[ 2.821634] 8021q: 802.1Q VLAN Support v1.8 [ 2.886446] gre: GRE over IPv4 demultiplexer driver [ 2.888760] ip_gre: GRE over IPv4 tunneling driver [ 11.516379] ------------[ cut here ]------------ [ 11.516488] refcount_t: underflow; use-after-free. [ 11.516545] WARNING: CPU: 0 PID: 430 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 11.516608] Modules linked in: ip_gre gre 8021q dummy vrf veth [ 11.516664] CPU: 0 UID: 0 PID: 430 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 11.516750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.516815] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 11.516853] Code: 95 e8 18 df ba ff 90 0f 0b 90 90 c3 80 3d f9 da eb 00 00 75 89 c6 05 f0 da eb 00 01 90 48 c7 c7 28 e0 91 95 e8 f5 de ba ff 90 <0f> 0b 90 90 c3 80 3d d4 da eb 00 00 0f 85 62 ff ff ff c6 05 c7 da [ 11.516995] RSP: 0018:ffffbe45409d7730 EFLAGS: 00010282 [ 11.517032] RAX: 0000000000000000 RBX: ffffbe45409d7740 RCX: 00000000ffffdfff [ 11.517092] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 11.517184] RBP: ffff96e8c6638000 R08: ffffffff95d56a28 R09: 00000000ffffdfff [ 11.517249] R10: ffffffff95c76a40 R11: ffffffff95d26a40 R12: 0000000000000001 [ 11.517299] R13: 00000000fffb988b R14: 0000000000000001 R15: ffff96e8c6638000 [ 11.517370] FS: 00007fd4a4dcc800(0000) GS:ffff96e9687d9000(0000) knlGS:0000000000000000 [ 11.517427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.517474] CR2: 00000000004e7438 CR3: 000000000708b001 CR4: 0000000000772ef0 [ 11.517560] PKRU: 55555554 [ 11.517583] Call Trace: [ 11.517602] [ 11.517624] netdev_run_todo+0x21a/0x550 [ 11.517662] rtnl_dellink+0x15b/0x350 [ 11.517698] ? virtio_fs_enqueue_req+0x352/0x570 [ 11.517743] ? netdev_run_todo+0x63/0x550 [ 11.517778] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 11.517814] rtnetlink_rcv_msg+0x358/0x400 [ 11.517847] ? get_page_from_freelist+0x15b4/0x1770 [ 11.517910] ? rtnl_calcit.isra.0+0x110/0x110 [ 11.517970] netlink_rcv_skb+0x57/0x100 [ 11.518015] netlink_unicast+0x252/0x380 [ 11.518044] ? __alloc_skb+0xdb/0x190 [ 11.518076] netlink_sendmsg+0x1be/0x3e0 [ 11.518107] ____sys_sendmsg+0x132/0x260 [ 11.518143] ? copy_msghdr_from_user+0x6c/0xa0 [ 11.518181] ___sys_sendmsg+0x87/0xd0 [ 11.518211] ? do_wp_page+0x369/0xe90 [ 11.518244] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 11.518288] ? fsnotify_grab_connector+0x48/0x80 [ 11.518358] ? fsnotify_destroy_marks+0x29/0x150 [ 11.518412] __sys_sendmsg+0x71/0xd0 [ 11.518443] do_syscall_64+0xa4/0xfd0 [ 11.518478] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.518516] RIP: 0033:0x7fd4a4f9a1d7 [ 11.518546] 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 [ 11.518664] RSP: 002b:00007fffa5058138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 11.518714] RAX: ffffffffffffffda RBX: 00007fffa5058860 RCX: 00007fd4a4f9a1d7 [ 11.518800] RDX: 0000000000000000 RSI: 00007fffa50581a0 RDI: 0000000000000005 [ 11.518858] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 11.518908] R10: 00007fd4a4e96f60 R11: 0000000000000246 R12: 0000000000000002 [ 11.518963] R13: 00000000690de861 R14: 0000000000499600 R15: 0000000000000000 [ 11.519021] [ 11.519042] ---[ end trace 0000000000000000 ]--- [ 11.519607] ip (430) used greatest stack depth: 11744 bytes left