------------[ cut here ]------------
kernel BUG at net/phonet/socket.c:213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 31053 Comm: syz-executor.3 Not tainted 5.9.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_autobind+0x13c/0x160 net/phonet/socket.c:202
Code: 44 05 00 00 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 26 48 83 c4 60 44 89 e0 5b 5d 41 5c 41 5d c3 e8 a4 08 18 fa <0f> 0b e8 ed 6a 58 fa eb 9f e8 06 6b 58 fa e9 6d ff ff ff e8 9c 20
RSP: 0018:ffffc9000ac67b38 EFLAGS: 00010212
RAX: 00000000000000c8 RBX: 0000000000000000 RCX: ffffc9000ef8a000
RDX: 0000000000040000 RSI: ffffffff875c6bac RDI: 0000000000000003
RBP: 1ffff9200158cf67 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880a10cae00 R15: ffff88804db91540
FS:  00007faac151e700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1a1cbdbdb8 CR3: 00000000a92d0000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 pn_socket_sendmsg+0x40/0xd0 net/phonet/socket.c:423
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:671
 sock_write_iter+0x28c/0x3c0 net/socket.c:998
 call_write_iter include/linux/fs.h:1882 [inline]
 new_sync_write+0x422/0x650 fs/read_write.c:503
 vfs_write+0x5ad/0x730 fs/read_write.c:578
 ksys_write+0x1ee/0x250 fs/read_write.c:631
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007faac151dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000038bc0 RCX: 000000000045d5b9
RDX: 00000000000000de RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffd4d91976f R14: 00007faac151e9c0 R15: 000000000118cf4c
Modules linked in:
---[ end trace 1ab619e6b11a2e94 ]---
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_autobind+0x13c/0x160 net/phonet/socket.c:202
Code: 44 05 00 00 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 26 48 83 c4 60 44 89 e0 5b 5d 41 5c 41 5d c3 e8 a4 08 18 fa <0f> 0b e8 ed 6a 58 fa eb 9f e8 06 6b 58 fa e9 6d ff ff ff e8 9c 20
RSP: 0018:ffffc9000ac67b38 EFLAGS: 00010212
RAX: 00000000000000c8 RBX: 0000000000000000 RCX: ffffc9000ef8a000
RDX: 0000000000040000 RSI: ffffffff875c6bac RDI: 0000000000000003
RBP: 1ffff9200158cf67 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880a10cae00 R15: ffff88804db91540
FS:  00007faac151e700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001590004 CR3: 00000000a92d0000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400