linux-kernel - Re: BUG: general protection fault in get_mem_cgroup_from

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Message-ID: <ZtEDEoL-fT2YKeGA@google.com>
Date: Thu, 29 Aug 2024 23:24:02 +0000
From: Roman Gushchin <roman.gushchin@...ux.dev>
To: Xingyu Li <xli399@....edu>
Cc: hannes@...xchg.org, mhocko@...nel.org, shakeel.butt@...ux.dev,
	muchun.song@...ux.dev, cgroups@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Yu Hao <yhao016@....edu>,
	Juefei Pu <jpu007@....edu>
Subject: Re: BUG: general protection fault in get_mem_cgroup_from_objcg

On Wed, Aug 28, 2024 at 10:20:04PM -0700, Xingyu Li wrote:
> Hi,
> 
> Here is the kernel config file:
> https://gist.github.com/TomAPU/64f5db0fe976a3e94a6dd2b621887cdd
> 
> how long does it take to reproduce?
> Juefei will follow on this, and I just CC'ed him.

I ran the reproducer for several hours in a vm without much success.
So in order to make any progress I'd really need a help from your side.
If you can reproduce it consistently, can you, please, try to bisect it?

Thanks!