[ 11.896843][ T202] packetdrill (202) used greatest stack depth: 24472 bytes left [ 11.896862][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.896865][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: packetdrill [ 11.896866][ T202] preempt_count: 2, expected: 0 [ 11.896867][ T202] RCU nest depth: 0, expected: 0 [ 11.896868][ T202] locks held by packetdrill/202: 5, last CPU#1: [ 11.896870][ T202] #0: ffffffff9ac027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.896883][ T202] #1: ffffffff9ad69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.896888][ T202] #2: ffffffff9ad69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.896892][ T202] #3: ffffffff9ac89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.896895][ T202] #4: ffffffff9ac89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.896898][ T202] irq event stamp: 4021020 [ 11.896899][ T202] hardirqs last enabled at (4021019): [] __down_trylock_console_sem+0x86/0xa0 [ 11.896903][ T202] hardirqs last disabled at (4021020): [] console_emit_next_record+0x3d4/0x4c0 [ 11.896904][ T202] softirqs last enabled at (4020788): [] tcp_close+0x2b/0xb0 [ 11.896908][ T202] softirqs last disabled at (4020786): [] release_sock+0x21/0x240 [ 11.896912][ T202] Preemption disabled at: [ 11.896913][ T202] [<0000000000000000>] 0x0 [ 11.896920][ T202] CPU: 1 UID: 0 PID: 202 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.896923][ T202] Tainted: [W]=WARN [ 11.896924][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.896926][ T202] Call Trace: [ 11.896928][ T202] [ 11.896929][ T202] dump_stack_lvl+0x6f/0xa0 [ 11.896935][ T202] __might_resched.cold+0x1fe/0x2c1 [ 11.896940][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.896943][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 11.896948][ T202] __kmalloc_noprof+0x443/0x760 [ 11.896951][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 11.896956][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 11.896959][ T202] alloc_buf.isra.0+0x4b/0x260 [ 11.896962][ T202] put_chars+0x1e1/0x2f0 [ 11.896965][ T202] ? __send_to_port+0x420/0x420 [ 11.896967][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.896971][ T202] ? validate_chain+0x38b/0xc20 [ 11.896977][ T202] hvc_console_print+0x292/0x780 [ 11.896983][ T202] ? hvc_write+0x3a0/0x3a0 [ 11.896985][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.896987][ T202] ? lock_acquire+0x13c/0x160 [ 11.896991][ T202] console_emit_next_record+0x22f/0x4c0 [ 11.896995][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 11.896996][ T202] ? console_flush_one_record+0x106/0x710 [ 11.896999][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.897000][ T202] ? lock_acquire+0x13c/0x160 [ 11.897004][ T202] console_flush_one_record+0x46f/0x710 [ 11.897008][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 11.897009][ T202] ? __lock_acquire+0x518/0xc20 [ 11.897014][ T202] console_unlock+0xee/0x1f0 [ 11.897017][ T202] ? console_flush_one_record+0x710/0x710 [ 11.897018][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.897020][ T202] ? lock_acquire+0x60/0x160 [ 11.897023][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.897025][ T202] ? vprintk_emit+0x320/0x3e0 [ 11.897028][ T202] vprintk_emit+0x37c/0x3e0 [ 11.897031][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 11.897032][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 11.897035][ T202] ? __lock_acquire+0x518/0xc20 [ 11.897039][ T202] _printk+0xc7/0x100 [ 11.897043][ T202] ? snapshot_read.cold+0x21/0x21 [ 11.897046][ T202] ? do_raw_spin_lock+0x131/0x280 [ 11.897048][ T202] ? __rwlock_init+0x150/0x150 [ 11.897052][ T202] ? do_raw_spin_lock+0x131/0x280 [ 11.897055][ T202] do_exit.cold+0x82/0x9c [ 11.897058][ T202] ? exit_notify+0x890/0x890 [ 11.897060][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 11.897063][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.897066][ T202] do_group_exit+0xb8/0x370 [ 11.897069][ T202] __x64_sys_exit_group+0x3c/0x50 [ 11.897071][ T202] x64_sys_call+0x1567/0x1570 [ 11.897074][ T202] do_syscall_64+0xff/0x530 [ 11.897077][ T202] ? irq_exit_rcu+0x1a/0x30 [ 11.897080][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.897082][ T202] RIP: 0033:0x479678 [ 11.897084][ T202] Code: Unable to access opcode bytes at 0x47964e. [ 11.897085][ T202] RSP: 002b:00007ffd37848da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.897088][ T202] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 11.897089][ T202] RDX: 000000003b448708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 11.897090][ T202] RBP: 00007ffd37848e00 R08: 0000000000000000 R09: 000000003b4493e0 [ 11.897091][ T202] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd37848f38 [ 11.897092][ T202] R13: 00007ffd37848fc0 R14: 0000000000000000 R15: 000000000054d560 [ 11.897098][ T202]