[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sun, 1 Jan 2017 16:57:23 +0900
From: Lorenzo Colitti <lorenzo@...gle.com>
To: Eric Biggers <ebiggers3@...il.com>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"David S. Miller" <davem@...emloft.net>,
linux-fsdevel@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>,
Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH] net: socket: don't set sk_uid to garbage value in ->setattr()
On Sat, Dec 31, 2016 at 8:42 AM, Eric Biggers <ebiggers3@...il.com> wrote:
> ->setattr() was recently implemented for socket files to sync the socket
> inode's uid to the new 'sk_uid' member of struct sock. It does this by
> copying over the ia_uid member of struct iattr. However, ia_uid is
> actually only valid when ATTR_UID is set in ia_valid, indicating that
> the uid is being changed, e.g. by chown.
> [...]
> - if (!err) {
> + if (!err && (iattr->ia_valid & ATTR_UID)) {
Oops. Thanks for fixing this. Unit tested in
https://android-review.googlesource.com/316594 .
Tested-by: Lorenzo Colitti <lorenzo@...gle.com>
Acked-by: Lorenzo Colitti <lorenzo@...gle.com>
Powered by blists - more mailing lists