Linux-Bluetooth Archive on lore.kernel.org
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From: Cong Wang <xiyou.wangcong@gmail.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+b364ed862aa07c74bc62@syzkaller.appspotmail.com>,
	David Miller <davem@davemloft.net>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	linux-bluetooth <linux-bluetooth@vger.kernel.org>,
	"open list:KERNEL BUILD + fi..." <linux-kbuild@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Marcel Holtmann <marcel@holtmann.org>,
	Michal Marek <mmarek@suse.com>, netdev <netdev@vger.kernel.org>,
	syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: KASAN: use-after-free Write in hci_sock_release
Date: Sat, 23 Mar 2019 13:25:08 -0700
Message-ID: <CAM_iQpVHgHM-5NCE+FNZfpH6CWtYdt8BSmHJj_oa7CLKxYKLQw@mail.gmail.com> (raw)
In-Reply-To: <CACT4Y+b0Onk4AB0hkvhXgZPdk+rERFsYAQra681o6QLDH_Ct-g@mail.gmail.com>

On Fri, Mar 22, 2019 at 5:19 AM Dmitry Vyukov <dvyukov@google.com> wrote:
>
> On Fri, Mar 22, 2019 at 1:04 PM syzbot
> <syzbot+b364ed862aa07c74bc62@syzkaller.appspotmail.com> wrote:
> >
> > syzbot has bisected this bug to:
> >
> > commit c470abd4fde40ea6a0846a2beab642a578c0b8cd
> > Author: Linus Torvalds <torvalds@linux-foundation.org>
> > Date:   Sun Feb 19 22:34:00 2017 +0000
> >
> >      Linux 4.10
> >
> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1664c6df200000
> > start commit:   c470abd4 Linux 4.10
> > git tree:       upstream
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=7308e68273924137
> > dashboard link: https://syzkaller.appspot.com/bug?extid=b364ed862aa07c74bc62
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=152532bb400000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13f73320c00000
> >
> > Reported-by: syzbot+b364ed862aa07c74bc62@syzkaller.appspotmail.com
> > Fixes: c470abd4fde4 ("Linux 4.10")
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> The same story of HCI being broken before v4.10, so this is bisected
> to the release.

Does syzbot test the latest upstream? Isn't this supposed to be fixed by

commit e20a2e9c42c9e4002d9e338d74e7819e88d77162
Author: Myungho Jung <mhjungk@gmail.com>
Date:   Sat Feb 2 16:56:36 2019 -0800

    Bluetooth: Fix decrementing reference count twice in releasing socket

?

  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-23 14:38 syzbot
2019-01-04  9:27 ` syzbot
2019-03-22 12:04 ` syzbot
2019-03-22 12:16   ` Dmitry Vyukov
2019-03-23 20:25     ` Cong Wang [this message]
2019-03-25  8:04       ` Dmitry Vyukov
2020-05-16 21:27 ` syzbot

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