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netlink: 'syz.0.17': attribute type 2 has an invalid length.
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kernel BUG at net/phonet/socket.c:213!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4496 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : pn_socket_autobind net/phonet/socket.c:213 [inline]
pc : pn_socket_sendmsg+0x210/0x214 net/phonet/socket.c:422
lr : pn_socket_autobind net/phonet/socket.c:213 [inline]
lr : pn_socket_sendmsg+0x210/0x214 net/phonet/socket.c:422
sp : ffff8000214e7a40
x29: ffff8000214e7aa0 x28: ffff70000429cf64 x27: 1fffe0001cadd303
x26: dfff800000000000 x25: ffff70000429cf48 x24: ffff8000214e7a60
x23: ffff0000e56e9818 x22: 0000000000000000 x21: ffff0000cd158000
x20: ffff8000214e7be0 x19: 0000000000000020 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082d92bc x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe00019a2b013 x12: 0000000000ff0100
x11: ff00800010f16a70 x10: 0000000000000000 x9 : ffff800010f16a70
x8 : ffff0000da9b0000 x7 : ffff80000fd55fa0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff8000214e7860 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 pn_socket_autobind net/phonet/socket.c:213 [inline]
 pn_socket_sendmsg+0x210/0x214 net/phonet/socket.c:422
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x324/0x440 net/socket.c:2152
 __do_sys_sendto net/socket.c:2164 [inline]
 __se_sys_sendto net/socket.c:2160 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2160
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: aa1603e0 97c37ac7 17ffffc1 97c37a4e (d4210000) 
---[ end trace 0000000000000000 ]---