[ 2.278080] ip (246) used greatest stack depth: 12424 bytes left [ 2.654499] GACT probability NOT on [ 2.655847] tc (298) used greatest stack depth: 11840 bytes left [ 2.870884] br1: port 1(veth1) entered blocking state [ 2.870965] br1: port 1(veth1) entered disabled state [ 2.871030] veth1: entered allmulticast mode [ 2.871133] veth1: entered promiscuous mode [ 2.899415] br1: port 1(veth1) entered blocking state [ 2.899488] br1: port 1(veth1) entered forwarding state [ 8.151033] br1: port 2(vx1) entered blocking state [ 8.151108] br1: port 2(vx1) entered disabled state [ 8.151216] vx1: entered allmulticast mode [ 8.151303] vx1: entered promiscuous mode [ 8.151362] br1: port 2(vx1) entered blocking state [ 8.151421] br1: port 2(vx1) entered forwarding state [ 17.546158] vx1: left allmulticast mode [ 17.546224] vx1: left promiscuous mode [ 17.546273] br1: port 2(vx1) entered disabled state [ 17.590899] ------------[ cut here ]------------ [ 17.591035] refcount_t: underflow; use-after-free. [ 17.591102] WARNING: CPU: 0 PID: 2356 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 17.591195] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth [ 17.591303] CPU: 0 UID: 0 PID: 2356 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 17.591390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.591457] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 17.591495] Code: a3 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 31 a3 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 [ 17.591655] RSP: 0018:ffffac5bc2a6f730 EFLAGS: 00010282 [ 17.591715] RAX: 0000000000000000 RBX: ffffac5bc2a6f740 RCX: 00000000ffffdfff [ 17.591782] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 17.591866] RBP: ffff9851c3a03000 R08: ffffffffa3756a28 R09: 00000000ffffdfff [ 17.591942] R10: ffffffffa3676a40 R11: ffffffffa3726a40 R12: 0000000000000001 [ 17.592008] R13: 00000000fffbb03a R14: 0000000000000001 R15: ffff9851c3a03000 [ 17.592068] FS: 00007f309a975800(0000) GS:ffff98525add9000(0000) knlGS:0000000000000000 [ 17.592133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.592200] CR2: 00000000004e57a0 CR3: 00000000052af001 CR4: 0000000000772ef0 [ 17.592276] PKRU: 55555554 [ 17.592313] Call Trace: [ 17.592348] [ 17.592378] netdev_run_todo+0x21a/0x550 [ 17.592426] rtnl_dellink+0x15b/0x350 [ 17.592486] ? virtio_fs_enqueue_req+0x352/0x570 [ 17.592558] ? netdev_run_todo+0x63/0x550 [ 17.592602] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 17.592647] rtnetlink_rcv_msg+0x358/0x400 [ 17.592683] ? get_page_from_freelist+0x15b4/0x1770 [ 17.592745] ? rtnl_calcit.isra.0+0x110/0x110 [ 17.592801] netlink_rcv_skb+0x57/0x100 [ 17.592859] netlink_unicast+0x252/0x380 [ 17.592899] ? __alloc_skb+0xdb/0x190 [ 17.592940] netlink_sendmsg+0x1be/0x3e0 [ 17.592975] ____sys_sendmsg+0x132/0x260 [ 17.593017] ? copy_msghdr_from_user+0x6c/0xa0 [ 17.593068] ___sys_sendmsg+0x87/0xd0 [ 17.593114] ? do_wp_page+0x369/0xe90 [ 17.593157] ? ___pte_offset_map+0x1b/0xd0 [ 17.593192] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 17.593251] ? fsnotify_grab_connector+0x48/0x80 [ 17.593300] ? fsnotify_destroy_marks+0x29/0x150 [ 17.593358] __sys_sendmsg+0x71/0xd0 [ 17.593398] do_syscall_64+0xa4/0xfd0 [ 17.593441] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.593507] RIP: 0033:0x7f309ab431d7 [ 17.593555] 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 [ 17.593728] RSP: 002b:00007ffd72fceeb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.593803] RAX: ffffffffffffffda RBX: 00007ffd72fcf5e0 RCX: 00007f309ab431d7 [ 17.593879] RDX: 0000000000000000 RSI: 00007ffd72fcef20 RDI: 0000000000000005 [ 17.593953] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 17.594010] R10: 00007f309aa3ff60 R11: 0000000000000246 R12: 0000000000000002 [ 17.594076] R13: 00000000690de5c4 R14: 0000000000499600 R15: 0000000000000000 [ 17.594152] [ 17.594178] ---[ end trace 0000000000000000 ]--- [ 17.594850] ip (2356) used greatest stack depth: 11744 bytes left [ 17.638508] br1: port 2(vx1) entered blocking state [ 17.638585] br1: port 2(vx1) entered disabled state [ 17.638648] vx1: entered allmulticast mode [ 17.638732] vx1: entered promiscuous mode [ 17.638791] br1: port 2(vx1) entered blocking state [ 17.638853] br1: port 2(vx1) entered forwarding state [ 26.988289] vx1: left allmulticast mode [ 26.988422] vx1: left promiscuous mode [ 26.988501] br1: port 2(vx1) entered disabled state [ 27.083215] br1: port 2(vx1) entered blocking state [ 27.083318] br1: port 2(vx1) entered disabled state [ 27.083402] vx1: entered allmulticast mode [ 27.083526] vx1: entered promiscuous mode [ 27.083625] br1: port 2(vx1) entered blocking state [ 27.083729] br1: port 2(vx1) entered forwarding state [ 36.448872] vx1: left allmulticast mode [ 36.448978] vx1: left promiscuous mode [ 36.449054] br1: port 2(vx1) entered disabled state [ 36.548255] br1: port 2(vx1) entered blocking state [ 36.548325] br1: port 2(vx1) entered disabled state [ 36.548379] vx1: entered allmulticast mode [ 36.548446] vx1: entered promiscuous mode [ 36.548504] br1: port 2(vx1) entered blocking state [ 36.548555] br1: port 2(vx1) entered forwarding state [ 46.049419] vx1: left allmulticast mode [ 46.049514] vx1: left promiscuous mode [ 46.049565] br1: port 2(vx1) entered disabled state [ 46.149661] br1: port 2(vx1) entered blocking state [ 46.149760] br1: port 2(vx1) entered disabled state [ 46.149858] vx1: entered allmulticast mode [ 46.150014] vx1: entered promiscuous mode [ 46.150078] br1: port 2(vx1) entered blocking state [ 46.150150] br1: port 2(vx1) entered forwarding state [ 55.498880] vx1: left allmulticast mode [ 55.498996] vx1: left promiscuous mode [ 55.499068] br1: port 2(vx1) entered disabled state [ 55.590275] br1: port 2(vx1) entered blocking state [ 55.590356] br1: port 2(vx1) entered disabled state [ 55.590471] vx1: entered allmulticast mode [ 55.590567] vx1: entered promiscuous mode [ 55.590646] br1: port 2(vx1) entered blocking state [ 55.590695] br1: port 2(vx1) entered forwarding state [ 64.990428] vx1: left allmulticast mode [ 64.990558] vx1: left promiscuous mode [ 64.990635] br1: port 2(vx1) entered disabled state [ 65.096196] br1: port 2(vx1) entered blocking state [ 65.096353] br1: port 2(vx1) entered disabled state [ 65.096472] vx1: entered allmulticast mode [ 65.096599] vx1: entered promiscuous mode [ 65.096694] br1: port 2(vx1) entered blocking state [ 65.096771] br1: port 2(vx1) entered forwarding state [ 74.434387] vx1: left allmulticast mode [ 74.434468] vx1: left promiscuous mode [ 74.434517] br1: port 2(vx1) entered disabled state [ 74.595549] br1: port 1(veth1) entered disabled state [ 74.610867] veth1: left allmulticast mode [ 74.610953] veth1: left promiscuous mode [ 74.611005] br1: port 1(veth1) entered disabled state