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From: syzbot <syzbot+75867c44841cb6373570@syzkaller.appspotmail.com>
To: Markus.Elfring@web.de, casey@schaufler-ca.com, dancol@google.com,
	hdanton@sina.com, jmorris@namei.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	stephen.smalley.work@gmail.com, syzkaller-bugs@googlegroups.com,
	viro@zeniv.linux.org.uk
Subject: Re: KASAN: use-after-free Read in userfaultfd_release (2)
Date: Mon, 13 Jul 2020 08:34:06 -0700	[thread overview]
Message-ID: <000000000000cfc8ff05aa546b84@google.com> (raw)
In-Reply-To: <0000000000001bbb6705aa49635a@google.com>

syzbot has bisected this bug to:

commit d08ac70b1e0dc71ac2315007bcc3efb283b2eae4
Author: Daniel Colascione <dancol@google.com>
Date:   Wed Apr 1 21:39:03 2020 +0000

    Wire UFFD up to SELinux

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14a79d13100000
start commit:   89032636 Add linux-next specific files for 20200708
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=16a79d13100000
console output: https://syzkaller.appspot.com/x/log.txt?x=12a79d13100000
kernel config:  https://syzkaller.appspot.com/x/.config?x=64a250ebabc6c320
dashboard link: https://syzkaller.appspot.com/bug?extid=75867c44841cb6373570
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13c4c8db100000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12cbb68f100000

Reported-by: syzbot+75867c44841cb6373570@syzkaller.appspotmail.com
Fixes: d08ac70b1e0d ("Wire UFFD up to SELinux")

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

  reply	other threads:[~2020-07-13 15:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-13  2:24 syzbot
2020-07-13 15:34 ` syzbot [this message]
2020-07-17 15:05   ` Qian Cai
2020-07-20 15:50     ` Qian Cai
2020-07-21  4:32       ` Stephen Rothwell
     [not found] ` <20200713084512.10416-1-hdanton@sina.com>
2020-07-20 16:00   ` Al Viro
2020-07-20 23:46     ` Daniel Colascione

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