On Fri, May 03, 2024, Mickaël Salaün wrote: > If TEST_F() explicitly calls exit(code) with code different than 0, then > _metadata->exit_code is set to this code (e.g. KVM_ONE_VCPU_TEST()). We > need to keep in mind that _metadata->exit_code can be KSFT_SKIP while > the process exit code is 0. > > Initial patch written by Sean Christopherson [1].
Heh, my pseudo patch barely has any relevance at this point. How about replacing that with: Reported-by: Sean Christopherson <[email protected]> Closes: https://lore.kernel.org/r/[email protected] > Cc: Jakub Kicinski <[email protected]> > Cc: Kees Cook <[email protected]> > Cc: Mark Brown <[email protected]> > Cc: Sean Christopherson <[email protected]> > Cc: Shuah Khan <[email protected]> > Cc: Will Drewry <[email protected]> > Link: https://lore.kernel.org/r/[email protected] [1] > Fixes: 0710a1a73fb4 ("selftests/harness: Merge TEST_F_FORK() into TEST_F()") > Signed-off-by: Mickaël Salaün <[email protected]> > Link: https://lore.kernel.org/r/[email protected] > --- > > Changes since v4: > * Check abort status when the grandchild exited. > * Keep the _exit(0) calls because _metadata->exit_code is always > checked. > * Only set _metadata->exit_code to WEXITSTATUS() if it is not zero. > > Changes since v3: > * New patch mainly from Sean Christopherson. > --- > tools/testing/selftests/kselftest_harness.h | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/kselftest_harness.h > b/tools/testing/selftests/kselftest_harness.h > index eb25f7c11949..7612bf09c5f8 100644 > --- a/tools/testing/selftests/kselftest_harness.h > +++ b/tools/testing/selftests/kselftest_harness.h > @@ -462,9 +462,13 @@ static inline pid_t clone3_vfork(void) > munmap(teardown, sizeof(*teardown)); \ > if (self && fixture_name##_teardown_parent) \ > munmap(self, sizeof(*self)); \ > - if (!WIFEXITED(status) && WIFSIGNALED(status)) \ > + if (WIFEXITED(status)) { \ > + if (WEXITSTATUS(status)) \ > + _metadata->exit_code = WEXITSTATUS(status); \ Ah, IIUC, this works because __run_test() effectively forwards the exit_code? } else if (t->pid == 0) { setpgrp(); t->fn(t, variant); _exit(t->exit_code); } Tested-by: Sean Christopherson <[email protected]> > + } else if (WIFSIGNALED(status)) { \ > /* Forward signal to __wait_for_test(). */ \ > kill(getpid(), WTERMSIG(status)); \ > + } \ > __test_check_assert(_metadata); \ > } \ > static void __attribute__((constructor)) \ > -- > 2.45.0 >
