Hi Geonmo,
I suppose that is possible if offset were not zero but len was zero as he
offset would not be set to zero in the _flush() function. However, I don't
immediately see why that would ever happen. Is that what you mean here?
Andy
On Wed, 15 Jan 2020, Geonmo Ryu wrote:
> I suspected that **XrdFfsWcache_pwrite** can corrupt **XrdFfsWcacheFbufs[fd].buf** contents due to https://github.com/xrootd/xrootd/blob/cfdc6aca0bde74f7b65000987f846512c42a87ab/src/XrdFfs/XrdFfsWcache.cc#L193 if **XrdFfsWcacheFbufs[fd].offset** is not 0.
>
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