From: ihsinme <61293369+ihsinme@users.noreply.github.com>
Date: Sun, 13 Dec 2020 09:08:31 +0000 (+0300)
Subject: fix Integer Overflow
X-Git-Tag: v1.4.7~2^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2424%2Fhead;p=thirdparty%2Fzstd.git

fix Integer Overflow
---

diff --git a/programs/dibio.c b/programs/dibio.c
index 463095a8e..cb3829e3e 100644
--- a/programs/dibio.c
+++ b/programs/dibio.c
@@ -301,7 +301,7 @@ int DiB_trainFromFiles(const char* dictFileName, unsigned maxDictSize,
         DISPLAYLEVEL(2, "!  Alternatively, split files into fixed-size blocks representative of samples, with -B# \n");
         EXM_THROW(14, "nb of samples too low");   /* we now clearly forbid this case */
     }
-    if (fs.totalSizeToLoad < (unsigned long long)(8 * maxDictSize)) {
+    if (fs.totalSizeToLoad < (unsigned long long)maxDictSize * 8) {
         DISPLAYLEVEL(2, "!  Warning : data size of samples too small for target dictionary size \n");
         DISPLAYLEVEL(2, "!  Samples should be about 100x larger than target dictionary size \n");
     }