forked from OSchip/llvm-project
24 lines
754 B
C++
24 lines
754 B
C++
// ASan interceptor can be accessed with __interceptor_ prefix.
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// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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extern "C" void *__interceptor_malloc(size_t size);
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extern "C" void *malloc(size_t size) {
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write(2, "malloc call\n", sizeof("malloc call\n") - 1);
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return __interceptor_malloc(size);
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}
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int main() {
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char *x = (char*)malloc(10 * sizeof(char));
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free(x);
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return (int)strtol(x, 0, 10);
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// CHECK: malloc call
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// CHECK: heap-use-after-free
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}
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