[ 2.523230] 8021q: 802.1Q VLAN Support v1.8 [ 2.980119] br1: port 1(vx10) entered blocking state [ 2.980229] br1: port 1(vx10) entered disabled state [ 2.980318] vx10: entered allmulticast mode [ 2.980482] vx10: entered promiscuous mode [ 2.980600] br1: port 1(vx10) entered blocking state [ 2.980661] br1: port 1(vx10) entered forwarding state [ 3.028615] br1: port 2(vx20) entered blocking state [ 3.028753] br1: port 2(vx20) entered disabled state [ 3.028849] vx20: entered allmulticast mode [ 3.028968] vx20: entered promiscuous mode [ 3.029063] br1: port 2(vx20) entered blocking state [ 3.029163] br1: port 2(vx20) entered forwarding state [ 3.052371] br1: port 3(veth1) entered blocking state [ 3.052491] br1: port 3(veth1) entered disabled state [ 3.052587] veth1: entered allmulticast mode [ 3.052726] veth1: entered promiscuous mode [ 3.064484] br1: port 3(veth1) entered blocking state [ 3.064560] br1: port 3(veth1) entered forwarding state [ 3.098039] br1: port 4(veth2) entered blocking state [ 3.098104] br1: port 4(veth2) entered disabled state [ 3.098165] veth2: entered allmulticast mode [ 3.098244] veth2: entered promiscuous mode [ 3.110219] br1: port 4(veth2) entered blocking state [ 3.110323] br1: port 4(veth2) entered forwarding state [ 3.609599] br2: port 1(w1) entered blocking state [ 3.609683] br2: port 1(w1) entered disabled state [ 3.609747] w1: entered allmulticast mode [ 3.609826] w1: entered promiscuous mode [ 3.702255] br2: port 2(vx10) entered blocking state [ 3.702345] br2: port 2(vx10) entered disabled state [ 3.702413] vx10: entered allmulticast mode [ 3.702525] vx10: entered promiscuous mode [ 3.702627] br2: port 2(vx10) entered blocking state [ 3.702698] br2: port 2(vx10) entered forwarding state [ 3.792882] br2: port 3(vx20) entered blocking state [ 3.792951] br2: port 3(vx20) entered disabled state [ 3.793011] vx20: entered allmulticast mode [ 3.793090] vx20: entered promiscuous mode [ 3.793133] br2: port 3(vx20) entered blocking state [ 3.793172] br2: port 3(vx20) entered forwarding state [ 3.897957] br2: port 1(w1) entered blocking state [ 3.898039] br2: port 1(w1) entered forwarding state [ 4.212960] br2: port 1(w1) entered blocking state [ 4.213034] br2: port 1(w1) entered disabled state [ 4.213107] w1: entered allmulticast mode [ 4.213193] w1: entered promiscuous mode [ 4.301511] br2: port 2(vx10) entered blocking state [ 4.301587] br2: port 2(vx10) entered disabled state [ 4.301648] vx10: entered allmulticast mode [ 4.301730] vx10: entered promiscuous mode [ 4.301787] br2: port 2(vx10) entered blocking state [ 4.301843] br2: port 2(vx10) entered forwarding state [ 4.384056] br2: port 3(vx20) entered blocking state [ 4.384138] br2: port 3(vx20) entered disabled state [ 4.384207] vx20: entered allmulticast mode [ 4.384300] vx20: entered promiscuous mode [ 4.384350] br2: port 3(vx20) entered blocking state [ 4.384404] br2: port 3(vx20) entered forwarding state [ 4.480337] br2: port 1(w1) entered blocking state [ 4.480412] br2: port 1(w1) entered forwarding state [ 15.844985] vx20: left allmulticast mode [ 15.845060] vx20: left promiscuous mode [ 15.845115] br2: port 3(vx20) entered disabled state [ 15.845324] vx10: left allmulticast mode [ 15.845380] vx10: left promiscuous mode [ 15.845426] br2: port 2(vx10) entered disabled state [ 15.845633] w1: left allmulticast mode [ 15.845681] w1: left promiscuous mode [ 15.845729] br2: port 1(w1) entered disabled state [ 15.868523] ------------[ cut here ]------------ [ 15.868620] refcount_t: underflow; use-after-free. [ 15.868701] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 15.868798] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 15.868908] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 15.869005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.869072] Workqueue: netns cleanup_net [ 15.869122] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 15.869184] Code: b5 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 b5 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 [ 15.869392] RSP: 0018:ffffbf9800257d50 EFLAGS: 00010286 [ 15.869454] RAX: 0000000000000000 RBX: ffffbf9800257d60 RCX: 00000000ffffdfff [ 15.869543] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 15.869629] RBP: ffffbf9800257868 R08: ffffffffb5756a28 R09: 00000000ffffdfff [ 15.869708] R10: ffffffffb5676a40 R11: ffffffffb5726a40 R12: dead000000000122 [ 15.869788] R13: 00000000fffba991 R14: 0000000000000001 R15: ffff9fafcb999000 [ 15.869874] FS: 0000000000000000(0000) GS:ffff9fb048dd9000(0000) knlGS:0000000000000000 [ 15.869959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.870021] CR2: 00007f82216521b4 CR3: 0000000007c41005 CR4: 0000000000772ef0 [ 15.870101] PKRU: 55555554 [ 15.870134] Call Trace: [ 15.870163] [ 15.870195] netdev_run_todo+0x21a/0x550 [ 15.870252] ops_undo_list+0x1e3/0x1f0 [ 15.870298] cleanup_net+0x1b7/0x2b0 [ 15.870346] process_one_work+0x162/0x380 [ 15.870399] worker_thread+0x299/0x3c0 [ 15.870447] ? rescuer_thread+0x4c0/0x4c0 [ 15.870500] kthread+0x101/0x1f0 [ 15.870548] ? kthreads_online_cpu+0x110/0x110 [ 15.870602] ? kthreads_online_cpu+0x110/0x110 [ 15.870663] ret_from_fork+0x11c/0x140 [ 15.870711] ? kthreads_online_cpu+0x110/0x110 [ 15.870772] ret_from_fork_asm+0x11/0x20 [ 15.870822] [ 15.870853] ---[ end trace 0000000000000000 ]--- [ 15.904605] vx20: left allmulticast mode [ 15.904663] vx20: left promiscuous mode [ 15.904707] br2: port 3(vx20) entered disabled state [ 15.904871] vx10: left allmulticast mode [ 15.904909] vx10: left promiscuous mode [ 15.904939] br2: port 2(vx10) entered disabled state [ 15.905068] w1: left allmulticast mode [ 15.905106] w1: left promiscuous mode [ 15.905144] br2: port 1(w1) entered disabled state [ 16.202483] br1: port 4(veth2) entered disabled state [ 16.213023] veth2: left allmulticast mode [ 16.213126] veth2: left promiscuous mode [ 16.213191] br1: port 4(veth2) entered disabled state [ 16.244737] br1: port 3(veth1) entered disabled state [ 16.255724] veth1: left allmulticast mode [ 16.255828] veth1: left promiscuous mode [ 16.255902] br1: port 3(veth1) entered disabled state [ 16.276452] vx20: left allmulticast mode [ 16.276571] vx20: left promiscuous mode [ 16.276628] br1: port 2(vx20) entered disabled state [ 16.330752] vx10: left allmulticast mode [ 16.330862] vx10: left promiscuous mode [ 16.330929] br1: port 1(vx10) entered disabled state