Re: [syzbot] [mm?] WARNING in hpage_collapse_scan_pmd (2)
From: syzbot
Date: Thu Aug 15 2024 - 12:10:12 EST
syzbot suspects this issue was fixed by commit:
commit c88033efe9a391e72ba6b5df4b01d6e628f4e734
Author: Peter Xu <peterx@xxxxxxxxxx>
Date: Mon Apr 22 13:33:11 2024 +0000
mm/userfaultfd: reset ptes when close() for wr-protected ones
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12f2396b980000
start commit: e67572cd2204 Linux 6.9-rc6
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=3310e643b6ef5d69
dashboard link: https://syzkaller.appspot.com/bug?extid=5ea2845f44caa77f5543
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10874a40980000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: mm/userfaultfd: reset ptes when close() for wr-protected ones
For information about bisection process see: https://goo.gl/tpsmEJ#bisection