Re: [syzbot] [mm?] WARNING in copy_hugetlb_page_range

From: syzbot
Date: Wed Oct 04 2023 - 01:16:43 EST


syzbot has bisected this issue to:

commit 446503572dc452fc544d6898113feb0f3801477b
Author: Rik van Riel <riel@xxxxxxxxxxx>
Date: Sun Oct 1 00:55:50 2023 +0000

hugetlbfs: replace hugetlb_vma_lock with invalidate_lock

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=146c879e680000
start commit: c9f2baaa18b5 Add linux-next specific files for 20231003
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=166c879e680000
console output: https://syzkaller.appspot.com/x/log.txt?x=126c879e680000
kernel config: https://syzkaller.appspot.com/x/.config?x=3fe9c462fee1649f
dashboard link: https://syzkaller.appspot.com/bug?extid=ec78016e3d67860eec28
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11e4b011680000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11772062680000

Reported-by: syzbot+ec78016e3d67860eec28@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 446503572dc4 ("hugetlbfs: replace hugetlb_vma_lock with invalidate_lock")

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