[Digikam-devel] [digikam] [Bug 365202] External MySQL database faces update segfault

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=365202

--- Comment #15 from caulier.gilles at gmail.com ---
Sound like the source of the problem :

==16753== Conditional jump or move depends on uninitialised value(s)
==16753==    at 0x973DFAA: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x9744026: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0xC22C56C: cv::parallel_for_(cv::Range const&,
cv::ParallelLoopBody const&, double) (in /usr/lib/libopencv_core.so.3.1.0)
==16753==    by 0x9745AE0: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x9750104: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x973AE2D: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x974EF74:
cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&,
std::vector<cv::Rect_<int>, std::allocator<cv::Rect_<int> > >&, double, int,
int, cv::Size_<int>, cv::Size_<int>) (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x5000F2D:
FacesEngine::OpenCVFaceDetector::cascadeResult(cv::Mat const&,
FacesEngine::Cascade&, FacesEngine::DetectObjectParameters const&) const
(opencvfacedetector.cpp:469)
==16753==    by 0x5001F5A: FacesEngine::OpenCVFaceDetector::verifyFace(cv::Mat
const&, QRect const&) const (opencvfacedetector.cpp:536)
==16753==    by 0x500360C: FacesEngine::OpenCVFaceDetector::detectFaces(cv::Mat
const&, cv::Size_<int> const&) (opencvfacedetector.cpp:767)
==16753==    by 0x5019A31: FacesEngine::FaceDetector::detectFaces(QImage
const&, QSize const&) (facedetector.cpp:160)
==16753==    by 0x5324A5A:
Digikam::DetectionWorker::process(QExplicitlySharedDataPointer<Digikam::FacePipelineExtendedPackage>)
(facepipeline.cpp:483)
==16753==  Uninitialised value was created by a heap allocation
==16753==    at 0x4C2ABD0: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16753==    by 0xC079B21: cv::fastMalloc(unsigned long) (in
/usr/lib/libopencv_core.so.3.1.0)
==16753==    by 0xC1CD3D0: cv::Mat::create(int, int const*, int) (in
/usr/lib/libopencv_core.so.3.1.0)
==16753==    by 0x974BB2E: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x9745609: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x9750104: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x973AE2D: ??? (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x974EF74:
cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&,
std::vector<cv::Rect_<int>, std::allocator<cv::Rect_<int> > >&, double, int,
int, cv::Size_<int>, cv::Size_<int>) (in /usr/lib/libopencv_objdetect.so.3.1.0)
==16753==    by 0x5000F2D:
FacesEngine::OpenCVFaceDetector::cascadeResult(cv::Mat const&,
FacesEngine::Cascade&, FacesEngine::DetectObjectParameters const&) const
(opencvfacedetector.cpp:469)
==16753==    by 0x5001F5A: FacesEngine::OpenCVFaceDetector::verifyFace(cv::Mat
const&, QRect const&) const (opencvfacedetector.cpp:536)
==16753==    by 0x500360C: FacesEngine::OpenCVFaceDetector::detectFaces(cv::Mat
const&, cv::Size_<int> const&) (opencvfacedetector.cpp:767)
==16753==    by 0x5019A31: FacesEngine::FaceDetector::detectFaces(QImage
const&, QSize const&) (facedetector.cpp:160)

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