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Message-Id: <20200126151452.DB95CC433A2@smtp.codeaurora.org>
Date:   Sun, 26 Jan 2020 15:14:52 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Nicolai Stange <nstange@...e.de>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Wen Huang <huangwenabc@...il.com>,
        Nicolai Stange <nstange@...e.de>,
        libertas-dev@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Takashi Iwai <tiwai@...e.de>, Miroslav Benes <mbenes@...e.cz>
Subject: Re: [PATCH 1/2] libertas: don't exit from lbs_ibss_join_existing()
 with RCU read lock held

Nicolai Stange <nstange@...e.de> wrote:

> Commit e5e884b42639 ("libertas: Fix two buffer overflows at parsing bss
> descriptor") introduced a bounds check on the number of supplied rates to
> lbs_ibss_join_existing().
> 
> Unfortunately, it introduced a return path from within a RCU read side
> critical section without a corresponding rcu_read_unlock(). Fix this.
> 
> Fixes: e5e884b42639 ("libertas: Fix two buffer overflows at parsing bss
>                       descriptor")
> Signed-off-by: Nicolai Stange <nstange@...e.de>

I'll queue these to v5.5, unless Linus releases the final today and then they
will go to v5.6.

-- 
https://patchwork.kernel.org/patch/11331869/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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