mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Ian Bridges <icb@fastmail.org>
To: Wahid Khan <wahidzk0091@gmail.com>
Cc: linkinjeon@kernel.org, smfrench@gmail.com,
	senozhatsky@chromium.org, tom@talpey.com,
	chenxiaosong@chenxiaosong.com, linux-cifs@vger.kernel.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Ian Bridges <icb@fastmail.org>
Subject: Re: [PATCH] ksmbd: refuse to read a handle that is not open for reading
Date: Thu,  5 Nov 2026 15:19:43 -0600	[thread overview]
Message-ID: <20261105211943.696696-1-icb@fastmail.org> (raw)
In-Reply-To: <20261105173838.1882328-1-wahidzk0091@gmail.com>

On Thu, Nov 05, 2026 at 11:08:38PM +0530, Wahid Khan wrote:
> Return STATUS_ACCESS_DENIED when the file is not readable.

Tested on ksmbd-for-next with KASAN. A READ on a handle opened for
FILE_WRITE_DATA | FILE_EXECUTE | FILE_READ_ATTRIBUTES hits the warning
before and gets STATUS_ACCESS_DENIED after. smbtorture gives the same
results as without the patch.

Reviewed-by: Ian Bridges <icb@fastmail.org>
Tested-by: Ian Bridges <icb@fastmail.org>

  reply	other threads:[~2026-11-05 21:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-05 17:38 Wahid Khan
2026-11-05 21:19 ` Ian Bridges [this message]
2026-11-05 22:34   ` Namjae Jeon

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=20261105211943.696696-1-icb@fastmail.org \
    --to=icb@fastmail.org \
    --cc=chenxiaosong@chenxiaosong.com \
    --cc=linkinjeon@kernel.org \
    --cc=linux-cifs@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=senozhatsky@chromium.org \
    --cc=smfrench@gmail.com \
    --cc=stable@vger.kernel.org \
    --cc=tom@talpey.com \
    --cc=wahidzk0091@gmail.com \
    /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

all inboxes | Powered by JetHome®