netlink: 'syz.5.2979': attribute type 2 has an invalid length.
------------[ cut here ]------------
kernel BUG at net/phonet/socket.c:213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19792 Comm: syz.5.2979 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_connect+0xb99/0xba0 net/phonet/socket.c:227
Code: 48 8b 7c 24 10 e9 68 fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 17 fd ff ff 4c 89 e7 e8 e1 6c 22 f8 e9 0a fd ff ff e8 17 2d ca f7 <0f> 0b 0f 1f 44 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffffc90004f2fc40 EFLAGS: 00010287
RAX: ffffffff89bcfe79 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cba9000 RSI: 000000000000003b RDI: 000000000000003c
RBP: ffffc90004f2fdb0 R08: ffffffff8e8b666f R09: 1ffffffff1d16ccd
R10: dffffc0000000000 R11: fffffbfff1d16cce R12: ffff88805ee23618
R13: 1ffff920009e5f98 R14: dffffc0000000000 R15: 1ffff1100bdc46c3
FS:  00007fa871cbd6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000353000 CR3: 000000006039f000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __sys_connect_file net/socket.c:2056 [inline]
 __sys_connect+0x3da/0x470 net/socket.c:2073
 __do_sys_connect net/socket.c:2083 [inline]
 __se_sys_connect net/socket.c:2080 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2080
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa870d9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa871cbd028 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007fa871015fa0 RCX: 00007fa870d9ce59
RDX: 000000000000006e RSI: 0000200000000280 RDI: 0000000000000006
RBP: 00007fa870e32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa871016038 R14: 00007fa871015fa0 R15: 00007ffe946f1a28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_connect+0xb99/0xba0 net/phonet/socket.c:227
Code: 48 8b 7c 24 10 e9 68 fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 17 fd ff ff 4c 89 e7 e8 e1 6c 22 f8 e9 0a fd ff ff e8 17 2d ca f7 <0f> 0b 0f 1f 44 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41
RSP: 0018:ffffc90004f2fc40 EFLAGS: 00010287
RAX: ffffffff89bcfe79 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cba9000 RSI: 000000000000003b RDI: 000000000000003c
RBP: ffffc90004f2fdb0 R08: ffffffff8e8b666f R09: 1ffffffff1d16ccd
R10: dffffc0000000000 R11: fffffbfff1d16cce R12: ffff88805ee23618
R13: 1ffff920009e5f98 R14: dffffc0000000000 R15: 1ffff1100bdc46c3
FS:  00007fa871cbd6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2a4e1f5ff8 CR3: 000000006039f000 CR4: 00000000003506e0