[ 10.380116][ T205] packetdrill (205) used greatest stack depth: 23560 bytes left [ 10.380131][ T205] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.380133][ T205] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 205, name: packetdrill [ 10.380135][ T205] preempt_count: 2, expected: 0 [ 10.380136][ T205] RCU nest depth: 0, expected: 0 [ 10.380137][ T205] locks held by packetdrill/205: 5, last CPU#2: [ 10.380139][ T205] #0: ffffffffb7a027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.380151][ T205] #1: ffffffffb7b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.380155][ T205] #2: ffffffffb7b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.380159][ T205] #3: ffffffffb7a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.380162][ T205] #4: ffffffffb7a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.380165][ T205] irq event stamp: 4414832 [ 10.380166][ T205] hardirqs last enabled at (4414831): [] __down_trylock_console_sem+0x86/0xa0 [ 10.380169][ T205] hardirqs last disabled at (4414832): [] console_emit_next_record+0x3d4/0x4c0 [ 10.380171][ T205] softirqs last enabled at (4414604): [] tcp_close+0x2b/0xb0 [ 10.380175][ T205] softirqs last disabled at (4414602): [] release_sock+0x21/0x240 [ 10.380179][ T205] Preemption disabled at: [ 10.380179][ T205] [<0000000000000000>] 0x0 [ 10.380186][ T205] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.380189][ T205] Tainted: [W]=WARN [ 10.380190][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.380192][ T205] Call Trace: [ 10.380193][ T205] [ 10.380194][ T205] dump_stack_lvl+0x6f/0xa0 [ 10.380200][ T205] __might_resched.cold+0x1fe/0x2c1 [ 10.380204][ T205] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.380207][ T205] ? __kmalloc_noprof+0xdb/0x760 [ 10.380213][ T205] __kmalloc_noprof+0x443/0x760 [ 10.380215][ T205] ? alloc_buf.isra.0+0x4b/0x260 [ 10.380221][ T205] ? do_raw_spin_unlock+0x59/0x250 [ 10.380224][ T205] alloc_buf.isra.0+0x4b/0x260 [ 10.380227][ T205] put_chars+0x1e1/0x2f0 [ 10.380230][ T205] ? __send_to_port+0x420/0x420 [ 10.380231][ T205] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.380235][ T205] ? validate_chain+0x38b/0xc20 [ 10.380241][ T205] hvc_console_print+0x292/0x780 [ 10.380247][ T205] ? hvc_write+0x3a0/0x3a0 [ 10.380249][ T205] ? rcu_is_watching+0x16/0xd0 [ 10.380251][ T205] ? lock_acquire+0x13c/0x160 [ 10.380255][ T205] console_emit_next_record+0x22f/0x4c0 [ 10.380259][ T205] ? devkmsg_read+0x4b0/0x4b0 [ 10.380260][ T205] ? console_flush_one_record+0x106/0x710 [ 10.380262][ T205] ? rcu_is_watching+0x16/0xd0 [ 10.380264][ T205] ? lock_acquire+0x13c/0x160 [ 10.380268][ T205] console_flush_one_record+0x46f/0x710 [ 10.380271][ T205] ? console_emit_next_record+0x4c0/0x4c0 [ 10.380273][ T205] ? __lock_acquire+0x518/0xc20 [ 10.380278][ T205] console_unlock+0xee/0x1f0 [ 10.380280][ T205] ? console_flush_one_record+0x710/0x710 [ 10.380281][ T205] ? rcu_is_watching+0x16/0xd0 [ 10.380283][ T205] ? lock_acquire+0x60/0x160 [ 10.380287][ T205] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.380288][ T205] ? vprintk_emit+0x320/0x3e0 [ 10.380291][ T205] vprintk_emit+0x37c/0x3e0 [ 10.380294][ T205] ? wake_up_klogd_work_func+0x90/0x90 [ 10.380297][ T205] ? __lock_acquire+0x518/0xc20 [ 10.380301][ T205] _printk+0xc7/0x100 [ 10.380305][ T205] ? snapshot_read.cold+0x21/0x21 [ 10.380307][ T205] ? do_raw_spin_lock+0x131/0x280 [ 10.380310][ T205] ? __rwlock_init+0x150/0x150 [ 10.380314][ T205] ? do_raw_spin_lock+0x131/0x280 [ 10.380317][ T205] do_exit.cold+0x82/0x9c [ 10.380320][ T205] ? exit_notify+0x890/0x890 [ 10.380321][ T205] ? __lock_release.isra.0+0x69/0x1a0 [ 10.380324][ T205] ? rcu_is_watching+0x16/0xd0 [ 10.380328][ T205] do_group_exit+0xb8/0x370 [ 10.380331][ T205] __x64_sys_exit_group+0x3c/0x50 [ 10.380333][ T205] x64_sys_call+0x1567/0x1570 [ 10.380335][ T205] do_syscall_64+0xff/0x530 [ 10.380338][ T205] ? irq_exit_rcu+0x1a/0x30 [ 10.380341][ T205] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.380343][ T205] RIP: 0033:0x479678 [ 10.380345][ T205] Code: Unable to access opcode bytes at 0x47964e. [ 10.380346][ T205] RSP: 002b:00007ffdbcdadb38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.380348][ T205] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.380350][ T205] RDX: 0000000018eb3708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.380351][ T205] RBP: 00007ffdbcdadb90 R08: 0000000000000000 R09: 0000000018eb43e0 [ 10.380352][ T205] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffdbcdadcc8 [ 10.380353][ T205] R13: 00007ffdbcdadd50 R14: 0000000000000000 R15: 000000000054d560 [ 10.380359][ T205]