linux-kernel - Re: [PATCH v2] wifi: mac80211: Avoid address calculations via out of bounds array indexing

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Message-ID: <d1fea590e53cb1b00dc64f4f8a4c8aec84610401.camel@sipsolutions.net>
Date: Wed, 29 May 2024 16:54:51 +0200
From: Johannes Berg <johannes@...solutions.net>
To: Kenton Groombridge <concord@...too.org>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com,  linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
  linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, Kees Cook
 <keescook@...omium.org>
Subject: Re: [PATCH v2] wifi: mac80211: Avoid address calculations via out
 of bounds array indexing

On Fri, 2024-05-17 at 10:54 -0400, Kenton Groombridge wrote:
> req->n_channels must be set before req->channels[] can be used.
> 

I don't know why, but this patch breaks a number of hwsim test cases.

https://w1.fi/cgit/hostap/tree/tests/hwsim/

johannes