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From: Jiri Olsa <jolsa@redhat.com>
To: acme@ghostprotocols.net, a.p.zijlstra@chello.nl,
	mingo@redhat.com, paulus@samba.org
Cc: linux-kernel@vger.kernel.org, markus@trippelsdorf.de,
	Jiri Olsa <jolsa@redhat.com>
Subject: [PATCH] perf, tool: Fix array sizes for binary types arrays
Date: Wed,  1 Aug 2012 14:47:57 +0200	[thread overview]
Message-ID: <1343825277-10517-1-git-send-email-jolsa@redhat.com> (raw)

Following commit introduced wrong array boundaries, that could
lead to SIGSEGV.

  perf symbols: Factor DSO symtab types to generic binary types
  commit 44f24cb3156a1e7d2b6bb501b7f6153aed08994c
  Author: Jiri Olsa <jolsa@redhat.com>

Fixing to use proper array size.

Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
---
 tools/perf/util/symbol.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index fdad4eee..fe86612 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -64,7 +64,7 @@ static enum dso_binary_type binary_type_symtab[] = {
 	DSO_BINARY_TYPE__NOT_FOUND,
 };
 
-#define DSO_BINARY_TYPE__SYMTAB_CNT sizeof(binary_type_symtab)
+#define DSO_BINARY_TYPE__SYMTAB_CNT ARRAY_SIZE(binary_type_symtab)
 
 static enum dso_binary_type binary_type_data[] = {
 	DSO_BINARY_TYPE__BUILD_ID_CACHE,
@@ -72,7 +72,7 @@ static enum dso_binary_type binary_type_data[] = {
 	DSO_BINARY_TYPE__NOT_FOUND,
 };
 
-#define DSO_BINARY_TYPE__DATA_CNT sizeof(binary_type_data)
+#define DSO_BINARY_TYPE__DATA_CNT ARRAY_SIZE(binary_type_data)
 
 int dso__name_len(const struct dso *dso)
 {
-- 
1.7.7.6


             reply	other threads:[~2012-08-01 12:48 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-01 12:47 Jiri Olsa [this message]
2012-08-05 16:44 ` [tip:perf/urgent] perf symbols: " tip-bot for Jiri Olsa

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