[ 2.830064] br1: port 1(veth1) entered blocking state [ 2.830201] br1: port 1(veth1) entered disabled state [ 2.830273] veth1: entered allmulticast mode [ 2.830364] veth1: entered promiscuous mode [ 2.841198] br1: port 1(veth1) entered blocking state [ 2.841276] br1: port 1(veth1) entered forwarding state [ 2.852431] br1: port 2(veth2) entered blocking state [ 2.852552] br1: port 2(veth2) entered disabled state [ 2.852638] veth2: entered allmulticast mode [ 2.852761] veth2: entered promiscuous mode [ 2.864556] br1: port 2(veth2) entered blocking state [ 2.864636] br1: port 2(veth2) entered forwarding state [ 9.067451] GACT probability NOT on [ 13.421888] tc action pedit unable to extract header offset for header type (0x4) [ 14.956828] tc action pedit unable to extract header offset for header type (0x4) [ 17.392214] br1: port 2(veth2) entered disabled state [ 17.403009] veth2: left allmulticast mode [ 17.403068] veth2: left promiscuous mode [ 17.403114] br1: port 2(veth2) entered disabled state [ 17.413939] br1: port 1(veth1) entered disabled state [ 17.424925] veth1: left allmulticast mode [ 17.424980] veth1: left promiscuous mode [ 17.425025] br1: port 1(veth1) entered disabled state [ 17.450820] ------------[ cut here ]------------ [ 17.450953] refcount_t: underflow; use-after-free. [ 17.451037] WARNING: CPU: 2 PID: 729 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 17.451139] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth [ 17.451253] CPU: 2 UID: 0 PID: 729 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 17.451358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.451445] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 17.451517] Code: a9 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 31 a9 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 [ 17.451700] RSP: 0018:ffffa51300cff730 EFLAGS: 00010282 [ 17.451782] RAX: 0000000000000000 RBX: ffffa51300cff740 RCX: 00000000ffffdfff [ 17.451904] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 17.452002] RBP: ffffa51300cff248 R08: ffffffffa9756a28 R09: 00000000ffffdfff [ 17.452088] R10: ffffffffa9676a40 R11: ffffffffa9726a40 R12: dead000000000122 [ 17.452183] R13: 00000000fffbafbe R14: 0000000000000001 R15: ffff99a0835e8000 [ 17.452279] FS: 00007f357c9c5800(0000) GS:ffff99a114ed9000(0000) knlGS:0000000000000000 [ 17.452374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.452455] CR2: 00000000004e68d0 CR3: 0000000007f64002 CR4: 0000000000772ef0 [ 17.452555] PKRU: 55555554 [ 17.452603] Call Trace: [ 17.452652] [ 17.452703] netdev_run_todo+0x21a/0x550 [ 17.452771] rtnl_dellink+0x15b/0x350 [ 17.452842] ? virtio_fs_enqueue_req+0x352/0x570 [ 17.452899] ? netdev_run_todo+0x63/0x550 [ 17.452952] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 17.453024] rtnetlink_rcv_msg+0x358/0x400 [ 17.453087] ? get_page_from_freelist+0x15b4/0x1770 [ 17.453160] ? rtnl_calcit.isra.0+0x110/0x110 [ 17.453231] netlink_rcv_skb+0x57/0x100 [ 17.453284] netlink_unicast+0x252/0x380 [ 17.453332] ? __alloc_skb+0xdb/0x190 [ 17.453382] netlink_sendmsg+0x1be/0x3e0 [ 17.453431] ____sys_sendmsg+0x132/0x260 [ 17.453482] ? copy_msghdr_from_user+0x6c/0xa0 [ 17.453540] ___sys_sendmsg+0x87/0xd0 [ 17.453600] ? do_wp_page+0x369/0xe90 [ 17.453652] ? ___pte_offset_map+0x1b/0xd0 [ 17.453702] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 17.453760] ? fsnotify_grab_connector+0x48/0x80 [ 17.453826] ? fsnotify_destroy_marks+0x29/0x150 [ 17.453883] __sys_sendmsg+0x71/0xd0 [ 17.453937] do_syscall_64+0xa4/0xfd0 [ 17.453988] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.454045] RIP: 0033:0x7f357cb931d7 [ 17.454094] 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 [ 17.454227] RSP: 002b:00007ffd3b06a978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.454299] RAX: ffffffffffffffda RBX: 00007ffd3b06b0a0 RCX: 00007f357cb931d7 [ 17.454369] RDX: 0000000000000000 RSI: 00007ffd3b06a9e0 RDI: 0000000000000005 [ 17.454440] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 17.454511] R10: 00007f357ca8ff60 R11: 0000000000000246 R12: 0000000000000002 [ 17.454588] R13: 00000000690de7c1 R14: 0000000000499600 R15: 0000000000000000 [ 17.454683] [ 17.454724] ---[ end trace 0000000000000000 ]--- [ 17.455231] ip (729) used greatest stack depth: 11744 bytes left