[Digikam-devel] [digikam] [Bug 320049] libkdcraw is crashing on decoding some sigma raw files

Manfred Usselmann usselmann.m at icg-online.de
Mon May 20 17:06:03 BST 2013


https://bugs.kde.org/show_bug.cgi?id=320049

--- Comment #3 from Manfred Usselmann <usselmann.m at icg-online.de> ---
(In reply to comment #2)
> 1/ We need to know which libkdcraw/libraw versions you use. do to Help
> button from DNG converter for info.

LibRaw 0.15.0-Beta1
LibKdcraw 2.2.0


> 2/ the crash is in libkdcraw, and probably in libraw, but it miss debug
> symbols to see where in code. Please install libkdcraw debug package and run
> dngconverter in gdb as it's explained here :

(gdb) run
Starting program: /usr/bin/dngconverter 
warning: no loadable sections found in added symbol-file system-supplied DSO at
0x7ffff7ffa000
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe24b2700 (LWP 29847)]
[New Thread 0x7fffe1cb1700 (LWP 29848)]
[New Thread 0x7fffd89f4700 (LWP 29849)]
[New Thread 0x7fffcffff700 (LWP 29850)]
[New Thread 0x7fffce765700 (LWP 29854)]
[Thread 0x7fffe24b2700 (LWP 29847) exited]
Corrupt JPEG data: 27 extraneous bytes before marker 0xd9
JPEG datastream contains no image
/mnt/server/manfred/restore/Image-ExifTool-5.72/t/CanonRaw.crw: Unexpected end
of file
/mnt/server/manfred/restore/Image-ExifTool-5.72/t/Sigma.x3f: Unexpected end of
file

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffce765700 (LWP 29854)]
__GI___libc_free (mem=0x7fffcc28c010) at malloc.c:2892
2892    malloc.c: Datei oder Verzeichnis nicht gefunden.
(gdb) bt
#0  __GI___libc_free (mem=0x7fffcc28c010) at malloc.c:2892
#1  0x00007ffff74414eb in ?? () from /usr/lib/libkdcraw.so.22
#2  0x00007ffff7446905 in ?? () from /usr/lib/libkdcraw.so.22
#3  0x00007ffff742bae5 in KDcrawIface::KDcraw::loadHalfPreview(QImage&, QString
const&) () from /usr/lib/libkdcraw.so.22
#4  0x00007ffff6fc703d in KIPIPlugins::KPRawThumbThread::run() () from
/usr/lib/libkipiplugins.so.3
#5  0x00007ffff602cbec in QThreadPrivate::start (arg=0xd91b90) at
thread/qthread_unix.cpp:338
#6  0x00007ffff71f6f8e in start_thread (arg=0x7fffce765700) at
pthread_create.c:311
#7  0x00007ffff45eee1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113


> 3/ We need a Sigma raw file sample to try to reproduce here. Share it
> somewhere in web.

I already did attach it to this bug.

Thanks,
Manfred

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