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Avoid reading past the end of buffer (Rui Reis)

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zoulasc committed Jun 9, 2018
1 parent 8ac1992 commit a642587a9c9e2dd7feacdf513c3643ce26ad3c22
Showing with 3 additions and 2 deletions.
  1. +3 −2 src/readelf.c
@@ -27,7 +27,7 @@
#include "file.h"

#ifndef lint
FILE_RCSID("@(#)$File: readelf.c,v 1.142 2018/05/24 18:08:01 christos Exp $")
FILE_RCSID("@(#)$File: readelf.c,v 1.143 2018/06/09 16:00:06 christos Exp $")
#endif

#ifdef BUILTIN_ELF
@@ -842,7 +842,8 @@ 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

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