2010.08.23 13:42 "Re: [Tiff] memory error", by Edward Lam

On 8/22/2010 9:26 AM, Rajat Varma wrote:

==25472== Invalid read of size 4

==25472==    at 0x404CCEB: TIFFFindFieldInfo (tif_dirinfo.c:753)
==25472==    by 0x404A843: TIFFVGetField (tif_dir.c:971)
==25472==    by 0x404B33A: TIFFGetField (tif_dir.c:957)
==25472==    by 0x8048B3D: main (in

/home/rajat/Desktop/spots_program/spotsprogram) ==25472== Address 0x284 is not stack'd, malloc'd or (recently) free'd

Could anyone have an insight as to what kind of problems in the code could give rise to such errors?

My knee jerk reaction is that you're giving TIFFGetField() invalid return memory. Make sure you're giving it pointers to the right types/sizes according to your field:

http://libtiff.maptools.org/man/TIFFGetField.3tiff.html

Regards,

-Edward