linux-kernel - Re: [syzbot] [kernel?] KASAN: slab-out-of-bounds Read in change_page_attr_set

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Message-ID: <f1849e0d-2cd9-4292-8fac-426a39f54d7f@intel.com>
Date: Mon, 20 Oct 2025 16:21:45 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: syzbot <syzbot+e34177f6091df113ef20@...kaller.appspotmail.com>,
 akpm@...ux-foundation.org, bp@...en8.de, chandna.linuxkernel@...il.com,
 dave.hansen@...ux.intel.com, hpa@...or.com, kas@...nel.org,
 kevin.brodsky@....com, linux-kernel@...r.kernel.org, luto@...nel.org,
 mingo@...hat.com, nooraineqbal@...il.com, peterz@...radead.org,
 riel@...riel.com, rppt@...nel.org, syzkaller-bugs@...glegroups.com,
 tglx@...utronix.de, x86@...nel.org, yu-cheng.yu@...el.com
Subject: Re: [syzbot] [kernel?] KASAN: slab-out-of-bounds Read in
 change_page_attr_set_clr

On 10/20/25 02:16, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit 86e6815b316ec0ea8c4bb3c16a033219a52b6060
> Author: Yu-cheng Yu <yu-cheng.yu@...el.com>
> Date:   Fri Jun 6 17:10:35 2025 +0000

A fix for this _just_ went up in x86/urgent yesterday:

	https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=x86/urgent&id=f25785f9b088ed65089dd0d0034da52858417839

Thanks for the report, though, syzbot folks!