linux-unionfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Christoph Fritz <chf.fritz@googlemail.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: Kevin Locke <kevin@kevinlocke.name>, linux-unionfs@vger.kernel.org
Subject: [PATCH] ovl: fix NULL pointer dereference
Date: Wed, 12 Jan 2022 19:33:21 +0100	[thread overview]
Message-ID: <10d8ed194b934c298713ad7f0958329b46573dd1.camel@googlemail.com> (raw)

This patch is fixing a NULL pointer dereference to get a recently
introduced warning message working.

Fixes: 5b0a414d06c3 ("ovl: fix filattr copy-up failure")
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
---
 fs/overlayfs/copy_up.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index b193d08a3dc3..347b06479663 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -145,7 +145,7 @@ static int ovl_copy_fileattr(struct inode *inode, struct path *old,
 		if (err == -ENOTTY || err == -EINVAL)
 			return 0;
 		pr_warn("failed to retrieve lower fileattr (%pd2, err=%i)\n",
-			old, err);
+			old->dentry, err);
 		return err;
 	}
 
@@ -168,7 +168,7 @@ static int ovl_copy_fileattr(struct inode *inode, struct path *old,
 	err = ovl_real_fileattr_get(new, &newfa);
 	if (err) {
 		pr_warn("failed to retrieve upper fileattr (%pd2, err=%i)\n",
-			new, err);
+			new->dentry, err);
 		return err;
 	}
 
-- 
2.30.2



             reply	other threads:[~2022-01-12 18:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-12 18:33 Christoph Fritz [this message]
2022-01-12 18:46 ` [PATCH] ovl: fix NULL pointer dereference Christoph Fritz
2022-01-12 20:28   ` Christoph Fritz
2022-01-14 16:01     ` Miklos Szeredi
2022-01-12 20:58   ` Kevin Locke
2022-01-12 21:06     ` Christoph Fritz
2022-01-12 22:25       ` Kevin Locke
2022-01-13 23:21         ` Christoph Fritz
2022-01-14 15:59 ` Miklos Szeredi

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:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

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

  git send-email \
    --in-reply-to=10d8ed194b934c298713ad7f0958329b46573dd1.camel@googlemail.com \
    --to=chf.fritz@googlemail.com \
    --cc=kevin@kevinlocke.name \
    --cc=linux-unionfs@vger.kernel.org \
    --cc=miklos@szeredi.hu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* 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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).