forked from OSchip/llvm-project
28 lines
752 B
C++
28 lines
752 B
C++
// 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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#include <malloc.h>
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int main() {
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char *ptr = _strdup("Hello");
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int subscript = 1;
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ptr[subscript] = '3';
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printf("%s\n", ptr);
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fflush(0);
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// CHECK: H3llo
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subscript = -1;
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ptr[subscript] = 42;
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// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
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// CHECK: WRITE of size 1 at [[ADDR]] thread T0
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// CHECK: {{#0 .* main .*}}intercept_strdup.cc:[[@LINE-3]]
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// CHECK: [[ADDR]] is located 1 bytes to the left of 6-byte region
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// CHECK: allocated by thread T0 here:
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// CHECK: {{#0 .* malloc }}
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// CHECK: {{#1 .*strdup}}
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// CHECK: {{#2 .* main .*}}intercept_strdup.cc:[[@LINE-16]]
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free(ptr);
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}
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