linux-kernel - Re: [PATCH] sched/core: fix buffer overflow in cgroup2 property cpu.max

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Message-ID: <20190306180719.GG50184@devbig004.ftw2.facebook.com>
Date:   Wed, 6 Mar 2019 10:07:19 -0800
From:   Tejun Heo <tj@...nel.org>
To:     Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
        Li Zefan <lizefan@...wei.com>, Ingo Molnar <mingo@...hat.com>,
        Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH] sched/core: fix buffer overflow in cgroup2 property
 cpu.max

On Wed, Mar 06, 2019 at 08:11:42PM +0300, Konstantin Khlebnikov wrote:
> Add limit into sscanf format string for on-stack buffer.
> 
> Fixes: 0d5936344f30 ("sched: Implement interface for cgroup unified hierarchy")
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks and I look forward to the sscanf improvements.  That'd be
really nice to have.

-- 
tejun