[ 10.158361][ T201] packetdrill (201) used greatest stack depth: 24184 bytes left [ 10.158376][ T201] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.158378][ T201] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 201, name: packetdrill [ 10.158379][ T201] preempt_count: 2, expected: 0 [ 10.158380][ T201] RCU nest depth: 0, expected: 0 [ 10.158381][ T201] locks held by packetdrill/201: 5, last CPU#2: [ 10.158383][ T201] #0: ffffffff8d0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.158397][ T201] #1: ffffffff8d169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.158402][ T201] #2: ffffffff8d169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.158405][ T201] #3: ffffffff8d089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.158408][ T201] #4: ffffffff8d089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.158411][ T201] irq event stamp: 3960924 [ 10.158412][ T201] hardirqs last enabled at (3960923): [] __down_trylock_console_sem+0x86/0xa0 [ 10.158416][ T201] hardirqs last disabled at (3960924): [] console_emit_next_record+0x3d4/0x4c0 [ 10.158418][ T201] softirqs last enabled at (3960678): [] tcp_close+0x2b/0xb0 [ 10.158422][ T201] softirqs last disabled at (3960676): [] release_sock+0x21/0x240 [ 10.158425][ T201] Preemption disabled at: [ 10.158426][ T201] [<0000000000000000>] 0x0 [ 10.158432][ T201] CPU: 2 UID: 0 PID: 201 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.158436][ T201] Tainted: [W]=WARN [ 10.158437][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.158438][ T201] Call Trace: [ 10.158440][ T201] [ 10.158441][ T201] dump_stack_lvl+0x6f/0xa0 [ 10.158447][ T201] __might_resched.cold+0x1fe/0x2c1 [ 10.158451][ T201] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.158454][ T201] ? __kmalloc_noprof+0xdb/0x760 [ 10.158459][ T201] __kmalloc_noprof+0x443/0x760 [ 10.158462][ T201] ? alloc_buf.isra.0+0x4b/0x260 [ 10.158468][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 10.158471][ T201] alloc_buf.isra.0+0x4b/0x260 [ 10.158474][ T201] put_chars+0x1e1/0x2f0 [ 10.158477][ T201] ? __send_to_port+0x420/0x420 [ 10.158479][ T201] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.158483][ T201] ? validate_chain+0x38b/0xc20 [ 10.158488][ T201] hvc_console_print+0x292/0x780 [ 10.158494][ T201] ? hvc_write+0x3a0/0x3a0 [ 10.158497][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.158498][ T201] ? lock_acquire+0x13c/0x160 [ 10.158502][ T201] console_emit_next_record+0x22f/0x4c0 [ 10.158506][ T201] ? devkmsg_read+0x4b0/0x4b0 [ 10.158507][ T201] ? console_flush_one_record+0x106/0x710 [ 10.158510][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.158511][ T201] ? lock_acquire+0x13c/0x160 [ 10.158515][ T201] console_flush_one_record+0x46f/0x710 [ 10.158519][ T201] ? console_emit_next_record+0x4c0/0x4c0 [ 10.158520][ T201] ? __lock_acquire+0x518/0xc20 [ 10.158525][ T201] console_unlock+0xee/0x1f0 [ 10.158528][ T201] ? console_flush_one_record+0x710/0x710 [ 10.158529][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.158531][ T201] ? lock_acquire+0x60/0x160 [ 10.158534][ T201] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.158536][ T201] ? vprintk_emit+0x320/0x3e0 [ 10.158539][ T201] vprintk_emit+0x37c/0x3e0 [ 10.158542][ T201] ? wake_up_klogd_work_func+0x90/0x90 [ 10.158544][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 10.158547][ T201] ? __lock_acquire+0x518/0xc20 [ 10.158550][ T201] _printk+0xc7/0x100 [ 10.158554][ T201] ? snapshot_read.cold+0x21/0x21 [ 10.158557][ T201] ? do_raw_spin_lock+0x131/0x280 [ 10.158560][ T201] ? __rwlock_init+0x150/0x150 [ 10.158563][ T201] ? do_raw_spin_lock+0x131/0x280 [ 10.158566][ T201] do_exit.cold+0x82/0x9c [ 10.158570][ T201] ? exit_notify+0x890/0x890 [ 10.158571][ T201] ? __lock_release.isra.0+0x69/0x1a0 [ 10.158574][ T201] ? rcu_is_watching+0x16/0xd0 [ 10.158577][ T201] do_group_exit+0xb8/0x370 [ 10.158580][ T201] __x64_sys_exit_group+0x3c/0x50 [ 10.158582][ T201] x64_sys_call+0x1567/0x1570 [ 10.158585][ T201] do_syscall_64+0xff/0x530 [ 10.158589][ T201] ? irq_exit_rcu+0x1a/0x30 [ 10.158592][ T201] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.158594][ T201] RIP: 0033:0x479678 [ 10.158596][ T201] Code: Unable to access opcode bytes at 0x47964e. [ 10.158597][ T201] RSP: 002b:00007ffdc8676b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.158599][ T201] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.158601][ T201] RDX: 00000000323f8708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.158602][ T201] RBP: 00007ffdc8676b70 R08: 0000000000000000 R09: 00000000323f93e0 [ 10.158603][ T201] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffdc8676ca8 [ 10.158603][ T201] R13: 00007ffdc8676d30 R14: 0000000000000000 R15: 000000000054d560 [ 10.158610][ T201]