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From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Jonas Rebmann <jre@pengutronix.de>
Cc: Kees Cook <kees@kernel.org>, Andy Shevchenko <andy@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel@pengutronix.de
Subject: Re: [PATCH 1/5] lib/tests: string_helpers: check null terminator too
Date: Thu, 17 Sep 2026 10:14:05 +0300	[thread overview]
Message-ID: <aquTPXq3d2CoW7Am@ashevche-desk.local> (raw)
In-Reply-To: <20260916-string_unescape-v1-1-7f8bd986fa33@pengutronix.de>

On Wed, Sep 16, 2026 at 07:38:06PM +0200, Jonas Rebmann wrote:
> string_unescape() returns the number of character written to dst, not
> counting the null terminator which is always written.
> 
> Ensure string_unescape has included the null terminator by adding a
> separate check.

...

> -	KUNIT_ASSERT_EQ_MSG(test, q_real, q_test, "name:%s", name);
> +	KUNIT_EXPECT_EQ_MSG(test, q_real, q_test, "name:%s", name);
>  				  char *out_test, size_t q_test)

The commit message doesn't explain why it's safe to continue the test if the
first assertion fails. Care to elaborate?

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2026-09-17  7:14 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-16 17:38 [PATCH 0/5] lib/string_helpers: fixes and test cases for string_unescape() Jonas Rebmann
2026-09-16 17:38 ` [PATCH 1/5] lib/tests: string_helpers: check null terminator too Jonas Rebmann
2026-09-17  7:14   ` Andy Shevchenko [this message]
2026-09-17  8:58     ` Jonas Rebmann
2026-09-17  9:07       ` Andy Shevchenko
2026-09-16 17:38 ` [PATCH 2/5] lib/tests: string_helpers: drop unused parameters Jonas Rebmann
2026-09-17  7:18   ` Andy Shevchenko
2026-09-17  8:58     ` Jonas Rebmann
2026-09-16 17:38 ` [PATCH 3/5] lib/tests: string_helpers: introduce test_string_unescape_one Jonas Rebmann
2026-09-17  7:21   ` Andy Shevchenko
2026-09-17  8:58     ` Jonas Rebmann
2026-09-17  9:08       ` Andy Shevchenko
2026-09-17  9:56         ` Jonas Rebmann
2026-09-17 12:17           ` Andy Shevchenko
2026-09-16 17:38 ` [PATCH 4/5] lib/string_helpers: use full destination buffer in string_unescape() Jonas Rebmann
2026-09-17  7:45   ` Andy Shevchenko
2026-09-17  9:02     ` Jonas Rebmann
2026-09-16 17:38 ` [PATCH 5/5] lib/string_helpers: fix counting of remaining bytes " Jonas Rebmann
2026-09-17  8:04   ` Andy Shevchenko
2026-09-16 21:36 ` [PATCH 0/5] lib/string_helpers: fixes and test cases for string_unescape() Andrew Morton
2026-09-16 23:13   ` Eric Biggers
2026-09-17  0:04     ` Andrew Morton

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