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Re: Static analysis tool?

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On 4/17/2021 10:34 AM, Dave Nadler wrote:
> On 4/16/2021 3:24 PM, Dave Nadler wrote:
>> Perhaps someone here can help...
>>
>> I'm doing a presentation on techniques for embedded, especially 
>> removing and keeping out bugs ;-) Using an example project from last 
>> year. A reviewer of my first draft suggested many of the bugs surfaced 
>> in the project would have been caught by static analysis - but I 
>> haven't had such great luck in the past.
>>
>> Tried CPPcheck, and while it found some less-than-optimal stuff it 
>> only found one of the real bugs discussed.
>>
>> Tried to get an evaluation copy of Coverity, but got a wildly annoying 
>> and clueless sales person who promises a member of the right team will 
>> contact me shortly (Real Soon Now).
>>
>> Bugs I had to fix and amenable to static analysis included:
>> - uninitialized variable (only one found by CPPcheck)
>> - use of magic 0xff index value as subscript off end of array
>> - C macro with unguarded arguments getting wrong answer
>> - use of int8 to index 1kb buffer (so only 256 bytes got used)
>>
>> Anybody able to recommend a tool they've used successfully?
>> Thanks in advance,
>> Best Regards, Dave
> 
> Thanks all for the comments. I should have explained this project came 
> from elsewhere; landed in my lap to add a minor feature which resulted 
> in needing to do lots of debug of existing problems. I even rewrote part 
> of it in C++ ;-)  Project is proprietary so Coverity scan is not 
> applicable as that's only for FOSS. Only 5 (maybe 6?) of the top dozen 
> bugs COULD be found by static analysis but certainly that would have 
> been helpful.
> 
> If anybody has an hour and would be interested to review the 
> presentation first draft video PM me - I can always use some 
> constructive comments and suggestions!
> 
> Thanks again,
> Best Regards, Dave

Further follow-up: Never heard back from Coverity (as expected).
Tried Perforce Klocworks and got a very perky and slightly less annoying 
sales person who promised prompt follow-up, and as usual none was 
forthcoming.

Any other static analysis tools you folks can suggest?

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Static analysis tool? Dave Nadler <drn@nadler.com> - 2021-04-16 15:24 -0400
  Re: Static analysis tool? Helmut Giese <hgiese@ratiosoft.com> - 2021-04-16 21:44 +0200
  Re: Static analysis tool? Don Y <blockedofcourse@foo.invalid> - 2021-04-16 12:56 -0700
    Re: Static analysis tool? Dave Nadler <drn@nadler.com> - 2021-04-16 16:26 -0400
      Re: Static analysis tool? Don Y <blockedofcourse@foo.invalid> - 2021-04-16 13:47 -0700
        Re: Static analysis tool? Don Y <blockedofcourse@foo.invalid> - 2021-04-16 13:54 -0700
    Re: Static analysis tool? Gerhard Hoffmann <dk4xp@arcor.de> - 2021-04-16 22:54 +0200
      Re: Static analysis tool? Don Y <blockedofcourse@foo.invalid> - 2021-04-16 14:20 -0700
  Re: Static analysis tool? Paul Rubin <no.email@nospam.invalid> - 2021-04-17 01:04 -0700
  Re: Static analysis tool? Stefan Reuther <stefan.news@arcor.de> - 2021-04-17 10:09 +0200
  Re: Static analysis tool? Michael Kellett <mk@mkesc.co.uk> - 2021-04-17 10:45 +0100
  Re: Static analysis tool? David Brown <david.brown@hesbynett.no> - 2021-04-17 12:51 +0200
  Re: Static analysis tool? Dave Nadler <drn@nadler.com> - 2021-04-17 10:34 -0400
    Re: Static analysis tool? Dave Nadler <drn@nadler.com> - 2021-05-02 11:41 -0400
      Re: Static analysis tool? Don Y <blockedofcourse@foo.invalid> - 2021-05-02 08:49 -0700

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