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WARNING: lock held when returning to user space!
4.20.0-next-20190107 #6 Not tainted
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syz-executor5/26017 is leaving the kernel with locks still held!
1 lock held by syz-executor5/26017:
 #0: 00000000c5bc7eb7 (crtc_ww_class_acquire){+.+.}, at: set_property_atomic+0xb4/0x330 drivers/gpu/drm/drm_mode_object.c:462