[ 2.224183] ip (247) used greatest stack depth: 12408 bytes left [ 2.275004] ip (255) used greatest stack depth: 12360 bytes left [ 2.681233] br0: port 1(veth1) entered blocking state [ 2.681327] br0: port 1(veth1) entered disabled state [ 2.681400] veth1: entered allmulticast mode [ 2.681513] veth1: entered promiscuous mode [ 2.695403] br0: port 2(veth2) entered blocking state [ 2.695518] br0: port 2(veth2) entered disabled state [ 2.695620] veth2: entered allmulticast mode [ 2.695752] veth2: entered promiscuous mode [ 2.721908] br0: port 1(veth1) entered blocking state [ 2.722045] br0: port 1(veth1) entered forwarding state [ 12.781427] br0: port 2(veth2) entered blocking state [ 12.781515] br0: port 2(veth2) entered forwarding state [ 17.886186] GACT probability NOT on [ 17.887711] tc (306) used greatest stack depth: 11840 bytes left [ 18.993412] br0: port 2(veth2) entered disabled state [ 19.029144] br0: port 2(veth2) entered blocking state [ 19.029273] br0: port 2(veth2) entered forwarding state [ 25.209654] br0: port 1(veth1) entered disabled state [ 25.222195] br0: port 2(veth2) entered disabled state [ 25.234579] veth2: left allmulticast mode [ 25.234655] veth2: left promiscuous mode [ 25.234712] br0: port 2(veth2) entered disabled state [ 25.234888] veth1: left allmulticast mode [ 25.234933] veth1: left promiscuous mode [ 25.234977] br0: port 1(veth1) entered disabled state [ 25.253646] ------------[ cut here ]------------ [ 25.253758] refcount_t: underflow; use-after-free. [ 25.253828] WARNING: CPU: 0 PID: 341 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 25.253932] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 25.254031] CPU: 0 UID: 0 PID: 341 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 25.254146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.254217] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 25.254283] 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 f1 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 [ 25.254413] RSP: 0018:ffffbbd8c034b730 EFLAGS: 00010282 [ 25.254462] RAX: 0000000000000000 RBX: ffffbbd8c034b740 RCX: 00000000ffffdfff [ 25.254536] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 25.254597] RBP: ffffbbd8c034b248 R08: ffffffffbc356a28 R09: 00000000ffffdfff [ 25.254659] R10: ffffffffbc276a40 R11: ffffffffbc326a40 R12: dead000000000122 [ 25.254723] R13: 00000000fffbce3c R14: 0000000000000001 R15: ffff9d0583c5f000 [ 25.254785] FS: 00007f80fcaa1800(0000) GS:ffff9d06021d9000(0000) knlGS:0000000000000000 [ 25.254846] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.254918] CR2: 000055fab5c0ebc0 CR3: 0000000003c1a004 CR4: 0000000000772ef0 [ 25.254992] PKRU: 55555554 [ 25.255015] Call Trace: [ 25.255038] [ 25.255064] netdev_run_todo+0x21a/0x550 [ 25.255109] rtnl_dellink+0x15b/0x350 [ 25.255150] ? virtio_fs_enqueue_req+0x352/0x570 [ 25.255199] ? netdev_run_todo+0x63/0x550 [ 25.255232] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 25.255276] rtnetlink_rcv_msg+0x358/0x400 [ 25.255308] ? get_page_from_freelist+0x15b4/0x1770 [ 25.255356] ? rtnl_calcit.isra.0+0x110/0x110 [ 25.255399] netlink_rcv_skb+0x57/0x100 [ 25.255439] netlink_unicast+0x252/0x380 [ 25.255476] ? __alloc_skb+0xdb/0x190 [ 25.255513] netlink_sendmsg+0x1be/0x3e0 [ 25.255545] ____sys_sendmsg+0x132/0x260 [ 25.255586] ? copy_msghdr_from_user+0x6c/0xa0 [ 25.255632] ___sys_sendmsg+0x87/0xd0 [ 25.255670] ? do_wp_page+0x369/0xe90 [ 25.255710] ? ___pte_offset_map+0x1b/0xd0 [ 25.255746] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 25.255793] ? fsnotify_grab_connector+0x48/0x80 [ 25.255838] ? fsnotify_destroy_marks+0x29/0x150 [ 25.255883] __sys_sendmsg+0x71/0xd0 [ 25.255919] do_syscall_64+0xa4/0xfd0 [ 25.255956] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.256000] RIP: 0033:0x7f80fcc6f1d7 [ 25.256033] 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 [ 25.256175] RSP: 002b:00007ffdd7f43b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.256240] RAX: ffffffffffffffda RBX: 00007ffdd7f44290 RCX: 00007f80fcc6f1d7 [ 25.256295] RDX: 0000000000000000 RSI: 00007ffdd7f43bd0 RDI: 0000000000000005 [ 25.256359] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 25.256419] R10: 00007f80fcb6bf60 R11: 0000000000000246 R12: 0000000000000002 [ 25.256490] R13: 00000000690ded20 R14: 0000000000499600 R15: 0000000000000000 [ 25.256550] [ 25.256567] ---[ end trace 0000000000000000 ]--- [ 25.257227] ip (341) used greatest stack depth: 11744 bytes left