23 lines
594 B
C++
23 lines
594 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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// REQUIRES: stable-runtime
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#include <assert.h>
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#include <stdint.h>
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__attribute__((noinline)) void foo(int index, int len) {
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if (index > len) {
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char str[len]; //NOLINT
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assert(!(reinterpret_cast<uintptr_t>(str) & 31L));
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str[index] = '1'; // BOOM
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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 1 at [[ADDR]] thread T0
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}
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}
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int main(int argc, char **argv) {
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foo(33, 10);
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return 0;
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}
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