platform vkms: vblank wait timed out on crtc 0
WARNING: CPU: 1 PID: 4904 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x91f/0x9a0 drivers/gpu/drm/drm_vblank.c:-1
Modules linked in:
CPU: 1 PID: 4904 Comm: syz-executor.3 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:drm_wait_one_vblank+0x91f/0x9a0 drivers/gpu/drm/drm_vblank.c:1269
Code: 3c 08 00 74 08 48 89 df e8 ee 86 58 fd 4c 8b 3b 48 c7 c7 60 a9 6c 8a 4c 89 f6 4c 89 fa 8b 5c 24 0c 89 d9 e8 63 c7 39 05 89 de <0f> 0b 49 bf 00 00 00 00 00 fc ff df e9 9c fb ff ff 89 d9 80 e1 07
RSP: 0018:ffffc900012efaa0 EFLAGS: 00010246
RAX: 231540efdf21b600 RBX: 0000000000000000 RCX: ffff888075e11dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900012efbe0 R08: dffffc0000000000 R09: ffffed10172267a8
R10: ffffed10172267a8 R11: 1ffff110172267a7 R12: 0000000000000000
R13: 1ffff9200025df60 R14: ffffffff8a7b70c0 R15: ffff88814736baf0
FS:  00007f5002a716c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055863ce95950 CR3: 0000000065e54000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_fb_helper_ioctl+0x112/0x140 drivers/gpu/drm/drm_fb_helper.c:1196
 do_fb_ioctl+0x1d3/0x720 drivers/video/fbdev/core/fbmem.c:1193
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5003710ce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5002a710c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5003830050 RCX: 00007f5003710ce9
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000004
RBP: 00007f500375d47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5003830050 R15: 00007ffda4cac0e8
 </TASK>