From: Amir Goldstein <amir73il@gmail.com>
To: syzbot <syzbot+b42fe626038981fb7bfa@syzkaller.appspotmail.com>
Cc: hdanton@sina.com, linux-fsdevel@vger.kernel.org,
linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, linux-unionfs@vger.kernel.org,
miklos@szeredi.hu, mszeredi@redhat.com,
syzbot@syzkalhler.appspotmail.com,
syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk,
zohar@linux.ibm.com, zohar@us.ibm.com
Subject: Re: [syzbot] [integrity] [overlayfs] possible deadlock in mnt_want_write (2)
Date: Thu, 5 Oct 2023 12:36:04 +0300 [thread overview]
Message-ID: <CAOQ4uxhbNyDzf0_fFh1Yy5Kz2Coz=gTrfOtsmteE0=ncibBnpw@mail.gmail.com> (raw)
In-Reply-To: <000000000000accfd30606e6bcd0@google.com>
On Wed, Oct 4, 2023 at 7:45 PM syzbot
<syzbot+b42fe626038981fb7bfa@syzkaller.appspotmail.com> wrote:
>
> syzbot has bisected this issue to:
>
> commit 708fa01597fa002599756bf56a96d0de1677375c
> Author: Miklos Szeredi <mszeredi@redhat.com>
> Date: Mon Apr 12 10:00:37 2021 +0000
>
> ovl: allow upperdir inside lowerdir
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17ad11b2680000
> start commit: 3aba70aed91f Merge tag 'gpio-fixes-for-v6.6-rc3' of git://..
> git tree: upstream
> final oops: https://syzkaller.appspot.com/x/report.txt?x=146d11b2680000
> console output: https://syzkaller.appspot.com/x/log.txt?x=106d11b2680000
> kernel config: https://syzkaller.appspot.com/x/.config?x=e4ca82a1bedd37e4
> dashboard link: https://syzkaller.appspot.com/bug?extid=b42fe626038981fb7bfa
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1304fba6680000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13cec0dc680000
>
> Reported-by: syzbot+b42fe626038981fb7bfa@syzkaller.appspotmail.com
> Fixes: 708fa01597fa ("ovl: allow upperdir inside lowerdir")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
#syz test: https://github.com/amir73il/linux ima-ovl-fix
next prev parent reply other threads:[~2023-10-05 16:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <00000000000067d24205c4d0e599@google.com>
2021-07-19 15:11 ` [syzbot] possible deadlock in mnt_want_write (2) Miklos Szeredi
2021-07-22 13:50 ` Mimi Zohar
2022-07-02 17:27 ` syzbot
2022-07-05 12:53 ` Mimi Zohar
[not found] ` <20220706121038.2045-1-hdanton@sina.com>
2022-07-06 22:24 ` Mimi Zohar
2023-06-06 9:12 ` Miklos Szeredi
2023-06-06 9:12 ` syzbot
2023-06-06 9:13 ` Miklos Szeredi
2023-10-04 16:45 ` [syzbot] [integrity] [overlayfs] " syzbot
2023-10-05 9:36 ` Amir Goldstein [this message]
2023-10-05 9:59 ` syzbot
2023-10-05 10:26 ` Amir Goldstein
2023-10-05 10:46 ` syzbot
2023-10-05 11:47 ` Mimi Zohar
2023-10-05 13:22 ` Amir Goldstein
2023-10-05 13:35 ` Mimi Zohar
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