syzbot

netlink: 12 bytes leftover after parsing attributes in process `syz.1.93'.
nbd: illegal input index 65544
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4762 at kernel/workqueue.c:1441 __queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Modules linked in:
CPU: 0 PID: 4762 Comm: syz.1.93 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__queue_work+0xe2d/0xfb0 kernel/workqueue.c:1441
Code: e9 9d fc ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c c7 fc ff ff 48 8b 3c 24 e8 dd d2 7d 00 e9 b9 fc ff ff e8 93 a1 2d 00 <0f> 0b 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 7d a1 2d 00
RSP: 0018:ffffc90005eb75c8 EFLAGS: 00010083
RAX: ffffffff81533e3d RBX: 0000000000010000 RCX: 0000000000080000
RDX: ffffc9000ccd9000 RSI: 0000000000002cfc RDI: 0000000000002cfd
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1005f391b5
R10: ffffed1005f391b5 R11: 1ffff11005f391b4 R12: ffff888079194000
R13: ffff8880791941c0 R14: 0000000000000008 R15: ffff88802b1e2c01
FS:  00007f81d0a716c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555695e35148 CR3: 0000000075a39000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x11d/0x1d0 kernel/workqueue.c:1548
 l2cap_chan_send+0x39f/0x25b0 net/bluetooth/l2cap_core.c:-1
 l2cap_sock_sendmsg+0x1aa/0x2b0 net/bluetooth/l2cap_sock.c:1162
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x59b/0x970 net/socket.c:2519
 ___sys_sendmsg+0x21c/0x290 net/socket.c:2573
 __sys_sendmmsg+0x272/0x490 net/socket.c:2659
 __do_sys_sendmmsg net/socket.c:2688 [inline]
 __se_sys_sendmmsg net/socket.c:2685 [inline]
 __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f81cfb8f749
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f81d0a71038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f81cfde5fa0 RCX: 00007f81cfb8f749
RDX: 00000000ffffff80 RSI: 0000200000004100 RDI: 0000000000000006
RBP: 00007f81cfc13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f81cfde6038 R14: 00007f81cfde5fa0 R15: 00007fff43cb65b8
 </TASK>