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(parent: 14e0b9b) | patch
libertas_tf: prevent underflow in process_cmdrequest()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 14 Aug 2018 09:07:48 +0000 (12:07 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 13 Nov 2018 19:08:30 +0000 (11:08 -0800)
commit44e0f15b31d28c57b4061585c33c09fd0b520dbe
tree9d6e84875a8be36a673cb28d5d4c45daf6bcd8b8tree
parent14e0b9bba974d41adcc6a2fd66e3ae67e25bb3e5commit | diff
libertas_tf: prevent underflow in process_cmdrequest()

[ Upstream commit 3348ef6a6a126706d6a73ed40c18d8033df72783 ]

If recvlength is less than MESSAGE_HEADER_LEN (4) we would end up
corrupting memory.

Fixes: c305a19a0d0a ("libertas_tf: usb specific functions")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/marvell/libertas_tf/if_usb.c diff | blob | history