32 lines
954 B
C++
32 lines
954 B
C++
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// RUN: %clang_cl_asan -O0 %s -Fe%t
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// RUN: not %run %t 2>&1 | FileCheck %s
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#include <stdio.h>
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#include <string.h>
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void call_memcpy(void* (*f)(void *, const void *, size_t),
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void *a, const void *b, size_t c) {
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f(a, b, c);
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}
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int main() {
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char buff1[6] = "Hello", buff2[5];
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call_memcpy(&memcpy, buff2, buff1, 5);
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if (buff1[2] != buff2[2])
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return 2;
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printf("Initial test OK\n");
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fflush(0);
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// CHECK: Initial test OK
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call_memcpy(&memcpy, buff2, buff1, 6);
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// CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
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// CHECK: WRITE of size 6 at [[ADDR]] thread T0
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// CHECK-NEXT: __asan_{{.*}}mem{{.*}}
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// CHECK-NEXT: call_mem{{.*}}
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// CHECK-NEXT: main {{.*}}intercept_memcpy.cc:[[@LINE-5]]
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// CHECK: Address [[ADDR]] is located in stack of thread T0 at offset {{.*}} in frame
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// CHECK-NEXT: #0 {{.*}} main
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// CHECK: 'buff2'{{.*}} <== Memory access at offset {{.*}} overflows this variable
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}
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