linux-kernel - Re: [BUG][powerpc] OOPs: Kernel access of bad area during zram swap write

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Message-ID: <6r6hex7p53bsbaje4u7so7tfsz6jemazerzujzraibiah7eq4b@m5vgjaff2cdz>
Date: Wed, 7 May 2025 09:33:55 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Misbah Anjum N <misanjum@...ux.ibm.com>
Cc: Ritesh Harjani <riteshh@...ux.ibm.com>, senozhatsky@...omium.org, 
	yosry.ahmed@...ux.dev, linuxppc-dev@...ts.ozlabs.org, linux-mm@...ck.org, 
	maddy@...ux.ibm.com, mpe@...erman.id.au, npiggin@...il.com, 
	christophe.leroy@...roup.eu, naveen@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [BUG][powerpc] OOPs: Kernel access of bad area during zram swap
 write - kswapd0 crash

Hi,

On (25/05/06 11:09), Misbah Anjum N wrote:
> I am facing this issue even with the latest kernel: 6.15.0-rc4-g5721cf0b9352
> The suspecting commit is: 44f76413496ec343da0d8292ceecdcabe3e6ec16. The
> commit introduces zs_obj_write() function.
> Link: https://github.com/torvalds/linux/commit/44f76413496ec343da0d8292ceecdcabe3e6ec16

Can you try the following fix
https://lore.kernel.org/linux-mm/20250504110650.2783619-1-senozhatsky@chromium.org