Re: [PATCH] kunit: Fix NULL-dereference in kunit_init_suite() if suite->log is NULL

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On Mon, Dec 18, 2023 at 10:17 AM Richard Fitzgerald
<rf@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
> suite->log must be checked for NULL before passing it to
> string_stream_clear(). This was done in kunit_init_test() but was missing
> from kunit_init_suite().
>
> Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx>
> Fixes: 6d696c4695c5 ("kunit: add ability to run tests after boot using debugfs")

Hello!

This looks good! Thanks! Sorry I did not catch this earlier.

Reviewed-by: Rae Moar <rmoar@xxxxxxxxxx>

-Rae

> ---
>  lib/kunit/test.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/lib/kunit/test.c b/lib/kunit/test.c
> index e803d998e855..ea7f0913e55a 100644
> --- a/lib/kunit/test.c
> +++ b/lib/kunit/test.c
> @@ -658,7 +658,9 @@ static void kunit_init_suite(struct kunit_suite *suite)
>         kunit_debugfs_create_suite(suite);
>         suite->status_comment[0] = '\0';
>         suite->suite_init_err = 0;
> -       string_stream_clear(suite->log);
> +
> +       if (suite->log)
> +               string_stream_clear(suite->log);
>  }
>
>  bool kunit_enabled(void)
> --
> 2.30.2
>





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