netdev - Re: [PATCH 1/2] libertas: don't exit from lbs_ibss_join

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Message-ID: <877e1txms0.fsf@suse.de>
Date:   Wed, 15 Jan 2020 07:21:35 +0100
From:   Nicolai Stange <nstange@...e.de>
To:     Kalle Valo <kvalo@...eaurora.org>
Cc:     Nicolai Stange <nstange@...e.de>,
        "David S. Miller" <davem@...emloft.net>,
        Wen Huang <huangwenabc@...il.com>,
        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

Kalle Valo <kvalo@...eaurora.org> writes:

> Nicolai Stange <nstange@...e.de> writes:
>
>> 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")
>
> This should be in one line, I'll fix it during commit.

Thanks!

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