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| author | Kees Cook <keescook@chromium.org> | 2021-06-23 13:39:34 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-24 15:32:08 +0200 |
| commit | 5b777131bd8005acaf7e9d6e7690214155f42890 (patch) | |
| tree | 4b3e3a8e9964132b55e5d9fc56ca91e8cea9d7dd /drivers/misc/lkdtm/fortify.c | |
| parent | f123c42bbeff26bfe8bdb08a01307e92d51eec39 (diff) | |
| download | cachepc-linux-5b777131bd8005acaf7e9d6e7690214155f42890.tar.gz cachepc-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 'drivers/misc/lkdtm/fortify.c')
| -rw-r--r-- | drivers/misc/lkdtm/fortify.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/misc/lkdtm/fortify.c b/drivers/misc/lkdtm/fortify.c index faf29cf04baa..0f51d31b57ca 100644 --- a/drivers/misc/lkdtm/fortify.c +++ b/drivers/misc/lkdtm/fortify.c @@ -76,7 +76,8 @@ void lkdtm_FORTIFIED_STRSCPY(void) */ strscpy(dst, src, strlen(src)); - pr_warn("FAIL: No overflow in above strscpy()\n"); + pr_err("FAIL: strscpy() overflow not detected!\n"); + pr_expected_config(CONFIG_FORTIFY_SOURCE); kfree(src); } |