linux-kernel - Re: Kernel NULL pointer deref and data corruptions with xfs on 6.1

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Message-ID: <ZL7w9dEH8BSXRzyu@dread.disaster.area>
Date:   Tue, 25 Jul 2023 07:45:25 +1000
From:   Dave Chinner <david@...morbit.com>
To:     Daniel Dao <dqminh@...udflare.com>
Cc:     linux-fsdevel@...r.kernel.org,
        Matthew Wilcox <willy@...radead.org>,
        kernel-team <kernel-team@...udflare.com>,
        linux-kernel <linux-kernel@...r.kernel.org>, djwong@...nel.org
Subject: Re: Kernel NULL pointer deref and data corruptions with xfs on 6.1

On Mon, Jul 24, 2023 at 12:23:31PM +0100, Daniel Dao wrote:
> Hi again,
> 
> We had another example of xarray corruption involving xfs and zsmalloc. We are
> running zram as swap. We have 2 tasks deadlock waiting for page to be released

Do your problems on 6.1 go away if you stop using zram as swap?

-Dave.
-- 
Dave Chinner
david@...morbit.com