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Don't Try to Redzone the Tables

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This commit is contained in:
W. Felix Handte 2019-09-16 17:56:28 -04:00
parent 0cc481ef66
commit a07037b784
1 changed files with 0 additions and 8 deletions
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8
lib/compress/zstd_cwksp.h
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@ -289,11 +289,6 @@ MEM_STATIC void* ZSTD_cwksp_reserve_table(ZSTD_cwksp* ws, size_t bytes) {
void* end = (BYTE *)alloc + bytes; void* end = (BYTE *)alloc + bytes;
void* top = ws->allocStart; void* top = ws->allocStart;
#if defined (ADDRESS_SANITIZER) && !defined (ZSTD_ASAN_DONT_POISON_WORKSPACE)
/* over-reserve space */
end = (BYTE *)end + 2 * ZSTD_CWKSP_ASAN_REDZONE_SIZE;
#endif
DEBUGLOG(5, "cwksp: reserving %p table %zd bytes, %zd bytes remaining", DEBUGLOG(5, "cwksp: reserving %p table %zd bytes, %zd bytes remaining",
alloc, bytes, ZSTD_cwksp_available_space(ws) - bytes); alloc, bytes, ZSTD_cwksp_available_space(ws) - bytes);
assert((bytes & (sizeof(U32)-1)) == 0); assert((bytes & (sizeof(U32)-1)) == 0);
@ -308,9 +303,6 @@ MEM_STATIC void* ZSTD_cwksp_reserve_table(ZSTD_cwksp* ws, size_t bytes) {
ws->tableEnd = end; ws->tableEnd = end;
#if defined (ADDRESS_SANITIZER) && !defined (ZSTD_ASAN_DONT_POISON_WORKSPACE) #if defined (ADDRESS_SANITIZER) && !defined (ZSTD_ASAN_DONT_POISON_WORKSPACE)
/* Move alloc so there's ZSTD_CWKSP_ASAN_REDZONE_SIZE unused space on
* either size. */
alloc = (BYTE *)alloc + ZSTD_CWKSP_ASAN_REDZONE_SIZE;
__asan_unpoison_memory_region(alloc, bytes); __asan_unpoison_memory_region(alloc, bytes);
#endif #endif