From: Dave Airlie <[email protected]>

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 <[email protected]>
---
 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

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