[ 10.179917][ T202] packetdrill (202) used greatest stack depth: 24592 bytes left [ 10.179932][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.179934][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: packetdrill [ 10.179935][ T202] preempt_count: 2, expected: 0 [ 10.179936][ T202] RCU nest depth: 0, expected: 0 [ 10.179937][ T202] locks held by packetdrill/202: 5, last CPU#3: [ 10.179939][ T202] #0: ffffffffb12027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.179951][ T202] #1: ffffffffb1369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.179956][ T202] #2: ffffffffb1369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.179959][ T202] #3: ffffffffb1289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.179962][ T202] #4: ffffffffb1289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.179965][ T202] irq event stamp: 4257346 [ 10.179966][ T202] hardirqs last enabled at (4257345): [] __down_trylock_console_sem+0x86/0xa0 [ 10.179970][ T202] hardirqs last disabled at (4257346): [] console_emit_next_record+0x3d4/0x4c0 [ 10.179971][ T202] softirqs last enabled at (4254860): [] handle_softirqs+0x67c/0x900 [ 10.179973][ T202] softirqs last disabled at (4254851): [] __irq_exit_rcu+0x145/0x1c0 [ 10.179976][ T202] Preemption disabled at: [ 10.179976][ T202] [<0000000000000000>] 0x0 [ 10.179983][ T202] CPU: 3 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.179987][ T202] Tainted: [W]=WARN [ 10.179988][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.179989][ T202] Call Trace: [ 10.179991][ T202] [ 10.179992][ T202] dump_stack_lvl+0x6f/0xa0 [ 10.179998][ T202] __might_resched.cold+0x1fe/0x2c1 [ 10.180002][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.180006][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 10.180011][ T202] __kmalloc_noprof+0x443/0x760 [ 10.180013][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 10.180019][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 10.180022][ T202] alloc_buf.isra.0+0x4b/0x260 [ 10.180026][ T202] put_chars+0x1e1/0x2f0 [ 10.180029][ T202] ? __send_to_port+0x420/0x420 [ 10.180030][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.180035][ T202] ? validate_chain+0x38b/0xc20 [ 10.180040][ T202] hvc_console_print+0x292/0x780 [ 10.180046][ T202] ? hvc_write+0x3a0/0x3a0 [ 10.180049][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.180050][ T202] ? lock_acquire+0x13c/0x160 [ 10.180055][ T202] console_emit_next_record+0x22f/0x4c0 [ 10.180058][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 10.180059][ T202] ? console_flush_one_record+0x106/0x710 [ 10.180062][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.180063][ T202] ? lock_acquire+0x13c/0x160 [ 10.180067][ T202] console_flush_one_record+0x46f/0x710 [ 10.180071][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 10.180072][ T202] ? __lock_acquire+0x518/0xc20 [ 10.180078][ T202] console_unlock+0xee/0x1f0 [ 10.180080][ T202] ? console_flush_one_record+0x710/0x710 [ 10.180081][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.180083][ T202] ? lock_acquire+0x60/0x160 [ 10.180087][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.180089][ T202] ? vprintk_emit+0x320/0x3e0 [ 10.180091][ T202] vprintk_emit+0x37c/0x3e0 [ 10.180094][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 10.180096][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 10.180099][ T202] ? __lock_acquire+0x518/0xc20 [ 10.180103][ T202] _printk+0xc7/0x100 [ 10.180106][ T202] ? snapshot_read.cold+0x21/0x21 [ 10.180109][ T202] ? do_raw_spin_lock+0x131/0x280 [ 10.180112][ T202] ? __rwlock_init+0x150/0x150 [ 10.180116][ T202] ? do_raw_spin_lock+0x131/0x280 [ 10.180119][ T202] do_exit.cold+0x82/0x9c [ 10.180122][ T202] ? exit_notify+0x890/0x890 [ 10.180124][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 10.180127][ T202] ? rcu_is_watching+0x16/0xd0 [ 10.180130][ T202] do_group_exit+0xb8/0x370 [ 10.180133][ T202] __x64_sys_exit_group+0x3c/0x50 [ 10.180135][ T202] x64_sys_call+0x1567/0x1570 [ 10.180138][ T202] do_syscall_64+0xff/0x530 [ 10.180141][ T202] ? irq_exit_rcu+0x1a/0x30 [ 10.180144][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.180146][ T202] RIP: 0033:0x479678 [ 10.180148][ T202] Code: Unable to access opcode bytes at 0x47964e. [ 10.180149][ T202] RSP: 002b:00007ffead2ce648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.180152][ T202] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.180153][ T202] RDX: 000000003cb63708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.180154][ T202] RBP: 00007ffead2ce6a0 R08: 0000000000000000 R09: 000000003cb643e0 [ 10.180155][ T202] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffead2ce7d8 [ 10.180156][ T202] R13: 00007ffead2ce860 R14: 0000000000000000 R15: 000000000054d560 [ 10.180162][ T202]