Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. executing program [ 47.560383] [drm:drm_calc_timestamping_constants] *ERROR* crtc 31: Can't calculate constants, dotclock = 0! [ 47.571343] WARNING: CPU: 1 PID: 7782 at drivers/gpu/drm/vkms/vkms_crtc.c:40 vkms_vblank_simulate+0x262/0x2c0 [ 47.581469] Kernel panic - not syncing: panic_on_warn set ... [ 47.587360] CPU: 1 PID: 7782 Comm: syz-executor053 Not tainted 5.0.0+ #13 [ 47.594270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.603614] Call Trace: [ 47.606187] [ 47.608329] dump_stack+0x172/0x1f0 [ 47.611951] ? vkms_vblank_simulate+0x1e0/0x2c0 [ 47.616612] panic+0x2cb/0x65c [ 47.619813] ? __warn_printk+0xf3/0xf3 [ 47.623697] ? vkms_vblank_simulate+0x262/0x2c0 [ 47.628358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.633952] ? __warn.cold+0x5/0x45 [ 47.637576] ? __warn+0xe8/0x1d0 [ 47.640935] ? vkms_vblank_simulate+0x262/0x2c0 [ 47.645601] __warn.cold+0x20/0x45 [ 47.649131] ? vkms_vblank_simulate+0x262/0x2c0 [ 47.653807] report_bug+0x263/0x2b0 [ 47.657437] do_error_trap+0x11b/0x200 [ 47.661325] do_invalid_op+0x37/0x50 [ 47.665033] ? vkms_vblank_simulate+0x262/0x2c0 [ 47.669694] invalid_op+0x14/0x20 [ 47.673138] RIP: 0010:vkms_vblank_simulate+0x262/0x2c0 [ 47.678406] Code: c7 c7 40 07 bc 87 e8 6d 67 bb ff e9 2c fe ff ff e8 93 5e 9b fd 48 8b 45 d0 49 89 86 40 02 00 00 e9 7a ff ff ff e8 7e 5e 9b fd <0f> 0b e9 f4 fe ff ff e8 b2 57 d3 fd e9 34 fe ff ff e8 08 58 d3 fd [ 47.697297] RSP: 0018:ffff8880ae907dd8 EFLAGS: 00010006 [ 47.702649] RAX: ffff88808d014080 RBX: ffff8880ae925d80 RCX: ffffffff83d4f673 [ 47.709909] RDX: 0000000000010000 RSI: ffffffff83d4f782 RDI: 0000000000000007 [ 47.717184] RBP: ffff8880ae907e08 R08: ffff88808d014080 R09: ffffffff899a4048 [ 47.724445] R10: ffffffff899a4050 R11: 0000000000000001 R12: 00000000000715b9 [ 47.731705] R13: ffff8880a427db80 R14: 0000000000000000 R15: ffff8880a427d058 [ 47.738972] ? vkms_vblank_simulate+0x153/0x2c0 [ 47.743632] ? vkms_vblank_simulate+0x262/0x2c0 [ 47.748291] ? vkms_vblank_simulate+0x262/0x2c0 [ 47.753086] __hrtimer_run_queues+0x33e/0xde0 [ 47.757579] ? vkms_disable_vblank+0x20/0x20 [ 47.761979] ? hrtimer_start_range_ns+0xc80/0xc80 [ 47.766831] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 47.771839] ? ktime_get_update_offsets_now+0x2d9/0x440 [ 47.777198] hrtimer_interrupt+0x314/0x770 [ 47.781441] smp_apic_timer_interrupt+0x120/0x570 [ 47.786279] apic_timer_interrupt+0xf/0x20 [ 47.790499] [ 47.792731] RIP: 0010:_raw_spin_unlock_irqrestore+0x95/0xe0 [ 47.798431] Code: 48 c7 c0 30 94 92 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d a2 f0 88 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 9c 0f 44 fa 65 8b 05 e5 49 f8 78 [ 47.817370] RSP: 0018:ffff8880a0c2f938 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 47.825072] RAX: 1ffffffff1125286 RBX: 0000000000000282 RCX: 0000000000000000 [ 47.832364] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: 0000000000000282 [ 47.839701] RBP: ffff8880a0c2f948 R08: ffff88808d014080 R09: 0000000000000000 [ 47.847097] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a427c5f0 [ 47.854358] R13: 0000000000000000 R14: ffff8880a427c5f0 R15: ffff8880a41d6688 [ 47.861636] drm_vblank_get+0x150/0x1e0 [ 47.865609] drm_wait_vblank_ioctl+0x4f8/0x17a0 [ 47.870311] ? drm_legacy_modeset_ctl_ioctl+0x490/0x490 [ 47.875671] ? lock_downgrade+0x880/0x880 [ 47.879817] ? drm_dev_exit+0x60/0x60 [ 47.883611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.889140] drm_ioctl_kernel+0x23e/0x2e0 [ 47.893274] ? drm_legacy_modeset_ctl_ioctl+0x490/0x490 [ 47.898622] ? drm_setversion+0x8c0/0x8c0 [ 47.902757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.908293] ? _copy_from_user+0xdd/0x150 [ 47.912427] drm_ioctl+0x545/0xa50 [ 47.915950] ? drm_legacy_modeset_ctl_ioctl+0x490/0x490 [ 47.921298] ? drm_version+0x3d0/0x3d0 [ 47.925165] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 47.930245] ? debug_check_no_obj_freed+0x200/0x464 [ 47.935251] ? drm_version+0x3d0/0x3d0 [ 47.939123] do_vfs_ioctl+0xd6e/0x1390 [ 47.943003] ? ioctl_preallocate+0x210/0x210 [ 47.947401] ? putname+0xef/0x130 [ 47.950830] ? putname+0xef/0x130 [ 47.954264] ? rcu_read_lock_sched_held+0x110/0x130 [ 47.959264] ? kmem_cache_free+0x225/0x260 [ 47.963482] ? putname+0xf4/0x130 [ 47.966914] ? do_sys_open+0x31d/0x5d0 [ 47.970781] ? tomoyo_file_ioctl+0x23/0x30 [ 47.975011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.980526] ? security_file_ioctl+0x93/0xc0 [ 47.984917] ksys_ioctl+0xab/0xd0 [ 47.988349] __x64_sys_ioctl+0x73/0xb0 [ 47.992223] do_syscall_64+0x103/0x610 [ 47.996094] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.001258] RIP: 0033:0x443ca9 [ 48.004437] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.023315] RSP: 002b:00007ffd0e63d9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.030998] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443ca9 [ 48.038241] RDX: 0000000020000080 RSI: 00000000c018643a RDI: 0000000000000003 [ 48.045489] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 [ 48.052734] R10: 000000000000000f R11: 0000000000000246 R12: 00000000004019b0 [ 48.059979] R13: 0000000000401a40 R14: 0000000000000000 R15: 0000000000000000 [ 48.068016] Kernel Offset: disabled [ 48.071686] Rebooting in 86400 seconds..