[ 2.035163] bond1: (slave dummy1): making interface the new active one [ 2.035284] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 2.047655] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 2.060914] dummy1: entered promiscuous mode [ 2.117708] dummy1: left promiscuous mode [ 2.129721] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 2.134202] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 2.142180] bond1 (unregistering): Released all slaves [ 2.151149] ------------[ cut here ]------------ [ 2.151285] refcount_t: underflow; use-after-free. [ 2.151343] WARNING: CPU: 0 PID: 266 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 2.151411] Modules linked in: [ 2.151447] CPU: 0 UID: 0 PID: 266 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 2.151528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.151586] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 2.151626] Code: 87 e8 88 98 ba ff 90 0f 0b 90 90 c3 80 3d 69 b4 eb 00 00 75 89 c6 05 60 b4 eb 00 01 90 48 c7 c7 98 6e 14 87 e8 65 98 ba ff 90 <0f> 0b 90 90 c3 80 3d 44 b4 eb 00 00 0f 85 62 ff ff ff c6 05 37 b4 [ 2.151751] RSP: 0018:ffffc09b40627730 EFLAGS: 00010282 [ 2.151790] RAX: 0000000000000000 RBX: ffffc09b40627740 RCX: 00000000ffffdfff [ 2.151844] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 2.151900] RBP: ffffc09b40627258 R08: ffffffff87556a28 R09: 00000000ffffdfff [ 2.151968] R10: ffffffff87476a40 R11: ffffffff87526a40 R12: dead000000000122 [ 2.152024] R13: 00000000fffb73e8 R14: 0000000000000001 R15: ffff99fd832e1000 [ 2.152083] FS: 00007fb149ebd800(0000) GS:ffff99fe36fb7000(0000) knlGS:0000000000000000 [ 2.152146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.152206] CR2: 00007f229feb14c0 CR3: 000000000460d006 CR4: 0000000000772ef0 [ 2.152267] PKRU: 55555554 [ 2.152294] Call Trace: [ 2.152318] [ 2.152340] netdev_run_todo+0x21a/0x550 [ 2.152379] rtnl_dellink+0x15b/0x350 [ 2.152418] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.152461] ? netdev_run_todo+0x63/0x550 [ 2.152494] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 2.152538] rtnetlink_rcv_msg+0x358/0x400 [ 2.152569] ? get_page_from_freelist+0x15b4/0x1770 [ 2.152613] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.152652] netlink_rcv_skb+0x57/0x100 [ 2.152690] netlink_unicast+0x252/0x380 [ 2.152720] ? __alloc_skb+0xdb/0x190 [ 2.152755] netlink_sendmsg+0x1be/0x3e0 [ 2.152788] ____sys_sendmsg+0x132/0x260 [ 2.152820] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.152863] ___sys_sendmsg+0x87/0xd0 [ 2.152895] ? do_wp_page+0x369/0xe90 [ 2.152930] ? ___pte_offset_map+0x1b/0xd0 [ 2.152969] ? __handle_mm_fault+0x4e6/0xe50 [ 2.153009] ? fsnotify_grab_connector+0x48/0x80 [ 2.153049] ? fsnotify_destroy_marks+0x29/0x150 [ 2.153090] __sys_sendmsg+0x71/0xd0 [ 2.153132] do_syscall_64+0xa4/0xfd0 [ 2.153173] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.153217] RIP: 0033:0x7fb14a08b1d7 [ 2.153256] 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 [ 2.153385] RSP: 002b:00007ffd7649f9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.153441] RAX: ffffffffffffffda RBX: 00007ffd764a00d0 RCX: 00007fb14a08b1d7 [ 2.153499] RDX: 0000000000000000 RSI: 00007ffd7649fa10 RDI: 0000000000000005 [ 2.153566] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 2.153623] R10: 00007fb149f87f60 R11: 0000000000000246 R12: 0000000000000001 [ 2.153681] R13: 00000000690de790 R14: 0000000000499600 R15: 0000000000000000 [ 2.153739] [ 2.153761] ---[ end trace 0000000000000000 ]--- [ 2.154435] ip (266) used greatest stack depth: 11744 bytes left [ 2.338063] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 2.348638] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 2.361991] dummy1: entered promiscuous mode [ 2.362118] dummy2: entered promiscuous mode [ 2.417056] dummy1: left promiscuous mode [ 2.417154] dummy2: left promiscuous mode [ 2.428983] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 2.433218] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 2.441181] bond1 (unregistering): Released all slaves [ 2.624440] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 2.636761] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 2.687731] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 2.714734] bond1: (slave dummy1): Removing an active aggregator [ 2.714876] bond1: (slave dummy1): Releasing backup interface [ 2.778435] bond1 (unregistering): Released all slaves [ 2.876304] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 2.925688] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 2.948984] bond1: (slave dummy1): Removing an active aggregator [ 2.949107] bond1: (slave dummy1): Releasing backup interface [ 3.012847] bond1 (unregistering): Released all slaves