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3 Commits

Author SHA1 Message Date
Kees Cook 5b777131bd lkdtm: Add CONFIG hints in errors where possible 
For various failure conditions, try to include some details about where
to look for reasons about the failure.

Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210623203936.3151093-8-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-24 15:32:08 +02:00
Alexander Popov 01c0514ec8 lkdtm/stackleak: Make the test more verbose 
Make the stack erasing test more verbose about the errors that it
can detect.

Signed-off-by: Alexander Popov <alex.popov@linux.com>
Cc: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200102234907.585508-1-alex.popov@linux.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-02-10 13:43:38 -08:00
Alexander Popov f90d1e0c78 lkdtm: Add a test for STACKLEAK 
Introduce an lkdtm test for the STACKLEAK feature: check that the
current task stack is properly erased (filled with STACKLEAK_POISON).

Signed-off-by: Alexander Popov <alex.popov@linux.com>
Signed-off-by: Tycho Andersen <tycho@tycho.ws>
Tested-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
 2018-09-04 10:35:47 -07:00