Warning: Permanently added '10.128.10.14' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.971080][ C0] vkms_vblank_simulate: vblank timer overrun [ 31.972695][ C0] vkms_vblank_simulate: vblank timer overrun [ 31.974345][ C0] vkms_vblank_simulate: vblank timer overrun executing program executing program executing program [ 31.975893][ C0] hrtimer: interrupt took 4837480 ns [ 31.980746][ C0] vkms_vblank_simulate: vblank timer overrun [ 31.982374][ C0] vkms_vblank_simulate: vblank timer overrun [ 31.983955][ C0] vkms_vblank_simulate: vblank timer overrun executing program executing program executing program [ 31.990245][ C0] vkms_vblank_simulate: vblank timer overrun [ 31.991806][ C0] vkms_vblank_simulate: vblank timer overrun [ 31.993389][ C0] vkms_vblank_simulate: vblank timer overrun executing program [ 31.998628][ T6183] ------------[ cut here ]------------ [ 31.999706][ C0] vkms_vblank_simulate: vblank timer overrun [ 32.000153][ T6183] WARNING: CPU: 1 PID: 6183 at drivers/gpu/drm/vkms/vkms_crtc.c:103 vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 32.004579][ T6183] Modules linked in: [ 32.005572][ T6183] CPU: 1 PID: 6183 Comm: syz-executor379 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 32.008184][ T6183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 32.010827][ T6183] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 32.012859][ T6183] pc : vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 32.014463][ T6183] lr : vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 32.016000][ T6183] sp : ffff8000978b6cd0 [ 32.017098][ T6183] x29: ffff8000978b6cd0 x28: 0000000000004e20 x27: ffff8000978b6db0 [ 32.019154][ T6183] x26: ffff8000978b6da0 x25: 1ffff00012f16db6 x24: 0000000000000000 [ 32.021259][ T6183] x23: ffff0000c9264000 x22: dfff800000000000 x21: 00000007724d9fa9 [ 32.023482][ T6183] x20: 00000007724d9fa9 x19: ffff8000978b6db0 x18: ffff8000978b6b00 [ 32.025547][ T6183] x17: 000000000000c46e x16: ffff800080339eb4 x15: ffff700012f16db0 [ 32.027602][ T6183] x14: 1ffff00012f16db0 x13: 0000000000000004 x12: ffff700012f16db0 [ 32.029657][ T6183] x11: ffff800083f01080 x10: 0000000000ff0100 x9 : 0000000000000000 [ 32.031754][ T6183] x8 : ffff0000d639da00 x7 : 0000000000000000 x6 : 0000000000000000 [ 32.033882][ T6183] x5 : 0000000000000020 x4 : 0000000000000000 x3 : 0000000000000000 [ 32.035984][ T6183] x2 : ffff8000978b6db0 x1 : 00000007724d9fa9 x0 : 00000007724d9fa9 [ 32.038086][ T6183] Call trace: [ 32.038954][ T6183] vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 32.040443][ T6183] drm_update_vblank_count+0x1fc/0xa5c [ 32.041838][ T6183] drm_vblank_disable_and_save+0xc8/0x324 [ 32.043319][ T6183] drm_crtc_vblank_off+0x258/0x7b8 [ 32.044624][ T6183] vkms_crtc_atomic_disable+0x20/0x30 [ 32.046092][ T6183] drm_atomic_helper_commit_modeset_disables+0xab0/0x15bc [ 32.048011][ T6183] vkms_atomic_commit_tail+0x5c/0x20c [ 32.049375][ T6183] commit_tail+0x274/0x3b8 [ 32.050600][ T6183] drm_atomic_helper_commit+0x854/0x8d4 [ 32.052036][ T6183] drm_atomic_commit+0x24c/0x2a0 [ 32.053344][ T6183] drm_client_modeset_commit_atomic+0x5a4/0x730 [ 32.054989][ T6183] drm_client_modeset_commit_locked+0xd0/0x4a8 [ 32.056718][ T6183] drm_client_modeset_commit+0x50/0x7c [ 32.058216][ T6183] drm_fb_helper_lastclose+0xc0/0x160 [ 32.059578][ T6183] drm_fbdev_generic_client_restore+0x3c/0x50 [ 32.061103][ T6183] drm_client_dev_restore+0x12c/0x24c [ 32.062513][ T6183] drm_release+0x4ac/0x504 [ 32.063672][ T6183] __fput+0x30c/0x738 [ 32.064749][ T6183] ____fput+0x20/0x30 [ 32.065804][ T6183] task_work_run+0x230/0x2e0 [ 32.066984][ T6183] do_exit+0x618/0x1f64 [ 32.068066][ T6183] do_group_exit+0x194/0x22c [ 32.069202][ T6183] get_signal+0x1500/0x15ec [ 32.070313][ T6183] do_signal+0x238/0x3e8c [ 32.071399][ T6183] do_notify_resume+0x74/0x1f4 [ 32.072658][ T6183] el0_svc+0xac/0x168 [ 32.073785][ T6183] el0t_64_sync_handler+0x84/0xfc [ 32.075099][ T6183] el0t_64_sync+0x190/0x194 [ 32.076277][ T6183] irq event stamp: 1296 [ 32.077338][ T6183] hardirqs last enabled at (1295): [] _raw_spin_unlock_irq+0x30/0x80 [ 32.079853][ T6183] hardirqs last disabled at (1296): [] _raw_spin_lock_irq+0x28/0x70 [ 32.082421][ T6183] softirqs last enabled at (740): [] __do_softirq+0xac8/0xce4 [ 32.084815][ T6183] softirqs last disabled at (687): [] ____do_softirq+0x14/0x20 [ 32.087153][ T6183] ---[ end trace 0000000000000000 ]---