[ 1.932150] veth0: renamed from veth-rt-1 [ 2.049052] veth0: renamed from veth-rt-2 [ 3.783544] ------------[ cut here ]------------ [ 3.783621] refcount_t: underflow; use-after-free. [ 3.783676] WARNING: CPU: 0 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 3.783761] Modules linked in: ip6t_rpfilter nft_compat nf_tables [ 3.783820] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 3.783895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.783945] Workqueue: netns cleanup_net [ 3.783988] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 3.784045] Code: b5 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 55 b5 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 [ 3.784183] RSP: 0018:ffffa3ba40067d50 EFLAGS: 00010286 [ 3.784228] RAX: 0000000000000000 RBX: ffffa3ba40067d60 RCX: 00000000ffffdfff [ 3.784307] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 3.784370] RBP: ffffa3ba40067858 R08: ffffffffb5d5ba28 R09: 00000000ffffdfff [ 3.784428] R10: ffffffffb5c7ba40 R11: ffffffffb5d2ba40 R12: dead000000000122 [ 3.784486] R13: 00000000fffb7a68 R14: 0000000000000001 R15: ffff8a0005f58000 [ 3.784555] FS: 0000000000000000(0000) GS:ffff8a0088791000(0000) knlGS:0000000000000000 [ 3.784624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.784679] CR2: 00007f779df3c000 CR3: 0000000028046001 CR4: 0000000000772ef0 [ 3.784740] PKRU: 55555554 [ 3.784763] Call Trace: [ 3.784786] [ 3.784809] netdev_run_todo+0x21a/0x550 [ 3.784853] ops_undo_list+0x1e3/0x1f0 [ 3.784890] cleanup_net+0x1b7/0x300 [ 3.784926] process_one_work+0x162/0x380 [ 3.784968] worker_thread+0x299/0x3c0 [ 3.785005] ? rescuer_thread+0x4c0/0x4c0 [ 3.785046] kthread+0x101/0x1f0 [ 3.785080] ? kthreads_online_cpu+0x110/0x110 [ 3.785126] ? kthreads_online_cpu+0x110/0x110 [ 3.785173] ret_from_fork+0x11c/0x140 [ 3.785216] ? kthreads_online_cpu+0x110/0x110 [ 3.785261] ret_from_fork_asm+0x11/0x20 [ 3.785303] [ 3.785338] ---[ end trace 0000000000000000 ]---