[ 2.870031] ip (272) used greatest stack depth: 12168 bytes left [ 6.162674] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 6.200673] br0: port 1(veth0) entered blocking state [ 6.200781] br0: port 1(veth0) entered disabled state [ 6.200873] veth0: entered allmulticast mode [ 6.200990] veth0: entered promiscuous mode [ 6.236309] br0: port 1(veth0) entered blocking state [ 6.236382] br0: port 1(veth0) entered forwarding state [ 6.650778] veth0: left allmulticast mode [ 6.650853] veth0: left promiscuous mode [ 6.650907] br0: port 1(veth0) entered disabled state [ 6.691532] 8021q: 802.1Q VLAN Support v1.8 [ 6.730770] br0: port 1(veth0.10) entered blocking state [ 6.730848] br0: port 1(veth0.10) entered disabled state [ 6.730904] veth0.10: entered allmulticast mode [ 6.730961] veth0: entered allmulticast mode [ 6.731061] veth0.10: entered promiscuous mode [ 6.731119] veth0: entered promiscuous mode [ 6.731186] br0: port 1(veth0.10) entered blocking state [ 6.731242] br0: port 1(veth0.10) entered forwarding state [ 7.198186] br0: port 1(veth0.10) entered disabled state [ 7.223624] veth0.10 (unregistering): left allmulticast mode [ 7.223735] veth0: left allmulticast mode [ 7.223776] veth0.10 (unregistering): left promiscuous mode [ 7.223835] veth0: left promiscuous mode [ 7.223889] br0: port 1(veth0.10) entered disabled state [ 7.232661] ------------[ cut here ]------------ [ 7.232800] refcount_t: underflow; use-after-free. [ 7.232879] WARNING: CPU: 3 PID: 695 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 7.232994] Modules linked in: 8021q bridge stp llc nft_masq nft_nat nft_chain_nat nf_nat tcp_diag inet_diag nft_flow_offload nft_ct nf_flow_table_inet nf_flow_table nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth [ 7.233259] CPU: 3 UID: 0 PID: 695 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 7.233383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.233462] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 7.233535] Code: 87 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 b1 87 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 [ 7.233771] RSP: 0018:ffffb86a80403730 EFLAGS: 00010282 [ 7.233846] RAX: 0000000000000000 RBX: ffffb86a80403740 RCX: 00000000ffffdfff [ 7.233941] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 7.234036] RBP: ffffb86a80403248 R08: ffffffff87f56d28 R09: 00000000ffffdfff [ 7.234131] R10: ffffffff87e76d40 R11: ffffffff87f26d40 R12: dead000000000122 [ 7.234228] R13: 00000000fffb87d7 R14: 0000000000000001 R15: ffff89ec0514b000 [ 7.234326] FS: 00007fa299728800(0000) GS:ffff89ecb6758000(0000) knlGS:0000000000000000 [ 7.234422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.234499] CR2: 00000000004a1778 CR3: 000000000b8aa002 CR4: 0000000000772ef0 [ 7.234603] PKRU: 55555554 [ 7.234643] Call Trace: [ 7.234679] [ 7.234720] netdev_run_todo+0x21a/0x550 [ 7.234778] rtnl_dellink+0x15b/0x350 [ 7.234840] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 7.234906] rtnetlink_rcv_msg+0x358/0x400 [ 7.234959] ? get_page_from_freelist+0x15b4/0x1770 [ 7.235029] ? rtnl_calcit.isra.0+0x110/0x110 [ 7.235089] netlink_rcv_skb+0x57/0x100 [ 7.235146] netlink_unicast+0x252/0x380 [ 7.235196] ? __alloc_skb+0xdb/0x190 [ 7.235249] netlink_sendmsg+0x1be/0x3e0 [ 7.235301] ____sys_sendmsg+0x132/0x260 [ 7.235354] ? copy_msghdr_from_user+0x6c/0xa0 [ 7.235425] ___sys_sendmsg+0x87/0xd0 [ 7.235477] ? do_wp_page+0x369/0xe90 [ 7.235532] ? __handle_mm_fault+0x4e6/0xe50 [ 7.235606] __sys_sendmsg+0x71/0xd0 [ 7.235664] do_syscall_64+0xa4/0xfd0 [ 7.235722] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 7.235791] RIP: 0033:0x7fa2998f61d7 [ 7.235847] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 7.236066] RSP: 002b:00007ffdab2d91e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 7.236159] RAX: ffffffffffffffda RBX: 00007ffdab2d9920 RCX: 00007fa2998f61d7 [ 7.236250] RDX: 0000000000000000 RSI: 00007ffdab2d9250 RDI: 0000000000000005 [ 7.236340] RBP: 0000000000000000 R08: 000000000000002c R09: 0000000000404178 [ 7.236433] R10: 0000000000404178 R11: 0000000000000246 R12: 00007ffdab2d9938 [ 7.236536] R13: 00000000690dec70 R14: 0000000000499600 R15: 0000000000000000 [ 7.236634] [ 7.236674] ---[ end trace 0000000000000000 ]--- [ 7.237523] ip (695) used greatest stack depth: 11744 bytes left [ 7.529866] Initializing XFRM netlink socket [ 12.867472] br0: port 1(veth0) entered blocking state [ 12.867562] br0: port 1(veth0) entered disabled state [ 12.867648] veth0: entered allmulticast mode [ 12.867771] veth0: entered promiscuous mode [ 12.907416] br0: port 1(veth0) entered blocking state [ 12.907541] br0: port 1(veth0) entered forwarding state [ 13.758063] veth0: left allmulticast mode [ 13.758156] veth0: left promiscuous mode [ 13.758221] br0: port 1(veth0) entered disabled state [ 13.829815] br0: port 1(veth0.10) entered blocking state [ 13.829906] br0: port 1(veth0.10) entered disabled state [ 13.830012] veth0.10: entered allmulticast mode [ 13.830086] veth0: entered allmulticast mode [ 13.830198] veth0.10: entered promiscuous mode [ 13.830262] veth0: entered promiscuous mode [ 13.830334] br0: port 1(veth0.10) entered blocking state [ 13.830394] br0: port 1(veth0.10) entered forwarding state [ 14.894038] br0: port 1(veth0.10) entered disabled state [ 14.922121] veth0.10 (unregistering): left allmulticast mode [ 14.922258] veth0: left allmulticast mode [ 14.922326] veth0.10 (unregistering): left promiscuous mode [ 14.922405] veth0: left promiscuous mode [ 14.922481] br0: port 1(veth0.10) entered disabled state