[ 2.527030] br0: port 1(veth1) entered blocking state [ 2.527133] br0: port 1(veth1) entered disabled state [ 2.527224] veth1: entered allmulticast mode [ 2.527332] veth1: entered promiscuous mode [ 2.538290] br0: port 2(veth2) entered blocking state [ 2.538430] br0: port 2(veth2) entered disabled state [ 2.538541] veth2: entered allmulticast mode [ 2.538703] veth2: entered promiscuous mode [ 2.561929] br0: port 1(veth1) entered blocking state [ 2.562024] br0: port 1(veth1) entered forwarding state [ 2.574073] br0: port 2(veth2) entered blocking state [ 2.574167] br0: port 2(veth2) entered forwarding state [ 9.661478] veth0: entered promiscuous mode [ 9.736441] GACT probability NOT on [ 9.738045] tc (342) used greatest stack depth: 11840 bytes left [ 34.057419] veth0: left promiscuous mode [ 34.098828] veth3: entered promiscuous mode [ 35.240957] veth3: left promiscuous mode [ 35.265968] veth3: entered promiscuous mode [ 36.408592] veth3: left promiscuous mode [ 36.433647] veth3: entered promiscuous mode [ 37.574112] veth3: left promiscuous mode [ 37.599154] veth3: entered promiscuous mode [ 38.731867] veth3: left promiscuous mode [ 60.915112] veth3: entered promiscuous mode [ 63.085217] veth3: left promiscuous mode [ 63.140460] veth3: entered promiscuous mode [ 65.352689] veth3: left promiscuous mode [ 65.401648] veth3: entered promiscuous mode [ 77.751584] br0: port 1(veth1) entered disabled state [ 77.763133] br0: port 1(veth1) entered blocking state [ 77.763243] br0: port 1(veth1) entered forwarding state [ 87.093189] veth1: left allmulticast mode [ 87.093304] veth1: left promiscuous mode [ 87.093372] br0: port 1(veth1) entered disabled state [ 87.105597] br0: port 1(veth1) entered blocking state [ 87.105711] br0: port 1(veth1) entered disabled state [ 87.105801] veth1: entered allmulticast mode [ 87.105930] veth1: entered promiscuous mode [ 87.105986] br0: port 1(veth1) entered blocking state [ 87.106043] br0: port 1(veth1) entered forwarding state [ 91.336715] veth3: left promiscuous mode [ 91.373148] br0: port 2(veth2) entered disabled state [ 91.386084] br0: port 1(veth1) entered disabled state [ 91.398123] veth1: left allmulticast mode [ 91.398191] veth1: left promiscuous mode [ 91.398244] br0: port 1(veth1) entered disabled state [ 91.398409] veth2: left allmulticast mode [ 91.398468] veth2: left promiscuous mode [ 91.398518] br0: port 2(veth2) entered disabled state [ 91.420771] ------------[ cut here ]------------ [ 91.420873] refcount_t: underflow; use-after-free. [ 91.420941] WARNING: CPU: 3 PID: 617 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 91.421021] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 91.421106] CPU: 3 UID: 0 PID: 617 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 91.421170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.421217] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 91.421256] Code: bd 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 bd 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 [ 91.421372] RSP: 0018:ffffbc5500d4f730 EFLAGS: 00010282 [ 91.421410] RAX: 0000000000000000 RBX: ffffbc5500d4f740 RCX: 00000000ffffdfff [ 91.421463] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 91.421539] RBP: ffffbc5500d4f248 R08: ffffffffbe156a28 R09: 00000000ffffdfff [ 91.421611] R10: ffffffffbe076a40 R11: ffffffffbe126a40 R12: dead000000000122 [ 91.421674] R13: 00000000fffcd0b6 R14: 0000000000000001 R15: ffff9bff434f3000 [ 91.421734] FS: 00007fade33fd800(0000) GS:ffff9bffc0559000(0000) knlGS:0000000000000000 [ 91.421794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.421842] CR2: 000055eebc1841a0 CR3: 000000000765e004 CR4: 0000000000772ef0 [ 91.421899] PKRU: 55555554 [ 91.421921] Call Trace: [ 91.421944] [ 91.421966] netdev_run_todo+0x21a/0x550 [ 91.422014] rtnl_dellink+0x15b/0x350 [ 91.422065] ? virtio_fs_enqueue_req+0x352/0x570 [ 91.422115] ? netdev_run_todo+0x63/0x550 [ 91.422146] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 91.422185] rtnetlink_rcv_msg+0x358/0x400 [ 91.422216] ? get_page_from_freelist+0x15b4/0x1770 [ 91.422262] ? rtnl_calcit.isra.0+0x110/0x110 [ 91.422302] netlink_rcv_skb+0x57/0x100 [ 91.422343] netlink_unicast+0x252/0x380 [ 91.422372] ? __alloc_skb+0xdb/0x190 [ 91.422408] netlink_sendmsg+0x1be/0x3e0 [ 91.422439] ____sys_sendmsg+0x132/0x260 [ 91.422480] ? copy_msghdr_from_user+0x6c/0xa0 [ 91.422526] ___sys_sendmsg+0x87/0xd0 [ 91.422564] ? do_wp_page+0x369/0xe90 [ 91.422607] ? ___pte_offset_map+0x1b/0xd0 [ 91.422653] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 91.422703] ? fsnotify_grab_connector+0x48/0x80 [ 91.422754] ? fsnotify_destroy_marks+0x29/0x150 [ 91.422795] __sys_sendmsg+0x71/0xd0 [ 91.422833] do_syscall_64+0xa4/0xfd0 [ 91.422876] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 91.422916] RIP: 0033:0x7fade35cb1d7 [ 91.422948] 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 [ 91.423071] RSP: 002b:00007fff4892d7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.423130] RAX: ffffffffffffffda RBX: 00007fff4892dee0 RCX: 00007fade35cb1d7 [ 91.423180] RDX: 0000000000000000 RSI: 00007fff4892d820 RDI: 0000000000000005 [ 91.423231] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 91.423286] R10: 00007fade34c7f60 R11: 0000000000000246 R12: 0000000000000002 [ 91.423335] R13: 00000000690dec1d R14: 0000000000499600 R15: 0000000000000000 [ 91.423387] [ 91.423403] ---[ end trace 0000000000000000 ]--- [ 91.424023] ip (617) used greatest stack depth: 11744 bytes left