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From: syzbot <syzbot+b42fe626038981fb7bfa@syzkaller.appspotmail.com>
To: amir73il@gmail.com, 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: Wed, 04 Oct 2023 09:45:37 -0700	[thread overview]
Message-ID: <000000000000accfd30606e6bcd0@google.com> (raw)
In-Reply-To: <00000000000067d24205c4d0e599@google.com>

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

  parent reply	other threads:[~2023-10-04 16:45 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-15 16:59 [syzbot] possible deadlock in mnt_want_write (2) syzbot
2021-07-19 15:11 ` Miklos Szeredi
2021-07-22 13:50   ` Mimi Zohar
2022-07-02 17:27 ` syzbot
2022-07-05 12:53   ` Mimi Zohar
2022-07-06 12:10     ` Hillf Danton
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 [this message]
2023-10-05  9:36   ` [syzbot] [integrity] [overlayfs] " Amir Goldstein
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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