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Date:   Tue, 10 Jan 2023 18:42:03 +0000
From:   Eric Biggers <ebiggers@kernel.org>
To:     Alexander Potapenko <glider@google.com>
Cc:     dsterba@suse.cz, linux-kernel@vger.kernel.org,
        akpm@linux-foundation.org, tytso@mit.edu, adilger.kernel@dilger.ca,
        jaegeuk@kernel.org, chao@kernel.org, linux-fsdevel@vger.kernel.org,
        linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [PATCH 2/5] fs: affs: initialize fsdata in affs_truncate()
Message-ID: <Y72xe72B+A1KrcaY@gmail.com>
References: <20221121112134.407362-1-glider@google.com>
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 <20221122145615.GE5824@twin.jikos.cz>
 <CAG_fn=Waivo=jEEqp7uMjKXdAvqP3XPtnAQeiRfu6ptwPmkyjw@mail.gmail.com>
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On Tue, Jan 10, 2023 at 01:27:03PM +0100, Alexander Potapenko wrote:
> On Tue, Nov 22, 2022 at 3:56 PM David Sterba <dsterba@suse.cz> wrote:
> >
> > 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@kernel.org>
> > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> > > Signed-off-by: Alexander Potapenko <glider@google.com>
> >
> > With the fixed Fixes: reference,
> >
> > Acked-by: David Sterba <dsterba@suse.com>
> 
> Hi David,
> 
> I've noticed that the ext4 counterpart of this patch is in the
> upstream tree already, whereas the affs, f2fs, hfs and hfsplus
> versions are not.
> Are they picked via a different tree?

Generally each filesystem has its own development tree.  All the information is
in MAINTAINERS.  hfs and hfsplus are unmaintained, though.

Maybe try asking Andrew Morton to apply the hfs and hfsplus patches, and any
others that don't get applied, as "maintainer of last resort".

- Eric