Bug#637031: libass4: Crash with freetype 2.4.6

Igor Urazov z0rc3r at gmail.com
Sun Aug 7 22:26:49 UTC 2011


Package: libass4
Version: 0.9.13-1
Severity: grave
Tags: sid
Justification: renders package unusable

Hello,

Current libass version crashes freetype 2.4.6 when tries to render ASS
subtitles in mplayer or mplayer2. Here is backtrace (sorry, no dbg symbols
right now):
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff563cfec in ?? () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6
(gdb) bt full
#0  0x00007ffff563cfec in ?? () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6
No symbol table info available.
#1  0x00007ffff563f51e in FT_Stroker_EndSubPath () from /usr/lib/x86_64-linux-
gnu/libfreetype.so.6
No symbol table info available.
#2  0x00007ffff563fa49 in FT_Stroker_ParseOutline () from /usr/lib/x86_64
-linux-gnu/libfreetype.so.6
No symbol table info available.
#3  0x000000000060631c in ?? ()
No symbol table info available.
#4  0x0000000000608a93 in ass_render_frame ()
No symbol table info available.
#5  0x00000000005d280c in ?? ()
No symbol table info available.
#6  0x000000000051b2da in filter_video ()
No symbol table info available.
#7  0x00000000004a738f in main ()
No symbol table info available.

Here is more detailed bug report with the same problem:
https://bugs.archlinux.org/task/25332
Also please check
https://code.google.com/p/libass/source/detail?r=0b709a5df697b36a24e4456b24585ec8f0c54b63
I'm not sure if those changes are included in current build.



-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.0.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages libass4 depends on:
ii  libc6                         2.13-14    Embedded GNU C Library: Shared lib
ii  libenca0                      1.13-4     Extremely Naive Charset Analyser -
ii  libfontconfig1                2.8.0-3    generic font configuration library
ii  libfreetype6                  2.4.6-1    FreeType 2 font engine, shared lib

libass4 recommends no packages.

libass4 suggests no packages.

-- no debconf information





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