1 // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1 2 // FileCheck %s <%t.out 3 // RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=poison_in_free=0 %run %t >%t.out 2>&1 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <string.h> 8 9 int main(int argc, char **argv) { 10 char *volatile x = (char*)malloc(50 * sizeof(char)); 11 memset(x, 0, 50); 12 free(x); 13 return x[25]; 14 // CHECK: MemorySanitizer: use-of-uninitialized-value 15 // CHECK: #0 {{.*}} in main{{.*}}poison_in_free.cc:[[@LINE-2]] 16 } 17
