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From: Dave Chinner <david@fromorbit.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Ayushman Dutta <ayushman999@gmail.com>,
	chandanrlinux@gmail.com, linux-xfs <linux-xfs@vger.kernel.org>
Subject: Re: syzkaller@googlegroups.com
Date: Wed, 29 Jun 2022 08:44:53 +1000	[thread overview]
Message-ID: <20220628224453.GL227878@dread.disaster.area> (raw)
In-Reply-To: <Yrt7t2Y1tsgAUFAr@magnolia>

On Tue, Jun 28, 2022 at 03:07:51PM -0700, Darrick J. Wong wrote:
> [+linux-xfs]
> 
> On Tue, Jun 28, 2022 at 02:27:36PM -0500, Ayushman Dutta wrote:
> > Kernel Version: 5.10.122
> > 
> > Kernel revision: 58a0d94cb56fe0982aa1ce9712e8107d3a2257fe
> > 
> > Syzkaller Dashboard report:
> > 
> > ------------[ cut here ]------------
> > WARNING: CPU: 1 PID: 8503 at mm/util.c:618 kvmalloc_node+0x15a/0x170
> > mm/util.c:618
> 
> No.  Do not DM your syzbot reports to random XFS developers.
> 
> Especially do not send me *three message* with 300K of attachments; even
> the regular syzbot runners dump all that stuff into a web portal.
> 
> If you are going to run some scripted tool to randomly
> corrupt the filesystem to find failures, then you have an
> ethical and moral responsibility to do some of the work to
> narrow down and identify the cause of the failure, not just
> throw them at someone else to do all the work.

/me reads the stack trace, takes 30s to look at the change log,
finds commit 29d650f7e3ab ("xfs: reject crazy array sizes being fed
to XFS_IOC_GETBMAP*").

-Dave.
-- 
Dave Chinner
david@fromorbit.com

  reply	other threads:[~2022-06-28 22:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CA+6OtaVMKW=K2mfbi=3A7fuPw2BmHv-zcx2jVKg9yEEY4wab3g@mail.gmail.com>
2022-06-28 22:07 ` syzkaller@googlegroups.com Darrick J. Wong
2022-06-28 22:44   ` Dave Chinner [this message]
2022-06-29  4:32     ` syzkaller@googlegroups.com Amir Goldstein
2022-06-29 16:17       ` syzkaller@googlegroups.com Darrick J. Wong

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