Address sanitizer ignorelist not working with visual studio 2019

Question

Address sanitizer ignorelist not working with visual studio 2019

Pradeep K 1

I'm trying to use address-sanitizer with visual studio 2019 (version 16.9.2).
I would like to ignore some of the errors generated by address-sanitizer as they are emitted from external libraries.
When I use /fsanitize-ignorelist=D:\asan_blacklist.txt in
Configuration Properties->C/C++->Command Line->Additional Options
/fsanitize-ignorelist=D:\asan_blacklist.txt
Then I get following error message
command line warning D9002: ignoring unknown option '/fsanitize-ignorelist=D:\asan_blacklist.txt'

I've also tried /fsanitize-blacklist=D:\asan_blacklist.txt option but no luck.

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Answer 1

YujianYao-MSFT 4,296 Microsoft External Staff

Hi @Pradeep K .

I suggest you try to use /fsanitize-ignorelist through the developer command prompt, you can refer to the method in this document on how to use it.

It is worth mentioning that you need to use the cd command to enter the file directory where .cpp is located.

Best regards,

Elya

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Pradeep K 1 Reputation point

2023-01-06T12:16:22.593+00:00

HI @YujianYao-MSFT

Thanks for the suggestion. I will try it however I would like to enable the options at project level, as I'm using visual-studio build to
create executable and libraries.
One would expect to have same behavior from command line and Configuration Properties->C/C++->Command Line->Additional Options
The explicit command line option might work, in the end I would like to use the option visual-studio for complete project.

Kind regards,
Pradeep
YujianYao-MSFT 4,296 Reputation points Microsoft External Staff

2023-01-09T08:42:05.783+00:00

Hi @Pradeep K ,

I suggest you try to change the command to -fsanitize-ignorelist=.../Zi.

Sample:
Pradeep K 1 Reputation point

2023-01-10T14:16:17.827+00:00

I tried as you suggested -fsanitize-ignorelist=asan_ignorelist.txt /Zi. However it is not working. I also moved file asan_ignorelist.txt file in same directory as executable. Interestingly -fasnitize=address /Zi works also in additional options
YujianYao-MSFT 4,296 Reputation points Microsoft External Staff

2023-01-12T07:32:06.37+00:00

Hi @Pradeep K ,

Could you please tell me where /fsanitize-ignorelist comes from? I don't see it in this document.
risuwwv 0 Reputation points

2023-03-28T02:59:44.5966667+00:00

I think it is probably from the equivalent page on Clang: https://clang.llvm.org/docs/SanitizerSpecialCaseList.html. At least I ended up here when looking for similar feature on Visual Studio.

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Address sanitizer ignorelist not working with visual studio 2019

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