[ 2.008073] ip (248) used greatest stack depth: 12424 bytes left [ 2.054930] ip (255) used greatest stack depth: 12392 bytes left [ 2.664666] br1: port 1(vx1) entered blocking state [ 2.664748] br1: port 1(vx1) entered disabled state [ 2.664844] vx1: entered allmulticast mode [ 2.664947] vx1: entered promiscuous mode [ 2.665034] br1: port 1(vx1) entered blocking state [ 2.665090] br1: port 1(vx1) entered forwarding state [ 2.677473] br1: port 2(veth1) entered blocking state [ 2.677544] br1: port 2(veth1) entered disabled state [ 2.677622] veth1: entered allmulticast mode [ 2.677727] veth1: entered promiscuous mode [ 2.689861] br1: port 2(veth1) entered blocking state [ 2.689946] br1: port 2(veth1) entered forwarding state [ 2.702676] br1: port 3(veth2) entered blocking state [ 2.702807] br1: port 3(veth2) entered disabled state [ 2.702919] veth2: entered allmulticast mode [ 2.703055] veth2: entered promiscuous mode [ 2.715302] br1: port 3(veth2) entered blocking state [ 2.715402] br1: port 3(veth2) entered forwarding state [ 2.748577] ip (323) used greatest stack depth: 12168 bytes left [ 3.125828] br2: port 1(w1) entered blocking state [ 3.125924] br2: port 1(w1) entered disabled state [ 3.126033] w1: entered allmulticast mode [ 3.126148] w1: entered promiscuous mode [ 3.191079] br2: port 2(vx2) entered blocking state [ 3.191188] br2: port 2(vx2) entered disabled state [ 3.191269] vx2: entered allmulticast mode [ 3.191363] vx2: entered promiscuous mode [ 3.191442] br2: port 2(vx2) entered blocking state [ 3.191517] br2: port 2(vx2) entered forwarding state [ 3.274225] br2: port 1(w1) entered blocking state [ 3.274298] br2: port 1(w1) entered forwarding state [ 3.498970] br2: port 1(w1) entered blocking state [ 3.499070] br2: port 1(w1) entered disabled state [ 3.499139] w1: entered allmulticast mode [ 3.499219] w1: entered promiscuous mode [ 3.561926] br2: port 2(vx2) entered blocking state [ 3.562021] br2: port 2(vx2) entered disabled state [ 3.562098] vx2: entered allmulticast mode [ 3.562181] vx2: entered promiscuous mode [ 3.562255] br2: port 2(vx2) entered blocking state [ 3.562321] br2: port 2(vx2) entered forwarding state [ 3.645440] br2: port 1(w1) entered blocking state [ 3.645532] br2: port 1(w1) entered forwarding state [ 12.036686] vx2: left allmulticast mode [ 12.036751] vx2: left promiscuous mode [ 12.036819] br2: port 2(vx2) entered disabled state [ 12.037020] w1: left allmulticast mode [ 12.037070] w1: left promiscuous mode [ 12.037113] br2: port 1(w1) entered disabled state [ 12.070899] ------------[ cut here ]------------ [ 12.071032] refcount_t: underflow; use-after-free. [ 12.071099] WARNING: CPU: 3 PID: 64 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 12.071174] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth [ 12.071264] CPU: 3 UID: 0 PID: 64 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 12.071356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.071408] Workqueue: netns cleanup_net [ 12.071448] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 12.071501] Code: 9f 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 b1 9f 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 [ 12.071652] RSP: 0018:ffffb81ec0237d50 EFLAGS: 00010286 [ 12.071711] RAX: 0000000000000000 RBX: ffffb81ec0237d60 RCX: 00000000ffffdfff [ 12.071804] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 12.071891] RBP: ffffb81ec0237868 R08: ffffffff9ff56a28 R09: 00000000ffffdfff [ 12.071978] R10: ffffffff9fe76a40 R11: ffffffff9ff26a40 R12: dead000000000122 [ 12.072054] R13: 00000000fffb9ac1 R14: 0000000000000001 R15: ffff891c893ed000 [ 12.072141] FS: 0000000000000000(0000) GS:ffff891d1e759000(0000) knlGS:0000000000000000 [ 12.072231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.072303] CR2: 00007fef5e466e80 CR3: 0000000030841001 CR4: 0000000000772ef0 [ 12.072385] PKRU: 55555554 [ 12.072412] Call Trace: [ 12.072437] [ 12.072468] netdev_run_todo+0x21a/0x550 [ 12.072513] ops_undo_list+0x1e3/0x1f0 [ 12.072551] cleanup_net+0x1b7/0x2b0 [ 12.072721] process_one_work+0x162/0x380 [ 12.072769] worker_thread+0x299/0x3c0 [ 12.072812] ? rescuer_thread+0x4c0/0x4c0 [ 12.072857] kthread+0x101/0x1f0 [ 12.072909] ? kthreads_online_cpu+0x110/0x110 [ 12.072951] ? kthreads_online_cpu+0x110/0x110 [ 12.072997] ret_from_fork+0x11c/0x140 [ 12.073044] ? kthreads_online_cpu+0x110/0x110 [ 12.073092] ret_from_fork_asm+0x11/0x20 [ 12.073131] [ 12.073156] ---[ end trace 0000000000000000 ]--- [ 12.128207] vx2: left allmulticast mode [ 12.128288] vx2: left promiscuous mode [ 12.128352] br2: port 2(vx2) entered disabled state [ 12.128693] w1: left allmulticast mode [ 12.128746] w1: left promiscuous mode [ 12.128805] br2: port 1(w1) entered disabled state [ 12.457626] vx1: left allmulticast mode [ 12.457744] vx1: left promiscuous mode [ 12.457823] br1: port 1(vx1) entered disabled state [ 12.523865] br1: port 3(veth2) entered disabled state [ 12.536187] veth2: left allmulticast mode [ 12.536259] veth2: left promiscuous mode [ 12.536380] br1: port 3(veth2) entered disabled state [ 12.549036] br1: port 2(veth1) entered disabled state [ 12.560931] veth1: left allmulticast mode [ 12.561005] veth1: left promiscuous mode [ 12.561111] br1: port 2(veth1) entered disabled state