[ 2.932255] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2.952519] br0: port 1(veth1) entered blocking state [ 2.952589] br0: port 1(veth1) entered disabled state [ 2.952655] veth1: entered allmulticast mode [ 2.952728] veth1: entered promiscuous mode [ 2.964202] br0: port 2(veth2) entered blocking state [ 2.964310] br0: port 2(veth2) entered disabled state [ 2.964407] veth2: entered allmulticast mode [ 2.964509] veth2: entered promiscuous mode [ 2.976996] br0: port 3(veth3) entered blocking state [ 2.977069] br0: port 3(veth3) entered disabled state [ 2.977144] veth3: entered allmulticast mode [ 2.977241] veth3: entered promiscuous mode [ 3.078362] veth4: entered promiscuous mode [ 3.090508] br0: port 4(macvlan4) entered blocking state [ 3.090571] br0: port 4(macvlan4) entered disabled state [ 3.090627] macvlan4: entered allmulticast mode [ 3.090667] veth4: entered allmulticast mode [ 3.090745] macvlan4: entered promiscuous mode [ 3.102252] br0: entered promiscuous mode [ 3.129782] Bridge firewalling registered [ 3.349039] br0: port 1(veth1) entered blocking state [ 3.349120] br0: port 1(veth1) entered forwarding state [ 3.360960] br0: port 2(veth2) entered blocking state [ 3.361068] br0: port 2(veth2) entered forwarding state [ 3.373622] br0: port 3(veth3) entered blocking state [ 3.373722] br0: port 3(veth3) entered forwarding state [ 3.385589] br0: port 4(macvlan4) entered blocking state [ 3.385685] br0: port 4(macvlan4) entered forwarding state [ 34.412403] macvlan4: left allmulticast mode [ 34.412495] veth4: left allmulticast mode [ 34.412542] macvlan4: left promiscuous mode [ 34.412620] br0: port 4(macvlan4) entered disabled state [ 34.412843] veth3: left allmulticast mode [ 34.412895] veth3: left promiscuous mode [ 34.412961] br0: port 3(veth3) entered disabled state [ 34.413091] veth2: left allmulticast mode [ 34.413135] veth2: left promiscuous mode [ 34.413182] br0: port 2(veth2) entered disabled state [ 34.413330] veth1: left allmulticast mode [ 34.413375] veth1: left promiscuous mode [ 34.413423] br0: port 1(veth1) entered disabled state [ 34.439815] ------------[ cut here ]------------ [ 34.439889] refcount_t: underflow; use-after-free. [ 34.439955] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 34.440040] Modules linked in: nft_meta_bridge nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables br_netfilter macvlan bridge stp llc veth [ 34.440202] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 34.440271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.440323] Workqueue: netns cleanup_net [ 34.440364] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 34.440418] Code: 94 e8 18 ed b9 ff 90 0f 0b 90 90 c3 80 3d d9 ea ea 00 00 75 89 c6 05 d0 ea ea 00 01 90 48 c7 c7 78 de 51 94 e8 f5 ec b9 ff 90 <0f> 0b 90 90 c3 80 3d b4 ea ea 00 00 0f 85 62 ff ff ff c6 05 a7 ea [ 34.440552] RSP: 0018:ffffa7d5c0257d50 EFLAGS: 00010286 [ 34.440595] RAX: 0000000000000000 RBX: ffffa7d5c0257d60 RCX: 00000000ffffdfff [ 34.440663] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.440746] RBP: ffffa7d5c0257868 R08: ffffffff94956d28 R09: 00000000ffffdfff [ 34.440863] R10: ffffffff94876d40 R11: ffffffff94926d40 R12: dead000000000122 [ 34.440958] R13: 00000000fffbf210 R14: 0000000000000001 R15: ffff9c4045bd0000 [ 34.441039] FS: 0000000000000000(0000) GS:ffff9c40e9bd8000(0000) knlGS:0000000000000000 [ 34.441101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.441153] CR2: 000055df0a158dec CR3: 000000000599f003 CR4: 0000000000772ef0 [ 34.441224] PKRU: 55555554 [ 34.441241] Call Trace: [ 34.441262] [ 34.441285] netdev_run_todo+0x21a/0x550 [ 34.441340] ops_undo_list+0x1e3/0x1f0 [ 34.441396] cleanup_net+0x1b7/0x2b0 [ 34.441428] process_one_work+0x162/0x380 [ 34.441467] worker_thread+0x299/0x3c0 [ 34.441499] ? rescuer_thread+0x4c0/0x4c0 [ 34.441532] kthread+0x101/0x1f0 [ 34.441562] ? kthreads_online_cpu+0x110/0x110 [ 34.441607] ? kthreads_online_cpu+0x110/0x110 [ 34.441647] ret_from_fork+0x11c/0x140 [ 34.441705] ? kthreads_online_cpu+0x110/0x110 [ 34.441756] ret_from_fork_asm+0x11/0x20 [ 34.441800] [ 34.441827] ---[ end trace 0000000000000000 ]--- [ 34.441967] veth4: left promiscuous mode