[ 2.707680] Mirror/redirect action on [ 2.709043] tc (301) used greatest stack depth: 12000 bytes left [ 2.723880] tc mirred to Houston: device veth2 is down [ 2.828876] tc mirred to Houston: device veth3 is down [ 10.221867] ------------[ cut here ]------------ [ 10.222002] refcount_t: underflow; use-after-free. [ 10.222094] WARNING: CPU: 0 PID: 370 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 10.222200] Modules linked in: cls_flower act_mirred act_vlan act_mpls cls_matchall sch_ingress vrf veth [ 10.222320] CPU: 0 UID: 0 PID: 370 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 10.222427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.222502] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 10.222569] Code: a9 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 a9 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 [ 10.222792] RSP: 0018:ffffada1005d7730 EFLAGS: 00010282 [ 10.222860] RAX: 0000000000000000 RBX: ffffada1005d7740 RCX: 00000000ffffdfff [ 10.222958] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 10.223044] RBP: ffffada1005d7248 R08: ffffffffa9956a28 R09: 00000000ffffdfff [ 10.223134] R10: ffffffffa9876a40 R11: ffffffffa9926a40 R12: dead000000000122 [ 10.223229] R13: 00000000fffb938b R14: 0000000000000001 R15: ffffa0a8c5df8000 [ 10.223319] FS: 00007feefaaca800(0000) GS:ffffa0a954bd9000(0000) knlGS:0000000000000000 [ 10.223407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.223487] CR2: 00000000004e73d0 CR3: 0000000003c1b001 CR4: 0000000000772ef0 [ 10.223576] PKRU: 55555554 [ 10.223605] Call Trace: [ 10.223639] [ 10.223667] netdev_run_todo+0x21a/0x550 [ 10.223722] rtnl_dellink+0x15b/0x350 [ 10.223781] ? virtio_fs_enqueue_req+0x352/0x570 [ 10.223856] ? netdev_run_todo+0x63/0x550 [ 10.223907] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 10.223965] rtnetlink_rcv_msg+0x358/0x400 [ 10.224010] ? get_page_from_freelist+0x15b4/0x1770 [ 10.224085] ? rtnl_calcit.isra.0+0x110/0x110 [ 10.224147] netlink_rcv_skb+0x57/0x100 [ 10.224201] netlink_unicast+0x252/0x380 [ 10.224245] ? __alloc_skb+0xdb/0x190 [ 10.224304] netlink_sendmsg+0x1be/0x3e0 [ 10.224349] ____sys_sendmsg+0x132/0x260 [ 10.224402] ? copy_msghdr_from_user+0x6c/0xa0 [ 10.224467] ___sys_sendmsg+0x87/0xd0 [ 10.224511] ? do_wp_page+0x369/0xe90 [ 10.224567] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 10.224637] ? fsnotify_grab_connector+0x48/0x80 [ 10.224704] ? fsnotify_destroy_marks+0x29/0x150 [ 10.224768] __sys_sendmsg+0x71/0xd0 [ 10.224815] do_syscall_64+0xa4/0xfd0 [ 10.224881] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.224949] RIP: 0033:0x7feefac981d7 [ 10.224991] 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 [ 10.225197] RSP: 002b:00007ffed49ff918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 10.225284] RAX: ffffffffffffffda RBX: 00007ffed4a00040 RCX: 00007feefac981d7 [ 10.225372] RDX: 0000000000000000 RSI: 00007ffed49ff980 RDI: 0000000000000005 [ 10.225469] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 10.225555] R10: 00007feefab94f60 R11: 0000000000000246 R12: 0000000000000002 [ 10.225641] R13: 00000000690deead R14: 0000000000499600 R15: 0000000000000000 [ 10.225731] [ 10.225760] ---[ end trace 0000000000000000 ]--- [ 10.226417] ip (370) used greatest stack depth: 11744 bytes left