[ 12.751805][ T167] packetdrill (167) used greatest stack depth: 24664 bytes left [ 12.751821][ T167] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.751823][ T167] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 167, name: packetdrill [ 12.751824][ T167] preempt_count: 2, expected: 0 [ 12.751825][ T167] RCU nest depth: 0, expected: 0 [ 12.751826][ T167] locks held by packetdrill/167: 5, last CPU#0: [ 12.751828][ T167] #0: ffffffffa7c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.751840][ T167] #1: ffffffffa7d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.751846][ T167] #2: ffffffffa7d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.751849][ T167] #3: ffffffffa7c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.751852][ T167] #4: ffffffffa7c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.751856][ T167] irq event stamp: 4024064 [ 12.751857][ T167] hardirqs last enabled at (4024063): [] __down_trylock_console_sem+0x86/0xa0 [ 12.751860][ T167] hardirqs last disabled at (4024064): [] console_emit_next_record+0x3d4/0x4c0 [ 12.751862][ T167] softirqs last enabled at (4023818): [] tcp_close+0x2b/0xb0 [ 12.751866][ T167] softirqs last disabled at (4023816): [] release_sock+0x21/0x240 [ 12.751870][ T167] Preemption disabled at: [ 12.751870][ T167] [<0000000000000000>] 0x0 [ 12.751877][ T167] CPU: 0 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.751881][ T167] Tainted: [W]=WARN [ 12.751882][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.751884][ T167] Call Trace: [ 12.751886][ T167] [ 12.751888][ T167] dump_stack_lvl+0x6f/0xa0 [ 12.751895][ T167] __might_resched.cold+0x1fe/0x2c1 [ 12.751900][ T167] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.751904][ T167] ? __kmalloc_noprof+0xdb/0x760 [ 12.751909][ T167] __kmalloc_noprof+0x443/0x760 [ 12.751912][ T167] ? alloc_buf.isra.0+0x4b/0x260 [ 12.751918][ T167] ? do_raw_spin_unlock+0x59/0x250 [ 12.751921][ T167] alloc_buf.isra.0+0x4b/0x260 [ 12.751924][ T167] put_chars+0x1e1/0x2f0 [ 12.751927][ T167] ? __send_to_port+0x420/0x420 [ 12.751929][ T167] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.751933][ T167] ? validate_chain+0x38b/0xc20 [ 12.751939][ T167] hvc_console_print+0x292/0x780 [ 12.751945][ T167] ? hvc_write+0x3a0/0x3a0 [ 12.751948][ T167] ? rcu_is_watching+0x16/0xd0 [ 12.751950][ T167] ? lock_acquire+0x13c/0x160 [ 12.751954][ T167] console_emit_next_record+0x22f/0x4c0 [ 12.751958][ T167] ? devkmsg_read+0x4b0/0x4b0 [ 12.751959][ T167] ? console_flush_one_record+0x106/0x710 [ 12.751962][ T167] ? rcu_is_watching+0x16/0xd0 [ 12.751964][ T167] ? lock_acquire+0x13c/0x160 [ 12.751968][ T167] console_flush_one_record+0x46f/0x710 [ 12.751971][ T167] ? console_emit_next_record+0x4c0/0x4c0 [ 12.751973][ T167] ? __lock_acquire+0x518/0xc20 [ 12.751978][ T167] console_unlock+0xee/0x1f0 [ 12.751981][ T167] ? console_flush_one_record+0x710/0x710 [ 12.751982][ T167] ? rcu_is_watching+0x16/0xd0 [ 12.751984][ T167] ? lock_acquire+0x60/0x160 [ 12.751988][ T167] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.751990][ T167] ? vprintk_emit+0x320/0x3e0 [ 12.751993][ T167] vprintk_emit+0x37c/0x3e0 [ 12.751996][ T167] ? wake_up_klogd_work_func+0x90/0x90 [ 12.751997][ T167] ? do_raw_spin_unlock+0x59/0x250 [ 12.752001][ T167] ? __lock_acquire+0x518/0xc20 [ 12.752004][ T167] _printk+0xc7/0x100 [ 12.752008][ T167] ? snapshot_read.cold+0x21/0x21 [ 12.752011][ T167] ? do_raw_spin_lock+0x131/0x280 [ 12.752014][ T167] ? __rwlock_init+0x150/0x150 [ 12.752018][ T167] ? do_raw_spin_lock+0x131/0x280 [ 12.752021][ T167] do_exit.cold+0x82/0x9c [ 12.752024][ T167] ? exit_notify+0x890/0x890 [ 12.752026][ T167] ? __lock_release.isra.0+0x69/0x1a0 [ 12.752029][ T167] ? rcu_is_watching+0x16/0xd0 [ 12.752033][ T167] do_group_exit+0xb8/0x370 [ 12.752036][ T167] __x64_sys_exit_group+0x3c/0x50 [ 12.752038][ T167] x64_sys_call+0x1567/0x1570 [ 12.752041][ T167] do_syscall_64+0xff/0x530 [ 12.752044][ T167] ? irq_exit_rcu+0x1a/0x30 [ 12.752047][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.752050][ T167] RIP: 0033:0x479678 [ 12.752052][ T167] Code: Unable to access opcode bytes at 0x47964e. [ 12.752053][ T167] RSP: 002b:00007fff41e8d448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.752055][ T167] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.752057][ T167] RDX: 000000003ec69708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.752058][ T167] RBP: 00007fff41e8d4a0 R08: 0000000000000000 R09: 000000003ec6a3e0 [ 12.752059][ T167] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff41e8d5d8 [ 12.752060][ T167] R13: 00007fff41e8d660 R14: 0000000000000000 R15: 000000000054d560 [ 12.752066][ T167] [ 16.406011][ T199] packetdrill (199) used greatest stack depth: 24224 bytes left [ 16.406028][ T199] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.406030][ T199] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 199, name: packetdrill [ 16.406031][ T199] preempt_count: 2, expected: 0 [ 16.406032][ T199] RCU nest depth: 0, expected: 0 [ 16.406033][ T199] locks held by packetdrill/199: 5, last CPU#3: [ 16.406036][ T199] #0: ffffffffa7c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 16.406048][ T199] #1: ffffffffa7d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.406053][ T199] #2: ffffffffa7d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.406056][ T199] #3: ffffffffa7c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.406060][ T199] #4: ffffffffa7c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.406063][ T199] irq event stamp: 4113906 [ 16.406064][ T199] hardirqs last enabled at (4113905): [] __down_trylock_console_sem+0x86/0xa0 [ 16.406067][ T199] hardirqs last disabled at (4113906): [] console_emit_next_record+0x3d4/0x4c0 [ 16.406069][ T199] softirqs last enabled at (4113662): [] tcp_close+0x2b/0xb0 [ 16.406073][ T199] softirqs last disabled at (4113660): [] release_sock+0x21/0x240 [ 16.406076][ T199] Preemption disabled at: [ 16.406077][ T199] [<0000000000000000>] 0x0 [ 16.406084][ T199] CPU: 3 UID: 0 PID: 199 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.406087][ T199] Tainted: [W]=WARN [ 16.406088][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.406089][ T199] Call Trace: [ 16.406091][ T199] [ 16.406093][ T199] dump_stack_lvl+0x6f/0xa0 [ 16.406098][ T199] __might_resched.cold+0x1fe/0x2c1 [ 16.406102][ T199] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.406105][ T199] ? __kmalloc_noprof+0xdb/0x760 [ 16.406110][ T199] __kmalloc_noprof+0x443/0x760 [ 16.406113][ T199] ? alloc_buf.isra.0+0x4b/0x260 [ 16.406118][ T199] ? do_raw_spin_unlock+0x59/0x250 [ 16.406121][ T199] alloc_buf.isra.0+0x4b/0x260 [ 16.406124][ T199] put_chars+0x1e1/0x2f0 [ 16.406127][ T199] ? __send_to_port+0x420/0x420 [ 16.406129][ T199] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.406133][ T199] ? validate_chain+0x38b/0xc20 [ 16.406138][ T199] hvc_console_print+0x292/0x780 [ 16.406145][ T199] ? hvc_write+0x3a0/0x3a0 [ 16.406147][ T199] ? rcu_is_watching+0x16/0xd0 [ 16.406149][ T199] ? lock_acquire+0x13c/0x160 [ 16.406153][ T199] console_emit_next_record+0x22f/0x4c0 [ 16.406156][ T199] ? devkmsg_read+0x4b0/0x4b0 [ 16.406157][ T199] ? console_flush_one_record+0x106/0x710 [ 16.406160][ T199] ? rcu_is_watching+0x16/0xd0 [ 16.406161][ T199] ? lock_acquire+0x13c/0x160 [ 16.406165][ T199] console_flush_one_record+0x46f/0x710 [ 16.406169][ T199] ? console_emit_next_record+0x4c0/0x4c0 [ 16.406170][ T199] ? __lock_acquire+0x518/0xc20 [ 16.406175][ T199] console_unlock+0xee/0x1f0 [ 16.406178][ T199] ? console_flush_one_record+0x710/0x710 [ 16.406179][ T199] ? rcu_is_watching+0x16/0xd0 [ 16.406181][ T199] ? lock_acquire+0x60/0x160 [ 16.406184][ T199] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.406186][ T199] ? vprintk_emit+0x320/0x3e0 [ 16.406189][ T199] vprintk_emit+0x37c/0x3e0 [ 16.406192][ T199] ? wake_up_klogd_work_func+0x90/0x90 [ 16.406193][ T199] ? do_raw_spin_unlock+0x59/0x250 [ 16.406196][ T199] ? __lock_acquire+0x518/0xc20 [ 16.406200][ T199] _printk+0xc7/0x100 [ 16.406204][ T199] ? snapshot_read.cold+0x21/0x21 [ 16.406206][ T199] ? do_raw_spin_lock+0x131/0x280 [ 16.406209][ T199] ? __rwlock_init+0x150/0x150 [ 16.406213][ T199] ? do_raw_spin_lock+0x131/0x280 [ 16.406216][ T199] do_exit.cold+0x82/0x9c [ 16.406219][ T199] ? exit_notify+0x890/0x890 [ 16.406221][ T199] ? __lock_release.isra.0+0x69/0x1a0 [ 16.406223][ T199] ? rcu_is_watching+0x16/0xd0 [ 16.406227][ T199] do_group_exit+0xb8/0x370 [ 16.406230][ T199] __x64_sys_exit_group+0x3c/0x50 [ 16.406232][ T199] x64_sys_call+0x1567/0x1570 [ 16.406234][ T199] do_syscall_64+0xff/0x530 [ 16.406237][ T199] ? irq_exit_rcu+0x1a/0x30 [ 16.406240][ T199] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.406243][ T199] RIP: 0033:0x479678 [ 16.406245][ T199] Code: Unable to access opcode bytes at 0x47964e. [ 16.406245][ T199] RSP: 002b:00007ffdc9ec8b48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.406248][ T199] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 16.406249][ T199] RDX: 000000002f6cd708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 16.406250][ T199] RBP: 00007ffdc9ec8ba0 R08: 0000000000000000 R09: 000000002f6ce3e0 [ 16.406251][ T199] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffdc9ec8cd8 [ 16.406252][ T199] R13: 00007ffdc9ec8d60 R14: 0000000000000000 R15: 000000000054d560 [ 16.406258][ T199]