[ 2.101511] ip (249) used greatest stack depth: 12344 bytes left [ 2.519020] br0: port 1(veth1) entered blocking state [ 2.519160] br0: port 1(veth1) entered disabled state [ 2.519253] veth1: entered allmulticast mode [ 2.519394] veth1: entered promiscuous mode [ 2.529849] br0: port 2(veth2) entered blocking state [ 2.529942] br0: port 2(veth2) entered disabled state [ 2.530009] veth2: entered allmulticast mode [ 2.530114] veth2: entered promiscuous mode [ 2.554285] br0: port 1(veth1) entered blocking state [ 2.554378] br0: port 1(veth1) entered forwarding state [ 2.567108] br0: port 2(veth2) entered blocking state [ 2.567177] br0: port 2(veth2) entered forwarding state [ 13.959921] GACT probability NOT on [ 13.961471] tc (339) used greatest stack depth: 11840 bytes left [ 111.998629] br0: port 1(veth1) entered disabled state [ 117.033622] br0: port 1(veth1) entered forwarding state [ 122.094262] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 132.237867] br0: vlan filtering disabled, automatically disabling multicast vlan snooping [ 132.258702] br0: port 2(veth2) entered disabled state [ 132.271241] br0: port 1(veth1) entered disabled state [ 132.284223] veth2: left allmulticast mode [ 132.284345] veth2: left promiscuous mode [ 132.284418] br0: port 2(veth2) entered disabled state [ 132.284590] veth1: left allmulticast mode [ 132.284657] veth1: left promiscuous mode [ 132.284724] br0: port 1(veth1) entered disabled state [ 132.300304] ------------[ cut here ]------------ [ 132.300474] refcount_t: underflow; use-after-free. [ 132.300615] WARNING: CPU: 2 PID: 1629 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 132.300758] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 132.300896] CPU: 2 UID: 0 PID: 1629 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 132.301019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 132.301115] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 132.301202] Code: bb 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 91 bb 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 [ 132.301424] RSP: 0018:ffffac7082997730 EFLAGS: 00010282 [ 132.301509] RAX: 0000000000000000 RBX: ffffac7082997740 RCX: 00000000ffffdfff [ 132.301623] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 132.301733] RBP: ffffac7082997248 R08: ffffffffbbd56a28 R09: 00000000ffffdfff [ 132.301839] R10: ffffffffbbc76a40 R11: ffffffffbbd26a40 R12: dead000000000122 [ 132.301947] R13: 00000000fffd7063 R14: 0000000000000001 R15: ffff8ba484b10000 [ 132.302057] FS: 00007f3be613b800(0000) GS:ffff8ba5028d9000(0000) knlGS:0000000000000000 [ 132.302167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.302263] CR2: 00000000004e68c8 CR3: 0000000005f7c001 CR4: 0000000000772ef0 [ 132.302377] PKRU: 55555554 [ 132.302434] Call Trace: [ 132.302503] [ 132.302561] netdev_run_todo+0x21a/0x550 [ 132.302662] rtnl_dellink+0x15b/0x350 [ 132.302747] ? virtio_fs_enqueue_req+0x352/0x570 [ 132.302843] ? netdev_run_todo+0x63/0x550 [ 132.302916] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 132.303003] rtnetlink_rcv_msg+0x358/0x400 [ 132.303077] ? get_page_from_freelist+0x15b4/0x1770 [ 132.303172] ? rtnl_calcit.isra.0+0x110/0x110 [ 132.303257] netlink_rcv_skb+0x57/0x100 [ 132.303352] netlink_unicast+0x252/0x380 [ 132.303424] ? __alloc_skb+0xdb/0x190 [ 132.303501] netlink_sendmsg+0x1be/0x3e0 [ 132.303578] ____sys_sendmsg+0x132/0x260 [ 132.303661] ? copy_msghdr_from_user+0x6c/0xa0 [ 132.303749] ___sys_sendmsg+0x87/0xd0 [ 132.303821] ? do_wp_page+0x369/0xe90 [ 132.303900] ? ___pte_offset_map+0x1b/0xd0 [ 132.303975] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 132.304068] ? fsnotify_grab_connector+0x48/0x80 [ 132.304162] ? fsnotify_destroy_marks+0x29/0x150 [ 132.304248] __sys_sendmsg+0x71/0xd0 [ 132.304327] do_syscall_64+0xa4/0xfd0 [ 132.304408] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 132.304503] RIP: 0033:0x7f3be63091d7 [ 132.304583] 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 [ 132.304801] RSP: 002b:00007ffd65e286f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 132.304924] RAX: ffffffffffffffda RBX: 00007ffd65e28e20 RCX: 00007f3be63091d7 [ 132.305129] RDX: 0000000000000000 RSI: 00007ffd65e28760 RDI: 0000000000000005 [ 132.305208] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 132.305335] R10: 00007f3be6205f60 R11: 0000000000000246 R12: 0000000000000002 [ 132.305432] R13: 00000000690de505 R14: 0000000000499600 R15: 0000000000000000 [ 132.305513] [ 132.305575] ---[ end trace 0000000000000000 ]--- [ 132.306244] ip (1629) used greatest stack depth: 11744 bytes left