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Diffstat (limited to '')
| -rw-r--r-- | debian/patches/features/all/lockdown/0009-hibernate-Disable-when-the-kernel-is-locked-down.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/debian/patches/features/all/lockdown/0009-hibernate-Disable-when-the-kernel-is-locked-down.patch b/debian/patches/features/all/lockdown/0009-hibernate-Disable-when-the-kernel-is-locked-down.patch new file mode 100644 index 000000000..56060f80a --- /dev/null +++ b/debian/patches/features/all/lockdown/0009-hibernate-Disable-when-the-kernel-is-locked-down.patch @@ -0,0 +1,31 @@ +From: Josh Boyer <jwboyer@fedoraproject.org> +Date: Wed, 8 Nov 2017 15:11:33 +0000 +Subject: [09/29] hibernate: Disable when the kernel is locked down +Origin: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit?id=480ddca2a40c2efd1c01cfa20d8f6c1377ddafe3 + +There is currently no way to verify the resume image when returning +from hibernate. This might compromise the signed modules trust model, +so until we can work with signed hibernate images we disable it when the +kernel is locked down. + +Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org> +Signed-off-by: David Howells <dhowells@redhat.com> +Reviewed-by: "Lee, Chun-Yi" <jlee@suse.com> +cc: linux-pm@vger.kernel.org +--- + kernel/power/hibernate.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +Index: linux/kernel/power/hibernate.c +=================================================================== +--- linux.orig/kernel/power/hibernate.c ++++ linux/kernel/power/hibernate.c +@@ -70,7 +70,7 @@ static const struct platform_hibernation + + bool hibernation_available(void) + { +- return (nohibernate == 0); ++ return nohibernate == 0 && !kernel_is_locked_down("Hibernation"); + } + + /** |