forked from OSchip/llvm-project
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
// Test that large memset/memcpy/memmove check the entire range.
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// RUN: %clangxx_asan -O0 -DTEST_MEMSET %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
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// RUN: %clangxx_asan -O1 -DTEST_MEMSET %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
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// RUN: %clangxx_asan -O2 -DTEST_MEMSET %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
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// RUN: %clangxx_asan -O3 -DTEST_MEMSET %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
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// RUN: %clangxx_asan -O0 -DTEST_MEMCPY %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
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// RUN: %clangxx_asan -O1 -DTEST_MEMCPY %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
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// RUN: %clangxx_asan -O2 -DTEST_MEMCPY %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
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// RUN: %clangxx_asan -O3 -DTEST_MEMCPY %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
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// RUN: %clangxx_asan -O0 -DTEST_MEMMOVE %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
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// RUN: %clangxx_asan -O1 -DTEST_MEMMOVE %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
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// RUN: %clangxx_asan -O2 -DTEST_MEMMOVE %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
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// RUN: %clangxx_asan -O3 -DTEST_MEMMOVE %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
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// RUN: %clangxx_asan -O2 -DTEST_MEMCPY_SIZE_OVERFLOW %s -o %t && not %t 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY_SIZE_OVERFLOW
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sanitizer/asan_interface.h>
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typedef void *(*memcpy_t)(void *, const void *, size_t);
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int main(int argc, char **argv) {
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char * volatile p = (char *)malloc(3000);
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__asan_poison_memory_region(p + 512, 16);
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#if defined(TEST_MEMSET)
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memset(p, 0, 3000);
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assert(p[1] == 0);
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// CHECK-MEMSET: AddressSanitizer: use-after-poison on address
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// CHECK-MEMSET: in {{.*}}memset
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#else
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char * volatile q = (char *)malloc(3000);
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#if defined(TEST_MEMCPY)
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memcpy(q, p, 3000);
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// CHECK-MEMCPY: AddressSanitizer: use-after-poison on address
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// On Mac, memmove and memcpy are the same. Accept either one.
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// CHECK-MEMCPY: in {{.*(memmove|memcpy)}}
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#elif defined(TEST_MEMMOVE)
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memmove(q, p, 3000);
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// CHECK-MEMMOVE: AddressSanitizer: use-after-poison on address
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// CHECK-MEMMOVE: in {{.*(memmove|memcpy)}}
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#elif defined(TEST_MEMCPY_SIZE_OVERFLOW)
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volatile memcpy_t my_memcpy = &memcpy;
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my_memcpy(p, q, -argc);
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// CHECK-MEMCPY_SIZE_OVERFLOW: AddressSanitizer: negative-size-param: (size=-1)
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#endif
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assert(q[1] == 0);
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free(q);
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#endif
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free(p);
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return 0;
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}
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