From: Vasiliy Kulikov <segoon@openwall.com>
To: linux-kernel@vger.kernel.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Pekka Enberg <penberg@kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: [PATCH] perf: fix temporary file ownership check
Date: Fri, 12 Aug 2011 00:55:37 +0400 [thread overview]
Message-ID: <20110811205537.GA22864@albatros> (raw)
A file in /tmp/ might be a symlink, so lstat() should be used
instead of stat().
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
---
tools/perf/util/symbol.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index a8b5371..5db39f6 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1506,7 +1506,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
if (strncmp(dso->name, "/tmp/perf-", 10) == 0) {
struct stat st;
- if (stat(dso->name, &st) < 0)
+ if (lstat(dso->name, &st) < 0)
return -1;
if (st.st_uid && (st.st_uid != geteuid())) {
--
1.7.0.4
next reply other threads:[~2011-08-11 20:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-11 20:55 Vasiliy Kulikov [this message]
2011-08-12 5:17 ` [PATCH] perf: fix temporary file ownership check Pekka Enberg
2011-08-14 15:38 ` [tip:perf/core] " tip-bot for Vasiliy Kulikov
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