[cfe-dev] False positives when analyzing 'sdlmame'

Ted Kremenek kremenek at apple.com
Fri Jun 12 12:30:51 PDT 2009

Hi John,

Thanks so much for the feedback!  Please do file a bug report in  
Bugzilla, even with just the information you have.  False positives  
reported to this mailing list will just get lost.

When you file the bug report, please include the information about how  
to reproduce the false positive, and what file and line where the  
false positive occurs.  It is also good to know *why* you think it is  
a false positive, as sometimes it isn't always obvious.  Basically I  
need to know where to get the code, what was the build line you passed  
to scan-build, etc.

Thanks so much!


On Jun 12, 2009, at 10:58 AM, John Smith wrote:

> Hi,
> I am not a developer myself (just a lowly system administrator), but I
> was intrigued by the idea of an open source static source analyzer
> Just the Same. So I decided to run scan-build on my favorite emulator,
> 'sdlmame', and posted the results of the scan/build to the sldmame
> forum. there it was looked at by qat least one developer, and he
> noticed at least two false positives.
> Now since im not a developer myself, I can only point to the forum
> posts, the analyzer results, and the source code, hoping that someone
> on this list is interested enough to investigate further. The main
> reason I did not post a bug in the bugtravker instead of sending this
> message to the mailing list is because I cannot create a (small)
> testcase myself :(
> Anyway, here's the info :
> The source code on which the analysis was run:
> http://www.mediafire.com/?2ndj2wjkgjf
> The full results of the scan-build analysis:
> http://www.mediafire.com/?ryyvj3lazma
> The post on the forum discussing the two false positives:
> http://www.bannister.org/forums/ubbthreads.php?ubb=showflat&Number=50763#Post50763
> Please feel free to ignore this message if it is not at all helpfull,
> or if I violated the mailing list rules, and if that is the case, then
> I sincerely apologize,
> Regards,
> John Smith
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> cfe-dev at cs.uiuc.edu
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