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workaround for bug #357809: avoid crashing when invalid offsets are read 

2006-10-11  Raphael Quinet  <raphael@gimp.org>

	* app/xcf/xcf-load.c (xcf_load_tile_rle): workaround for bug
	#357809: avoid crashing when invalid offsets are read for a
	compressed tile in the XCF file.
This commit is contained in:
Raphael Quinet 2006-10-11 09:19:12 +00:00 committed by Raphaël Quinet
parent 09eb46429d
commit e6615a2bf7
2 changed files with 15 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-10-11 Raphaël Quinet <raphael@gimp.org>
* app/xcf/xcf-load.c (xcf_load_tile_rle): workaround for bug
#357809: avoid crashing when invalid offsets are read for a
compressed tile in the XCF file.
2006-10-11 Sven Neumann <sven@gimp.org>
* modules/Makefile.am: build the color-managed CMYK color selector

9
app/xcf/xcf-load.c
View File

@ -1365,6 +1365,15 @@ xcf_load_tile_rle (XcfInfo *info,
gint nmemb_read_successfully;
guchar *xcfdata, *xcfodata, *xcfdatalimit;
/* Workaround for bug #357809: avoid crashing on g_malloc() and skip
* this tile (return TRUE without storing data) as if it did not
* contain any data. It is better than returning FALSE, which would
* skip the whole hierarchy while there may still be some valid
* tiles in the file.
*/
if (data_length <= 0)
return TRUE;
data = tile_data_pointer (tile, 0, 0);
bpp = tile_bpp (tile);