Re: [PATCH v2] lib: overflow: Convert to Kunit

[Guenter Roeck]

Hi,

On Wed, Feb 23, 2022 at 09:48:25PM -0800, Kees Cook wrote:
> Convert overflow unit tests to KUnit, for better integration into the
> kernel self test framework. Includes a rename of test_overflow.c to
> overflow_kunit.c, and CONFIG_TEST_OVERFLOW to CONFIG_OVERFLOW_KUNIT_TEST.
> 

This patch results in lots of test build failures
due to large frame sizes.

Building i386:allyesconfig ... failed
--------------
Error log:
lib/overflow_kunit.c: In function 'overflow_size_helpers_test':
lib/overflow_kunit.c:644:1: error: the frame size of 2480 bytes is larger than 2048 bytes

Building i386:allmodconfig ... failed
--------------
Error log:
lib/overflow_kunit.c: In function 'overflow_size_helpers_test':
lib/overflow_kunit.c:644:1: error: the frame size of 2480 bytes is larger than 2048 bytes

Building mips:allmodconfig ... failed
--------------
Error log:
lib/overflow_kunit.c: In function 'overflow_size_helpers_test':
lib/overflow_kunit.c:644:1: error: the frame size of 2864 bytes is larger than 2048 bytes

Building powerpc:allmodconfig ... failed
--------------
Error log:
lib/overflow_kunit.c: In function 'overflow_size_helpers_test':
lib/overflow_kunit.c:644:1: error: the frame size of 3904 bytes is larger than 2048 bytes

Guenter