SIGSEGV - lt-convert - IM6 SVN - 8c6dd81b

[JodieC]

Source file:
https://www.dropbox.com/s/dgxy397qg9765ot/8c6dd81b?dl=0

To reproduce:

Code: Select all

convert $filename png:/dev/null

Output:
Aborted

BT:

Code: Select all

Core was generated by `/home/jodicun/opt/ImageMagick-2014-12-19/utilities/.libs/lt-convert -limit memo'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  SyncImage._omp_fn.4 () at magick/image.c:3473
3473            SetPixelRgb(q,image->colormap+(ssize_t) index)
#0  SyncImage._omp_fn.4 () at magick/image.c:3473
#1  0x00007ffff61d034a in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007ffff721f182 in start_thread (arg=0x7ffff54bb700) at pthread_create.c:312
#3  0x00007ffff6f4befd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
exe = '/home/jodicun/opt/ImageMagick-2014-12-19/utilities/.libs/lt-convert -limit memo'

System Details:
AMD64
Distributor ID: Ubuntu
Description: Ubuntu 14.04.1 LTS
Release: 14.04
Codename: trusty

ImageMagick 6 compiled from SVN checkout 20150106.

Found with American Fuzzy Lop ( http://lcamtuf.coredump.cx/afl/ )

[magick]

We can reproduce the problem you posted and have a patch in ImageMagick 6.9.0-4 Beta available by sometime tomorrow. Thanks.