platform vkms: vblank wait timed out on crtc 0 WARNING: CPU: 1 PID: 4323 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x373/0x460 drivers/gpu/drm/drm_vblank.c:1269 Modules linked in: CPU: 0 PID: 4323 Comm: syz-executor.0 Not tainted 5.19.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drm_wait_one_vblank+0x373/0x460 drivers/gpu/drm/drm_vblank.c:1269 Code: d9 00 00 00 4d 8b 75 50 4d 85 f6 74 48 4c 89 ef e8 62 b6 18 00 44 89 e1 4c 89 f2 48 c7 c7 60 3b 77 89 48 89 c6 e8 f3 11 4e 04 <0f> 0b e9 9f fd ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 RSP: 0018:ffffc900036c7b88 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff920006d8f72 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff89643460 RDI: fffff520006d8f63 RBP: ffff88801a6c0000 R08: 0000000000000001 R09: ffff8880b9f34047 R10: ffffed10173e6808 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888146f2f010 R14: ffff88801bdbf780 R15: ffff88801beca830 FS: 00007f8f28e98700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9afa4d40a0 CR3: 0000000068a41000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_ioctl+0x10a/0x150 drivers/gpu/drm/drm_fb_helper.c:1228 do_fb_ioctl+0x1a8/0x5b0 drivers/video/fbdev/core/fbmem.c:1174 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x11f/0x190 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f8f27c890e9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8f28e98168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8f27d9bf60 RCX: 00007f8f27c890e9 RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000003 RBP: 00007f8f28e981d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd0400c0ff R14: 00007f8f28e98300 R15: 0000000000022000