From: David Miller <davem@davemloft.net>
To: avinash.repaka@oracle.com
Cc: santosh.shilimkar@oracle.com, netdev@vger.kernel.org,
linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] RDS: Check cmsg_len before dereferencing CMSG_DATA
Date: Wed, 27 Dec 2017 10:37:54 -0500 (EST) [thread overview]
Message-ID: <20171227.103754.1156659391056933085.davem@davemloft.net> (raw)
In-Reply-To: <1513916224-9445-1-git-send-email-avinash.repaka@oracle.com>
From: Avinash Repaka <avinash.repaka@oracle.com>
Date: Thu, 21 Dec 2017 20:17:04 -0800
> RDS currently doesn't check if the length of the control message is
> large enough to hold the required data, before dereferencing the control
> message data. This results in following crash:
...
> To fix this, we verify that the cmsg_len is large enough to hold the
> data to be read, before proceeding further.
>
> Reported-by: syzbot <syzkaller-bugs@googlegroups.com>
> Signed-off-by: Avinash Repaka <avinash.repaka@oracle.com>
Applied and queued up for -stable, thanks.
prev parent reply other threads:[~2017-12-27 15:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-22 4:17 Avinash Repaka
2017-12-22 6:58 ` santosh.shilimkar
2017-12-22 12:55 ` Yuval Shaia
2017-12-27 15:37 ` David Miller [this message]
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