From: Dave Cheney <dave@cheney.net>
Date: Thu, 1 Sep 2011 17:43:03 +0000 (-0400)
Subject: libmach: fix incorrect use of memset
X-Git-Tag: weekly.2011-09-07~47
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=ae502c4e02c3728aed9553279c7c787ae3ec39a3;p=gostls13.git

libmach: fix incorrect use of memset

Fixes #2213.

R=rsc
CC=golang-dev
https://golang.org/cl/4975047
---

diff --git a/src/libmach/executable.c b/src/libmach/executable.c
index fa0fa1b5fd..9d45323021 100644
--- a/src/libmach/executable.c
+++ b/src/libmach/executable.c
@@ -811,7 +811,7 @@ elf64dotout(int fd, Fhdr *fp, ExecHdr *hp)
 		buf = malloc(sh[ep->shstrndx].size);
 		if (buf == 0)
 			goto done;
-		memset(buf, 0, sizeof buf);
+		memset(buf, 0, sh[ep->shstrndx].size);
 		seek(fd, sh[ep->shstrndx].offset, 0);
 		i = read(fd, buf, sh[ep->shstrndx].size);
 		USED(i);	// shut up ubuntu gcc
@@ -989,7 +989,7 @@ elfdotout(int fd, Fhdr *fp, ExecHdr *hp)
 		buf = malloc(sh[ep->shstrndx].size);
 		if (buf == 0)
 			goto done;
-		memset(buf, 0, sizeof buf);
+		memset(buf, 0, sh[ep->shstrndx].size);
 		seek(fd, sh[ep->shstrndx].offset, 0);
 		i = read(fd, buf, sh[ep->shstrndx].size);
 		USED(i);	// shut up ubuntu gcc