[ 11.942419][ T306] conntrack (306) used greatest stack depth: 24080 bytes left [ 11.942438][ T306] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.942441][ T306] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 306, name: conntrack [ 11.942443][ T306] preempt_count: 2, expected: 0 [ 11.942443][ T306] RCU nest depth: 0, expected: 0 [ 11.942444][ T306] locks held by conntrack/306: 5, last CPU#2: [ 11.942447][ T306] #0: ffffffffb5402f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 11.942459][ T306] #1: ffffffffb556a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.942464][ T306] #2: ffffffffb556a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.942467][ T306] #3: ffffffffb5489de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.942471][ T306] #4: ffffffffb5489ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.942474][ T306] irq event stamp: 22700 [ 11.942475][ T306] hardirqs last enabled at (22699): [] __down_trylock_console_sem+0x86/0xa0 [ 11.942478][ T306] hardirqs last disabled at (22700): [] console_emit_next_record+0x3d4/0x4c0 [ 11.942480][ T306] softirqs last enabled at (22346): [] handle_softirqs+0x67c/0x900 [ 11.942482][ T306] softirqs last disabled at (22235): [] __irq_exit_rcu+0x145/0x1c0 [ 11.942485][ T306] Preemption disabled at: [ 11.942485][ T306] [<0000000000000000>] 0x0 [ 11.942492][ T306] CPU: 2 UID: 0 PID: 306 Comm: conntrack Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.942495][ T306] Tainted: [W]=WARN [ 11.942496][ T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.942498][ T306] Call Trace: [ 11.942500][ T306] [ 11.942501][ T306] dump_stack_lvl+0x6f/0xa0 [ 11.942507][ T306] __might_resched.cold+0x1fe/0x2c1 [ 11.942511][ T306] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.942514][ T306] ? __kmalloc_noprof+0xdb/0x760 [ 11.942520][ T306] __kmalloc_noprof+0x443/0x760 [ 11.942522][ T306] ? alloc_buf.isra.0+0x4b/0x260 [ 11.942528][ T306] ? do_raw_spin_unlock+0x59/0x250 [ 11.942531][ T306] alloc_buf.isra.0+0x4b/0x260 [ 11.942535][ T306] put_chars+0x1e1/0x2f0 [ 11.942537][ T306] ? __send_to_port+0x420/0x420 [ 11.942544][ T306] hvc_console_print+0x292/0x780 [ 11.942551][ T306] ? hvc_write+0x3a0/0x3a0 [ 11.942553][ T306] ? lock_acquire+0x13c/0x160 [ 11.942558][ T306] console_emit_next_record+0x22f/0x4c0 [ 11.942561][ T306] ? devkmsg_read+0x4b0/0x4b0 [ 11.942563][ T306] ? console_flush_one_record+0x106/0x710 [ 11.942565][ T306] ? rcu_is_watching+0x16/0xd0 [ 11.942569][ T306] ? lock_acquire+0x13c/0x160 [ 11.942573][ T306] console_flush_one_record+0x46f/0x710 [ 11.942576][ T306] ? console_emit_next_record+0x4c0/0x4c0 [ 11.942578][ T306] ? __lock_acquire+0x518/0xc20 [ 11.942583][ T306] console_unlock+0xee/0x1f0 [ 11.942585][ T306] ? console_flush_one_record+0x710/0x710 [ 11.942587][ T306] ? rcu_is_watching+0x16/0xd0 [ 11.942588][ T306] ? lock_acquire+0x60/0x160 [ 11.942592][ T306] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.942594][ T306] ? vprintk_emit+0x320/0x3e0 [ 11.942597][ T306] vprintk_emit+0x37c/0x3e0 [ 11.942601][ T306] ? wake_up_klogd_work_func+0x90/0x90 [ 11.942604][ T306] ? __lock_acquire+0x518/0xc20 [ 11.942607][ T306] _printk+0xc7/0x100 [ 11.942611][ T306] ? snapshot_read.cold+0x21/0x21 [ 11.942614][ T306] ? do_raw_spin_lock+0x131/0x280 [ 11.942617][ T306] ? __rwlock_init+0x150/0x150 [ 11.942621][ T306] ? do_raw_spin_lock+0x131/0x280 [ 11.942624][ T306] do_exit.cold+0x82/0x9c [ 11.942627][ T306] ? exit_notify+0x890/0x890 [ 11.942629][ T306] ? __lock_release.isra.0+0x69/0x1a0 [ 11.942632][ T306] ? rcu_is_watching+0x16/0xd0 [ 11.942635][ T306] do_group_exit+0xb8/0x370 [ 11.942638][ T306] __x64_sys_exit_group+0x3c/0x50 [ 11.942640][ T306] x64_sys_call+0x1567/0x1570 [ 11.942643][ T306] do_syscall_64+0x10e/0x570 [ 11.942647][ T306] ? exc_page_fault+0xee/0x100 [ 11.942650][ T306] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.942653][ T306] RIP: 0033:0x7ff24f14f1b8 [ 11.942655][ T306] Code: Unable to access opcode bytes at 0x7ff24f14f18e. [ 11.942656][ T306] RSP: 002b:00007ffc20832778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.942658][ T306] RAX: ffffffffffffffda RBX: 00007ff24f27ff88 RCX: 00007ff24f14f1b8 [ 11.942660][ T306] RDX: 00007ff24f086748 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.942661][ T306] RBP: 00007ffc208327d0 R08: 0000000000000000 R09: 0000000000000020 [ 11.942662][ T306] R10: 00007ffc208325f0 R11: 0000000000000246 R12: 0000000000000001 [ 11.942662][ T306] R13: 0000000000000000 R14: 00007ff24f27e680 R15: 00007ff24f27ffa0 [ 11.942669][ T306] [ 12.863902][ T478] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.865917][ T466] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.868807][ T482] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.871899][ T472] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.873645][ T477] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.892436][ T494] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.894732][ T484] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.895892][ T487] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.896857][ T489] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.899159][ T493] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.081859][ T665] ping (665) used greatest stack depth: 23728 bytes left [ 14.081879][ T665] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.081881][ T665] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 665, name: ping [ 14.081882][ T665] preempt_count: 2, expected: 0 [ 14.081883][ T665] RCU nest depth: 0, expected: 0 [ 14.081884][ T665] locks held by ping/665: 5, last CPU#2: [ 14.081886][ T665] #0: ffffffffb5402f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 14.081898][ T665] #1: ffffffffb556a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.081903][ T665] #2: ffffffffb556a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.081906][ T665] #3: ffffffffb5489de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.081910][ T665] #4: ffffffffb5489ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.081914][ T665] irq event stamp: 37272 [ 14.081915][ T665] hardirqs last enabled at (37271): [] __down_trylock_console_sem+0x86/0xa0 [ 14.081918][ T665] hardirqs last disabled at (37272): [] console_emit_next_record+0x3d4/0x4c0 [ 14.081920][ T665] softirqs last enabled at (36908): [] handle_softirqs+0x67c/0x900 [ 14.081922][ T665] softirqs last disabled at (35583): [] __irq_exit_rcu+0x145/0x1c0 [ 14.081925][ T665] Preemption disabled at: [ 14.081925][ T665] [<0000000000000000>] 0x0 [ 14.081932][ T665] CPU: 2 UID: 0 PID: 665 Comm: ping Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.081936][ T665] Tainted: [W]=WARN [ 14.081936][ T665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.081938][ T665] Call Trace: [ 14.081940][ T665] [ 14.081941][ T665] dump_stack_lvl+0x6f/0xa0 [ 14.081946][ T665] __might_resched.cold+0x1fe/0x2c1 [ 14.081951][ T665] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.081954][ T665] ? __kmalloc_noprof+0xdb/0x760 [ 14.081959][ T665] __kmalloc_noprof+0x443/0x760 [ 14.081962][ T665] ? alloc_buf.isra.0+0x4b/0x260 [ 14.081968][ T665] ? do_raw_spin_unlock+0x59/0x250 [ 14.081971][ T665] alloc_buf.isra.0+0x4b/0x260 [ 14.081974][ T665] put_chars+0x1e1/0x2f0 [ 14.081977][ T665] ? __send_to_port+0x420/0x420 [ 14.081984][ T665] hvc_console_print+0x292/0x780 [ 14.081991][ T665] ? hvc_write+0x3a0/0x3a0 [ 14.081994][ T665] ? lock_acquire+0x13c/0x160 [ 14.081998][ T665] console_emit_next_record+0x22f/0x4c0 [ 14.082002][ T665] ? devkmsg_read+0x4b0/0x4b0 [ 14.082003][ T665] ? console_flush_one_record+0x106/0x710 [ 14.082006][ T665] ? rcu_is_watching+0x16/0xd0 [ 14.082009][ T665] ? lock_acquire+0x13c/0x160 [ 14.082013][ T665] console_flush_one_record+0x46f/0x710 [ 14.082017][ T665] ? console_emit_next_record+0x4c0/0x4c0 [ 14.082018][ T665] ? __lock_acquire+0x518/0xc20 [ 14.082025][ T665] console_unlock+0xee/0x1f0 [ 14.082027][ T665] ? console_flush_one_record+0x710/0x710 [ 14.082028][ T665] ? rcu_is_watching+0x16/0xd0 [ 14.082030][ T665] ? lock_acquire+0x60/0x160 [ 14.082034][ T665] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.082036][ T665] ? vprintk_emit+0x320/0x3e0 [ 14.082039][ T665] vprintk_emit+0x37c/0x3e0 [ 14.082042][ T665] ? wake_up_klogd_work_func+0x90/0x90 [ 14.082045][ T665] ? __lock_acquire+0x518/0xc20 [ 14.082049][ T665] _printk+0xc7/0x100 [ 14.082053][ T665] ? snapshot_read.cold+0x21/0x21 [ 14.082055][ T665] ? do_raw_spin_lock+0x131/0x280 [ 14.082058][ T665] ? __rwlock_init+0x150/0x150 [ 14.082062][ T665] ? do_raw_spin_lock+0x131/0x280 [ 14.082065][ T665] do_exit.cold+0x82/0x9c [ 14.082069][ T665] ? exit_notify+0x890/0x890 [ 14.082071][ T665] ? __lock_release.isra.0+0x69/0x1a0 [ 14.082074][ T665] ? rcu_is_watching+0x16/0xd0 [ 14.082077][ T665] do_group_exit+0xb8/0x370 [ 14.082081][ T665] __x64_sys_exit_group+0x3c/0x50 [ 14.082083][ T665] x64_sys_call+0x1567/0x1570 [ 14.082086][ T665] do_syscall_64+0x10e/0x570 [ 14.082089][ T665] ? exc_page_fault+0xee/0x100 [ 14.082093][ T665] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.082095][ T665] RIP: 0033:0x7f372ca601b8 [ 14.082098][ T665] Code: Unable to access opcode bytes at 0x7f372ca6018e. [ 14.082099][ T665] RSP: 002b:00007fff7bce5f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.082101][ T665] RAX: ffffffffffffffda RBX: 00007f372cb90f88 RCX: 00007f372ca601b8 [ 14.082102][ T665] RDX: 00007f372c7f17c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.082103][ T665] RBP: 00007fff7bce5ff0 R08: 0000000000000000 R09: 0000000000001010 [ 14.082104][ T665] R10: 00007fff7bce5e10 R11: 0000000000000246 R12: 0000000000000002 [ 14.082105][ T665] R13: 0000000000000000 R14: 00007f372cb8f680 R15: 00007f372cb90fa0 [ 14.082115][ T665]