nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()

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[ Upstream commit 8ae5b3a685 ]

The nvme_fc_fcp_op structure describing an AEN operation is initialized with a
null request structure pointer. An FC LLDD may make a call to
nvme_fc_io_getuuid passing a pointer to an nvmefc_fcp_req for an AEN operation.

Add validation of the request structure pointer before dereference.

Signed-off-by: Nigel Kirkland <nkirkland2304@gmail.com>
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Nigel Kirkland 2023-08-17 12:43:01 -07:00 • committed by Greg Kroah-Hartman

parent 36b29974a7

commit be90c9e29d

1 changed files with 1 additions and 1 deletions

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drivers/nvme/host/fc.c

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