From 8616080aecf07436e80a27f68c336382c1d1c22d Mon Sep 17 00:00:00 2001

From: Christos Zoulas <christos@zoulas.com>

Date: Sat, 9 Jun 2018 16:00:06 +0000

Subject: [PATCH] Avoid reading past the end of buffer (Rui Reis)

Upstream-commit: a642587a9c9e2dd7feacdf513c3643ce26ad3c22

Signed-off-by: Kamil Dudka <kdudka@redhat.com>

---

 src/readelf.c | 3 ++-

 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/readelf.c b/src/readelf.c

index 3df0836..d96a538 100644

--- a/src/readelf.c

+++ b/src/readelf.c

@@ -825,7 +825,8 @@ do_core_note(struct magic_set *ms, unsigned char *nbuf, uint32_t type,

 				cname = (unsigned char *)

 				    &nbuf[doff + prpsoffsets(i)];

-				for (cp = cname; *cp && isprint(*cp); cp++)

+				for (cp = cname; cp < nbuf + size && *cp

+				    && isprint(*cp); cp++)

 					continue;

 				/*

 				 * Linux apparently appends a space at the end

-- 

2.14.4