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Re: [lvc-project] [PATCH] wifi: mac80211: fix buffer overflow in ieee80211_rx_get_bigtk()

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To: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Subject: Re: [lvc-project] [PATCH] wifi: mac80211: fix buffer overflow in ieee80211_rx_get_bigtk()
From: "Igor A. Artemiev" <Igor.A.Artemiev@xxxxxxx>
Date: Thu, 5 Oct 2023 15:31:23 +0300
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, linux-wireless@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, lvc-project@xxxxxxxxxxxxxxxx
In-reply-to: <3ba8e3902ade7483a82bd305a35a236744ffba25.camel@sipsolutions.net>
References: <20231004143740.40933-1-Igor.A.Artemiev@mcst.ru> <3ba8e3902ade7483a82bd305a35a236744ffba25.camel@sipsolutions.net>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.1


On 10/4/23 17:58, Johannes Berg wrote:

And ... how exactly do you propose that is going to happen?

'conf.keyidx', the value that is passed to the function, can be 0. But Imissed checking the second argument of the ieee80211_rx_get_bigtk()function before calling it. Sorry to bother you.


Thanks,
Igor

References:
- [lvc-project] [PATCH] wifi: mac80211: fix buffer overflow in ieee80211_rx_get_bigtk()
  - From: Igor Artemiev
- Re: [lvc-project] [PATCH] wifi: mac80211: fix buffer overflow in ieee80211_rx_get_bigtk()
  - From: Johannes Berg

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