[ 24.788381][ T415] socat (415) used greatest stack depth: 21672 bytes left [ 24.788398][ T415] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.788401][ T415] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 415, name: socat [ 24.788402][ T415] preempt_count: 2, expected: 0 [ 24.788403][ T415] RCU nest depth: 0, expected: 0 [ 24.788404][ T415] locks held by socat/415: 5, last CPU#5: [ 24.788406][ T415] #0: ffffffff9da027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 24.788417][ T415] #1: ffffffff9db99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.788423][ T415] #2: ffffffff9db99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.788427][ T415] #3: ffffffff9da89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.788430][ T415] #4: ffffffff9da89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 24.788434][ T415] irq event stamp: 78462 [ 24.788435][ T415] hardirqs last enabled at (78461): [] __down_trylock_console_sem+0x86/0xa0 [ 24.788438][ T415] hardirqs last disabled at (78462): [] console_emit_next_record+0x3f8/0x4f0 [ 24.788440][ T415] softirqs last enabled at (77748): [] handle_softirqs+0x67c/0x900 [ 24.788442][ T415] softirqs last disabled at (76101): [] __irq_exit_rcu+0x145/0x1c0 [ 24.788444][ T415] Preemption disabled at: [ 24.788444][ T415] [<0000000000000000>] 0x0 [ 24.788451][ T415] CPU: 5 UID: 0 PID: 415 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.788454][ T415] Tainted: [W]=WARN [ 24.788455][ T415] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 24.788457][ T415] Call Trace: [ 24.788458][ T415] [ 24.788460][ T415] dump_stack_lvl+0x6f/0xa0 [ 24.788466][ T415] __might_resched.cold+0x1fe/0x2c1 [ 24.788471][ T415] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.788474][ T415] ? __kmalloc_noprof+0xdb/0x760 [ 24.788479][ T415] __kmalloc_noprof+0x443/0x760 [ 24.788482][ T415] ? alloc_buf.isra.0+0x4b/0x260 [ 24.788488][ T415] ? do_raw_spin_unlock+0x59/0x250 [ 24.788491][ T415] alloc_buf.isra.0+0x4b/0x260 [ 24.788495][ T415] put_chars+0x1e1/0x2f0 [ 24.788498][ T415] ? __send_to_port+0x420/0x420 [ 24.788500][ T415] ? printk_get_next_message+0x2fe/0x7d0 [ 24.788503][ T415] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.788506][ T415] ? validate_chain+0x38b/0xc20 [ 24.788509][ T415] hvc_console_print+0x292/0x780 [ 24.788513][ T415] ? __lock_acquire+0x518/0xc20 [ 24.788514][ T415] ? __lock_acquire+0x518/0xc20 [ 24.788519][ T415] ? hvc_write+0x3a0/0x3a0 [ 24.788522][ T415] ? rcu_is_watching+0x16/0xd0 [ 24.788525][ T415] ? lock_acquire+0x13c/0x160 [ 24.788528][ T415] console_emit_next_record+0x252/0x4f0 [ 24.788532][ T415] ? devkmsg_read+0x4e0/0x4e0 [ 24.788536][ T415] ? rcu_is_watching+0x16/0xd0 [ 24.788538][ T415] ? lock_acquire+0x13c/0x160 [ 24.788542][ T415] console_flush_one_record+0x46f/0x710 [ 24.788546][ T415] ? console_emit_next_record+0x4f0/0x4f0 [ 24.788548][ T415] ? __lock_acquire+0x518/0xc20 [ 24.788553][ T415] console_unlock+0xee/0x1f0 [ 24.788555][ T415] ? console_flush_one_record+0x710/0x710 [ 24.788557][ T415] ? rcu_is_watching+0x16/0xd0 [ 24.788559][ T415] ? lock_acquire+0xa0/0x160 [ 24.788563][ T415] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.788564][ T415] ? vprintk_emit+0x320/0x3e0 [ 24.788567][ T415] vprintk_emit+0x37c/0x3e0 [ 24.788571][ T415] ? wake_up_klogd_work_func+0x90/0x90 [ 24.788574][ T415] ? __lock_acquire+0x518/0xc20 [ 24.788578][ T415] _printk+0xc7/0x100 [ 24.788581][ T415] ? snapshot_read.cold+0x21/0x21 [ 24.788584][ T415] ? do_raw_spin_lock+0x131/0x280 [ 24.788586][ T415] ? __rwlock_init+0x150/0x150 [ 24.788590][ T415] ? do_raw_spin_lock+0x131/0x280 [ 24.788593][ T415] do_exit.cold+0x82/0x9c [ 24.788596][ T415] ? exit_notify+0x890/0x890 [ 24.788598][ T415] ? __lock_release.isra.0+0x69/0x1a0 [ 24.788601][ T415] ? rcu_is_watching+0x16/0xd0 [ 24.788605][ T415] do_group_exit+0xb8/0x370 [ 24.788608][ T415] __x64_sys_exit_group+0x3c/0x50 [ 24.788610][ T415] x64_sys_call+0x1567/0x1570 [ 24.788613][ T415] do_syscall_64+0xff/0x530 [ 24.788616][ T415] ? exc_page_fault+0xee/0x100 [ 24.788620][ T415] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.788622][ T415] RIP: 0033:0x7fe9279491b8 [ 24.788624][ T415] Code: Unable to access opcode bytes at 0x7fe92794918e. [ 24.788625][ T415] RSP: 002b:00007ffe70d219a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 24.788627][ T415] RAX: ffffffffffffffda RBX: 00007fe927a79f88 RCX: 00007fe9279491b8 [ 24.788629][ T415] RDX: 00007fe92782ee88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 24.788630][ T415] RBP: 00007ffe70d21a00 R08: 0000000000000000 R09: 0000000000004010 [ 24.788630][ T415] R10: 00007ffe70d21800 R11: 0000000000000246 R12: 0000000000000003 [ 24.788631][ T415] R13: 0000000000000000 R14: 00007fe927a78680 R15: 00007fe927a79fa0 [ 24.788638][ T415] [ 31.004573][ T504] socat (504) used greatest stack depth: 21288 bytes left [ 31.004588][ T504] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.004590][ T504] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 504, name: socat [ 31.004592][ T504] preempt_count: 2, expected: 0 [ 31.004592][ T504] RCU nest depth: 0, expected: 0 [ 31.004593][ T504] locks held by socat/504: 5, last CPU#3: [ 31.004595][ T504] #0: ffffffff9da027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 31.004607][ T504] #1: ffffffff9db99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.004612][ T504] #2: ffffffff9db99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.004615][ T504] #3: ffffffff9da89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.004619][ T504] #4: ffffffff9da89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 31.004623][ T504] irq event stamp: 94634 [ 31.004624][ T504] hardirqs last enabled at (94633): [] __down_trylock_console_sem+0x86/0xa0 [ 31.004626][ T504] hardirqs last disabled at (94634): [] console_emit_next_record+0x3f8/0x4f0 [ 31.004628][ T504] softirqs last enabled at (93334): [] unix_release_sock+0x446/0xe50 [ 31.004632][ T504] softirqs last disabled at (93332): [] unix_release_sock+0x39f/0xe50 [ 31.004634][ T504] Preemption disabled at: [ 31.004635][ T504] [<0000000000000000>] 0x0 [ 31.004641][ T504] CPU: 3 UID: 0 PID: 504 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.004645][ T504] Tainted: [W]=WARN [ 31.004646][ T504] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.004647][ T504] Call Trace: [ 31.004649][ T504] [ 31.004650][ T504] dump_stack_lvl+0x6f/0xa0 [ 31.004656][ T504] __might_resched.cold+0x1fe/0x2c1 [ 31.004661][ T504] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.004665][ T504] ? __kmalloc_noprof+0xdb/0x760 [ 31.004670][ T504] __kmalloc_noprof+0x443/0x760 [ 31.004672][ T504] ? alloc_buf.isra.0+0x4b/0x260 [ 31.004678][ T504] ? do_raw_spin_unlock+0x59/0x250 [ 31.004680][ T504] alloc_buf.isra.0+0x4b/0x260 [ 31.004684][ T504] put_chars+0x1e1/0x2f0 [ 31.004687][ T504] ? __send_to_port+0x420/0x420 [ 31.004689][ T504] ? printk_get_next_message+0x2fe/0x7d0 [ 31.004692][ T504] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.004695][ T504] ? validate_chain+0x38b/0xc20 [ 31.004699][ T504] hvc_console_print+0x292/0x780 [ 31.004702][ T504] ? __lock_acquire+0x518/0xc20 [ 31.004704][ T504] ? __lock_acquire+0x518/0xc20 [ 31.004708][ T504] ? hvc_write+0x3a0/0x3a0 [ 31.004711][ T504] ? rcu_is_watching+0x16/0xd0 [ 31.004714][ T504] ? lock_acquire+0x13c/0x160 [ 31.004717][ T504] console_emit_next_record+0x252/0x4f0 [ 31.004721][ T504] ? devkmsg_read+0x4e0/0x4e0 [ 31.004725][ T504] ? rcu_is_watching+0x16/0xd0 [ 31.004729][ T504] ? lock_acquire+0x13c/0x160 [ 31.004733][ T504] console_flush_one_record+0x46f/0x710 [ 31.004737][ T504] ? console_emit_next_record+0x4f0/0x4f0 [ 31.004739][ T504] ? __lock_acquire+0x518/0xc20 [ 31.004744][ T504] console_unlock+0xee/0x1f0 [ 31.004746][ T504] ? console_flush_one_record+0x710/0x710 [ 31.004748][ T504] ? rcu_is_watching+0x16/0xd0 [ 31.004750][ T504] ? lock_acquire+0xa0/0x160 [ 31.004754][ T504] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.004755][ T504] ? vprintk_emit+0x320/0x3e0 [ 31.004758][ T504] vprintk_emit+0x37c/0x3e0 [ 31.004762][ T504] ? wake_up_klogd_work_func+0x90/0x90 [ 31.004765][ T504] ? __lock_acquire+0x518/0xc20 [ 31.004769][ T504] _printk+0xc7/0x100 [ 31.004772][ T504] ? snapshot_read.cold+0x21/0x21 [ 31.004775][ T504] ? do_raw_spin_lock+0x131/0x280 [ 31.004777][ T504] ? __rwlock_init+0x150/0x150 [ 31.004781][ T504] ? do_raw_spin_lock+0x131/0x280 [ 31.004783][ T504] do_exit.cold+0x82/0x9c [ 31.004787][ T504] ? exit_notify+0x890/0x890 [ 31.004789][ T504] ? __lock_release.isra.0+0x69/0x1a0 [ 31.004791][ T504] ? rcu_is_watching+0x16/0xd0 [ 31.004795][ T504] do_group_exit+0xb8/0x370 [ 31.004798][ T504] __x64_sys_exit_group+0x3c/0x50 [ 31.004800][ T504] x64_sys_call+0x1567/0x1570 [ 31.004803][ T504] do_syscall_64+0xff/0x530 [ 31.004806][ T504] ? exc_page_fault+0xee/0x100 [ 31.004809][ T504] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.004812][ T504] RIP: 0033:0x7fd9ed8621b8 [ 31.004814][ T504] Code: Unable to access opcode bytes at 0x7fd9ed86218e. [ 31.004815][ T504] RSP: 002b:00007ffe1d13b698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.004817][ T504] RAX: ffffffffffffffda RBX: 00007fd9ed992f88 RCX: 00007fd9ed8621b8 [ 31.004818][ T504] RDX: 00007fd9ed747e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 31.004819][ T504] RBP: 00007ffe1d13b6f0 R08: 0000000000000000 R09: 0000000000004010 [ 31.004820][ T504] R10: 00007ffe1d13b4f0 R11: 0000000000000246 R12: 0000000000000003 [ 31.004821][ T504] R13: 0000000000000000 R14: 00007fd9ed991680 R15: 00007fd9ed992fa0 [ 31.004827][ T504]