linux-kernel - Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in move_pages

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Message-ID: <6756d6d8.050a0220.a30f1.019f.GAE@google.com>
Date: Mon, 09 Dec 2024 03:39:04 -0800
From: syzbot <syzbot+1c58afed1cfd2f57efee@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, bp@...en8.de, dave.hansen@...ux.intel.com, 
	hpa@...or.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	mingo@...hat.com, syzkaller-bugs@...glegroups.com, tglx@...utronix.de, 
	x86@...nel.org, zhengqi.arch@...edance.com
Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in move_pages_pte

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+1c58afed1cfd2f57efee@...kaller.appspotmail.com
Tested-by: syzbot+1c58afed1cfd2f57efee@...kaller.appspotmail.com

Tested on:

commit:         6e165f54 mm/page_isolation: fixup isolate_single_pageb..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
console output: https://syzkaller.appspot.com/x/log.txt?x=1760a3e8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3884fb5fa6f2533c
dashboard link: https://syzkaller.appspot.com/bug?extid=1c58afed1cfd2f57efee
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=15aa5944580000

Note: testing is done by a robot and is best-effort only.