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faux_driver vkms: [drm] vblank wait timed out on crtc 0
WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:3/3489
Modules linked in:
CPU: 0 UID: 0 PID: 3489 Comm: kworker/0:3 Tainted: G        W           syzkaller #0 PREEMPT 
Tainted: [W]=WARN
Hardware name: linux,dummy-virt (DT)
Workqueue: events drm_fb_helper_damage_work
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329
lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329
sp : ffff8000a17978e0
x29: ffff8000a1797990 x28: ffff000010386180 x27: ffff8000a1797920
x26: ffff000010387088 x25: ffff800085f507e0 x24: 0000000000000000
x23: 1ffff000142f2f1e x22: ffff000014644008 x21: 0000000000000000
x20: ffff000014630000 x19: ffff000014644000 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690
x14: 1ffff00010ef96d2 x13: ffff800089e86cb8 x12: ffff60000d7f1e22
x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000
x8 : ffff8000a1797410 x7 : ffff8000a1797590 x6 : ffff8000a1797530
x5 : ffff8000a1797470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012de1d00
Call trace:
 drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P)
 drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331
 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline]
 drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365
 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387
 process_scheduled_works kernel/workqueue.c:3470 [inline]
 worker_thread+0x42c/0xc90 kernel/workqueue.c:3551
 kthread+0x2ec/0x384 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854
irq event stamp: 14564
hardirqs last  enabled at (14563): [<ffff8000802d5f94>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline]
hardirqs last  enabled at (14563): [<ffff8000802d5f94>] finish_lock_switch kernel/sched/core.c:5251 [inline]
hardirqs last  enabled at (14563): [<ffff8000802d5f94>] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369
hardirqs last disabled at (14564): [<ffff8000859a90d0>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445
softirqs last  enabled at (14374): [<ffff8000829da3b8>] spin_unlock_bh include/linux/spinlock.h:407 [inline]
softirqs last  enabled at (14374): [<ffff8000829da3b8>] ptr_ring_consume_bh include/linux/ptr_ring.h:399 [inline]
softirqs last  enabled at (14374): [<ffff8000829da3b8>] wg_packet_decrypt_worker+0x248/0x3a0 drivers/net/wireguard/receive.c:499
softirqs last disabled at (14372): [<ffff8000829da1d8>] spin_lock_bh include/linux/spinlock.h:353 [inline]
softirqs last disabled at (14372): [<ffff8000829da1d8>] ptr_ring_consume_bh include/linux/ptr_ring.h:397 [inline]
softirqs last disabled at (14372): [<ffff8000829da1d8>] wg_packet_decrypt_worker+0x68/0x3a0 drivers/net/wireguard/receive.c:499
---[ end trace 0000000000000000 ]---