[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Josef Weidendorfer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

Josef Weidendorfer  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|ASSIGNED|RESOLVED

--- Comment #7 from Josef Weidendorfer  ---
I wanted to wait for a confirmation from the bug reporter as I could not
reproduce the bug.

With more effort, I just could force the original bug to appear, and I can
confirm now that the fix
actually works.

So, closing.
Backported to 16.08 in dff74b.

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Luigi Toscano via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

Luigi Toscano  changed:

   What|Removed |Added

 CC||luigi.tosc...@tiscali.it

--- Comment #6 from Luigi Toscano  ---
The fix was pushed in revision 4e5f940b57ae1089db29e0700d30cc309cf27805, so it
will be included in Applications/16.12 (maybe it could have been applied to
16.08 too?). Could this bug be closed?

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Josef Weidendorfer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

Josef Weidendorfer  changed:

   What|Removed |Added

 Ever confirmed|0   |1
 Status|UNCONFIRMED |ASSIGNED

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Josef Weidendorfer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

--- Comment #5 from Josef Weidendorfer  ---
Created attachment 101346
  --> https://bugs.kde.org/attachment.cgi?id=101346=edit
Proposed patch

After private conversation, the bug should be fixed with the proposed patch.
The code accesses one byte after the memory-mapped input file.
valgrind did not detect it, as it does not catch accesses beyound mapping of
files (?).

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Josef Weidendorfer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

--- Comment #4 from Josef Weidendorfer  ---
Hmm... probably not out-of-memory then.

Any chance for me to reproduce the bug, ie. can you make
the file available to me (e.g. via sending me a link in private
email)?

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Jānis Elmeris via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

--- Comment #3 from Jānis Elmeris  ---
> Regarding "top": run it in a terminal nearby and observe the memory usage 
> while KCachegrind is loading this huge file. What is the maximum number e.g. 
> for resident size directly before KCachegrind crashes?
%MEM goes up to 4,8%.
RES goes up to about 348712.

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Jānis Elmeris via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

--- Comment #2 from Jānis Elmeris  ---
It's about 180 MB. Created by XDebug. 140 MB files opened all right.

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Josef Weidendorfer via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

Josef Weidendorfer  changed:

   What|Removed |Added

   Severity|normal  |crash

--- Comment #1 from Josef Weidendorfer  ---
Thanks.

I assume this is an out-of-memory error (duplicate of Bug 232470).
How large is the file you load? Which tool created the file?

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[kcachegrind] [Bug 368751] KCachegrind crashes after a profile gets loaded

[Jānis Elmeris via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=368751

Jānis Elmeris  changed:

   What|Removed |Added

 CC||jan...@inbox.lv

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