[ 10.148061][ T200] packetdrill (200) used greatest stack depth: 24104 bytes left [ 10.148076][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.148078][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: packetdrill [ 10.148079][ T200] preempt_count: 2, expected: 0 [ 10.148080][ T200] RCU nest depth: 0, expected: 0 [ 10.148081][ T200] locks held by packetdrill/200: 5, last CPU#2: [ 10.148083][ T200] #0: ffffffffac4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.148094][ T200] #1: ffffffffac569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.148099][ T200] #2: ffffffffac569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.148103][ T200] #3: ffffffffac489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.148106][ T200] #4: ffffffffac489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.148109][ T200] irq event stamp: 3982966 [ 10.148110][ T200] hardirqs last enabled at (3982965): [] __down_trylock_console_sem+0x86/0xa0 [ 10.148113][ T200] hardirqs last disabled at (3982966): [] console_emit_next_record+0x3d4/0x4c0 [ 10.148115][ T200] softirqs last enabled at (3982716): [] tcp_close+0x2b/0xb0 [ 10.148119][ T200] softirqs last disabled at (3982714): [] release_sock+0x21/0x240 [ 10.148122][ T200] Preemption disabled at: [ 10.148123][ T200] [<0000000000000000>] 0x0 [ 10.148134][ T200] CPU: 2 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.148138][ T200] Tainted: [W]=WARN [ 10.148139][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.148140][ T200] Call Trace: [ 10.148142][ T200] [ 10.148143][ T200] dump_stack_lvl+0x6f/0xa0 [ 10.148148][ T200] __might_resched.cold+0x1fe/0x2c1 [ 10.148152][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.148156][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 10.148161][ T200] __kmalloc_noprof+0x443/0x760 [ 10.148163][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 10.148169][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 10.148172][ T200] alloc_buf.isra.0+0x4b/0x260 [ 10.148175][ T200] put_chars+0x1e1/0x2f0 [ 10.148178][ T200] ? __send_to_port+0x420/0x420 [ 10.148179][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.148183][ T200] ? validate_chain+0x38b/0xc20 [ 10.148188][ T200] hvc_console_print+0x292/0x780 [ 10.148195][ T200] ? hvc_write+0x3a0/0x3a0 [ 10.148197][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.148199][ T200] ? lock_acquire+0x13c/0x160 [ 10.148203][ T200] console_emit_next_record+0x22f/0x4c0 [ 10.148206][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 10.148208][ T200] ? console_flush_one_record+0x106/0x710 [ 10.148210][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.148212][ T200] ? lock_acquire+0x13c/0x160 [ 10.148216][ T200] console_flush_one_record+0x46f/0x710 [ 10.148219][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 10.148221][ T200] ? __lock_acquire+0x518/0xc20 [ 10.148226][ T200] console_unlock+0xee/0x1f0 [ 10.148228][ T200] ? console_flush_one_record+0x710/0x710 [ 10.148229][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.148231][ T200] ? lock_acquire+0x60/0x160 [ 10.148234][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.148236][ T200] ? vprintk_emit+0x320/0x3e0 [ 10.148239][ T200] vprintk_emit+0x37c/0x3e0 [ 10.148242][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 10.148243][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 10.148246][ T200] ? __lock_acquire+0x518/0xc20 [ 10.148250][ T200] _printk+0xc7/0x100 [ 10.148254][ T200] ? snapshot_read.cold+0x21/0x21 [ 10.148257][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.148259][ T200] ? __rwlock_init+0x150/0x150 [ 10.148263][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.148266][ T200] do_exit.cold+0x82/0x9c [ 10.148269][ T200] ? exit_notify+0x890/0x890 [ 10.148271][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 10.148273][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.148277][ T200] do_group_exit+0xb8/0x370 [ 10.148280][ T200] __x64_sys_exit_group+0x3c/0x50 [ 10.148282][ T200] x64_sys_call+0x1567/0x1570 [ 10.148284][ T200] do_syscall_64+0xff/0x530 [ 10.148288][ T200] ? irq_exit_rcu+0x1a/0x30 [ 10.148290][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.148292][ T200] RIP: 0033:0x479678 [ 10.148294][ T200] Code: Unable to access opcode bytes at 0x47964e. [ 10.148296][ T200] RSP: 002b:00007ffc55262328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.148298][ T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.148299][ T200] RDX: 000000002586a708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.148300][ T200] RBP: 00007ffc55262380 R08: 0000000000000000 R09: 000000002586b3e0 [ 10.148301][ T200] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc552624b8 [ 10.148302][ T200] R13: 00007ffc55262540 R14: 0000000000000000 R15: 000000000054d560 [ 10.148308][ T200]