------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Not tainted 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c2e60 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000000000000 s0 : ffffffe00a7c2ea0 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010000 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000003 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc4014f85cb t5 : ffffffc4014f85cd t6 : ffffffe00a7c2e68 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:52 [inline] [] dump_stack+0x1c0/0x1d8 lib/dump_stack.c:125 irq event stamp: 2768 hardirqs last enabled at (2767): [] dump_stack+0x18c/0x1d8 lib/dump_stack.c:125 hardirqs last disabled at (2768): [] _save_context+0x80/0x90 softirqs last enabled at (2686): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2657): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2657): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2657): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2657): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6587 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c2e60 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000000000000 s0 : ffffffe00a7c2ea0 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010000 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000002 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc4014f85cb t5 : ffffffc4014f85cd t6 : ffffffe00a7c2e68 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:52 [inline] [] dump_stack+0x1c0/0x1d8 lib/dump_stack.c:125 irq event stamp: 2768 hardirqs last enabled at (2767): [] dump_stack+0x18c/0x1d8 lib/dump_stack.c:125 hardirqs last disabled at (2768): [] _save_context+0x80/0x90 softirqs last enabled at (2686): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2657): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2657): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2657): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2657): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6588 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c2e60 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000000000000 s0 : ffffffe00a7c2ea0 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010000 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000003 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc4014f85cb t5 : ffffffc4014f85cd t6 : ffffffe00a7c2e68 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:52 [inline] [] dump_stack+0x1c0/0x1d8 lib/dump_stack.c:125 irq event stamp: 2768 hardirqs last enabled at (2767): [] dump_stack+0x18c/0x1d8 lib/dump_stack.c:125 hardirqs last disabled at (2768): [] _save_context+0x80/0x90 softirqs last enabled at (2686): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2657): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2657): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2657): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2657): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6589 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c3620 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000003fffb5b1d7 s0 : ffffffe00a7c3660 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010002 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000008 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000018 t5 : 00173eed80000000 t6 : 0000000533e62925 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] debug_smp_processor_id+0x24/0x2e lib/smp_processor_id.c:64 irq event stamp: 2896 hardirqs last enabled at (2895): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2895): [] _raw_spin_unlock_irq+0x2a/0x76 kernel/locking/spinlock.c:199 hardirqs last disabled at (2896): [] _save_context+0x80/0x90 softirqs last enabled at (2794): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2769): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2769): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2769): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2769): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d658a ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c3620 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000003fffb5b1d7 s0 : ffffffe00a7c3660 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010002 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000004 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000018 t5 : 00173eed80000000 t6 : 0000000533e62925 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] debug_smp_processor_id+0x24/0x2e lib/smp_processor_id.c:64 irq event stamp: 2896 hardirqs last enabled at (2895): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2895): [] _raw_spin_unlock_irq+0x2a/0x76 kernel/locking/spinlock.c:199 hardirqs last disabled at (2896): [] _save_context+0x80/0x90 softirqs last enabled at (2794): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2769): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2769): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2769): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2769): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d658b ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c3620 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000003fffb5b1d7 s0 : ffffffe00a7c3660 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010002 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000003 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000018 t5 : 00173eed80000000 t6 : 0000000533e62925 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] debug_smp_processor_id+0x24/0x2e lib/smp_processor_id.c:64 irq event stamp: 2896 hardirqs last enabled at (2895): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2895): [] _raw_spin_unlock_irq+0x2a/0x76 kernel/locking/spinlock.c:199 hardirqs last disabled at (2896): [] _save_context+0x80/0x90 softirqs last enabled at (2794): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2769): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2769): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2769): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2769): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d658c ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c34f0 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00a7c3530 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010001 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 000000000000000a s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000040 t5 : ffffffc4014d3e00 t6 : 0000000000040000 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] lock_page_memcg+0x222/0x2c8 mm/memcontrol.c:2154 irq event stamp: 3156 hardirqs last enabled at (3155): [] lock_page_memcg+0x222/0x2c8 mm/memcontrol.c:2154 hardirqs last disabled at (3156): [] _save_context+0x80/0x90 softirqs last enabled at (2924): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2897): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2897): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2897): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2897): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d658d ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c34f0 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00a7c3530 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010001 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000004 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000040 t5 : ffffffc4014d3e00 t6 : 0000000000040000 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] lock_page_memcg+0x222/0x2c8 mm/memcontrol.c:2154 irq event stamp: 3156 hardirqs last enabled at (3155): [] lock_page_memcg+0x222/0x2c8 mm/memcontrol.c:2154 hardirqs last disabled at (3156): [] _save_context+0x80/0x90 softirqs last enabled at (2924): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2897): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2897): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2897): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2897): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d658e ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4362 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4362 Comm: syz-executor.1 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00a7c34f0 gp : ffffffe0045883c0 tp : ffffffe029004740 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00a7c3530 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010001 a3 : ffffffe000f439d2 a4 : ffffffe029004740 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000004 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000040 t5 : ffffffc4014d3e00 t6 : 0000000000040000 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] lock_page_memcg+0x222/0x2c8 mm/memcontrol.c:2154 irq event stamp: 3156 hardirqs last enabled at (3155): [] lock_page_memcg+0x222/0x2c8 mm/memcontrol.c:2154 hardirqs last disabled at (3156): [] _save_context+0x80/0x90 softirqs last enabled at (2924): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (2897): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2897): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (2897): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (2897): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d658f ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3867 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 3867 Comm: kworker/1:2 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events_power_efficient wg_ratelimiter_gc_entries epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00edcb7c0 gp : ffffffe0045883c0 tp : ffffffe029000000 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000017512cb2 s0 : ffffffe00edcb800 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010002 a3 : ffffffe000f439d2 a4 : ffffffe029000000 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000009 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc40087ce04 t5 : ffffffc40087ce09 t6 : ffffffe010f52026 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] __preempt_count_dec_and_test include/asm-generic/preempt.h:69 [inline] [] rcu_is_watching+0x70/0xb6 kernel/rcu/tree.c:1170 irq event stamp: 479482 hardirqs last enabled at (479481): [] seqcount_lockdep_reader_access include/linux/seqlock.h:105 [inline] hardirqs last enabled at (479481): [] ktime_get_coarse_with_offset+0x15c/0x174 kernel/time/timekeeping.c:891 hardirqs last disabled at (479482): [] _save_context+0x80/0x90 softirqs last enabled at (479462): [] spin_unlock_bh include/linux/spinlock.h:399 [inline] softirqs last enabled at (479462): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:585 [inline] softirqs last enabled at (479462): [] nsim_dev_trap_report_work+0x524/0x5e6 drivers/net/netdevsim/dev.c:611 softirqs last disabled at (479460): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (479460): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:581 [inline] softirqs last disabled at (479460): [] nsim_dev_trap_report_work+0x4c2/0x5e6 drivers/net/netdevsim/dev.c:611 ---[ end trace 81844a727c8d6590 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3867 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 3867 Comm: kworker/1:2 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events_power_efficient wg_ratelimiter_gc_entries epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00edcb7c0 gp : ffffffe0045883c0 tp : ffffffe029000000 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000017512cb2 s0 : ffffffe00edcb800 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010002 a3 : ffffffe000f439d2 a4 : ffffffe029000000 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000004 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc40087ce04 t5 : ffffffc40087ce09 t6 : ffffffe010f52026 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] __preempt_count_dec_and_test include/asm-generic/preempt.h:69 [inline] [] rcu_is_watching+0x70/0xb6 kernel/rcu/tree.c:1170 irq event stamp: 479482 hardirqs last enabled at (479481): [] seqcount_lockdep_reader_access include/linux/seqlock.h:105 [inline] hardirqs last enabled at (479481): [] ktime_get_coarse_with_offset+0x15c/0x174 kernel/time/timekeeping.c:891 hardirqs last disabled at (479482): [] _save_context+0x80/0x90 softirqs last enabled at (479462): [] spin_unlock_bh include/linux/spinlock.h:399 [inline] softirqs last enabled at (479462): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:585 [inline] softirqs last enabled at (479462): [] nsim_dev_trap_report_work+0x524/0x5e6 drivers/net/netdevsim/dev.c:611 softirqs last disabled at (479460): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (479460): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:581 [inline] softirqs last disabled at (479460): [] nsim_dev_trap_report_work+0x4c2/0x5e6 drivers/net/netdevsim/dev.c:611 ---[ end trace 81844a727c8d6591 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3867 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 3867 Comm: kworker/1:2 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events_power_efficient wg_ratelimiter_gc_entries epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00edcb7c0 gp : ffffffe0045883c0 tp : ffffffe029000000 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000017512cb2 s0 : ffffffe00edcb800 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010002 a3 : ffffffe000f439d2 a4 : ffffffe029000000 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000004 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc40087ce04 t5 : ffffffc40087ce09 t6 : ffffffe010f52026 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] __preempt_count_dec_and_test include/asm-generic/preempt.h:69 [inline] [] rcu_is_watching+0x70/0xb6 kernel/rcu/tree.c:1170 irq event stamp: 479482 hardirqs last enabled at (479481): [] seqcount_lockdep_reader_access include/linux/seqlock.h:105 [inline] hardirqs last enabled at (479481): [] ktime_get_coarse_with_offset+0x15c/0x174 kernel/time/timekeeping.c:891 hardirqs last disabled at (479482): [] _save_context+0x80/0x90 softirqs last enabled at (479462): [] spin_unlock_bh include/linux/spinlock.h:399 [inline] softirqs last enabled at (479462): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:585 [inline] softirqs last enabled at (479462): [] nsim_dev_trap_report_work+0x524/0x5e6 drivers/net/netdevsim/dev.c:611 softirqs last disabled at (479460): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (479460): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:581 [inline] softirqs last disabled at (479460): [] nsim_dev_trap_report_work+0x4c2/0x5e6 drivers/net/netdevsim/dev.c:611 ---[ end trace 81844a727c8d6592 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4363 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4363 Comm: syz-executor.0 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe007957720 gp : ffffffe0045883c0 tp : ffffffe0290017c0 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000000010b26 s0 : ffffffe007957760 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010001 a3 : ffffffe000f439d2 a4 : ffffffe0290017c0 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000009 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000040 t5 : ffffffc4016a7e00 t6 : ffffffe00a6c37f0 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] compound_head include/linux/page-flags.h:184 [inline] [] PageAnon include/linux/page-flags.h:483 [inline] [] zap_pte_range mm/memory.c:1260 [inline] [] zap_pmd_range mm/memory.c:1374 [inline] [] zap_pud_range mm/memory.c:1403 [inline] [] zap_p4d_range mm/memory.c:1424 [inline] [] unmap_page_range+0x48c/0xf40 mm/memory.c:1445 irq event stamp: 1280 hardirqs last enabled at (1279): [] rmqueue_pcplist mm/page_alloc.c:3460 [inline] hardirqs last enabled at (1279): [] rmqueue mm/page_alloc.c:3483 [inline] hardirqs last enabled at (1279): [] get_page_from_freelist+0x14d6/0x1782 mm/page_alloc.c:3948 hardirqs last disabled at (1280): [] _save_context+0x80/0x90 softirqs last enabled at (1258): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (1247): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1247): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (1247): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (1247): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6593 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4363 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4363 Comm: syz-executor.0 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe007957720 gp : ffffffe0045883c0 tp : ffffffe0290017c0 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000000010b26 s0 : ffffffe007957760 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010001 a3 : ffffffe000f439d2 a4 : ffffffe0290017c0 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000004 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000040 t5 : ffffffc4016a7e00 t6 : ffffffe00a6c37f0 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] compound_head include/linux/page-flags.h:184 [inline] [] PageAnon include/linux/page-flags.h:483 [inline] [] zap_pte_range mm/memory.c:1260 [inline] [] zap_pmd_range mm/memory.c:1374 [inline] [] zap_pud_range mm/memory.c:1403 [inline] [] zap_p4d_range mm/memory.c:1424 [inline] [] unmap_page_range+0x48c/0xf40 mm/memory.c:1445 irq event stamp: 1280 hardirqs last enabled at (1279): [] rmqueue_pcplist mm/page_alloc.c:3460 [inline] hardirqs last enabled at (1279): [] rmqueue mm/page_alloc.c:3483 [inline] hardirqs last enabled at (1279): [] get_page_from_freelist+0x14d6/0x1782 mm/page_alloc.c:3948 hardirqs last disabled at (1280): [] _save_context+0x80/0x90 softirqs last enabled at (1258): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (1247): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1247): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (1247): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (1247): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6594 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4363 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 4363 Comm: syz-executor.0 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe007957720 gp : ffffffe0045883c0 tp : ffffffe0290017c0 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 0000000000010b26 s0 : ffffffe007957760 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010001 a3 : ffffffe000f439d2 a4 : ffffffe0290017c0 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000003 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : 0000000000000040 t5 : ffffffc4016a7e00 t6 : ffffffe00a6c37f0 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] compound_head include/linux/page-flags.h:184 [inline] [] PageAnon include/linux/page-flags.h:483 [inline] [] zap_pte_range mm/memory.c:1260 [inline] [] zap_pmd_range mm/memory.c:1374 [inline] [] zap_pud_range mm/memory.c:1403 [inline] [] zap_p4d_range mm/memory.c:1424 [inline] [] unmap_page_range+0x48c/0xf40 mm/memory.c:1445 irq event stamp: 1280 hardirqs last enabled at (1279): [] rmqueue_pcplist mm/page_alloc.c:3460 [inline] hardirqs last enabled at (1279): [] rmqueue mm/page_alloc.c:3483 [inline] hardirqs last enabled at (1279): [] get_page_from_freelist+0x14d6/0x1782 mm/page_alloc.c:3948 hardirqs last disabled at (1280): [] _save_context+0x80/0x90 softirqs last enabled at (1258): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (1247): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1247): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (1247): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (1247): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6595 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3867 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 3867 Comm: kworker/1:2 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events_power_efficient wg_ratelimiter_gc_entries epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00edcb770 gp : ffffffe0045883c0 tp : ffffffe029000000 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00edcb7b0 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010003 a3 : ffffffe000f439d2 a4 : ffffffe029000000 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 000000000000000a s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc4051ed7b2 t5 : ffffffc4051ed7ba t6 : 0000000000040000 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] debug_smp_processor_id+0x24/0x2e lib/smp_processor_id.c:64 irq event stamp: 479518 hardirqs last enabled at (479517): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (479517): [] _raw_spin_unlock_irq+0x2a/0x76 kernel/locking/spinlock.c:199 hardirqs last disabled at (479518): [] _save_context+0x80/0x90 softirqs last enabled at (479514): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (479483): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (479483): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (479483): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (479483): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6596 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3867 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 3867 Comm: kworker/1:2 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events_power_efficient wg_ratelimiter_gc_entries epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00edcb770 gp : ffffffe0045883c0 tp : ffffffe029000000 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00edcb7b0 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010003 a3 : ffffffe000f439d2 a4 : ffffffe029000000 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000003 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc4051ed7b2 t5 : ffffffc4051ed7ba t6 : 0000000000040000 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] debug_smp_processor_id+0x24/0x2e lib/smp_processor_id.c:64 irq event stamp: 479518 hardirqs last enabled at (479517): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (479517): [] _raw_spin_unlock_irq+0x2a/0x76 kernel/locking/spinlock.c:199 hardirqs last disabled at (479518): [] _save_context+0x80/0x90 softirqs last enabled at (479514): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (479483): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (479483): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (479483): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (479483): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace 81844a727c8d6597 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3867 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 Modules linked in: CPU: 1 PID: 3867 Comm: kworker/1:2 Tainted: G W 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events_power_efficient wg_ratelimiter_gc_entries epc : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 ra : vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 epc : ffffffe000f439d2 ra : ffffffe000f439d2 sp : ffffffe00edcb770 gp : ffffffe0045883c0 tp : ffffffe029000000 t0 : 0000000000046000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00edcb7b0 s1 : ffffffe006d7de58 a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000010003 a3 : ffffffe000f439d2 a4 : ffffffe029000000 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000f437ec s2 : ffffffe006d7cd30 s3 : 0000000000000004 s4 : 0000000000fe4c00 s5 : 0000000000001000 s6 : ffffffe066d651c8 s7 : 0000000000000000 s8 : ffffffe066d65190 s9 : ffffffe006d7de90 s10: ffffffe066d65100 s11: ffffffe000f43794 t3 : 0a6058cf64080300 t4 : ffffffc4051ed7b2 t5 : ffffffc4051ed7ba t6 : 0000000000040000 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] vkms_vblank_simulate+0x23e/0x242 drivers/gpu/drm/vkms/vkms_crtc.c:21 [] __run_hrtimer kernel/time/hrtimer.c:1537 [inline] [] __hrtimer_run_queues+0x4aa/0x9ba kernel/time/hrtimer.c:1601 [] hrtimer_interrupt+0x1e6/0x50a kernel/time/hrtimer.c:1663 [] riscv_timer_interrupt+0x5c/0x6a drivers/clocksource/timer-riscv.c:88 [] handle_percpu_devid_irq+0x17e/0x2be kernel/irq/chip.c:930 [] generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] [] generic_handle_irq kernel/irq/irqdesc.c:652 [inline] [] __handle_domain_irq+0x13e/0x1ea kernel/irq/irqdesc.c:689 [] handle_domain_irq include/linux/irqdesc.h:176 [inline] [] riscv_intc_irq+0x82/0xcc drivers/irqchip/irq-riscv-intc.c:40 [] ret_from_exception+0x0/0x14 [] debug_smp_processor_id+0x24/0x2e lib/smp_processor_id.c:64 irq event stamp: 479518 hardirqs last enabled at (479517): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (479517): [] _raw_spin_unlock_irq+0x2a/0x76 kernel/locking/spinlock.c:199 hardirqs last disabled at (479518): [] _save_context+0x80/0x90 softirqs last enabled at (479514): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (479483): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (479483): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (479483): [