[ 9.619699][ T168] packetdrill (168) used greatest stack depth: 24600 bytes left [ 9.619715][ T168] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.619717][ T168] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 168, name: packetdrill [ 9.619718][ T168] preempt_count: 2, expected: 0 [ 9.619719][ T168] RCU nest depth: 0, expected: 0 [ 9.619720][ T168] locks held by packetdrill/168: 5, last CPU#0: [ 9.619722][ T168] #0: ffffffff96e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.619734][ T168] #1: ffffffff96f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.619739][ T168] #2: ffffffff96f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.619742][ T168] #3: ffffffff96e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.619745][ T168] #4: ffffffff96e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.619748][ T168] irq event stamp: 4202472 [ 9.619749][ T168] hardirqs last enabled at (4202471): [] __down_trylock_console_sem+0x86/0xa0 [ 9.619753][ T168] hardirqs last disabled at (4202472): [] console_emit_next_record+0x3d4/0x4c0 [ 9.619754][ T168] softirqs last enabled at (4202226): [] tcp_close+0x2b/0xb0 [ 9.619758][ T168] softirqs last disabled at (4202224): [] release_sock+0x21/0x240 [ 9.619762][ T168] Preemption disabled at: [ 9.619762][ T168] [<0000000000000000>] 0x0 [ 9.619769][ T168] CPU: 0 UID: 0 PID: 168 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.619772][ T168] Tainted: [W]=WARN [ 9.619773][ T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.619775][ T168] Call Trace: [ 9.619777][ T168] [ 9.619778][ T168] dump_stack_lvl+0x6f/0xa0 [ 9.619784][ T168] __might_resched.cold+0x1fe/0x2c1 [ 9.619788][ T168] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.619792][ T168] ? __kmalloc_noprof+0xdb/0x760 [ 9.619797][ T168] __kmalloc_noprof+0x443/0x760 [ 9.619802][ T168] ? alloc_buf.isra.0+0x4b/0x260 [ 9.619808][ T168] ? do_raw_spin_unlock+0x59/0x250 [ 9.619811][ T168] alloc_buf.isra.0+0x4b/0x260 [ 9.619814][ T168] put_chars+0x1e1/0x2f0 [ 9.619818][ T168] ? __send_to_port+0x420/0x420 [ 9.619819][ T168] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.619823][ T168] ? validate_chain+0x38b/0xc20 [ 9.619829][ T168] hvc_console_print+0x292/0x780 [ 9.619835][ T168] ? hvc_write+0x3a0/0x3a0 [ 9.619838][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.619840][ T168] ? lock_acquire+0x13c/0x160 [ 9.619844][ T168] console_emit_next_record+0x22f/0x4c0 [ 9.619847][ T168] ? devkmsg_read+0x4b0/0x4b0 [ 9.619848][ T168] ? console_flush_one_record+0x106/0x710 [ 9.619851][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.619853][ T168] ? lock_acquire+0x13c/0x160 [ 9.619857][ T168] console_flush_one_record+0x46f/0x710 [ 9.619861][ T168] ? console_emit_next_record+0x4c0/0x4c0 [ 9.619862][ T168] ? __lock_acquire+0x518/0xc20 [ 9.619867][ T168] console_unlock+0xee/0x1f0 [ 9.619869][ T168] ? console_flush_one_record+0x710/0x710 [ 9.619871][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.619872][ T168] ? lock_acquire+0x60/0x160 [ 9.619876][ T168] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.619878][ T168] ? vprintk_emit+0x320/0x3e0 [ 9.619881][ T168] vprintk_emit+0x37c/0x3e0 [ 9.619884][ T168] ? wake_up_klogd_work_func+0x90/0x90 [ 9.619886][ T168] ? do_raw_spin_unlock+0x59/0x250 [ 9.619889][ T168] ? __lock_acquire+0x518/0xc20 [ 9.619892][ T168] _printk+0xc7/0x100 [ 9.619896][ T168] ? snapshot_read.cold+0x21/0x21 [ 9.619899][ T168] ? do_raw_spin_lock+0x131/0x280 [ 9.619902][ T168] ? __rwlock_init+0x150/0x150 [ 9.619906][ T168] ? do_raw_spin_lock+0x131/0x280 [ 9.619909][ T168] do_exit.cold+0x82/0x9c [ 9.619912][ T168] ? exit_notify+0x890/0x890 [ 9.619913][ T168] ? __lock_release.isra.0+0x69/0x1a0 [ 9.619916][ T168] ? rcu_is_watching+0x16/0xd0 [ 9.619920][ T168] do_group_exit+0xb8/0x370 [ 9.619923][ T168] __x64_sys_exit_group+0x3c/0x50 [ 9.619925][ T168] x64_sys_call+0x1567/0x1570 [ 9.619928][ T168] do_syscall_64+0xff/0x530 [ 9.619931][ T168] ? irq_exit_rcu+0x1a/0x30 [ 9.619934][ T168] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.619936][ T168] RIP: 0033:0x479678 [ 9.619939][ T168] Code: Unable to access opcode bytes at 0x47964e. [ 9.619940][ T168] RSP: 002b:00007ffee18df978 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.619942][ T168] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 9.619944][ T168] RDX: 000000000077f708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 9.619944][ T168] RBP: 00007ffee18df9d0 R08: 0000000000000000 R09: 00000000007803e0 [ 9.619945][ T168] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffee18dfb08 [ 9.619946][ T168] R13: 00007ffee18dfb90 R14: 0000000000000000 R15: 000000000054d560 [ 9.619953][ T168] [ 10.272503][ T199] packetdrill (199) used greatest stack depth: 24520 bytes left