How to use asan with qt creator 5.0.3 ?

Qt embedded developer

is there simple steps to to use asan to use for qt project on linux ?

will this work when i add below sentence

CONFIG+=sanitizer CONFIG+=sanitize_address

into Qt's mkspecs (mkspecs/features/sanitizer.prf and mkspecs/common/sanitize.conf) ?

JoeCFD

@Qt-embedded-developer
I guess it is better to add it into debug only

debug {
    CONFIG+=sanitizer 
    CONFIG+=sanitize_address    
}

SGaist

Hi,

It has nothing to do with Qt Creator, it will depend on your Qt version. Don't modify the mkspecs for that. That's typically flags that you set in your project.

Qt embedded developer

@SGaist My qt version is

Qt Creator 5.0.3
Based on Qt 5.15.2 (GCC 7.3.1 20180303 (Red Hat 7.3.1-5), 64 bit)

So for use asan what i need to do ?

will it work when i add below steps in .pro file ?

CONFIG+=sanitizer CONFIG+=sanitize_address

JoeCFD

@Qt-embedded-developer
I guess it is better to add it into debug only

debug {
    CONFIG+=sanitizer 
    CONFIG+=sanitize_address    
}

Qt embedded developer

@JoeCFD Means if i generate debug build then

if write your mentioned code into .pro file then it will work for whole project.

am i right ?

But will it work when generate release build ? what to do when i want to use it in release mode?

Thanks @sierdzio @JoeCFD and @SGaist

SGaist

@Qt-embedded-developer said in How to use asan with qt creator 5.0.3 ?:

@SGaist My qt version is

Qt Creator 5.0.3
Based on Qt 5.15.2 (GCC 7.3.1 20180303 (Red Hat 7.3.1-5), 64 bit)

This is not your Qt version. These are information about Qt Creator which has nothing to do with the actual version of Qt you are using to build your application.

JoeCFD

@Qt-embedded-developer

On average, the instrumentation increases processing time by about 73% and memory usage by 240%.
from here
https://en.wikipedia.org/wiki/Code_sanitizer
Therefore, I use it only in debug mode, but not in release mode.

Yes, it will be applied for the whole project.

Qt embedded developer

@SGaist then from where i will find information about qt version ?

Qt embedded developer

@Qt-embedded-developer i have find it using

const char *qt_version = qVersion();
qDebug()<<qt_version;

its 5.15.8

SGaist

You are using a Kit to build your application. The kit is associated with a Qt version.