[ 14.076396][ T477] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.076516][ T477] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.076518][ T477] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 477, name: conntrack [ 14.076520][ T477] preempt_count: 1, expected: 0 [ 14.076522][ T477] RCU nest depth: 0, expected: 0 [ 14.076523][ T477] locks held by conntrack/477: 5, last CPU#2: [ 14.076526][ T477] #0: ffffffffa55e1670 (nfnl_subsys_ctnetlink){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0x628/0xed0 [ 14.076541][ T477] #1: ffffffffa276a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.076549][ T477] #2: ffffffffa276a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.076554][ T477] #3: ffffffffa2689de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.076559][ T477] #4: ffffffffa2689ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.076564][ T477] irq event stamp: 9832 [ 14.076565][ T477] hardirqs last enabled at (9831): [] __down_trylock_console_sem+0x86/0xa0 [ 14.076569][ T477] hardirqs last disabled at (9832): [] console_emit_next_record+0x3d4/0x4c0 [ 14.076572][ T477] softirqs last enabled at (9794): [] __alloc_skb+0x4c2/0x5f0 [ 14.076576][ T477] softirqs last disabled at (9792): [] __alloc_skb+0x4c2/0x5f0 [ 14.076579][ T477] Preemption disabled at: [ 14.076580][ T477] [] vprintk_emit+0x31b/0x3e0 [ 14.076587][ T477] CPU: 2 UID: 0 PID: 477 Comm: conntrack Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.076591][ T477] Tainted: [W]=WARN [ 14.076592][ T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.076595][ T477] Call Trace: [ 14.076596][ T477] [ 14.076599][ T477] dump_stack_lvl+0x6f/0xa0 [ 14.076605][ T477] ? vprintk_emit+0x31b/0x3e0 [ 14.076607][ T477] __might_resched.cold+0x1fe/0x2c1 [ 14.076613][ T477] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.076617][ T477] ? __kmalloc_noprof+0xdb/0x760 [ 14.076624][ T477] __kmalloc_noprof+0x443/0x760 [ 14.076627][ T477] ? alloc_buf.isra.0+0x4b/0x260 [ 14.076635][ T477] ? do_raw_spin_unlock+0x59/0x250 [ 14.076639][ T477] alloc_buf.isra.0+0x4b/0x260 [ 14.076644][ T477] put_chars+0x1e1/0x2f0 [ 14.076648][ T477] ? __send_to_port+0x420/0x420 [ 14.076654][ T477] ? validate_chain+0x34a/0xc20 [ 14.076662][ T477] hvc_console_print+0x292/0x780 [ 14.076665][ T477] ? __lock_acquire+0x518/0xc20 [ 14.076668][ T477] ? __lock_acquire+0x518/0xc20 [ 14.076677][ T477] ? hvc_write+0x3a0/0x3a0 [ 14.076679][ T477] ? console_emit_next_record+0x1df/0x4c0 [ 14.076683][ T477] ? rcu_is_watching+0x16/0xd0 [ 14.076688][ T477] ? lock_acquire+0x13c/0x160 [ 14.076694][ T477] console_emit_next_record+0x22f/0x4c0 [ 14.076700][ T477] ? devkmsg_read+0x4b0/0x4b0 [ 14.076702][ T477] ? console_flush_one_record+0x106/0x710 [ 14.076706][ T477] ? rcu_is_watching+0x16/0xd0 [ 14.076708][ T477] ? lock_acquire+0x13c/0x160 [ 14.076714][ T477] console_flush_one_record+0x46f/0x710 [ 14.076720][ T477] ? console_emit_next_record+0x4c0/0x4c0 [ 14.076722][ T477] ? __lock_acquire+0x518/0xc20 [ 14.076730][ T477] console_unlock+0xee/0x1f0 [ 14.076733][ T477] ? console_flush_one_record+0x710/0x710 [ 14.076735][ T477] ? rcu_is_watching+0x16/0xd0 [ 14.076738][ T477] ? lock_acquire+0x60/0x160 [ 14.076744][ T477] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.076746][ T477] ? vprintk_emit+0x320/0x3e0 [ 14.076751][ T477] vprintk_emit+0x37c/0x3e0 [ 14.076757][ T477] ? wake_up_klogd_work_func+0x90/0x90 [ 14.076760][ T477] ? __lock_release.isra.0+0x69/0x1a0 [ 14.076763][ T477] ? __lock_release.isra.0+0x69/0x1a0 [ 14.076770][ T477] _printk+0xc7/0x100 [ 14.076775][ T477] ? snapshot_read.cold+0x21/0x21 [ 14.076777][ T477] ? ___ratelimit+0x4e7/0xa00 [ 14.076784][ T477] ? nf_conntrack_find_get+0x260/0x260 [nf_conntrack] [ 14.076797][ T477] ? idr_get_free+0x830/0x830 [ 14.076799][ T477] ? net_generic+0xb3/0x1e0 [nf_conntrack] [ 14.076812][ T477] __nf_conntrack_alloc.cold+0x5b/0x67 [nf_conntrack] [ 14.076825][ T477] ctnetlink_create_conntrack+0xbf/0x1250 [nf_conntrack_netlink] [ 14.076830][ T477] ? __nf_conntrack_find_get+0x83a/0xd00 [nf_conntrack] [ 14.076839][ T477] ? nf_conntrack_find_get+0xd2/0x260 [nf_conntrack] [ 14.076848][ T477] ? ctnetlink_conntrack_event+0x1530/0x1530 [nf_conntrack_netlink] [ 14.076852][ T477] ? lock_acquire.part.0+0xd4/0x280 [ 14.076855][ T477] ? find_held_lock+0x2b/0x80 [ 14.076860][ T477] ? __lock_release.isra.0+0x69/0x1a0 [ 14.076864][ T477] ? nf_conntrack_find_get+0xf5/0x260 [nf_conntrack] [ 14.076875][ T477] ctnetlink_new_conntrack+0x507/0x959 [nf_conntrack_netlink] [ 14.076880][ T477] ? ctnetlink_create_conntrack+0x1250/0x1250 [nf_conntrack_netlink] [ 14.076883][ T477] ? ww_mutex_lock+0x160/0x160 [ 14.076886][ T477] ? nla_get_range_signed+0x3d0/0x3d0 [ 14.076893][ T477] ? lock_acquire.part.0+0xd4/0x280 [ 14.076898][ T477] ? ctnetlink_create_conntrack+0x1250/0x1250 [nf_conntrack_netlink] [ 14.076901][ T477] ? __lock_release.isra.0+0x69/0x1a0 [ 14.076908][ T477] nfnetlink_rcv_msg+0x712/0xed0 [ 14.076917][ T477] ? nfnetlink_bind+0x370/0x370 [ 14.076924][ T477] ? lock_acquire.part.0+0xd4/0x280 [ 14.076927][ T477] ? find_held_lock+0x2b/0x80 [ 14.076943][ T477] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.076946][ T477] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.076950][ T477] ? validate_chain+0x38b/0xc20 [ 14.076956][ T477] netlink_rcv_skb+0x14e/0x3a0 [ 14.076960][ T477] ? nfnetlink_bind+0x370/0x370 [ 14.076964][ T477] ? netlink_ack+0xcf0/0xcf0 [ 14.076966][ T477] ? lock_acquire.part.0+0xd4/0x280 [ 14.076975][ T477] ? cap_capable+0x1d7/0x3d0 [ 14.076982][ T477] nfnetlink_rcv+0x170/0x520 [ 14.076987][ T477] ? nfnetlink_rcv_batch+0x1510/0x1510 [ 14.076989][ T477] ? netlink_deliver_tap+0x13c/0x330 [ 14.076993][ T477] ? netlink_deliver_tap+0x141/0x330 [ 14.076996][ T477] netlink_unicast+0x486/0x750 [ 14.077001][ T477] ? netlink_attachskb+0x810/0x810 [ 14.077009][ T477] netlink_sendmsg+0x735/0xc60 [ 14.077014][ T477] ? netlink_unicast+0x750/0x750 [ 14.077019][ T477] ? __might_fault+0x97/0x140 [ 14.077023][ T477] ? _copy_from_user+0x42/0x90 [ 14.077029][ T477] __sys_sendto+0x2a9/0x3e0 [ 14.077034][ T477] ? __ia32_sys_getpeername+0xd0/0xd0 [ 14.077049][ T477] ? exc_page_fault+0x87/0x100 [ 14.077057][ T477] __x64_sys_sendto+0xe4/0x1f0 [ 14.077060][ T477] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.077064][ T477] ? lockdep_hardirqs_on+0x91/0x130 [ 14.077066][ T477] ? do_syscall_64+0xa6/0x570 [ 14.077068][ T477] do_syscall_64+0x10e/0x570 [ 14.077070][ T477] ? exc_page_fault+0xee/0x100 [ 14.077074][ T477] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.077077][ T477] RIP: 0033:0x7f933016c54e [ 14.077081][ T477] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 14.077083][ T477] RSP: 002b:00007ffe97cfcb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.077086][ T477] RAX: ffffffffffffffda RBX: 00007ffe97cfdbc0 RCX: 00007f933016c54e [ 14.077088][ T477] RDX: 000000000000008c RSI: 00007ffe97cfdbc0 RDI: 0000000000000005 [ 14.077089][ T477] RBP: 00007ffe97cfcb70 R08: 00007f9330319980 R09: 000000000000000c [ 14.077090][ T477] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe97cfdbc0 [ 14.077092][ T477] R13: 000055a3f27008a0 R14: 0000000000000000 R15: 0000000000000002 [ 14.077103][ T477] [ 14.119903][ T482] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.120825][ T472] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.124485][ T486] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.127054][ T487] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.136035][ T476] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.137387][ T477] conntrack (477) used greatest stack depth: 24232 bytes left [ 14.141972][ T478] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.142420][ T484] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.142849][ T483] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.145786][ T491] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 14.149989][ T492] conntrack (492) used greatest stack depth: 23712 bytes left