| 1 | // Test string s1 overflow in strcspn function |
|---|
| 2 | // RUN: %clang_asan %s -o %t && %env_asan_opts=strict_string_checks=true not %run %t 2>&1 | FileCheck %s |
|---|
| 3 | |
|---|
| 4 | // Test intercept_strspn asan option |
|---|
| 5 | // RUN: %env_asan_opts=intercept_strspn=false %run %t 2>&1 |
|---|
| 6 | |
|---|
| 7 | #include <assert.h> |
|---|
| 8 | #include <string.h> |
|---|
| 9 | #include <sanitizer/asan_interface.h> |
|---|
| 10 | |
|---|
| 11 | int main(int argc, char **argv) { |
|---|
| 12 | size_t r; |
|---|
| 13 | char s2[] = "ab" ; |
|---|
| 14 | char s1[4] = "caB" ; |
|---|
| 15 | __asan_poison_memory_region (addr: (char *)&s1[2], size: 2); |
|---|
| 16 | r = strcspn(s: s1, reject: s2); |
|---|
| 17 | // CHECK:'s1'{{.*}} <== Memory access at offset {{[0-9]+}} partially overflows this variable |
|---|
| 18 | assert(r == 1); |
|---|
| 19 | return 0; |
|---|
| 20 | } |
|---|
| 21 | |
|---|
