WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_wait_one_vblank+0x570/0x5b0 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/5916
Modules linked in:
CPU: 1 UID: 0 PID: 5916 Comm: kworker/1:6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: events drm_fb_helper_damage_work
RIP: 0010:drm_wait_one_vblank+0x570/0x5b0 drivers/gpu/drm/drm_vblank.c:1320
Code: ff df 80 3c 08 00 74 08 4c 89 e7 e8 0a b1 e4 fc 4d 8b 2c 24 48 c7 c7 c0 5a f4 8b 4c 89 fe 4c 89 ea 44 89 f1 e8 31 29 41 fc 90 <0f> 0b 90 90 49 bd 00 00 00 00 00 fc ff df e9 a7 fc ff ff 44 89 f9
RSP: 0018:ffffc90004c3f860 EFLAGS: 00010246
RAX: 7ec7d97d940b5300 RBX: 1ffff110281fb801 RCX: ffff888033685b80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc90004c3f948 R08: ffffffff8fbf0f77 R09: 1ffffffff1f7e1ee
R10: dffffc0000000000 R11: fffffbfff1f7e1ef R12: ffff88802458b000
R13: ffffffff8c0763e0 R14: 0000000000000000 R15: ffffffff8c090ca0
FS:  0000000000000000(0000) GS:ffff888125b92000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557fc49808 CR3: 000000002d5f2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 drm_client_modeset_wait_for_vblank+0xc5/0xf0 drivers/gpu/drm/drm_client_modeset.c:1330
 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:372 [inline]
 drm_fb_helper_damage_work+0xce/0x6c0 drivers/gpu/drm/drm_fb_helper.c:407
 process_one_work+0x94a/0x15d0 kernel/workqueue.c:3267
 process_scheduled_works kernel/workqueue.c:3350 [inline]
 worker_thread+0x9f5/0xee0 kernel/workqueue.c:3431
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x52d/0xa70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>