1 files changed, 45 insertions, 0 deletions
diff --git a/test/empty-eownerdead.c b/test/empty-eownerdead.c
new file mode 100644
index 0000000..40f854f
--- /dev/null
+++ b/test/empty-eownerdead.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Test if entering with nothing to submit/wait for SQPOLL returns an error.
+ */
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#include "liburing.h"
+#include "helpers.h"
+#include "../src/syscall.h"
+
+int main(int argc, char *argv[])
+{
+	struct io_uring_params p = {};
+	struct io_uring ring;
+	int ret;
+
+	if (argc > 1)
+		return 0;
+
+	p.flags = IORING_SETUP_SQPOLL;
+	p.sq_thread_idle = 100;
+
+	ret = t_create_ring_params(1, &ring, &p);
+	if (ret == T_SETUP_SKIP)
+		return 0;
+	else if (ret < 0)
+		goto err;
+
+	ret = __sys_io_uring_enter(ring.ring_fd, 0, 0, 0, NULL);
+	if (ret < 0) {
+		int __e = errno;
+
+		if (__e == EOWNERDEAD)
+			fprintf(stderr, "sqe submit unexpected failure due old kernel bug: %s\n", strerror(__e));
+		else
+			fprintf(stderr, "sqe submit unexpected failure: %s\n", strerror(__e));
+		goto err;
+	}
+
+	return 0;
+err:
+	return 1;
+}