linux-kernel - Re: [syzbot] [ntfs3] kernel panic: stack is corrupted in lock

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Message-ID: <000000000000695613060908e8ed@google.com>
Date:   Tue, 31 Oct 2023 13:22:03 -0700
From:   syzbot <syzbot+db99576f362a5c1e9f7a@...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,
        viro@...iv.linux.org.uk
Subject: Re: [syzbot] [ntfs3] kernel panic: stack is corrupted in lock_acquire (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=125d173b680000
start commit:   45a3e24f65e9 Linux 6.4-rc7
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e74b395fe4978721
dashboard link: https://syzkaller.appspot.com/bug?extid=db99576f362a5c1e9f7a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1734eb5b280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12ddb22f280000

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