[ 12.096376][ T205] packetdrill (205) used greatest stack depth: 23584 bytes left [ 12.096392][ T205] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.096394][ T205] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 205, name: packetdrill [ 12.096395][ T205] preempt_count: 2, expected: 0 [ 12.096396][ T205] RCU nest depth: 0, expected: 0 [ 12.096397][ T205] locks held by packetdrill/205: 5, last CPU#0: [ 12.096399][ T205] #0: ffffffffbac027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.096412][ T205] #1: ffffffffbad69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.096417][ T205] #2: ffffffffbad69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.096421][ T205] #3: ffffffffbac89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.096424][ T205] #4: ffffffffbac89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.096430][ T205] irq event stamp: 3944338 [ 12.096431][ T205] hardirqs last enabled at (3944337): [] __down_trylock_console_sem+0x86/0xa0 [ 12.096435][ T205] hardirqs last disabled at (3944338): [] console_emit_next_record+0x3d4/0x4c0 [ 12.096436][ T205] softirqs last enabled at (3943938): [] handle_softirqs+0x67c/0x900 [ 12.096439][ T205] softirqs last disabled at (3943255): [] __irq_exit_rcu+0x145/0x1c0 [ 12.096441][ T205] Preemption disabled at: [ 12.096442][ T205] [<0000000000000000>] 0x0 [ 12.096449][ T205] CPU: 0 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.096452][ T205] Tainted: [W]=WARN [ 12.096453][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.096455][ T205] Call Trace: [ 12.096456][ T205] [ 12.096458][ T205] dump_stack_lvl+0x6f/0xa0 [ 12.096463][ T205] __might_resched.cold+0x1fe/0x2c1 [ 12.096468][ T205] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.096471][ T205] ? __kmalloc_noprof+0xdb/0x760 [ 12.096476][ T205] __kmalloc_noprof+0x443/0x760 [ 12.096479][ T205] ? alloc_buf.isra.0+0x4b/0x260 [ 12.096485][ T205] ? do_raw_spin_unlock+0x59/0x250 [ 12.096488][ T205] alloc_buf.isra.0+0x4b/0x260 [ 12.096492][ T205] put_chars+0x1e1/0x2f0 [ 12.096495][ T205] ? __send_to_port+0x420/0x420 [ 12.096496][ T205] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.096501][ T205] ? validate_chain+0x38b/0xc20 [ 12.096506][ T205] hvc_console_print+0x292/0x780 [ 12.096513][ T205] ? hvc_write+0x3a0/0x3a0 [ 12.096515][ T205] ? rcu_is_watching+0x16/0xd0 [ 12.096517][ T205] ? lock_acquire+0x13c/0x160 [ 12.096522][ T205] console_emit_next_record+0x22f/0x4c0 [ 12.096525][ T205] ? devkmsg_read+0x4b0/0x4b0 [ 12.096526][ T205] ? console_flush_one_record+0x106/0x710 [ 12.096529][ T205] ? rcu_is_watching+0x16/0xd0 [ 12.096531][ T205] ? lock_acquire+0x13c/0x160 [ 12.096535][ T205] console_flush_one_record+0x46f/0x710 [ 12.096539][ T205] ? console_emit_next_record+0x4c0/0x4c0 [ 12.096540][ T205] ? __lock_acquire+0x518/0xc20 [ 12.096546][ T205] console_unlock+0xee/0x1f0 [ 12.096548][ T205] ? console_flush_one_record+0x710/0x710 [ 12.096549][ T205] ? rcu_is_watching+0x16/0xd0 [ 12.096551][ T205] ? lock_acquire+0x60/0x160 [ 12.096555][ T205] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.096557][ T205] ? vprintk_emit+0x320/0x3e0 [ 12.096560][ T205] vprintk_emit+0x37c/0x3e0 [ 12.096563][ T205] ? wake_up_klogd_work_func+0x90/0x90 [ 12.096566][ T205] ? __lock_acquire+0x518/0xc20 [ 12.096570][ T205] _printk+0xc7/0x100 [ 12.096574][ T205] ? snapshot_read.cold+0x21/0x21 [ 12.096577][ T205] ? do_raw_spin_lock+0x131/0x280 [ 12.096580][ T205] ? __rwlock_init+0x150/0x150 [ 12.096584][ T205] ? do_raw_spin_lock+0x131/0x280 [ 12.096587][ T205] do_exit.cold+0x82/0x9c [ 12.096591][ T205] ? exit_notify+0x890/0x890 [ 12.096592][ T205] ? __lock_release.isra.0+0x69/0x1a0 [ 12.096595][ T205] ? rcu_is_watching+0x16/0xd0 [ 12.096599][ T205] do_group_exit+0xb8/0x370 [ 12.096602][ T205] __x64_sys_exit_group+0x3c/0x50 [ 12.096604][ T205] x64_sys_call+0x1567/0x1570 [ 12.096607][ T205] do_syscall_64+0xff/0x530 [ 12.096611][ T205] ? irq_exit_rcu+0x1a/0x30 [ 12.096614][ T205] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.096616][ T205] RIP: 0033:0x479678 [ 12.096618][ T205] Code: Unable to access opcode bytes at 0x47964e. [ 12.096619][ T205] RSP: 002b:00007ffc1c745348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.096622][ T205] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.096623][ T205] RDX: 000000000544a708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.096624][ T205] RBP: 00007ffc1c7453a0 R08: 0000000000000000 R09: 000000000544b3e0 [ 12.096625][ T205] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc1c7454d8 [ 12.096626][ T205] R13: 00007ffc1c745560 R14: 0000000000000000 R15: 000000000054d560 [ 12.096633][ T205]