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Message-ID: <3eca2dab-df70-9d91-52a1-af779e3c2e04@linux-m68k.org>
Date: Fri, 21 Jul 2023 18:14:04 +1000 (AEST)
From: Finn Thain <fthain@...ux-m68k.org>
To: Matthew Wilcox <willy@...radead.org>
cc: Dave Chinner <david@...morbit.com>,
Jeff Layton <jlayton@...nel.org>,
John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
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 Fri, 21 Jul 2023, Matthew Wilcox wrote:
>
> You've misunderstood. Google have decided to subject the entire kernel
> (including obsolete unmaintained filesystems) to stress tests that it's
> never had before. IOW these bugs have been there since the code was
> merged. There's nothing to back out. There's no API change to blame.
> It's always been buggy and it's never mattered before.
>
I'm not blaming the unstable API for the bugs, I'm blaming it for the
workload. A stable API (like a userspace API) decreases the likelihood
that overloaded maintainers have to orphan a filesystem implementation.
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