// RUN: %clang_asan -O2 %s -o %t // We need replace_str=0, intercept_strlen=0 and replace_intrin=0 to avoid // reporting errors in strlen() and memcpy() called by printf(). // RUN: %env_asan_opts=replace_str=0:intercept_strlen=0:replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s // RUN: %env_asan_opts=replace_str=0:intercept_strlen=0:replace_intrin=0:check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s // RUN: %env_asan_opts=replace_str=0:intercept_strlen=0:replace_intrin=0 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s // FIXME: printf is not intercepted on Windows yet. // XFAIL: windows-msvc #include #include #include int main() { volatile char c = '0'; volatile int x = 12; volatile float f = 1.239; volatile char s[] = "34"; char *p = strdup((const char *)s); free(p); printf("%c %d %.3f %s\n", c, x, f, p); return 0; // Check that %s is sanitized. // CHECK-ON: heap-use-after-free // CHECK-ON-NOT: 0 12 1.239 34 // CHECK-OFF: 0 12 1.239 }