Now that we reject conflicting RESOLVE_ flags, add a selftest to avoid
regressions.
Signed-off-by: Aleksa Sarai <cyphar@xxxxxxxxxx>
---
tools/testing/selftests/openat2/openat2_test.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c
index b386367c606b..381d874cce99 100644
--- a/tools/testing/selftests/openat2/openat2_test.c
+++ b/tools/testing/selftests/openat2/openat2_test.c
@@ -155,7 +155,7 @@ struct flag_test {
int err;
};
-#define NUM_OPENAT2_FLAG_TESTS 23
+#define NUM_OPENAT2_FLAG_TESTS 24
void test_openat2_flags(void)
{
@@ -210,6 +210,12 @@ void test_openat2_flags(void)
.how.flags = O_TMPFILE | O_RDWR,
.how.mode = 0x0000A00000000000ULL, .err = -EINVAL },
+ /* ->resolve flags must not conflict. */
+ { .name = "incompatible resolve flags (BENEATH | IN_ROOT)",
+ .how.flags = O_RDONLY,
+ .how.resolve = RESOLVE_BENEATH | RESOLVE_IN_ROOT,
+ .err = -EINVAL },
+
/* ->resolve must only contain RESOLVE_* flags. */
{ .name = "invalid how.resolve and O_RDONLY",
.how.flags = O_RDONLY,
--
2.29.0
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