Warning: Permanently added '10.128.0.123' (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 [ 46.576232][ C0] vkms_vblank_simulate: vblank timer overrun executing program [ 46.577576][ C0] vkms_vblank_simulate: vblank timer overrun [ 46.578899][ C0] vkms_vblank_simulate: vblank timer overrun [ 46.580251][ C0] hrtimer: interrupt took 4022600 ns executing program [ 46.584489][ C0] vkms_vblank_simulate: vblank timer overrun executing program [ 46.585842][ C0] vkms_vblank_simulate: vblank timer overrun [ 46.587024][ C0] vkms_vblank_simulate: vblank timer overrun [ 46.590587][ T4036] ------------[ cut here ]------------ executing program [ 46.591823][ T4036] WARNING: CPU: 0 PID: 4036 at drivers/gpu/drm/vkms/vkms_crtc.c:103 vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 46.594264][ T4036] Modules linked in: [ 46.595098][ T4036] CPU: 0 PID: 4036 Comm: syz-executor892 Not tainted 5.15.171-syzkaller #0 [ 46.596981][ T4036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 46.599197][ T4036] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 46.601029][ T4036] pc : vkms_get_vblank_timestamp+0x1a4/0x1d4 executing program executing program [ 46.602271][ T4036] lr : vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 46.603611][ T4036] sp : ffff80001f9771b0 [ 46.604511][ T4036] x29: ffff80001f9771b0 x28: ffff80001f977270 x27: ffff0000cb40cee8 [ 46.606301][ T4036] x26: ffff80001f977260 x25: 1ffff00003f2ee4e x24: 0000000000000000 [ 46.608076][ T4036] x23: ffff0000cb40c000 x22: dfff800000000000 x21: 0000000ad685d119 [ 46.609761][ T4036] x20: 0000000ad685d119 x19: ffff80001f977270 x18: 0000000000000000 [ 46.611525][ T4036] x17: 0000000000000000 x16: ffff8000083052d8 x15: 0000000000000008 [ 46.613263][ T4036] x14: 1ffff0000295a06a x13: dfff800000000000 x12: ffff700003f2ee48 [ 46.614984][ T4036] x11: 0000000000000003 x10: 0000000000000000 x9 : ffff0000cd09b680 [ 46.616696][ T4036] x8 : ffff80000b80a6cc x7 : ffff80000b71c110 x6 : 0000000000000000 [ 46.618476][ T4036] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 46.620168][ T4036] x2 : ffff80001f977270 x1 : 0000000ad685d119 x0 : 0000000ad685d119 [ 46.621950][ T4036] Call trace: [ 46.622619][ T4036] vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 46.623905][ T4036] drm_update_vblank_count+0x23c/0xb10 [ 46.625094][ T4036] drm_vblank_disable_and_save+0xc8/0x344 [ 46.626329][ T4036] drm_crtc_vblank_off+0x254/0x7c4 [ 46.627386][ T4036] vkms_crtc_atomic_disable+0x20/0x30 [ 46.628560][ T4036] drm_atomic_helper_commit_modeset_disables+0xa10/0x1488 [ 46.630189][ T4036] vkms_atomic_commit_tail+0x5c/0x20c [ 46.631319][ T4036] commit_tail+0x274/0x3cc [ 46.632225][ T4036] drm_atomic_helper_commit+0x5fc/0x644 [ 46.633464][ T4036] drm_atomic_commit+0xd8/0xf8 [ 46.634460][ T4036] drm_client_modeset_commit_atomic+0x594/0x730 [ 46.635824][ T4036] drm_client_modeset_commit_locked+0xd0/0x4a8 [ 46.637144][ T4036] drm_client_modeset_commit+0x50/0x7c [ 46.638307][ T4036] drm_fbdev_client_restore+0xe8/0x17c [ 46.639496][ T4036] drm_client_dev_restore+0x12c/0x248 [ 46.640639][ T4036] drm_release+0x4dc/0x654 [ 46.641632][ T4036] __fput+0x1c4/0x800 [ 46.642496][ T4036] ____fput+0x20/0x30 [ 46.643356][ T4036] task_work_run+0x130/0x1e4 [ 46.644331][ T4036] do_exit+0x670/0x20bc [ 46.645231][ T4036] do_group_exit+0x110/0x268 [ 46.646240][ T4036] __wake_up_parent+0x0/0x60 [ 46.647191][ T4036] invoke_syscall+0x98/0x2b8 [ 46.648412][ T4036] el0_svc_common+0x138/0x258 [ 46.649486][ T4036] do_el0_svc+0x58/0x14c [ 46.650345][ T4036] el0_svc+0x7c/0x1f0 [ 46.651170][ T4036] el0t_64_sync_handler+0x84/0xe4 [ 46.652237][ T4036] el0t_64_sync+0x1a0/0x1a4 [ 46.653168][ T4036] irq event stamp: 1502 [ 46.654117][ T4036] hardirqs last enabled at (1501): [] _raw_spin_unlock_irq+0x9c/0x134 [ 46.656279][ T4036] hardirqs last disabled at (1502): [] _raw_spin_lock_irq+0x38/0x13c [ 46.658545][ T4036] softirqs last enabled at (986): [] local_bh_enable+0x10/0x34 [ 46.660528][ T4036] softirqs last disabled at (984): [] local_bh_disable+0x10/0x34 [ 46.662490][ T4036] ---[ end trace a48bb08d33d6dd86 ]--- executing program [ 46.672782][ C1] vkms_vblank_simulate: vblank timer overrun [ 46.674167][ C1] vkms_vblank_simulate: vblank timer overrun [ 46.675458][ C1] vkms_vblank_simulate: vblank timer overrun [ 46.679711][ T4044] ------------[ cut here ]------------ [ 46.680750][ C1] vkms_vblank_simulate: vblank timer overrun [ 46.680934][ T4044] WARNING: CPU: 0 PID: 4044 at drivers/gpu/drm/vkms/vkms_crtc.c:103 vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 46.684576][ T4044] Modules linked in: [ 46.685397][ T4044] CPU: 0 PID: 4044 Comm: syz-executor892 Tainted: G W 5.15.171-syzkaller #0 [ 46.687441][ T4044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 46.689645][ T4044] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 46.691499][ T4044] pc : vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 46.692858][ T4044] lr : vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 46.694161][ T4044] sp : ffff80001f9f71b0 [ 46.695074][ T4044] x29: ffff80001f9f71b0 x28: ffff80001f9f7270 x27: ffff0000cb40cee8 [ 46.696721][ T4044] x26: ffff80001f9f7260 x25: 1ffff00003f3ee4e x24: 0000000000000000 [ 46.698390][ T4044] x23: ffff0000cb40c000 x22: dfff800000000000 x21: 0000000adbcb35f1 [ 46.700308][ T4044] x20: 0000000adbcb35f1 x19: ffff80001f9f7270 x18: 0000000000000000 [ 46.702168][ T4044] x17: 0000000000000000 x16: ffff8000083052d8 x15: 0000000000000008 [ 46.703936][ T4044] x14: 1ffff0000295a06a x13: dfff800000000000 x12: ffff700003f3ee48 [ 46.705685][ T4044] x11: 0000000000000003 x10: 0000000000000000 x9 : ffff0000cb1b0000 [ 46.707422][ T4044] x8 : ffff80000b80a6cc x7 : ffff80000b71c110 x6 : 0000000000000000 [ 46.709146][ T4044] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 46.710880][ T4044] x2 : ffff80001f9f7270 x1 : 0000000adbcb35f1 x0 : 0000000adbcb35f1 [ 46.712550][ T4044] Call trace: [ 46.713263][ T4044] vkms_get_vblank_timestamp+0x1a4/0x1d4 [ 46.714566][ T4044] drm_update_vblank_count+0x23c/0xb10 [ 46.715743][ T4044] drm_vblank_disable_and_save+0xc8/0x344 [ 46.717016][ T4044] drm_crtc_vblank_off+0x254/0x7c4 [ 46.718149][ T4044] vkms_crtc_atomic_disable+0x20/0x30 [ 46.719375][ T4044] drm_atomic_helper_commit_modeset_disables+0xa10/0x1488 [ 46.720824][ T4044] vkms_atomic_commit_tail+0x5c/0x20c [ 46.722044][ T4044] commit_tail+0x274/0x3cc [ 46.722942][ T4044] drm_atomic_helper_commit+0x5fc/0x644 [ 46.724195][ T4044] drm_atomic_commit+0xd8/0xf8 [ 46.725264][ T4044] drm_client_modeset_commit_atomic+0x594/0x730 [ 46.726604][ T4044] drm_client_modeset_commit_locked+0xd0/0x4a8 [ 46.728000][ T4044] drm_client_modeset_commit+0x50/0x7c [ 46.729151][ T4044] drm_fbdev_client_restore+0xe8/0x17c [ 46.730278][ T4044] drm_client_dev_restore+0x12c/0x248 [ 46.731338][ T4044] drm_release+0x4dc/0x654 [ 46.732314][ T4044] __fput+0x1c4/0x800 [ 46.733193][ T4044] ____fput+0x20/0x30 [ 46.734153][ T4044] task_work_run+0x130/0x1e4 [ 46.735074][ T4044] do_exit+0x670/0x20bc [ 46.735976][ T4044] do_group_exit+0x110/0x268 [ 46.736905][ T4044] __wake_up_parent+0x0/0x60 [ 46.738147][ T4044] invoke_syscall+0x98/0x2b8 [ 46.739111][ T4044] el0_svc_common+0x138/0x258 [ 46.740137][ T4044] do_el0_svc+0x58/0x14c [ 46.741027][ T4044] el0_svc+0x7c/0x1f0 [ 46.741843][ T4044] el0t_64_sync_handler+0x84/0xe4 [ 46.742862][ T4044] el0t_64_sync+0x1a0/0x1a4 [ 46.743793][ T4044] irq event stamp: 1276 [ 46.744685][ T4044] hardirqs last enabled at (1275): [] _raw_spin_unlock_irq+0x9c/0x134 [ 46.746838][ T4044] hardirqs last disabled at (1276): [] _raw_spin_lock_irq+0x38/0x13c [ 46.748867][ T4044] softirqs last enabled at (806): [] handle_softirqs+0xb88/0xdbc [ 46.751002][ T4044] softirqs last disabled at (789): [] __irq_exit_rcu+0x268/0x4d8 [ 46.753018][ T4044] ---[ end trace a48bb08d33d6dd87 ]---