------------[ cut here ]------------ platform vkms: vblank wait timed out on crtc 0 WARNING: CPU: 0 PID: 5041 at drivers/gpu/drm/drm_vblank.c:1310 drm_wait_one_vblank+0x95c/0x9e0 drivers/gpu/drm/drm_vblank.c:1310 Modules linked in: CPU: 0 PID: 5041 Comm: syz-executor151 Not tainted 6.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:drm_wait_one_vblank+0x95c/0x9e0 drivers/gpu/drm/drm_vblank.c:1310 Code: df 80 3c 08 00 74 08 4c 89 ff e8 8f bc 04 fd 49 8b 1f 48 c7 c7 40 4a 6b 8b 4c 89 f6 48 89 da 8b 5c 24 0c 89 d9 e8 14 50 71 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:ffffc90004227ae0 EFLAGS: 00010246 RAX: b0a4a6adcea7f700 RBX: 0000000000000000 RCX: ffff88807b809dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90004227c20 R08: ffffffff81542432 R09: 1ffffffff1d34cc5 R10: dffffc0000000000 R11: fffffbfff1d34cc6 R12: 1ffff92000844f68 R13: 0000000000000ec5 R14: ffffffff8b7d4e80 R15: ffff88801c265010 FS: 0000555556d95380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f986bffa6a4 CR3: 00000000758e3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_ioctl+0x114/0x140 drivers/gpu/drm/drm_fb_helper.c:1092 do_fb_ioctl+0x407/0x7a0 drivers/video/fbdev/core/fb_chrdev.c:155 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f986bf9cde9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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:00007ffe9166d448 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f986bf9cde9 RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000003 RBP: 00000000000f4240 R08: 0000000000000140 R09: 0000000000000140 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe9166d678 R14: 00007ffe9166d480 R15: 00007ffe9166d470