------------[ cut here ]------------
WARNING: CPU: 1 PID: 14205 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 14205 Comm: syz-executor.0 Not tainted 5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006aba5c28cc0 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000681683e7e88a x14: 0000000000000126 
x13: 0000000000000001 x12: 000000000000001a 
x11: 0000000000000002 x10: 0000000000000126 
x9 : 00000000032549ff x8 : 000006aba5ae2ab0 
x7 : 7fffffffffffffff x6 : 000006aba5ae2ab0 
x5 : 000006aba5ae2ab0 x4 : f0ff000003b4d498 
x3 : 000006aba6ac76b0 x2 : 000006aba5ae2ab0 
x1 : 000006aba6ac76b0 x0 : 0000000000000002 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 __kfence_alloc+0x0/0x440 mm/kfence/core.c:718
 kmalloc include/linux/slab.h:559 [inline]
 tomoyo_realpath_from_path+0x48/0x1c0 security/tomoyo/realpath.c:254
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0xe8/0x1d0 security/tomoyo/file.c:822
 tomoyo_path_symlink+0x34/0x60 security/tomoyo/tomoyo.c:200
 security_path_symlink+0x54/0x90 security/security.c:1119
 do_symlinkat+0x88/0x150 fs/namei.c:4197
 __do_sys_symlinkat fs/namei.c:4218 [inline]
 __se_sys_symlinkat fs/namei.c:4215 [inline]
 __arm64_sys_symlinkat+0x24/0x30 fs/namei.c:4215
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0x44/0xd0 arch/arm64/kernel/syscall.c:145
 do_el0_svc+0x74/0x90 arch/arm64/kernel/syscall.c:184
 el0_svc+0x2c/0x54 arch/arm64/kernel/entry-common.c:422
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:438
 el0_sync+0x1a8/0x1c0 arch/arm64/kernel/entry.S:743
---[ end trace 362f20ac951334c4 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14205 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 14205 Comm: syz-executor.0 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006ababb9e990 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 000016f3ffffe90c x14: 00000000000000c3 
x13: 0000000000000001 x12: 0000000000000001 
x11: 0000000000000005 x10: 00000000000000c3 
x9 : 00000000075846a2 x8 : 000006ababa3f2b0 
x7 : 7fffffffffffffff x6 : 000006ababa3f2b0 
x5 : 000006ababa3f2b0 x4 : f0ff000003b4d498 
x3 : 000006abaca23eb0 x2 : 000006ababa3f2b0 
x1 : 000006abaca23eb0 x0 : 0000000000000006 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 __kfence_alloc+0x0/0x440 mm/kfence/core.c:718
 kmalloc include/linux/slab.h:559 [inline]
 tomoyo_realpath_from_path+0x48/0x1c0 security/tomoyo/realpath.c:254
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0xe8/0x1d0 security/tomoyo/file.c:822
 tomoyo_path_symlink+0x34/0x60 security/tomoyo/tomoyo.c:200
 security_path_symlink+0x54/0x90 security/security.c:1119
 do_symlinkat+0x88/0x150 fs/namei.c:4197
 __do_sys_symlinkat fs/namei.c:4218 [inline]
 __se_sys_symlinkat fs/namei.c:4215 [inline]
 __arm64_sys_symlinkat+0x24/0x30 fs/namei.c:4215
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0x44/0xd0 arch/arm64/kernel/syscall.c:145
 do_el0_svc+0x74/0x90 arch/arm64/kernel/syscall.c:184
 el0_svc+0x2c/0x54 arch/arm64/kernel/entry-common.c:422
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:438
 el0_sync+0x1a8/0x1c0 arch/arm64/kernel/entry.S:743
---[ end trace 362f20ac951334c5 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14205 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 14205 Comm: syz-executor.0 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006abaf5456b0 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 00003b0c4ceba71e x14: 00000000000001a7 
x13: 0000000000000001 x12: 0000000000000020 
x11: 0000000000000002 x10: 00000000000001a7 
x9 : 00000000044ff4f7 x8 : 000006abae9ed6b0 
x7 : 7fffffffffffffff x6 : 000006abae9ed6b0 
x5 : 000006abae9ed6b0 x4 : f0ff000003b4d498 
x3 : 000006abaf9d22b0 x2 : 000006abae9ed6b0 
x1 : 000006abaf9d22b0 x0 : 0000000000000003 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 __kfence_alloc+0x0/0x440 mm/kfence/core.c:718
 kmalloc include/linux/slab.h:559 [inline]
 tomoyo_realpath_from_path+0x48/0x1c0 security/tomoyo/realpath.c:254
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0xe8/0x1d0 security/tomoyo/file.c:822
 tomoyo_path_symlink+0x34/0x60 security/tomoyo/tomoyo.c:200
 security_path_symlink+0x54/0x90 security/security.c:1119
 do_symlinkat+0x88/0x150 fs/namei.c:4197
 __do_sys_symlinkat fs/namei.c:4218 [inline]
 __se_sys_symlinkat fs/namei.c:4215 [inline]
 __arm64_sys_symlinkat+0x24/0x30 fs/namei.c:4215
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0x44/0xd0 arch/arm64/kernel/syscall.c:145
 do_el0_svc+0x74/0x90 arch/arm64/kernel/syscall.c:184
 el0_svc+0x2c/0x54 arch/arm64/kernel/entry-common.c:422
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:438
 el0_sync+0x1a8/0x1c0 arch/arm64/kernel/entry.S:743
---[ end trace 362f20ac951334c6 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14205 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 14205 Comm: syz-executor.0 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006abb99936a0 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000000000000 x14: 0000000000000000 
x13: 0000000000000000 x12: 0000000000000040 
x11: f7ff000003400260 x10: f7ff000003400262 
x9 : ffff8000127cbfa0 x8 : 000006abb98c1ab0 
x7 : 7fffffffffffffff x6 : 000006abb98c1ab0 
x5 : 000006abb98c1ab0 x4 : f0ff000003b4d498 
x3 : 000006abba8a66b0 x2 : 000006abb98c1ab0 
x1 : 000006abba8a66b0 x0 : 000000000000000b 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 local_daif_restore arch/arm64/include/asm/daifflags.h:117 [inline]
 el0_svc_common.constprop.0+0x30/0xd0 arch/arm64/kernel/syscall.c:110
 do_el0_svc+0x74/0x90 arch/arm64/kernel/syscall.c:184
 el0_svc+0x2c/0x54 arch/arm64/kernel/entry-common.c:422
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:438
 el0_sync+0x1a8/0x1c0 arch/arm64/kernel/entry.S:743
---[ end trace 362f20ac951334c7 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14205 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 14205 Comm: syz-executor.0 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006abbe2428b0 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000000000000 x14: 000000000000ba7e 
x13: 000022f79239ede0 x12: 008be32d059cda89 
x11: 000000000000b67e x10: 0000000000000001 
x9 : 00000000000002e4 x8 : 000006abbd854ab0 
x7 : 7fffffffffffffff x6 : 000006abbd854ab0 
x5 : 000006abbd854ab0 x4 : f0ff000003b4d498 
x3 : 000006abbe8396b0 x2 : 000006abbd854ab0 
x1 : 000006abbe8396b0 x0 : 0000000000000004 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 local_daif_restore arch/arm64/include/asm/daifflags.h:117 [inline]
 el0_svc_common.constprop.0+0x30/0xd0 arch/arm64/kernel/syscall.c:110
 do_el0_svc+0x74/0x90 arch/arm64/kernel/syscall.c:184
 el0_svc+0x2c/0x54 arch/arm64/kernel/entry-common.c:422
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:438
 el0_sync+0x1a8/0x1c0 arch/arm64/kernel/entry.S:743
---[ end trace 362f20ac951334c8 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 14205 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 14205 Comm: syz-executor.0 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006abc11f7e90 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000488cef2b1f5a x14: 000000000000034e 
x13: 0000000000000001 x12: 000000000000002b 
x11: 0000000000000002 x10: 000000000000034e 
x9 : 00000000029fa6d6 x8 : 000006abc0802eb0 
x7 : 7fffffffffffffff x6 : 000006abc0802eb0 
x5 : 000006abc0802eb0 x4 : f0ff000003b4d498 
x3 : 000006abc17e7ab0 x2 : 000006abc0802eb0 
x1 : 000006abc17e7ab0 x0 : 0000000000000003 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 local_daif_restore arch/arm64/include/asm/daifflags.h:117 [inline]
 el0_svc_common.constprop.0+0x30/0xd0 arch/arm64/kernel/syscall.c:110
 do_el0_svc+0x74/0x90 arch/arm64/kernel/syscall.c:184
 el0_svc+0x2c/0x54 arch/arm64/kernel/entry-common.c:422
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:438
 el0_sync+0x1a8/0x1c0 arch/arm64/kernel/entry.S:743
---[ end trace 362f20ac951334c9 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006abca9ba5f0 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000000000000 x14: 0000000000000000 
x13: 00009d2133106250 x12: 02748f71f5982160 
x11: 000000000000b67e x10: 000000000000a3c3 
x9 : 0000000000009d21 x8 : 000006abca6f26b0 
x7 : 7fffffffffffffff x6 : 000006abca6f26b0 
x5 : 000006abca6f26b0 x4 : f0ff000003b4d498 
x3 : 000006abcb6d72b0 x2 : 000006abca6f26b0 
x1 : 000006abcb6d72b0 x0 : 000000000000000a 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 arch_cpu_idle+0x18/0x30 arch/arm64/kernel/process.c:131
 default_idle_call+0x24/0x6c kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:194 [inline]
 do_idle+0x22c/0x29c kernel/sched/idle.c:300
 cpu_startup_entry+0x24/0x70 kernel/sched/idle.c:397
 secondary_start_kernel+0x164/0x190 arch/arm64/kernel/smp.c:273
 0x0
---[ end trace 362f20ac951334ca ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006abcebb22c0 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000395d6a3caff8 x14: 0000000000000000 
x13: ffff8000126b7000 x12: 0000000000000288 
x11: 0000000000000028 x10: 0000000000000000 
x9 : ffff00007fbd9cc0 x8 : 000006abce6856b0 
x7 : 7fffffffffffffff x6 : 000006abce6856b0 
x5 : 000006abce6856b0 x4 : f0ff000003b4d498 
x3 : 000006abcf66a2b0 x2 : 000006abce6856b0 
x1 : 000006abcf66a2b0 x0 : 0000000000000004 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 arch_cpu_idle+0x18/0x30 arch/arm64/kernel/process.c:131
 default_idle_call+0x24/0x6c kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:194 [inline]
 do_idle+0x22c/0x29c kernel/sched/idle.c:300
 cpu_startup_entry+0x24/0x70 kernel/sched/idle.c:397
 secondary_start_kernel+0x164/0x190 arch/arm64/kernel/smp.c:273
 0x0
---[ end trace 362f20ac951334cb ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W         5.12.0-syzkaller-04426-gfafe1e39ed21 #0
Hardware name: linux,dummy-virt (DT)
pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO BTYPE=--)
pc : vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:21
lr : hrtimer_forward_now include/linux/hrtimer.h:510 [inline]
lr : vkms_vblank_simulate+0x3c/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:19
sp : ffff80001000be30
x29: ffff80001000be30 x28: ffff00007fbd4e00 
x27: ffff00007fbd4e40 x26: ffff8000107fd0d0 
x25: 0000000000000000 x24: 0000000000000001 
x23: 00000000000000c0 x22: 000006abd0f5f7d0 
x21: 0000000000fe4c00 x20: f0ff000003b4c628 
x19: f0ff000003b4d498 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000395d6a3caff8 x14: 0000000000000000 
x13: ffff8000126b7000 x12: 000000000000014e 
x11: 0000000000000024 x10: 0000000000000000 
x9 : ffff00007fbd9cc0 x8 : 000006abd064eeb0 
x7 : 7fffffffffffffff x6 : 000006abd064eeb0 
x5 : 000006abd064eeb0 x4 : f0ff000003b4d498 
x3 : 000006abd1633ab0 x2 : 000006abd064eeb0 
x1 : 000006abd1633ab0 x0 : 0000000000000002 
Call trace:
 vkms_vblank_simulate+0x120/0x130 drivers/gpu/drm/vkms/vkms_crtc.c:41
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x140/0x1e0 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0xe8/0x2c0 kernel/time/hrtimer.c:1663
 timer_handler drivers/clocksource/arm_arch_timer.c:656 [inline]
 arch_timer_handler_phys+0x38/0x50 drivers/clocksource/arm_arch_timer.c:674
 handle_percpu_devid_irq+0x84/0x150 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+0x7c/0xe0 kernel/irq/irqdesc.c:689
 handle_domain_irq include/linux/irqdesc.h:176 [inline]
 gic_handle_irq+0x50/0xd0 drivers/irqchip/irq-gic.c:370
 el1_irq+0xb4/0x14c arch/arm64/kernel/entry.S:726
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 arch_cpu_idle+0x18/0x30 arch/arm64/kernel/process.c:131
 default_idle_call+0x24/0x6c kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:194 [inline]
 do_idle+0x22c/0x29c kernel/sched/idle.c:300
 cpu_startup_entry+0x24/0x70 kernel/sched/idle.c:397
 secondary_start_kernel+0x164/0x190 arch/arm64/kernel/smp.c:273
 0x0
---[ end trace 362f20ac951334cc ]---