Messages in this thread | | | Subject | Re: [PATCH v2 1/3] ath10k: fix division by zero in send path | From | Kalle Valo <> | Date | Thu, 28 Oct 2021 07:34:31 +0000 (UTC) |
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Johan Hovold <johan@kernel.org> wrote:
> Add the missing endpoint max-packet sanity check to probe() to avoid > division by zero in ath10k_usb_hif_tx_sg() in case a malicious device > has broken descriptors (or when doing descriptor fuzz testing). > > Note that USB core will reject URBs submitted for endpoints with zero > wMaxPacketSize but that drivers doing packet-size calculations still > need to handle this (cf. commit 2548288b4fb0 ("USB: Fix: Don't skip > endpoint descriptors with maxpacket=0")). > > Fixes: 4db66499df91 ("ath10k: add initial USB support") > Cc: stable@vger.kernel.org # 4.14 > Cc: Erik Stromdahl <erik.stromdahl@gmail.com> > Signed-off-by: Johan Hovold <johan@kernel.org> > Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2 patches applied to ath-next branch of ath.git, thanks.
a006acb93131 ath10k: fix division by zero in send path c1b9ca365dea ath6kl: fix division by zero in send path
-- https://patchwork.kernel.org/project/linux-wireless/patch/20211027080819.6675-2-johan@kernel.org/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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