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faux_driver vkms: [drm] vblank wait timed out on crtc 0
WARNING: drivers/gpu/drm/drm_vblank.c:1318 at drm_wait_one_vblank+0x288/0x508 drivers/gpu/drm/drm_vblank.c:1318, CPU#1: kworker/1:0/3384
Modules linked in:
CPU: 1 UID: 0 PID: 3384 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT 
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_wait_one_vblank+0x288/0x508 drivers/gpu/drm/drm_vblank.c:1318
lr : drm_wait_one_vblank+0x288/0x508 drivers/gpu/drm/drm_vblank.c:1318
sp : ffff8000a19c78c0
x29: ffff8000a19c78c0 x28: ffff000014918988 x27: ffff0000149188e8
x26: ffff8000a19c7950 x25: ffff000010097888 x24: ffff800085c3c3a0
x23: 1ffff00014338f24 x22: ffff0000148fc008 x21: ffff0000147d5000
x20: 0000000000000000 x19: ffff0000148fc000 x18: 0000000000000000
x17: ffff7fffe2d77000 x16: 00000000f1f1f1f1 x15: 00000000f3f3f3f3
x14: 0000000000000000 x13: 0000000000000000 x12: ffff700014338e99
x11: 1ffff00014338e98 x10: ffff700014338e98 x9 : dfff800000000000
x8 : ffff8000a19c74c8 x7 : ffff8000a19c75f0 x6 : ffff8000a19c7540
x5 : ffff8000a19c7528 x4 : 0000000000000004 x3 : 1fffe0000d40c135
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000018e68000
Call trace:
 drm_wait_one_vblank+0x288/0x508 drivers/gpu/drm/drm_vblank.c:1318 (P)
 drm_crtc_wait_one_vblank+0x5c/0x7c drivers/gpu/drm/drm_vblank.c:1334
 drm_client_modeset_wait_for_vblank+0xb8/0xe4 drivers/gpu/drm/drm_client_modeset.c:1330
 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:334 [inline]
 drm_fb_helper_damage_work+0xb4/0x564 drivers/gpu/drm/drm_fb_helper.c:369
 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x734/0xb84 kernel/workqueue.c:3421
 kthread+0x348/0x5fc kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 66984
hardirqs last  enabled at (66983): [<ffff8000855ce834>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline]
hardirqs last  enabled at (66983): [<ffff8000855ce834>] __schedule+0x1fc0/0x3278 kernel/sched/core.c:6871
hardirqs last disabled at (66984): [<ffff8000855bc85c>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412
softirqs last  enabled at (66940): [<ffff8000801c9b20>] softirq_handle_end kernel/softirq.c:468 [inline]
softirqs last  enabled at (66940): [<ffff8000801c9b20>] handle_softirqs+0x88c/0xdb4 kernel/softirq.c:650
softirqs last disabled at (66927): [<ffff8000800107c0>] __do_softirq+0x14/0x20 kernel/softirq.c:656
---[ end trace 0000000000000000 ]---