linux-kernel - Re: Kernel panic - not syncing: System is deadlocked on memory

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Message-ID: <aCCS9TMcaySNvl0J@casper.infradead.org>
Date: Sun, 11 May 2025 13:07:17 +0100
From: Matthew Wilcox <willy@...radead.org>
To: Yin Guoyu <y04609127@...il.com>
Cc: akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: Kernel panic - not syncing: System is deadlocked on memory

On Sun, May 11, 2025 at 07:35:14PM +0800, Yin Guoyu wrote:
> Hi,
> When I test the Linux kernel (commit
> 38fec10eb60d687e30c8c6b5420d86e8149f7557), I encountered a kernel
> panic issue related to memory allocation, specifically in the
> alloc_pages_mpol function. The panic message indicates "System is
> deadlocked on memory," and the call trace points to
> __alloc_frozen_pages_noprof failing to allocate pages, leading to an
> OOM condition.

congratulations, you ran syzkaller as root and got the system to crash.
come back when you've learned something.