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Integrating the following commit:
[
commit 16de0149674ed12d983b77a453852ac2e64584b4
Author: Ben Seri <ben@armis.com>
Date: Sat Sep 9 23:15:59 2017 +0200
Bluetooth: Properly check L2CAP config option output buffer length
Validate the output buffer length for L2CAP config requests and
responses to avoid overflowing the stack buffer used for building the
option blocks.
Cc: stable@vger.kernel.org
Signed-off-by: Ben Seri <ben@armis.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
]
(From OE-Core rev: a7e749a7d03818aaa21265dfb455c1a2766782cc)
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>