[ 9.958635][ T168] packetdrill (168) used greatest stack depth: 24600 bytes left [ 9.958651][ T168] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.958653][ T168] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 168, name: packetdrill [ 9.958654][ T168] preempt_count: 2, expected: 0 [ 9.958655][ T168] RCU nest depth: 0, expected: 0 [ 9.958656][ T168] locks held by packetdrill/168: 5, last CPU#3: [ 9.958658][ T168] #0: ffffffff848027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.958669][ T168] #1: ffffffff84969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.958674][ T168] #2: ffffffff84969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.958678][ T168] #3: ffffffff84889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.958681][ T168] #4: ffffffff84889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.958684][ T168] irq event stamp: 4295432 [ 9.958685][ T168] hardirqs last enabled at (4295431): [] __down_trylock_console_sem+0x86/0xa0 [ 9.958688][ T168] hardirqs last disabled at (4295432): [] console_emit_next_record+0x3d4/0x4c0 [ 9.958690][ T168] softirqs last enabled at (4295186): [] tun_rx_batched.isra.0+0x3e1/0x790 [ 9.958693][ T168] softirqs last disabled at (4295134): [] tun_rx_batched.isra.0+0x436/0x790 [ 9.958695][ T168] Preemption disabled at: [ 9.958696][ T168] [<0000000000000000>] 0x0 [ 9.958702][ T168] CPU: 3 UID: 0 PID: 168 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.958706][ T168] Tainted: [W]=WARN [ 9.958707][ T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.958709][ T168] Call Trace: [ 9.958710][ T168] [ 9.958712][ T168] dump_stack_lvl+0x6f/0xa0 [ 9.958717][ T168] __might_resched.cold+0x1fe/0x2c1 [ 9.958721][ T168] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.958725][ T168] ? __kmalloc_noprof+0xdb/0x760 [ 9.958730][ T168] __kmalloc_noprof+0x443/0x760 [ 9.958732][ T168] ? alloc_buf.isra.0+0x4b/0x260 [ 9.958738][ T168] ? do_raw_spin_unlock+0x59/0x250 [ 9.958741][ T168] alloc_buf.isra.0+0x4b/0x260 [ 9.958744][ T168] put_chars+0x1e1/0x2f0 [ 9.958747][ T168] ? __send_to_port+0x420/0x420 [ 9.958749][ T168] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.958753][ T168] ? validate_chain+0x38b/0xc20 [ 9.958758][ T168] hvc_console_print+0x292/0x780 [ 9.958764][ T168] ? hvc_write+0x3a0/0x3a0 [ 9.958766][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.958768][ T168] ? lock_acquire+0x13c/0x160 [ 9.958772][ T168] console_emit_next_record+0x22f/0x4c0 [ 9.958776][ T168] ? devkmsg_read+0x4b0/0x4b0 [ 9.958777][ T168] ? console_flush_one_record+0x106/0x710 [ 9.958780][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.958781][ T168] ? lock_acquire+0x13c/0x160 [ 9.958785][ T168] console_flush_one_record+0x46f/0x710 [ 9.958789][ T168] ? console_emit_next_record+0x4c0/0x4c0 [ 9.958790][ T168] ? __lock_acquire+0x518/0xc20 [ 9.958795][ T168] console_unlock+0xee/0x1f0 [ 9.958797][ T168] ? console_flush_one_record+0x710/0x710 [ 9.958799][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.958800][ T168] ? lock_acquire+0x60/0x160 [ 9.958804][ T168] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.958806][ T168] ? vprintk_emit+0x320/0x3e0 [ 9.958808][ T168] vprintk_emit+0x37c/0x3e0 [ 9.958812][ T168] ? wake_up_klogd_work_func+0x90/0x90 [ 9.958814][ T168] ? __lock_acquire+0x518/0xc20 [ 9.958818][ T168] _printk+0xc7/0x100 [ 9.958822][ T168] ? snapshot_read.cold+0x21/0x21 [ 9.958825][ T168] ? do_raw_spin_lock+0x131/0x280 [ 9.958827][ T168] ? __rwlock_init+0x150/0x150 [ 9.958831][ T168] ? do_raw_spin_lock+0x131/0x280 [ 9.958834][ T168] do_exit.cold+0x82/0x9c [ 9.958837][ T168] ? exit_notify+0x890/0x890 [ 9.958839][ T168] ? __lock_release.isra.0+0x69/0x1a0 [ 9.958841][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.958845][ T168] do_group_exit+0xb8/0x370 [ 9.958848][ T168] __x64_sys_exit_group+0x3c/0x50 [ 9.958850][ T168] x64_sys_call+0x1567/0x1570 [ 9.958852][ T168] do_syscall_64+0xff/0x530 [ 9.958856][ T168] ? irq_exit_rcu+0x1a/0x30 [ 9.958859][ T168] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.958861][ T168] RIP: 0033:0x479678 [ 9.958863][ T168] Code: Unable to access opcode bytes at 0x47964e. [ 9.958864][ T168] RSP: 002b:00007ffc599500e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.958866][ T168] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 9.958868][ T168] RDX: 000000002a877708 RSI: fffffffffffffff0 RDI: 0000000000000001 [ 9.958869][ T168] RBP: 00007ffc59950140 R08: 0000000000000000 R09: 000000002a8783e0 [ 9.958869][ T168] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc599506e8 [ 9.958870][ T168] R13: 00007ffc59950770 R14: 0000000000000001 R15: 000000000054d560 [ 9.958877][ T168] [ 10.643703][ T199] packetdrill (199) used greatest stack depth: 24520 bytes left