[ 2.151702] ip (248) used greatest stack depth: 12296 bytes left [ 2.549749] 8021q: 802.1Q VLAN Support v1.8 [ 3.027738] br1: port 1(vx100) entered blocking state [ 3.027809] br1: port 1(vx100) entered disabled state [ 3.027872] vx100: entered allmulticast mode [ 3.027970] vx100: entered promiscuous mode [ 3.028048] br1: port 1(vx100) entered blocking state [ 3.028100] br1: port 1(vx100) entered forwarding state [ 3.051721] br1: port 2(veth1) entered blocking state [ 3.051829] br1: port 2(veth1) entered disabled state [ 3.051937] veth1: entered allmulticast mode [ 3.052075] veth1: entered promiscuous mode [ 3.065276] br1: port 2(veth1) entered blocking state [ 3.065355] br1: port 2(veth1) entered forwarding state [ 3.089675] br1: port 3(veth2) entered blocking state [ 3.089755] br1: port 3(veth2) entered disabled state [ 3.089849] veth2: entered allmulticast mode [ 3.089985] veth2: entered promiscuous mode [ 3.102162] br1: port 3(veth2) entered blocking state [ 3.102275] br1: port 3(veth2) entered forwarding state [ 3.158101] ip (345) used greatest stack depth: 12168 bytes left [ 3.616473] br2: port 1(w1) entered blocking state [ 3.616576] br2: port 1(w1) entered disabled state [ 3.616670] w1: entered allmulticast mode [ 3.616774] w1: entered promiscuous mode [ 3.703993] br2: port 2(vx100) entered blocking state [ 3.704089] br2: port 2(vx100) entered disabled state [ 3.704150] vx100: entered allmulticast mode [ 3.704245] vx100: entered promiscuous mode [ 3.704299] br2: port 2(vx100) entered blocking state [ 3.704355] br2: port 2(vx100) entered forwarding state [ 3.821180] br2: port 1(w1) entered blocking state [ 3.821308] br2: port 1(w1) entered forwarding state [ 4.145243] br2: port 1(w1) entered blocking state [ 4.145326] br2: port 1(w1) entered disabled state [ 4.145395] w1: entered allmulticast mode [ 4.145491] w1: entered promiscuous mode [ 4.228028] br2: port 2(vx100) entered blocking state [ 4.228132] br2: port 2(vx100) entered disabled state [ 4.228267] vx100: entered allmulticast mode [ 4.228367] vx100: entered promiscuous mode [ 4.228414] br2: port 2(vx100) entered blocking state [ 4.228465] br2: port 2(vx100) entered forwarding state [ 4.330636] br2: port 1(w1) entered blocking state [ 4.330778] br2: port 1(w1) entered forwarding state [ 12.795023] vx100: left allmulticast mode [ 12.795108] vx100: left promiscuous mode [ 12.795168] br2: port 2(vx100) entered disabled state [ 12.795510] w1: left allmulticast mode [ 12.795555] w1: left promiscuous mode [ 12.795600] br2: port 1(w1) entered disabled state [ 12.827123] ------------[ cut here ]------------ [ 12.827252] refcount_t: underflow; use-after-free. [ 12.827320] WARNING: CPU: 0 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 12.827410] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 12.827519] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 12.827616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.827679] Workqueue: netns cleanup_net [ 12.827725] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 12.827783] Code: ac 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 ac 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 [ 12.827970] RSP: 0018:ffffa38fc0067d50 EFLAGS: 00010286 [ 12.828023] RAX: 0000000000000000 RBX: ffffa38fc0067d60 RCX: 00000000ffffdfff [ 12.828120] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 12.828203] RBP: ffffa38fc0067868 R08: ffffffffad356a28 R09: 00000000ffffdfff [ 12.828281] R10: ffffffffad276a40 R11: ffffffffad326a40 R12: dead000000000122 [ 12.828360] R13: 00000000fffb9da5 R14: 0000000000000001 R15: ffff8f6e497e3000 [ 12.828440] FS: 0000000000000000(0000) GS:ffff8f6ed11d9000(0000) knlGS:0000000000000000 [ 12.828525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.828597] CR2: 0000556fcfe92100 CR3: 0000000002fa2004 CR4: 0000000000772ef0 [ 12.828676] PKRU: 55555554 [ 12.828708] Call Trace: [ 12.828736] [ 12.828761] netdev_run_todo+0x21a/0x550 [ 12.828809] ops_undo_list+0x1e3/0x1f0 [ 12.828854] cleanup_net+0x1b7/0x2b0 [ 12.828900] process_one_work+0x162/0x380 [ 12.828946] worker_thread+0x299/0x3c0 [ 12.828993] ? rescuer_thread+0x4c0/0x4c0 [ 12.829039] kthread+0x101/0x1f0 [ 12.829092] ? kthreads_online_cpu+0x110/0x110 [ 12.829152] ? kthreads_online_cpu+0x110/0x110 [ 12.829205] ret_from_fork+0x11c/0x140 [ 12.829251] ? kthreads_online_cpu+0x110/0x110 [ 12.829308] ret_from_fork_asm+0x11/0x20 [ 12.829357] [ 12.829387] ---[ end trace 0000000000000000 ]--- [ 12.891179] vx100: left allmulticast mode [ 12.891256] vx100: left promiscuous mode [ 12.891317] br2: port 2(vx100) entered disabled state [ 12.891487] w1: left allmulticast mode [ 12.891526] w1: left promiscuous mode [ 12.891572] br2: port 1(w1) entered disabled state [ 13.146218] br1: port 3(veth2) entered disabled state [ 13.159190] veth2: left allmulticast mode [ 13.159307] veth2: left promiscuous mode [ 13.159386] br1: port 3(veth2) entered disabled state [ 13.183828] br1: port 2(veth1) entered disabled state [ 13.195761] veth1: left allmulticast mode [ 13.195822] veth1: left promiscuous mode [ 13.195864] br1: port 2(veth1) entered disabled state [ 13.207135] vx100: left allmulticast mode [ 13.207222] vx100: left promiscuous mode [ 13.207283] br1: port 1(vx100) entered disabled state