From: Dmitri Monakhov <dmonakhov@openvz.org>
To: linux-kernel@vger.kernel.org
Subject: [PATCH] vfs: Fix possible chmod/truncate race condition.
Date: Wed, 15 Oct 2008 23:35:27 +0400 [thread overview]
Message-ID: <m33aixy7ls.fsf@dmon-lap.sw.ru> (raw)
Signed-off-by: Dmitri Monakhov <dmonakhov@openvz.org>
---
fs/open.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/fs/open.c b/fs/open.c
index 07da935..3423b94 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -214,10 +214,9 @@ int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
newattrs.ia_valid |= ATTR_FILE;
}
+ mutex_lock(&dentry->d_inode->i_mutex);
/* Remove suid/sgid on truncate too */
newattrs.ia_valid |= should_remove_suid(dentry);
-
- mutex_lock(&dentry->d_inode->i_mutex);
err = notify_change(dentry, &newattrs);
mutex_unlock(&dentry->d_inode->i_mutex);
return err;
--
1.5.4.3
next reply other threads:[~2008-10-15 19:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-15 19:35 Dmitri Monakhov [this message]
2008-10-27 3:37 ` [PATCH] vfs: Fix possible chmod/truncate race condition Andrew Morton
2008-10-27 7:57 ` Dmitri Monakhov
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