Re: [PATCH 2/2] kunit: string: add strnlen SIZE_MAX test coverage

gao.rui at zte.com.cn gao.rui at zte.com.cn
Thu Jul 23 02:37:53 PDT 2026


>> Extend string_test_strnlen to validate strnlen behavior with
>> SIZE_MAX input:
>> ...
>> +            /* Test Count overflow fallback */
>> +            KUNIT_EXPECT_EQ(test, strnlen(s, SSIZE_MAX), len);

On 2026/7/22 15:10, Feng Jiang wrote:
> A similar patch has already been submitted:
> https://lore.kernel.org/all/20260526085913.429049-1-min_halo@163.com/Thanks for the pointer.

I checked the patch, but it does not actually cover the **Count overflow** case.
so my patch adds an explicit case for `strnlen(s, SIZE_MAX)`.
--
Best regards,
Gao Rui



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