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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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109
test/hotspot/gtest/runtime/test_procMapsParser_linux.cpp Normal file
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/*
* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifdef LINUX
#include "procMapsParser.hpp"
#include "unittest.hpp"
#include <stdio.h>
TEST(ProcSmapsParserTest, ParseMappings) {
const char* smaps_content =
"7f5a00000000-7f5a00001000 r--p 00000000 00:00 0 [anon]\n"
"Size: 4 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Rss: 0 kB\n"
"Pss: 0 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"LazyFree: 0 kB\n"
"AnonHugePages: 0 kB\n"
"ShmemPmdMapped: 0 kB\n"
"FilePmdMapped: 0 kB\n"
"Shared_Hugetlb: 0 kB\n"
"Private_Hugetlb: 0 kB\n"
"Swap: 0 kB\n"
"SwapPss: 0 kB\n"
"Locked: 0 kB\n"
"THPeligible: 0\n"
"VmFlags: rd mr mw me ac \n"
"7f5a00001000-7f5a00002000 rw-p 00000000 00:00 0 [anon]\n"
"Size: 4 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Rss: 4 kB\n"
"Pss: 4 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 4 kB\n"
"Referenced: 4 kB\n"
"Anonymous: 4 kB\n"
"LazyFree: 0 kB\n"
"AnonHugePages: 0 kB\n"
"ShmemPmdMapped: 0 kB\n"
"FilePmdMapped: 0 kB\n"
"Shared_Hugetlb: 0 kB\n"
"Private_Hugetlb: 0 kB\n"
"Swap: 0 kB\n"
"SwapPss: 0 kB\n"
"Locked: 0 kB\n"
"THPeligible: 0\n"
"VmFlags: rd wr mr mw me ac \n";
FILE* f = fmemopen((void*)smaps_content, strlen(smaps_content), "r");
ASSERT_TRUE(f != nullptr);
ProcSmapsParser parser(f);
ProcSmapsInfo info;
// First mapping
ASSERT_TRUE(parser.parse_next(info));
EXPECT_EQ((uintptr_t)info.from, 0x7f5a00000000ULL);
EXPECT_EQ((uintptr_t)info.to, 0x7f5a00001000ULL);
EXPECT_STREQ(info.prot, "r--p");
EXPECT_TRUE(info.rd);
EXPECT_FALSE(info.wr);
// Second mapping
ASSERT_TRUE(parser.parse_next(info));
EXPECT_EQ((uintptr_t)info.from, 0x7f5a00001000ULL);
EXPECT_EQ((uintptr_t)info.to, 0x7f5a00002000ULL);
EXPECT_STREQ(info.prot, "rw-p");
EXPECT_TRUE(info.rd);
EXPECT_TRUE(info.wr);
// End of file
ASSERT_FALSE(parser.parse_next(info));
fclose(f);
}
#endif // LINUX