netlink: 'syz-executor.2': attribute type 1 has an invalid length. bond14 (uninitialized): Released all slaves netlink: 'syz-executor.4': attribute type 1 has an invalid length. netlink: 'syz-executor.3': attribute type 1 has an invalid length. bond3 (uninitialized): Released all slaves BUG: unable to handle kernel paging request at ffffffffffffffb0 PGD 9e6e067 P4D 9e6e067 PUD 9e70067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7443 Comm: syz-executor.4 Not tainted 4.19.196-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:vsscanf+0x1dd/0x24c0 lib/vsprintf.c:2932 Code: 89 e9 48 c1 ea 03 4c 89 ac 24 d8 00 00 00 83 e1 07 41 0f b6 04 24 42 0f b6 14 3a 4c 89 eb 38 ca 7f 08 84 d2 0f 85 e6 1b 00 00 <44> 0f b6 75 00 89 c7 88 44 24 08 44 89 f6 e8 90 8b 72 f9 0f b6 44 RSP: 0018:ffff88820d66ec70 EFLAGS: 00010246 RAX: 0000000000000062 RBX: ffff8882351d0181 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87eff42a RDI: 0000000000000001 RBP: ffffffffffffffb0 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8882351d0180 R13: ffff8882351d0181 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f9ddc79d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffb0 CR3: 00000002306fa000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sscanf+0xbb/0xf0 lib/vsprintf.c:3198 __dev_alloc_name net/core/dev.c:1081 [inline] dev_alloc_name_ns+0x1c4/0x440 net/core/dev.c:1115 dev_get_valid_name+0x67/0xe0 net/core/dev.c:1150 register_netdevice+0x267/0x10f0 net/core/dev.c:8646 bond_newlink drivers/net/bonding/bond_netlink.c:453 [inline] bond_newlink+0x47/0xa0 drivers/net/bonding/bond_netlink.c:443 rtnl_newlink+0x1030/0x15c0 net/core/rtnetlink.c:3141 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2457 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1911 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225 __sys_sendmsg net/socket.c:2263 [inline] __do_sys_sendmsg net/socket.c:2272 [inline] __se_sys_sendmsg net/socket.c:2270 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665d9 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:00007f9ddc79d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffd43c5308f R14: 00007f9ddc79d300 R15: 0000000000022000 Modules linked in: CR2: ffffffffffffffb0 ---[ end trace 6915ec1cf57f4073 ]--- RIP: 0010:vsscanf+0x1dd/0x24c0 lib/vsprintf.c:2932 Code: 89 e9 48 c1 ea 03 4c 89 ac 24 d8 00 00 00 83 e1 07 41 0f b6 04 24 42 0f b6 14 3a 4c 89 eb 38 ca 7f 08 84 d2 0f 85 e6 1b 00 00 <44> 0f b6 75 00 89 c7 88 44 24 08 44 89 f6 e8 90 8b 72 f9 0f b6 44 RSP: 0018:ffff88820d66ec70 EFLAGS: 00010246 RAX: 0000000000000062 RBX: ffff8882351d0181 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87eff42a RDI: 0000000000000001 RBP: ffffffffffffffb0 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8882351d0180 R13: ffff8882351d0181 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f9ddc79d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffb0 CR3: 00000002306fa000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400