[Libguestfs] [nbdkit] leak? (#1)

[Richard W.M. Jones]

On Thu, May 29, 2014 at 10:39:49AM -0700, knokknok wrote:
> Not clear to me if the following malloc is freed within lzma or if this is a leak...
> https://github.com/libguestfs/nbdkit/blob/master/plugins/xz/xzfile.c#L454

Sorry for the late reply - we don't use github for problem tracking so
no one was looking at this.

In this function (xzfile_read_block) the 'data' pointer is returned to
the caller, who must free it.  The calling code is a bit complicated
because it puts the 'data' pointer into a cache, where it will be
freed when the cache is deleted or the block in the cache expires.  So
I believe this is safe, but if you think otherwise, then let us know
on the mailing list (libguestfs at redhat.com).

Rich.

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