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From: tip-bot for Vasiliy Kulikov <segoon@openwall.com>
To: linux-tip-commits@vger.kernel.org
Cc: acme@redhat.com, linux-kernel@vger.kernel.org, paulus@samba.org,
	hpa@zytor.com, mingo@redhat.com, a.p.zijlstra@chello.nl,
	segoon@openwall.com, peterz@infradead.org, penberg@kernel.org,
	fweisbec@gmail.com, tglx@linutronix.de, mingo@elte.hu
Subject: [tip:perf/core] perf: fix temporary file ownership check
Date: Sun, 14 Aug 2011 15:38:08 GMT	[thread overview]
Message-ID: <tip-e9b52ef2228cd0bed7a4465c693a39489e2c338d@git.kernel.org> (raw)
In-Reply-To: <20110811205537.GA22864@albatros>

Commit-ID:  e9b52ef2228cd0bed7a4465c693a39489e2c338d
Gitweb:     http://git.kernel.org/tip/e9b52ef2228cd0bed7a4465c693a39489e2c338d
Author:     Vasiliy Kulikov <segoon@openwall.com>
AuthorDate: Fri, 12 Aug 2011 00:55:37 +0400
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 12 Aug 2011 08:28:17 -0300

perf: fix temporary file ownership check

A file in /tmp/ might be a symlink, so lstat() should be used instead of
stat().

Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20110811205537.GA22864@albatros
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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 e142c21..469c026 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())) {

      parent reply	other threads:[~2011-08-14 15:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-11 20:55 [PATCH] " Vasiliy Kulikov
2011-08-12  5:17 ` Pekka Enberg
2011-08-14 15:38 ` tip-bot for Vasiliy Kulikov [this message]

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