libclamav: matcher-bm: fix scan boundary

git-svn: trunk@716
21 years ago · 621939fadb
parent 85dd846059
commit 621939fadb
2 changed files with 5 additions and 1 deletions
--- a/clamav-devel/ChangeLog
+++ b/clamav-devel/ChangeLog
@ -1,3 +1,7 @@
+Tue Aug  3 02:03:17 CEST 2004 (tk)
+----------------------------------
+  * libclamav: matcher-bm: fix scan boundary
+
 Mon Aug  2 19:03:33 CEST 2004 (tk)
 ----------------------------------
  * libclamav: pe: integrate Petite unpacker from aCaB (not yet activated)
--- a/clamav-devel/libclamav/matcher-bm.c
+++ b/clamav-devel/libclamav/matcher-bm.c
@ -125,7 +125,7 @@ int cli_bm_scanbuff(const char *buffer, unsigned int length, const char **virnam
 	char prefix;


-    for(i = BM_MIN_LENGTH - BM_BLOCK_SIZE; i < length; ) {
+    for(i = BM_MIN_LENGTH - BM_BLOCK_SIZE; i < length - BM_BLOCK_SIZE + 1; ) {
 	idx = 211 * ((unsigned char) buffer[i]) + 37 * ((unsigned char) buffer[i + 1]) + (unsigned char) buffer[i + 2];

 	shift = root->bm_shift[idx];