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https://github.com/SerenityOS/serenity
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37 lines
932 B
C++
37 lines
932 B
C++
/*
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* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Format.h>
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#include <LibTest/TestCase.h>
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// Note: Needs to be 'noinline' so stack canary isn't optimized out.
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static void __attribute__((noinline)) smasher(char* string)
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{
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Warray-bounds"
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for (int i = 0; i < 256; i++) {
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string[i] = 'A';
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}
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#pragma GCC diagnostic pop
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}
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// Note: Needs to be 'noinline' so stack canary isn't optimized out.
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static void __attribute__((noinline)) stack_to_smash()
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{
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char string[8] = {};
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smasher(string);
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}
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TEST_CASE(stack_smash)
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{
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EXPECT_CRASH("Smash the stack and trigger __stack_chk_fail", [] {
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outln("[+] Starting the stack smash...");
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stack_to_smash();
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outln("[+] Stack smash wasn't detected!");
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return Test::Crash::Failure::DidNotCrash;
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});
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}
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