Linux wireless drivers development
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From: "Jérôme Pouiller" <jerome.pouiller@silabs.com>
To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	"Paweł Lenkow" <pawel.lenkow@camlingroup.com>,
	"Lech Perczak" <lech.perczak@camlingroup.com>
Cc: "Kalle Valo" <kvalo@kernel.org>,
	"Krzysztof Drobiński" <krzysztof.drobinski@camlingroup.com>,
	"Kirill Yatsenko" <kirill.yatsenko@camlingroup.com>
Subject: Re: wfx: Memory corruption during high traffic with WFM200 on i.MX6Q platform
Date: Thu, 15 Sep 2022 12:19:43 +0200	[thread overview]
Message-ID: <2646104.mvXUDI8C0e@pc-42> (raw)
In-Reply-To: <8bea4eed-5b71-9fd4-c705-926bdad0ee47@camlingroup.com>

On Thursday 15 September 2022 11:56:24 CEST Lech Perczak wrote:
> Hi Jérôme,
> 
> Just a quick note, so you don't have to redo our work - Paweł found the root cause,
> patch is coming very shortly.
> 
> TL;DR is that hw->max_rates in wfx_init_common was set to 8 initially,
> which is over the maximum of 4 specified by mac80211,
> causing out-of-bounds writes all over the place.

Wow, thank you. I was about to jump deep in your traces. You saved my
day.


-- 
Jérôme Pouiller



      reply	other threads:[~2022-09-15 10:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-12 15:16 wfx: Memory corruption during high traffic with WFM200 on i.MX6Q platform Lech Perczak
2022-09-12 16:15 ` Jérôme Pouiller
2022-09-12 16:46   ` Lech Perczak
2022-09-15  9:56     ` Lech Perczak
2022-09-15 10:19       ` Jérôme Pouiller [this message]

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