Re: [syzbot] [nilfs?] kernel BUG in folio_end_writeback

From: syzbot
Date: Sun Aug 20 2023 - 14:41:59 EST


syzbot suspects this issue was fixed by commit:

commit 92c5d1b860e9581d64baca76779576c0ab0d943d
Author: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Date: Fri May 26 02:13:32 2023 +0000

nilfs2: reject devices with insufficient block count

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=170c6337a80000
start commit: 929ed21dfdb6 Merge tag '6.4-rc4-smb3-client-fixes' of git:..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=3da6c5d3e0a6c932
dashboard link: https://syzkaller.appspot.com/bug?extid=7e5cf1d80677ec185e63
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16cb3b69280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f34201280000

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

#syz fix: nilfs2: reject devices with insufficient block count

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