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The kselftest test harness has traditionally not run the registered TEARDOWN handler when a test encountered an ASSERT. This creates unexpected situations and tests need to be very careful about using ASSERT, which seems a needless hurdle for test writers. Because of the harness's design for optional failure handlers, the original implementation of ASSERT used an abort() to immediately stop execution, but that meant the context for running teardown was lost. Instead, use setjmp/longjmp so that teardown can be done. Failed SETUP routines continue to not be followed by TEARDOWN, though. Cc: Andy Lutomirski <luto@amacapital.net> Cc: Will Drewry <wad@chromium.org> Cc: Shuah Khan <shuah@kernel.org> Cc: linux-kselftest@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>