[ 10.901783][ T232] packetdrill (232) used greatest stack depth: 24136 bytes left [ 10.901798][ T232] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.901800][ T232] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 232, name: packetdrill [ 10.901802][ T232] preempt_count: 2, expected: 0 [ 10.901803][ T232] RCU nest depth: 0, expected: 0 [ 10.901804][ T232] locks held by packetdrill/232: 5, last CPU#2: [ 10.901806][ T232] #0: ffffffffaf2027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.901818][ T232] #1: ffffffffaf369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.901822][ T232] #2: ffffffffaf369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.901825][ T232] #3: ffffffffaf289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.901829][ T232] #4: ffffffffaf289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.901832][ T232] irq event stamp: 4271218 [ 10.901833][ T232] hardirqs last enabled at (4271217): [] __down_trylock_console_sem+0x86/0xa0 [ 10.901836][ T232] hardirqs last disabled at (4271218): [] console_emit_next_record+0x3d4/0x4c0 [ 10.901838][ T232] softirqs last enabled at (4270970): [] tcp_close+0x2b/0xb0 [ 10.901842][ T232] softirqs last disabled at (4270968): [] release_sock+0x21/0x240 [ 10.901846][ T232] Preemption disabled at: [ 10.901846][ T232] [<0000000000000000>] 0x0 [ 10.901853][ T232] CPU: 2 UID: 0 PID: 232 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.901857][ T232] Tainted: [W]=WARN [ 10.901858][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.901859][ T232] Call Trace: [ 10.901861][ T232] [ 10.901862][ T232] dump_stack_lvl+0x6f/0xa0 [ 10.901867][ T232] __might_resched.cold+0x1fe/0x2c1 [ 10.901872][ T232] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.901875][ T232] ? __kmalloc_noprof+0xdb/0x760 [ 10.901880][ T232] __kmalloc_noprof+0x443/0x760 [ 10.901883][ T232] ? alloc_buf.isra.0+0x4b/0x260 [ 10.901889][ T232] ? do_raw_spin_unlock+0x59/0x250 [ 10.901891][ T232] alloc_buf.isra.0+0x4b/0x260 [ 10.901895][ T232] put_chars+0x1e1/0x2f0 [ 10.901898][ T232] ? __send_to_port+0x420/0x420 [ 10.901899][ T232] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.901903][ T232] ? validate_chain+0x38b/0xc20 [ 10.901909][ T232] hvc_console_print+0x292/0x780 [ 10.901915][ T232] ? hvc_write+0x3a0/0x3a0 [ 10.901918][ T232] ? rcu_is_watching+0x16/0xd0 [ 10.901920][ T232] ? lock_acquire+0x13c/0x160 [ 10.901924][ T232] console_emit_next_record+0x22f/0x4c0 [ 10.901927][ T232] ? devkmsg_read+0x4b0/0x4b0 [ 10.901928][ T232] ? console_flush_one_record+0x106/0x710 [ 10.901931][ T232] ? rcu_is_watching+0x16/0xd0 [ 10.901933][ T232] ? lock_acquire+0x13c/0x160 [ 10.901937][ T232] console_flush_one_record+0x46f/0x710 [ 10.901940][ T232] ? console_emit_next_record+0x4c0/0x4c0 [ 10.901942][ T232] ? __lock_acquire+0x518/0xc20 [ 10.901947][ T232] console_unlock+0xee/0x1f0 [ 10.901949][ T232] ? console_flush_one_record+0x710/0x710 [ 10.901950][ T232] ? rcu_is_watching+0x16/0xd0 [ 10.901952][ T232] ? lock_acquire+0x60/0x160 [ 10.901956][ T232] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.901958][ T232] ? vprintk_emit+0x320/0x3e0 [ 10.901960][ T232] vprintk_emit+0x37c/0x3e0 [ 10.901963][ T232] ? wake_up_klogd_work_func+0x90/0x90 [ 10.901965][ T232] ? do_raw_spin_unlock+0x59/0x250 [ 10.901968][ T232] ? __lock_acquire+0x518/0xc20 [ 10.901971][ T232] _printk+0xc7/0x100 [ 10.901975][ T232] ? snapshot_read.cold+0x21/0x21 [ 10.901978][ T232] ? do_raw_spin_lock+0x131/0x280 [ 10.901981][ T232] ? __rwlock_init+0x150/0x150 [ 10.901985][ T232] ? do_raw_spin_lock+0x131/0x280 [ 10.901987][ T232] do_exit.cold+0x82/0x9c [ 10.901991][ T232] ? exit_notify+0x890/0x890 [ 10.901992][ T232] ? __lock_release.isra.0+0x69/0x1a0 [ 10.901995][ T232] ? rcu_is_watching+0x16/0xd0 [ 10.901999][ T232] do_group_exit+0xb8/0x370 [ 10.902002][ T232] __x64_sys_exit_group+0x3c/0x50 [ 10.902004][ T232] x64_sys_call+0x1567/0x1570 [ 10.902006][ T232] do_syscall_64+0xff/0x530 [ 10.902010][ T232] ? irq_exit_rcu+0x1a/0x30 [ 10.902013][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.902015][ T232] RIP: 0033:0x479678 [ 10.902017][ T232] Code: Unable to access opcode bytes at 0x47964e. [ 10.902018][ T232] RSP: 002b:00007ffe76145118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.902020][ T232] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.902022][ T232] RDX: 0000000033962708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.902023][ T232] RBP: 00007ffe76145170 R08: 0000000000000000 R09: 00000000339633e0 [ 10.902024][ T232] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffe761452a8 [ 10.902025][ T232] R13: 00007ffe76145330 R14: 0000000000000000 R15: 000000000054d560 [ 10.902031][ T232]