From f132b8257100877dcabdcef10051adccbc33d6f9 Mon Sep 17 00:00:00 2001 From: Christos Zoulas Date: Tue, 20 Dec 2016 03:15:16 +0000 Subject: [PATCH] make sure we don't exceed the array sie if nbytes is odd. Found by oss-fuzz --- src/softmagic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/softmagic.c b/src/softmagic.c index 0e9d433d..2543dfec 100644 --- a/src/softmagic.c +++ b/src/softmagic.c @@ -32,7 +32,7 @@ #include "file.h" #ifndef lint -FILE_RCSID("@(#)$File: softmagic.c,v 1.238 2016/10/24 18:02:17 christos Exp $") +FILE_RCSID("@(#)$File: softmagic.c,v 1.239 2016/12/20 03:15:16 christos Exp $") #endif /* lint */ #include "magic.h" @@ -1260,7 +1260,8 @@ mcopy(struct magic_set *ms, union VALUETYPE *p, int type, int indir, if (*dst == '\0') { if (type == FILE_BESTRING16 ? *(src - 1) != '\0' : - *(src + 1) != '\0') + ((src + 1 < esrc) && + *(src + 1) != '\0')) *dst = ' '; } } -- 2.50.1