From: Yann Collet <yann.collet.73@gmail.com>
Date: Sat, 8 Feb 2025 06:47:57 +0000 (-0800)
Subject: fix boundary condition
X-Git-Tag: v1.5.7^2~4^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5e4698267b970545c349b3ed30a9168bcd165c3;p=thirdparty%2Fzstd.git

fix boundary condition
---

diff --git a/lib/compress/zstd_ldm.c b/lib/compress/zstd_ldm.c
index e85e904da..aa5743c5c 100644
--- a/lib/compress/zstd_ldm.c
+++ b/lib/compress/zstd_ldm.c
@@ -144,8 +144,7 @@ void ZSTD_ldm_adjustParameters(ldmParams_t* params,
         params->hashRateLog = 7 - (cParams->strategy/3);
     }
     if (params->hashLog == 0) {
-        params->hashLog = MAX(ZSTD_HASHLOG_MIN, params->windowLog - params->hashRateLog);
-        assert(params->hashLog <= ZSTD_HASHLOG_MAX);
+        params->hashLog = MIN(MAX(ZSTD_HASHLOG_MIN, params->windowLog - params->hashRateLog), ZSTD_HASHLOG_MAX);
     }
     if (params->minMatchLength == 0) {
         params->minMatchLength = (params->hashRateLog < 6) ?