1 // Test that mixing instrumented and non-instrumented code doesn't lead to crash. 2 // Build two modules (one is instrumented, another is not) that have globals 3 // with same names. Check, that ASan doesn't crash with CHECK failure or 4 // false positive global-buffer-overflow due to sanitized library poisons 5 // globals from non-sanitized one. 6 // 7 // RUN: %clangxx_asan -DBUILD_INSTRUMENTED_DSO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %dynamiclib1 8 // RUN: %clangxx -DBUILD_UNINSTRUMENTED_DSO=1 -fPIC -shared %s -o %dynamiclib2 9 // RUN: %clangxx %s -c -mllvm -asan-use-private-alias -o %t.o 10 // RUN: %clangxx_asan %t.o %ld_flags_rpath_exe2 %ld_flags_rpath_exe1 -o %t-EXE 11 // RUN: %run %t-EXE 12 13 #if defined (BUILD_INSTRUMENTED_DSO) 14 long h = 15; 15 long f = 4; 16 long foo(long *p) { 17 return *p; 18 } 19 #elif defined (BUILD_UNINSTRUMENTED_DSO) 20 long foo(long *); 21 long h = 12; 22 long i = 13; 23 long f = 5; 24 25 int bar() { 26 if (foo(&f) != 5 || foo(&h) != 12 || foo(&i) != 13) 27 return 1; 28 return 0; 29 } 30 #else 31 extern int bar(); 32 33 int main() { 34 return bar(); 35 } 36 #endif 37