From: Peter Zijlstra <peterz@infradead.org>
To: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Cc: mingo@redhat.com, juri.lelli@redhat.com,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de,
bristot@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: Re: [PATCH] sched: Fix implicit type conversion
Date: Mon, 25 Oct 2021 12:24:39 +0200 [thread overview]
Message-ID: <YXaF56oFBaDAuX6b@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1635156000-2426673-1-git-send-email-jiasheng@iscas.ac.cn>
On Mon, Oct 25, 2021 at 10:00:00AM +0000, Jiasheng Jiang wrote:
> On Mon, Oct 25, 2021 at 08:57:31AM +0000, Peter Zijlstra wrote:
> >> The variable 'n' is defined as ULONG. However in the cpumask_next(),
> >> it is used as INT.
> >> That is vulnerable and may cause overflow.
> >> Therefore, it might be better to define 'n' as INT.
>
> >-ENOPARSE
>
> I don't understand the 'ENOPARSE'.
> Please give me more details.
I've no idea what your changelog is trying to say, or how your patch
makes a difference.
prev parent reply other threads:[~2021-10-25 10:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-25 10:00 Jiasheng Jiang
2021-10-25 10:24 ` Peter Zijlstra [this message]
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