[ 2.358507] br0: port 1(veth1) entered blocking state [ 2.358621] br0: port 1(veth1) entered disabled state [ 2.358693] veth1: entered allmulticast mode [ 2.358788] veth1: entered promiscuous mode [ 2.369538] br0: port 2(veth2) entered blocking state [ 2.369623] br0: port 2(veth2) entered disabled state [ 2.369684] veth2: entered allmulticast mode [ 2.369823] veth2: entered promiscuous mode [ 2.391256] br0: port 1(veth1) entered blocking state [ 2.391320] br0: port 1(veth1) entered forwarding state [ 2.401553] br0: port 2(veth2) entered blocking state [ 2.401641] br0: port 2(veth2) entered forwarding state [ 12.593845] GACT probability NOT on [ 12.595004] tc (318) used greatest stack depth: 11840 bytes left [ 118.908599] br0: port 1(veth1) entered disabled state [ 123.945122] br0: port 1(veth1) entered forwarding state [ 129.000124] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 139.134856] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 139.156198] br0: port 2(veth2) entered disabled state [ 139.169732] br0: port 1(veth1) entered disabled state [ 139.182462] veth2: left allmulticast mode [ 139.182530] veth2: left promiscuous mode [ 139.182571] br0: port 2(veth2) entered disabled state [ 139.182704] veth1: left allmulticast mode [ 139.182748] veth1: left promiscuous mode [ 139.182786] br0: port 1(veth1) entered disabled state [ 139.197280] ------------[ cut here ]------------ [ 139.197375] refcount_t: underflow; use-after-free. [ 139.197435] WARNING: CPU: 0 PID: 1667 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 139.197507] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 139.197575] CPU: 0 UID: 0 PID: 1667 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 139.197635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.197674] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 139.197711] Code: 8f 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 8f 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 [ 139.197828] RSP: 0018:ffffba8ac2c7f730 EFLAGS: 00010282 [ 139.197864] RAX: 0000000000000000 RBX: ffffba8ac2c7f740 RCX: 00000000ffffdfff [ 139.197922] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 139.197978] RBP: ffffba8ac2c7f248 R08: ffffffff8f756a28 R09: 00000000ffffdfff [ 139.198024] R10: ffffffff8f676a40 R11: ffffffff8f726a40 R12: dead000000000122 [ 139.198071] R13: 00000000fffd8b58 R14: 0000000000000001 R15: ffff967f43308000 [ 139.198135] FS: 00007efd6a04c800(0000) GS:ffff967feedd9000(0000) knlGS:0000000000000000 [ 139.198199] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 139.198251] CR2: 00000000004e68c8 CR3: 0000000001afc006 CR4: 0000000000772ef0 [ 139.198305] PKRU: 55555554 [ 139.198327] Call Trace: [ 139.198345] [ 139.198365] netdev_run_todo+0x21a/0x550 [ 139.198405] rtnl_dellink+0x15b/0x350 [ 139.198445] ? virtio_fs_enqueue_req+0x352/0x570 [ 139.198489] ? netdev_run_todo+0x63/0x550 [ 139.198540] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 139.198577] rtnetlink_rcv_msg+0x358/0x400 [ 139.198609] ? get_page_from_freelist+0x15b4/0x1770 [ 139.198655] ? rtnl_calcit.isra.0+0x110/0x110 [ 139.198694] netlink_rcv_skb+0x57/0x100 [ 139.198728] netlink_unicast+0x252/0x380 [ 139.198758] ? __alloc_skb+0xdb/0x190 [ 139.198793] netlink_sendmsg+0x1be/0x3e0 [ 139.198826] ____sys_sendmsg+0x132/0x260 [ 139.198862] ? copy_msghdr_from_user+0x6c/0xa0 [ 139.198899] ___sys_sendmsg+0x87/0xd0 [ 139.198938] ? do_wp_page+0x369/0xe90 [ 139.198970] ? ___pte_offset_map+0x1b/0xd0 [ 139.199002] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 139.199045] ? fsnotify_grab_connector+0x48/0x80 [ 139.199084] ? fsnotify_destroy_marks+0x29/0x150 [ 139.199125] __sys_sendmsg+0x71/0xd0 [ 139.199156] do_syscall_64+0xa4/0xfd0 [ 139.199187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 139.199225] RIP: 0033:0x7efd6a21a1d7 [ 139.199261] 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 [ 139.199377] RSP: 002b:00007fffd178ab28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.199431] RAX: ffffffffffffffda RBX: 00007fffd178b250 RCX: 00007efd6a21a1d7 [ 139.199485] RDX: 0000000000000000 RSI: 00007fffd178ab90 RDI: 0000000000000005 [ 139.199539] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 139.199589] R10: 00007efd6a116f60 R11: 0000000000000246 R12: 0000000000000002 [ 139.199637] R13: 00000000690deb09 R14: 0000000000499600 R15: 0000000000000000 [ 139.199692] [ 139.199718] ---[ end trace 0000000000000000 ]--- [ 139.200358] ip (1667) used greatest stack depth: 11744 bytes left