[ 13.441411][ T319] conntrack (319) used greatest stack depth: 23808 bytes left [ 13.441429][ T319] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.441431][ T319] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 319, name: conntrack [ 13.441433][ T319] preempt_count: 2, expected: 0 [ 13.441434][ T319] RCU nest depth: 0, expected: 0 [ 13.441435][ T319] locks held by conntrack/319: 5, last CPU#2: [ 13.441437][ T319] #0: ffffffff9ce02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 13.441448][ T319] #1: ffffffff9cf6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.441453][ T319] #2: ffffffff9cf6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.441456][ T319] #3: ffffffff9ce89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.441459][ T319] #4: ffffffff9ce89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.441463][ T319] irq event stamp: 32836 [ 13.441464][ T319] hardirqs last enabled at (32835): [] __down_trylock_console_sem+0x86/0xa0 [ 13.441467][ T319] hardirqs last disabled at (32836): [] console_emit_next_record+0x3d4/0x4c0 [ 13.441469][ T319] softirqs last enabled at (30416): [] handle_softirqs+0x67c/0x900 [ 13.441471][ T319] softirqs last disabled at (30411): [] __irq_exit_rcu+0x145/0x1c0 [ 13.441474][ T319] Preemption disabled at: [ 13.441474][ T319] [<0000000000000000>] 0x0 [ 13.441481][ T319] CPU: 2 UID: 0 PID: 319 Comm: conntrack Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.441485][ T319] Tainted: [W]=WARN [ 13.441486][ T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.441487][ T319] Call Trace: [ 13.441489][ T319] [ 13.441490][ T319] dump_stack_lvl+0x6f/0xa0 [ 13.441496][ T319] __might_resched.cold+0x1fe/0x2c1 [ 13.441500][ T319] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.441503][ T319] ? __kmalloc_noprof+0xdb/0x760 [ 13.441508][ T319] __kmalloc_noprof+0x443/0x760 [ 13.441511][ T319] ? alloc_buf.isra.0+0x4b/0x260 [ 13.441517][ T319] ? do_raw_spin_unlock+0x59/0x250 [ 13.441520][ T319] alloc_buf.isra.0+0x4b/0x260 [ 13.441523][ T319] put_chars+0x1e1/0x2f0 [ 13.441526][ T319] ? __send_to_port+0x420/0x420 [ 13.441532][ T319] hvc_console_print+0x292/0x780 [ 13.441539][ T319] ? hvc_write+0x3a0/0x3a0 [ 13.441544][ T319] ? lock_acquire+0x13c/0x160 [ 13.441548][ T319] console_emit_next_record+0x22f/0x4c0 [ 13.441552][ T319] ? devkmsg_read+0x4b0/0x4b0 [ 13.441553][ T319] ? console_flush_one_record+0x106/0x710 [ 13.441555][ T319] ? rcu_is_watching+0x16/0xd0 [ 13.441559][ T319] ? lock_acquire+0x13c/0x160 [ 13.441563][ T319] console_flush_one_record+0x46f/0x710 [ 13.441566][ T319] ? console_emit_next_record+0x4c0/0x4c0 [ 13.441568][ T319] ? __lock_acquire+0x518/0xc20 [ 13.441573][ T319] console_unlock+0xee/0x1f0 [ 13.441575][ T319] ? console_flush_one_record+0x710/0x710 [ 13.441576][ T319] ? rcu_is_watching+0x16/0xd0 [ 13.441583][ T319] ? lock_acquire+0x60/0x160 [ 13.441587][ T319] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.441589][ T319] ? vprintk_emit+0x320/0x3e0 [ 13.441592][ T319] vprintk_emit+0x37c/0x3e0 [ 13.441595][ T319] ? wake_up_klogd_work_func+0x90/0x90 [ 13.441598][ T319] ? __lock_acquire+0x518/0xc20 [ 13.441601][ T319] _printk+0xc7/0x100 [ 13.441605][ T319] ? snapshot_read.cold+0x21/0x21 [ 13.441608][ T319] ? do_raw_spin_lock+0x131/0x280 [ 13.441610][ T319] ? __rwlock_init+0x150/0x150 [ 13.441614][ T319] ? do_raw_spin_lock+0x131/0x280 [ 13.441617][ T319] do_exit.cold+0x82/0x9c [ 13.441621][ T319] ? exit_notify+0x890/0x890 [ 13.441622][ T319] ? __lock_release.isra.0+0x69/0x1a0 [ 13.441625][ T319] ? rcu_is_watching+0x16/0xd0 [ 13.441629][ T319] do_group_exit+0xb8/0x370 [ 13.441632][ T319] __x64_sys_exit_group+0x3c/0x50 [ 13.441634][ T319] x64_sys_call+0x1567/0x1570 [ 13.441637][ T319] do_syscall_64+0x10e/0x570 [ 13.441640][ T319] ? exc_page_fault+0xee/0x100 [ 13.441643][ T319] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.441646][ T319] RIP: 0033:0x7f0da91661b8 [ 13.441648][ T319] Code: Unable to access opcode bytes at 0x7f0da916618e. [ 13.441649][ T319] RSP: 002b:00007ffe9db7d338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.441651][ T319] RAX: ffffffffffffffda RBX: 00007f0da9296f88 RCX: 00007f0da91661b8 [ 13.441652][ T319] RDX: 00007f0da909d748 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 13.441653][ T319] RBP: 00007ffe9db7d390 R08: 0000000000000000 R09: 0000000000000020 [ 13.441654][ T319] R10: 00007ffe9db7d1b0 R11: 0000000000000246 R12: 0000000000000001 [ 13.441655][ T319] R13: 0000000000000000 R14: 00007f0da9295680 R15: 00007f0da9296fa0 [ 13.441661][ T319]