linux-kernel - Re: [syzbot] [mm?] general protection fault in __pte_offset_map

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Message-ID: <6788f4fe.050a0220.20d369.0035.GAE@google.com>
Date: Thu, 16 Jan 2025 04:01:02 -0800
From: syzbot <syzbot+f96e045d95fe10c0e800@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, david@...hat.com, hughd@...gle.com, 
	jannh@...gle.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	lorenzo.stoakes@...cle.com, syzkaller-bugs@...glegroups.com, 
	zhengqi.arch@...edance.com
Subject: Re: [syzbot] [mm?] general protection fault in __pte_offset_map_lock

syzbot suspects this issue was fixed by commit:

commit 6fa1066fc5d00cb9f1b0e83b7ff6ef98d26ba2aa
Author: Jann Horn <jannh@...gle.com>
Date:   Mon Oct 7 21:42:04 2024 +0000

    mm/mremap: fix move_normal_pmd/retract_page_tables race

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14b029df980000
start commit:   f03359bca01b Merge tag 'for-6.9-rc6-tag' of git://git.kern..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=3714fc09f933e505
dashboard link: https://syzkaller.appspot.com/bug?extid=f96e045d95fe10c0e800
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1457b450980000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mm/mremap: fix move_normal_pmd/retract_page_tables race

For information about bisection process see: https://goo.gl/tpsmEJ#bisection