IB/core: Bound check alternate path port number

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The alternate port number is used as an array index in the IB
security implementation, invalid values can result in a kernel panic.

Cc: <stable@vger.kernel.org> # v4.12
Fixes: d291f1a652 ("IB/core: Enforce PKey security on QPs")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Daniel Jurgens 2017-12-05 22:30:01 +02:00 • committed by Doug Ledford

parent 315d160c5a

commit 4cae8ff136

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drivers/infiniband/core/uverbs_cmd.c

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