https://bugs.kde.org/show_bug.cgi?id=381584
Bug ID: 381584
Summary: Kdenlive crashes with a segmentation fault (segfault)
when loading multi-stream Matroska
Product: kdenlive
Version: 17.04.1
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: User Interface
Assignee: j...@kdenlive.org
Reporter: syb...@stuvel.eu
Target Milestone: ---
Created attachment 106265
--> https://bugs.kde.org/attachment.cgi?id=106265&action=edit
A video file that shows this crash
What I was doing when the application crashed:
- Dragged a video file into Kdenlive to add it to the project.
- I got a popup notifying me that there was more than one video stream.
- I kept the checkbox for the extra video stream checked, because I want to
import both streams.
- I clicked 'Import selected strips'
- Crash
ffprobe tells me this about the file:
Input #0, matroska,webm, from 'for-bugreport.mkv':
Metadata:
ENCODER : Lavf57.25.100
Duration: 00:00:04.00, start: 0.000000, bitrate: 1504 kb/s
Stream #0:0: Video: h264 (High 4:2:2), yuv422p, 640x480 [SAR 1:1 DAR 4:3],
25 fps, 25 tbr, 1k tbn, 50 tbc (default)
Metadata:
title : Webcam
ENCODER : Lavc57.24.102 libx264
DURATION : 00:00:04.003000000
Stream #0:1: Video: h264 (High 4:2:2), yuv422p, 1920x1080 [SAR 1:1 DAR
16:9], 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
Metadata:
title : Screen grab
ENCODER : Lavc57.24.102 libx264
DURATION : 00:00:04.003000000
Stream #0:2: Audio: vorbis, 44100 Hz, mono, fltp (default)
Metadata:
title : Microphone
ENCODER : Lavc57.24.102 libvorbis
DURATION : 00:00:04.003000000
The crash can be reproduced every time.
-- Versions:
Application: kdenlive (17.04.1)
Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.8.0-54-generic x86_64
Distribution: Ubuntu 16.10
-- Backtrace:
Application: Kdenlive (kdenlive), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f70cb5fc8c0 (LWP 12759))]
Thread 28 (Thread 0x7f706bfff700 (LWP 12842)):
#0 0x00007f70c509788d in read () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f70bb4e20c1 in pa_read () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-9.0.so
#2 0x00007f70c00a1bce in pa_mainloop_prepare () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3 0x00007f70c00a2640 in pa_mainloop_iterate () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4 0x00007f7093401feb in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#5 0x00007f70933d4920 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#6 0x00007f70933de0b8 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#7 0x00007f709341df49 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#8 0x00007f70c39996ca in start_thread (arg=0x7f706bfff700) at
pthread_create.c:333
#9 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 27 (Thread 0x7f70427fc700 (LWP 12841)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f70ca7cc15b in consumer_read_ahead_thread (arg=0x555cd55a0360) at
mlt_consumer.c:838
#2 0x0000555cd184f12d in RenderThread::run (this=0x7f70340013c0) at
./src/monitor/glwidget.cpp:1282
#3 0x00007f70c5aa4c68 in QThreadPrivate::start (arg=0x7f70340013c0) at
thread/qthread_unix.cpp:341
#4 0x00007f70c39996ca in start_thread (arg=0x7f70427fc700) at
pthread_create.c:333
#5 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 26 (Thread 0x7f70437fe700 (LWP 12840)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f7084be9430 in consumer_thread (arg=0x555cd55a0360) at
consumer_sdl_audio.c:595
#2 0x00007f70c39996ca in start_thread (arg=0x7f70437fe700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 25 (Thread 0x7f7042ffd700 (LWP 12795)):
#0 0x00007f70c1fbd029 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f70c1f76db7 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f70c1f778fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f70c1f77aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f70c5cd24ab in QEventDispatcherGlib::processEvents
(this=0x7f70140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5 0x00007f70c5c7a0fa in QEventLoop::exec (this=this@entry=0x7f7042ffcd00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x00007f70c5a9fd43 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:500
#7 0x00007f70c5aa4c68 in QThreadPrivate::start (arg=0x555cd678ce00) at
thread/qthread_unix.cpp:341
#8 0x00007f70c39996ca in start_thread (arg=0x7f7042ffd700) at
pthread_create.c:333
#9 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 24 (Thread 0x7f7043fff700 (LWP 12792)):
#0 0x00007f70c509788d in read () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f70c1fbbc80 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f70c1f77485 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f70c1f77974 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f70c1f77aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f70c5cd24ab in QEventDispatcherGlib::processEvents
(this=0x7f70380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#6 0x00007f70c5c7a0fa in QEventLoop::exec (this=this@entry=0x7f7043ffed00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7 0x00007f70c5a9fd43 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:500
#8 0x00007f70c5aa4c68 in QThreadPrivate::start (arg=0x555cd678dd20) at
thread/qthread_unix.cpp:341
#9 0x00007f70c39996ca in start_thread (arg=0x7f7043fff700) at
pthread_create.c:333
#10 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 23 (Thread 0x7f7068ff9700 (LWP 12791)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f7068ff9700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 22 (Thread 0x7f70697fa700 (LWP 12790)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f70697fa700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 21 (Thread 0x7f7069ffb700 (LWP 12789)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f7069ffb700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 20 (Thread 0x7f706a7fc700 (LWP 12788)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706a7fc700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 19 (Thread 0x7f706affd700 (LWP 12787)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706affd700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 18 (Thread 0x7f706b7fe700 (LWP 12786)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706b7fe700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 17 (Thread 0x7f706ca2a700 (LWP 12785)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706ca2a700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 16 (Thread 0x7f706d22b700 (LWP 12784)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706d22b700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 15 (Thread 0x7f706da2c700 (LWP 12783)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706da2c700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 14 (Thread 0x7f706e22d700 (LWP 12782)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706e22d700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 13 (Thread 0x7f706ea2e700 (LWP 12781)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706ea2e700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 12 (Thread 0x7f706f22f700 (LWP 12780)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706f22f700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 11 (Thread 0x7f706fa30700 (LWP 12778)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f709a5bdeee in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#2 0x00007f70c39996ca in start_thread (arg=0x7f706fa30700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 10 (Thread 0x7f707e3c9700 (LWP 12773)):
#0 0x00007f70c1fbd029 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f70c1f76ee5 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f70c1f778fb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f70c1f77aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f70c5cd24ab in QEventDispatcherGlib::processEvents
(this=0x7f70740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5 0x00007f70c5c7a0fa in QEventLoop::exec (this=this@entry=0x7f707e3c8ce0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x00007f70c5a9fd43 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:500
#7 0x00007f70c68a0c65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f70c5aa4c68 in QThreadPrivate::start (arg=0x555cd4b35b60) at
thread/qthread_unix.cpp:341
#9 0x00007f70c39996ca in start_thread (arg=0x7f707e3c9700) at
pthread_create.c:333
#10 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 9 (Thread 0x7f707fd3b700 (LWP 12771)):
#0 0x00007f70c1fbd044 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f70c1f779ca in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f70c1f77aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f70c5cd24ab in QEventDispatcherGlib::processEvents
(this=0x7f70780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4 0x00007f70c5c7a0fa in QEventLoop::exec (this=this@entry=0x7f707fd3ace0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5 0x00007f70c5a9fd43 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:500
#6 0x00007f70c68a0c65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f70c5aa4c68 in QThreadPrivate::start (arg=0x555cd438d6c0) at
thread/qthread_unix.cpp:341
#8 0x00007f70c39996ca in start_thread (arg=0x7f707fd3b700) at
pthread_create.c:333
#9 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 8 (Thread 0x7f7085e5e700 (LWP 12770)):
#0 0x00007f70c509bcbd in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f708d4c364c in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2 0x00007f70c39996ca in start_thread (arg=0x7f7085e5e700) at
pthread_create.c:333
#3 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 7 (Thread 0x7f70a9b55700 (LWP 12766)):
#0 0x00007f70c1fbd029 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f70c1f778d0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f70c1f77aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f70c5cd24ab in QEventDispatcherGlib::processEvents
(this=0x7f709c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4 0x00007f70c5c7a0fa in QEventLoop::exec (this=this@entry=0x7f70a9b54cd0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5 0x00007f70c5a9fd43 in QThread::exec (this=this@entry=0x7f70cb72ad60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:500
#6 0x00007f70cb6b6575 in QDBusConnectionManager::run (this=0x7f70cb72ad60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:171
#7 0x00007f70c5aa4c68 in QThreadPrivate::start (arg=0x7f70cb72ad60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:341
#8 0x00007f70c39996ca in start_thread (arg=0x7f70a9b55700) at
pthread_create.c:333
#9 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 6 (Thread 0x7f70aa7ec700 (LWP 12765)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f70b4f8b71b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2 0x00007f70b4f8b447 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3 0x00007f70c39996ca in start_thread (arg=0x7f70aa7ec700) at
pthread_create.c:333
#4 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 5 (Thread 0x7f70aafed700 (LWP 12764)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f70b4f8b71b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2 0x00007f70b4f8b447 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3 0x00007f70c39996ca in start_thread (arg=0x7f70aafed700) at
pthread_create.c:333
#4 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 4 (Thread 0x7f70ab7ee700 (LWP 12763)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f70b4f8b71b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2 0x00007f70b4f8b447 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3 0x00007f70c39996ca in start_thread (arg=0x7f70ab7ee700) at
pthread_create.c:333
#4 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 3 (Thread 0x7f70abfef700 (LWP 12762)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f70b4f8b71b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2 0x00007f70b4f8b447 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3 0x00007f70c39996ca in start_thread (arg=0x7f70abfef700) at
pthread_create.c:333
#4 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 2 (Thread 0x7f70aca28700 (LWP 12761)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f70b4f8b71b in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2 0x00007f70b4f8b447 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3 0x00007f70c39996ca in start_thread (arg=0x7f70aca28700) at
pthread_create.c:333
#4 0x00007f70c50a7caf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 1 (Thread 0x7f70cb5fc8c0 (LWP 12759)):
[KCrash Handler]
#6 QComboBox::currentIndex (this=0x0) at widgets/qcombobox.cpp:2068
#7 0x0000555cd1903742 in ProducerQueue::slotMultiStreamProducerFound
(this=this@entry=0x555cd3bd88c0, path=..., audio_list=..., video_list=...,
data=...) at ./src/mltcontroller/producerqueue.cpp:985
#8 0x0000555cd19a85d3 in ProducerQueue::qt_static_metacall (_o=0x555cd3bd88c0,
_c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
./obj-x86_64-linux-gnu/src/moc_producerqueue.cpp:168
#9 0x00007f70c5caa699 in QObject::event (this=0x555cd3bd88c0, e=<optimized
out>) at kernel/qobject.cpp:1256
#10 0x00007f70c72698ac in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x555cd3bd88c0, e=0x7f707000c820) at
kernel/qapplication.cpp:3804
#11 0x00007f70c726ed4f in QApplication::notify (this=0x7fff26b1f870,
receiver=0x555cd3bd88c0, e=0x7f707000c820) at kernel/qapplication.cpp:3561
#12 0x00007f70c5c7c3b0 in QCoreApplication::notifyInternal2
(receiver=0x555cd3bd88c0, event=event@entry=0x7f707000c820) at
kernel/qcoreapplication.cpp:1015
#13 0x00007f70c5c7e33c in QCoreApplication::sendEvent (event=0x7f707000c820,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:225
#14 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x555cd3570b00) at
kernel/qcoreapplication.cpp:1650
#15 0x00007f70c5c7e7f8 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1508
#16 0x00007f70c5cd2083 in postEventSourceDispatch (s=0x555cd35d5970) at
kernel/qeventdispatcher_glib.cpp:270
#17 0x00007f70c1f777d7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f70c1f77a40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f70c1f77aec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f70c5cd248f in QEventDispatcherGlib::processEvents
(this=0x555cd35d7d30, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#21 0x00007f70c5c7a0fa in QEventLoop::exec (this=this@entry=0x7fff26b1f730,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#22 0x00007f70c5c8290c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1285
#23 0x0000555cd15a6d6d in main (argc=<optimized out>, argv=<optimized out>) at
./src/main.cpp:158
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