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slide_hash: add MSAN annotation to suppress known read from uninitialised memory #561

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slide_hash: add MSAN annotation to suppress known read from uninitialised memory #561

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5 changes: 5 additions & 0 deletions deflate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -201,6 +201,11 @@ local const config configuration_table[10] = {
* bit values at the expense of memory usage). We slide even when level == 0 to
* keep the hash table consistent if we switch back to level > 0 later.
*/
#if defined(__has_feature)
# if __has_feature(memory_sanitizer)
__attribute__((no_sanitize("memory")))
# endif
#endif
local void slide_hash(s)
deflate_state *s;
{
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