[ 8.687164][ T132] mkdir (132) used greatest stack depth: 24352 bytes left [ 8.687180][ T132] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.687183][ T132] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 132, name: mkdir [ 8.687184][ T132] preempt_count: 2, expected: 0 [ 8.687185][ T132] RCU nest depth: 0, expected: 0 [ 8.687186][ T132] locks held by mkdir/132: 5, last CPU#3: [ 8.687188][ T132] #0: ffffffffb36027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.687201][ T132] #1: ffffffffb3769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.687207][ T132] #2: ffffffffb3769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.687210][ T132] #3: ffffffffb3689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.687213][ T132] #4: ffffffffb3689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.687217][ T132] irq event stamp: 18276 [ 8.687218][ T132] hardirqs last enabled at (18275): [] __down_trylock_console_sem+0x86/0xa0 [ 8.687221][ T132] hardirqs last disabled at (18276): [] console_emit_next_record+0x3d4/0x4c0 [ 8.687223][ T132] softirqs last enabled at (18104): [] handle_softirqs+0x67c/0x900 [ 8.687225][ T132] softirqs last disabled at (18027): [] __irq_exit_rcu+0x145/0x1c0 [ 8.687227][ T132] Preemption disabled at: [ 8.687228][ T132] [<0000000000000000>] 0x0 [ 8.687235][ T132] CPU: 3 UID: 0 PID: 132 Comm: mkdir Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.687238][ T132] Tainted: [W]=WARN [ 8.687239][ T132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.687241][ T132] Call Trace: [ 8.687242][ T132] [ 8.687244][ T132] dump_stack_lvl+0x6f/0xa0 [ 8.687249][ T132] __might_resched.cold+0x1fe/0x2c1 [ 8.687254][ T132] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.687257][ T132] ? __kmalloc_noprof+0xdb/0x760 [ 8.687263][ T132] __kmalloc_noprof+0x443/0x760 [ 8.687265][ T132] ? alloc_buf.isra.0+0x4b/0x260 [ 8.687272][ T132] ? do_raw_spin_unlock+0x59/0x250 [ 8.687275][ T132] alloc_buf.isra.0+0x4b/0x260 [ 8.687278][ T132] put_chars+0x1e1/0x2f0 [ 8.687281][ T132] ? __send_to_port+0x420/0x420 [ 8.687283][ T132] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.687287][ T132] ? validate_chain+0x38b/0xc20 [ 8.687292][ T132] hvc_console_print+0x292/0x780 [ 8.687299][ T132] ? hvc_write+0x3a0/0x3a0 [ 8.687302][ T132] ? rcu_is_watching+0x16/0xd0 [ 8.687304][ T132] ? lock_acquire+0x13c/0x160 [ 8.687308][ T132] console_emit_next_record+0x22f/0x4c0 [ 8.687311][ T132] ? devkmsg_read+0x4b0/0x4b0 [ 8.687313][ T132] ? console_flush_one_record+0x106/0x710 [ 8.687315][ T132] ? rcu_is_watching+0x16/0xd0 [ 8.687317][ T132] ? lock_acquire+0x13c/0x160 [ 8.687321][ T132] console_flush_one_record+0x46f/0x710 [ 8.687325][ T132] ? console_emit_next_record+0x4c0/0x4c0 [ 8.687326][ T132] ? __lock_acquire+0x518/0xc20 [ 8.687332][ T132] console_unlock+0xee/0x1f0 [ 8.687334][ T132] ? console_flush_one_record+0x710/0x710 [ 8.687335][ T132] ? rcu_is_watching+0x16/0xd0 [ 8.687337][ T132] ? lock_acquire+0x60/0x160 [ 8.687341][ T132] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.687343][ T132] ? vprintk_emit+0x320/0x3e0 [ 8.687346][ T132] vprintk_emit+0x37c/0x3e0 [ 8.687349][ T132] ? wake_up_klogd_work_func+0x90/0x90 [ 8.687352][ T132] ? __lock_acquire+0x518/0xc20 [ 8.687356][ T132] _printk+0xc7/0x100 [ 8.687360][ T132] ? snapshot_read.cold+0x21/0x21 [ 8.687363][ T132] ? do_raw_spin_lock+0x131/0x280 [ 8.687366][ T132] ? __rwlock_init+0x150/0x150 [ 8.687370][ T132] ? do_raw_spin_lock+0x131/0x280 [ 8.687373][ T132] do_exit.cold+0x82/0x9c [ 8.687376][ T132] ? exit_notify+0x890/0x890 [ 8.687378][ T132] ? __lock_release.isra.0+0x69/0x1a0 [ 8.687381][ T132] ? rcu_is_watching+0x16/0xd0 [ 8.687384][ T132] do_group_exit+0xb8/0x370 [ 8.687387][ T132] __x64_sys_exit_group+0x3c/0x50 [ 8.687389][ T132] x64_sys_call+0x1567/0x1570 [ 8.687392][ T132] do_syscall_64+0xff/0x530 [ 8.687396][ T132] ? exc_page_fault+0xee/0x100 [ 8.687399][ T132] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.687402][ T132] RIP: 0033:0x7f76c83311b8 [ 8.687404][ T132] Code: Unable to access opcode bytes at 0x7f76c833118e. [ 8.687405][ T132] RSP: 002b:00007ffec58c69f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.687408][ T132] RAX: ffffffffffffffda RBX: 00007f76c8461f88 RCX: 00007f76c83311b8 [ 8.687409][ T132] RDX: 00007f76c8192848 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 8.687410][ T132] RBP: 00007ffec58c6a50 R08: 0000000000000000 R09: 0000000000000001 [ 8.687411][ T132] R10: 00007ffec58c6870 R11: 0000000000000246 R12: 0000000000000002 [ 8.687412][ T132] R13: 0000000000000000 R14: 00007f76c8460680 R15: 00007f76c8461fa0 [ 8.687418][ T132] [ 11.062031][ T201] packetdrill (201) used greatest stack depth: 24248 bytes left [ 11.062047][ T201] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.062049][ T201] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 201, name: packetdrill [ 11.062051][ T201] preempt_count: 2, expected: 0 [ 11.062052][ T201] RCU nest depth: 0, expected: 0 [ 11.062053][ T201] locks held by packetdrill/201: 5, last CPU#1: [ 11.062055][ T201] #0: ffffffffb36027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.062067][ T201] #1: ffffffffb3769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.062072][ T201] #2: ffffffffb3769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.062075][ T201] #3: ffffffffb3689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.062079][ T201] #4: ffffffffb3689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.062082][ T201] irq event stamp: 3858550 [ 11.062083][ T201] hardirqs last enabled at (3858549): [] __down_trylock_console_sem+0x86/0xa0 [ 11.062086][ T201] hardirqs last disabled at (3858550): [] console_emit_next_record+0x3d4/0x4c0 [ 11.062088][ T201] softirqs last enabled at (3858334): [] tcp_close+0x2b/0xb0 [ 11.062092][ T201] softirqs last disabled at (3858332): [] release_sock+0x21/0x240 [ 11.062096][ T201] Preemption disabled at: [ 11.062096][ T201] [<0000000000000000>] 0x0 [ 11.062103][ T201] CPU: 1 UID: 0 PID: 201 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.062107][ T201] Tainted: [W]=WARN [ 11.062108][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.062109][ T201] Call Trace: [ 11.062111][ T201] [ 11.062113][ T201] dump_stack_lvl+0x6f/0xa0 [ 11.062118][ T201] __might_resched.cold+0x1fe/0x2c1 [ 11.062123][ T201] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.062126][ T201] ? __kmalloc_noprof+0xdb/0x760 [ 11.062132][ T201] __kmalloc_noprof+0x443/0x760 [ 11.062134][ T201] ? alloc_buf.isra.0+0x4b/0x260 [ 11.062140][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 11.062143][ T201] alloc_buf.isra.0+0x4b/0x260 [ 11.062146][ T201] put_chars+0x1e1/0x2f0 [ 11.062150][ T201] ? __send_to_port+0x420/0x420 [ 11.062151][ T201] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.062155][ T201] ? validate_chain+0x38b/0xc20 [ 11.062161][ T201] hvc_console_print+0x292/0x780 [ 11.062168][ T201] ? hvc_write+0x3a0/0x3a0 [ 11.062170][ T201] ? rcu_is_watching+0x16/0xd0 [ 11.062172][ T201] ? lock_acquire+0x13c/0x160 [ 11.062176][ T201] console_emit_next_record+0x22f/0x4c0 [ 11.062180][ T201] ? devkmsg_read+0x4b0/0x4b0 [ 11.062181][ T201] ? console_flush_one_record+0x106/0x710 [ 11.062184][ T201] ? rcu_is_watching+0x16/0xd0 [ 11.062186][ T201] ? lock_acquire+0x13c/0x160 [ 11.062190][ T201] console_flush_one_record+0x46f/0x710 [ 11.062194][ T201] ? console_emit_next_record+0x4c0/0x4c0 [ 11.062195][ T201] ? __lock_acquire+0x518/0xc20 [ 11.062201][ T201] console_unlock+0xee/0x1f0 [ 11.062203][ T201] ? console_flush_one_record+0x710/0x710 [ 11.062204][ T201] ? rcu_is_watching+0x16/0xd0 [ 11.062206][ T201] ? lock_acquire+0x60/0x160 [ 11.062210][ T201] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.062212][ T201] ? vprintk_emit+0x320/0x3e0 [ 11.062215][ T201] vprintk_emit+0x37c/0x3e0 [ 11.062218][ T201] ? wake_up_klogd_work_func+0x90/0x90 [ 11.062221][ T201] ? __lock_acquire+0x518/0xc20 [ 11.062225][ T201] _printk+0xc7/0x100 [ 11.062229][ T201] ? snapshot_read.cold+0x21/0x21 [ 11.062231][ T201] ? do_raw_spin_lock+0x131/0x280 [ 11.062234][ T201] ? __rwlock_init+0x150/0x150 [ 11.062238][ T201] ? do_raw_spin_lock+0x131/0x280 [ 11.062241][ T201] do_exit.cold+0x82/0x9c [ 11.062244][ T201] ? exit_notify+0x890/0x890 [ 11.062246][ T201] ? __lock_release.isra.0+0x69/0x1a0 [ 11.062249][ T201] ? rcu_is_watching+0x16/0xd0 [ 11.062253][ T201] do_group_exit+0xb8/0x370 [ 11.062256][ T201] __x64_sys_exit_group+0x3c/0x50 [ 11.062258][ T201] x64_sys_call+0x1567/0x1570 [ 11.062261][ T201] do_syscall_64+0xff/0x530 [ 11.062264][ T201] ? irq_exit_rcu+0x1a/0x30 [ 11.062268][ T201] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.062270][ T201] RIP: 0033:0x479678 [ 11.062272][ T201] Code: Unable to access opcode bytes at 0x47964e. [ 11.062273][ T201] RSP: 002b:00007ffd1e9fef38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.062276][ T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 11.062277][ T201] RDX: 0000000017389708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 11.062278][ T201] RBP: 00007ffd1e9fef90 R08: 0000000000000000 R09: 000000001738a3e0 [ 11.062279][ T201] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd1e9ff0c8 [ 11.062280][ T201] R13: 00007ffd1e9ff150 R14: 0000000000000000 R15: 000000000054d560 [ 11.062286][ T201]