linux-kernel - Re: [syzbot] [nilfs?] kernel BUG in folio_end

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Date:   Sun, 20 Aug 2023 11:41:23 -0700
From:   syzbot <syzbot+7e5cf1d80677ec185e63@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, brauner@...nel.org,
        konishi.ryusuke@...il.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-nilfs@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk, willy@...radead.org
Subject: Re: [syzbot] [nilfs?] kernel BUG in folio_end_writeback

syzbot suspects this issue was fixed by commit:

commit 92c5d1b860e9581d64baca76779576c0ab0d943d
Author: Ryusuke Konishi <konishi.ryusuke@...il.com>
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