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Make numerous improvements

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- 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
This commit is contained in:
Justine Tunney 2021-09-27 22:58:51 -07:00
parent fa7b4f5bd1
commit 39bf41f4eb
806 changed files with 77494 additions and 63859 deletions
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48
test/libc/intrin/asan_test.c
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@ -17,8 +17,14 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/asan.internal.h"
#include "libc/log/log.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
TEST(asan, test) {
@ -40,3 +46,45 @@ TEST(asan, test) {
EXPECT_TRUE(__asan_is_valid(p + 1, 64 + 2));
EXPECT_FALSE(__asan_is_valid(p + 1, 64 + 3));
}
TEST(asan, testEmptySize_isAlwaysValid) {
if (!IsAsan()) return;
EXPECT_TRUE(__asan_is_valid(0, 0));
EXPECT_TRUE(__asan_is_valid((void *)(intptr_t)-2, 0));
EXPECT_TRUE(__asan_is_valid((void *)(intptr_t)9999, 0));
}
TEST(asan, testBigSize_worksFine) {
char *p;
if (!IsAsan()) return;
p = malloc(64 * 1024);
EXPECT_TRUE(__asan_is_valid(p, 64 * 1024));
EXPECT_FALSE(__asan_is_valid(p - 1, 64 * 1024));
EXPECT_FALSE(__asan_is_valid(p + 1, 64 * 1024));
EXPECT_TRUE(__asan_is_valid(p + 1, 64 * 1024 - 1));
free(p);
}
TEST(asan, testUnmappedShadowMemory_doesntSegfault) {
if (!IsAsan()) return;
EXPECT_FALSE(__asan_is_valid(0, 1));
EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-1, 1));
EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-2, 1));
EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)9999, 1));
EXPECT_FALSE(__asan_is_valid(0, 7));
EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-1, 7));
EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)-2, 7));
EXPECT_FALSE(__asan_is_valid((void *)(intptr_t)9999, 7));
}
BENCH(asan, bench) {
char *p;
size_t n, m;
if (!IsAsan()) return;
m = 4 * 1024 * 1024;
p = gc(malloc(m));
EZBENCH_N("__asan_check", 0, __asan_check(p, 0));
for (n = 2; n <= m; n *= 2) {
EZBENCH_N("__asan_check", n, __asan_check(p, n));
}
}