Re: [syzbot] [mm?] general protection fault in __pte_offset_map_lock

From: syzbot
Date: Thu Jan 16 2025 - 07:01:41 EST


syzbot suspects this issue was fixed by commit:

commit 6fa1066fc5d00cb9f1b0e83b7ff6ef98d26ba2aa
Author: Jann Horn <jannh@xxxxxxxxxx>
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