validate_nla: 48 callbacks suppressed netlink: 'syz.4.528': attribute type 2 has an invalid length. ------------[ cut here ]------------ kernel BUG at net/phonet/socket.c:213! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5993 Comm: syz.4.528 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_connect+0x900/0x904 net/phonet/socket.c:227 lr : pn_socket_autobind net/phonet/socket.c:213 [inline] lr : pn_socket_connect+0x900/0x904 net/phonet/socket.c:227 sp : ffff800021337a60 x29: ffff800021337b80 x28: ffff700004266f58 x27: 1fffe0001c15fe43 x26: 00000000ffffffea x25: ffff800021337c20 x24: 000000000000006e x23: 0000000000000000 x22: 7fffffffffffffff x21: ffff0000f4ad92c0 x20: ffff0000e0aff200 x19: dfff800000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d9e48 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe0001e95b26b x12: 0000000000080000 x11: 00000000000002c4 x10: ffff80002b746000 x9 : ffff800010f2c2fc x8 : 00000000000002c5 x7 : ffff80000fd66a4c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff800021337880 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: pn_socket_autobind net/phonet/socket.c:213 [inline] pn_socket_connect+0x900/0x904 net/phonet/socket.c:227 __sys_connect_file net/socket.c:2010 [inline] __sys_connect+0x28c/0x2b4 net/socket.c:2027 __do_sys_connect net/socket.c:2037 [inline] __se_sys_connect net/socket.c:2034 [inline] __arm64_sys_connect+0x7c/0x94 net/socket.c:2034 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 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 97c30b65 17ffff7a 97c30aea (d4210000) ---[ end trace 0000000000000000 ]---