https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64234
lo1ol <mkh199740 at mail dot ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mkh199740 at mail dot ru
--- Comment #6 from lo1ol <mkh199740 at mail dot ru> ---
I've the same problem when try to link at runtime shared library compiled with
static asan. Here is minimal example:
echo '
#include <stdlib.h>
#include <stdio.h>
void f(){
int* x = new int;
printf("kek\n");
}' > lib.cpp
echo '
#include <dlfcn.h>
#include <stdio.h>
int main() {
printf("lol\n");
void* handler = dlopen("./libkek.so", RTLD_NOW);
if (!handler)
return 1;
void (* func)() = reinterpret_cast<void(*)()>(dlsym(handler, "_Z1fv"));
printf("kek\n");
func();
printf("cheburek\n");
}' > main.cpp
g++ -fsanitize=address -static-libasan -static-libstdc++ -static-libgcc -fPIC
-shared lib.cpp -o libkek.so
g++ -fsanitize=address -static-libasan -static-libstdc++ -static-libgcc -ldl
main.cpp
LD_DEBUG=libs ./a.out; echo $?
Part of the output:
...
347802: initialize program: ./a.out
347802:
347802:
347802: transferring control: ./a.out
347802:
lol
347802: ./libkek.so: error: symbol lookup error: undefined symbol:
__asan_unregister_globals (fatal)
347802:
347802: calling fini: ./a.out [0]
347802:
347802:
347802: calling fini: /lib/x86_64-linux-gnu/libm.so.6 [0]
347802:
With clang everything is ok....
GCC version 12.1
System: Ubuntu 21.10
