platform vkms: vblank wait timed out on crtc 0 WARNING: CPU: 0 PID: 6521 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x958/0x9d0 drivers/gpu/drm/drm_vblank.c:1269 Modules linked in: CPU: 0 PID: 6521 Comm: syz-executor.0 Not tainted 6.1.22-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:drm_wait_one_vblank+0x958/0x9d0 drivers/gpu/drm/drm_vblank.c:1269 Code: df 80 3c 08 00 74 08 4c 89 ff e8 83 1a 1f fd 49 8b 1f 48 c7 c7 60 6e 4e 8b 4c 89 f6 48 89 da 8b 5c 24 0c 89 d9 e8 48 93 91 fc <0f> 0b 49 be 00 00 00 00 00 fc ff df e9 80 fb ff ff 44 89 e9 80 e1 RSP: 0018:ffffc9000c937ac0 EFLAGS: 00010246 RAX: 87b1d25906810400 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90003e71000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000c937c00 R08: ffffffff8152292e R09: fffff52001926f11 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92001926f64 R13: 000000000001d202 R14: ffffffff8b5f4280 R15: ffff88814734b010 FS: 00007fb3833c0700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3827a3a34 CR3: 00000000798d6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_ioctl+0x110/0x140 drivers/gpu/drm/drm_fb_helper.c:1259 do_fb_ioctl+0x210/0x880 drivers/video/fbdev/core/fbmem.c:1188 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb38268c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb3833c0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb3827abf80 RCX: 00007fb38268c169 RDX: 0000000007000000 RSI: 0000000040044620 RDI: 0000000000000003 RBP: 00007fb3826e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe11053e0f R14: 00007fb3833c0300 R15: 0000000000022000