------------[ cut here ]------------
kernel BUG at net/phonet/socket.c:213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5970 Comm: syz.1.41 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_sendmsg+0x235/0x240 net/phonet/socket.c:422
Code: 41 5f 5d c3 e8 bc dd ca 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 55 05 1e f8 e9 02 ff ff ff e8 3b 88 c5 f7 <0f> 0b 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41
RSP: 0018:ffffc900050c7c20 EFLAGS: 00010287
RAX: ffffffff89c1e6e5 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000c819000 RSI: 0000000000000a17 RDI: 0000000000000a18
RBP: ffffc900050c7cd0 R08: ffffffff8e8c7caf R09: 1ffffffff1d18f95
R10: dffffc0000000000 R11: fffffbfff1d18f96 R12: dffffc0000000000
R13: ffff88805ed65a00 R14: ffff88805d9a8000 R15: 1ffff92000a18f88
FS:  00007f3fc8b3a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feafb6244e8 CR3: 000000002d53d000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x4a9/0x6b0 net/socket.c:2201
 __do_sys_sendto net/socket.c:2213 [inline]
 __se_sys_sendto net/socket.c:2209 [inline]
 __x64_sys_sendto+0xde/0xf0 net/socket.c:2209
 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: 0033:0x7f3fc7b5e84e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f3fc8b38e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f3fc8b3a6c0 RCX: 00007f3fc7b5e84e
RDX: 0000000000000020 RSI: 00007f3fc8b39000 RDI: 0000000000000009
RBP: 0000000000000000 R08: 00007f3fc8b38f04 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
R13: 00007f3fc8b38f58 R14: 00007f3fc8b39000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_sendmsg+0x235/0x240 net/phonet/socket.c:422
Code: 41 5f 5d c3 e8 bc dd ca 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 55 05 1e f8 e9 02 ff ff ff e8 3b 88 c5 f7 <0f> 0b 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 57 41
RSP: 0018:ffffc900050c7c20 EFLAGS: 00010287
RAX: ffffffff89c1e6e5 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000c819000 RSI: 0000000000000a17 RDI: 0000000000000a18
RBP: ffffc900050c7cd0 R08: ffffffff8e8c7caf R09: 1ffffffff1d18f95
R10: dffffc0000000000 R11: fffffbfff1d18f96 R12: dffffc0000000000
R13: ffff88805ed65a00 R14: ffff88805d9a8000 R15: 1ffff92000a18f88
FS:  00007f3fc8b3a6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4a81beb700 CR3: 000000002d53d000 CR4: 00000000003506f0