bond0 (unregistering): (slave bond_slave_0): Releasing backup interface device bond_slave_0 left promiscuous mode bond0 (unregistering): (slave bond_slave_1): Releasing backup interface device bond_slave_1 left promiscuous mode bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6103 at net/core/dev.c:9506 rollback_registered_many+0x1097/0x14c0 net/core/dev.c:9506 Modules linked in: CPU: 1 PID: 6103 Comm: syz-executor.1 Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rollback_registered_many+0x1097/0x14c0 net/core/dev.c:9506 Code: e9 43 8a 48 c7 c7 a0 e9 43 8a c6 05 85 56 f8 05 01 e8 51 b1 c1 01 0f 0b e9 0a f4 ff ff 48 89 dd e9 55 fb ff ff e8 69 bc 7b fa <0f> 0b e9 29 fc ff ff e8 5d bc 7b fa 0f b6 1d 52 56 f8 05 31 ff 89 RSP: 0018:ffffc900032d7290 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88801bd7c0b8 RCX: ffffc9000aef9000 RDX: 0000000000040000 RSI: ffffffff86f70d57 RDI: 0000000000000003 RBP: ffff88801382a900 R08: 0000000000000000 R09: ffffffff8ca58967 R10: ffffffff86f70951 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88801bd7c000 R14: dffffc0000000000 R15: ffff88801382a900 FS: 00007f0ffc225700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff3e1dec27 CR3: 000000002632e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unregister_netdevice_many.part.0+0x1a/0x2f0 net/core/dev.c:10717 unregister_netdevice_many+0x36/0x50 net/core/dev.c:10716 rtnl_delete_link net/core/rtnetlink.c:3057 [inline] rtnl_dellink+0x34a/0xa60 net/core/rtnetlink.c:3109 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5553 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0ffc224c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000000000810 RSI: 00000000200002c0 RDI: 0000000000000007 RBP: 000000000119c068 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffc115220df R14: 00007f0ffc2259c0 R15: 000000000119c034