[ 2.633396] br0: port 1(veth1) entered blocking state [ 2.633480] br0: port 1(veth1) entered disabled state [ 2.633546] veth1: entered allmulticast mode [ 2.633677] veth1: entered promiscuous mode [ 2.644823] br0: port 2(veth2) entered blocking state [ 2.644879] br0: port 2(veth2) entered disabled state [ 2.644970] veth2: entered allmulticast mode [ 2.645167] veth2: entered promiscuous mode [ 2.667394] br0: port 1(veth1) entered blocking state [ 2.667502] br0: port 1(veth1) entered forwarding state [ 2.678650] br0: port 2(veth2) entered blocking state [ 2.678741] br0: port 2(veth2) entered forwarding state [ 9.773419] veth0: entered promiscuous mode [ 9.851235] GACT probability NOT on [ 9.852585] tc (344) used greatest stack depth: 11840 bytes left [ 34.182784] veth0: left promiscuous mode [ 34.229911] veth3: entered promiscuous mode [ 35.377417] veth3: left promiscuous mode [ 35.402224] veth3: entered promiscuous mode [ 36.547532] veth3: left promiscuous mode [ 36.572768] veth3: entered promiscuous mode [ 37.714734] veth3: left promiscuous mode [ 37.739848] veth3: entered promiscuous mode [ 38.869915] veth3: left promiscuous mode [ 42.856964] br0: port 2(veth2) entered disabled state [ 42.868364] br0: port 1(veth1) entered disabled state [ 42.879100] veth2: left allmulticast mode [ 42.879179] veth2: left promiscuous mode [ 42.879246] br0: port 2(veth2) entered disabled state [ 42.879372] veth1: left allmulticast mode [ 42.879417] veth1: left promiscuous mode [ 42.879460] br0: port 1(veth1) entered disabled state [ 42.901151] ------------[ cut here ]------------ [ 42.901262] refcount_t: underflow; use-after-free. [ 42.901327] WARNING: CPU: 0 PID: 470 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 42.901418] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 42.901509] CPU: 0 UID: 0 PID: 470 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 42.901613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.901677] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 42.901733] Code: 89 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 51 89 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 [ 42.901917] RSP: 0018:ffffa1638098f730 EFLAGS: 00010282 [ 42.901967] RAX: 0000000000000000 RBX: ffffa1638098f740 RCX: 00000000ffffdfff [ 42.902043] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 42.902125] RBP: ffffa1638098f248 R08: ffffffff89956a28 R09: 00000000ffffdfff [ 42.902200] R10: ffffffff89876a40 R11: ffffffff89926a40 R12: dead000000000122 [ 42.902271] R13: 00000000fffc132c R14: 0000000000000001 R15: ffff8a2142ce5000 [ 42.902351] FS: 00007f9b0b965800(0000) GS:ffff8a21f4bd9000(0000) knlGS:0000000000000000 [ 42.902433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.902497] CR2: 00000000004e68c8 CR3: 00000000057c6005 CR4: 0000000000772ef0 [ 42.902572] PKRU: 55555554 [ 42.902597] Call Trace: [ 42.902622] [ 42.902647] netdev_run_todo+0x21a/0x550 [ 42.902694] rtnl_dellink+0x15b/0x350 [ 42.902740] ? virtio_fs_enqueue_req+0x352/0x570 [ 42.902804] ? netdev_run_todo+0x63/0x550 [ 42.902855] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 42.902905] rtnetlink_rcv_msg+0x358/0x400 [ 42.902951] ? get_page_from_freelist+0x15b4/0x1770 [ 42.903015] ? rtnl_calcit.isra.0+0x110/0x110 [ 42.903063] netlink_rcv_skb+0x57/0x100 [ 42.903109] netlink_unicast+0x252/0x380 [ 42.903150] ? __alloc_skb+0xdb/0x190 [ 42.903191] netlink_sendmsg+0x1be/0x3e0 [ 42.903229] ____sys_sendmsg+0x132/0x260 [ 42.903276] ? copy_msghdr_from_user+0x6c/0xa0 [ 42.903333] ___sys_sendmsg+0x87/0xd0 [ 42.903372] ? do_wp_page+0x369/0xe90 [ 42.903413] ? ___pte_offset_map+0x1b/0xd0 [ 42.903451] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 42.903510] ? fsnotify_grab_connector+0x48/0x80 [ 42.903559] ? fsnotify_destroy_marks+0x29/0x150 [ 42.903609] __sys_sendmsg+0x71/0xd0 [ 42.903648] do_syscall_64+0xa4/0xfd0 [ 42.903686] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.903736] RIP: 0033:0x7f9b0bb331d7 [ 42.903782] 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 [ 42.903955] RSP: 002b:00007fffd1a44568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.904030] RAX: ffffffffffffffda RBX: 00007fffd1a44c90 RCX: 00007f9b0bb331d7 [ 42.904106] RDX: 0000000000000000 RSI: 00007fffd1a445d0 RDI: 0000000000000005 [ 42.904186] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 42.904269] R10: 00007f9b0ba2ff60 R11: 0000000000000246 R12: 0000000000000002 [ 42.904337] R13: 00000000690de67e R14: 0000000000499600 R15: 0000000000000000 [ 42.904409] [ 42.904434] ---[ end trace 0000000000000000 ]--- [ 42.905029] ip (470) used greatest stack depth: 11744 bytes left