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// Test that small memcpy works correctly.
// RUN: %clangxx_asan %s -o %t
// RUN: not %run %t 8 24 2>&1 | FileCheck %s --check-prefix=CHECK
// RUN: not %run %t 16 32 2>&1 | FileCheck %s --check-prefix=CHECK
// RUN: not %run %t 24 40 2>&1 | FileCheck %s --check-prefix=CHECK
// RUN: not %run %t 32 48 2>&1 | FileCheck %s --check-prefix=CHECK
// RUN: not %run %t 40 56 2>&1 | FileCheck %s --check-prefix=CHECK
// RUN: not %run %t 48 64 2>&1 | FileCheck %s --check-prefix=CHECK
// REQUIRES: shadow-scale-3
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sanitizer/asan_interface.h>
int main(int argc, char **argv) {
assert(argc == 3);
size_t poison_from = atoi(argv[1]);
size_t poison_to = atoi(argv[2]);
assert(poison_from <= poison_to);
char A1[64], A2[64];
fprintf(stderr, "%zd %zd\n", poison_from, poison_to - poison_from);
__asan_poison_memory_region(&A1[0] + poison_from, poison_to - poison_from);
memcpy(A1, A2, sizeof(A1));
// CHECK: AddressSanitizer: use-after-poison
return 0;
}
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