All of
 help / color / mirror / Atom feed
From: Dan Carpenter <>
Subject: [Ocfs2-devel] [patch] ocfs2: fix recent memory corruption bug
Date: Thu, 1 Aug 2013 16:55:26 +0300	[thread overview]
Message-ID: <20130801135526.GA17153@elgon.mountain> (raw)

The pointer math in 6fdf3af1d2 "ocfs2: fix null pointer dereference in
ocfs2_dir_foreach_blk_id()" isn't correct so it will zero out the wrong

Signed-off-by: Dan Carpenter <>
Static checker stuff.

diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index c91d986..6942c22 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2157,8 +2157,7 @@ int ocfs2_empty_dir(struct inode *inode)
 		.ctx.pos = 0,
-	memset(&priv + sizeof(struct dir_context), 0,
-	       sizeof(priv) - sizeof(struct dir_context));
+	memset(&priv.seen_dot, 0, sizeof(priv) - sizeof(struct dir_context));
 	if (ocfs2_dir_indexed(inode)) {
 		ret = ocfs2_empty_dir_dx(inode, &priv);

             reply	other threads:[~2013-08-01 13:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-01 13:55 Dan Carpenter [this message]
2013-08-01 13:58 ` [Ocfs2-devel] [patch] ocfs2: fix recent memory corruption bug Dan Carpenter
2013-08-01 14:02   ` [Ocfs2-devel] [patch v2] " Dan Carpenter
2013-08-01 14:11     ` Jeff Liu
2013-08-01 15:36       ` [Ocfs2-devel] [patch v3] ocfs2: " Dan Carpenter
2013-08-02  1:39         ` Jeff Liu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130801135526.GA17153@elgon.mountain \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.