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// 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 a 10-byte region
// CHECK7: Invalid access starting at offset 3
// CHECK7: is located 7 bytes inside a 10-byte region
// CHECK8: Invalid access starting at offset 12
// CHECK8: is located 8 bytes inside a 20-byte region
// CHECK32: is located 12 bytes after a 20-byte region
free(x);
}
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