bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 2 PID: 6396 at net/core/dev.c:10886 unregister_netdevice_many+0x1451/0x1980 net/core/dev.c:10886 Modules linked in: CPU: 2 PID: 6396 Comm: syz-executor.1 Not tainted 6.0.0-rc7-syzkaller-00220-gffb4d94b4314 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:unregister_netdevice_many+0x1451/0x1980 net/core/dev.c:10886 Code: 0b e9 90 f0 ff ff e8 7e 39 25 fa be 04 00 00 00 4c 89 f7 e8 01 96 a7 fc e9 20 fb ff ff 48 89 ef e9 f3 f8 ff ff e8 5f 39 25 fa <0f> 0b e9 ce f9 ff ff e8 53 39 25 fa 0f b6 1d 49 43 73 06 31 ff 89 RSP: 0018:ffffc90003667268 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880696000b0 RCX: ffffc90005971000 RDX: 0000000000040000 RSI: ffffffff8755fdc1 RDI: 0000000000000005 RBP: ffff88802425b100 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802425b100 R14: ffff888069600000 R15: dffffc0000000000 FS: 00007fa28fffe700(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020548000 CR3: 0000000065135000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rtnl_delete_link net/core/rtnetlink.c:3122 [inline] rtnl_dellink+0x35b/0xaa0 net/core/rtnetlink.c:3173 rtnetlink_rcv_msg+0x43a/0xca0 net/core/rtnetlink.c:6090 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 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+0x63/0xcd RIP: 0033:0x7fa29108a5a9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa28fffe168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa2911abf80 RCX: 00007fa29108a5a9 RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 RBP: 00007fa2910e5580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe713aaa0f R14: 00007fa28fffe300 R15: 0000000000022000