Package: libimlib2
Version: 1.2.1-2
Severity: normal
Tags: patch
*** Please type your report below this line ***
Attempting to save an image that has alpha causes a segfault. The
problem is the misuse of TIFFSetField() in
src/modules/loaders/loader_tiff.c:save().
To reproduce: Open a TIFF image with semitransparent pixels in
feh. Press s. feh crashes.
--- loader_tiff.c 2004-12-14 05:50:46.000000000 +0200
+++ loader_tiff-savealpha.c 2006-08-03 00:06:28.742378356 +0300
@@ -387,8 +387,9 @@
if (has_alpha)
{
+ uint16 extras[] = { EXTRASAMPLE_ASSOCALPHA };
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 4);
- TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, EXTRASAMPLE_ASSOCALPHA);
+ TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, 1, extras);
}
else
{
-- System Information:
Debian Release: testing/unstable
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.16-2-amd64-k8-smp
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1) (ignored: LC_ALL set to
en_US)
Versions of packages libimlib2 depends on:
ii libbz2-1.0 1.0.3-3 high-quality block-sorting file co
ii libc6 2.3.6-15 GNU C Library: Shared libraries
ii libfreetype6 2.2.1-2 FreeType 2 font engine, shared lib
ii libjpeg62 6b-13 The Independent JPEG Group's JPEG
ii libpng12-0 1.2.8rel-5.1 PNG library - runtime
ii libtiff4 3.8.2-5 Tag Image File Format (TIFF) libra
ii libungif4g 4.1.4-2 shared library for GIF images (run
ii libx11-6 2:1.0.0-7 X11 client-side library
ii libxext6 1:1.0.0-4 X11 miscellaneous extension librar
ii zlib1g 1:1.2.3-13 compression library - runtime
libimlib2 recommends no packages.
-- no debconf information
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