linux-kernel - [PATCH 02/16] vfs: do_last(): make exit RCU safe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1335357857-16416-3-git-send-email-miklos@szeredi.hu>
Date:	Wed, 25 Apr 2012 14:44:03 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	viro@...IV.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	hch@...radead.org, torvalds@...ux-foundation.org, mszeredi@...e.cz
Subject: [PATCH 02/16] vfs: do_last(): make exit RCU safe

From: Miklos Szeredi <mszeredi@...e.cz>

Allow returning from do_last() with LOOKUP_RCU still set on the "out:" and
"exit:" labels.

Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
 fs/namei.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index fcd807a..020a62f 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2385,7 +2385,7 @@ common:
 out:
 	if (want_write)
 		mnt_drop_write(nd->path.mnt);
-	path_put(&nd->path);
+	terminate_walk(nd);
 	return filp;
 
 exit_mutex_unlock:
-- 
1.7.7

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/