From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Hui Peng <benquike@gmail.com>
Cc: Harry Morris <h.morris@cascoda.com>,
Alexander Aring <alex.aring@gmail.com>,
Stefan Schmidt <stefan@datenfreihafen.org>,
David Laight <david.laight.linux@gmail.com>,
linux-wpan@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net v3 1/3] ieee802154: ca8210: prevent stack buffer overflow in ca8210_rx_done()
Date: Sun, 04 Oct 2026 23:00:01 +0200 [thread overview]
Message-ID: <87jynxji5q.fsf@bootlin.com> (raw)
In-Reply-To: <20260930071914.421586-2-benquike@gmail.com> (Hui Peng's message of "Wed, 30 Sep 2026 07:19:12 +0000")
> Check len > sizeof(struct mac_message) instead of
> len > CA8210_SPI_BUF_SIZE in ca8210_rx_done() so that any packet exceeding
> sizeof(struct mac_message) is logged as erroneously long via dev_crit()
> and dropped before copying into priv->sync_command_response or passing it
> to ca8210_net_rx().
>
> Tested in QEMU with KASAN enabled by passing a 256-byte SPI_SYN response
> into ca8210_rx_done().
>
> Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver")
> Cc: stable@vger.kernel.org
> Assisted-by: LLM
> Signed-off-by: Hui Peng <benquike@gmail.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
next prev parent reply other threads:[~2026-10-04 21:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 7:19 [PATCH net v3 0/3] ieee802154: ca8210: fix stack and slab out-of-bounds accesses Hui Peng
2026-09-30 7:19 ` [PATCH net v3 1/3] ieee802154: ca8210: prevent stack buffer overflow in ca8210_rx_done() Hui Peng
2026-10-04 7:39 ` netdev-bot+sashiko
2026-10-04 21:00 ` Miquel Raynal [this message]
2026-09-30 7:19 ` [PATCH net v3 2/3] ieee802154: ca8210: prevent stack buffer overflow in hwme_get_request_sync() Hui Peng
2026-10-04 7:39 ` netdev-bot+sashiko
2026-10-04 21:03 ` Miquel Raynal
2026-09-30 7:19 ` [PATCH net v3 3/3] ieee802154: ca8210: validate data_ind length upfront in ca8210_skb_rx() Hui Peng
2026-10-04 7:39 ` netdev-bot+sashiko
2026-10-04 20:59 ` Miquel Raynal
-- strict thread matches above, loose matches on Subject: below --
2026-09-24 6:22 [PATCH net v3 0/3] ieee802154: ca8210: fix stack and slab out-of-bounds accesses Hui Peng
2026-09-24 6:22 ` [PATCH net v3 1/3] ieee802154: ca8210: prevent stack buffer overflow in ca8210_rx_done() Hui Peng
2026-09-22 9:30 [PATCH net v3 0/3] ieee802154: ca8210: fix stack and slab out-of-bounds accesses Hui Peng
2026-09-22 9:30 ` [PATCH net v3 1/3] ieee802154: ca8210: prevent stack buffer overflow in ca8210_rx_done() Hui Peng
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=87jynxji5q.fsf@bootlin.com \
--to=miquel.raynal@bootlin.com \
--cc=alex.aring@gmail.com \
--cc=benquike@gmail.com \
--cc=david.laight.linux@gmail.com \
--cc=h.morris@cascoda.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wpan@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=stable@vger.kernel.org \
--cc=stefan@datenfreihafen.org \
/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®