[ 2.112786] veth0: renamed from veth-rt-1 [ 2.234103] veth0: renamed from veth-rt-2 [ 3.673659] ------------[ cut here ]------------ [ 3.673720] refcount_t: underflow; use-after-free. [ 3.673774] WARNING: CPU: 0 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 3.673836] Modules linked in: ipt_rpfilter nft_compat nf_tables [ 3.673886] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 3.673952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.673995] Workqueue: netns cleanup_net [ 3.674032] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 3.674072] Code: 85 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 95 85 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 [ 3.674194] RSP: 0018:ffffb8d040067d50 EFLAGS: 00010286 [ 3.674234] RAX: 0000000000000000 RBX: ffffb8d040067d60 RCX: 00000000ffffdfff [ 3.674290] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 3.674340] RBP: ffffb8d040067858 R08: ffffffff8615ba28 R09: 00000000ffffdfff [ 3.674389] R10: ffffffff8607ba40 R11: ffffffff8612ba40 R12: dead000000000122 [ 3.674440] R13: 00000000fffb79fc R14: 0000000000000001 R15: ffff915d86ec7000 [ 3.674492] FS: 0000000000000000(0000) GS:ffff915e38391000(0000) knlGS:0000000000000000 [ 3.674547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.674598] CR2: 00007fa59d0f42a8 CR3: 0000000006f6b003 CR4: 0000000000772ef0 [ 3.674654] PKRU: 55555554 [ 3.674676] Call Trace: [ 3.674694] [ 3.674709] netdev_run_todo+0x21a/0x550 [ 3.674744] ops_undo_list+0x1e3/0x1f0 [ 3.674773] cleanup_net+0x1b7/0x300 [ 3.674803] process_one_work+0x162/0x380 [ 3.674838] worker_thread+0x299/0x3c0 [ 3.674869] ? rescuer_thread+0x4c0/0x4c0 [ 3.674899] kthread+0x101/0x1f0 [ 3.674930] ? kthreads_online_cpu+0x110/0x110 [ 3.674968] ? kthreads_online_cpu+0x110/0x110 [ 3.675002] ret_from_fork+0x11c/0x140 [ 3.675034] ? kthreads_online_cpu+0x110/0x110 [ 3.675072] ret_from_fork_asm+0x11/0x20 [ 3.675107] [ 3.675127] ---[ end trace 0000000000000000 ]---