linux-kernel - Re: [Kernel Bug] WARNING in mempool_alloc

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Message-ID: <4b321435-3681-4593-a5d6-c3bbff0f31cc@suse.cz>
Date: Tue, 3 Feb 2026 09:44:10 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: 李龙兴 <coregee2000@...il.com>,
 syzkaller@...glegroups.com, akpm@...ux-foundation.org, cl@...two.org,
 rientjes@...gle.com, roman.gushchin@...ux.dev, harry.yoo@...cle.com,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [Kernel Bug] WARNING in mempool_alloc_noprof

On 2/2/26 07:40, 李龙兴 wrote:
> Dear Linux kernel developers and maintainers,
> 
> We would like to report a new kernel bug found by our tool. WARNING in
> mempool_alloc_noprof. Details are as follows.

Hi,

> Kernel commit: v6.12.11

that's a very old version and your reports could get dismissed - in this
case you were lucky. Please use bug finding tools on recent versions.
Ideally even rc kernels (now 6.19-rc7) so new bugs can be fixed before a
final kernel is released.

Thanks,
Vlastimil