[ 1.946844] ip (255) used greatest stack depth: 12344 bytes left [ 1.991865] ip (261) used greatest stack depth: 12328 bytes left [ 2.277242] 8021q: 802.1Q VLAN Support v1.8 [ 2.727791] br1: port 1(vx10) entered blocking state [ 2.727909] br1: port 1(vx10) entered disabled state [ 2.727998] vx10: entered allmulticast mode [ 2.728153] vx10: entered promiscuous mode [ 2.728214] br1: port 1(vx10) entered blocking state [ 2.728261] br1: port 1(vx10) entered forwarding state [ 2.774618] br1: port 2(vx20) entered blocking state [ 2.774677] br1: port 2(vx20) entered disabled state [ 2.774754] vx20: entered allmulticast mode [ 2.774826] vx20: entered promiscuous mode [ 2.774871] br1: port 2(vx20) entered blocking state [ 2.774910] br1: port 2(vx20) entered forwarding state [ 2.797071] br1: port 3(veth1) entered blocking state [ 2.797199] br1: port 3(veth1) entered disabled state [ 2.797284] veth1: entered allmulticast mode [ 2.797400] veth1: entered promiscuous mode [ 2.808608] br1: port 3(veth1) entered blocking state [ 2.808670] br1: port 3(veth1) entered forwarding state [ 2.842551] br1: port 4(veth2) entered blocking state [ 2.842643] br1: port 4(veth2) entered disabled state [ 2.842715] veth2: entered allmulticast mode [ 2.842809] veth2: entered promiscuous mode [ 2.854211] br1: port 4(veth2) entered blocking state [ 2.854276] br1: port 4(veth2) entered forwarding state [ 2.932424] ip (353) used greatest stack depth: 12168 bytes left [ 3.338886] br2: port 1(w1) entered blocking state [ 3.338990] br2: port 1(w1) entered disabled state [ 3.339064] w1: entered allmulticast mode [ 3.339153] w1: entered promiscuous mode [ 3.439369] br2: port 2(vx10) entered blocking state [ 3.439467] br2: port 2(vx10) entered disabled state [ 3.439528] vx10: entered allmulticast mode [ 3.439617] vx10: entered promiscuous mode [ 3.439681] br2: port 2(vx10) entered blocking state [ 3.439742] br2: port 2(vx10) entered forwarding state [ 3.531350] br2: port 3(vx20) entered blocking state [ 3.531428] br2: port 3(vx20) entered disabled state [ 3.531500] vx20: entered allmulticast mode [ 3.531571] vx20: entered promiscuous mode [ 3.531611] br2: port 3(vx20) entered blocking state [ 3.531653] br2: port 3(vx20) entered forwarding state [ 3.636388] br2: port 1(w1) entered blocking state [ 3.636468] br2: port 1(w1) entered forwarding state [ 3.957689] br2: port 1(w1) entered blocking state [ 3.957774] br2: port 1(w1) entered disabled state [ 3.957849] w1: entered allmulticast mode [ 3.957972] w1: entered promiscuous mode [ 4.052729] br2: port 2(vx10) entered blocking state [ 4.052816] br2: port 2(vx10) entered disabled state [ 4.052875] vx10: entered allmulticast mode [ 4.052979] vx10: entered promiscuous mode [ 4.053044] br2: port 2(vx10) entered blocking state [ 4.053101] br2: port 2(vx10) entered forwarding state [ 4.144315] br2: port 3(vx20) entered blocking state [ 4.144415] br2: port 3(vx20) entered disabled state [ 4.144494] vx20: entered allmulticast mode [ 4.144594] vx20: entered promiscuous mode [ 4.144661] br2: port 3(vx20) entered blocking state [ 4.144719] br2: port 3(vx20) entered forwarding state [ 4.251945] br2: port 1(w1) entered blocking state [ 4.252047] br2: port 1(w1) entered forwarding state [ 15.677783] vx20: left allmulticast mode [ 15.677853] vx20: left promiscuous mode [ 15.677910] br2: port 3(vx20) entered disabled state [ 15.678108] vx10: left allmulticast mode [ 15.678148] vx10: left promiscuous mode [ 15.678203] br2: port 2(vx10) entered disabled state [ 15.678545] w1: left allmulticast mode [ 15.678644] w1: left promiscuous mode [ 15.678709] br2: port 1(w1) entered disabled state [ 15.698997] ------------[ cut here ]------------ [ 15.699126] refcount_t: underflow; use-after-free. [ 15.699214] WARNING: CPU: 2 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 15.699322] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 15.699473] CPU: 2 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 15.699612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.699696] Workqueue: netns cleanup_net [ 15.699764] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 15.699837] Code: 8e 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 51 8e 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 [ 15.700056] RSP: 0018:ffffa21840257d50 EFLAGS: 00010286 [ 15.700128] RAX: 0000000000000000 RBX: ffffa21840257d60 RCX: 00000000ffffdfff [ 15.700227] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 15.700331] RBP: ffffa21840257868 R08: ffffffff8e956a28 R09: 00000000ffffdfff [ 15.700432] R10: ffffffff8e876a40 R11: ffffffff8e926a40 R12: dead000000000122 [ 15.700530] R13: 00000000fffba8f2 R14: 0000000000000001 R15: ffff917a898e0000 [ 15.700631] FS: 0000000000000000(0000) GS:ffff917b2fcd9000(0000) knlGS:0000000000000000 [ 15.700733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.700818] CR2: 0000561feef4ba38 CR3: 0000000031a41002 CR4: 0000000000772ef0 [ 15.700930] PKRU: 55555554 [ 15.700980] Call Trace: [ 15.701033] [ 15.701096] netdev_run_todo+0x21a/0x550 [ 15.701172] ops_undo_list+0x1e3/0x1f0 [ 15.701243] cleanup_net+0x1b7/0x2b0 [ 15.701318] process_one_work+0x162/0x380 [ 15.701399] worker_thread+0x299/0x3c0 [ 15.701461] ? rescuer_thread+0x4c0/0x4c0 [ 15.701520] kthread+0x101/0x1f0 [ 15.701584] ? kthreads_online_cpu+0x110/0x110 [ 15.701654] ? kthreads_online_cpu+0x110/0x110 [ 15.701725] ret_from_fork+0x11c/0x140 [ 15.701787] ? kthreads_online_cpu+0x110/0x110 [ 15.701870] ret_from_fork_asm+0x11/0x20 [ 15.701947] [ 15.701980] ---[ end trace 0000000000000000 ]--- [ 15.774051] vx20: left allmulticast mode [ 15.774158] vx20: left promiscuous mode [ 15.774236] br2: port 3(vx20) entered disabled state [ 15.774467] vx10: left allmulticast mode [ 15.774532] vx10: left promiscuous mode [ 15.774587] br2: port 2(vx10) entered disabled state [ 15.774770] w1: left allmulticast mode [ 15.774831] w1: left promiscuous mode [ 15.774909] br2: port 1(w1) entered disabled state [ 16.049060] br1: port 4(veth2) entered disabled state [ 16.059084] veth2: left allmulticast mode [ 16.059149] veth2: left promiscuous mode [ 16.059191] br1: port 4(veth2) entered disabled state [ 16.089468] br1: port 3(veth1) entered disabled state [ 16.100193] veth1: left allmulticast mode [ 16.100257] veth1: left promiscuous mode [ 16.100310] br1: port 3(veth1) entered disabled state [ 16.120649] vx20: left allmulticast mode [ 16.120702] vx20: left promiscuous mode [ 16.120738] br1: port 2(vx20) entered disabled state [ 16.171622] vx10: left allmulticast mode [ 16.171679] vx10: left promiscuous mode [ 16.171716] br1: port 1(vx10) entered disabled state