bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 3 PID: 18581 at net/core/dev.c:11101 unregister_netdevice_many+0x12db/0x1790 net/core/dev.c:11101 Modules linked in: CPU: 2 PID: 18581 Comm: syz-executor.2 Not tainted 5.16.0-rc1-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:unregister_netdevice_many+0x12db/0x1790 net/core/dev.c:11101 Code: 0b e9 f1 f1 ff ff e8 94 c4 3e fa be 04 00 00 00 4c 89 f7 e8 47 76 a2 fc e9 73 fb ff ff 48 89 ef e9 55 f9 ff ff e8 75 c4 3e fa <0f> 0b e9 30 fa ff ff e8 69 c4 3e fa 0f b6 1d ef 5c 44 06 31 ff 89 RSP: 0018:ffffc9000361f2b0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888042cac0b0 RCX: ffffc90005ca1000 RDX: 0000000000040000 RSI: ffffffff87385ceb RDI: 0000000000000003 RBP: ffff8880493cfb00 R08: 0000000000000000 R09: ffffffff8d30f787 R10: ffffffff873856ec R11: 0000000000000000 R12: 0000000000000000 R13: ffff888042cac000 R14: dffffc0000000000 R15: ffff8880493cfb00 FS: 00007f941e211700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ec7fc8218 CR3: 000000005c4cd000 CR4: 0000000000150ef0 Call Trace: rtnl_delete_link net/core/rtnetlink.c:3063 [inline] rtnl_dellink+0x354/0xa80 net/core/rtnetlink.c:3115 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5571 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9420c9bae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f941e211188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9420daef60 RCX: 00007f9420c9bae9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006 RBP: 00007f9420cf5f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0442c3ff R14: 00007f941e211300 R15: 0000000000022000