21 lines · c
1// Test stopset overflow in strcspn function2// RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s3 4// Test intercept_strcspn asan option5// RUN: %env_asan_opts=intercept_strspn=false %run %t 2>&16 7#include <assert.h>8#include <string.h>9#include <sanitizer/asan_interface.h>10 11int main(int argc, char **argv) {12 size_t r;13 char s1[] = "ab";14 char s2[4] = "abc";15 __asan_poison_memory_region ((char *)&s2[2], 2);16 r = strcspn(s1, s2);17 // CHECK:'s2'{{.*}} <== Memory access at offset {{[0-9]+}} partially overflows this variable18 assert(r == 0);19 return 0;20}21