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evie/android_kernel_oneplus_msm8998

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test: check copy_to/from_user boundary validation To help avoid an architecture failing to correctly check kernel/user boundaries when handling copy_to_user, copy_from_user, put_user, or get_user, perform some simple tests and fail to load if any of them behave unexpectedly. Specifically, this is to make sure there is a way to notice if things like what was fixed in commit 8404663f81d2 ("ARM: 7527/1: uaccess: explicitly check __user pointer when !CPU_USE_DOMAINS") ever regresses again, for any architecture. Additionally, adds new "user" selftest target, which loads this module. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 2014-01-23 15:54:38 -08:00			`# Makefile for user memory selftests`

			`# No binaries, but make sure arg-less "make" doesn't trigger "run_tests"`
			`all:`

			`run_tests: all`
selftests/user: move test out of Makefile into a shell script Currently user copy test is run from the Makefile. Move it out of the Makefile to be run from a shell script to allow the test to be run as stand-alone test, in addition to allowing the test run from a make target. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> 2014-10-30 16:43:48 -06:00			`./test_user_copy.sh`