From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Paul E. McKenney" <paulmck@kernel.org>,
Kaitao Cheng <pilgrimtao@gmail.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] kernel/smp: Fix an off by one in csd_lock_wait_toolong()
Date: Thu, 09 Jul 2020 11:49:00 +0000 [thread overview]
Message-ID: <20200709114900.b475kfqz3447zgfg@linutronix.de> (raw)
In-Reply-To: <20200709105906.GR597537@hirez.programming.kicks-ass.net>
On 2020-07-09 12:59:06 [+0200], Peter Zijlstra wrote:
> On Thu, Jul 09, 2020 at 01:48:18PM +0300, Dan Carpenter wrote:
> > The __per_cpu_offset[] array has "nr_cpu_ids" elements so change the >
> > >= to prevent a read one element beyond the end of the array.
> >
> > Fixes: 0504bc41a62c ("kernel/smp: Provide CSD lock timeout diagnostics")
>
> I don't have a copy of that patch in my inbox, even though it says Cc:
> me.
>
> Paul, where do you expect that patch to go? The version I see from my
> next tree needs a _lot_ of work.
There is also
https://lkml.kernel.org/r/20200705082603.GX3874@shao2-debian
https://lkml.kernel.org/r/00000000000042f21905a991ecea@google.com
it might be the same thing.
Sebastian
next prev parent reply other threads:[~2020-07-09 11:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 10:48 [PATCH] kernel/smp: Fix an off by one in csd_lock_wait_toolong() Dan Carpenter
2020-07-09 10:59 ` Peter Zijlstra
2020-07-09 11:49 ` Sebastian Andrzej Siewior [this message]
2020-07-09 14:36 ` Paul E. McKenney
2020-07-09 14:32 ` Paul E. McKenney
2020-07-09 16:59 ` Paul E. McKenney
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