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Bug#354266: libqt4-gui: Error loading MNG file(s)

Package: libqt4-gui
Version: 4.1.0-3
Severity: normal

I'm not sure if this is a bug in Qt or something else.  I'm trying to
load an MNG file with QMovie calls and it results in a segfault every
time, even when using the "movie" executable included in qt's examples/
directory.  Here's some stuff from gdb:

#0  0xb74fe09f in free () from /lib/tls/libc.so.6
#1  0xb74ffc4c in malloc () from /lib/tls/libc.so.6
#2  0xb76aef85 in operator new () from /usr/lib/libstdc++.so.6
#3  0xb7bfdafc in QPixmap::init () from /usr/lib/libQtGui.so.4
#4  0xb7bfa8a8 in QPixmap::QPixmap () from /usr/lib/libQtGui.so.4
#5  0xb7bf9a34 in QMovie::supportedFormats () from /usr/lib/libQtGui.so.4
#6  0xb7bf9c36 in QMovie::supportedFormats () from /usr/lib/libQtGui.so.4
#7  0xb7bf9c69 in QMovie::supportedFormats () from /usr/lib/libQtGui.so.4
#8  0xb7bf9c69 in QMovie::supportedFormats () from /usr/lib/libQtGui.so.4

I have tried a couple of different MNG files, and they do load OK in 
an external viewer (gmngview included with libmng source).



-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.14-1-686
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)

Versions of packages libqt4-gui depends on:
ii  fontconfig           2.3.2-1             generic font configuration library
ii  libaudio2            1.7-3               The Network Audio System (NAS). (s
ii  libc6                2.3.5-6             GNU C Library: Shared libraries an
ii  libfontconfig1       2.3.2-1             generic font configuration library
ii  libfreetype6         2.1.10-1            FreeType 2 font engine, shared lib
ii  libgcc1              1:4.0.2-5           GCC support library
ii  libglu1-xorg [libglu 6.9.0.dfsg.1-4      Mesa OpenGL utility library [X.Org
ii  libice6              6.8.2.dfsg.1-7      Inter-Client Exchange library
ii  libjpeg62            6b-10               The Independent JPEG Group's JPEG 
ii  libpng12-0           1.2.8rel-4          PNG library - runtime
ii  libqt4-core          4.1.0-3             Qt 4 core non-GUI functionality ru
ii  libsm6               6.8.2.dfsg.1-7      X Window System Session Management
ii  libstdc++6           4.0.2-5             The GNU Standard C++ Library v3
ii  libx11-6             4.3.0.dfsg.1-12.0.1 X Window System protocol client li
ii  libxcursor1          1.1.3-1             X cursor management library
ii  libxext6             6.8.2.dfsg.1-7      X Window System miscellaneous exte
ii  libxi6               6.8.2.dfsg.1-7      X Window System Input extension li
ii  libxinerama1         6.8.2.dfsg.1-7      X Window System multi-head display
ii  libxrandr2           6.8.2.dfsg.1-10     X Window System Resize, Rotate and
ii  libxrender1          1:         X Rendering Extension client libra
ii  libxt6               6.8.2.dfsg.1-7      X Toolkit Intrinsics
ii  xlibmesa-gl [libgl1] 6.8.2.dfsg.1-7      Mesa 3D graphics library [X.Org]
ii  xlibs                6.8.2.dfsg.1-7      X Window System client libraries m
ii  zlib1g               1:1.2.3-4           compression library - runtime

Versions of packages libqt4-gui recommends:
pn  qt4-qtconfig                  <none>     (no description available)

-- no debconf information

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