[digikam] [Bug 379470] New: Crash when performing face detection or recognition on large collection

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=379470

            Bug ID: 379470
           Summary: Crash when performing face detection or recognition on
                    large collection
           Product: digikam
           Version: 5.5.0
          Platform: Gentoo Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Faces-Management
          Assignee: [hidden email]
          Reporter: [hidden email]
  Target Milestone: ---

When I select the button "Scan collection for faces" (doesn't matter whether I
pick the option "Detect faces" or "Detect and recognize faces"), Digikam
crashes after a while. (Same if I engage this function through the
"Tools/Maintenance..." command.)
It's a large collection and I don't think the crash is related to a particular
image.

Here's a backtrace from gdb:
Program received signal SIGBUS, Bus error.
[Switching to Thread 0x7fff52ffd700 (LWP 6303)]
QMapData<QString, QVariant>::createNode (left=false, parent=0x0, v=..., k=...,
this=0x7fff3c5ed800)
    at /usr/include/qt5/QtCore/qmap.h:224
224
(gdb) bt
#0  QMapData<QString, QVariant>::createNode (left=false, parent=0x0, v=...,
k=..., this=0x7fff3c5ed800)
    at /usr/include/qt5/QtCore/qmap.h:224
#1  QMapNode<QString, QVariant>::copy (this=0x666f53676e697373,
d=d@entry=0x7fff3c5ed800)
    at /usr/include/qt5/QtCore/qmap.h:254
#2  0x00007ffff66f56c1 in QMap<QString, QVariant>::detach_helper
(this=0xb4ddb48)
    at /usr/include/qt5/QtCore/qmap.h:993
#3  QMap<QString, QVariant>::detach (this=0xb4ddb48) at
/usr/include/qt5/QtCore/qmap.h:360
#4  QMap<QString, QVariant>::insert (this=0xb4ddb48, akey=..., avalue=...) at
/usr/include/qt5/QtCore/qmap.h:691
#5  0x00007ffff6862fd0 in Digikam::DImg::setAttribute
(this=this@entry=0xb479390, key=..., value=...)
    at
/var/tmp/portage/media-gfx/digikam-5.5.0/work/digikam-5.5.0/core/libs/dimg/dimg.cpp:1043
#6  0x00007ffff69034bf in Digikam::LoadSaveThread::exifRotate (image=...,
filePath=...)
    at
/var/tmp/portage/media-gfx/digikam-5.5.0/work/digikam-5.5.0/core/libs/threadimageio/loadsavethread.cpp:334
#7  0x00007ffff6915689 in Digikam::PreviewLoadingTask::execute (this=0xb479170)
    at
/var/tmp/portage/media-gfx/digikam-5.5.0/work/digikam-5.5.0/core/libs/threadimageio/previewtask.cpp:392
#8  0x00007ffff69031ed in Digikam::LoadSaveThread::run (this=0x3b77e50)
    at
/var/tmp/portage/media-gfx/digikam-5.5.0/work/digikam-5.5.0/core/libs/threadimageio/loadsavethread.cpp:133
#9  0x00007ffff693faae in Digikam::DynamicThread::DynamicThreadPriv::run
(this=0x3b83d30)
    at
/var/tmp/portage/media-gfx/digikam-5.5.0/work/digikam-5.5.0/core/libs/threads/dynamicthread.cpp:183
#10 0x00007ffff49fb7ad in QThreadPoolThread::run (this=0x7fff68013620) at
thread/qthreadpool.cpp:99
#11 0x00007ffff49fe90a in QThreadPrivate::start (arg=0x7fff68013620) at
thread/qthread_unix.cpp:368
#12 0x00007ffff178b5c6 in start_thread (arg=0x7fff52ffd700) at
pthread_create.c:333
#13 0x00007ffff3c598cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109


(gdb) info threads
  Id   Target Id         Frame
  3781 Thread 0x7fff53fff700 (LWP 11512) "Thread (pooled)" futex_wait
(val=35000, addr=0x7fff582cc014)
    at
/var/tmp/portage/sys-devel/gcc-5.4.0-r3/work/gcc-5.4.0/libgomp/config/linux/x86/futex.h:45
  3724 Thread 0x7fff537fe700 (LWP 11437) "Thread (pooled)" _dl_fixup
(l=0x7ffff7fb9000,
    reloc_arg=<optimized out>) at ../elf/dl-runtime.c:83
  1872 Thread 0x7fff7bae5700 (LWP 8889) "Thread (pooled)" futex_wait
(val=76832, addr=0x7fff6c03f744)
    at
/var/tmp/portage/sys-devel/gcc-5.4.0-r3/work/gcc-5.4.0/libgomp/config/linux/x86/futex.h:45
  1832 Thread 0x7fff7aae3700 (LWP 8841) "Thread (pooled)"
pthread_cond_timedwait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
  685  Thread 0x7fff49ffb700 (LWP 7294) "Thread (pooled)" futex_wait
(val=123104, addr=0x7fff740775b4)
    at
/var/tmp/portage/sys-devel/gcc-5.4.0-r3/work/gcc-5.4.0/libgomp/config/linux/x86/futex.h:45
  651  Thread 0x7fff79ae1700 (LWP 7238) "Thread (pooled)" 0x00007ffff3c5042d in
poll ()
    at ../sysdeps/unix/syscall-template.S:84
  585  Thread 0x7fff46ff5700 (LWP 7122) "Thread (pooled)" futex_wait
(val=162920, addr=0x7fff5dee0124)
    at
/var/tmp/portage/sys-devel/gcc-5.4.0-r3/work/gcc-5.4.0/libgomp/config/linux/x86/futex.h:45
  577  Thread 0x7fff7b2e4700 (LWP 7114) "Thread (pooled)" 0x00007ffff3c5042d in
poll ()
    at ../sysdeps/unix/syscall-template.S:84
  195  Thread 0x7fff792e0700 (LWP 6525) "Thread (pooled)"
    0x00007fffef2da9f7 in cv::HaarEvaluator::OptFeature::calc
(ptr=0x7fffd0c7b7d8, this=0x7fffd4192370)
    at
/var/tmp/portage/media-libs/opencv-3.1.0-r7/work/opencv-3.1.0/modules/objdetect/src/cascadedetect.hpp:403
  97   Thread 0x7fff4bfff700 (LWP 6421) "Thread (pooled)" futex_wait
(val=147760, addr=0x7fff54914b74)
    at
/var/tmp/portage/sys-devel/gcc-5.4.0-r3/work/gcc-5.4.0/libgomp/config/linux/x86/futex.h:45
  60   Thread 0x7fff7a2e2700 (LWP 6347) "Thread (pooled)" 0x00007fffef2d81e8 in
cv::HaarEvaluator::setWindow (
    this=0x7fff6805a590, pt=..., scaleIdx=5)
    at
/var/tmp/portage/media-libs/opencv-3.1.0-r7/work/opencv-3.1.0/modules/objdetect/src/cascadedetect.cpp:683
  59   Thread 0x7fff51ffb700 (LWP 6346) "Thread (pooled)"
pthread_cond_timedwait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
  55   Thread 0x7fff447f0700 (LWP 6342) "Thread (pooled)" futex_wait
(val=128320, addr=0x7fff60014314)
    at
/var/tmp/portage/sys-devel/gcc-5.4.0-r3/work/gcc-5.4.0/libgomp/config/linux/x86/futex.h:45
  47   Thread 0x7fff477f6700 (LWP 6334) "Thread (pooled)"
pthread_cond_timedwait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
  33   Thread 0x7fff48ff9700 (LWP 6314) "Thread (pooled)" 0x00007fffef2d8324 in
cv::HaarEvaluator::setWindow (
    this=0x7fffd0116910, pt=..., scaleIdx=9)
    at
/var/tmp/portage/media-libs/opencv-3.1.0-r7/work/opencv-3.1.0/modules/objdetect/src/cascadedetect.cpp:697
  25   Thread 0x7fff517fa700 (LWP 6306) "Thread (pooled)"
pthread_cond_timedwait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
* 22   Thread 0x7fff52ffd700 (LWP 6303) "Thread (pooled)" QMapData<QString,
QVariant>::createNode (left=false,
    parent=0x0, v=..., k=..., this=0x7fff3c5ed800) at
/usr/include/qt5/QtCore/qmap.h:224
  19   Thread 0x7fff78adf700 (LWP 6300) "Thread (pooled)" 0x00007fffef2da9c5 in
cv::HaarEvaluator::OptFeature::calc (ptr=0x7fff5a1a6830, this=0x7fff6011b9c0)
    at
/var/tmp/portage/media-libs/opencv-3.1.0-r7/work/opencv-3.1.0/modules/objdetect/src/cascadedetect.hpp:401
  12   Thread 0x7fffc1207700 (LWP 6293) "digikam" pthread_cond_wait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  11   Thread 0x7fffc1a08700 (LWP 6292) "digikam" pthread_cond_wait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  10   Thread 0x7fffc2209700 (LWP 6291) "Qt bearer threa" 0x00007ffff3c5042d in
poll ()
    at ../sysdeps/unix/syscall-template.S:84
  9    Thread 0x7fffc8c07700 (LWP 6290) "digikam" pthread_cond_wait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  8    Thread 0x7fffc9408700 (LWP 6289) "QThread" pthread_cond_wait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  7    Thread 0x7fffcbfff700 (LWP 6288) "digikam" pthread_cond_timedwait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
  4    Thread 0x7fffd8f99700 (LWP 6285) "Digikam::ScanCo" pthread_cond_wait ()
    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  3    Thread 0x7fffda1aa700 (LWP 6284) "QDBusConnection" 0x00007ffff3c5042d in
poll ()
    at ../sysdeps/unix/syscall-template.S:84
  2    Thread 0x7fffdc2e1700 (LWP 6283) "QXcbEventReader" 0x00007ffff3c5042d in
poll ()
    at ../sysdeps/unix/syscall-template.S:84
  1    Thread 0x7ffff7e1a8c0 (LWP 6252) "digikam" 0x00007ffff3c5042d in poll ()
    at ../sysdeps/unix/syscall-template.S:84

I'm using Gentoo, i.e., it's all self-compiled on amd64. The installed versions
of the relevant programs (any others that are relevant?):
digikam - 5.5.0
qt5 - 5.7.1
opencv - 3.1.0
kernel 4.9.16

Please let me know if you need more information, thanks!

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https://bugs.kde.org/show_bug.cgi?id=379470

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           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Faces-Engine                |Faces-Recognition

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