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Message-ID: <868611d7f222a19127783cc8d5f2af2e42ee24e4.camel@kernel.org>
Date:   Thu, 20 Jul 2023 14:27:50 -0400
From:   Jeff Layton <jlayton@...nel.org>
To:     Matthew Wilcox <willy@...radead.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc:     Dmitry Vyukov <dvyukov@...gle.com>,
        Viacheslav Dubeyko <slava@...eyko.com>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        syzbot <syzbot+7bb7cd3595533513a9e7@...kaller.appspotmail.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        christian.brauner@...ntu.com,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller-bugs@...glegroups.com,
        ZhangPeng <zhangpeng362@...wei.com>,
        linux-m68k@...ts.linux-m68k.org,
        debian-ports <debian-ports@...ts.debian.org>
Subject: Re: [syzbot] [hfs?] WARNING in hfs_write_inode

On Thu, 2023-07-20 at 18:59 +0100, Matthew Wilcox wrote:
> On Thu, Jul 20, 2023 at 07:50:47PM +0200, John Paul Adrian Glaubitz wrote:
> > > Then we should delete the HFS/HFS+ filesystems.  They're orphaned in
> > > MAINTAINERS and if distros are going to do such a damnfool thing,
> > > then we must stop them.
> > 
> > Both HFS and HFS+ work perfectly fine. And if distributions or users are so
> > sensitive about security, it's up to them to blacklist individual features
> > in the kernel.
> > 
> > Both HFS and HFS+ have been the default filesystem on MacOS for 30 years
> > and I don't think it's justified to introduce such a hard compatibility
> > breakage just because some people are worried about theoretical evil
> > maid attacks.
> > 
> > HFS/HFS+ mandatory if you want to boot Linux on a classic Mac or PowerMac
> > and I don't think it's okay to break all these systems running Linux.
> 
> If they're so popular, then it should be no trouble to find somebody
> to volunteer to maintain those filesystems.  Except they've been
> marked as orphaned since 2011 and effectively were orphaned several
> years before that (the last contribution I see from Roman Zippel is
> in 2008, and his last contribution to hfs was in 2006).

I suspect that this is one of those catch-22 situations: distros are
going to enable every feature under the sun. That doesn't mean that
anyone is actually _using_ them these days.

Is "staging" still a thing? Maybe we should move these drivers into the
staging directory and pick a release where we'll sunset it, and then see
who comes out of the woodwork?

Cheers,
-- 
Jeff Layton <jlayton@...nel.org>

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