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

syzbot
2025-04-13T21:44:04Z

syzbot has bisected this issue to:

commit 7ee3647243e5c4a9d74d4c7ec621eac75c6d37ea
Author: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Wed Apr 2 14:59:57 2025 +0000

migrate: Remove call to ->writepage

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15be8fe4580000
start commit: 01c6df60d5d4 Add linux-next specific files for 20250411
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=17be8fe4580000
console output: https://syzkaller.appspot.com/x/log.txt?x=13be8fe4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=db03cefa26ecf825
dashboard link: https://syzkaller.appspot.com/bug?extid=8bb6fd945af4e0ad9299
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10afca3f980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=116f5c04580000

Reported-by: syzbot+8bb6fd945af4e0ad9299@syzkaller.appspotmail.com
Fixes: 7ee3647243e5 ("migrate: Remove call to ->writepage")

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