[ 2.857449] br0: port 1(veth1) entered blocking state [ 2.857542] br0: port 1(veth1) entered disabled state [ 2.857634] veth1: entered allmulticast mode [ 2.857755] veth1: entered promiscuous mode [ 2.869104] br0: port 2(veth2) entered blocking state [ 2.869258] br0: port 2(veth2) entered disabled state [ 2.869368] veth2: entered allmulticast mode [ 2.869541] veth2: entered promiscuous mode [ 2.881532] br0: port 3(veth4) entered blocking state [ 2.881606] br0: port 3(veth4) entered disabled state [ 2.881677] veth4: entered allmulticast mode [ 2.881771] veth4: entered promiscuous mode [ 2.970175] br0: port 1(veth1) entered blocking state [ 2.970300] br0: port 1(veth1) entered forwarding state [ 2.982350] br0: port 2(veth2) entered blocking state [ 2.982491] br0: port 2(veth2) entered forwarding state [ 2.994220] br0: port 3(veth4) entered blocking state [ 2.994300] br0: port 3(veth4) entered forwarding state [ 16.322545] veth3: entered promiscuous mode [ 16.396014] GACT probability NOT on [ 16.397588] tc (380) used greatest stack depth: 11840 bytes left [ 17.513998] veth3: left promiscuous mode [ 17.525185] veth3: entered promiscuous mode [ 18.658994] veth3: left promiscuous mode [ 18.678565] br0: port 3(veth4) entered disabled state [ 18.689806] br0: port 2(veth2) entered disabled state [ 18.701238] br0: port 1(veth1) entered disabled state [ 18.714343] veth4: left allmulticast mode [ 18.714433] veth4: left promiscuous mode [ 18.714497] br0: port 3(veth4) entered disabled state [ 18.714674] veth2: left allmulticast mode [ 18.714711] veth2: left promiscuous mode [ 18.714745] br0: port 2(veth2) entered disabled state [ 18.714861] veth1: left allmulticast mode [ 18.714898] veth1: left promiscuous mode [ 18.714937] br0: port 1(veth1) entered disabled state [ 18.735434] ------------[ cut here ]------------ [ 18.735577] refcount_t: underflow; use-after-free. [ 18.735651] WARNING: CPU: 0 PID: 411 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 18.735741] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 18.735821] CPU: 0 UID: 0 PID: 411 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 18.735898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.735954] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 18.736001] 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 31 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 [ 18.736139] RSP: 0018:ffffa6b2c034b730 EFLAGS: 00010282 [ 18.736190] RAX: 0000000000000000 RBX: ffffa6b2c034b740 RCX: 00000000ffffdfff [ 18.736261] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 18.736326] RBP: ffffa6b2c034b248 R08: ffffffffb6756a28 R09: 00000000ffffdfff [ 18.736403] R10: ffffffffb6676a40 R11: ffffffffb6726a40 R12: dead000000000122 [ 18.736472] R13: 00000000fffbb4d1 R14: 0000000000000001 R15: ffff971744f6a000 [ 18.736551] FS: 00007f0e1f0ce800(0000) GS:ffff9717c7dd9000(0000) knlGS:0000000000000000 [ 18.736621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.736679] CR2: 000055d05b73e748 CR3: 0000000007009003 CR4: 0000000000772ef0 [ 18.736743] PKRU: 55555554 [ 18.736770] Call Trace: [ 18.736792] [ 18.736818] netdev_run_todo+0x21a/0x550 [ 18.736866] rtnl_dellink+0x15b/0x350 [ 18.736912] ? virtio_fs_enqueue_req+0x352/0x570 [ 18.736965] ? netdev_run_todo+0x63/0x550 [ 18.736999] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 18.737053] rtnetlink_rcv_msg+0x358/0x400 [ 18.737094] ? get_page_from_freelist+0x15b4/0x1770 [ 18.737145] ? rtnl_calcit.isra.0+0x110/0x110 [ 18.737196] netlink_rcv_skb+0x57/0x100 [ 18.737255] netlink_unicast+0x252/0x380 [ 18.737292] ? __alloc_skb+0xdb/0x190 [ 18.737327] netlink_sendmsg+0x1be/0x3e0 [ 18.737377] ____sys_sendmsg+0x132/0x260 [ 18.737430] ? copy_msghdr_from_user+0x6c/0xa0 [ 18.737481] ___sys_sendmsg+0x87/0xd0 [ 18.737544] ? do_wp_page+0x369/0xe90 [ 18.737589] ? ___pte_offset_map+0x1b/0xd0 [ 18.737631] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 18.737702] ? fsnotify_grab_connector+0x48/0x80 [ 18.737755] ? fsnotify_destroy_marks+0x29/0x150 [ 18.737792] __sys_sendmsg+0x71/0xd0 [ 18.737837] do_syscall_64+0xa4/0xfd0 [ 18.737879] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.737928] RIP: 0033:0x7f0e1f29c1d7 [ 18.737981] 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 [ 18.738129] RSP: 002b:00007ffeeaf4e478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.738219] RAX: ffffffffffffffda RBX: 00007ffeeaf4eba0 RCX: 00007f0e1f29c1d7 [ 18.738279] RDX: 0000000000000000 RSI: 00007ffeeaf4e4e0 RDI: 0000000000000005 [ 18.738343] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 18.738418] R10: 00007f0e1f198f60 R11: 0000000000000246 R12: 0000000000000002 [ 18.738488] R13: 00000000690ded61 R14: 0000000000499600 R15: 0000000000000000 [ 18.738562] [ 18.738593] ---[ end trace 0000000000000000 ]--- [ 18.739233] ip (411) used greatest stack depth: 11744 bytes left