linux-kernel - Re: [PATCH 2/5] fs: affs: initialize fsdata in affs

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Date:   Tue, 22 Nov 2022 15:56:15 +0100
From:   David Sterba <dsterba@...e.cz>
To:     Alexander Potapenko <glider@...gle.com>
Cc:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        tytso@....edu, adilger.kernel@...ger.ca, jaegeuk@...nel.org,
        chao@...nel.org, linux-fsdevel@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        Eric Biggers <ebiggers@...nel.org>
Subject: Re: [PATCH 2/5] fs: affs: initialize fsdata in affs_truncate()

On Mon, Nov 21, 2022 at 12:21:31PM +0100, Alexander Potapenko wrote:
> When aops->write_begin() does not initialize fsdata, KMSAN may report
> an error passing the latter to aops->write_end().
> 
> Fix this by unconditionally initializing fsdata.
> 
> Suggested-by: Eric Biggers <ebiggers@...nel.org>
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Alexander Potapenko <glider@...gle.com>

With the fixed Fixes: reference,

Acked-by: David Sterba <dsterba@...e.com>