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| author | Kees Cook <keescook@chromium.org> | 2021-06-23 22:39:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-24 15:32:08 +0200 |
| commit | 5b777131bd8005acaf7e9d6e7690214155f42890 (patch) | |
| tree | 4b3e3a8e9964132b55e5d9fc56ca91e8cea9d7dd /tools | |
| parent | lkdtm: Enable DOUBLE_FAULT on all architectures (diff) | |
| download | linux-5b777131bd8005acaf7e9d6e7690214155f42890.tar.xz linux-5b777131bd8005acaf7e9d6e7690214155f42890.zip | |
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>
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/selftests/lkdtm/stack-entropy.sh | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/lkdtm/stack-entropy.sh b/tools/testing/selftests/lkdtm/stack-entropy.sh index b1b8a5097cbb..1b4d95d575f8 100755 --- a/tools/testing/selftests/lkdtm/stack-entropy.sh +++ b/tools/testing/selftests/lkdtm/stack-entropy.sh @@ -30,6 +30,7 @@ rm -f "$log" # We would expect any functional stack randomization to be at least 5 bits. if [ "$bits" -lt 5 ]; then + echo "Stack entropy is low! Booted without 'randomize_kstack_offset=y'?" exit 1 else exit 0 |