[ 13.625424][ T202] packetdrill (202) used greatest stack depth: 24096 bytes left [ 13.625442][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.625444][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: packetdrill [ 13.625446][ T202] preempt_count: 2, expected: 0 [ 13.625447][ T202] RCU nest depth: 0, expected: 0 [ 13.625448][ T202] locks held by packetdrill/202: 5, last CPU#2: [ 13.625450][ T202] #0: ffffffff988027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.625463][ T202] #1: ffffffff98969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.625468][ T202] #2: ffffffff98969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.625471][ T202] #3: ffffffff98889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.625475][ T202] #4: ffffffff98889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.625478][ T202] irq event stamp: 3884002 [ 13.625479][ T202] hardirqs last enabled at (3884001): [] __down_trylock_console_sem+0x86/0xa0 [ 13.625482][ T202] hardirqs last disabled at (3884002): [] console_emit_next_record+0x3d4/0x4c0 [ 13.625484][ T202] softirqs last enabled at (3882736): [] handle_softirqs+0x67c/0x900 [ 13.625486][ T202] softirqs last disabled at (3882729): [] __irq_exit_rcu+0x145/0x1c0 [ 13.625489][ T202] Preemption disabled at: [ 13.625489][ T202] [<0000000000000000>] 0x0 [ 13.625499][ T202] CPU: 2 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.625502][ T202] Tainted: [W]=WARN [ 13.625503][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.625505][ T202] Call Trace: [ 13.625507][ T202] [ 13.625508][ T202] dump_stack_lvl+0x6f/0xa0 [ 13.625514][ T202] __might_resched.cold+0x1fe/0x2c1 [ 13.625518][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.625522][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 13.625527][ T202] __kmalloc_noprof+0x443/0x760 [ 13.625530][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 13.625536][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 13.625540][ T202] alloc_buf.isra.0+0x4b/0x260 [ 13.625543][ T202] put_chars+0x1e1/0x2f0 [ 13.625546][ T202] ? __send_to_port+0x420/0x420 [ 13.625548][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.625552][ T202] ? validate_chain+0x38b/0xc20 [ 13.625558][ T202] hvc_console_print+0x292/0x780 [ 13.625565][ T202] ? hvc_write+0x3a0/0x3a0 [ 13.625567][ T202] ? rcu_is_watching+0x16/0xd0 [ 13.625569][ T202] ? lock_acquire+0x13c/0x160 [ 13.625574][ T202] console_emit_next_record+0x22f/0x4c0 [ 13.625577][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 13.625578][ T202] ? console_flush_one_record+0x106/0x710 [ 13.625581][ T202] ? rcu_is_watching+0x16/0xd0 [ 13.625583][ T202] ? lock_acquire+0x13c/0x160 [ 13.625587][ T202] console_flush_one_record+0x46f/0x710 [ 13.625591][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 13.625592][ T202] ? __lock_acquire+0x518/0xc20 [ 13.625598][ T202] console_unlock+0xee/0x1f0 [ 13.625600][ T202] ? console_flush_one_record+0x710/0x710 [ 13.625601][ T202] ? rcu_is_watching+0x16/0xd0 [ 13.625603][ T202] ? lock_acquire+0x60/0x160 [ 13.625607][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.625609][ T202] ? vprintk_emit+0x320/0x3e0 [ 13.625612][ T202] vprintk_emit+0x37c/0x3e0 [ 13.625615][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 13.625617][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 13.625620][ T202] ? __lock_acquire+0x518/0xc20 [ 13.625624][ T202] _printk+0xc7/0x100 [ 13.625628][ T202] ? snapshot_read.cold+0x21/0x21 [ 13.625631][ T202] ? do_raw_spin_lock+0x131/0x280 [ 13.625633][ T202] ? __rwlock_init+0x150/0x150 [ 13.625637][ T202] ? do_raw_spin_lock+0x131/0x280 [ 13.625640][ T202] do_exit.cold+0x82/0x9c [ 13.625644][ T202] ? exit_notify+0x890/0x890 [ 13.625645][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 13.625648][ T202] ? rcu_is_watching+0x16/0xd0 [ 13.625652][ T202] do_group_exit+0xb8/0x370 [ 13.625655][ T202] __x64_sys_exit_group+0x3c/0x50 [ 13.625657][ T202] x64_sys_call+0x1567/0x1570 [ 13.625660][ T202] do_syscall_64+0xff/0x530 [ 13.625664][ T202] ? irq_exit_rcu+0x1a/0x30 [ 13.625667][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.625670][ T202] RIP: 0033:0x479678 [ 13.625672][ T202] Code: Unable to access opcode bytes at 0x47964e. [ 13.625673][ T202] RSP: 002b:00007ffdadc7ae48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.625675][ T202] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 13.625677][ T202] RDX: 00000000402b2708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 13.625678][ T202] RBP: 00007ffdadc7aea0 R08: 0000000000000000 R09: 00000000402b33e0 [ 13.625679][ T202] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffdadc7afd8 [ 13.625679][ T202] R13: 00007ffdadc7b060 R14: 0000000000000000 R15: 000000000054d560 [ 13.625686][ T202]