llvm-project/compiler-rt/test/asan/TestCases/strspn-1.c

21 lines
616 B
C

// Test string s1 overflow in strspn function
// RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s
// Test intercept_strspn asan option
// RUN: %env_asan_opts=intercept_strspn=false %run %t 2>&1
#include <assert.h>
#include <string.h>
#include <sanitizer/asan_interface.h>
int main(int argc, char **argv) {
size_t r;
char s2[] = "ab";
char s1[4] = "acb";
__asan_poison_memory_region ((char *)&s1[2], 2);
r = strspn(s1, s2);
// CHECK:'s1'{{.*}} <== Memory access at offset {{[0-9]+}} partially overflows this variable
assert(r == 1);
return 0;
}