public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: Tristan Madani <tristmd@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] wifi: ath9k: fix OOB access from firmware tx status queue ID
Date: Thu, 16 Apr 2026 21:15:51 +0200	[thread overview]
Message-ID: <87ik9qbtso.fsf@toke.dk> (raw)
In-Reply-To: <20260415222343.1540564-1-tristmd@gmail.com>

Tristan Madani <tristmd@gmail.com> writes:

> From: Tristan Madani <tristan@talencesecurity.com>
>
> ath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a
> 4-bit hardware field (0-15), but the txq array only has
> ATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array
> access.
>
> Add a bounds check on ts.qid before using it as an array index.
>
> Fixes: fce041beb03f ("ath9k: unify edma and non-edma tx code, improve tx fifo handling")
> Signed-off-by: Tristan Madani <tristan@talencesecurity.com>

Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>

      reply	other threads:[~2026-04-16 19:16 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-15 22:23 [PATCH v2] wifi: ath9k: fix OOB access from firmware tx status queue ID Tristan Madani
2026-04-16 19:15 ` Toke Høiland-Jørgensen [this message]

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=87ik9qbtso.fsf@toke.dk \
    --to=toke@toke.dk \
    --cc=johannes@sipsolutions.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=tristmd@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