Fix unintended high memory usage

2026-03-17 13:11:22 -07:00
parent e56865641e
commit cef5a5611a
2 changed files with 36 additions and 1 deletions
@@ -152,7 +152,11 @@ void ZSTD_ldm_adjustParameters(ldmParams_t* params,
        }
    }
    if (params->hashLog == 0) {
-        params->hashLog = BOUNDED(ZSTD_HASHLOG_MIN, params->windowLog - params->hashRateLog, ZSTD_HASHLOG_MAX);
+        if (params->windowLog <= params->hashRateLog) {
+            params->hashLog = ZSTD_HASHLOG_MIN;
+        } else {
+            params->hashLog = BOUNDED(ZSTD_HASHLOG_MIN, params->windowLog - params->hashRateLog, ZSTD_HASHLOG_MAX);
+        }
    }
    if (params->minMatchLength == 0) {
        params->minMatchLength = LDM_MIN_MATCH_LENGTH;