From: Markus Elfring <Markus.Elfring@web.de>
To: Muchun Song <songmuchun@bytedance.com>,
Xiongchun Duan <duanxiongchun@bytedance.com>,
linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v2] mm/ksm: Fix NULL pointer dereference when KSM zero page is enabled
Date: Tue, 14 Apr 2020 11:17:17 +0200 [thread overview]
Message-ID: <ff540216-7f3e-9841-4896-81907540404d@web.de> (raw)
In-Reply-To: <20200414075622.69822-1-songmuchun@bytedance.com>
> to crash when we access vma->vm_mm(its offset is 0x40) later in
Will another fine-tuning become relevant also for this wording?
> following calltrace is captured in kernel 4.19 with KSM zero page
Can the mentioned Linux version trigger any special software
development concerns?
Will any other tags become helpful in such a case?
Regards,
Markus
next prev parent reply other threads:[~2020-04-14 9:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-14 7:56 Muchun Song
2020-04-14 9:17 ` Markus Elfring [this message]
2020-04-14 9:56 ` [External] " Muchun Song
2020-04-14 14:17 ` [v2] " Markus Elfring
2020-04-14 14:39 ` [External] " Muchun Song
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