I am normally using valgrind for my c/c++ programs but people have been recommending address sanitizer, so I wanted to test it out, but im having problems linking against it on a redhat system.
I got the following code:
$ cat heap-use-after-free.cpp
int main(int argc, char **argv) {
int *array = new int[100];
delete [] array;
return array[argc]; // BOOM
}
compiling like:
$ g++ -O -g -fsanitize=address heap-use-after-free.cpp
/usr/bin/ld: cannot find /usr/lib64/libasan.so.0.0.0
collect2: error: ld returned 1 exit status
On a redhat where I have installed libasan
sudo yum install libasan
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Package libasan-4.9.2-6.2.el7.x86_64 already installed and latest version
Nothing to do
With the following libasan shared objects:
$ locate libasan
/opt/rh/devtoolset-7/root/usr/lib/gcc/x86_64-redhat-linux/7/32/libasan.a
/opt/rh/devtoolset-7/root/usr/lib/gcc/x86_64-redhat-linux/7/32/libasan.so
/opt/rh/devtoolset-7/root/usr/lib/gcc/x86_64-redhat-linux/7/32/libasan_preinit.o
/usr/lib/gcc/x86_64-redhat-linux/4.8.2/libasan.so
/usr/lib/gcc/x86_64-redhat-linux/4.8.2/libasan_preinit.o
/usr/lib/gcc/x86_64-redhat-linux/4.8.2/32/libasan.a
/usr/lib/gcc/x86_64-redhat-linux/4.8.2/32/libasan.so
/usr/lib/gcc/x86_64-redhat-linux/4.8.2/32/libasan_preinit.o
/usr/lib64/libasan.so.1
/usr/lib64/libasan.so.1.0.0
Can someone point me in the right direction.
Thanks
It looks like it's looking for an earlier version of the library than you have. Try doing this and see what it says:
sudo yum install /usr/lib64/libasan.so.0.0.0
Also, are you sure that your version of the gcc-c++
package is up-to-date?
The version of the libasan
package I have in a CentOS 7 container that works is this: libasan-4.8.5-36.el7_6.2.x86_64
.
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