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
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