[ 12.123192][ T478] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.123274][ T478] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.123276][ T478] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 478, name: conntrack [ 12.123278][ T478] preempt_count: 1, expected: 0 [ 12.123279][ T478] RCU nest depth: 0, expected: 0 [ 12.123280][ T478] locks held by conntrack/478: 5, last CPU#0: [ 12.123282][ T478] #0: ffffffffbc3e1670 (nfnl_subsys_ctnetlink){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0x628/0xed0 [ 12.123295][ T478] #1: ffffffffb956a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.123300][ T478] #2: ffffffffb956a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.123304][ T478] #3: ffffffffb9489de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.123307][ T478] #4: ffffffffb9489ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.123310][ T478] irq event stamp: 9922 [ 12.123311][ T478] hardirqs last enabled at (9921): [] __down_trylock_console_sem+0x86/0xa0 [ 12.123315][ T478] hardirqs last disabled at (9922): [] console_emit_next_record+0x3d4/0x4c0 [ 12.123316][ T478] softirqs last enabled at (9884): [] __alloc_skb+0x4c2/0x5f0 [ 12.123320][ T478] softirqs last disabled at (9882): [] __alloc_skb+0x4c2/0x5f0 [ 12.123322][ T478] Preemption disabled at: [ 12.123323][ T478] [] vprintk_emit+0x31b/0x3e0 [ 12.123328][ T478] CPU: 0 UID: 0 PID: 478 Comm: conntrack Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.123332][ T478] Tainted: [W]=WARN [ 12.123333][ T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.123334][ T478] Call Trace: [ 12.123336][ T478] [ 12.123337][ T478] dump_stack_lvl+0x6f/0xa0 [ 12.123343][ T478] ? vprintk_emit+0x31b/0x3e0 [ 12.123345][ T478] __might_resched.cold+0x1fe/0x2c1 [ 12.123349][ T478] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.123352][ T478] ? __kmalloc_noprof+0xdb/0x760 [ 12.123357][ T478] __kmalloc_noprof+0x443/0x760 [ 12.123360][ T478] ? alloc_buf.isra.0+0x4b/0x260 [ 12.123366][ T478] ? do_raw_spin_unlock+0x59/0x250 [ 12.123369][ T478] alloc_buf.isra.0+0x4b/0x260 [ 12.123372][ T478] put_chars+0x1e1/0x2f0 [ 12.123375][ T478] ? __send_to_port+0x420/0x420 [ 12.123379][ T478] ? validate_chain+0x34a/0xc20 [ 12.123384][ T478] hvc_console_print+0x292/0x780 [ 12.123387][ T478] ? __lock_acquire+0x518/0xc20 [ 12.123389][ T478] ? __lock_acquire+0x518/0xc20 [ 12.123394][ T478] ? hvc_write+0x3a0/0x3a0 [ 12.123395][ T478] ? console_emit_next_record+0x1df/0x4c0 [ 12.123398][ T478] ? rcu_is_watching+0x16/0xd0 [ 12.123401][ T478] ? lock_acquire+0x13c/0x160 [ 12.123405][ T478] console_emit_next_record+0x22f/0x4c0 [ 12.123408][ T478] ? devkmsg_read+0x4b0/0x4b0 [ 12.123410][ T478] ? console_flush_one_record+0x106/0x710 [ 12.123412][ T478] ? rcu_is_watching+0x16/0xd0 [ 12.123414][ T478] ? lock_acquire+0x13c/0x160 [ 12.123418][ T478] console_flush_one_record+0x46f/0x710 [ 12.123422][ T478] ? console_emit_next_record+0x4c0/0x4c0 [ 12.123423][ T478] ? __lock_acquire+0x518/0xc20 [ 12.123429][ T478] console_unlock+0xee/0x1f0 [ 12.123431][ T478] ? console_flush_one_record+0x710/0x710 [ 12.123432][ T478] ? rcu_is_watching+0x16/0xd0 [ 12.123434][ T478] ? lock_acquire+0x60/0x160 [ 12.123438][ T478] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.123440][ T478] ? vprintk_emit+0x320/0x3e0 [ 12.123443][ T478] vprintk_emit+0x37c/0x3e0 [ 12.123446][ T478] ? wake_up_klogd_work_func+0x90/0x90 [ 12.123449][ T478] ? __lock_release.isra.0+0x69/0x1a0 [ 12.123450][ T478] ? __lock_release.isra.0+0x69/0x1a0 [ 12.123455][ T478] _printk+0xc7/0x100 [ 12.123458][ T478] ? snapshot_read.cold+0x21/0x21 [ 12.123460][ T478] ? ___ratelimit+0x4e7/0xa00 [ 12.123464][ T478] ? nf_conntrack_find_get+0x260/0x260 [nf_conntrack] [ 12.123474][ T478] ? idr_get_free+0x830/0x830 [ 12.123476][ T478] ? net_generic+0xb3/0x1e0 [nf_conntrack] [ 12.123484][ T478] __nf_conntrack_alloc.cold+0x5b/0x67 [nf_conntrack] [ 12.123491][ T478] ctnetlink_create_conntrack+0xbf/0x1250 [nf_conntrack_netlink] [ 12.123494][ T478] ? __nf_conntrack_find_get+0x83a/0xd00 [nf_conntrack] [ 12.123501][ T478] ? nf_conntrack_find_get+0xd2/0x260 [nf_conntrack] [ 12.123506][ T478] ? ctnetlink_conntrack_event+0x1530/0x1530 [nf_conntrack_netlink] [ 12.123509][ T478] ? lock_acquire.part.0+0xd4/0x280 [ 12.123511][ T478] ? find_held_lock+0x2b/0x80 [ 12.123514][ T478] ? __lock_release.isra.0+0x69/0x1a0 [ 12.123517][ T478] ? nf_conntrack_find_get+0xf5/0x260 [nf_conntrack] [ 12.123525][ T478] ctnetlink_new_conntrack+0x507/0x959 [nf_conntrack_netlink] [ 12.123528][ T478] ? ctnetlink_create_conntrack+0x1250/0x1250 [nf_conntrack_netlink] [ 12.123530][ T478] ? ww_mutex_lock+0x160/0x160 [ 12.123533][ T478] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.123538][ T478] ? lock_acquire.part.0+0xd4/0x280 [ 12.123547][ T478] ? ctnetlink_create_conntrack+0x1250/0x1250 [nf_conntrack_netlink] [ 12.123549][ T478] ? __lock_release.isra.0+0x69/0x1a0 [ 12.123554][ T478] nfnetlink_rcv_msg+0x712/0xed0 [ 12.123561][ T478] ? nfnetlink_bind+0x370/0x370 [ 12.123564][ T478] ? lock_acquire.part.0+0xd4/0x280 [ 12.123566][ T478] ? find_held_lock+0x2b/0x80 [ 12.123577][ T478] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.123579][ T478] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.123582][ T478] ? validate_chain+0x38b/0xc20 [ 12.123587][ T478] netlink_rcv_skb+0x14e/0x3a0 [ 12.123589][ T478] ? nfnetlink_bind+0x370/0x370 [ 12.123593][ T478] ? netlink_ack+0xcf0/0xcf0 [ 12.123594][ T478] ? lock_acquire.part.0+0xd4/0x280 [ 12.123600][ T478] ? cap_capable+0x1d7/0x3d0 [ 12.123606][ T478] nfnetlink_rcv+0x170/0x520 [ 12.123609][ T478] ? nfnetlink_rcv_batch+0x1510/0x1510 [ 12.123611][ T478] ? netlink_deliver_tap+0x13c/0x330 [ 12.123614][ T478] ? netlink_deliver_tap+0x141/0x330 [ 12.123616][ T478] netlink_unicast+0x486/0x750 [ 12.123620][ T478] ? netlink_attachskb+0x810/0x810 [ 12.123625][ T478] netlink_sendmsg+0x735/0xc60 [ 12.123629][ T478] ? netlink_unicast+0x750/0x750 [ 12.123632][ T478] ? __might_fault+0x97/0x140 [ 12.123636][ T478] ? _copy_from_user+0x42/0x90 [ 12.123640][ T478] __sys_sendto+0x2a9/0x3e0 [ 12.123644][ T478] ? __ia32_sys_getpeername+0xd0/0xd0 [ 12.123657][ T478] __x64_sys_sendto+0xe4/0x1f0 [ 12.123659][ T478] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.123663][ T478] ? lockdep_hardirqs_on+0x91/0x130 [ 12.123666][ T478] ? do_syscall_64+0xa6/0x570 [ 12.123668][ T478] do_syscall_64+0x10e/0x570 [ 12.123670][ T478] ? exc_page_fault+0xee/0x100 [ 12.123673][ T478] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.123675][ T478] RIP: 0033:0x7f3e6875554e [ 12.123678][ T478] 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 [ 12.123680][ T478] RSP: 002b:00007fffc74f1330 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.123683][ T478] RAX: ffffffffffffffda RBX: 00007fffc74f2390 RCX: 00007f3e6875554e [ 12.123684][ T478] RDX: 000000000000008c RSI: 00007fffc74f2390 RDI: 0000000000000005 [ 12.123685][ T478] RBP: 00007fffc74f1340 R08: 00007f3e68902980 R09: 000000000000000c [ 12.123686][ T478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc74f2390 [ 12.123687][ T478] R13: 000055bb805638a0 R14: 0000000000000000 R15: 0000000000000002 [ 12.123693][ T478] [ 12.163322][ T482] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.164326][ T476] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.164728][ T477] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.165880][ T491] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.166330][ T479] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.167479][ T483] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.168808][ T492] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.171693][ T484] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet [ 12.172304][ T493] nf_conntrack: nf_conntrack: table full in netns 4026532045, dropping packet