linux-kernel - Re: [syzbot] [ntfs3?] WARNING in wnd_add_free

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Date:   Mon, 20 Nov 2023 15:01:05 -0800
From:   syzbot <syzbot+5b2f934f08ab03d473ff@...kaller.appspotmail.com>
To:     almaz.alexandrovich@...agon-software.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        ntfs3@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] WARNING in wnd_add_free_ext (2)

syzbot suspects this issue was fixed by commit:

commit 4ad5c924df6cd6d85708fa23f9d9a2b78a2e428e
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Fri Sep 22 10:07:59 2023 +0000

    fs/ntfs3: Allow repeated call to ntfs3_put_sbi

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15283368e80000
start commit:   dd72f9c7e512 Merge tag 'spi-fix-v6-6-rc4' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=4471dbb58008c9f2
dashboard link: https://syzkaller.appspot.com/bug?extid=5b2f934f08ab03d473ff
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15665425680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1618cd9d680000

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

#syz fix: fs/ntfs3: Allow repeated call to ntfs3_put_sbi

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