[ 2.945368] ip (312) used greatest stack depth: 11976 bytes left [ 3.000565] eth3: renamed from tmp [ 3.151518] eth2: renamed from tmp [ 3.367525] eth0: renamed from tmp [ 3.430840] br0: port 1(eth0) entered blocking state [ 3.430956] br0: port 1(eth0) entered disabled state [ 3.431040] eth0: entered allmulticast mode [ 3.431145] eth0: entered promiscuous mode [ 3.431238] br0: port 1(eth0) entered blocking state [ 3.431299] br0: port 1(eth0) entered forwarding state [ 3.518541] eth1: renamed from tmp [ 3.577867] br0: port 2(eth1) entered blocking state [ 3.577933] br0: port 2(eth1) entered disabled state [ 3.577982] eth1: entered allmulticast mode [ 3.578048] eth1: entered promiscuous mode [ 3.578094] br0: port 2(eth1) entered blocking state [ 3.578132] br0: port 2(eth1) entered forwarding state [ 7.771474] ------------[ cut here ]------------ [ 7.771538] refcount_t: underflow; use-after-free. [ 7.771588] WARNING: CPU: 1 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 7.771693] Modules linked in: [ 7.771728] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 7.771793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.771841] Workqueue: netns cleanup_net [ 7.771877] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 7.771916] Code: 88 e8 e8 54 ba ff 90 0f 0b 90 90 c3 80 3d 00 e6 2b 01 00 75 89 c6 05 f7 e5 2b 01 01 90 48 c7 c7 f8 48 d5 88 e8 c5 54 ba ff 90 <0f> 0b 90 90 c3 80 3d db e5 2b 01 00 0f 85 62 ff ff ff c6 05 ce e5 [ 7.772036] RSP: 0018:ffffbde84025fd50 EFLAGS: 00010286 [ 7.772075] RAX: 0000000000000000 RBX: ffffbde84025fd60 RCX: 00000000ffffdfff [ 7.772130] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 7.772186] RBP: ffffbde84025f858 R08: ffffffff8955ba28 R09: 00000000ffffdfff [ 7.772235] R10: ffffffff8947ba40 R11: ffffffff8952ba40 R12: dead000000000122 [ 7.772285] R13: 00000000fffb89fd R14: 0000000000000001 R15: ffff9dde84b89000 [ 7.772337] FS: 0000000000000000(0000) GS:ffff9ddf35011000(0000) knlGS:0000000000000000 [ 7.772395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.772440] CR2: 000055c670ed0990 CR3: 0000000014e46005 CR4: 0000000000772ef0 [ 7.772493] PKRU: 55555554 [ 7.772508] Call Trace: [ 7.772526] [ 7.772550] netdev_run_todo+0x21a/0x550 [ 7.772583] ops_undo_list+0x1e3/0x1f0 [ 7.772614] cleanup_net+0x1b7/0x300 [ 7.772640] process_one_work+0x162/0x380 [ 7.772676] worker_thread+0x299/0x3c0 [ 7.772708] ? rescuer_thread+0x4c0/0x4c0 [ 7.772737] kthread+0x101/0x1f0 [ 7.772769] ? kthreads_online_cpu+0x110/0x110 [ 7.772809] ? kthreads_online_cpu+0x110/0x110 [ 7.772848] ret_from_fork+0x11c/0x140 [ 7.772880] ? kthreads_online_cpu+0x110/0x110 [ 7.772918] ret_from_fork_asm+0x11/0x20 [ 7.772950] [ 7.772971] ---[ end trace 0000000000000000 ]--- [ 7.773144] br0: port 1(eth0) entered disabled state [ 7.773371] eth0 (unregistering): left allmulticast mode [ 7.773477] eth0 (unregistering): left promiscuous mode [ 7.773518] br0: port 1(eth0) entered disabled state [ 7.846978] eth1: left allmulticast mode [ 7.847061] eth1: left promiscuous mode [ 7.847112] br0: port 2(eth1) entered disabled state [ 9.033572] eth3: renamed from tmp [ 9.186575] eth2: renamed from tmp [ 9.362560] eth0: renamed from tmp [ 9.425755] br100: port 1(eth0) entered blocking state [ 9.425882] br100: port 1(eth0) entered disabled state [ 9.425980] eth0: entered allmulticast mode [ 9.426088] eth0: entered promiscuous mode [ 9.426181] br100: port 1(eth0) entered blocking state [ 9.426257] br100: port 1(eth0) entered forwarding state [ 9.502553] eth1: renamed from tmp [ 9.570596] br100: port 2(eth1) entered blocking state [ 9.570658] br100: port 2(eth1) entered disabled state [ 9.570716] eth1: entered allmulticast mode [ 9.570786] eth1: entered promiscuous mode [ 9.570835] br100: port 2(eth1) entered blocking state [ 9.570879] br100: port 2(eth1) entered forwarding state [ 13.726585] br100: port 1(eth0) entered disabled state [ 13.726925] eth0 (unregistering): left allmulticast mode [ 13.726978] eth0 (unregistering): left promiscuous mode [ 13.727061] br100: port 1(eth0) entered disabled state [ 13.807638] eth1: left allmulticast mode [ 13.807699] eth1: left promiscuous mode [ 13.807757] br100: port 2(eth1) entered disabled state [ 14.707509] eth1: renamed from tmp [ 14.848500] eth2: renamed from tmp [ 19.414751] eth1tag: renamed from eth1 (while UP) [ 19.450228] eth1: renamed from eth1tag (while UP) [ 19.744852] eth1tag: renamed from eth1 (while UP) [ 19.781286] eth1: renamed from eth1tag (while UP) [ 20.082179] eth1tag: renamed from eth1 (while UP) [ 20.124319] eth1: renamed from eth1tag (while UP) [ 20.436287] eth1tag: renamed from eth1 (while UP) [ 20.476541] eth1: renamed from eth1tag (while UP) [ 21.502621] eth1: renamed from tmp [ 21.704514] eth2: renamed from tmp [ 26.851533] eth1: renamed from tmp [ 27.037520] eth2: renamed from tmp [ 32.266561] eth1: renamed from tmp [ 32.402602] eth2: renamed from tmp [ 36.999192] eth1tag: renamed from eth1 (while UP) [ 37.040230] eth1: renamed from eth1tag (while UP) [ 37.397715] eth1tag: renamed from eth1 (while UP) [ 37.439225] eth1: renamed from eth1tag (while UP) [ 37.788617] eth1tag: renamed from eth1 (while UP) [ 37.832231] eth1: renamed from eth1tag (while UP) [ 38.198800] eth1tag: renamed from eth1 (while UP) [ 38.241178] eth1: renamed from eth1tag (while UP)