------------[ cut here ]------------
kernel BUG at net/phonet/socket.c:213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 31100 Comm: syz-executor.5 Not tainted 5.7.0-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 44 89 e0 48 8b 4c 24 58 65 48 33 0c 25 28 00 00 00 75 23 48 83 c4 60 5b 5d 41 5c 41 5d c3 e8 34 6f 32 fa <0f> 0b e8 5d 37 71 fa eb 9f e8 76 37 71 fa e9 6d ff ff ff e8 ac 6f
RSP: 0018:ffffc90001b07978 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90013b64000
RDX: 0000000000000129 RSI: ffffffff874122bc RDI: 0000000000000003
RBP: 1ffff92000360f2f R08: ffff88808f8be5c0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888091209880 R15: ffff8880564bba80
FS:  00007f2f5b38b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b90004 CR3: 00000000580a8000 CR4: 00000000001406e0
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:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 sock_write_iter+0x288/0x3c0 net/socket.c:999
 call_write_iter include/linux/fs.h:1917 [inline]
 do_iter_readv_writev+0x51e/0x790 fs/read_write.c:694
 do_iter_write fs/read_write.c:999 [inline]
 do_iter_write+0x18b/0x600 fs/read_write.c:980
 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1072
 do_writev+0x27f/0x300 fs/read_write.c:1115
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45ca69
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2f5b38ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 000000000050d680 RCX: 000000000045ca69
RDX: 0000000000000008 RSI: 0000000020000680 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000d20 R14: 00000000004cb4a9 R15: 00007f2f5b38b6d4
Modules linked in:
---[ end trace 64c842473025a8c6 ]---
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 44 89 e0 48 8b 4c 24 58 65 48 33 0c 25 28 00 00 00 75 23 48 83 c4 60 5b 5d 41 5c 41 5d c3 e8 34 6f 32 fa <0f> 0b e8 5d 37 71 fa eb 9f e8 76 37 71 fa e9 6d ff ff ff e8 ac 6f
RSP: 0018:ffffc90001b07978 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90013b64000
RDX: 0000000000000129 RSI: ffffffff874122bc RDI: 0000000000000003
RBP: 1ffff92000360f2f R08: ffff88808f8be5c0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888091209880 R15: ffff8880564bba80
FS:  00007f2f5b38b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd0e3e5fd8 CR3: 00000000580a8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400