From 82afae6016b672acb90ceb8e773bba0bd977d2a3 Mon Sep 17 00:00:00 2001
From: Erdem Aktas <eaktas1@gmail.com>
Date: Sun, 10 May 2009 02:13:19 -0400
Subject: [PATCH] perf_counter tools: fix buffer overwrite problem for perf top
 command

There is a buffer overwrite problem in builtin-top.c line 526, When I
tried to use ./perf top command, it was giving memory corruption
problem.

[ Impact: fix 'perf top' crash ]

LKML-Reference: <3fee128b0905092313x608e65e0l7b1116d86914114f@mail.gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 Documentation/perf_counter/builtin-top.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/perf_counter/builtin-top.c b/Documentation/perf_counter/builtin-top.c
index cd6f61d734181..b1549dd277200 100644
--- a/Documentation/perf_counter/builtin-top.c
+++ b/Documentation/perf_counter/builtin-top.c
@@ -523,7 +523,7 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 	if (strstr(sym, "_text_start") || strstr(sym, "_text_end"))
 		return 1;
 
-	s->sym = malloc(strlen(str));
+	s->sym = malloc(strlen(str)+1);
 	assert(s->sym);
 
 	strcpy((char *)s->sym, str);
-- 
2.30.2