linux-kernel - Re: [PATCH v3 06/11] md/raid5-cache: Clear conf->log after finishing work

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Date:   Thu, 2 Jun 2022 23:43:38 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
        Song Liu <song@...nel.org>,
        Christoph Hellwig <hch@...radead.org>,
        Donald Buczek <buczek@...gen.mpg.de>,
        Guoqing Jiang <guoqing.jiang@...ux.dev>,
        Xiao Ni <xni@...hat.com>, Stephen Bates <sbates@...thlin.com>,
        Martin Oliveira <Martin.Oliveira@...eticom.com>,
        David Sloan <David.Sloan@...eticom.com>
Subject: Re: [PATCH v3 06/11] md/raid5-cache: Clear conf->log after finishing
 work

On Thu, Jun 02, 2022 at 12:18:12PM -0600, Logan Gunthorpe wrote:
> A NULL pointer dereferlence on conf->log is seen randomly with
> the mdadm test 21raid5cache. Kasan reporst:

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>