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From: Andrew Morton <akpm@linux-foundation.org>
To: Uladzislau Rezki <urezki@gmail.com>
Cc: Qian Cai <cai@lca.pw>,
	bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	luto@kernel.org, mingo@redhat.com, peterz@infradead.org,
	syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
	x86@kernel.org, sfr@canb.auug.org.au, linux-next@vger.kernel.org,
	lpf.vector@gmail.com, Uladzislau Rezki <urezki@gmail.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Pengfei Li <lpf.vector@gmail.com>,
	Shakeel Butt <shakeelb@google.com>, Arnd Bergmann <arnd@arndb.de>,
	Michal Hocko <mhocko@kernel.org>,
	Yafang Shao <laoar.shao@gmail.com>,
	Joel Fernandes <joel@joelfernandes.org>,
	Matthew Wilcox <willy@infradead.org>,
	Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Mike Rapoport <rppt@linux.ibm.com>,
	David Hildenbrand <david@redhat.com>,
	Joerg Roedel <jroedel@suse.de>, Roman Gushchin <guro@fb.com>,
	Dennis Zhou <dennis@kernel.org>,
	Naresh Kamboju <naresh.kamboju@linaro.org>
Subject: Re: kernel BUG at mm/vmalloc.c:LINE! (2)
Date: Thu, 23 Jul 2020 19:50:29 -0700	[thread overview]
Message-ID: <20200723195029.60933e30f5d3dd64d6a861b3@linux-foundation.org> (raw)
In-Reply-To: <20200722144650.GA19628@pc636>

On Wed, 22 Jul 2020 16:46:50 +0200 Uladzislau Rezki <urezki@gmail.com> wrote:

> > > I can check further, but it can be it was not correctly reverted,
> > > because everything should work just fine even with the revert,
> > > though i i do not understand a reason of reverting.
> > 
> > Vlad, how sure are you about this? We also start to trigger this now on
> > linux-next, but the reverting patch surely looks like doggy without any useful
> > information in the commit description.
> >
> Hello, Andrew, Qian.
> 
> I am not aware of reason of the revert, though i tried to get through Ingo.
> I can send out a patch that fixes the revert. Another option to drop the
> revert, but it is up to Andrew and Ingo.
> 
> Andrew, could you please comment on?

All a bit mysterious.  I think it's best that we revert this from
linux-next until we hear from Ingo.  I queued a patch - I expect
Stephen will see and grab it, thanks.



  reply	other threads:[~2020-07-24  2:50 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-10 12:24 kernel BUG at mm/vmalloc.c:LINE! (2) syzbot
2020-07-20 16:48 ` syzbot
2020-07-20 16:48   ` syzbot
2020-07-20 20:06   ` Uladzislau Rezki
2020-07-22 14:28     ` Qian Cai
2020-07-22 14:46       ` Uladzislau Rezki
2020-07-24  2:50         ` Andrew Morton [this message]
2020-07-24  3:11           ` Stephen Rothwell
2020-07-24  4:28           ` Stephen Rothwell
2020-07-24  7:47             ` Thomas Gleixner
2020-07-22  6:17 ` syzbot
2020-07-22  6:17   ` syzbot
2021-01-10 21:34 ` syzbot
2021-01-10 21:34   ` syzbot
2021-01-11  9:15   ` Dmitry Vyukov
2022-01-24 17:59     ` Vegard Nossum

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