1 // If user provides his own libc functions, ASan doesn't 2 // intercept these functions. 3 4 // RUN: %clangxx_asan -O0 %s -o %t && %run %t 2>&1 | FileCheck %s 5 // RUN: %clangxx_asan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 6 // RUN: %clangxx_asan -O2 %s -o %t && %run %t 2>&1 | FileCheck %s 7 // RUN: %clangxx_asan -O3 %s -o %t && %run %t 2>&1 | FileCheck %s 8 // On Windows, defining strtoll results in linker errors. 9 // XFAIL: freebsd,win32 10 #include <stdlib.h> 11 #include <stdio.h> 12 13 extern "C" long strtol(const char *nptr, char **endptr, int base) { 14 fprintf(stderr, "my_strtol_interceptor\n"); 15 return 0; 16 } 17 18 int main() { 19 char *x = (char*)malloc(10 * sizeof(char)); 20 free(x); 21 return (int)strtol(x, 0, 10); 22 // CHECK: my_strtol_interceptor 23 // CHECK-NOT: heap-use-after-free 24 } 25
