[llvm-bugs] [Bug 32210] False sanitizer positive with strcmp() and strict_string_checking=1

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Mar 24 14:44:15 PDT 2017


Kostya Serebryany <kcc at google.com> changed:

           What    |Removed                     |Added
         Resolution|---                         |WONTFIX
             Status|NEW                         |RESOLVED

--- Comment #3 from Kostya Serebryany <kcc at google.com> ---
(In reply to Franz Sirl from comment #2)
> If that's the intention of this flag, that's fine.

It is. 

> But it also means strict_string_checks=1 is unusable for our codebase, since

That's fine. The flag is not enabled by default for exactly this reason. 

> all reports here were "false" positives related to strcmp(), often simple
> stuff like strcmp(ptr, "conststring"). And if really something fishy would
> go on at these code locations, the normal address sanitizer would report it.
> Thanks for your explanation.

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