From: Muchun Song <muchun.song@linux.dev>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Muchun Song <songmuchun@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Nhat Pham <nphamcs@gmail.com>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
Shakeel Butt <shakeel.butt@linux.dev>
Subject: Re: [PATCH] mm: list_lru: fix UAF for memory cgroup
Date: Thu, 1 Aug 2024 10:42:02 +0800 [thread overview]
Message-ID: <3AA53CB7-1E21-4B79-8BA9-B1F40D3E15DF@linux.dev> (raw)
In-Reply-To: <20240731132825.1fb29122d35997a425368b32@linux-foundation.org>
> On Aug 1, 2024, at 04:28, Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Thu, 18 Jul 2024 16:36:07 +0800 Muchun Song <songmuchun@bytedance.com> wrote:
>
>> The mem_cgroup_from_slab_obj() is supposed to be called under rcu
>> lock or cgroup_mutex or others which could prevent returned memcg
>> from being freed. Fix it by adding missing rcu read lock.
>>
>
> Well I grabbed this, but the review led me to expect a v2.
Will do.
>
> Should it have cc:stable?
Yes.
prev parent reply other threads:[~2024-08-01 2:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-18 8:36 Muchun Song
2024-07-18 10:30 ` Vlastimil Babka
2024-07-18 11:20 ` Muchun Song
2024-07-23 11:23 ` Muchun Song
2024-07-23 17:52 ` Shakeel Butt
2024-07-24 0:45 ` Andrew Morton
2024-07-24 2:23 ` Muchun Song
2024-07-31 10:06 ` Vlastimil Babka (SUSE)
2024-08-01 2:42 ` Muchun Song
2024-07-31 20:28 ` Andrew Morton
2024-08-01 2:42 ` Muchun Song [this message]
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