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39bf41f4eb
- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands
90 lines
4 KiB
C
90 lines
4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dce.h"
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#include "libc/fmt/fmt.h"
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#include "libc/intrin/asan.internal.h"
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#include "libc/log/log.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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TEST(asan, test) {
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char *p;
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if (!IsAsan()) return;
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p = gc(malloc(3));
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EXPECT_TRUE(__asan_is_valid(p, 3));
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EXPECT_FALSE(__asan_is_valid(p, 4));
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EXPECT_TRUE(__asan_is_valid(p + 1, 2));
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EXPECT_FALSE(__asan_is_valid(p + 1, 3));
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p = gc(malloc(8 + 3));
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EXPECT_TRUE(__asan_is_valid(p, 8 + 3));
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EXPECT_FALSE(__asan_is_valid(p, 8 + 4));
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EXPECT_TRUE(__asan_is_valid(p + 1, 8 + 2));
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EXPECT_FALSE(__asan_is_valid(p + 1, 8 + 3));
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p = gc(malloc(64 + 3));
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EXPECT_TRUE(__asan_is_valid(p, 64 + 3));
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EXPECT_FALSE(__asan_is_valid(p, 64 + 4));
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EXPECT_TRUE(__asan_is_valid(p + 1, 64 + 2));
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EXPECT_FALSE(__asan_is_valid(p + 1, 64 + 3));
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}
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TEST(asan, testEmptySize_isAlwaysValid) {
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if (!IsAsan()) return;
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EXPECT_TRUE(__asan_is_valid(0, 0));
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EXPECT_TRUE(__asan_is_valid((void *)(intptr_t)-2, 0));
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EXPECT_TRUE(__asan_is_valid((void *)(intptr_t)9999, 0));
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}
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TEST(asan, testBigSize_worksFine) {
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char *p;
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if (!IsAsan()) return;
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p = malloc(64 * 1024);
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EXPECT_TRUE(__asan_is_valid(p, 64 * 1024));
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EXPECT_FALSE(__asan_is_valid(p - 1, 64 * 1024));
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EXPECT_FALSE(__asan_is_valid(p + 1, 64 * 1024));
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EXPECT_TRUE(__asan_is_valid(p + 1, 64 * 1024 - 1));
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free(p);
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}
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TEST(asan, testUnmappedShadowMemory_doesntSegfault) {
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if (!IsAsan()) return;
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EXPECT_FALSE(__asan_is_valid(0, 1));
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EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-1, 1));
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EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-2, 1));
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EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)9999, 1));
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EXPECT_FALSE(__asan_is_valid(0, 7));
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EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-1, 7));
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EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-2, 7));
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EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)9999, 7));
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}
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BENCH(asan, bench) {
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char *p;
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size_t n, m;
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if (!IsAsan()) return;
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m = 4 * 1024 * 1024;
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p = gc(malloc(m));
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EZBENCH_N("__asan_check", 0, __asan_check(p, 0));
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for (n = 2; n <= m; n *= 2) {
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EZBENCH_N("__asan_check", n, __asan_check(p, n));
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}
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}
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