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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+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331, CPU#0: kworker/0:1/11
Modules linked in:
CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Workqueue: events drm_fb_helper_damage_work
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331
lr : drm_crtc_wait_one_vblank+0x408/0x440 drivers/gpu/drm/drm_vblank.c:1329
sp : ffff80008ec47820
x29: ffff80008ec478d0 x28: dfff800000000000 x27: ffff0000c6a69080
x26: ffff80008ec47820 x25: dfff800000000000 x24: ffff700011d88f04
x23: ffff800086f38400 x22: ffff0000c6c0a000 x21: ffff800086fbdbe0
x20: ffff0000c6c22000 x19: 0000000000000000 x18: 1fffe00035bc5428
x17: 0000000000000003 x16: ffff800088b07000 x15: ffff800088bbd0a0
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000002 x9 : 0051ea699fccbe00
x8 : 0051ea699fccbe00 x7 : ffff80008048e080 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f8070
x2 : 0000000100000000 x1 : 0000000000000000 x0 : ffff0000c6c22000
Call trace:
 drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331 (P)
 drm_client_modeset_wait_for_vblank+0xc4/0xec 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+0x520/0xbc0 drivers/gpu/drm/drm_fb_helper.c:365
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
irq event stamp: 183446
hardirqs last  enabled at (183445): [<ffff8000868ea26c>] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline]
hardirqs last  enabled at (183445): [<ffff8000868ea26c>] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62
hardirqs last disabled at (183446): [<ffff8000868e6198>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (183290): [<ffff800082baa34c>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (183290): [<ffff800082baa34c>] ptr_ring_consume_bh include/linux/ptr_ring.h:393 [inline]
softirqs last  enabled at (183290): [<ffff800082baa34c>] wg_packet_decrypt_worker+0x980/0xa00 drivers/net/wireguard/receive.c:499
softirqs last disabled at (183288): [<ffff800082baa008>] spin_lock_bh include/linux/spinlock.h:348 [inline]
softirqs last disabled at (183288): [<ffff800082baa008>] ptr_ring_consume_bh include/linux/ptr_ring.h:391 [inline]
softirqs last disabled at (183288): [<ffff800082baa008>] wg_packet_decrypt_worker+0x63c/0xa00 drivers/net/wireguard/receive.c:499
---[ end trace 0000000000000000 ]---