netlink: 'syz.7.749': 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: 1 PID: 7456 Comm: syz.7.749 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline] RIP: 0010:pn_socket_listen+0x353/0x360 net/phonet/socket.c:398 Code: 65 f8 e9 e7 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c f6 fe ff ff 4c 89 ff e8 e7 2b 65 f8 e9 e9 fe ff ff e8 bd e6 13 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:ffffc9000c6efe00 EFLAGS: 00010283 RAX: ffffffff896e4c23 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90004f71000 RSI: 000000000000002e RDI: 000000000000002f RBP: ffffc9000c6efeb8 R08: ffff88805589809b R09: 1ffff1100ab13013 R10: dffffc0000000000 R11: ffffed100ab13014 R12: dffffc0000000000 R13: ffff888055898518 R14: 1ffff920018ddfc4 R15: ffff88807459ec00 FS: 00007f00800846c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f131980f000 CR3: 00000000564db000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sys_listen+0x19d/0x220 net/socket.c:1845 __do_sys_listen net/socket.c:1854 [inline] __se_sys_listen net/socket.c:1852 [inline] __x64_sys_listen+0x56/0x60 net/socket.c:1852 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f007f19e159 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:00007f0080084028 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 RAX: ffffffffffffffda RBX: 00007f007f425fa0 RCX: 00007f007f19e159 RDX: 0000000000000000 RSI: 000000000000027b RDI: 0000000000000006 RBP: 00007f007f23506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f007f426038 R14: 00007f007f425fa0 R15: 00007ffe98021ce8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline] RIP: 0010:pn_socket_listen+0x353/0x360 net/phonet/socket.c:398 Code: 65 f8 e9 e7 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c f6 fe ff ff 4c 89 ff e8 e7 2b 65 f8 e9 e9 fe ff ff e8 bd e6 13 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:ffffc9000c6efe00 EFLAGS: 00010283 RAX: ffffffff896e4c23 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90004f71000 RSI: 000000000000002e RDI: 000000000000002f RBP: ffffc9000c6efeb8 R08: ffff88805589809b R09: 1ffff1100ab13013 R10: dffffc0000000000 R11: ffffed100ab13014 R12: dffffc0000000000 R13: ffff888055898518 R14: 1ffff920018ddfc4 R15: ffff88807459ec00 FS: 00007f00800846c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c32b71f CR3: 00000000564db000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400