[Intel-gfx] [PATCH i-g-t] syncobj: add test for handle->fd + close twice.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

This demos a bug found in the vulkan CTS that causes
VFS: Close: file count is 0
in dmesg, and ls /proc/self/fd to oops.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 tests/syncobj_basic.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/syncobj_basic.c b/tests/syncobj_basic.c
index acc4a641..42fc99f8 100644
--- a/tests/syncobj_basic.c
+++ b/tests/syncobj_basic.c
@@ -177,6 +177,22 @@ test_valid_cycle(int fd)
 	syncobj_destroy(fd, second_handle);
 }
 
+static void
+test_create_close_twice(int fd)
+{
+	uint32_t handle;
+	int syncobj_fd;
+
+	handle = syncobj_create(fd, 0);
+	syncobj_fd = syncobj_handle_to_fd(fd, handle, 0);
+	close(syncobj_fd);
+
+	syncobj_fd = syncobj_handle_to_fd(fd, handle, 0);
+	close(syncobj_fd);
+
+	syncobj_destroy(fd, handle);
+}
+
 static bool has_syncobj(int fd)
 {
 	uint64_t value;
@@ -231,4 +247,7 @@ igt_main
 	igt_subtest("test-valid-cycle")
 		test_valid_cycle(fd);
 
+	igt_subtest("test-create-close-twice")
+		test_create_close_twice(fd);
+
 }
-- 
2.14.3