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c9395d7e9a
Previously unmapping any offset starting at 0x0 would assert in the kernel, add a regression test to validate the fix. Co-authored-by: Federico Guerinoni <guerinoni.federico@gmail.com>
17 lines
368 B
C++
17 lines
368 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 <LibTest/TestCase.h>
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#include <errno.h>
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#include <sys/mman.h>
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TEST_CASE(munmap_zero_page)
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{
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// munmap of the unmapped zero page should always fail.
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auto res = munmap(0x0, 0xF);
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EXPECT_EQ(res, -1);
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EXPECT_EQ(errno, EINVAL);
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}
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