[ 12.316184][ T201] packetdrill (201) used greatest stack depth: 24536 bytes left [ 12.316200][ T201] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.316202][ T201] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 201, name: packetdrill [ 12.316204][ T201] preempt_count: 2, expected: 0 [ 12.316204][ T201] RCU nest depth: 0, expected: 0 [ 12.316206][ T201] locks held by packetdrill/201: 5, last CPU#2: [ 12.316208][ T201] #0: ffffffffb0a027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.316220][ T201] #1: ffffffffb0b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.316225][ T201] #2: ffffffffb0b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.316228][ T201] #3: ffffffffb0a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.316232][ T201] #4: ffffffffb0a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.316236][ T201] irq event stamp: 4034304 [ 12.316237][ T201] hardirqs last enabled at (4034303): [] __down_trylock_console_sem+0x86/0xa0 [ 12.316240][ T201] hardirqs last disabled at (4034304): [] console_emit_next_record+0x3d4/0x4c0 [ 12.316242][ T201] softirqs last enabled at (4034060): [] tcp_close+0x2b/0xb0 [ 12.316246][ T201] softirqs last disabled at (4034058): [] release_sock+0x21/0x240 [ 12.316249][ T201] Preemption disabled at: [ 12.316250][ T201] [<0000000000000000>] 0x0 [ 12.316257][ T201] CPU: 2 UID: 0 PID: 201 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.316261][ T201] Tainted: [W]=WARN [ 12.316261][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.316263][ T201] Call Trace: [ 12.316265][ T201] [ 12.316267][ T201] dump_stack_lvl+0x6f/0xa0 [ 12.316272][ T201] __might_resched.cold+0x1fe/0x2c1 [ 12.316277][ T201] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.316280][ T201] ? __kmalloc_noprof+0xdb/0x760 [ 12.316285][ T201] __kmalloc_noprof+0x443/0x760 [ 12.316288][ T201] ? alloc_buf.isra.0+0x4b/0x260 [ 12.316294][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 12.316297][ T201] alloc_buf.isra.0+0x4b/0x260 [ 12.316300][ T201] put_chars+0x1e1/0x2f0 [ 12.316303][ T201] ? __send_to_port+0x420/0x420 [ 12.316305][ T201] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.316309][ T201] ? validate_chain+0x38b/0xc20 [ 12.316314][ T201] hvc_console_print+0x292/0x780 [ 12.316321][ T201] ? hvc_write+0x3a0/0x3a0 [ 12.316323][ T201] ? rcu_is_watching+0x16/0xd0 [ 12.316325][ T201] ? lock_acquire+0x13c/0x160 [ 12.316329][ T201] console_emit_next_record+0x22f/0x4c0 [ 12.316333][ T201] ? devkmsg_read+0x4b0/0x4b0 [ 12.316334][ T201] ? console_flush_one_record+0x106/0x710 [ 12.316337][ T201] ? rcu_is_watching+0x16/0xd0 [ 12.316339][ T201] ? lock_acquire+0x13c/0x160 [ 12.316343][ T201] console_flush_one_record+0x46f/0x710 [ 12.316347][ T201] ? console_emit_next_record+0x4c0/0x4c0 [ 12.316348][ T201] ? __lock_acquire+0x518/0xc20 [ 12.316353][ T201] console_unlock+0xee/0x1f0 [ 12.316356][ T201] ? console_flush_one_record+0x710/0x710 [ 12.316357][ T201] ? rcu_is_watching+0x16/0xd0 [ 12.316359][ T201] ? lock_acquire+0x60/0x160 [ 12.316363][ T201] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.316365][ T201] ? vprintk_emit+0x320/0x3e0 [ 12.316368][ T201] vprintk_emit+0x37c/0x3e0 [ 12.316371][ T201] ? wake_up_klogd_work_func+0x90/0x90 [ 12.316372][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 12.316375][ T201] ? __lock_acquire+0x518/0xc20 [ 12.316379][ T201] _printk+0xc7/0x100 [ 12.316383][ T201] ? snapshot_read.cold+0x21/0x21 [ 12.316386][ T201] ? do_raw_spin_lock+0x131/0x280 [ 12.316389][ T201] ? __rwlock_init+0x150/0x150 [ 12.316393][ T201] ? do_raw_spin_lock+0x131/0x280 [ 12.316396][ T201] do_exit.cold+0x82/0x9c [ 12.316399][ T201] ? exit_notify+0x890/0x890 [ 12.316401][ T201] ? __lock_release.isra.0+0x69/0x1a0 [ 12.316404][ T201] ? rcu_is_watching+0x16/0xd0 [ 12.316407][ T201] do_group_exit+0xb8/0x370 [ 12.316410][ T201] __x64_sys_exit_group+0x3c/0x50 [ 12.316412][ T201] x64_sys_call+0x1567/0x1570 [ 12.316415][ T201] do_syscall_64+0xff/0x530 [ 12.316419][ T201] ? irq_exit_rcu+0x1a/0x30 [ 12.316422][ T201] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.316424][ T201] RIP: 0033:0x479678 [ 12.316426][ T201] Code: Unable to access opcode bytes at 0x47964e. [ 12.316427][ T201] RSP: 002b:00007ffed4be7f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.316430][ T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.316431][ T201] RDX: 000000003bb35708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.316432][ T201] RBP: 00007ffed4be7fe0 R08: 0000000000000000 R09: 000000003bb363e0 [ 12.316433][ T201] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffed4be8118 [ 12.316434][ T201] R13: 00007ffed4be81a0 R14: 0000000000000000 R15: 000000000054d560 [ 12.316441][ T201]