[ 2.653518] eth1: renamed from tmp [ 8.158409] ------------[ cut here ]------------ [ 8.158512] refcount_t: underflow; use-after-free. [ 8.158573] WARNING: CPU: 3 PID: 694 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 8.158644] Modules linked in: [ 8.158681] CPU: 3 UID: 0 PID: 694 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 8.158750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.158799] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 8.158842] Code: 8b 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 8b 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 [ 8.158977] RSP: 0018:ffffbb1b40faf730 EFLAGS: 00010282 [ 8.159020] RAX: 0000000000000000 RBX: ffffbb1b40faf740 RCX: 00000000ffffdfff [ 8.159079] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 8.159141] RBP: ffffbb1b40faf238 R08: ffffffff8c15ba28 R09: 00000000ffffdfff [ 8.159201] R10: ffffffff8c07ba40 R11: ffffffff8c12ba40 R12: dead000000000122 [ 8.159266] R13: 00000000fffb8b81 R14: 0000000000000001 R15: ffff93d545ce7000 [ 8.159337] FS: 00007fc747633800(0000) GS:ffff93d5f2511000(0000) knlGS:0000000000000000 [ 8.159397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.159446] CR2: 00000000004e5a38 CR3: 0000000008386005 CR4: 0000000000772ef0 [ 8.159502] PKRU: 55555554 [ 8.159525] Call Trace: [ 8.159544] [ 8.159569] netdev_run_todo+0x21a/0x550 [ 8.159602] rtnl_dellink+0x15b/0x350 [ 8.159645] ? virtio_fs_enqueue_req+0x352/0x570 [ 8.159694] ? netdev_run_todo+0x63/0x550 [ 8.159732] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 8.159778] rtnetlink_rcv_msg+0x358/0x400 [ 8.159818] ? get_page_from_freelist+0x15b4/0x1770 [ 8.159857] ? rtnl_calcit.isra.0+0x110/0x110 [ 8.159897] netlink_rcv_skb+0x57/0x100 [ 8.159930] netlink_unicast+0x252/0x380 [ 8.159966] ? __alloc_skb+0xdb/0x190 [ 8.160000] netlink_sendmsg+0x1be/0x3e0 [ 8.160034] ____sys_sendmsg+0x132/0x260 [ 8.160068] ? copy_msghdr_from_user+0x6c/0xa0 [ 8.160116] ___sys_sendmsg+0x87/0xd0 [ 8.160148] ? do_wp_page+0x369/0xe90 [ 8.160181] ? ___pte_offset_map+0x1b/0xd0 [ 8.160219] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 8.160266] ? fsnotify_grab_connector+0x48/0x80 [ 8.160316] ? fsnotify_destroy_marks+0x29/0x150 [ 8.160361] __sys_sendmsg+0x71/0xd0 [ 8.160398] do_syscall_64+0xa4/0xfd0 [ 8.160436] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.160485] RIP: 0033:0x7fc7478011d7 [ 8.160519] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 8.160655] RSP: 002b:00007ffe6d10fef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 8.160714] RAX: ffffffffffffffda RBX: 00007ffe6d110630 RCX: 00007fc7478011d7 [ 8.160769] RDX: 0000000000000000 RSI: 00007ffe6d10ff60 RDI: 0000000000000005 [ 8.160828] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 8.160882] R10: 00007fc7476fd510 R11: 0000000000000246 R12: 0000000000000002 [ 8.160943] R13: 00000000690de25b R14: 0000000000499600 R15: 0000000000000000 [ 8.160998] [ 8.161021] ---[ end trace 0000000000000000 ]--- [ 8.167129] ip (694) used greatest stack depth: 11744 bytes left [ 8.885596] eth1: renamed from tmp [ 14.866473] eth1: renamed from tmp [ 22.208481] eth1: renamed from tmp [ 29.642519] eth1: renamed from tmp [ 89.959586] eth1: renamed from tmp [ 93.049527] eth2: renamed from tmp [ 145.295538] eth1: renamed from tmp [ 160.788454] eth1: renamed from tmp [ 168.320498] eth1: renamed from tmp [ 171.167495] eth1: renamed from tmp [ 174.444550] eth1: renamed from tmp [ 180.812550] eth1: renamed from tmp [ 185.132509] eth1: renamed from tmp [ 191.520529] eth1: renamed from tmp [ 197.842477] eth1: renamed from tmp [ 204.189507] eth1: renamed from tmp [ 210.561523] eth1: renamed from tmp [ 216.908483] eth1: renamed from tmp [ 223.257531] eth1: renamed from tmp [ 229.635490] eth1: renamed from tmp [ 235.967501] eth1: renamed from tmp [ 242.259500] eth1: renamed from tmp [ 248.613520] eth1: renamed from tmp [ 254.919531] eth1: renamed from tmp [ 261.276513] eth1: renamed from tmp [ 267.654513] eth1: renamed from tmp [ 274.005507] eth1: renamed from tmp [ 280.391560] eth1: renamed from tmp [ 286.765470] eth1: renamed from tmp [ 293.141534] eth1: renamed from tmp [ 299.508527] eth1: renamed from tmp [ 305.780481] eth1: renamed from tmp [ 312.145574] eth1: renamed from tmp [ 318.546526] eth1: renamed from tmp [ 324.963487] eth1: renamed from tmp [ 331.285556] eth1: renamed from tmp [ 337.685487] eth1: renamed from tmp [ 344.081503] eth1: renamed from tmp [ 350.482485] eth1: renamed from tmp [ 356.845549] eth1: renamed from tmp [ 363.210504] eth1: renamed from tmp [ 369.604478] eth1: renamed from tmp [ 376.059572] eth1: renamed from tmp [ 383.712486] eth1: renamed from tmp [ 391.411515] eth1: renamed from tmp [ 399.155539] eth1: renamed from tmp [ 406.903532] eth1: renamed from tmp [ 414.686490] eth1: renamed from tmp [ 422.303483] eth1: renamed from tmp [ 429.974529] eth1: renamed from tmp [ 437.743543] eth1: renamed from tmp [ 445.413514] eth1: renamed from tmp [ 453.088530] eth1: renamed from tmp [ 460.738524] eth1: renamed from tmp [ 468.491527] eth1: renamed from tmp [ 476.210522] eth1: renamed from tmp [ 483.969541] eth1: renamed from tmp [ 491.729488] eth1: renamed from tmp