33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
// RUN: %clang_hwasan %s -o %t
|
|
// RUN: not %run %t 5 10 2>&1 | FileCheck %s --check-prefix=CHECK5
|
|
// RUN: not %run %t 7 10 2>&1 | FileCheck %s --check-prefix=CHECK7
|
|
// RUN: not %run %t 8 20 2>&1 | FileCheck %s --check-prefix=CHECK8
|
|
// RUN: not %run %t 32 20 2>&1 | FileCheck %s --check-prefix=CHECK32
|
|
|
|
// REQUIRES: stable-runtime
|
|
|
|
#include <sanitizer/hwasan_interface.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
int main(int argc, char **argv) {
|
|
__hwasan_enable_allocator_tagging();
|
|
if (argc < 2) {
|
|
fprintf(stderr, "Invalid number of arguments.");
|
|
abort();
|
|
}
|
|
int read_offset = argc < 2 ? 5 : atoi(argv[1]);
|
|
int size = argc < 3 ? 10 : atoi(argv[2]);
|
|
char *volatile x = (char *)malloc(size);
|
|
memset(x + read_offset, 0, 26);
|
|
// CHECK5: Invalid access starting at offset 5
|
|
// CHECK5: is located 5 bytes inside 10-byte region
|
|
// CHECK7: Invalid access starting at offset 3
|
|
// CHECK7: is located 7 bytes inside 10-byte region
|
|
// CHECK8: Invalid access starting at offset 12
|
|
// CHECK8: is located 8 bytes inside 20-byte region
|
|
// CHECK32: is located 12 bytes to the right of 20-byte region
|
|
free(x);
|
|
}
|