[ 1.849791] bond1: (slave dummy1): making interface the new active one [ 1.849871] bond1: (slave dummy1): Enslaving as an active interface with an up link [ 1.862504] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 1.874684] dummy1: entered promiscuous mode [ 1.929561] dummy1: left promiscuous mode [ 1.940373] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 1.946388] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 1.954339] bond1 (unregistering): Released all slaves [ 1.961293] ------------[ cut here ]------------ [ 1.961385] refcount_t: underflow; use-after-free. [ 1.961460] WARNING: CPU: 3 PID: 265 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 1.961561] Modules linked in: [ 1.961610] CPU: 3 UID: 0 PID: 265 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 1.961712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1.961780] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 1.961841] Code: 84 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 54 84 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 [ 1.962035] RSP: 0018:ffffaebf0064f730 EFLAGS: 00010282 [ 1.962089] RAX: 0000000000000000 RBX: ffffaebf0064f740 RCX: 00000000ffffdfff [ 1.962174] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 1.962268] RBP: ffffaebf0064f258 R08: ffffffff84956a28 R09: 00000000ffffdfff [ 1.962362] R10: ffffffff84876a40 R11: ffffffff84926a40 R12: dead000000000122 [ 1.962448] R13: 00000000fffb7347 R14: 0000000000000001 R15: ffff8f6d42cab000 [ 1.962536] FS: 00007f95442b7800(0000) GS:ffff8f6df9d37000(0000) knlGS:0000000000000000 [ 1.962623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.962693] CR2: 00007f3efc3f64c0 CR3: 0000000004e48001 CR4: 0000000000772ef0 [ 1.962782] PKRU: 55555554 [ 1.962809] Call Trace: [ 1.962840] [ 1.962867] netdev_run_todo+0x21a/0x550 [ 1.962920] rtnl_dellink+0x15b/0x350 [ 1.962992] ? virtio_fs_enqueue_req+0x352/0x570 [ 1.963060] ? netdev_run_todo+0x63/0x550 [ 1.963099] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 1.963157] rtnetlink_rcv_msg+0x358/0x400 [ 1.963198] ? get_page_from_freelist+0x15b4/0x1770 [ 1.963274] ? rtnl_calcit.isra.0+0x110/0x110 [ 1.963334] netlink_rcv_skb+0x57/0x100 [ 1.963377] netlink_unicast+0x252/0x380 [ 1.963418] ? __alloc_skb+0xdb/0x190 [ 1.963460] netlink_sendmsg+0x1be/0x3e0 [ 1.963502] ____sys_sendmsg+0x132/0x260 [ 1.963549] ? copy_msghdr_from_user+0x6c/0xa0 [ 1.963605] ___sys_sendmsg+0x87/0xd0 [ 1.963647] ? do_wp_page+0x369/0xe90 [ 1.963696] ? ___pte_offset_map+0x1b/0xd0 [ 1.963745] ? __handle_mm_fault+0x4e6/0xe50 [ 1.963801] ? fsnotify_grab_connector+0x48/0x80 [ 1.963858] ? fsnotify_destroy_marks+0x29/0x150 [ 1.963915] __sys_sendmsg+0x71/0xd0 [ 1.963966] do_syscall_64+0xa4/0xfd0 [ 1.964009] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1.964063] RIP: 0033:0x7f95444851d7 [ 1.964111] 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 [ 1.964303] RSP: 002b:00007fff09f1ab18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1.964389] RAX: ffffffffffffffda RBX: 00007fff09f1b240 RCX: 00007f95444851d7 [ 1.964473] RDX: 0000000000000000 RSI: 00007fff09f1ab80 RDI: 0000000000000005 [ 1.964554] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 1.964633] R10: 00007f9544381f60 R11: 0000000000000246 R12: 0000000000000001 [ 1.964711] R13: 00000000690def50 R14: 0000000000499600 R15: 0000000000000000 [ 1.964795] [ 1.964823] ---[ end trace 0000000000000000 ]--- [ 1.965442] ip (265) used greatest stack depth: 11744 bytes left [ 2.162608] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 2.173168] bond1: (slave dummy2): Enslaving as a backup interface with an up link [ 2.185596] dummy1: entered promiscuous mode [ 2.185681] dummy2: entered promiscuous mode [ 2.238221] dummy1: left promiscuous mode [ 2.238285] dummy2: left promiscuous mode [ 2.247872] bond1 (unregistering): (slave dummy1): Releasing backup interface [ 2.255361] bond1 (unregistering): (slave dummy2): Releasing backup interface [ 2.259318] bond1 (unregistering): Released all slaves [ 2.445320] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 2.458982] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 2.506505] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 2.529234] bond1: (slave dummy1): Removing an active aggregator [ 2.529377] bond1: (slave dummy1): Releasing backup interface [ 2.591769] bond1 (unregistering): Released all slaves [ 2.678810] bond1: (slave dummy1): Enslaving as a backup interface with an up link [ 2.725460] bond1: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 2.748530] bond1: (slave dummy1): Removing an active aggregator [ 2.748608] bond1: (slave dummy1): Releasing backup interface [ 2.809289] bond1 (unregistering): Released all slaves