[Geotiff] Problem detected in libgeotiff version 1.4.0

[Frank Warmerdam]

Jorge,

I'm not aware of any problem with libtiff or libgeotiff likely to be
responsible for this.  It looks to be related to:

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=456303

Best regards,
Frank

On Wed, Oct 31, 2012 at 9:57 AM, Jorge Martin <jormarfe at gmail.com> wrote:

> Hello,
>
>
>       We have recently compiled and installed libtiff-4.0.0 and libgeotiff-1.4.0.
> Performing the regression tests of our tool, we have detected the
> following problem using valgrind:
>
> ==32409== Invalid free() / delete / delete[] / realloc()
> ==32409==    at 0x4A0730F: free (vg_replace_malloc.c:427)
> ==32409==    by 0x3F55F03FAA: free_mem (in /lib64/libc-2.5.so)
> ==32409==    by 0x3F55F03BC1: __libc_freeres (in /lib64/libc-2.5.so)
> ==32409==    by 0x4803606: _vgnU_freeres (vg_preloaded.c:61)
> ==32409==    by 0x3F55E32E64: exit (in /lib64/libc-2.5.so)
> ==32409==    by 0x3F55E1D8AA: (below main) (in /lib64/libc-2.5.so)
> ==32409==  Address 0x4e5f330 is not stack'd, malloc'd or (recently) free'd
>
> Before the installation of the new libraries we had libtiff-3.8.2 and
> libgeotiff-1.2.4, and this problem did not appear.
>
> We have generated a simple source code that only links to both libraries
> (this main does not use any function of libtiff o libgeotiff) and the
> problem did not disappears(we have done this test to avoid problems with
> our code).
>
> If we change this simple source code and only links to libtiff the
> problem detected by valgrind disappears. So the problem is related to the
> libgeotiff library. We think that the problem could be related to any
> static variable or global variable that is wrongly removed.
>
> I do not know if there is a incompatibility between this versions of
> libtiff and libgeotiff.
>
>
> Best Regards,
>
>
> Jorge
>
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>



-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam,
warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Software Developer
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