[ 13.104666][ T200] packetdrill (200) used greatest stack depth: 24808 bytes left [ 13.104681][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.104683][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: packetdrill [ 13.104685][ T200] preempt_count: 2, expected: 0 [ 13.104686][ T200] RCU nest depth: 0, expected: 0 [ 13.104687][ T200] INFO: lockdep is turned off. [ 13.104688][ T200] irq event stamp: 0 [ 13.104689][ T200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 13.104694][ T200] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 13.104700][ T200] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 13.104702][ T200] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 13.104704][ T200] Preemption disabled at: [ 13.104705][ T200] [<0000000000000000>] 0x0 [ 13.104710][ T200] CPU: 2 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.104713][ T200] Tainted: [W]=WARN [ 13.104714][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.104716][ T200] Call Trace: [ 13.104717][ T200] [ 13.104719][ T200] dump_stack_lvl+0x6f/0xa0 [ 13.104723][ T200] __might_resched.cold+0x1fe/0x2c1 [ 13.104727][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.104730][ T200] ? __asan_memcpy+0x3c/0x60 [ 13.104733][ T200] ? rcu_is_watching+0x16/0xd0 [ 13.104736][ T200] __kmalloc_noprof+0x443/0x760 [ 13.104739][ T200] ? __rwlock_init+0x150/0x150 [ 13.104742][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 13.104746][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 13.104748][ T200] alloc_buf.isra.0+0x4b/0x260 [ 13.104751][ T200] put_chars+0x1e1/0x2f0 [ 13.104753][ T200] ? __send_to_port+0x420/0x420 [ 13.104755][ T200] ? console_prepend_replay+0x20/0x20 [ 13.104757][ T200] hvc_console_print+0x292/0x780 [ 13.104761][ T200] ? hvc_write+0x3a0/0x3a0 [ 13.104763][ T200] ? rcu_is_watching+0x16/0xd0 [ 13.104764][ T200] ? lock_acquire+0x13c/0x160 [ 13.104767][ T200] console_emit_next_record+0x22f/0x4c0 [ 13.104769][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 13.104771][ T200] ? rcu_is_watching+0x16/0xd0 [ 13.104772][ T200] ? rcu_is_watching+0x16/0xd0 [ 13.104773][ T200] ? rcu_is_watching+0x16/0xd0 [ 13.104774][ T200] ? lock_acquire+0x13c/0x160 [ 13.104776][ T200] ? console_flush_one_record+0x111/0x710 [ 13.104777][ T200] console_flush_one_record+0x46f/0x710 [ 13.104779][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 13.104781][ T200] console_unlock+0xee/0x1f0 [ 13.104782][ T200] ? lock_acquire+0x13c/0x160 [ 13.104784][ T200] ? console_flush_one_record+0x710/0x710 [ 13.104785][ T200] ? rcu_is_watching+0x16/0xd0 [ 13.104786][ T200] ? lock_release+0x184/0x1f0 [ 13.104788][ T200] ? lock_acquire+0x60/0x160 [ 13.104790][ T200] ? __rcu_read_lock+0x30/0x70 [ 13.104791][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.104794][ T200] ? vprintk_emit+0x320/0x3e0 [ 13.104795][ T200] vprintk_emit+0x37c/0x3e0 [ 13.104797][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 13.104799][ T200] ? do_raw_read_unlock+0x70/0x70 [ 13.104801][ T200] ? forget_original_parent+0x5c/0xdb0 [ 13.104803][ T200] _printk+0xc7/0x100 [ 13.104806][ T200] ? snapshot_read.cold+0x21/0x21 [ 13.104808][ T200] ? do_raw_spin_lock+0x131/0x280 [ 13.104810][ T200] ? do_raw_spin_lock+0x131/0x280 [ 13.104812][ T200] ? __rwlock_init+0x150/0x150 [ 13.104814][ T200] ? do_raw_spin_lock+0x131/0x280 [ 13.104816][ T200] do_exit.cold+0x82/0x9c [ 13.104819][ T200] ? exit_notify+0x890/0x890 [ 13.104820][ T200] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 13.104823][ T200] ? rcu_is_watching+0x16/0xd0 [ 13.104825][ T200] do_group_exit+0xb8/0x370 [ 13.104827][ T200] __x64_sys_exit_group+0x3c/0x50 [ 13.104828][ T200] x64_sys_call+0x1567/0x1570 [ 13.104830][ T200] do_syscall_64+0xff/0x530 [ 13.104834][ T200] ? irq_exit_rcu+0x1a/0x30 [ 13.104836][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.104839][ T200] RIP: 0033:0x479678 [ 13.104840][ T200] Code: Unable to access opcode bytes at 0x47964e. [ 13.104841][ T200] RSP: 002b:00007fff259080b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.104845][ T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 13.104846][ T200] RDX: 000000001026a708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 13.104847][ T200] RBP: 00007fff25908110 R08: 0000000000000000 R09: 000000001026b3e0 [ 13.104848][ T200] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff25908248 [ 13.104849][ T200] R13: 00007fff259082d0 R14: 0000000000000000 R15: 000000000054d560 [ 13.104855][ T200]