[ 2.141762] ip (246) used greatest stack depth: 12288 bytes left [ 2.399067] 8021q: 802.1Q VLAN Support v1.8 [ 2.622147] br0: port 1(veth1) entered blocking state [ 2.622292] br0: port 1(veth1) entered disabled state [ 2.622388] veth1: entered allmulticast mode [ 2.622546] veth1: entered promiscuous mode [ 2.633341] br0: port 2(veth2) entered blocking state [ 2.633435] br0: port 2(veth2) entered disabled state [ 2.633519] veth2: entered allmulticast mode [ 2.633640] veth2: entered promiscuous mode [ 2.663362] br0: port 1(veth1) entered blocking state [ 2.663476] br0: port 1(veth1) entered forwarding state [ 2.674781] br0: port 2(veth2) entered blocking state [ 2.674860] br0: port 2(veth2) entered forwarding state [ 47.351132] Mirror/redirect action on [ 47.352549] tc (568) used greatest stack depth: 11840 bytes left [ 53.542257] br0: port 2(veth2) entered disabled state [ 53.555224] br0: port 1(veth1) entered disabled state [ 53.567432] veth2: left allmulticast mode [ 53.567493] veth2: left promiscuous mode [ 53.567537] br0: port 2(veth2) entered disabled state [ 53.567711] veth1: left allmulticast mode [ 53.567751] veth1: left promiscuous mode [ 53.567788] br0: port 1(veth1) entered disabled state [ 53.584314] ------------[ cut here ]------------ [ 53.584401] refcount_t: underflow; use-after-free. [ 53.584479] WARNING: CPU: 3 PID: 610 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 53.584559] Modules linked in: act_mirred cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 53.584661] CPU: 3 UID: 0 PID: 610 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 53.584737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.584790] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 53.584836] Code: b3 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 f1 b3 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 [ 53.584976] RSP: 0018:ffffbcc700303730 EFLAGS: 00010282 [ 53.585025] RAX: 0000000000000000 RBX: ffffbcc700303740 RCX: 00000000ffffdfff [ 53.585085] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 53.585145] RBP: ffffbcc700303248 R08: ffffffffb4356a28 R09: 00000000ffffdfff [ 53.585204] R10: ffffffffb4276a40 R11: ffffffffb4326a40 R12: dead000000000122 [ 53.585272] R13: 00000000fffc3ceb R14: 0000000000000001 R15: ffff9fc88202a000 [ 53.585347] FS: 00007fc9315bd800(0000) GS:ffff9fc90a359000(0000) knlGS:0000000000000000 [ 53.585413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.585461] CR2: 00005647b6f8dc40 CR3: 0000000006fed001 CR4: 0000000000772ef0 [ 53.585523] PKRU: 55555554 [ 53.585547] Call Trace: [ 53.585575] [ 53.585600] netdev_run_todo+0x21a/0x550 [ 53.585648] rtnl_dellink+0x15b/0x350 [ 53.585695] ? virtio_fs_enqueue_req+0x352/0x570 [ 53.585751] ? netdev_run_todo+0x63/0x550 [ 53.585788] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 53.585831] rtnetlink_rcv_msg+0x358/0x400 [ 53.585869] ? get_page_from_freelist+0x15b4/0x1770 [ 53.585922] ? rtnl_calcit.isra.0+0x110/0x110 [ 53.585968] netlink_rcv_skb+0x57/0x100 [ 53.586018] netlink_unicast+0x252/0x380 [ 53.586054] ? __alloc_skb+0xdb/0x190 [ 53.586093] netlink_sendmsg+0x1be/0x3e0 [ 53.586126] ____sys_sendmsg+0x132/0x260 [ 53.586173] ? copy_msghdr_from_user+0x6c/0xa0 [ 53.586220] ___sys_sendmsg+0x87/0xd0 [ 53.586261] ? do_wp_page+0x369/0xe90 [ 53.586318] ? ___pte_offset_map+0x1b/0xd0 [ 53.586356] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 53.586410] ? fsnotify_grab_connector+0x48/0x80 [ 53.586461] ? fsnotify_destroy_marks+0x29/0x150 [ 53.586507] __sys_sendmsg+0x71/0xd0 [ 53.586552] do_syscall_64+0xa4/0xfd0 [ 53.586611] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 53.586668] RIP: 0033:0x7fc93178b1d7 [ 53.586701] 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 [ 53.586838] RSP: 002b:00007fff247082b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 53.586905] RAX: ffffffffffffffda RBX: 00007fff247089e0 RCX: 00007fc93178b1d7 [ 53.586964] RDX: 0000000000000000 RSI: 00007fff24708320 RDI: 0000000000000005 [ 53.587042] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 53.587108] R10: 00007fc931687f60 R11: 0000000000000246 R12: 0000000000000002 [ 53.587168] R13: 00000000690dec72 R14: 0000000000499600 R15: 0000000000000000 [ 53.587230] [ 53.587259] ---[ end trace 0000000000000000 ]--- [ 53.587934] ip (610) used greatest stack depth: 11744 bytes left