[Konsole-devel] Review Request 128153: Fix potential out of bounds read.

[Martin Tobias Holmedahl Sandsmark]

> On June 11, 2016, 5:13 p.m., Kurt Hindenburg wrote:
> > Yea there some serious issues w/ unlimited history.  The big file is around 2.1G - the code needs fixed to handle larger # and error checks added.

we could probably start by switching over to longs from ints for lengths and positions?


- Martin Tobias Holmedahl


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On June 11, 2016, 4:37 p.m., Martin Tobias Holmedahl Sandsmark wrote:
> 
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> https://git.reviewboard.kde.org/r/128153/
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> 
> (Updated June 11, 2016, 4:37 p.m.)
> 
> 
> Review request for Konsole.
> 
> 
> Repository: konsole
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> 
> Description
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> 
> The check was only done when not memory mapped, so there was a potential out of bounds read. In addition the check only printed an error, and didn't return and went ahead with the erronous read.
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> 
> Diffs
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>   src/History.cpp d00b95a 
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> Diff: https://git.reviewboard.kde.org/r/128153/diff/
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> 
> Testing
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> Tested running with the unlimited scrollback and various amounts of printing and scrolling to try to trigger both the mmaped and unmmaped cases.
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> 
> Thanks,
> 
> Martin Tobias Holmedahl Sandsmark
> 
>

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