[ 2.682705] br0: port 1(veth1) entered blocking state [ 2.682816] br0: port 1(veth1) entered disabled state [ 2.682900] veth1: entered allmulticast mode [ 2.683034] veth1: entered promiscuous mode [ 2.694816] br0: port 2(veth2) entered blocking state [ 2.694906] br0: port 2(veth2) entered disabled state [ 2.694973] veth2: entered allmulticast mode [ 2.695083] veth2: entered promiscuous mode [ 2.707757] br0: port 3(veth4) entered blocking state [ 2.707843] br0: port 3(veth4) entered disabled state [ 2.707903] veth4: entered allmulticast mode [ 2.708018] veth4: entered promiscuous mode [ 2.801531] br0: port 1(veth1) entered blocking state [ 2.801606] br0: port 1(veth1) entered forwarding state [ 2.813713] br0: port 2(veth2) entered blocking state [ 2.813778] br0: port 2(veth2) entered forwarding state [ 2.825736] br0: port 3(veth4) entered blocking state [ 2.825817] br0: port 3(veth4) entered forwarding state [ 16.212722] veth3: entered promiscuous mode [ 16.292257] GACT probability NOT on [ 16.293707] tc (379) used greatest stack depth: 11840 bytes left [ 17.398940] veth3: left promiscuous mode [ 17.411008] veth3: entered promiscuous mode [ 18.556531] veth3: left promiscuous mode [ 18.582275] br0: port 3(veth4) entered disabled state [ 18.594411] br0: port 2(veth2) entered disabled state [ 18.605732] br0: port 1(veth1) entered disabled state [ 18.617819] veth4: left allmulticast mode [ 18.617897] veth4: left promiscuous mode [ 18.617944] br0: port 3(veth4) entered disabled state [ 18.618076] veth2: left allmulticast mode [ 18.618110] veth2: left promiscuous mode [ 18.618144] br0: port 2(veth2) entered disabled state [ 18.618259] veth1: left allmulticast mode [ 18.618297] veth1: left promiscuous mode [ 18.618330] br0: port 1(veth1) entered disabled state [ 18.640299] ------------[ cut here ]------------ [ 18.640430] refcount_t: underflow; use-after-free. [ 18.640495] WARNING: CPU: 0 PID: 411 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 18.640584] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 18.640684] CPU: 0 UID: 0 PID: 411 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 18.640784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.640855] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 18.640918] Code: ad 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 d1 ad 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 [ 18.641115] RSP: 0018:ffffada8003d3730 EFLAGS: 00010282 [ 18.641168] RAX: 0000000000000000 RBX: ffffada8003d3740 RCX: 00000000ffffdfff [ 18.641256] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 18.641343] RBP: ffffada8003d3248 R08: ffffffffae156a28 R09: 00000000ffffdfff [ 18.641435] R10: ffffffffae076a40 R11: ffffffffae126a40 R12: dead000000000122 [ 18.641514] R13: 00000000fffbb46e R14: 0000000000000001 R15: ffff892a030fa000 [ 18.641598] FS: 00007fb294b62800(0000) GS:ffff892a903d9000(0000) knlGS:0000000000000000 [ 18.641686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.641767] CR2: 00000000004e68c8 CR3: 0000000007a60006 CR4: 0000000000772ef0 [ 18.641848] PKRU: 55555554 [ 18.641873] Call Trace: [ 18.641902] [ 18.641936] netdev_run_todo+0x21a/0x550 [ 18.641988] rtnl_dellink+0x15b/0x350 [ 18.642039] ? virtio_fs_enqueue_req+0x352/0x570 [ 18.642104] ? netdev_run_todo+0x63/0x550 [ 18.642147] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 18.642201] rtnetlink_rcv_msg+0x358/0x400 [ 18.642254] ? get_page_from_freelist+0x15b4/0x1770 [ 18.642316] ? rtnl_calcit.isra.0+0x110/0x110 [ 18.642370] netlink_rcv_skb+0x57/0x100 [ 18.642427] netlink_unicast+0x252/0x380 [ 18.642473] ? __alloc_skb+0xdb/0x190 [ 18.642524] netlink_sendmsg+0x1be/0x3e0 [ 18.642572] ____sys_sendmsg+0x132/0x260 [ 18.642624] ? copy_msghdr_from_user+0x6c/0xa0 [ 18.642681] ___sys_sendmsg+0x87/0xd0 [ 18.642735] ? do_wp_page+0x369/0xe90 [ 18.642782] ? ___pte_offset_map+0x1b/0xd0 [ 18.642820] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 18.642884] ? fsnotify_grab_connector+0x48/0x80 [ 18.642946] ? fsnotify_destroy_marks+0x29/0x150 [ 18.643002] __sys_sendmsg+0x71/0xd0 [ 18.643049] do_syscall_64+0xa4/0xfd0 [ 18.643096] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.643154] RIP: 0033:0x7fb294d301d7 [ 18.643203] 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 [ 18.643398] RSP: 002b:00007ffe18c802d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.643485] RAX: ffffffffffffffda RBX: 00007ffe18c80a00 RCX: 00007fb294d301d7 [ 18.643571] RDX: 0000000000000000 RSI: 00007ffe18c80340 RDI: 0000000000000005 [ 18.643651] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 18.643729] R10: 00007fb294c2cf60 R11: 0000000000000246 R12: 0000000000000002 [ 18.643807] R13: 00000000690de76d R14: 0000000000499600 R15: 0000000000000000 [ 18.643893] [ 18.643933] ---[ end trace 0000000000000000 ]--- [ 18.644582] ip (411) used greatest stack depth: 11744 bytes left