------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: ffff7fffe4815000 x16: 00000000f1f1f1f1 x15: 00000000f3f3f3f3 x14: 0000000000000000 x13: 0000000000000001 x12: ffff700014324eb3 x11: 1ffff00014324eb2 x10: ffff700014324eb2 x9 : dfff800000000000 x8 : ffff8000a1927597 x7 : 0000000000000001 x6 : ffff700014324eb2 x5 : 1ffff00010ef901e x4 : 1fffe000025dd001 x3 : dfff800000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 57964 hardirqs last enabled at (57963): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (57963): [] __arm64_exit_to_kernel_mode+0x38/0x98 arch/arm64/kernel/entry-common.c:60 hardirqs last disabled at (57964): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (57816): [] spin_unlock_bh include/linux/spinlock.h:407 [inline] softirqs last enabled at (57816): [] ptr_ring_consume_bh include/linux/ptr_ring.h:399 [inline] softirqs last enabled at (57816): [] wg_packet_decrypt_worker+0x248/0x3a0 drivers/net/wireguard/receive.c:499 softirqs last disabled at (57814): [] spin_lock_bh include/linux/spinlock.h:353 [inline] softirqs last disabled at (57814): [] ptr_ring_consume_bh include/linux/ptr_ring.h:397 [inline] softirqs last disabled at (57814): [] wg_packet_decrypt_worker+0x68/0x3a0 drivers/net/wireguard/receive.c:499 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 00000000e145f68e x16: 00000000f1f1f1f1 x15: 00000000f3f3f3f3 x14: 0000000000000000 x13: 0000000000000001 x12: ffff700014324eb3 x11: 1ffff00014324eb2 x10: ffff700014324eb2 x9 : dfff800000000000 x8 : ffff8000a1927597 x7 : 0000000000000001 x6 : ffff700014324eb2 x5 : 1ffff00010ef901e x4 : 1fffe000025dd001 x3 : dfff800000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58094 hardirqs last enabled at (58093): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (58093): [] __arm64_exit_to_kernel_mode+0x38/0x98 arch/arm64/kernel/entry-common.c:60 hardirqs last disabled at (58094): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58004): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58004): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (57967): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58148 hardirqs last enabled at (58147): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58147): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58147): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58148): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58004): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58004): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (57967): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58202 hardirqs last enabled at (58201): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58201): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58201): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58202): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58004): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58004): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (57967): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58322 hardirqs last enabled at (58321): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58321): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58321): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58322): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58376 hardirqs last enabled at (58375): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58375): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58375): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58376): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: ffff7fffe4815000 x16: 00000000f1f1f1f1 x15: 00000000f3f3f3f3 x14: 0000000000000000 x13: 0000000000000001 x12: ffff700014324eb3 x11: 1ffff00014324eb2 x10: ffff700014324eb2 x9 : dfff800000000000 x8 : ffff8000a1927597 x7 : 0000000000000001 x6 : ffff700014324eb2 x5 : 1ffff00010ef901e x4 : 1fffe000025dd001 x3 : dfff800000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58428 hardirqs last enabled at (58427): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (58427): [] __arm64_exit_to_kernel_mode+0x38/0x98 arch/arm64/kernel/entry-common.c:60 hardirqs last disabled at (58428): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58482 hardirqs last enabled at (58481): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58481): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58481): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58482): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58536 hardirqs last enabled at (58535): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58535): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58535): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58536): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: ffff7fffe4815000 x16: 00000000f1f1f1f1 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58624 hardirqs last enabled at (58623): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58623): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58623): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58624): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58678 hardirqs last enabled at (58677): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58677): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58677): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58678): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58732 hardirqs last enabled at (58731): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58731): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58731): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58732): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: ffff0000184aa100 x17: 1ffff00010f3b352 x16: 1fffe00003095433 x15: 1ffff00010f3b351 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58788 hardirqs last enabled at (58787): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58787): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58787): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58788): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58844 hardirqs last enabled at (58843): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (58843): [] __arm64_exit_to_kernel_mode+0x38/0x98 arch/arm64/kernel/entry-common.c:60 hardirqs last disabled at (58844): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: ffff0000184aa100 x17: 1ffff00010f3b352 x16: 1fffe00003095433 x15: 1ffff00010f3b351 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58898 hardirqs last enabled at (58897): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58897): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58897): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58898): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 1ffff00010f3b352 x16: 1fffe00001e48b73 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 58952 hardirqs last enabled at (58951): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (58951): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (58951): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (58952): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: ffff0000184aa100 x17: 1ffff00010f3b352 x16: 1fffe00003095433 x15: 1ffff00010f3b351 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59006 hardirqs last enabled at (59005): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59005): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59005): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59006): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: ffff00006bf7d268 x17: ffff7fffe4815000 x16: ffff00006bf7cf10 x15: 0000000000000000 x14: 1fffe0000d7efa4d x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59062 hardirqs last enabled at (59061): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59061): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59061): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59062): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59118 hardirqs last enabled at (59117): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59117): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59117): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59118): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: ffff0000184aa100 x17: 1ffff00010f3b352 x16: 1fffe00003095433 x15: 1ffff00010f3b351 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59212 hardirqs last enabled at (59211): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59211): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59211): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59212): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59266 hardirqs last enabled at (59265): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59265): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59265): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59266): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59322 hardirqs last enabled at (59321): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59321): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59321): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59322): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59382 hardirqs last enabled at (59381): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59381): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59381): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59382): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59436 hardirqs last enabled at (59435): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59435): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59435): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59436): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329, CPU#0: kworker/0:4/3525 Modules linked in: CPU: 0 UID: 0 PID: 3525 Comm: kworker/0:4 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: linux,dummy-virt (DT) Workqueue: events drm_fb_helper_damage_work pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 sp : ffff8000a19278e0 x29: ffff8000a1927990 x28: ffff000014560980 x27: ffff8000a1927920 x26: ffff00000fe62888 x25: ffff800085f507e0 x24: 0000000000000000 x23: 1ffff00014324f1e x22: ffff000014612008 x21: 0000000000000000 x20: ffff0000145af000 x19: ffff000014612000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000877cb690 x14: 1ffff00010ef96d2 x13: ffff800089e86998 x12: ffff60000d7f1e22 x11: 1fffe0000d7f1e21 x10: ffff60000d7f1e21 x9 : dfff800000000000 x8 : ffff8000a1927410 x7 : ffff8000a1927590 x6 : ffff8000a1927530 x5 : ffff8000a1927470 x4 : 0000000000000004 x3 : 1fffe0000d7f0f5d x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000012ee8000 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1329 (P) drm_client_modeset_wait_for_vblank+0xb4/0xe0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x230/0x88c drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0x830/0x1c00 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3551 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 59492 hardirqs last enabled at (59491): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1698 [inline] hardirqs last enabled at (59491): [] finish_lock_switch kernel/sched/core.c:5251 [inline] hardirqs last enabled at (59491): [] finish_task_switch.isra.0+0x1e4/0x9f0 kernel/sched/core.c:5369 hardirqs last disabled at (59492): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (58262): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (58262): [] handle_softirqs+0xa98/0x1048 kernel/softirq.c:673 softirqs last disabled at (58237): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]---