forked from OSchip/llvm-project
31 lines
717 B
C++
31 lines
717 B
C++
// RUN: %clangxx_asan -O0 -mllvm -asan-instrument-dynamic-allocas %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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//
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// This is reduced testcase based on Chromium code.
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// See http://reviews.llvm.org/D6055?vs=on&id=15616&whitespace=ignore-all#toc.
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#include <stdint.h>
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#include <assert.h>
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int a = 7;
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int b;
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int c;
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int *p;
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__attribute__((noinline)) void fn3(int *first, int second) {
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}
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int main() {
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int d = b && c;
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int e[a]; // NOLINT
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assert(!(reinterpret_cast<uintptr_t>(e) & 31L));
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int f;
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if (d)
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fn3(&f, sizeof 0 * (&c - e));
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e[a] = 0;
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// CHECK: ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
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// CHECK: WRITE of size 4 at [[ADDR]] thread T0
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return 0;
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}
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