netlink: 'syz.1.2': 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: 4263 Comm: syz.1.2 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_sendmsg+0x223/0x230 net/phonet/socket.c:422
Code: 41 5f 5d c3 e8 3e ff b0 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 47 7a b2 f8 e9 02 ff ff ff e8 8d 5b 6d f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffffc9000324f9c0 EFLAGS: 00010287
RAX: ffffffff890bda83 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003d03000 RSI: 0000000000000076 RDI: 0000000000000077
RBP: ffffc9000324fa70 R08: ffff888074d286cb R09: 1ffff1100e9a50d9
R10: dffffc0000000000 R11: ffffed100e9a50da R12: dffffc0000000000
R13: ffff888060529800 R14: ffff888074d28640 R15: 1ffff92000649f3c
FS:  00007fbc8ae9e6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32824008 CR3: 00000000600ec000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sock_sendmsg_nosec net/socket.c:706 [inline]
 __sock_sendmsg net/socket.c:718 [inline]
 ____sys_sendmsg+0x5b7/0x8f0 net/socket.c:2445
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2499
 __sys_sendmsg net/socket.c:2528 [inline]
 __do_sys_sendmsg net/socket.c:2537 [inline]
 __se_sys_sendmsg+0x1af/0x290 net/socket.c:2535
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fbc8cc44e59
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:00007fbc8ae9e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fbc8cebdfa0 RCX: 00007fbc8cc44e59
RDX: 0000000004004081 RSI: 00002000000002c0 RDI: 0000000000000008
RBP: 00007fbc8ccdad6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbc8cebe038 R14: 00007fbc8cebdfa0 R15: 00007fffb6655c18
 </TASK>
Modules linked in:
---[ end trace c7e5f0c5169b242f ]---
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_sendmsg+0x223/0x230 net/phonet/socket.c:422
Code: 41 5f 5d c3 e8 3e ff b0 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 47 7a b2 f8 e9 02 ff ff ff e8 8d 5b 6d f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffffc9000324f9c0 EFLAGS: 00010287
RAX: ffffffff890bda83 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003d03000 RSI: 0000000000000076 RDI: 0000000000000077
RBP: ffffc9000324fa70 R08: ffff888074d286cb R09: 1ffff1100e9a50d9
R10: dffffc0000000000 R11: ffffed100e9a50da R12: dffffc0000000000
R13: ffff888060529800 R14: ffff888074d28640 R15: 1ffff92000649f3c
FS:  00007fbc8ae9e6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3ddf43 CR3: 00000000600ec000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400