Re: [PATCH] Don't call fstat() on stdin in index-pack.

> Bart Trojanowski wrote:
> >  	/* If input_fd is a file, we should have reached its end now. */
> > -	if (fstat(input_fd, &st))
> > -		die("cannot fstat packfile: %s", strerror(errno));
> > -	if (S_ISREG(st.st_mode) && st.st_size != consumed_bytes)
> > -		die("pack has junk at the end");
> > +        if (input_fd) {
> > +                if (fstat(input_fd, &st))
> > +                        die("cannot fstat packfile: %s", strerror(errno));
> > +                if (S_ISREG(st.st_mode) && st.st_size != consumed_bytes)
> > +                        die("pack has junk at the end");
> > +        }
>
> This is clearly the wrong fix.  input_fd being 0 doesn't mean that
> it is *not* a regular file.  Only doing a fstat can tell.  You are
> simply hiding your real issue there, which is that you can't fstat
> on a pipe or whatever input_fd is.
>
> The problem here is that your 64bit kernel can't fit the data into
> your struct stat provided by your 32bit libc.  Not a problem of git.
> However, it would be interesting to know what exactly produces the
> EOVERFLOW.