------------[ cut here ]------------
platform vkms: [drm] vblank wait timed out on crtc 0
WARNING: CPU: 1 PID: 23910 at drivers/gpu/drm/drm_vblank.c:1307 drm_wait_one_vblank+0x2f6/0x5b0 drivers/gpu/drm/drm_vblank.c:1307
Modules linked in:
CPU: 1 UID: 0 PID: 23910 Comm: syz.1.5127 Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:drm_wait_one_vblank+0x2f6/0x5b0 drivers/gpu/drm/drm_vblank.c:1307
Code: ed 0f 84 12 02 00 00 e8 88 3e 4c fc 48 89 ef e8 40 67 8d 00 44 89 e1 4c 89 ea 48 c7 c7 80 0f 0a 8c 48 89 c6 e8 db cc 0b fc 90 <0f> 0b 90 90 e9 4e fe ff ff e8 5c 3e 4c fc 48 89 ef e8 34 06 06 06
RSP: 0018:ffffc9000475fb20 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff8881437ea000 RCX: ffffc9002100c000
RDX: 0000000000080000 RSI: ffffffff817ae005 RDI: 0000000000000001
RBP: ffff8881437d4010 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 000000000003e890 R12: 0000000000000000
R13: ffff88814179ce40 R14: 1ffff920008ebf67 R15: 000000000001384e
FS:  00007f4531f206c0(0000) GS:ffff888124ab2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f452eff6d58 CR3: 0000000025384000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_fb_helper_ioctl+0x156/0x1a0 drivers/gpu/drm/drm_fb_helper.c:1107
 do_fb_ioctl+0x3d2/0x7e0 drivers/video/fbdev/core/fb_chrdev.c:155
 fb_ioctl+0xe5/0x150 drivers/video/fbdev/core/fb_chrdev.c:169
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f453118e169
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:00007f4531f20038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f45313b5fa0 RCX: 00007f453118e169
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000005
RBP: 00007f4531210a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f45313b5fa0 R15: 00007ffe8ebcb748
 </TASK>