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authorStephen Kitt <steve@sk2.org>2021-11-05 23:45:18 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-06 23:30:43 +0300
commit53944f171a89dff4e2a3d76f42e6eedb551bb861 (patch)
tree2d720c303bb58dab484b7bc778d1f94ec1828d43 /arch/powerpc/configs
parent755804d16965888bb069a4cd39005b97ba9e11fd (diff)
downloadlinux-53944f171a89dff4e2a3d76f42e6eedb551bb861.tar.xz
mm: remove HARDENED_USERCOPY_FALLBACK
This has served its purpose and is no longer used. All usercopy violations appear to have been handled by now, any remaining instances (or new bugs) will cause copies to be rejected. This isn't a direct revert of commit 2d891fbc3bb6 ("usercopy: Allow strict enforcement of whitelists"); since usercopy_fallback is effectively 0, the fallback handling is removed too. This also removes the usercopy_fallback module parameter on slab_common. Link: https://github.com/KSPP/linux/issues/153 Link: https://lkml.kernel.org/r/20210921061149.1091163-1-steve@sk2.org Signed-off-by: Stephen Kitt <steve@sk2.org> Suggested-by: Kees Cook <keescook@chromium.org> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Joel Stanley <joel@jms.id.au> [defconfig change] Acked-by: David Rientjes <rientjes@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: James Morris <jmorris@namei.org> Cc: "Serge E . Hallyn" <serge@hallyn.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/configs')
-rw-r--r--arch/powerpc/configs/skiroot_defconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig
index b806a5d3a695..c3ba614c973d 100644
--- a/arch/powerpc/configs/skiroot_defconfig
+++ b/arch/powerpc/configs/skiroot_defconfig
@@ -275,7 +275,6 @@ CONFIG_NLS_UTF8=y
CONFIG_ENCRYPTED_KEYS=y
CONFIG_SECURITY=y
CONFIG_HARDENED_USERCOPY=y
-# CONFIG_HARDENED_USERCOPY_FALLBACK is not set
CONFIG_HARDENED_USERCOPY_PAGESPAN=y
CONFIG_FORTIFY_SOURCE=y
CONFIG_SECURITY_LOCKDOWN_LSM=y