From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Kirill Tkhai <ktkhai@virtuozzo.com>,
mhocko@suse.com, aryabinin@virtuozzo.com, hannes@cmpxchg.org,
penguin-kernel@i-love.sakura.ne.jp, shakeelb@google.com,
jbacik@fb.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: Fix int overflow in callers of do_shrink_slab()
Date: Sat, 29 Sep 2018 00:21:38 +0300 [thread overview]
Message-ID: <20180928212138.GS15710@uranus> (raw)
In-Reply-To: <20180928141509.fd8f8ac8c0ea61f0cb79d494@linux-foundation.org>
On Fri, Sep 28, 2018 at 02:15:09PM -0700, Andrew Morton wrote:
> What did he report? Was it code inspection? Did the kernel explode?
> etcetera. I'm thinking that the fix should be backported but to
> determine that, we need to understand the end-user runtime effects, as
> always. Please.
I've been investigating unrelated but and occasionally found this nit.
Look, there should be over 4G of objects scanned to have it triggered,
so I don't expect it happen in real life but better be on a safe side
and fix it.
next prev parent reply other threads:[~2018-09-28 21:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-28 11:28 [PATCH] mm: Fix int overflow in callers of do_shrink_slab() Kirill Tkhai
2018-09-28 11:34 ` Cyrill Gorcunov
2018-09-28 11:35 ` Josef Bacik
2018-09-28 21:15 ` Andrew Morton
2018-09-28 21:21 ` Cyrill Gorcunov [this message]
2018-09-28 23:58 ` Kirill Tkhai
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