On 7/2/20 8:12 AM, Harshit Sharma wrote:
Thanks Martin. I liked your idea of using
__builtin___asan_version_mismatch_check_v8().
But now, I am getting a compile error. ( error: implicit declaration of
function '__builtin___asan_version_mismatch_check_v8'; )
It means the reference to this function is not resolved. So, I guess gcc is not
emitting this function.
The function is defined in libasan.so in libsanitizer/asan/asan_rtl.cpp.
What could be the issue here? Btw I am using fsanitize=kernel-address for my
project. Even if I use fsanitize=address, the reference to
this function will not be resolved.
For kernel-address, there's no run-time provided by GCC and so that the call to
__builtin___asan_version_mismatch_check_v8
is not emitted.
You may change the emission and do it also for kernel-address where you'll
define the symbol in kernel source code.
Martin
