[ 25.607230][ T415] socat (415) used greatest stack depth: 21672 bytes left [ 25.607251][ T415] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.607253][ T415] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 415, name: socat [ 25.607255][ T415] preempt_count: 2, expected: 0 [ 25.607255][ T415] RCU nest depth: 0, expected: 0 [ 25.607257][ T415] locks held by socat/415: 5, last CPU#0: [ 25.607259][ T415] #0: ffffffff858027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 25.607271][ T415] #1: ffffffff85999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.607277][ T415] #2: ffffffff85999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.607281][ T415] #3: ffffffff85889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.607285][ T415] #4: ffffffff85889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 25.607289][ T415] irq event stamp: 63104 [ 25.607290][ T415] hardirqs last enabled at (63103): [] __down_trylock_console_sem+0x86/0xa0 [ 25.607293][ T415] hardirqs last disabled at (63104): [] console_emit_next_record+0x3f8/0x4f0 [ 25.607295][ T415] softirqs last enabled at (61834): [] unix_release_sock+0x446/0xe50 [ 25.607299][ T415] softirqs last disabled at (61832): [] unix_release_sock+0x39f/0xe50 [ 25.607301][ T415] Preemption disabled at: [ 25.607302][ T415] [<0000000000000000>] 0x0 [ 25.607309][ T415] CPU: 0 UID: 0 PID: 415 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.607313][ T415] Tainted: [W]=WARN [ 25.607313][ T415] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.607315][ T415] Call Trace: [ 25.607317][ T415] [ 25.607319][ T415] dump_stack_lvl+0x6f/0xa0 [ 25.607325][ T415] __might_resched.cold+0x1fe/0x2c1 [ 25.607330][ T415] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.607334][ T415] ? __kmalloc_noprof+0xdb/0x760 [ 25.607339][ T415] __kmalloc_noprof+0x443/0x760 [ 25.607342][ T415] ? alloc_buf.isra.0+0x4b/0x260 [ 25.607351][ T415] ? do_raw_spin_unlock+0x59/0x250 [ 25.607354][ T415] alloc_buf.isra.0+0x4b/0x260 [ 25.607359][ T415] put_chars+0x1e1/0x2f0 [ 25.607362][ T415] ? __send_to_port+0x420/0x420 [ 25.607364][ T415] ? printk_get_next_message+0x2fe/0x7d0 [ 25.607367][ T415] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.607370][ T415] ? validate_chain+0x38b/0xc20 [ 25.607374][ T415] hvc_console_print+0x292/0x780 [ 25.607378][ T415] ? __lock_acquire+0x518/0xc20 [ 25.607380][ T415] ? __lock_acquire+0x518/0xc20 [ 25.607384][ T415] ? hvc_write+0x3a0/0x3a0 [ 25.607387][ T415] ? rcu_is_watching+0x16/0xd0 [ 25.607390][ T415] ? lock_acquire+0x13c/0x160 [ 25.607394][ T415] console_emit_next_record+0x252/0x4f0 [ 25.607397][ T415] ? devkmsg_read+0x4e0/0x4e0 [ 25.607401][ T415] ? rcu_is_watching+0x16/0xd0 [ 25.607404][ T415] ? lock_acquire+0x13c/0x160 [ 25.607407][ T415] console_flush_one_record+0x46f/0x710 [ 25.607411][ T415] ? console_emit_next_record+0x4f0/0x4f0 [ 25.607413][ T415] ? __lock_acquire+0x518/0xc20 [ 25.607418][ T415] console_unlock+0xee/0x1f0 [ 25.607420][ T415] ? console_flush_one_record+0x710/0x710 [ 25.607422][ T415] ? rcu_is_watching+0x16/0xd0 [ 25.607424][ T415] ? lock_acquire+0xa0/0x160 [ 25.607428][ T415] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.607429][ T415] ? vprintk_emit+0x320/0x3e0 [ 25.607433][ T415] vprintk_emit+0x37c/0x3e0 [ 25.607436][ T415] ? wake_up_klogd_work_func+0x90/0x90 [ 25.607440][ T415] ? __lock_acquire+0x518/0xc20 [ 25.607443][ T415] _printk+0xc7/0x100 [ 25.607446][ T415] ? snapshot_read.cold+0x21/0x21 [ 25.607449][ T415] ? do_raw_spin_lock+0x131/0x280 [ 25.607452][ T415] ? __rwlock_init+0x150/0x150 [ 25.607455][ T415] ? do_raw_spin_lock+0x131/0x280 [ 25.607458][ T415] do_exit.cold+0x82/0x9c [ 25.607461][ T415] ? exit_notify+0x890/0x890 [ 25.607463][ T415] ? __lock_release.isra.0+0x69/0x1a0 [ 25.607466][ T415] ? rcu_is_watching+0x16/0xd0 [ 25.607470][ T415] do_group_exit+0xb8/0x370 [ 25.607473][ T415] __x64_sys_exit_group+0x3c/0x50 [ 25.607476][ T415] x64_sys_call+0x1567/0x1570 [ 25.607478][ T415] do_syscall_64+0xff/0x530 [ 25.607481][ T415] ? exc_page_fault+0xee/0x100 [ 25.607485][ T415] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.607487][ T415] RIP: 0033:0x7fabc7b8e1b8 [ 25.607491][ T415] Code: Unable to access opcode bytes at 0x7fabc7b8e18e. [ 25.607493][ T415] RSP: 002b:00007ffdd41b3ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.607495][ T415] RAX: ffffffffffffffda RBX: 00007fabc7cbef88 RCX: 00007fabc7b8e1b8 [ 25.607497][ T415] RDX: 00007fabc7a73e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.607497][ T415] RBP: 00007ffdd41b3f20 R08: 0000000000000000 R09: 0000000000004010 [ 25.607498][ T415] R10: 00007ffdd41b3d20 R11: 0000000000000246 R12: 0000000000000003 [ 25.607499][ T415] R13: 0000000000000000 R14: 00007fabc7cbd680 R15: 00007fabc7cbefa0 [ 25.607506][ T415] [ 39.750045][ T614] socat (614) used greatest stack depth: 21608 bytes left [ 39.750064][ T614] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 39.750066][ T614] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 614, name: socat [ 39.750068][ T614] preempt_count: 2, expected: 0 [ 39.750069][ T614] RCU nest depth: 0, expected: 0 [ 39.750070][ T614] locks held by socat/614: 5, last CPU#0: [ 39.750072][ T614] #0: ffffffff858027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 39.750084][ T614] #1: ffffffff85999dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 39.750090][ T614] #2: ffffffff85999e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 39.750093][ T614] #3: ffffffff85889760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 39.750097][ T614] #4: ffffffff85889660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 39.750101][ T614] irq event stamp: 79580 [ 39.750102][ T614] hardirqs last enabled at (79579): [] __down_trylock_console_sem+0x86/0xa0 [ 39.750104][ T614] hardirqs last disabled at (79580): [] console_emit_next_record+0x3f8/0x4f0 [ 39.750106][ T614] softirqs last enabled at (78276): [] unix_release_sock+0x446/0xe50 [ 39.750110][ T614] softirqs last disabled at (78274): [] unix_release_sock+0x39f/0xe50 [ 39.750112][ T614] Preemption disabled at: [ 39.750113][ T614] [<0000000000000000>] 0x0 [ 39.750119][ T614] CPU: 0 UID: 0 PID: 614 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 39.750123][ T614] Tainted: [W]=WARN [ 39.750124][ T614] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.750125][ T614] Call Trace: [ 39.750127][ T614] [ 39.750128][ T614] dump_stack_lvl+0x6f/0xa0 [ 39.750134][ T614] __might_resched.cold+0x1fe/0x2c1 [ 39.750139][ T614] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 39.750143][ T614] ? __kmalloc_noprof+0xdb/0x760 [ 39.750148][ T614] __kmalloc_noprof+0x443/0x760 [ 39.750150][ T614] ? alloc_buf.isra.0+0x4b/0x260 [ 39.750156][ T614] ? do_raw_spin_unlock+0x59/0x250 [ 39.750159][ T614] alloc_buf.isra.0+0x4b/0x260 [ 39.750162][ T614] put_chars+0x1e1/0x2f0 [ 39.750165][ T614] ? __send_to_port+0x420/0x420 [ 39.750167][ T614] ? printk_get_next_message+0x2fe/0x7d0 [ 39.750171][ T614] ? rcu_read_lock_any_held+0x3c/0x90 [ 39.750173][ T614] ? validate_chain+0x38b/0xc20 [ 39.750177][ T614] hvc_console_print+0x292/0x780 [ 39.750181][ T614] ? __lock_acquire+0x518/0xc20 [ 39.750182][ T614] ? __lock_acquire+0x518/0xc20 [ 39.750187][ T614] ? hvc_write+0x3a0/0x3a0 [ 39.750190][ T614] ? rcu_is_watching+0x16/0xd0 [ 39.750193][ T614] ? lock_acquire+0x13c/0x160 [ 39.750197][ T614] console_emit_next_record+0x252/0x4f0 [ 39.750200][ T614] ? devkmsg_read+0x4e0/0x4e0 [ 39.750211][ T614] ? rcu_is_watching+0x16/0xd0 [ 39.750213][ T614] ? lock_acquire+0x13c/0x160 [ 39.750217][ T614] console_flush_one_record+0x46f/0x710 [ 39.750221][ T614] ? console_emit_next_record+0x4f0/0x4f0 [ 39.750223][ T614] ? __lock_acquire+0x518/0xc20 [ 39.750228][ T614] console_unlock+0xee/0x1f0 [ 39.750230][ T614] ? console_flush_one_record+0x710/0x710 [ 39.750232][ T614] ? rcu_is_watching+0x16/0xd0 [ 39.750234][ T614] ? lock_acquire+0xa0/0x160 [ 39.750238][ T614] ? __down_trylock_console_sem+0x5e/0xa0 [ 39.750240][ T614] ? vprintk_emit+0x320/0x3e0 [ 39.750243][ T614] vprintk_emit+0x37c/0x3e0 [ 39.750247][ T614] ? wake_up_klogd_work_func+0x90/0x90 [ 39.750250][ T614] ? __lock_acquire+0x518/0xc20 [ 39.750253][ T614] _printk+0xc7/0x100 [ 39.750257][ T614] ? snapshot_read.cold+0x21/0x21 [ 39.750259][ T614] ? do_raw_spin_lock+0x131/0x280 [ 39.750262][ T614] ? __rwlock_init+0x150/0x150 [ 39.750265][ T614] ? do_raw_spin_lock+0x131/0x280 [ 39.750268][ T614] do_exit.cold+0x82/0x9c [ 39.750272][ T614] ? exit_notify+0x890/0x890 [ 39.750274][ T614] ? __lock_release.isra.0+0x69/0x1a0 [ 39.750276][ T614] ? rcu_is_watching+0x16/0xd0 [ 39.750280][ T614] do_group_exit+0xb8/0x370 [ 39.750283][ T614] __x64_sys_exit_group+0x3c/0x50 [ 39.750286][ T614] x64_sys_call+0x1567/0x1570 [ 39.750288][ T614] do_syscall_64+0xff/0x530 [ 39.750292][ T614] ? exc_page_fault+0xee/0x100 [ 39.750295][ T614] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 39.750297][ T614] RIP: 0033:0x7fc66c5d21b8 [ 39.750300][ T614] Code: Unable to access opcode bytes at 0x7fc66c5d218e. [ 39.750301][ T614] RSP: 002b:00007ffc7096c658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 39.750303][ T614] RAX: ffffffffffffffda RBX: 00007fc66c702f88 RCX: 00007fc66c5d21b8 [ 39.750305][ T614] RDX: 00007fc66c4b7e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 39.750306][ T614] RBP: 00007ffc7096c6b0 R08: 0000000000000000 R09: 0000000000004010 [ 39.750307][ T614] R10: 00007ffc7096c4b0 R11: 0000000000000246 R12: 0000000000000003 [ 39.750307][ T614] R13: 0000000000000000 R14: 00007fc66c701680 R15: 00007fc66c702fa0 [ 39.750314][ T614]