Forwarded: WARNING in drm_plane_create_rotation_property

From: syzbot

Date: Thu Aug 20 2026 - 15:47:01 EST


For archival purposes, forwarding an incoming command email to
linux-kernel@xxxxxxxxxxxxxxx.

***

Subject: WARNING in drm_plane_create_rotation_property
Author: sajal2005gupta@xxxxxxxxx

#syz test

diff --git a/drivers/gpu/drm/gud/gud_drv.c b/drivers/gpu/drm/gud/gud_drv.c
index 89bd6ca36003..3a1b9e2a2eaa 100644
--- a/drivers/gpu/drm/gud/gud_drv.c
+++ b/drivers/gpu/drm/gud/gud_drv.c
@@ -289,6 +289,8 @@ static int gud_plane_add_properties(struct gud_device *gdrm)
* but mask out any additions on future devices.
*/
val &= GUD_ROTATION_MASK;
+ if (!(val & GUD_ROTATION_0))
+ continue;
ret =
drm_plane_create_rotation_property(&gdrm->plane, DRM_MODE_ROTATE_0,
val);
break;