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From: Steven Rostedt <rostedt@goodmis.org>
To: syzbot <syzbot+61e04e51b7ac86930589@syzkaller.appspotmail.com>
Cc: akpm@linux-foundation.org, axboe@kernel.dk, bp@alien8.de,
	hpa@zytor.com, jmattson@google.com, joro@8bytes.org,
	kvm@vger.kernel.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, mark.rutland@arm.com,
	masahiroy@kernel.org, mingo@redhat.com, pbonzini@redhat.com,
	peterz@infradead.org, rafael.j.wysocki@intel.com,
	seanjc@google.com, syzkaller-bugs@googlegroups.com,
	tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com,
	will@kernel.org, x86@kernel.org
Subject: Re: [syzbot] possible deadlock in del_gendisk
Date: Tue, 13 Apr 2021 13:43:14 -0400
Message-ID: <20210413134314.16068eeb@gandalf.local.home> (raw)
In-Reply-To: <20210413134147.54556d9d@gandalf.local.home>

On Tue, 13 Apr 2021 13:41:47 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> As the below splats look like it has nothing to do with this patch, and
> this patch will add a WARN() if there's broken logic somewhere, I bet the
> bisect got confused (if it is automated and does a panic_on_warning),
> because it will panic for broken code that his patch detects.
> That is, the bisect was confused because it was triggering on two different
> issues. One that triggered the reported splat below, and another that this
> commit detects and warns on.

Is it possible to update the the bisect to make sure that if it is failing
on warnings, to make sure the warnings are somewhat related, before decided
that its the same bug?

-- Steve

  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-13 17:33 syzbot
2021-04-13 17:41 ` Steven Rostedt
2021-04-13 17:43   ` Steven Rostedt [this message]
2021-04-13 18:24     ` Dmitry Vyukov
2021-04-13 18:40       ` Steven Rostedt
2021-04-13 18:43         ` Steven Rostedt
2021-04-16  7:51           ` Bisections with different bug manifestations Dmitry Vyukov
2021-04-16 13:13             ` Steven Rostedt
2021-04-16 13:26               ` Dmitry Vyukov
2021-04-16 13:48                 ` Dmitry Vyukov

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