Review Request 127486: Fix uninitialized int array in UnicodeGroupProber

Aleix Pol Gonzalez aleixpol at kde.org
Thu Mar 24 23:29:07 UTC 2016


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src/probers/UnicodeGroupProber.cpp (line 78)
<https://git.reviewboard.kde.org/r/127486/#comment63991>

    `(uint)` shouldn't be necessary, no? Otherwise:
    `const uint weight_BOM(sqrt((double)aLen) + aLen / 10.0);`
    
    Or even easier:
    `const uint weight_BOM = aLen>>1 + aLen / 10;`



src/probers/UnicodeGroupProber.cpp (line 79)
<https://git.reviewboard.kde.org/r/127486/#comment63992>

    This used to be `uint`.


- Aleix Pol Gonzalez


On March 24, 2016, 9:45 p.m., Dominik Haumann wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/127486/
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> 
> (Updated March 24, 2016, 9:45 p.m.)
> 
> 
> Review request for KDE Frameworks.
> 
> 
> Bugs: 357341
>     https://bugs.kde.org/show_bug.cgi?id=357341
> 
> 
> Repository: kcodecs
> 
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> Description
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> 
> When loading the file from bug https://bugs.kde.org/show_bug.cgi?id=360797 with kwrite one gets a segfault. Valgrind tells us 'count' is uninitialized (see line 83).
> 
> This patch
> - moves variables to local scopes
> - initializes the variable count with 5 times 0.
> 
> The backtrace in bug https://bugs.kde.org/show_bug.cgi?id=357341 is fixed this way. However, there is a second crash still happening, which still needs investigation.
> 
> 
> Diffs
> -----
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>   src/probers/UnicodeGroupProber.cpp 1d86f08 
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> Diff: https://git.reviewboard.kde.org/r/127486/diff/
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> 
> Testing
> -------
> 
> - unit tests still pass
> - The encoding prober does not crash at the location anymore - it crashes a bit later (another issue)
> 
> 
> Thanks,
> 
> Dominik Haumann
> 
>

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