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From: Greg KH <gregkh@linuxfoundation.org>
To: Peilin Ye <yepeilin.cs@gmail.com>
Cc: Johan Hedberg <johan.hedberg@gmail.com>,
	netdev@vger.kernel.org, Marcel Holtmann <marcel@holtmann.org>,
	syzkaller-bugs@googlegroups.com,
	Russell King <linux@armlinux.org.uk>,
	linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org,
	Jakub Kicinski <kuba@kernel.org>,
	linux-kernel-mentees@lists.linuxfoundation.org,
	"David S . Miller" <davem@davemloft.net>
Subject: Re: [Linux-kernel-mentees] [PATCH v2] net/bluetooth: Fix slab-out-of-bounds read in hci_extended_inquiry_result_evt()
Date: Fri, 10 Jul 2020 12:43:06 +0200	[thread overview]
Message-ID: <20200710104306.GA1229536@kroah.com> (raw)
In-Reply-To: <20200709130224.214204-1-yepeilin.cs@gmail.com>

On Thu, Jul 09, 2020 at 09:02:24AM -0400, Peilin Ye wrote:
> Check upon `num_rsp` is insufficient. A malformed event packet with a
> large `num_rsp` number makes hci_extended_inquiry_result_evt() go out
> of bounds. Fix it.
> 
> This patch fixes the following syzbot bug:
> 
>     https://syzkaller.appspot.com/bug?id=4bf11aa05c4ca51ce0df86e500fce486552dc8d2
> 
> Reported-by: syzbot+d8489a79b781849b9c46@syzkaller.appspotmail.com
> Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bluetooth maintainers, can you also add a cc: stable on this so it gets
picked up properly there?

thanks,

greg k-h
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  reply	other threads:[~2020-07-10 10:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-09  5:18 [Linux-kernel-mentees] [PATCH] net/bluetooth: Fix slab-out-of-bounds read in hci_extended_inquiry_result_evt() Peilin Ye
2020-07-09 13:02 ` [Linux-kernel-mentees] [PATCH v2] " Peilin Ye
2020-07-10 10:43   ` Greg KH [this message]
2020-07-10 16:09   ` [Linux-kernel-mentees] [PATCH v3] " Peilin Ye
2020-07-10 17:08     ` Marcel Holtmann
2021-07-01 15:39   ` maybe similar bug exists for HCI_EV_INQUIRY_RESULT* like [Linux-kernel-mentees] [PATCH v2] net/bluetooth: " Alexander Larkin
2021-07-01 21:06     ` Peilin Ye

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