Fix PR_SET_PTRACER applicability to non-leader threads.

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	if (!thread_group_leader(tracee))
		tracee = rcu_dereference(tracee->group_leader);

in security/yama/yama_lsm.c:ptracer_exception_found().

PiperOrigin-RevId: 381074242

1 files changed, 9 insertions, 1 deletions

diff --git a/test/util/posix_error.h b/test/util/posix_error.h
index 9ca09b77c..40853cb21 100644
--- a/test/util/posix_error.h
+++ b/test/util/posix_error.h
@@ -385,7 +385,7 @@ class PosixErrorIsMatcher {
 };
 
 // Returns a gMock matcher that matches a PosixError or PosixErrorOr<> whose
-// whose error code matches code_matcher, and whose error message matches
+// error code matches code_matcher, and whose error message matches
 // message_matcher.
 template <typename ErrorCodeMatcher>
 PosixErrorIsMatcher PosixErrorIs(
@@ -395,6 +395,14 @@ PosixErrorIsMatcher PosixErrorIs(
                              std::move(message_matcher));
 }
 
+// Returns a gMock matcher that matches a PosixError or PosixErrorOr<> whose
+// error code matches code_matcher.
+template <typename ErrorCodeMatcher>
+PosixErrorIsMatcher PosixErrorIs(ErrorCodeMatcher&& code_matcher) {
+  return PosixErrorIsMatcher(std::forward<ErrorCodeMatcher>(code_matcher),
+                             ::testing::_);
+}
+
 // Returns a gMock matcher that matches a PosixErrorOr<> which is ok() and
 // value matches the inner matcher.
 template <typename InnerMatcher>