[ 44.831926][ T610] socat (610) used greatest stack depth: 21608 bytes left [ 44.831948][ T610] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 44.831950][ T610] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 610, name: socat [ 44.831952][ T610] preempt_count: 2, expected: 0 [ 44.831953][ T610] RCU nest depth: 0, expected: 0 [ 44.831954][ T610] locks held by socat/610: 5, last CPU#5: [ 44.831956][ T610] #0: ffffffff9ea027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 44.831969][ T610] #1: ffffffff9eb99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 44.831975][ T610] #2: ffffffff9eb99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 44.831979][ T610] #3: ffffffff9ea89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 44.831983][ T610] #4: ffffffff9ea89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 44.831987][ T610] irq event stamp: 82234 [ 44.831988][ T610] hardirqs last enabled at (82233): [] __down_trylock_console_sem+0x86/0xa0 [ 44.831991][ T610] hardirqs last disabled at (82234): [] console_emit_next_record+0x3f8/0x4f0 [ 44.831993][ T610] softirqs last enabled at (81780): [] handle_softirqs+0x67c/0x900 [ 44.831995][ T610] softirqs last disabled at (81775): [] __irq_exit_rcu+0x145/0x1c0 [ 44.831997][ T610] Preemption disabled at: [ 44.831998][ T610] [<0000000000000000>] 0x0 [ 44.832005][ T610] CPU: 5 UID: 0 PID: 610 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 44.832009][ T610] Tainted: [W]=WARN [ 44.832010][ T610] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.832012][ T610] Call Trace: [ 44.832013][ T610] [ 44.832015][ T610] dump_stack_lvl+0x6f/0xa0 [ 44.832021][ T610] __might_resched.cold+0x1fe/0x2c1 [ 44.832026][ T610] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 44.832031][ T610] ? __kmalloc_noprof+0xdb/0x760 [ 44.832036][ T610] __kmalloc_noprof+0x443/0x760 [ 44.832039][ T610] ? alloc_buf.isra.0+0x4b/0x260 [ 44.832046][ T610] ? do_raw_spin_unlock+0x59/0x250 [ 44.832049][ T610] alloc_buf.isra.0+0x4b/0x260 [ 44.832052][ T610] put_chars+0x1e1/0x2f0 [ 44.832056][ T610] ? __send_to_port+0x420/0x420 [ 44.832058][ T610] ? printk_get_next_message+0x2fe/0x7d0 [ 44.832062][ T610] ? rcu_read_lock_any_held+0x3c/0x90 [ 44.832064][ T610] ? validate_chain+0x38b/0xc20 [ 44.832069][ T610] hvc_console_print+0x292/0x780 [ 44.832072][ T610] ? __lock_acquire+0x518/0xc20 [ 44.832074][ T610] ? __lock_acquire+0x518/0xc20 [ 44.832079][ T610] ? hvc_write+0x3a0/0x3a0 [ 44.832082][ T610] ? rcu_is_watching+0x16/0xd0 [ 44.832085][ T610] ? lock_acquire+0x13c/0x160 [ 44.832089][ T610] console_emit_next_record+0x252/0x4f0 [ 44.832093][ T610] ? devkmsg_read+0x4e0/0x4e0 [ 44.832098][ T610] ? rcu_is_watching+0x16/0xd0 [ 44.832100][ T610] ? lock_acquire+0x13c/0x160 [ 44.832104][ T610] console_flush_one_record+0x46f/0x710 [ 44.832108][ T610] ? console_emit_next_record+0x4f0/0x4f0 [ 44.832110][ T610] ? __lock_acquire+0x518/0xc20 [ 44.832116][ T610] console_unlock+0xee/0x1f0 [ 44.832119][ T610] ? console_flush_one_record+0x710/0x710 [ 44.832121][ T610] ? rcu_is_watching+0x16/0xd0 [ 44.832123][ T610] ? lock_acquire+0xa0/0x160 [ 44.832127][ T610] ? __down_trylock_console_sem+0x5e/0xa0 [ 44.832128][ T610] ? vprintk_emit+0x320/0x3e0 [ 44.832132][ T610] vprintk_emit+0x37c/0x3e0 [ 44.832136][ T610] ? wake_up_klogd_work_func+0x90/0x90 [ 44.832140][ T610] ? __lock_acquire+0x518/0xc20 [ 44.832143][ T610] _printk+0xc7/0x100 [ 44.832147][ T610] ? snapshot_read.cold+0x21/0x21 [ 44.832150][ T610] ? do_raw_spin_lock+0x131/0x280 [ 44.832153][ T610] ? __rwlock_init+0x150/0x150 [ 44.832157][ T610] ? do_raw_spin_lock+0x131/0x280 [ 44.832159][ T610] do_exit.cold+0x82/0x9c [ 44.832163][ T610] ? exit_notify+0x890/0x890 [ 44.832165][ T610] ? __lock_release.isra.0+0x69/0x1a0 [ 44.832168][ T610] ? rcu_is_watching+0x16/0xd0 [ 44.832173][ T610] do_group_exit+0xb8/0x370 [ 44.832176][ T610] __x64_sys_exit_group+0x3c/0x50 [ 44.832179][ T610] x64_sys_call+0x1567/0x1570 [ 44.832182][ T610] do_syscall_64+0xff/0x530 [ 44.832186][ T610] ? exc_page_fault+0xee/0x100 [ 44.832189][ T610] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 44.832192][ T610] RIP: 0033:0x7fe6485e01b8 [ 44.832194][ T610] Code: Unable to access opcode bytes at 0x7fe6485e018e. [ 44.832195][ T610] RSP: 002b:00007ffdc3b385a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 44.832198][ T610] RAX: ffffffffffffffda RBX: 00007fe648710f88 RCX: 00007fe6485e01b8 [ 44.832199][ T610] RDX: 00007fe6484c5e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 44.832200][ T610] RBP: 00007ffdc3b38600 R08: 0000000000000000 R09: 0000000000004010 [ 44.832201][ T610] R10: 00007ffdc3b38400 R11: 0000000000000246 R12: 0000000000000003 [ 44.832202][ T610] R13: 0000000000000000 R14: 00007fe64870f680 R15: 00007fe648710fa0 [ 44.832210][ T610] [ 55.091410][ T349] python3 (349) used greatest stack depth: 21584 bytes left [ 55.091436][ T349] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 55.091440][ T349] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 349, name: python3 [ 55.091442][ T349] preempt_count: 2, expected: 0 [ 55.091444][ T349] RCU nest depth: 0, expected: 0 [ 55.091446][ T349] locks held by python3/349: 5, last CPU#4: [ 55.091449][ T349] #0: ffffffff9ea027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 55.091470][ T349] #1: ffffffff9eb99dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 55.091479][ T349] #2: ffffffff9eb99e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 55.091485][ T349] #3: ffffffff9ea89760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 55.091492][ T349] #4: ffffffff9ea89660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 55.091499][ T349] irq event stamp: 3608850 [ 55.091500][ T349] hardirqs last enabled at (3608849): [] __down_trylock_console_sem+0x86/0xa0 [ 55.091504][ T349] hardirqs last disabled at (3608850): [] console_emit_next_record+0x3f8/0x4f0 [ 55.091507][ T349] softirqs last enabled at (3608828): [] handle_softirqs+0x67c/0x900 [ 55.091510][ T349] softirqs last disabled at (3607475): [] __irq_exit_rcu+0x145/0x1c0 [ 55.091514][ T349] Preemption disabled at: [ 55.091515][ T349] [<0000000000000000>] 0x0 [ 55.091524][ T349] CPU: 4 UID: 0 PID: 349 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 55.091529][ T349] Tainted: [W]=WARN [ 55.091530][ T349] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 55.091533][ T349] Call Trace: [ 55.091535][ T349] [ 55.091537][ T349] dump_stack_lvl+0x6f/0xa0 [ 55.091545][ T349] __might_resched.cold+0x1fe/0x2c1 [ 55.091551][ T349] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 55.091557][ T349] ? __kmalloc_noprof+0xdb/0x760 [ 55.091565][ T349] __kmalloc_noprof+0x443/0x760 [ 55.091568][ T349] ? alloc_buf.isra.0+0x4b/0x260 [ 55.091578][ T349] ? do_raw_spin_unlock+0x59/0x250 [ 55.091582][ T349] alloc_buf.isra.0+0x4b/0x260 [ 55.091587][ T349] put_chars+0x1e1/0x2f0 [ 55.091592][ T349] ? __send_to_port+0x420/0x420 [ 55.091595][ T349] ? printk_get_next_message+0x2fe/0x7d0 [ 55.091601][ T349] ? rcu_read_lock_any_held+0x3c/0x90 [ 55.091605][ T349] ? validate_chain+0x38b/0xc20 [ 55.091612][ T349] hvc_console_print+0x292/0x780 [ 55.091617][ T349] ? __lock_acquire+0x518/0xc20 [ 55.091620][ T349] ? __lock_acquire+0x518/0xc20 [ 55.091628][ T349] ? hvc_write+0x3a0/0x3a0 [ 55.091634][ T349] ? rcu_is_watching+0x16/0xd0 [ 55.091639][ T349] ? lock_acquire+0x13c/0x160 [ 55.091646][ T349] console_emit_next_record+0x252/0x4f0 [ 55.091652][ T349] ? devkmsg_read+0x4e0/0x4e0 [ 55.091660][ T349] ? rcu_is_watching+0x16/0xd0 [ 55.091664][ T349] ? lock_acquire+0x13c/0x160 [ 55.091671][ T349] console_flush_one_record+0x46f/0x710 [ 55.091678][ T349] ? console_emit_next_record+0x4f0/0x4f0 [ 55.091681][ T349] ? __lock_acquire+0x518/0xc20 [ 55.091690][ T349] console_unlock+0xee/0x1f0 [ 55.091695][ T349] ? console_flush_one_record+0x710/0x710 [ 55.091697][ T349] ? rcu_is_watching+0x16/0xd0 [ 55.091701][ T349] ? lock_acquire+0xa0/0x160 [ 55.091707][ T349] ? __down_trylock_console_sem+0x5e/0xa0 [ 55.091710][ T349] ? vprintk_emit+0x320/0x3e0 [ 55.091715][ T349] vprintk_emit+0x37c/0x3e0 [ 55.091721][ T349] ? wake_up_klogd_work_func+0x90/0x90 [ 55.091724][ T349] ? do_raw_spin_unlock+0x59/0x250 [ 55.091729][ T349] ? __lock_acquire+0x518/0xc20 [ 55.091735][ T349] _printk+0xc7/0x100 [ 55.091740][ T349] ? snapshot_read.cold+0x21/0x21 [ 55.091744][ T349] ? do_raw_spin_lock+0x131/0x280 [ 55.091748][ T349] ? __rwlock_init+0x150/0x150 [ 55.091754][ T349] ? do_raw_spin_lock+0x131/0x280 [ 55.091759][ T349] do_exit.cold+0x82/0x9c [ 55.091764][ T349] ? exit_notify+0x890/0x890 [ 55.091767][ T349] ? __lock_release.isra.0+0x69/0x1a0 [ 55.091771][ T349] ? rcu_is_watching+0x16/0xd0 [ 55.091778][ T349] do_group_exit+0xb8/0x370 [ 55.091784][ T349] __x64_sys_exit_group+0x3c/0x50 [ 55.091788][ T349] x64_sys_call+0x1567/0x1570 [ 55.091792][ T349] do_syscall_64+0xff/0x530 [ 55.091797][ T349] ? exc_page_fault+0xee/0x100 [ 55.091802][ T349] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 55.091806][ T349] RIP: 0033:0x7f9bc270d1b8 [ 55.091809][ T349] Code: Unable to access opcode bytes at 0x7f9bc270d18e. [ 55.091810][ T349] RSP: 002b:00007ffce82a0e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 55.091814][ T349] RAX: ffffffffffffffda RBX: 00007f9bc283df88 RCX: 00007f9bc270d1b8 [ 55.091816][ T349] RDX: 00007f9bc2535708 RSI: ffffffffffffff90 RDI: 0000000000000001 [ 55.091818][ T349] RBP: 00007ffce82a0e60 R08: 0000000000000000 R09: 0000000000000001 [ 55.091820][ T349] R10: 00007f9bc2bf73f5 R11: 0000000000000246 R12: 0000000000000002 [ 55.091821][ T349] R13: 0000000000000001 R14: 00007f9bc283c680 R15: 00007f9bc283dfa0 [ 55.091834][ T349]