Crash after adding torrent, after that qbittorrent keeps crashing at startup, dependably each time. #9729

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opened 2026-02-21 20:21:05 -05:00 by deekerman · 3 comments
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Originally created by @vlijmenfileer on GitHub (Feb 5, 2020).

qBittorrent version and Operating System

qt5ct: using qt5ct plugin
qBittorrent v4.1.5
OS: Debian GNU/Linux 10 (buster) x86_64
Model: Dell System XPS L502X
Kernel: 5.2.0-0.bpo.3-amd64
Resolution: 1920x1080
DE: Xfce
WM: Xfwm4
WM Theme: Breeze
Theme: Clearlooks-Phenix [GTK2], Breeze [GTK3]
Icons: Tango [GTK2], breeze [GTK3]
Terminal: xfce4-terminal
Terminal Font: Monospace 11
CPU: Intel i5-2520M (4) @ 3.200GHz
GPU: NVIDIA GeForce GT 525M
GPU: Intel 2nd Generation Core Processor Family
Memory: 5429MiB / 7935MiB

If on linux, libtorrent-rasterbar and Qt version

libtorrent-rasterbar: v9, 1.1.11
qt: 5.11.3

What is the problem

Crash after adding torrent, after that qbittorrent keeps crashing at startup, dependably each time.
This happened too the other day, in that instance it kept running long enough before crashing for me to pick up something specific to one torrent (forgot what) that made me delete that specific torrent.
This time, the crash after start happens too quick to be able to find out anything, rendering qbittorrent dysfunctional.

What is the expected behavior

No crash

Steps to reproduce

(type here)

Extra info(if any)

Output of qbittorrent when started from a shell:

qt5ct: using qt5ct plugin
qt5ct: D-Bus global menu: no
qt5ct: D-Bus system tray: no
qt5ct: custom style sheet is disabled
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
DSvgRenderer::load: Error domain 1 code 76 on line 1 column 168 of data: Opening and ending tag mismatch: meta line 0 and head


Please file a bug report at http://bug.qbittorrent.org and provide the following information:

qBittorrent version: v4.1.5

Caught signal: SIGSEGV
Stack trace:
/usr/lib/x86_64-linux-gnu/libQt5Network.so.5 : ()+0x95b84 [0x7fbaa50cfb84]
/usr/lib/x86_64-linux-gnu/libQt5Network.so.5 : ()+0x94c49 [0x7fbaa50cec49]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QObject::event(QEvent*)+0xe2 [0x7fbaa4d94072]
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 : QApplicationPrivate::notify_helper(QObject*, QEvent*)+0x81 [0x7fbaa595e4c1]
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 : QApplication::notify(QObject*, QEvent*)+0x210 [0x7fbaa5965970]
qbittorrent : Application::notify(QObject*, QEvent*)+0x22 [0x55764ff28c42]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QCoreApplication::notifyInternal2(QObject*, QEvent*)+0x179 [0x7fbaa4d6a489]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)+0x1cb [0x7fbaa4d6d46b]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : ()+0x2bc103 [0x7fbaa4dbc103]
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 : g_main_context_dispatch()+0x2ae [0x7fbaa3a2ef2e]
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 : ()+0x4e1c8 [0x7fbaa3a2f1c8]
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 : g_main_context_iteration()+0x2c [0x7fbaa3a2f25c]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag)+0x67 [0x7fbaa4dbb727]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag)+0x13b [0x7fbaa4d6915b]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QThread::exec()+0xb6 [0x7fbaa4bb8e76]
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : ()+0xc2a67 [0x7fbaa4bc2a67]
/lib/x86_64-linux-gnu/libpthread.so.0 : ()+0x7fa3 [0x7fbaa4ae6fa3]
/lib/x86_64-linux-gnu/libc.so.6 : clone()+0x3f [0x7fbaa46f44cf]
Segmentation fault

Originally created by @vlijmenfileer on GitHub (Feb 5, 2020). ### qBittorrent version and Operating System qt5ct: using qt5ct plugin qBittorrent v4.1.5 OS: Debian GNU/Linux 10 (buster) x86_64 Model: Dell System XPS L502X Kernel: 5.2.0-0.bpo.3-amd64 Resolution: 1920x1080 DE: Xfce WM: Xfwm4 WM Theme: Breeze Theme: Clearlooks-Phenix [GTK2], Breeze [GTK3] Icons: Tango [GTK2], breeze [GTK3] Terminal: xfce4-terminal Terminal Font: Monospace 11 CPU: Intel i5-2520M (4) @ 3.200GHz GPU: NVIDIA GeForce GT 525M GPU: Intel 2nd Generation Core Processor Family Memory: 5429MiB / 7935MiB ### If on linux, libtorrent-rasterbar and Qt version libtorrent-rasterbar: v9, 1.1.11 qt: 5.11.3 ### What is the problem Crash after adding torrent, after that qbittorrent keeps crashing at startup, dependably each time. This happened too the other day, in that instance it kept running long enough before crashing for me to pick up something specific to one torrent (forgot what) that made me delete that specific torrent. This time, the crash after start happens too quick to be able to find out anything, rendering qbittorrent dysfunctional. ### What is the expected behavior No crash ### Steps to reproduce (type here) ### Extra info(if any) Output of qbittorrent when started from a shell: qt5ct: using qt5ct plugin qt5ct: D-Bus global menu: no qt5ct: D-Bus system tray: no qt5ct: custom style sheet is disabled libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile DSvgRenderer::load: Error domain 1 code 76 on line 1 column 168 of data: Opening and ending tag mismatch: meta line 0 and head ************************************************************* Please file a bug report at http://bug.qbittorrent.org and provide the following information: qBittorrent version: v4.1.5 Caught signal: SIGSEGV Stack trace: /usr/lib/x86_64-linux-gnu/libQt5Network.so.5 : ()+0x95b84 [0x7fbaa50cfb84] /usr/lib/x86_64-linux-gnu/libQt5Network.so.5 : ()+0x94c49 [0x7fbaa50cec49] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QObject::event(QEvent*)+0xe2 [0x7fbaa4d94072] /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 : QApplicationPrivate::notify_helper(QObject*, QEvent*)+0x81 [0x7fbaa595e4c1] /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 : QApplication::notify(QObject*, QEvent*)+0x210 [0x7fbaa5965970] qbittorrent : Application::notify(QObject*, QEvent*)+0x22 [0x55764ff28c42] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QCoreApplication::notifyInternal2(QObject*, QEvent*)+0x179 [0x7fbaa4d6a489] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)+0x1cb [0x7fbaa4d6d46b] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : ()+0x2bc103 [0x7fbaa4dbc103] /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 : g_main_context_dispatch()+0x2ae [0x7fbaa3a2ef2e] /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 : ()+0x4e1c8 [0x7fbaa3a2f1c8] /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 : g_main_context_iteration()+0x2c [0x7fbaa3a2f25c] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+0x67 [0x7fbaa4dbb727] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+0x13b [0x7fbaa4d6915b] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : QThread::exec()+0xb6 [0x7fbaa4bb8e76] /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 : ()+0xc2a67 [0x7fbaa4bc2a67] /lib/x86_64-linux-gnu/libpthread.so.0 : ()+0x7fa3 [0x7fbaa4ae6fa3] /lib/x86_64-linux-gnu/libc.so.6 : clone()+0x3f [0x7fbaa46f44cf] Segmentation fault
deekerman 2026-02-21 20:21:05 -05:00
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@thalieht commented on GitHub (Feb 5, 2020):

Duplicate of #9667

@thalieht commented on GitHub (Feb 5, 2020): Duplicate of #9667
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@vlijmenfileer commented on GitHub (Feb 5, 2020):

I'm not certain how this is a duplicate of #9667, unless that one really is intended as a collection for any seemingly random crash, rather than the search-plugin triggered crashes towards I felt it had developed.
For me at least, this crash is triggered in a different way than the search-plugin crash.

@vlijmenfileer commented on GitHub (Feb 5, 2020): I'm not certain how this is a duplicate of #9667, unless that one really is intended as a collection for any seemingly random crash, rather than the search-plugin triggered crashes towards I felt it had developed. For me at least, this crash is triggered in a different way than the search-plugin crash.
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@thalieht commented on GitHub (Feb 5, 2020):

The stacktrace is the same. Also FYI i haven't seen a similar crash report in a while (and there were ALOT). It was probably fixed in some later Qt version or perhaps even in qBt after 4.2.0.

@thalieht commented on GitHub (Feb 5, 2020): The stacktrace is the same. Also FYI i haven't seen a similar crash report in a while (and there were ALOT). It was probably fixed in some later Qt version or perhaps even in qBt after 4.2.0.
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starred/qBittorrent#9729
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