From: Kalle Valo <kvalo@codeaurora.org>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>,
kernel-janitors@vger.kernel.org, linux-wireless@vger.kernel.org,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-mediatek@lists.infradead.org, Roy Luo <royluo@google.com>,
Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>,
Felix Fietkau <nbd@nbd.name>
Subject: Re: [PATCH] mt76: Off by one in mt76_calc_rx_airtime()
Date: Wed, 18 Dec 2019 18:51:54 +0000 (UTC) [thread overview]
Message-ID: <20191218185154.95451C4479D@smtp.codeaurora.org> (raw)
In-Reply-To: <20191121213935.2cbgh3qmd4hv4v5a@kili.mountain>
Dan Carpenter <dan.carpenter@oracle.com> wrote:
> The sband->bitrates[] array has "sband->n_bitrates" elements so this
> check needs to be >= instead of > or we could read beyond the end of the
> array.
>
> These values come from when we call mt76_register_device():
>
> ret = mt76_register_device(&dev->mt76, true, mt7603_rates,
> ARRAY_SIZE(mt7603_rates));
>
> Here sband->bitrates[] is mt7603_rates[] and ->n_bitrates is the
> ARRAY_SIZE()
>
> Fixes: 5ce09c1a7907 ("mt76: track rx airtime for airtime fairness and survey")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Patch applied to wireless-drivers.git, thanks.
b43e36d75e87 mt76: Off by one in mt76_calc_rx_airtime()
--
https://patchwork.kernel.org/patch/11261391/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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prev parent reply other threads:[~2019-12-18 18:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 4:49 [PATCH] mt76: Off by one in mt76_calc_rx_airtime() Dan Carpenter
2019-11-26 5:21 ` Kalle Valo
2019-11-26 5:25 ` Markus Theil
2019-11-26 8:04 ` Toke Høiland-Jørgensen
2019-11-26 9:11 ` Dan Carpenter
2019-11-26 9:16 ` Toke Høiland-Jørgensen
2019-11-26 9:23 ` Kalle Valo
2019-11-26 12:09 ` [PATCH] mac80211: airtime: Fix an off by one in ieee80211_calc_rx_airtime() Dan Carpenter
2019-11-26 12:39 ` Toke Høiland-Jørgensen
2019-12-18 18:51 ` Kalle Valo [this message]
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