scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input

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[ Upstream commit f8191d40aa ]

Malformed user input to debugfs results in buffer overflow crashes.  Adapt
input string lengths to fit within internal buffers, leaving space for NULL
terminators.

Link: https://lore.kernel.org/r/20220701211425.2708-3-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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James Smart 2022-07-01 14:14:15 -07:00 • committed by Greg Kroah-Hartman

parent 92f8378250

commit 2d544e9d19

1 changed files with 10 additions and 10 deletions

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drivers/scsi/lpfc/lpfc_debugfs.c

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