[ 2.214597] ip (247) used greatest stack depth: 12344 bytes left [ 2.562841] 8021q: 802.1Q VLAN Support v1.8 [ 2.947506] ip (322) used greatest stack depth: 12280 bytes left [ 3.009285] gre: GRE over IPv4 demultiplexer driver [ 3.011379] ip_gre: GRE over IPv4 tunneling driver [ 3.130308] lag: Mode changed to "loadbalance" [ 3.158942] lag: Port device veth2 added [ 3.193873] lag: Port device veth4 added [ 3.215802] 8021q: adding VLAN 0 to HW filter on device lag [ 3.226717] br1: port 1(lag) entered blocking state [ 3.226828] br1: port 1(lag) entered disabled state [ 3.226907] lag: entered allmulticast mode [ 3.226971] veth2: entered allmulticast mode [ 3.227034] veth4: entered allmulticast mode [ 3.227179] veth2: entered promiscuous mode [ 3.227234] veth4: entered promiscuous mode [ 3.238937] br1: port 1(lag) entered blocking state [ 3.239044] br1: port 1(lag) entered forwarding state [ 3.342886] GACT probability NOT on [ 8.568939] Mirror/redirect action on [ 22.259121] br1: port 1(lag) entered disabled state [ 27.427513] br1: port 1(lag) entered blocking state [ 27.427659] br1: port 1(lag) entered forwarding state [ 41.191523] br1: port 1(lag) entered disabled state [ 46.362081] br1: port 1(lag) entered blocking state [ 46.362174] br1: port 1(lag) entered forwarding state [ 46.482493] lag: left allmulticast mode [ 46.482558] veth2: left allmulticast mode [ 46.482598] veth4: left allmulticast mode [ 46.482629] veth2: left promiscuous mode [ 46.482672] veth4: left promiscuous mode [ 46.482708] br1: port 1(lag) entered disabled state [ 46.498497] lag: Port device veth4 removed [ 46.498796] lag: Port device veth2 removed [ 46.508031] ------------[ cut here ]------------ [ 46.508132] refcount_t: underflow; use-after-free. [ 46.508214] WARNING: CPU: 3 PID: 349 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 46.508306] Modules linked in: act_mirred act_gact cls_flower bridge stp llc ip_gre gre sch_ingress 8021q vrf veth [ 46.508435] CPU: 3 UID: 0 PID: 349 Comm: teamd Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 46.508535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.508600] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 46.508656] Code: b1 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 b1 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 [ 46.508839] RSP: 0000:ffffae2a805df730 EFLAGS: 00010282 [ 46.508893] RAX: 0000000000000000 RBX: ffffae2a805df740 RCX: 00000000ffffdfff [ 46.508982] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 46.509065] RBP: ffffae2a805df248 R08: ffffffffb2356a28 R09: 00000000ffffdfff [ 46.509152] R10: ffffffffb2276a40 R11: ffffffffb2326a40 R12: dead000000000122 [ 46.509235] R13: 00000000fffc214a R14: 0000000000000001 R15: ffff9ac086a10000 [ 46.509308] FS: 00007ff46b637b80(0000) GS:ffff9ac10c359000(0000) knlGS:0000000000000000 [ 46.509378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.509450] CR2: 00007ffdda2e6f20 CR3: 00000000055f7006 CR4: 0000000000772ef0 [ 46.509532] PKRU: 55555554 [ 46.509558] Call Trace: [ 46.509592] [ 46.509620] netdev_run_todo+0x21a/0x550 [ 46.509670] rtnl_dellink+0x15b/0x350 [ 46.509717] ? finish_task_switch.isra.0+0x8d/0x270 [ 46.509781] ? __schedule+0x504/0xb40 [ 46.509828] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 46.509885] rtnetlink_rcv_msg+0x358/0x400 [ 46.509927] ? ovl_update_time+0x90/0x90 [ 46.509971] ? request_wait_answer+0xcc/0x1d0 [ 46.510027] ? housekeeping_test_cpu+0x40/0x40 [ 46.510086] ? rtnl_calcit.isra.0+0x110/0x110 [ 46.510135] netlink_rcv_skb+0x57/0x100 [ 46.510177] netlink_unicast+0x252/0x380 [ 46.510215] ? __alloc_skb+0xdb/0x190 [ 46.510246] netlink_sendmsg+0x1be/0x3e0 [ 46.510277] ____sys_sendmsg+0x132/0x260 [ 46.510315] ? copy_msghdr_from_user+0x6c/0xa0 [ 46.510365] ___sys_sendmsg+0x87/0xd0 [ 46.510409] ? __wake_up_sync_key+0x3d/0x50 [ 46.510447] ? anon_pipe_write+0x314/0x650 [ 46.510496] ? fsnotify_grab_connector+0x48/0x80 [ 46.510544] ? fsnotify_destroy_marks+0x29/0x150 [ 46.510585] __sys_sendmsg+0x71/0xd0 [ 46.510626] do_syscall_64+0xa4/0xfd0 [ 46.510667] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 46.510733] RIP: 0033:0x7ff46b7781d7 [ 46.510779] 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 [ 46.510976] RSP: 002b:00007ffd3f4f2458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 46.511061] RAX: ffffffffffffffda RBX: 000000002814c320 RCX: 00007ff46b7781d7 [ 46.511137] RDX: 0000000000000000 RSI: 00007ffd3f4f2490 RDI: 0000000000000005 [ 46.511214] RBP: 000000002814c230 R08: 0000000000000003 R09: 0000000000000000 [ 46.511293] R10: 0000000000001000 R11: 0000000000000246 R12: 0000000028170fa0 [ 46.511373] R13: 00007ffd3f4f2490 R14: 0000000000000000 R15: 00007ffd3f4f25f0 [ 46.511453] [ 46.511481] ---[ end trace 0000000000000000 ]--- [ 46.512194] teamd (349) used greatest stack depth: 11744 bytes left