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SubjectRe: [PATCH net] RDS: Check cmsg_len before dereferencing CMSG_DATA
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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.

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