------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70308 hardirqs last enabled at (70307): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (70307): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (70307): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (70308): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70148): [] rcu_read_unlock_bh include/linux/rcupdate.h:907 [inline] softirqs last enabled at (70148): [] keep_key_fresh drivers/net/wireguard/send.c:135 [inline] softirqs last enabled at (70148): [] wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline] softirqs last enabled at (70148): [] wg_packet_tx_worker+0x21c/0x538 drivers/net/wireguard/send.c:276 softirqs last disabled at (70146): [] wg_packet_create_data_done drivers/net/wireguard/send.c:257 [inline] softirqs last disabled at (70146): [] wg_packet_tx_worker+0x190/0x538 drivers/net/wireguard/send.c:276 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: ffff000069fe2d50 x16: ffff80008db60000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70402 hardirqs last enabled at (70401): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (70401): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (70401): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (70402): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70348): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70348): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70311): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: ffff80008db67860 x17: 0000000000000bfe x16: 0000000000002aa3 x15: 00000000000001ef x14: ffff80008db67940 x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70484 hardirqs last enabled at (70483): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (70483): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (70483): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (70484): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70434): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70434): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70405): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70612 hardirqs last enabled at (70611): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (70611): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (70611): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (70612): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70532): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70532): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70487): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70690 hardirqs last enabled at (70689): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (70689): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (70689): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (70690): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70640): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70640): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70615): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70776 hardirqs last enabled at (70775): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (70775): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (70775): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (70776): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70724): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70724): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70693): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 00000000000006d0 x16: 00000000f1f1f1f1 x15: 00000000f3f3f3f3 x14: 0000000000000000 x13: 0000000000000001 x12: ffff700011fb0eb7 x11: 1ffff00011fb0eb6 x10: ffff700011fb0eb6 x9 : dfff800000000000 x8 : ffff80008fd875b7 x7 : 0000000000000001 x6 : ffff700011fb0eb6 x5 : 1ffff00010ecd82c x4 : 1fffe00002933ac9 x3 : dfff800000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70876 hardirqs last enabled at (70875): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:515 [inline] hardirqs last enabled at (70875): [] arm64_exit_to_kernel_mode+0x50/0xc0 arch/arm64/kernel/entry-common.c:62 hardirqs last disabled at (70876): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70816): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70816): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70779): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: ffff000017f9bd80 x17: 1ffff00010f0f0c2 x16: 1fffe00002ff37c3 x15: 1ffff00010f0f0c1 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 70952 hardirqs last enabled at (70951): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (70951): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (70951): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (70952): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70904): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70904): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70879): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 0000000000000001 x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71030 hardirqs last enabled at (71029): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71029): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71029): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71030): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (70980): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (70980): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (70955): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71146 hardirqs last enabled at (71145): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71145): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71145): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71146): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71066): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71066): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71033): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 0000000000000001 x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71218 hardirqs last enabled at (71217): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71217): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71217): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71218): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71170): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71170): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71149): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: ffff7fffe29cd000 x16: ffff80008db60000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71298 hardirqs last enabled at (71297): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71297): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71297): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71298): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71248): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71248): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71221): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: ffff7fffe29cd000 x16: ffff80008db60000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71362 hardirqs last enabled at (71361): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71361): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71361): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71362): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71314): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71314): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71301): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: ffff7fffe29cd000 x16: ffff80008db60000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71458 hardirqs last enabled at (71457): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71457): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71457): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71458): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71410): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71410): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71365): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 0000000000000001 x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71550 hardirqs last enabled at (71549): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71549): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71549): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71550): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71500): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71500): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71461): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71644 hardirqs last enabled at (71643): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71643): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71643): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71644): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71600): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71600): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71589): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71732 hardirqs last enabled at (71731): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71731): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71731): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71732): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71684): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71684): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71647): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71830 hardirqs last enabled at (71829): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71829): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71829): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71830): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71820): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71820): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71795): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: ffff7fffe29cd000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 71900 hardirqs last enabled at (71899): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (71899): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (71899): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (71900): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71850): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71850): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71833): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 72022 hardirqs last enabled at (72021): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (72021): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (72021): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (72022): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (71942): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (71942): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (71903): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 72100 hardirqs last enabled at (72099): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (72099): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (72099): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (72100): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (72050): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (72050): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (72025): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 72150 hardirqs last enabled at (72149): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (72149): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (72149): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (72150): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (72050): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (72050): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (72025): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: ffff7fffe29cd000 x16: 00000000f1f1f1f1 x15: 00000000f3f3f3f3 x14: 0000000000000000 x13: 0000000000000001 x12: ffff700011fb0eb7 x11: 1ffff00011fb0eb6 x10: ffff700011fb0eb6 x9 : dfff800000000000 x8 : ffff80008fd875b7 x7 : 0000000000000001 x6 : ffff700011fb0eb6 x5 : 1ffff00010ecd82c x4 : 1fffe00002933ac9 x3 : dfff800000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 72224 hardirqs last enabled at (72223): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:515 [inline] hardirqs last enabled at (72223): [] arm64_exit_to_kernel_mode+0x50/0xc0 arch/arm64/kernel/entry-common.c:62 hardirqs last disabled at (72224): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (72178): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (72178): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (72153): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 72304 hardirqs last enabled at (72303): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (72303): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (72303): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (72304): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (72256): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (72256): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (72227): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1320 at drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320, CPU#1: kworker/1:6/12153 Modules linked in: CPU: 1 UID: 0 PID: 12153 Comm: kworker/1:6 Tainted: G W L syzkaller #0 PREEMPT Tainted: [W]=WARN, [L]=SOFTLOCKUP 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:1320 lr : drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 sp : ffff80008fd87900 x29: ffff80008fd879b0 x28: ffff80008766bed0 x27: ffff80008fd87940 x26: ffff000014789888 x25: ffff800085e80b80 x24: 0000000000000000 x23: 1ffff00011fb0f22 x22: ffff000014826008 x21: 0000000000000000 x20: ffff000014800000 x19: ffff000014826000 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6f0 x14: 1ffff00010ecdede x13: ffff800089e4c8e0 x12: ffff60000d3fe862 x11: 1fffe0000d3fe861 x10: ffff60000d3fe861 x9 : dfff800000000000 x8 : ffff80008fd87410 x7 : ffff80008fd87590 x6 : ffff80008fd87530 x5 : ffff80008fd87470 x4 : 0000000000000004 x3 : 1fffe0000d3fdb24 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001499d640 Call trace: drm_crtc_wait_one_vblank+0x2b8/0x464 drivers/gpu/drm/drm_vblank.c:1320 (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:237 [inline] drm_fb_helper_damage_work+0x144/0x5c0 drivers/gpu/drm/drm_fb_helper.c:275 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 irq event stamp: 72378 hardirqs last enabled at (72377): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (72377): [] finish_lock_switch kernel/sched/core.c:5124 [inline] hardirqs last enabled at (72377): [] finish_task_switch.isra.0+0x1e8/0x91c kernel/sched/core.c:5242 hardirqs last disabled at (72378): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (72330): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (72330): [] handle_softirqs+0xa9c/0x1050 kernel/softirq.c:650 softirqs last disabled at (72307): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---