[ 2.253996] ip (248) used greatest stack depth: 12344 bytes left [ 2.303323] ip (255) used greatest stack depth: 12328 bytes left [ 2.603249] GACT probability NOT on [ 2.604676] tc (297) used greatest stack depth: 11840 bytes left [ 2.798867] br1: port 1(veth1) entered blocking state [ 2.798943] br1: port 1(veth1) entered disabled state [ 2.799037] veth1: entered allmulticast mode [ 2.799136] veth1: entered promiscuous mode [ 2.826636] br1: port 1(veth1) entered blocking state [ 2.826712] br1: port 1(veth1) entered forwarding state [ 8.056608] br1: port 2(vx1) entered blocking state [ 8.056707] br1: port 2(vx1) entered disabled state [ 8.056790] vx1: entered allmulticast mode [ 8.056873] vx1: entered promiscuous mode [ 8.057003] br1: port 2(vx1) entered blocking state [ 8.057085] br1: port 2(vx1) entered forwarding state [ 17.105842] vx1: left allmulticast mode [ 17.105913] vx1: left promiscuous mode [ 17.105958] br1: port 2(vx1) entered disabled state [ 17.147030] ------------[ cut here ]------------ [ 17.147222] refcount_t: underflow; use-after-free. [ 17.147314] WARNING: CPU: 2 PID: 2355 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 17.147428] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth [ 17.147571] CPU: 2 UID: 0 PID: 2355 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 17.147678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.147761] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 17.147833] Code: a0 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 a0 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 [ 17.148025] RSP: 0018:ffffb50802aff730 EFLAGS: 00010282 [ 17.148096] RAX: 0000000000000000 RBX: ffffb50802aff740 RCX: 00000000ffffdfff [ 17.148190] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 17.148282] RBP: ffff95a643114000 R08: ffffffffa1156a28 R09: 00000000ffffdfff [ 17.148375] R10: ffffffffa1076a40 R11: ffffffffa1126a40 R12: 0000000000000001 [ 17.148470] R13: 00000000fffbae92 R14: 0000000000000001 R15: ffff95a643114000 [ 17.148563] FS: 00007f800f4e7800(0000) GS:ffff95a6dd4d9000(0000) knlGS:0000000000000000 [ 17.148657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.148738] CR2: 00000000004e57a0 CR3: 0000000009dca004 CR4: 0000000000772ef0 [ 17.148832] PKRU: 55555554 [ 17.148879] Call Trace: [ 17.148932] [ 17.148991] netdev_run_todo+0x21a/0x550 [ 17.149100] rtnl_dellink+0x15b/0x350 [ 17.149161] ? virtio_fs_enqueue_req+0x352/0x570 [ 17.149260] ? netdev_run_todo+0x63/0x550 [ 17.149320] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 17.149391] rtnetlink_rcv_msg+0x358/0x400 [ 17.149456] ? get_page_from_freelist+0x15b4/0x1770 [ 17.149530] ? rtnl_calcit.isra.0+0x110/0x110 [ 17.149583] netlink_rcv_skb+0x57/0x100 [ 17.149643] netlink_unicast+0x252/0x380 [ 17.149709] ? __alloc_skb+0xdb/0x190 [ 17.149769] netlink_sendmsg+0x1be/0x3e0 [ 17.149834] ____sys_sendmsg+0x132/0x260 [ 17.149898] ? copy_msghdr_from_user+0x6c/0xa0 [ 17.149973] ___sys_sendmsg+0x87/0xd0 [ 17.150040] ? do_wp_page+0x369/0xe90 [ 17.150109] ? ___pte_offset_map+0x1b/0xd0 [ 17.150172] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 17.150245] ? fsnotify_grab_connector+0x48/0x80 [ 17.150321] ? fsnotify_destroy_marks+0x29/0x150 [ 17.150392] __sys_sendmsg+0x71/0xd0 [ 17.150457] do_syscall_64+0xa4/0xfd0 [ 17.150527] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.150605] RIP: 0033:0x7f800f6b51d7 [ 17.150667] 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 [ 17.150844] RSP: 002b:00007ffdd2fc0578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.150939] RAX: ffffffffffffffda RBX: 00007ffdd2fc0ca0 RCX: 00007f800f6b51d7 [ 17.151036] RDX: 0000000000000000 RSI: 00007ffdd2fc05e0 RDI: 0000000000000005 [ 17.151130] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 17.151223] R10: 00007f800f5b1f60 R11: 0000000000000246 R12: 0000000000000002 [ 17.151315] R13: 00000000690debc4 R14: 0000000000499600 R15: 0000000000000000 [ 17.151409] [ 17.151461] ---[ end trace 0000000000000000 ]--- [ 17.152164] ip (2355) used greatest stack depth: 11744 bytes left [ 17.192390] br1: port 2(vx1) entered blocking state [ 17.192500] br1: port 2(vx1) entered disabled state [ 17.192589] vx1: entered allmulticast mode [ 17.192712] vx1: entered promiscuous mode [ 17.192792] br1: port 2(vx1) entered blocking state [ 17.192867] br1: port 2(vx1) entered forwarding state [ 26.218069] vx1: left allmulticast mode [ 26.218128] vx1: left promiscuous mode [ 26.218180] br1: port 2(vx1) entered disabled state [ 26.311400] br1: port 2(vx1) entered blocking state [ 26.311490] br1: port 2(vx1) entered disabled state [ 26.311582] vx1: entered allmulticast mode [ 26.311687] vx1: entered promiscuous mode [ 26.311756] br1: port 2(vx1) entered blocking state [ 26.311818] br1: port 2(vx1) entered forwarding state [ 35.375625] vx1: left allmulticast mode [ 35.375741] vx1: left promiscuous mode [ 35.375797] br1: port 2(vx1) entered disabled state [ 35.483496] br1: port 2(vx1) entered blocking state [ 35.483602] br1: port 2(vx1) entered disabled state [ 35.483684] vx1: entered allmulticast mode [ 35.483828] vx1: entered promiscuous mode [ 35.483944] br1: port 2(vx1) entered blocking state [ 35.484013] br1: port 2(vx1) entered forwarding state [ 44.374426] vx1: left allmulticast mode [ 44.374502] vx1: left promiscuous mode [ 44.374547] br1: port 2(vx1) entered disabled state [ 44.455953] br1: port 2(vx1) entered blocking state [ 44.456068] br1: port 2(vx1) entered disabled state [ 44.456159] vx1: entered allmulticast mode [ 44.456318] vx1: entered promiscuous mode [ 44.456413] br1: port 2(vx1) entered blocking state [ 44.456494] br1: port 2(vx1) entered forwarding state [ 53.527302] vx1: left allmulticast mode [ 53.527402] vx1: left promiscuous mode [ 53.527470] br1: port 2(vx1) entered disabled state [ 53.617956] br1: port 2(vx1) entered blocking state [ 53.618053] br1: port 2(vx1) entered disabled state [ 53.618138] vx1: entered allmulticast mode [ 53.618227] vx1: entered promiscuous mode [ 53.618290] br1: port 2(vx1) entered blocking state [ 53.618345] br1: port 2(vx1) entered forwarding state [ 62.628459] vx1: left allmulticast mode [ 62.628524] vx1: left promiscuous mode [ 62.628571] br1: port 2(vx1) entered disabled state [ 62.725588] br1: port 2(vx1) entered blocking state [ 62.725698] br1: port 2(vx1) entered disabled state [ 62.725781] vx1: entered allmulticast mode [ 62.725968] vx1: entered promiscuous mode [ 62.726096] br1: port 2(vx1) entered blocking state [ 62.726196] br1: port 2(vx1) entered forwarding state [ 71.731497] vx1: left allmulticast mode [ 71.731622] vx1: left promiscuous mode [ 71.731700] br1: port 2(vx1) entered disabled state [ 71.916655] br1: port 1(veth1) entered disabled state [ 71.930200] veth1: left allmulticast mode [ 71.930273] veth1: left promiscuous mode [ 71.930378] br1: port 1(veth1) entered disabled state