Test that extended attributes are permanent.
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
tools/testing/selftests/pidfd/pidfd_xattr_test.c | 35 ++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/tools/testing/selftests/pidfd/pidfd_xattr_test.c b/tools/testing/selftests/pidfd/pidfd_xattr_test.c
index 00d400ac515b..5cf7bb0e4bf2 100644
--- a/tools/testing/selftests/pidfd/pidfd_xattr_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_xattr_test.c
@@ -94,4 +94,39 @@ TEST_F(pidfs_xattr, set_get_list_xattr_multiple)
}
}
+TEST_F(pidfs_xattr, set_get_list_xattr_persistent)
+{
+ int ret;
+ char buf[32];
+ char list[PATH_MAX] = {};
+
+ ret = fsetxattr(self->child_pidfd, "trusted.persistent", "persistent value", strlen("persistent value"), 0);
+ ASSERT_EQ(ret, 0);
+
+ memset(buf, 0, sizeof(buf));
+ ret = fgetxattr(self->child_pidfd, "trusted.persistent", buf, sizeof(buf));
+ ASSERT_EQ(ret, strlen("persistent value"));
+ ASSERT_EQ(strcmp(buf, "persistent value"), 0);
+
+ ret = flistxattr(self->child_pidfd, list, sizeof(list));
+ ASSERT_GT(ret, 0);
+ ASSERT_EQ(strcmp(list, "trusted.persistent"), 0)
+
+ ASSERT_EQ(close(self->child_pidfd), 0);
+ self->child_pidfd = -EBADF;
+ sleep(2);
+
+ self->child_pidfd = sys_pidfd_open(self->child_pid, 0);
+ ASSERT_GE(self->child_pidfd, 0);
+
+ memset(buf, 0, sizeof(buf));
+ ret = fgetxattr(self->child_pidfd, "trusted.persistent", buf, sizeof(buf));
+ ASSERT_EQ(ret, strlen("persistent value"));
+ ASSERT_EQ(strcmp(buf, "persistent value"), 0);
+
+ ret = flistxattr(self->child_pidfd, list, sizeof(list));
+ ASSERT_GT(ret, 0);
+ ASSERT_EQ(strcmp(list, "trusted.persistent"), 0);
+}
+
TEST_HARNESS_MAIN
--
2.47.2
