https://bugs.kde.org/show_bug.cgi?id=339811 Bug ID: 339811
Summary: Crash occurring when browsing my images, resolved
issue to thumbnailcreator.cpp
KExiv2Iface::KExiv2Previews trying to access
non-present preview
Product: digikam
Version: 4.3.0
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: Thumbnails
Assignee:
[hidden email]
Reporter:
[hidden email]
I recently was browsing my images, and came across a folder where suddenly
digikam crashed.
After running digikam through kdbg, I resolved that the problem was that a
preview image was being attempted to be retrieved when one didn't exist!
Unfortunately, KExiv2Iface::KExiv2Previews doesn't throw an exception when the
index passed to the call to image() exceeds the number of previews present.
in the following file:
digikam-4.3.0/core/libs/threadimageio/thumbnailcreator.cpp
--- ./digikam-4.3.0/core/libs/threadimageio/thumbnailcreator.cpp
2014-09-11 23:38:57.000000000 +0930
+++ /tmp/digikam-4.3.0--core-libs-threadimageio-thumbnailcreator.cpp
2014-10-09 21:41:18.346518663 +1030
@@ -525,7 +525,9 @@
kDebug() << "Trying to load Embedded preview with Exiv2";
KExiv2Iface::KExiv2Previews preview(path);
- qimage = preview.image();
+ if (preview.count() > 0) {
+ qimage = preview.image();
+ }
}
Before this change, browsing the specific folder crashed digikam everytime.
After the above change, I haven't had it crash..
Reproducible: Always
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