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| author | W. Felix Handte <w@felixhandte.com> | 2018-03-21 11:21:07 -0400 |
|---|---|---|
| committer | W. Felix Handte <w@felixhandte.com> | 2018-04-19 20:54:35 -0400 |
| commit | a992d11fc2204b7cb0a70962aa5911a58ed4918c (patch) | |
| tree | 2b029146f0c845b03fbc0e456befdb3288f8e9e3 /lib/lz4hc.c | |
| parent | f895b9a6c69a059e62de8baca39b878ed1031418 (diff) | |
| download | lz4-a992d11fc2204b7cb0a70962aa5911a58ed4918c.tar.gz | |
Fully Bounds Check Hash Table Reads
Diffstat (limited to 'lib/lz4hc.c')
| -rw-r--r-- | lib/lz4hc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/lz4hc.c b/lib/lz4hc.c index 12d26c30..6890613e 100644 --- a/lib/lz4hc.c +++ b/lib/lz4hc.c @@ -222,7 +222,7 @@ LZ4HC_InsertAndGetWiderMatch ( DEBUGLOG(7, "First match at index %u / %u (lowLimit)", matchIndex, lowLimit); - while ((matchIndex>=lowLimit) && (nbAttempts)) { + while ((matchIndex>=lowLimit) && (matchIndex < (ip - base)) && (nbAttempts)) { DEBUGLOG(7, "remaining attempts : %i", nbAttempts); nbAttempts--; if (matchIndex >= dictLimit) { @@ -286,7 +286,7 @@ LZ4HC_InsertAndGetWiderMatch ( matchIndex -= (U32)backLength; /* let's go to farthest segment position, will find a match of length currentSegmentLength + maybe some back */ } } } } } - } /* while ((matchIndex>=lowLimit) && (nbAttempts)) */ + } /* while ((matchIndex>=lowLimit) && (matchIndex < (ip - base)) && (nbAttempts)) */ return longest; } |