[ 2.478448] br1: port 1(veth1) entered blocking state [ 2.478524] br1: port 1(veth1) entered disabled state [ 2.478589] veth1: entered allmulticast mode [ 2.478681] veth1: entered promiscuous mode [ 2.491254] br1: port 1(veth1) entered blocking state [ 2.491327] br1: port 1(veth1) entered forwarding state [ 2.502846] br1: port 2(veth2) entered blocking state [ 2.502916] br1: port 2(veth2) entered disabled state [ 2.502975] veth2: entered allmulticast mode [ 2.503093] veth2: entered promiscuous mode [ 2.515246] br1: port 2(veth2) entered blocking state [ 2.515357] br1: port 2(veth2) entered forwarding state [ 7.684077] GACT probability NOT on [ 7.685726] tc (312) used greatest stack depth: 11840 bytes left [ 19.155126] br1: port 2(veth2) entered disabled state [ 19.166458] veth2: left allmulticast mode [ 19.166559] veth2: left promiscuous mode [ 19.166629] br1: port 2(veth2) entered disabled state [ 19.178064] br1: port 1(veth1) entered disabled state [ 19.189136] veth1: left allmulticast mode [ 19.189228] veth1: left promiscuous mode [ 19.189297] br1: port 1(veth1) entered disabled state [ 19.215075] ------------[ cut here ]------------ [ 19.215200] refcount_t: underflow; use-after-free. [ 19.215264] WARNING: CPU: 0 PID: 514 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 19.215358] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 19.215448] CPU: 0 UID: 0 PID: 514 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 19.215547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.215614] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 19.215674] Code: b6 e8 18 df ba ff 90 0f 0b 90 90 c3 80 3d f9 da eb 00 00 75 89 c6 05 f0 da eb 00 01 90 48 c7 c7 28 e0 b1 b6 e8 f5 de ba ff 90 <0f> 0b 90 90 c3 80 3d d4 da eb 00 00 0f 85 62 ff ff ff c6 05 c7 da [ 19.215853] RSP: 0018:ffffa1b280abf730 EFLAGS: 00010282 [ 19.215905] RAX: 0000000000000000 RBX: ffffa1b280abf740 RCX: 00000000ffffdfff [ 19.215987] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 19.216093] RBP: ffffa1b280abf248 R08: ffffffffb6f56a28 R09: 00000000ffffdfff [ 19.216177] R10: ffffffffb6e76a40 R11: ffffffffb6f26a40 R12: dead000000000122 [ 19.216256] R13: 00000000fffbb6b1 R14: 0000000000000001 R15: ffff89a443156000 [ 19.216339] FS: 00007f70ebf63800(0000) GS:ffff89a4c75d9000(0000) knlGS:0000000000000000 [ 19.216425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.216491] CR2: 00000000004e68d0 CR3: 00000000084ed005 CR4: 0000000000772ef0 [ 19.216571] PKRU: 55555554 [ 19.216594] Call Trace: [ 19.216622] [ 19.216646] netdev_run_todo+0x21a/0x550 [ 19.216696] rtnl_dellink+0x15b/0x350 [ 19.216744] ? virtio_fs_enqueue_req+0x352/0x570 [ 19.216811] ? netdev_run_todo+0x63/0x550 [ 19.216850] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 19.216902] rtnetlink_rcv_msg+0x358/0x400 [ 19.216941] ? get_page_from_freelist+0x15b4/0x1770 [ 19.216999] ? rtnl_calcit.isra.0+0x110/0x110 [ 19.217066] netlink_rcv_skb+0x57/0x100 [ 19.217118] netlink_unicast+0x252/0x380 [ 19.217163] ? __alloc_skb+0xdb/0x190 [ 19.217211] netlink_sendmsg+0x1be/0x3e0 [ 19.217251] ____sys_sendmsg+0x132/0x260 [ 19.217297] ? copy_msghdr_from_user+0x6c/0xa0 [ 19.217351] ___sys_sendmsg+0x87/0xd0 [ 19.217391] ? do_wp_page+0x369/0xe90 [ 19.217438] ? ___pte_offset_map+0x1b/0xd0 [ 19.217477] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 19.217538] ? fsnotify_grab_connector+0x48/0x80 [ 19.217597] ? fsnotify_destroy_marks+0x29/0x150 [ 19.217657] __sys_sendmsg+0x71/0xd0 [ 19.217696] do_syscall_64+0xa4/0xfd0 [ 19.217744] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.217805] RIP: 0033:0x7f70ec1311d7 [ 19.217846] 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 [ 19.218030] RSP: 002b:00007ffc9b3f7a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 19.218125] RAX: ffffffffffffffda RBX: 00007ffc9b3f81a0 RCX: 00007f70ec1311d7 [ 19.218204] RDX: 0000000000000000 RSI: 00007ffc9b3f7ae0 RDI: 0000000000000005 [ 19.218283] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 19.218364] R10: 00007f70ec02df60 R11: 0000000000000246 R12: 0000000000000002 [ 19.218443] R13: 00000000690de75c R14: 0000000000499600 R15: 0000000000000000 [ 19.218520] [ 19.218545] ---[ end trace 0000000000000000 ]--- [ 19.219121] ip (514) used greatest stack depth: 11744 bytes left