[kompare] [Bug 202457] "Next Difference/File" crashes when viewing a "move" diff

[Raúl]

https://bugs.kde.org/show_bug.cgi?id=202457

Raúl  changed:

   What|Removed |Added

 Resolution|WORKSFORME  |---
 Status|RESOLVED|REOPENED

--- Comment #34 from Raúl  ---
Start browsing from a/Gemfile and press ctrl-PgUp until you get the crash.
Valgrind report (excerpt):

==25494== Invalid read of size 8
==25494==at 0x118793AC: UnknownInlinedFun (qlist.h:118)
==25494==by 0x118793AC: constBegin (qlist.h:341)
==25494==by 0x118793AC: KFileLVI::fillChangesList(QTreeWidget*,
QHash*) (komparenavtreepart.cpp:627)
==25494==by 0x1187967C:
KompareNavTreePart::setSelectedFile(Diff2::DiffModel const*)
(komparenavtreepart.cpp:339)
==25494==by 0x11879A69:
KompareNavTreePart::slotSetSelection(Diff2::DiffModel const*, Diff2::Difference
const*) (komparenavtreepart.cpp:299)
==25494==by 0x624653F: ??? (in
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5.15.2)
==25494==by 0x11848E0D: KomparePart::setSelection(Diff2::DiffModel const*,
Diff2::Difference const*) (moc_kompare_part.cpp:400)
==25494==by 0x6246505: ??? (in
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5.15.2)
==25494==by 0x489368D:
Diff2::KompareModelList::setSelection(Diff2::DiffModel const*,
Diff2::Difference const*) (in /usr/lib/x86_64-linux-gnu/libkomparediff2.so.5.2)
==25494==by 0x489A442: Diff2::KompareModelList::slotNextModel() (in
/usr/lib/x86_64-linux-gnu/libkomparediff2.so.5.2)
==25494==by 0x6246505: ??? (in
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5.15.2)
==25494==by 0x5372B61: QAction::triggered(bool) (in
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5.15.2)
==25494==by 0x53753A0: QAction::activate(QAction::ActionEvent) (in
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5.15.2)
==25494==by 0x5375F66: QAction::event(QEvent*) (in
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5.15.2)
==25494==  Address 0x40 is not stack'd, malloc'd or (recently) free'd
==25494== 
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = kompare path = /usr/bin pid = 25494
KCrash: Arguments: /usr/bin/kompare kompare_crash.diff 
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi

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[kompare] [Bug 202457] "Next Difference/File" crashes when viewing a "move" diff

[Raúl]

https://bugs.kde.org/show_bug.cgi?id=202457

--- Comment #33 from Raúl  ---
Created attachment 134446
  --> https://bugs.kde.org/attachment.cgi?id=134446=edit
New crash information added by DrKonqi

kompare (4.1.20120) using Qt 5.15.2

- What I was doing when the application crashed:
Debian sid. kompare 20.12.0, Qt 5.12.2
I reproduced like this: I used the most recent attached diff:
* curl https://bugsfiles.kde.org/attachment.cgi?id=70359 |gunzip >
kompare_crash.diff
* kompare kompare_crash.diff
* Go to first file in diff
* Start browsing using ctrl-pgup, ctrl-pgdown

-- Backtrace (Reduced):
#4  QListData::begin (this=) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:118
#5  QList::constBegin (this=) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:341
#6  KFileLVI::fillChangesList (this=0x0, changesList=0x55c63834cdb0,
diffToChangeItemDict=0x55c638324590) at
./komparenavtreepart/komparenavtreepart.cpp:627
#7  0x7fe7bcb1767d in KompareNavTreePart::setSelectedFile
(this=0x55c638324560, model=0x55c638a5afd0) at
./komparenavtreepart/komparenavtreepart.cpp:339
#8  0x7fe7bcb17a6a in KompareNavTreePart::slotSetSelection
(this=0x55c638324560, model=0x55c638a5afd0, diff=0x55c638a66170) at
./komparenavtreepart/komparenavtreepart.cpp:299

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[kompare] [Bug 202457] "Next Difference/File" crashes when viewing a "move" diff

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=202457

eamerr...@gmail.com changed:

   What|Removed |Added

 Status|NEEDSINFO   |RESOLVED
 Resolution|WAITINGFORINFO  |WORKSFORME

--- Comment #32 from eamerr...@gmail.com ---
(In reply to Bug Janitor Service from comment #31)
> Dear Bug Submitter,
> 
> This bug has been in NEEDSINFO status with no change for at least
> 15 days. Please provide the requested information as soon as
> possible and set the bug status as REPORTED. Due to regular bug
> tracker maintenance, if the bug is still in NEEDSINFO status with
> no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
> due to lack of needed information.
> 
> For more information about our bug triaging procedures please read the
> wiki located here:
> https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging
> 
> If you have already provided the requested information, please
> mark the bug as REPORTED so that the KDE team knows that the bug is
> ready to be confirmed.
> 
> Thank you for helping us make KDE software even better for everyone!


Sorry, no idea.  That was many years and several versions of KDE ago.
A quick try of the described recipe on my current desktop shows
no problem (kompare-19.04.0 kde 5.15

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[kompare] [Bug 202457] "Next Difference/File" crashes when viewing a "move" diff

[Bug Janitor Service]

https://bugs.kde.org/show_bug.cgi?id=202457

--- Comment #31 from Bug Janitor Service  ---
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

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[kompare] [Bug 202457] "Next Difference/File" crashes when viewing a "move" diff

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=202457

jckes...@gmail.com changed:

   What|Removed |Added

 CC|jckes...@gmail.com  |

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[kompare] [Bug 202457] "Next Difference/File" crashes when viewing a "move" diff

[Justin Zobel]

https://bugs.kde.org/show_bug.cgi?id=202457

Justin Zobel  changed:

   What|Removed |Added

 Status|REOPENED|NEEDSINFO
 Resolution|--- |WAITINGFORINFO

--- Comment #30 from Justin Zobel  ---
Thank you for the crash report.

As it has been a while since this was reported, can you please test and confirm
if this issue is still occurring or if this bug report can be marked as
resolved.

I have set the bug status to "needsinfo" pending your response, please change
back to "reported" or "resolved/worksforme" when you respond, thank you.

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[kompare] [Bug 202457] "Next Difference/File" crashes when viewing a "move" diff

[cpon via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=202457

cpon  changed:

   What|Removed |Added

 CC||cpigat...@gmail.com

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