[ 17.293124][ T206] packetdrill (206) used greatest stack depth: 23784 bytes left [ 17.293140][ T206] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.293142][ T206] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 206, name: packetdrill [ 17.293144][ T206] preempt_count: 2, expected: 0 [ 17.293145][ T206] RCU nest depth: 0, expected: 0 [ 17.293146][ T206] locks held by packetdrill/206: 5, last CPU#3: [ 17.293148][ T206] #0: ffffffffaae027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 17.293159][ T206] #1: ffffffffaaf69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.293164][ T206] #2: ffffffffaaf69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.293168][ T206] #3: ffffffffaae89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.293171][ T206] #4: ffffffffaae89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.293175][ T206] irq event stamp: 4089524 [ 17.293175][ T206] hardirqs last enabled at (4089523): [] __down_trylock_console_sem+0x86/0xa0 [ 17.293179][ T206] hardirqs last disabled at (4089524): [] console_emit_next_record+0x3d4/0x4c0 [ 17.293180][ T206] softirqs last enabled at (4088310): [] handle_softirqs+0x67c/0x900 [ 17.293183][ T206] softirqs last disabled at (4087489): [] __irq_exit_rcu+0x145/0x1c0 [ 17.293185][ T206] Preemption disabled at: [ 17.293186][ T206] [<0000000000000000>] 0x0 [ 17.293192][ T206] CPU: 3 UID: 0 PID: 206 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.293195][ T206] Tainted: [W]=WARN [ 17.293196][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.293198][ T206] Call Trace: [ 17.293200][ T206] [ 17.293201][ T206] dump_stack_lvl+0x6f/0xa0 [ 17.293207][ T206] __might_resched.cold+0x1fe/0x2c1 [ 17.293211][ T206] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.293214][ T206] ? __kmalloc_noprof+0xdb/0x760 [ 17.293220][ T206] __kmalloc_noprof+0x443/0x760 [ 17.293222][ T206] ? alloc_buf.isra.0+0x4b/0x260 [ 17.293228][ T206] ? do_raw_spin_unlock+0x59/0x250 [ 17.293231][ T206] alloc_buf.isra.0+0x4b/0x260 [ 17.293234][ T206] put_chars+0x1e1/0x2f0 [ 17.293237][ T206] ? __send_to_port+0x420/0x420 [ 17.293239][ T206] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.293243][ T206] ? validate_chain+0x38b/0xc20 [ 17.293249][ T206] hvc_console_print+0x292/0x780 [ 17.293256][ T206] ? hvc_write+0x3a0/0x3a0 [ 17.293258][ T206] ? rcu_is_watching+0x16/0xd0 [ 17.293260][ T206] ? lock_acquire+0x13c/0x160 [ 17.293264][ T206] console_emit_next_record+0x22f/0x4c0 [ 17.293268][ T206] ? devkmsg_read+0x4b0/0x4b0 [ 17.293269][ T206] ? console_flush_one_record+0x106/0x710 [ 17.293271][ T206] ? rcu_is_watching+0x16/0xd0 [ 17.293273][ T206] ? lock_acquire+0x13c/0x160 [ 17.293277][ T206] console_flush_one_record+0x46f/0x710 [ 17.293281][ T206] ? console_emit_next_record+0x4c0/0x4c0 [ 17.293282][ T206] ? __lock_acquire+0x518/0xc20 [ 17.293288][ T206] console_unlock+0xee/0x1f0 [ 17.293290][ T206] ? console_flush_one_record+0x710/0x710 [ 17.293291][ T206] ? rcu_is_watching+0x16/0xd0 [ 17.293293][ T206] ? lock_acquire+0x60/0x160 [ 17.293297][ T206] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.293299][ T206] ? vprintk_emit+0x320/0x3e0 [ 17.293302][ T206] vprintk_emit+0x37c/0x3e0 [ 17.293305][ T206] ? wake_up_klogd_work_func+0x90/0x90 [ 17.293306][ T206] ? do_raw_spin_unlock+0x59/0x250 [ 17.293309][ T206] ? __lock_acquire+0x518/0xc20 [ 17.293313][ T206] _printk+0xc7/0x100 [ 17.293317][ T206] ? snapshot_read.cold+0x21/0x21 [ 17.293320][ T206] ? do_raw_spin_lock+0x131/0x280 [ 17.293323][ T206] ? __rwlock_init+0x150/0x150 [ 17.293327][ T206] ? do_raw_spin_lock+0x131/0x280 [ 17.293330][ T206] do_exit.cold+0x82/0x9c [ 17.293333][ T206] ? exit_notify+0x890/0x890 [ 17.293335][ T206] ? __lock_release.isra.0+0x69/0x1a0 [ 17.293337][ T206] ? rcu_is_watching+0x16/0xd0 [ 17.293341][ T206] do_group_exit+0xb8/0x370 [ 17.293344][ T206] __x64_sys_exit_group+0x3c/0x50 [ 17.293346][ T206] x64_sys_call+0x1567/0x1570 [ 17.293349][ T206] do_syscall_64+0xff/0x530 [ 17.293353][ T206] ? irq_exit_rcu+0x1a/0x30 [ 17.293356][ T206] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.293358][ T206] RIP: 0033:0x479678 [ 17.293360][ T206] Code: Unable to access opcode bytes at 0x47964e. [ 17.293361][ T206] RSP: 002b:00007ffed3ebaad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.293364][ T206] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 17.293365][ T206] RDX: 000000000863d708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 17.293366][ T206] RBP: 00007ffed3ebab30 R08: 0000000000000000 R09: 000000000863e3e0 [ 17.293367][ T206] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffed3ebac68 [ 17.293368][ T206] R13: 00007ffed3ebacf0 R14: 0000000000000000 R15: 000000000054d560 [ 17.293375][ T206]