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lockdown: Lock down module params that specify hardware parameters (eg. ioport)

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Provided an annotation for module parameters that specify hardware
parameters (such as io ports, iomem addresses, irqs, dma channels, fixed
dma buffers and other types).

Suggested-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Jessica Yu <jeyu@kernel.org>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells
2019-08-19 17:17:55 -07:00
committed by James Morris
parent 794edf30ee
commit 20657f66ef
3 changed files with 18 additions and 5 deletions
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1
include/linux/security.h
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@@ -113,6 +113,7 @@ enum lockdown_reason {
LOCKDOWN_ACPI_TABLES,
LOCKDOWN_PCMCIA_CIS,
LOCKDOWN_TIOCSSERIAL,
LOCKDOWN_MODULE_PARAMETERS,
LOCKDOWN_INTEGRITY_MAX,
LOCKDOWN_CONFIDENTIALITY_MAX,
};