[ 3.288413] eth3: renamed from tmp [ 3.455366] eth2: renamed from tmp [ 3.705411] eth0: renamed from tmp [ 3.774603] br0: port 1(eth0) entered blocking state [ 3.774685] br0: port 1(eth0) entered disabled state [ 3.774755] eth0: entered allmulticast mode [ 3.774845] eth0: entered promiscuous mode [ 3.774913] br0: port 1(eth0) entered blocking state [ 3.774966] br0: port 1(eth0) entered forwarding state [ 3.876379] eth1: renamed from tmp [ 3.939910] br0: port 2(eth1) entered blocking state [ 3.939993] br0: port 2(eth1) entered disabled state [ 3.940061] eth1: entered allmulticast mode [ 3.940146] eth1: entered promiscuous mode [ 3.940220] br0: port 2(eth1) entered blocking state [ 3.940268] br0: port 2(eth1) entered forwarding state [ 8.116318] ------------[ cut here ]------------ [ 8.116429] refcount_t: underflow; use-after-free. [ 8.116504] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 8.116598] Modules linked in: [ 8.116650] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 8.116747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.116820] Workqueue: netns cleanup_net [ 8.116874] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 8.116929] Code: a3 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 b5 a3 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 [ 8.117115] RSP: 0018:ffffbd2080257d50 EFLAGS: 00010286 [ 8.117178] RAX: 0000000000000000 RBX: ffffbd2080257d60 RCX: 00000000ffffdfff [ 8.117272] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 8.117362] RBP: ffffbd2080257858 R08: ffffffffa435ba28 R09: 00000000ffffdfff [ 8.117436] R10: ffffffffa427ba40 R11: ffffffffa432ba40 R12: dead000000000122 [ 8.117514] R13: 00000000fffb8b4a R14: 0000000000000001 R15: ffff93d4047e7000 [ 8.117599] FS: 0000000000000000(0000) GS:ffff93d49a191000(0000) knlGS:0000000000000000 [ 8.117683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.117748] CR2: 00007f0ed6564000 CR3: 0000000020e46004 CR4: 0000000000772ef0 [ 8.117834] PKRU: 55555554 [ 8.117863] Call Trace: [ 8.117891] [ 8.117923] netdev_run_todo+0x21a/0x550 [ 8.117969] ops_undo_list+0x1e3/0x1f0 [ 8.118023] cleanup_net+0x1b7/0x300 [ 8.118067] process_one_work+0x162/0x380 [ 8.118119] worker_thread+0x299/0x3c0 [ 8.118165] ? rescuer_thread+0x4c0/0x4c0 [ 8.118216] kthread+0x101/0x1f0 [ 8.118267] ? kthreads_online_cpu+0x110/0x110 [ 8.118326] ? kthreads_online_cpu+0x110/0x110 [ 8.118387] ret_from_fork+0x11c/0x140 [ 8.118432] ? kthreads_online_cpu+0x110/0x110 [ 8.118485] ret_from_fork_asm+0x11/0x20 [ 8.118534] [ 8.118564] ---[ end trace 0000000000000000 ]--- [ 8.118820] br0: port 1(eth0) entered disabled state [ 8.119249] eth0 (unregistering): left allmulticast mode [ 8.119322] eth0 (unregistering): left promiscuous mode [ 8.119371] br0: port 1(eth0) entered disabled state [ 8.210300] eth1: left allmulticast mode [ 8.210374] eth1: left promiscuous mode [ 8.210429] br0: port 2(eth1) entered disabled state [ 9.490454] eth3: renamed from tmp [ 9.660383] eth2: renamed from tmp [ 9.857432] eth0: renamed from tmp [ 9.924967] br100: port 1(eth0) entered blocking state [ 9.925036] br100: port 1(eth0) entered disabled state [ 9.925099] eth0: entered allmulticast mode [ 9.925177] eth0: entered promiscuous mode [ 9.925265] br100: port 1(eth0) entered blocking state [ 9.925306] br100: port 1(eth0) entered forwarding state [ 10.005403] eth1: renamed from tmp [ 10.071343] br100: port 2(eth1) entered blocking state [ 10.071409] br100: port 2(eth1) entered disabled state [ 10.071453] eth1: entered allmulticast mode [ 10.071548] eth1: entered promiscuous mode [ 10.071602] br100: port 2(eth1) entered blocking state [ 10.071664] br100: port 2(eth1) entered forwarding state [ 14.253532] br100: port 1(eth0) entered disabled state [ 14.253893] eth0 (unregistering): left allmulticast mode [ 14.253984] eth0 (unregistering): left promiscuous mode [ 14.254027] br100: port 1(eth0) entered disabled state [ 14.337989] eth1: left allmulticast mode [ 14.338058] eth1: left promiscuous mode [ 14.338113] br100: port 2(eth1) entered disabled state [ 15.370439] eth1: renamed from tmp [ 15.527445] eth2: renamed from tmp [ 20.191894] eth1tag: renamed from eth1 (while UP) [ 20.235318] eth1: renamed from eth1tag (while UP) [ 20.592939] eth1tag: renamed from eth1 (while UP) [ 20.638632] eth1: renamed from eth1tag (while UP) [ 20.988515] eth1tag: renamed from eth1 (while UP) [ 21.036685] eth1: renamed from eth1tag (while UP) [ 21.409560] eth1tag: renamed from eth1 (while UP) [ 21.456495] eth1: renamed from eth1tag (while UP) [ 22.592433] eth1: renamed from tmp [ 22.825424] eth2: renamed from tmp [ 28.248432] eth1: renamed from tmp [ 28.467432] eth2: renamed from tmp [ 33.796423] eth1: renamed from tmp [ 33.935388] eth2: renamed from tmp [ 38.553969] eth1tag: renamed from eth1 (while UP) [ 38.599224] eth1: renamed from eth1tag (while UP) [ 38.951823] eth1tag: renamed from eth1 (while UP) [ 38.994432] eth1: renamed from eth1tag (while UP) [ 39.390882] eth1tag: renamed from eth1 (while UP) [ 39.434742] eth1: renamed from eth1tag (while UP) [ 39.815418] eth1tag: renamed from eth1 (while UP) [ 39.861761] eth1: renamed from eth1tag (while UP)