 [ 25.780320][ T337] softirqs last disabled at (372123): [] __irq_exit_rcu+0x145/0x1c0 [ 25.780322][ T337] Preemption disabled at: [ 25.780323][ T337] [] vprintk_emit+0x31b/0x3e0 [ 25.780330][ T337] CPU: 0 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.780334][ T337] Tainted: [W]=WARN [ 25.780335][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.780337][ T337] Call Trace: [ 25.780339][ T337] [ 25.780341][ T337] dump_stack_lvl+0x6f/0xa0 [ 25.780347][ T337] ? vprintk_emit+0x31b/0x3e0 [ 25.780350][ T337] __might_resched.cold+0x1fe/0x2c1 [ 25.780355][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.780359][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 25.780364][ T337] __kmalloc_noprof+0x443/0x760 [ 25.780367][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 25.780373][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 25.780376][ T337] alloc_buf.isra.0+0x4b/0x260 [ 25.780380][ T337] put_chars+0x1e1/0x2f0 [ 25.780384][ T337] ? __send_to_port+0x420/0x420 [ 25.780386][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 25.780389][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.780393][ T337] ? validate_chain+0x38b/0xc20 [ 25.780397][ T337] hvc_console_print+0x292/0x780 [ 25.780401][ T337] ? __lock_acquire+0x518/0xc20 [ 25.780403][ T337] ? __lock_acquire+0x518/0xc20 [ 25.780407][ T337] ? hvc_write+0x3a0/0x3a0 [ 25.780411][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.780414][ T337] ? lock_acquire+0x13c/0x160 [ 25.780418][ T337] console_emit_next_record+0x252/0x4f0 [ 25.780422][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 25.780426][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.780428][ T337] ? lock_acquire+0x13c/0x160 [ 25.780432][ T337] console_flush_one_record+0x46f/0x710 [ 25.780436][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 25.780438][ T337] ? __lock_acquire+0x518/0xc20 [ 25.780443][ T337] console_unlock+0xee/0x1f0 [ 25.780446][ T337] ? console_flush_one_record+0x710/0x710 [ 25.780448][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.780451][ T337] ? lock_acquire+0xa0/0x160 [ 25.780454][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.780456][ T337] ? vprintk_emit+0x320/0x3e0 [ 25.780460][ T337] vprintk_emit+0x37c/0x3e0 [ 25.780463][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 25.780466][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 25.780472][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 25.780476][ T337] ? vprintk_emit.cold+0x107/0x107 [ 25.780480][ T337] ? __kmalloc_noprof+0x302/0x760 [ 25.780482][ T337] ? idr_get_free+0x830/0x830 [ 25.780485][ T337] ? devkmsg_write+0xd1/0x2c0 [ 25.780488][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 25.780491][ T337] devkmsg_write.cold+0x5a/0x8b [ 25.780494][ T337] ? vprintk_default+0x20/0x20 [ 25.780498][ T337] ? vprintk_default+0x20/0x20 [ 25.780501][ T337] new_sync_write+0x33e/0x760 [ 25.780507][ T337] ? new_sync_read+0x750/0x750 [ 25.780518][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 25.780522][ T337] ? __fget_files+0x1e3/0x460 [ 25.780526][ T337] vfs_write+0x6a2/0xbd0 [ 25.780530][ T337] ksys_write+0x116/0x250 [ 25.780533][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 25.780536][ T337] ? rcu_is_watching+0x16/0xd0 [ 25.780539][ T337] do_syscall_64+0xff/0x530 [ 25.780542][ T337] ? irq_exit_rcu+0x1a/0x30 [ 25.780544][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.780547][ T337] RIP: 0033:0x7f5532734312 [ 25.780551][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 25.780553][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.780557][ T337] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f5532734312 [ 25.780558][ T337] RDX: 00000000000002ee RSI: 0000556863ce12b0 RDI: 000000000000000b [ 25.780560][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 25.780561][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 25.780562][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 25.780568][ T337] [ 25.833949][ T337] netconsole: netconsole: local port 1514 [ 25.836600][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 25.836984][ T337] netconsole: netconsole: interface name 'enp1s0' [ 25.837289][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 25.837652][ T337] netconsole: netconsole: remote port 6666 [ 25.837959][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 25.838331][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 25.882608][ T337] netconsole: network logging started [ 26.287385][ T337] netcons test #8-0 [ 26.287385][ T337] netcons test #8-1 [ 26.287385][ T337] netcons test #8-2 [ 26.287385][ T337] netcons test #8-3 [ 26.287385][ T337] netcons test #8-4 [ 26.287385][ T337] netcons test #8-5 [ 26.287385][ T337] netcons test #8-6 [ 26.287385][ T337] netcons test #8-7 [ 26.287385][ T337] netcons test #8-8 [ 26.287385][ T337] netcons test #8-9 [ 26.287385][ T337] netcons test #8-10 [ 26.287385][ T337] netcons test #8-11 [ 26.287385][ T337] netcons test #8-12 [ 26.287385][ T337] netcons test #8-13 [ 26.287385][ T337] netcons test #8-14 [ 26.287385][ T337] netcons test #8-15 [ 26.287385][ T337] netcons test #8-16 [ 26.287385][ T337] netcons test #8-17 [ 26.287385][ T337] netcons test #8-18 [ 26.287385][ T337] netcons test #8-19 [ 26.287385][ T337] netcons test #8-20 [ 26.287385][ T337] netcons test #8-21 [ 26.287385][ T337] netcons test #8-22 [ 26.287385][ T337] netcons test #8-23 [ 26.287385][ T337] netcons test #8-24 [ 26.287385][ T337] netcons test #8-25 [ 26.287385][ T337] netcons test #8-26 [ 26.287385][ T337] netcons test #8-27 [ 26.287385][ T337] netcons test #8-28 [ 26.287385][ T337] netcons test #8-29 [ 26.287385][ T337] netcons test #8-30 [ 26.287385][ T337] netcons test #8-31 [ 26.287385][ T337] netcons test #8-32 [ 26.287385][ T337] netcons test #8-33 [ 26.287385][ T337] netcons test #8-34 [ 26.287385][ T337] netcons test #8-35 [ 26.287385][ T337] netcons test #8-36 [ 26.287385][ T337] netcons test #8-37 [ 26.287385][ T337] netcons test #8-38 [ 26.287385][ T337] netcons test #8-39 [ 26.306161][ T337] netconsole: netconsole: local port 1514 [ 26.306447][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 26.306803][ T337] netconsole: netconsole: interface name 'enp1s0' [ 26.307097][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 26.307441][ T337] netconsole: netconsole: remote port 6666 [ 26.307735][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 26.308086][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 26.431212][ T337] netconsole: network logging started [ 26.833811][ T337] netcons test #9-0 [ 26.833811][ T337] netcons test #9-1 [ 26.833811][ T337] netcons test #9-2 [ 26.833811][ T337] netcons test #9-3 [ 26.833811][ T337] netcons test #9-4 [ 26.833811][ T337] netcons test #9-5 [ 26.833811][ T337] netcons test #9-6 [ 26.833811][ T337] netcons test #9-7 [ 26.833811][ T337] netcons test #9-8 [ 26.833811][ T337] netcons test #9-9 [ 26.833811][ T337] netcons test #9-10 [ 26.833811][ T337] netcons test #9-11 [ 26.833811][ T337] netcons test #9-12 [ 26.833811][ T337] netcons test #9-13 [ 26.833811][ T337] netcons test #9-14 [ 26.833811][ T337] netcons test #9-15 [ 26.833811][ T337] netcons test #9-16 [ 26.833811][ T337] netcons test #9-17 [ 26.833811][ T337] netcons test #9-18 [ 26.833811][ T337] netcons test #9-19 [ 26.833811][ T337] netcons test #9-20 [ 26.833811][ T337] netcons test #9-21 [ 26.833811][ T337] netcons test #9-22 [ 26.833811][ T337] netcons test #9-23 [ 26.833811][ T337] netcons test #9-24 [ 26.833811][ T337] netcons test #9-25 [ 26.833811][ T337] netcons test #9-26 [ 26.833811][ T337] netcons test #9-27 [ 26.833811][ T337] netcons test #9-28 [ 26.833811][ T337] netcons test #9-29 [ 26.833811][ T337] netcons test #9-30 [ 26.833811][ T337] netcons test #9-31 [ 26.833811][ T337] netcons test #9-32 [ 26.833811][ T337] netcons test #9-33 [ 26.833811][ T337] netcons test #9-34 [ 26.833811][ T337] netcons test #9-35 [ 26.833811][ T337] netcons test #9-36 [ 26.833811][ T337] netcons test #9-37 [ 26.833811][ T337] netcons test #9-38 [ 26.833811][ T337] netcons test #9-39 [ 26.833847][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.833851][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 26.833853][ T337] preempt_count: 1, expected: 0 [ 26.833854][ T337] RCU nest depth: 0, expected: 0 [ 26.833855][ T337] locks held by python3/337: 4, last CPU#0: [ 26.833858][ T337] #0: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.833873][ T337] #1: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.833879][ T337] #2: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.833884][ T337] #3: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 26.833888][ T337] irq event stamp: 391624 [ 26.833890][ T337] hardirqs last enabled at (391623): [] __down_trylock_console_sem+0x86/0xa0 [ 26.833893][ T337] hardirqs last disabled at (391624): [] console_emit_next_record+0x3f8/0x4f0 [ 26.833895][ T337] softirqs last enabled at (390404): [] handle_softirqs+0x67c/0x900 [ 26.833898][ T337] softirqs last disabled at (389589): [] __irq_exit_rcu+0x145/0x1c0 [ 26.833901][ T337] Preemption disabled at: [ 26.833902][ T337] [] vprintk_emit+0x31b/0x3e0 [ 26.833908][ T337] CPU: 0 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.833912][ T337] Tainted: [W]=WARN [ 26.833913][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.833915][ T337] Call Trace: [ 26.833917][ T337] [ 26.833918][ T337] dump_stack_lvl+0x6f/0xa0 [ 26.833925][ T337] ? vprintk_emit+0x31b/0x3e0 [ 26.833927][ T337] __might_resched.cold+0x1fe/0x2c1 [ 26.833932][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.833936][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 26.833941][ T337] __kmalloc_noprof+0x443/0x760 [ 26.833944][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 26.833951][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 26.833954][ T337] alloc_buf.isra.0+0x4b/0x260 [ 26.833958][ T337] put_chars+0x1e1/0x2f0 [ 26.833961][ T337] ? __send_to_port+0x420/0x420 [ 26.833963][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 26.833967][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.833970][ T337] ? validate_chain+0x38b/0xc20 [ 26.833974][ T337] hvc_console_print+0x292/0x780 [ 26.833978][ T337] ? __lock_acquire+0x518/0xc20 [ 26.833979][ T337] ? __lock_acquire+0x518/0xc20 [ 26.833984][ T337] ? hvc_write+0x3a0/0x3a0 [ 26.833987][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.833990][ T337] ? lock_acquire+0x13c/0x160 [ 26.833994][ T337] console_emit_next_record+0x252/0x4f0 [ 26.833998][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 26.834002][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.834005][ T337] ? lock_acquire+0x13c/0x160 [ 26.834008][ T337] console_flush_one_record+0x46f/0x710 [ 26.834013][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 26.834014][ T337] ? __lock_acquire+0x518/0xc20 [ 26.834019][ T337] console_unlock+0xee/0x1f0 [ 26.834022][ T337] ? console_flush_one_record+0x710/0x710 [ 26.834024][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.834027][ T337] ? lock_acquire+0xa0/0x160 [ 26.834030][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.834032][ T337] ? vprintk_emit+0x320/0x3e0 [ 26.834035][ T337] vprintk_emit+0x37c/0x3e0 [ 26.834039][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 26.834042][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 26.834048][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 26.834052][ T337] ? vprintk_emit.cold+0x107/0x107 [ 26.834056][ T337] ? __kmalloc_noprof+0x302/0x760 [ 26.834058][ T337] ? idr_get_free+0x830/0x830 [ 26.834062][ T337] ? devkmsg_write+0xd1/0x2c0 [ 26.834065][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 26.834067][ T337] devkmsg_write.cold+0x5a/0x8b [ 26.834070][ T337] ? vprintk_default+0x20/0x20 [ 26.834075][ T337] ? vprintk_default+0x20/0x20 [ 26.834077][ T337] new_sync_write+0x33e/0x760 [ 26.834084][ T337] ? new_sync_read+0x750/0x750 [ 26.834088][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 26.834093][ T337] ? __fget_files+0x1e3/0x460 [ 26.834096][ T337] vfs_write+0x6a2/0xbd0 [ 26.834100][ T337] ksys_write+0x116/0x250 [ 26.834103][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 26.834106][ T337] ? rcu_is_watching+0x16/0xd0 [ 26.834109][ T337] do_syscall_64+0xff/0x530 [ 26.834112][ T337] ? irq_exit_rcu+0x1a/0x30 [ 26.834115][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.834117][ T337] RIP: 0033:0x7f5532734312 [ 26.834122][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 26.834124][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 26.834127][ T337] RAX: ffffffffffffffda RBX: 00000000000002ee RCX: 00007f5532734312 [ 26.834128][ T337] RDX: 00000000000002ee RSI: 0000556863ce12b0 RDI: 000000000000000b [ 26.834129][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 26.834130][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 26.834131][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 26.834138][ T337] [ 26.877403][ T337] netconsole: netconsole: local port 1514 [ 26.877690][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 26.878081][ T337] netconsole: netconsole: interface name 'enp1s0' [ 26.878386][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 26.878750][ T337] netconsole: netconsole: remote port 6666 [ 26.879066][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 26.879428][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 26.932648][ T337] netconsole: network logging started [ 27.346859][ T337] netcons test #10-0 [ 27.346859][ T337] netcons test #10-1 [ 27.346859][ T337] netcons test #10-2 [ 27.346859][ T337] netcons test #10-3 [ 27.346859][ T337] netcons test #10-4 [ 27.346859][ T337] netcons test #10-5 [ 27.346859][ T337] netcons test #10-6 [ 27.346859][ T337] netcons test #10-7 [ 27.346859][ T337] netcons test #10-8 [ 27.346859][ T337] netcons test #10-9 [ 27.346859][ T337] netcons test #10-10 [ 27.346859][ T337] netcons test #10-11 [ 27.346859][ T337] netcons test #10-12 [ 27.346859][ T337] netcons test #10-13 [ 27.346859][ T337] netcons test #10-14 [ 27.346859][ T337] netcons test #10-15 [ 27.346859][ T337] netcons test #10-16 [ 27.346859][ T337] netcons test #10-17 [ 27.346859][ T337] netcons test #10-18 [ 27.346859][ T337] netcons test #10-19 [ 27.346859][ T337] netcons test #10-20 [ 27.346859][ T337] netcons test #10-21 [ 27.346859][ T337] netcons test #10-22 [ 27.346859][ T337] netcons test #10-23 [ 27.346859][ T337] netcons test #10-24 [ 27.346859][ T337] netcons test #10-25 [ 27.346859][ T337] netcons test #10-26 [ 27.346859][ T337] netcons test #10-27 [ 27.346859][ T337] netcons test #10-28 [ 27.346859][ T337] netcons test #10-29 [ 27.346859][ T337] netcons test #10-30 [ 27.346859][ T337] netcons test #10-31 [ 27.346859][ T337] netcons test #10-32 [ 27.346859][ T337] netcons test #10-33 [ 27.346859][ T337] netcons test #10-34 [ 27.346859][ T337] netcons test #10-35 [ 27.346859][ T337] netcons test #10-36 [ 27.346859][ T337] netcons test #10-37 [ 27.346859][ T337] netcons test #10-38 [ 27.346859][ T337] netcons test #10-39 [ 27.361442][ T337] netconsole: netconsole: local port 1514 [ 27.361730][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 27.362113][ T337] netconsole: netconsole: interface name 'enp1s0' [ 27.362420][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 27.362776][ T337] netconsole: netconsole: remote port 6666 [ 27.363095][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 27.363462][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 27.424194][ T337] netconsole: network logging started [ 27.832156][ T337] netcons test #11-0 [ 27.832156][ T337] netcons test #11-1 [ 27.832156][ T337] netcons test #11-2 [ 27.832156][ T337] netcons test #11-3 [ 27.832156][ T337] netcons test #11-4 [ 27.832156][ T337] netcons test #11-5 [ 27.832156][ T337] netcons test #11-6 [ 27.832156][ T337] netcons test #11-7 [ 27.832156][ T337] netcons test #11-8 [ 27.832156][ T337] netcons test #11-9 [ 27.832156][ T337] netcons test #11-10 [ 27.832156][ T337] netcons test #11-11 [ 27.832156][ T337] netcons test #11-12 [ 27.832156][ T337] netcons test #11-13 [ 27.832156][ T337] netcons test #11-14 [ 27.832156][ T337] netcons test #11-15 [ 27.832156][ T337] netcons test #11-16 [ 27.832156][ T337] netcons test #11-17 [ 27.832156][ T337] netcons test #11-18 [ 27.832156][ T337] netcons test #11-19 [ 27.832156][ T337] netcons test #11-20 [ 27.832156][ T337] netcons test #11-21 [ 27.832156][ T337] netcons test #11-22 [ 27.832156][ T337] netcons test #11-23 [ 27.832156][ T337] netcons test #11-24 [ 27.832156][ T337] netcons test #11-25 [ 27.832156][ T337] netcons test #11-26 [ 27.832156][ T337] netcons test #11-27 [ 27.832156][ T337] netcons test #11-28 [ 27.832156][ T337] netcons test #11-29 [ 27.832156][ T337] netcons test #11-30 [ 27.832156][ T337] netcons test #11-31 [ 27.832156][ T337] netcons test #11-32 [ 27.832156][ T337] netcons test #11-33 [ 27.832156][ T337] netcons test #11-34 [ 27.832156][ T337] netcons test #11-35 [ 27.832156][ T337] netcons test #11-36 [ 27.832156][ T337] netcons test #11-37 [ 27.832156][ T337] netcons test #11-38 [ 27.832156][ T337] netcons test #11-39 [ 27.837189][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.837199][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 27.837202][ T337] preempt_count: 1, expected: 0 [ 27.837203][ T337] RCU nest depth: 0, expected: 0 [ 27.837204][ T337] locks held by python3/337: 4, last CPU#0: [ 27.837206][ T337] #0: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.837221][ T337] #1: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.837226][ T337] #2: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.837231][ T337] #3: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 27.837236][ T337] irq event stamp: 416770 [ 27.837238][ T337] hardirqs last enabled at (416769): [] __down_trylock_console_sem+0x86/0xa0 [ 27.837241][ T337] hardirqs last disabled at (416770): [] console_emit_next_record+0x3f8/0x4f0 [ 27.837243][ T337] softirqs last enabled at (415698): [] handle_softirqs+0x67c/0x900 [ 27.837246][ T337] softirqs last disabled at (415691): [] __irq_exit_rcu+0x145/0x1c0 [ 27.837249][ T337] Preemption disabled at: [ 27.837249][ T337] [] vprintk_emit+0x31b/0x3e0 [ 27.837256][ T337] CPU: 0 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.837260][ T337] Tainted: [W]=WARN [ 27.837261][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.837264][ T337] Call Trace: [ 27.837266][ T337] [ 27.837267][ T337] dump_stack_lvl+0x6f/0xa0 [ 27.837273][ T337] ? vprintk_emit+0x31b/0x3e0 [ 27.837276][ T337] __might_resched.cold+0x1fe/0x2c1 [ 27.837281][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.837285][ T337] ? kmem_cache_alloc_noprof+0x73/0x5c0 [ 27.837290][ T337] kmem_cache_alloc_noprof+0x315/0x5c0 [ 27.837293][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 27.837296][ T337] ? __alloc_object+0x30/0x260 [ 27.837302][ T337] __alloc_object+0x30/0x260 [ 27.837304][ T337] ? kasan_quarantine_reduce+0x1d1/0x240 [ 27.837307][ T337] __create_object+0x30/0x110 [ 27.837311][ T337] __kmalloc_noprof+0x4e5/0x760 [ 27.837314][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 27.837321][ T337] alloc_buf.isra.0+0x4b/0x260 [ 27.837324][ T337] put_chars+0x1e1/0x2f0 [ 27.837327][ T337] ? __send_to_port+0x420/0x420 [ 27.837330][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 27.837333][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.837336][ T337] ? validate_chain+0x38b/0xc20 [ 27.837340][ T337] hvc_console_print+0x292/0x780 [ 27.837344][ T337] ? __lock_acquire+0x518/0xc20 [ 27.837345][ T337] ? __lock_acquire+0x518/0xc20 [ 27.837350][ T337] ? hvc_write+0x3a0/0x3a0 [ 27.837354][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.837357][ T337] ? lock_acquire+0x13c/0x160 [ 27.837361][ T337] console_emit_next_record+0x252/0x4f0 [ 27.837365][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 27.837370][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.837372][ T337] ? lock_acquire+0x13c/0x160 [ 27.837376][ T337] console_flush_one_record+0x46f/0x710 [ 27.837380][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 27.837382][ T337] ? __lock_acquire+0x518/0xc20 [ 27.837388][ T337] console_unlock+0xee/0x1f0 [ 27.837391][ T337] ? console_flush_one_record+0x710/0x710 [ 27.837392][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.837395][ T337] ? lock_acquire+0xa0/0x160 [ 27.837399][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.837401][ T337] ? vprintk_emit+0x320/0x3e0 [ 27.837404][ T337] vprintk_emit+0x37c/0x3e0 [ 27.837408][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 27.837411][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 27.837417][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 27.837421][ T337] ? vprintk_emit.cold+0x107/0x107 [ 27.837425][ T337] ? __kmalloc_noprof+0x302/0x760 [ 27.837427][ T337] ? idr_get_free+0x830/0x830 [ 27.837430][ T337] ? devkmsg_write+0xd1/0x2c0 [ 27.837434][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 27.837436][ T337] devkmsg_write.cold+0x5a/0x8b [ 27.837439][ T337] ? vprintk_default+0x20/0x20 [ 27.837444][ T337] ? vprintk_default+0x20/0x20 [ 27.837447][ T337] new_sync_write+0x33e/0x760 [ 27.837452][ T337] ? new_sync_read+0x750/0x750 [ 27.837456][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 27.837461][ T337] ? __fget_files+0x1e3/0x460 [ 27.837465][ T337] vfs_write+0x6a2/0xbd0 [ 27.837469][ T337] ksys_write+0x116/0x250 [ 27.837472][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 27.837475][ T337] ? rcu_is_watching+0x16/0xd0 [ 27.837478][ T337] do_syscall_64+0xff/0x530 [ 27.837481][ T337] ? irq_exit_rcu+0x1a/0x30 [ 27.837484][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.837486][ T337] RIP: 0033:0x7f5532734312 [ 27.837491][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 27.837493][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 27.837497][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f5532734312 [ 27.837498][ T337] RDX: 0000000000000316 RSI: 0000556863ce12b0 RDI: 000000000000000b [ 27.837500][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 27.837501][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 27.837501][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 27.837509][ T337] [ 27.885087][ T337] netconsole: netconsole: local port 1514 [ 27.885379][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 27.885758][ T337] netconsole: netconsole: interface name 'enp1s0' [ 27.886074][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 27.886452][ T337] netconsole: netconsole: remote port 6666 [ 27.886768][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 27.887154][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 27.928766][ T337] netconsole: network logging started [ 28.338928][ T337] netcons test #12-0 [ 28.338928][ T337] netcons test #12-1 [ 28.338928][ T337] netcons test #12-2 [ 28.338928][ T337] netcons test #12-3 [ 28.338928][ T337] netcons test #12-4 [ 28.338928][ T337] netcons test #12-5 [ 28.338928][ T337] netcons test #12-6 [ 28.338928][ T337] netcons test #12-7 [ 28.338928][ T337] netcons test #12-8 [ 28.338928][ T337] netcons test #12-9 [ 28.338928][ T337] netcons test #12-10 [ 28.338928][ T337] netcons test #12-11 [ 28.338928][ T337] netcons test #12-12 [ 28.338928][ T337] netcons test #12-13 [ 28.338928][ T337] netcons test #12-14 [ 28.338928][ T337] netcons test #12-15 [ 28.338928][ T337] netcons test #12-16 [ 28.338928][ T337] netcons test #12-17 [ 28.338928][ T337] netcons test #12-18 [ 28.338928][ T337] netcons test #12-19 [ 28.338928][ T337] netcons test #12-20 [ 28.338928][ T337] netcons test #12-21 [ 28.338928][ T337] netcons test #12-22 [ 28.338928][ T337] netcons test #12-23 [ 28.338928][ T337] netcons test #12-24 [ 28.338928][ T337] netcons test #12-25 [ 28.338928][ T337] netcons test #12-26 [ 28.338928][ T337] netcons test #12-27 [ 28.338928][ T337] netcons test #12-28 [ 28.338928][ T337] netcons test #12-29 [ 28.338928][ T337] netcons test #12-30 [ 28.338928][ T337] netcons test #12-31 [ 28.338928][ T337] netcons test #12-32 [ 28.338928][ T337] netcons test #12-33 [ 28.338928][ T337] netcons test #12-34 [ 28.338928][ T337] netcons test #12-35 [ 28.338928][ T337] netcons test #12-36 [ 28.338928][ T337] netcons test #12-37 [ 28.338928][ T337] netcons test #12-38 [ 28.338928][ T337] netcons test #12-39 [ 28.357543][ T337] netconsole: netconsole: local port 1514 [ 28.357816][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 28.358171][ T337] netconsole: netconsole: interface name 'enp1s0' [ 28.358454][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 28.358778][ T337] netconsole: netconsole: remote port 6666 [ 28.359067][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 28.359473][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 28.391371][ T337] netconsole: network logging started [ 28.803095][ T337] netcons test #13-0 [ 28.803095][ T337] netcons test #13-1 [ 28.803095][ T337] netcons test #13-2 [ 28.803095][ T337] netcons test #13-3 [ 28.803095][ T337] netcons test #13-4 [ 28.803095][ T337] netcons test #13-5 [ 28.803095][ T337] netcons test #13-6 [ 28.803095][ T337] netcons test #13-7 [ 28.803095][ T337] netcons test #13-8 [ 28.803095][ T337] netcons test #13-9 [ 28.803095][ T337] netcons test #13-10 [ 28.803095][ T337] netcons test #13-11 [ 28.803095][ T337] netcons test #13-12 [ 28.803095][ T337] netcons test #13-13 [ 28.803095][ T337] netcons test #13-14 [ 28.803095][ T337] netcons test #13-15 [ 28.803095][ T337] netcons test #13-16 [ 28.803095][ T337] netcons test #13-17 [ 28.803095][ T337] netcons test #13-18 [ 28.803095][ T337] netcons test #13-19 [ 28.803095][ T337] netcons test #13-20 [ 28.803095][ T337] netcons test #13-21 [ 28.803095][ T337] netcons test #13-22 [ 28.803095][ T337] netcons test #13-23 [ 28.803095][ T337] netcons test #13-24 [ 28.803095][ T337] netcons test #13-25 [ 28.803095][ T337] netcons test #13-26 [ 28.803095][ T337] netcons test #13-27 [ 28.803095][ T337] netcons test #13-28 [ 28.803095][ T337] netcons test #13-29 [ 28.803095][ T337] netcons test #13-30 [ 28.803095][ T337] netcons test #13-31 [ 28.803095][ T337] netcons test #13-32 [ 28.803095][ T337] netcons test #13-33 [ 28.803095][ T337] netcons test #13-34 [ 28.803095][ T337] netcons test #13-35 [ 28.803095][ T337] netcons test #13-36 [ 28.803095][ T337] netcons test #13-37 [ 28.803095][ T337] netcons test #13-38 [ 28.803095][ T337] netcons test #13-39 [ 28.812286][ T337] netconsole: netconsole: local port 1514 [ 28.812565][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 28.812908][ T337] netconsole: netconsole: interface name 'enp1s0' [ 28.813165][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 28.813558][ T337] netconsole: netconsole: remote port 6666 [ 28.813854][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 28.814329][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 28.842157][ T337] netconsole: network logging started [ 28.842175][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.842180][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 28.842182][ T337] preempt_count: 1, expected: 0 [ 28.842183][ T337] RCU nest depth: 0, expected: 0 [ 28.842184][ T337] locks held by python3/337: 9, last CPU#5: [ 28.842186][ T337] #0: ff1100000badc370 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x22c/0x310 [ 28.842199][ T337] #1: ff1100000a631430 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 28.842205][ T337] #2: ff1100000c069080 (&buffer->mutex){+.+.}-{4:4}, at: configfs_write_iter+0x71/0x4b0 [ 28.842211][ T337] #3: ff1100000e453bb0 (&p->frag_sem){++++}-{4:4}, at: configfs_write_iter+0x1db/0x4b0 [ 28.842215][ T337] #4: ffffffffc02f5880 (dynamic_netconsole_mutex){+.+.}-{4:4}, at: enabled_store+0xa0/0x750 [netconsole] [ 28.842222][ T337] #5: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.842229][ T337] #6: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.842233][ T337] #7: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.842237][ T337] #8: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 28.842242][ T337] irq event stamp: 440774 [ 28.842244][ T337] hardirqs last enabled at (440773): [] __down_trylock_console_sem+0x86/0xa0 [ 28.842247][ T337] hardirqs last disabled at (440774): [] console_emit_next_record+0x3f8/0x4f0 [ 28.842249][ T337] softirqs last enabled at (440726): [] __alloc_skb+0x4c5/0x5f0 [ 28.842253][ T337] softirqs last disabled at (440724): [] __alloc_skb+0x4c5/0x5f0 [ 28.842255][ T337] Preemption disabled at: [ 28.842256][ T337] [] vprintk_emit+0x31b/0x3e0 [ 28.842262][ T337] CPU: 5 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.842266][ T337] Tainted: [W]=WARN [ 28.842267][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.842269][ T337] Call Trace: [ 28.842271][ T337] [ 28.842273][ T337] dump_stack_lvl+0x6f/0xa0 [ 28.842279][ T337] ? vprintk_emit+0x31b/0x3e0 [ 28.842282][ T337] __might_resched.cold+0x1fe/0x2c1 [ 28.842286][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.842291][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 28.842296][ T337] __kmalloc_noprof+0x443/0x760 [ 28.842299][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 28.842306][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 28.842309][ T337] alloc_buf.isra.0+0x4b/0x260 [ 28.842312][ T337] put_chars+0x1e1/0x2f0 [ 28.842316][ T337] ? __send_to_port+0x420/0x420 [ 28.842318][ T337] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.842323][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.842325][ T337] ? validate_chain+0x38b/0xc20 [ 28.842330][ T337] hvc_console_print+0x292/0x780 [ 28.842333][ T337] ? __lock_acquire+0x518/0xc20 [ 28.842339][ T337] ? hvc_write+0x3a0/0x3a0 [ 28.842342][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.842348][ T337] console_emit_next_record+0x252/0x4f0 [ 28.842353][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 28.842359][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.842362][ T337] ? lock_acquire+0x13c/0x160 [ 28.842366][ T337] console_flush_one_record+0x46f/0x710 [ 28.842371][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 28.842372][ T337] ? __lock_acquire+0x518/0xc20 [ 28.842378][ T337] console_unlock+0xee/0x1f0 [ 28.842381][ T337] ? console_flush_one_record+0x710/0x710 [ 28.842383][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.842385][ T337] ? lock_acquire+0xa0/0x160 [ 28.842390][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.842391][ T337] ? vprintk_emit+0x320/0x3e0 [ 28.842395][ T337] vprintk_emit+0x37c/0x3e0 [ 28.842399][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 28.842402][ T337] ? rcu_gp_is_expedited+0x54/0x70 [ 28.842404][ T337] ? synchronize_rcu+0x22e/0x350 [ 28.842408][ T337] _printk+0xc7/0x100 [ 28.842412][ T337] ? snapshot_read.cold+0x21/0x21 [ 28.842413][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 28.842418][ T337] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 28.842419][ T337] ? lockdep_hardirqs_on+0x91/0x130 [ 28.842424][ T337] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 28.842427][ T337] ? __free_object+0x2ad/0x490 [ 28.842432][ T337] enabled_store.cold+0x178/0x1ae [netconsole] [ 28.842435][ T337] ? __kasan_kmalloc+0x7b/0x90 [ 28.842439][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 28.842441][ T337] ? down_write_killable_nested+0x270/0x270 [ 28.842444][ T337] ? __kmalloc_cache_noprof+0x281/0x620 [ 28.842446][ T337] ? configfs_write_iter+0x336/0x4b0 [ 28.842450][ T337] ? netconsole_write_ext+0x20/0x20 [netconsole] [ 28.842452][ T337] configfs_write_iter+0x2c0/0x4b0 [ 28.842455][ T337] ? configfs_bin_write_iter+0x530/0x530 [ 28.842458][ T337] new_sync_write+0x33e/0x760 [ 28.842461][ T337] ? __lock_acquire+0x518/0xc20 [ 28.842464][ T337] ? new_sync_read+0x750/0x750 [ 28.842468][ T337] ? lock_acquire.part.0+0xd4/0x280 [ 28.842470][ T337] ? ksys_write+0x116/0x250 [ 28.842477][ T337] vfs_write+0x6a2/0xbd0 [ 28.842481][ T337] ksys_write+0x116/0x250 [ 28.842484][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 28.842486][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.842488][ T337] ? rcu_is_watching+0x16/0xd0 [ 28.842492][ T337] do_syscall_64+0xff/0x530 [ 28.842494][ T337] ? irq_exit_rcu+0x1a/0x30 [ 28.842498][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.842501][ T337] RIP: 0033:0x7f5532734312 [ 28.842505][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 28.842507][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 28.842510][ T337] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5532734312 [ 28.842512][ T337] RDX: 0000000000000001 RSI: 0000556863ce12b0 RDI: 000000000000000b [ 28.842513][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 28.842514][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 28.842515][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 28.842523][ T337] [ 29.293818][ T337] netcons test #14-0 [ 29.293818][ T337] netcons test #14-1 [ 29.293818][ T337] netcons test #14-2 [ 29.293818][ T337] netcons test #14-3 [ 29.293818][ T337] netcons test #14-4 [ 29.293818][ T337] netcons test #14-5 [ 29.293818][ T337] netcons test #14-6 [ 29.293818][ T337] netcons test #14-7 [ 29.293818][ T337] netcons test #14-8 [ 29.293818][ T337] netcons test #14-9 [ 29.293818][ T337] netcons test #14-10 [ 29.293818][ T337] netcons test #14-11 [ 29.293818][ T337] netcons test #14-12 [ 29.293818][ T337] netcons test #14-13 [ 29.293818][ T337] netcons test #14-14 [ 29.293818][ T337] netcons test #14-15 [ 29.293818][ T337] netcons test #14-16 [ 29.293818][ T337] netcons test #14-17 [ 29.293818][ T337] netcons test #14-18 [ 29.293818][ T337] netcons test #14-19 [ 29.293818][ T337] netcons test #14-20 [ 29.293818][ T337] netcons test #14-21 [ 29.293818][ T337] netcons test #14-22 [ 29.293818][ T337] netcons test #14-23 [ 29.293818][ T337] netcons test #14-24 [ 29.293818][ T337] netcons test #14-25 [ 29.293818][ T337] netcons test #14-26 [ 29.293818][ T337] netcons test #14-27 [ 29.293818][ T337] netcons test #14-28 [ 29.293818][ T337] netcons test #14-29 [ 29.293818][ T337] netcons test #14-30 [ 29.293818][ T337] netcons test #14-31 [ 29.293818][ T337] netcons test #14-32 [ 29.293818][ T337] netcons test #14-33 [ 29.293818][ T337] netcons test #14-34 [ 29.293818][ T337] netcons test #14-35 [ 29.293818][ T337] netcons test #14-36 [ 29.293818][ T337] netcons test #14-37 [ 29.293818][ T337] netcons test #14-38 [ 29.293818][ T337] netcons test #14-39 [ 29.307163][ T337] netconsole: netconsole: local port 1514 [ 29.307407][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 29.307746][ T337] netconsole: netconsole: interface name 'enp1s0' [ 29.308026][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 29.311089][ T337] netconsole: netconsole: remote port 6666 [ 29.311370][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 29.311696][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 29.342225][ T337] netconsole: network logging started [ 29.751344][ T337] netcons test #15-0 [ 29.751344][ T337] netcons test #15-1 [ 29.751344][ T337] netcons test #15-2 [ 29.751344][ T337] netcons test #15-3 [ 29.751344][ T337] netcons test #15-4 [ 29.751344][ T337] netcons test #15-5 [ 29.751344][ T337] netcons test #15-6 [ 29.751344][ T337] netcons test #15-7 [ 29.751344][ T337] netcons test #15-8 [ 29.751344][ T337] netcons test #15-9 [ 29.751344][ T337] netcons test #15-10 [ 29.751344][ T337] netcons test #15-11 [ 29.751344][ T337] netcons test #15-12 [ 29.751344][ T337] netcons test #15-13 [ 29.751344][ T337] netcons test #15-14 [ 29.751344][ T337] netcons test #15-15 [ 29.751344][ T337] netcons test #15-16 [ 29.751344][ T337] netcons test #15-17 [ 29.751344][ T337] netcons test #15-18 [ 29.751344][ T337] netcons test #15-19 [ 29.751344][ T337] netcons test #15-20 [ 29.751344][ T337] netcons test #15-21 [ 29.751344][ T337] netcons test #15-22 [ 29.751344][ T337] netcons test #15-23 [ 29.751344][ T337] netcons test #15-24 [ 29.751344][ T337] netcons test #15-25 [ 29.751344][ T337] netcons test #15-26 [ 29.751344][ T337] netcons test #15-27 [ 29.751344][ T337] netcons test #15-28 [ 29.751344][ T337] netcons test #15-29 [ 29.751344][ T337] netcons test #15-30 [ 29.751344][ T337] netcons test #15-31 [ 29.751344][ T337] netcons test #15-32 [ 29.751344][ T337] netcons test #15-33 [ 29.751344][ T337] netcons test #15-34 [ 29.751344][ T337] netcons test #15-35 [ 29.751344][ T337] netcons test #15-36 [ 29.751344][ T337] netcons test #15-37 [ 29.751344][ T337] netcons test #15-38 [ 29.751344][ T337] netcons test #15-39 [ 29.765975][ T337] netconsole: netconsole: local port 1514 [ 29.766239][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 29.766666][ T337] netconsole: netconsole: interface name 'enp1s0' [ 29.766960][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 29.767295][ T337] netconsole: netconsole: remote port 6666 [ 29.767697][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 29.768124][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 29.830765][ T337] netconsole: network logging started [ 30.233632][ T337] netcons test #16-0 [ 30.233632][ T337] netcons test #16-1 [ 30.233632][ T337] netcons test #16-2 [ 30.233632][ T337] netcons test #16-3 [ 30.233632][ T337] netcons test #16-4 [ 30.233632][ T337] netcons test #16-5 [ 30.233632][ T337] netcons test #16-6 [ 30.233632][ T337] netcons test #16-7 [ 30.233632][ T337] netcons test #16-8 [ 30.233632][ T337] netcons test #16-9 [ 30.233632][ T337] netcons test #16-10 [ 30.233632][ T337] netcons test #16-11 [ 30.233632][ T337] netcons test #16-12 [ 30.233632][ T337] netcons test #16-13 [ 30.233632][ T337] netcons test #16-14 [ 30.233632][ T337] netcons test #16-15 [ 30.233632][ T337] netcons test #16-16 [ 30.233632][ T337] netcons test #16-17 [ 30.233632][ T337] netcons test #16-18 [ 30.233632][ T337] netcons test #16-19 [ 30.233632][ T337] netcons test #16-20 [ 30.233632][ T337] netcons test #16-21 [ 30.233632][ T337] netcons test #16-22 [ 30.233632][ T337] netcons test #16-23 [ 30.233632][ T337] netcons test #16-24 [ 30.233632][ T337] netcons test #16-25 [ 30.233632][ T337] netcons test #16-26 [ 30.233632][ T337] netcons test #16-27 [ 30.233632][ T337] netcons test #16-28 [ 30.233632][ T337] netcons test #16-29 [ 30.233632][ T337] netcons test #16-30 [ 30.233632][ T337] netcons test #16-31 [ 30.233632][ T337] netcons test #16-32 [ 30.233632][ T337] netcons test #16-33 [ 30.233632][ T337] netcons test #16-34 [ 30.233632][ T337] netcons test #16-35 [ 30.233632][ T337] netcons test #16-36 [ 30.233632][ T337] netcons test #16-37 [ 30.233632][ T337] netcons test #16-38 [ 30.233632][ T337] netcons test #16-39 [ 30.233668][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.233671][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 30.233674][ T337] preempt_count: 1, expected: 0 [ 30.233675][ T337] RCU nest depth: 0, expected: 0 [ 30.233676][ T337] locks held by python3/337: 4, last CPU#1: [ 30.233678][ T337] #0: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.233692][ T337] #1: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.233697][ T337] #2: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.233702][ T337] #3: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 30.233707][ T337] irq event stamp: 468250 [ 30.233708][ T337] hardirqs last enabled at (468249): [] __down_trylock_console_sem+0x86/0xa0 [ 30.233711][ T337] hardirqs last disabled at (468250): [] console_emit_next_record+0x3f8/0x4f0 [ 30.233713][ T337] softirqs last enabled at (466882): [] handle_softirqs+0x67c/0x900 [ 30.233717][ T337] softirqs last disabled at (466285): [] __irq_exit_rcu+0x145/0x1c0 [ 30.233719][ T337] Preemption disabled at: [ 30.233720][ T337] [] vprintk_emit+0x31b/0x3e0 [ 30.233726][ T337] CPU: 1 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.233730][ T337] Tainted: [W]=WARN [ 30.233731][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.233733][ T337] Call Trace: [ 30.233735][ T337] [ 30.233737][ T337] dump_stack_lvl+0x6f/0xa0 [ 30.233743][ T337] ? vprintk_emit+0x31b/0x3e0 [ 30.233745][ T337] __might_resched.cold+0x1fe/0x2c1 [ 30.233750][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.233754][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 30.233759][ T337] __kmalloc_noprof+0x443/0x760 [ 30.233762][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 30.233768][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 30.233771][ T337] alloc_buf.isra.0+0x4b/0x260 [ 30.233775][ T337] put_chars+0x1e1/0x2f0 [ 30.233778][ T337] ? __send_to_port+0x420/0x420 [ 30.233781][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 30.233784][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.233787][ T337] ? validate_chain+0x38b/0xc20 [ 30.233791][ T337] hvc_console_print+0x292/0x780 [ 30.233795][ T337] ? __lock_acquire+0x518/0xc20 [ 30.233797][ T337] ? __lock_acquire+0x518/0xc20 [ 30.233801][ T337] ? hvc_write+0x3a0/0x3a0 [ 30.233805][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.233808][ T337] ? lock_acquire+0x13c/0x160 [ 30.233812][ T337] console_emit_next_record+0x252/0x4f0 [ 30.233816][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 30.233821][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.233823][ T337] ? lock_acquire+0x13c/0x160 [ 30.233827][ T337] console_flush_one_record+0x46f/0x710 [ 30.233831][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 30.233833][ T337] ? __lock_acquire+0x518/0xc20 [ 30.233838][ T337] console_unlock+0xee/0x1f0 [ 30.233841][ T337] ? console_flush_one_record+0x710/0x710 [ 30.233843][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.233846][ T337] ? lock_acquire+0xa0/0x160 [ 30.233849][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.233851][ T337] ? vprintk_emit+0x320/0x3e0 [ 30.233854][ T337] vprintk_emit+0x37c/0x3e0 [ 30.233858][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 30.233861][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 30.233870][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 30.233874][ T337] ? vprintk_emit.cold+0x107/0x107 [ 30.233878][ T337] ? __kmalloc_noprof+0x302/0x760 [ 30.233881][ T337] ? idr_get_free+0x830/0x830 [ 30.233884][ T337] ? devkmsg_write+0xd1/0x2c0 [ 30.233887][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 30.233890][ T337] devkmsg_write.cold+0x5a/0x8b [ 30.233893][ T337] ? vprintk_default+0x20/0x20 [ 30.233897][ T337] ? vprintk_default+0x20/0x20 [ 30.233900][ T337] new_sync_write+0x33e/0x760 [ 30.233906][ T337] ? new_sync_read+0x750/0x750 [ 30.233910][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 30.233915][ T337] ? __fget_files+0x1e3/0x460 [ 30.233919][ T337] vfs_write+0x6a2/0xbd0 [ 30.233923][ T337] ksys_write+0x116/0x250 [ 30.233926][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 30.233929][ T337] ? rcu_is_watching+0x16/0xd0 [ 30.233933][ T337] do_syscall_64+0xff/0x530 [ 30.233936][ T337] ? irq_exit_rcu+0x1a/0x30 [ 30.233938][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.233941][ T337] RIP: 0033:0x7f5532734312 [ 30.233945][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 30.233947][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.233950][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f5532734312 [ 30.233952][ T337] RDX: 0000000000000316 RSI: 0000556863ce12b0 RDI: 000000000000000b [ 30.233953][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 30.233954][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 30.233955][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 30.233962][ T337] [ 30.279824][ T337] netconsole: netconsole: local port 1514 [ 30.280231][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 30.280608][ T337] netconsole: netconsole: interface name 'enp1s0' [ 30.280903][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 30.281245][ T337] netconsole: netconsole: remote port 6666 [ 30.281535][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 30.281885][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 30.329935][ T337] netconsole: network logging started [ 30.738852][ T337] netcons test #17-0 [ 30.738852][ T337] netcons test #17-1 [ 30.738852][ T337] netcons test #17-2 [ 30.738852][ T337] netcons test #17-3 [ 30.738852][ T337] netcons test #17-4 [ 30.738852][ T337] netcons test #17-5 [ 30.738852][ T337] netcons test #17-6 [ 30.738852][ T337] netcons test #17-7 [ 30.738852][ T337] netcons test #17-8 [ 30.738852][ T337] netcons test #17-9 [ 30.738852][ T337] netcons test #17-10 [ 30.738852][ T337] netcons test #17-11 [ 30.738852][ T337] netcons test #17-12 [ 30.738852][ T337] netcons test #17-13 [ 30.738852][ T337] netcons test #17-14 [ 30.738852][ T337] netcons test #17-15 [ 30.738852][ T337] netcons test #17-16 [ 30.738852][ T337] netcons test #17-17 [ 30.738852][ T337] netcons test #17-18 [ 30.738852][ T337] netcons test #17-19 [ 30.738852][ T337] netcons test #17-20 [ 30.738852][ T337] netcons test #17-21 [ 30.738852][ T337] netcons test #17-22 [ 30.738852][ T337] netcons test #17-23 [ 30.738852][ T337] netcons test #17-24 [ 30.738852][ T337] netcons test #17-25 [ 30.738852][ T337] netcons test #17-26 [ 30.738852][ T337] netcons test #17-27 [ 30.738852][ T337] netcons test #17-28 [ 30.738852][ T337] netcons test #17-29 [ 30.738852][ T337] netcons test #17-30 [ 30.738852][ T337] netcons test #17-31 [ 30.738852][ T337] netcons test #17-32 [ 30.738852][ T337] netcons test #17-33 [ 30.738852][ T337] netcons test #17-34 [ 30.738852][ T337] netcons test #17-35 [ 30.738852][ T337] netcons test #17-36 [ 30.738852][ T337] netcons test #17-37 [ 30.738852][ T337] netcons test #17-38 [ 30.738852][ T337] netcons test #17-39 [ 30.752663][ T337] netconsole: netconsole: local port 1514 [ 30.753078][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 30.753445][ T337] netconsole: netconsole: interface name 'enp1s0' [ 30.754485][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 30.756036][ T337] netconsole: netconsole: remote port 6666 [ 30.756317][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 30.756682][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 30.818320][ T337] netconsole: network logging started [ 31.228970][ T337] netcons test #18-0 [ 31.228970][ T337] netcons test #18-1 [ 31.228970][ T337] netcons test #18-2 [ 31.228970][ T337] netcons test #18-3 [ 31.228970][ T337] netcons test #18-4 [ 31.228970][ T337] netcons test #18-5 [ 31.228970][ T337] netcons test #18-6 [ 31.228970][ T337] netcons test #18-7 [ 31.228970][ T337] netcons test #18-8 [ 31.228970][ T337] netcons test #18-9 [ 31.228970][ T337] netcons test #18-10 [ 31.228970][ T337] netcons test #18-11 [ 31.228970][ T337] netcons test #18-12 [ 31.228970][ T337] netcons test #18-13 [ 31.228970][ T337] netcons test #18-14 [ 31.228970][ T337] netcons test #18-15 [ 31.228970][ T337] netcons test #18-16 [ 31.228970][ T337] netcons test #18-17 [ 31.228970][ T337] netcons test #18-18 [ 31.228970][ T337] netcons test #18-19 [ 31.228970][ T337] netcons test #18-20 [ 31.228970][ T337] netcons test #18-21 [ 31.228970][ T337] netcons test #18-22 [ 31.228970][ T337] netcons test #18-23 [ 31.228970][ T337] netcons test #18-24 [ 31.228970][ T337] netcons test #18-25 [ 31.228970][ T337] netcons test #18-26 [ 31.228970][ T337] netcons test #18-27 [ 31.228970][ T337] netcons test #18-28 [ 31.228970][ T337] netcons test #18-29 [ 31.228970][ T337] netcons test #18-30 [ 31.228970][ T337] netcons test #18-31 [ 31.228970][ T337] netcons test #18-32 [ 31.228970][ T337] netcons test #18-33 [ 31.228970][ T337] netcons test #18-34 [ 31.228970][ T337] netcons test #18-35 [ 31.228970][ T337] netcons test #18-36 [ 31.228970][ T337] netcons test #18-37 [ 31.228970][ T337] netcons test #18-38 [ 31.228970][ T337] netcons test #18-39 [ 31.232890][ T337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.232897][ T337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 337, name: python3 [ 31.232899][ T337] preempt_count: 1, expected: 0 [ 31.232900][ T337] RCU nest depth: 0, expected: 0 [ 31.232902][ T337] locks held by python3/337: 4, last CPU#2: [ 31.232904][ T337] #0: ffffffff99f99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.232918][ T337] #1: ffffffff99f99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.232923][ T337] #2: ffffffff99e89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.232928][ T337] #3: ffffffff99e89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 31.232933][ T337] irq event stamp: 489422 [ 31.232935][ T337] hardirqs last enabled at (489421): [] __down_trylock_console_sem+0x86/0xa0 [ 31.232938][ T337] hardirqs last disabled at (489422): [] console_emit_next_record+0x3f8/0x4f0 [ 31.232940][ T337] softirqs last enabled at (488614): [] handle_softirqs+0x67c/0x900 [ 31.232944][ T337] softirqs last disabled at (488609): [] __irq_exit_rcu+0x145/0x1c0 [ 31.232946][ T337] Preemption disabled at: [ 31.232947][ T337] [] vprintk_emit+0x31b/0x3e0 [ 31.232953][ T337] CPU: 2 UID: 0 PID: 337 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.232957][ T337] Tainted: [W]=WARN [ 31.232958][ T337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.232960][ T337] Call Trace: [ 31.232962][ T337] [ 31.232963][ T337] dump_stack_lvl+0x6f/0xa0 [ 31.232969][ T337] ? vprintk_emit+0x31b/0x3e0 [ 31.232972][ T337] __might_resched.cold+0x1fe/0x2c1 [ 31.232976][ T337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.232981][ T337] ? __kmalloc_noprof+0xdb/0x760 [ 31.232986][ T337] __kmalloc_noprof+0x443/0x760 [ 31.232988][ T337] ? alloc_buf.isra.0+0x4b/0x260 [ 31.232995][ T337] ? do_raw_spin_unlock+0x59/0x250 [ 31.232998][ T337] alloc_buf.isra.0+0x4b/0x260 [ 31.233001][ T337] put_chars+0x1e1/0x2f0 [ 31.233004][ T337] ? __send_to_port+0x420/0x420 [ 31.233006][ T337] ? printk_get_next_message+0x2fe/0x7d0 [ 31.233010][ T337] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.233013][ T337] ? validate_chain+0x38b/0xc20 [ 31.233017][ T337] hvc_console_print+0x292/0x780 [ 31.233020][ T337] ? __lock_acquire+0x518/0xc20 [ 31.233022][ T337] ? __lock_acquire+0x518/0xc20 [ 31.233026][ T337] ? hvc_write+0x3a0/0x3a0 [ 31.233030][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.233033][ T337] ? lock_acquire+0x13c/0x160 [ 31.233037][ T337] console_emit_next_record+0x252/0x4f0 [ 31.233040][ T337] ? devkmsg_read+0x4e0/0x4e0 [ 31.233044][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.233047][ T337] ? lock_acquire+0x13c/0x160 [ 31.233051][ T337] console_flush_one_record+0x46f/0x710 [ 31.233055][ T337] ? console_emit_next_record+0x4f0/0x4f0 [ 31.233057][ T337] ? __lock_acquire+0x518/0xc20 [ 31.233062][ T337] console_unlock+0xee/0x1f0 [ 31.233064][ T337] ? console_flush_one_record+0x710/0x710 [ 31.233066][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.233069][ T337] ? lock_acquire+0xa0/0x160 [ 31.233072][ T337] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.233074][ T337] ? vprintk_emit+0x320/0x3e0 [ 31.233077][ T337] vprintk_emit+0x37c/0x3e0 [ 31.233081][ T337] ? wake_up_klogd_work_func+0x90/0x90 [ 31.233084][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 31.233090][ T337] devkmsg_emit.constprop.0+0xbc/0xf1 [ 31.233093][ T337] ? vprintk_emit.cold+0x107/0x107 [ 31.233097][ T337] ? __kmalloc_noprof+0x302/0x760 [ 31.233099][ T337] ? idr_get_free+0x830/0x830 [ 31.233103][ T337] ? devkmsg_write+0xd1/0x2c0 [ 31.233106][ T337] ? _copy_from_iter+0x1bb/0x1810 [ 31.233108][ T337] devkmsg_write.cold+0x5a/0x8b [ 31.233111][ T337] ? vprintk_default+0x20/0x20 [ 31.233114][ T337] ? __lock_acquire+0x518/0xc20 [ 31.233116][ T337] ? assoc_array_subtree_iterate+0x1b9/0x280 [ 31.233119][ T337] ? vprintk_default+0x20/0x20 [ 31.233122][ T337] new_sync_write+0x33e/0x760 [ 31.233126][ T337] ? static_obj+0x52/0x90 [ 31.233129][ T337] ? new_sync_read+0x750/0x750 [ 31.233133][ T337] ? __lock_release.isra.0+0x69/0x1a0 [ 31.233138][ T337] ? __fget_files+0x1e3/0x460 [ 31.233142][ T337] vfs_write+0x6a2/0xbd0 [ 31.233146][ T337] ksys_write+0x116/0x250 [ 31.233148][ T337] ? __ia32_sys_read+0xc0/0xc0 [ 31.233151][ T337] ? rcu_is_watching+0x16/0xd0 [ 31.233155][ T337] do_syscall_64+0xff/0x530 [ 31.233158][ T337] ? irq_exit_rcu+0x1a/0x30 [ 31.233160][ T337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.233163][ T337] RIP: 0033:0x7f5532734312 [ 31.233167][ T337] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00 [ 31.233169][ T337] RSP: 002b:00007ffd407cc148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.233172][ T337] RAX: ffffffffffffffda RBX: 0000000000000316 RCX: 00007f5532734312 [ 31.233174][ T337] RDX: 0000000000000316 RSI: 0000556863ce12b0 RDI: 000000000000000b [ 31.233175][ T337] RBP: 00007ffd407cc170 R08: 0000000000000000 R09: 0000000000000000 [ 31.233176][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55325a1390 [ 31.233177][ T337] R13: 0000556863ce12b0 R14: 000000000000000b R15: 00007f553252d0d0 [ 31.233183][ T337] [ 31.272215][ T337] netconsole: netconsole: local port 1514 [ 31.272470][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 31.272804][ T337] netconsole: netconsole: interface name 'enp1s0' [ 31.273090][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 31.273419][ T337] netconsole: netconsole: remote port 6666 [ 31.273698][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 31.274056][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 31.303805][ T337] netconsole: network logging started [ 31.710202][ T337] netcons test #19-0 [ 31.710202][ T337] netcons test #19-1 [ 31.710202][ T337] netcons test #19-2 [ 31.710202][ T337] netcons test #19-3 [ 31.710202][ T337] netcons test #19-4 [ 31.710202][ T337] netcons test #19-5 [ 31.710202][ T337] netcons test #19-6 [ 31.710202][ T337] netcons test #19-7 [ 31.710202][ T337] netcons test #19-8 [ 31.710202][ T337] netcons test #19-9 [ 31.710202][ T337] netcons test #19-10 [ 31.710202][ T337] netcons test #19-11 [ 31.710202][ T337] netcons test #19-12 [ 31.710202][ T337] netcons test #19-13 [ 31.710202][ T337] netcons test #19-14 [ 31.710202][ T337] netcons test #19-15 [ 31.710202][ T337] netcons test #19-16 [ 31.710202][ T337] netcons test #19-17 [ 31.710202][ T337] netcons test #19-18 [ 31.710202][ T337] netcons test #19-19 [ 31.710202][ T337] netcons test #19-20 [ 31.710202][ T337] netcons test #19-21 [ 31.710202][ T337] netcons test #19-22 [ 31.710202][ T337] netcons test #19-23 [ 31.710202][ T337] netcons test #19-24 [ 31.710202][ T337] netcons test #19-25 [ 31.710202][ T337] netcons test #19-26 [ 31.710202][ T337] netcons test #19-27 [ 31.710202][ T337] netcons test #19-28 [ 31.710202][ T337] netcons test #19-29 [ 31.710202][ T337] netcons test #19-30 [ 31.710202][ T337] netcons test #19-31 [ 31.710202][ T337] netcons test #19-32 [ 31.710202][ T337] netcons test #19-33 [ 31.710202][ T337] netcons test #19-34 [ 31.710202][ T337] netcons test #19-35 [ 31.710202][ T337] netcons test #19-36 [ 31.710202][ T337] netcons test #19-37 [ 31.710202][ T337] netcons test #19-38 [ 31.710202][ T337] netcons test #19-39 [ 31.725077][ T337] netconsole: netconsole: local port 1514 [ 31.725355][ T337] netconsole: netconsole: local IPv6 address 2001:db8:1::1 [ 31.725720][ T337] netconsole: netconsole: interface name 'enp1s0' [ 31.726026][ T337] netconsole: netconsole: local ethernet address '00:00:00:00:00:00' [ 31.726402][ T337] netconsole: netconsole: remote port 6666 [ 31.726740][ T337] netconsole: netconsole: remote IPv6 address 2001:db8:1::2 [ 31.727250][ T337] netconsole: netconsole: remote ethernet address 00:00:00:00:00:00 [ 31.763188][ T337] netconsole: network logging started