[Gambas-bugtracker] Bug #2373: segfault within help browser

Wed Oct 6 16:16:41 CEST 2021

http://gambaswiki.org/bugtracker/edit?object=BUG.2373&from=L21haW4-

Comment #4 by Gen BRAGA:

Surely. Here it goes:

gdb gbx3
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Lendo símbolos de gbx3...concluído.
(gdb) run
Starting program: /usr/bin/gbx3 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
gb.gui: warning: 'gb.gtk3.webview' component not found, using 'gb.qt4' instead
(gdb) warning: Corrupted shared library list: 0xa767a0 != 0x966e50
[New Thread 0x7fffdb5e3700 (LWP 5286)]
[New Thread 0x7fffdade2700 (LWP 5287)]
[New Thread 0x7fffda5e1700 (LWP 5288)]
[New Thread 0x7fffcaea4700 (LWP 5289)]
[New Thread 0x7fffca6a3700 (LWP 5290)]
[New Thread 0x7fffc3974700 (LWP 5296)]
[New Thread 0x7fff7bffd700 (LWP 5300)]
[Thread 0x7fffcaea4700 (LWP 5289) exited]
[New Thread 0x7fffcaea4700 (LWP 5305)]

Thread 1 "gbx3" received signal SIGSEGV, Segmentation fault.
0x00007fffee774ea3 in WebCore::DocumentWriter::createDocument(WebCore::KURL const&) ()
    at /build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
129	/build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h: Arquivo ou diretório não encontrado.

(gdb) bt

#0  0x00007fffee774ea3 in WebCore::DocumentWriter::createDocument(WebCore::KURL const&) ()
    at /build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#1  0x00007fffee7756bb in WebCore::DocumentWriter::begin(WebCore::KURL const&, bool, WebCore::Document*) ()
    at /build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#2  0x00007fffee775d7b in WebCore::DocumentWriter::begin() () at /build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#3  0x00007fffee138421 in QWebFrame::setUrl(QUrl const&) () at /build/qtwebkit-source-Or8iUU/qtwebkit-source-2.3.2/Source/WTF/wtf/SegmentedVector.h:129
#4  0x00007ffff0275ba3 in WebView_Url (_object=0x1e2d858, _object at entry=<error reading variable: value has been optimized out>, 
    _param=<error reading variable: value has been optimized out>) at c_webview.cpp:213
#5  0x0000000000449edd in EXEC_call_native (exec=<optimized out>, object=<optimized out>, type=type at entry=0, param=<optimized out>) at gbx_exec.c:1162
#6  0x000000000044ddec in EXEC_pop_unknown () at gbx_exec_pop.c:244
#7  0x00000000004446e3 in EXEC_loop () at gbx_exec_loop.c:677
#8  0x000000000044970d in EXEC_function_loop () at gbx_exec.c:905
#9  0x0000000000449e7e in EXEC_function_real () at gbx_exec.c:892
#10 0x000000000044b234 in EXEC_public_desc (class=class at entry=0xcd9dc8, object=object at entry=0x1e56458, desc=desc at entry=0x2218b78, nparam=nparam at entry=0) at gbx_exec.c:1585
#11 0x0000000000421a77 in raise_event (observer=observer at entry=0x1e56458, object=object at entry=0x1b22fd8, func_id=177, func_id at entry=178, nparam=nparam at entry=0)
    at gbx_api.c:830
#12 0x0000000000421ec1 in GB_Raise (object=0x1b22fd8, event_id=20, nparam=0) at gbx_api.c:988
#13 0x000000000044544c in EXEC_loop () at gbx_exec_loop.c:1179
#14 0x000000000044970d in EXEC_function_loop () at gbx_exec.c:905
#15 0x0000000000449e7e in EXEC_function_real () at gbx_exec.c:892
#16 0x000000000044b234 in EXEC_public_desc (class=class at entry=0x84f078, object=object at entry=0x1b22fd8, desc=desc at entry=0x8c9cd8, nparam=nparam at entry=0) at gbx_exec.c:1585
#17 0x0000000000421a77 in raise_event (observer=observer at entry=0x1b22fd8, object=object at entry=0x17cb878, func_id=128, func_id at entry=129, nparam=nparam at entry=0)
    at gbx_api.c:830
#18 0x0000000000421ec1 in GB_Raise (object=0x17cb878, event_id=9, nparam=0) at gbx_api.c:988
#19 0x00007ffff5f90182 in CWidget::eventFilter (this=0x7ffff61ecb30 <CWidget::manager>, widget=0x1e43f00, event=0x7fffffffd270) at CWidget.cpp:2660
#20 0x00007ffff4c969e0 in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#21 0x00007ffff51c3f68 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#22 0x00007ffff51cb0d6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#23 0x00007ffff4c9690d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x00007ffff51ca6dd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#25 0x00007ffff52483f2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#26 0x00007ffff5247c83 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x00007ffff5271542 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#28 0x00007ffff38f6267 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007ffff38f64c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007ffff38f656c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ffff4cc72ce in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#32 0x00007ffff5271616 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#33 0x00007ffff4c9518f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#34 0x00007ffff4c954f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#35 0x00007ffff4c9b4b9 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#36 0x00007ffff5f83a65 in hook_loop () at main.cpp:1031
#37 0x0000000000404b85 in main (argc=1, argv=0x7fffffffde68) at gbx.c:479

PS.: "Arquivo ou diretório não encontrado." in last line before backtrace means "file not found"

Gen BRAGA changed the state of the bug to: Accepted.