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lkdtm: Update tests for memcpy() run-time warnings

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Clarify the LKDTM FORTIFY tests, and add tests for the mem*() family of
functions, now that run-time checking is distinct.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Kees Cook
2022-08-31 23:05:01 -07:00
parent 54d9469bc5
commit 325bf6d84b
2 changed files with 88 additions and 16 deletions
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8
tools/testing/selftests/lkdtm/tests.txt
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@@ -75,7 +75,9 @@ USERCOPY_KERNEL
STACKLEAK_ERASING OK: the rest of the thread stack is properly erased
CFI_FORWARD_PROTO
CFI_BACKWARD call trace:|ok: control flow unchanged
FORTIFIED_STRSCPY
FORTIFIED_OBJECT
FORTIFIED_SUBOBJECT
FORTIFY_STRSCPY detected buffer overflow
FORTIFY_STR_OBJECT detected buffer overflow
FORTIFY_STR_MEMBER detected buffer overflow
FORTIFY_MEM_OBJECT detected buffer overflow
FORTIFY_MEM_MEMBER detected field-spanning write
PPC_SLB_MULTIHIT Recovered