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faux_driver vkms: [drm] vblank wait timed out on crtc 0
WARNING: drivers/gpu/drm/drm_vblank.c:1308 at drm_wait_one_vblank+0x571/0x5b0 drivers/gpu/drm/drm_vblank.c:1308, CPU#1: syz.5.5298/28564
Modules linked in:
CPU: 1 UID: 0 PID: 28564 Comm: syz.5.5298 Not tainted 6.16.0-next-20250731-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:drm_wait_one_vblank+0x571/0x5b0 drivers/gpu/drm/drm_vblank.c:1308
Code: ff df 80 3c 08 00 74 08 4c 89 e7 e8 a9 f9 ab fc 4d 8b 2c 24 48 c7 c7 40 46 17 8c 4c 89 fe 4c 89 ea 44 89 f1 e8 80 31 0c 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:ffffc900043c7ae0 EFLAGS: 00010246
RAX: 38f7090f1e8f8600 RBX: 1ffff1102837a801 RCX: 0000000000080000
RDX: ffffc90012ef9000 RSI: 000000000004524f RDI: 0000000000045250
RBP: ffffc900043c7be0 R08: ffffc900043c7807 R09: 1ffff92000878f00
R10: dffffc0000000000 R11: fffff52000878f01 R12: ffff888141bc7000
R13: ffffffff8c2a3940 R14: 0000000000000000 R15: ffffffff8c2bd280
FS:  00007f1b7e1b46c0(0000) GS:ffff88812590a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b7e192f98 CR3: 000000005fdd0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000097 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_fb_helper_ioctl+0x116/0x140 drivers/gpu/drm/drm_fb_helper.c:1108
 do_fb_ioctl+0x459/0x750 drivers/video/fbdev/core/fb_chrdev.c:155
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b7d38eb69
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1b7e1b4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1b7d5b5fa0 RCX: 00007f1b7d38eb69
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000004
RBP: 00007f1b7d411df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1b7d5b5fa0 R15: 00007ffe7b309128
 </TASK>