2023-03-07 13:09 GMT+09:00, Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>:
> On (23/03/05 21:34), Namjae Jeon wrote:
>> +++ b/fs/ksmbd/smb2pdu.c
>> @@ -7457,6 +7457,11 @@ static int fsctl_query_allocated_ranges(struct
>> ksmbd_work *work, u64 id,
>> start = le64_to_cpu(qar_req->file_offset);
>> length = le64_to_cpu(qar_req->length);
>>
>> + if (start < 0 || length < 0) {
>> + ksmbd_fd_put(work, fp);
>> + return -EINVAL;
>> + }
>
> Can we do sanity checking before we ksmbd_lookup_fd_fast()?
We can:), will update it on v2.
Thanks!
>
