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

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Message-ID: <Zs_gT7g9Dv-QAxfj@google.com>
Date: Thu, 29 Aug 2024 02:43:27 +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>
Subject: Re: BUG: general protection fault in get_mem_cgroup_from_objcg

On Wed, Aug 28, 2024 at 04:09:49PM -0700, Xingyu Li wrote:
> Hi,
> 
> We found a bug in Linux 6.10 using syzkaller. It is possibly a  null
> pointer dereference bug.
> The reprodcuer is
> https://gist.github.com/freexxxyyy/315733cb1dc3bc8cbe055b457c1918c0

Hello,

thank you for the report. Can you, please, share the kernel config file?
Also, how long does it take to reproduce?

Thanks!