From: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
To: Muchun Song <songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>
Cc: hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org,
mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] mm: memcontrol: Fix out-of-bounds on the buf returned by memory_stat_format
Date: Sat, 12 Sep 2020 17:42:41 -0700 [thread overview]
Message-ID: <20200912174241.eeaa771755915f27babf9322@linux-foundation.org> (raw)
In-Reply-To: <20200912155100.25578-1-songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>
On Sat, 12 Sep 2020 23:51:00 +0800 Muchun Song <songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org> wrote:
> The memory_stat_format() returns a format string, but the return buf
> may not including the trailing '\0'. So the users may read the buf
> out of bounds.
That sounds serious. Is a cc:stable appropriate?
next prev parent reply other threads:[~2020-09-13 0:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-12 15:51 [PATCH] mm: memcontrol: Fix out-of-bounds on the buf returned by memory_stat_format Muchun Song
[not found] ` <20200912155100.25578-1-songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>
2020-09-13 0:42 ` Andrew Morton [this message]
[not found] ` <20200912174241.eeaa771755915f27babf9322-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2020-09-14 4:02 ` [External] " Muchun Song
[not found] ` <CAMZfGtXNg31+8QLbUMj7f61Yg1Jgt0rPB7VTDE7qoopGCANGjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-09-14 9:18 ` Michal Hocko
[not found] ` <20200914091844.GE16999-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2020-09-14 9:43 ` Muchun Song
[not found] ` <CAMZfGtXd3DNrW5BPjDosHsz-FUYACGZEOAfAYLwyHdRSpOsqhQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-09-14 10:32 ` Michal Hocko
[not found] ` <20200914103205.GI16999-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2020-09-14 11:20 ` Chris Down
2020-09-14 11:46 ` Muchun Song
2020-09-14 11:57 ` Michal Hocko
[not found] ` <20200914115724.GO16999-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2020-09-14 12:05 ` Muchun Song
2020-09-14 9:23 ` Michal Hocko
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