================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 1023 is out of range for type 'const int[34]'
CPU: 1 PID: 653 Comm: syz.0.106 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:77
dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
dump_stack+0x15/0x1c lib/dump_stack.c:135
ubsan_epilogue+0xe/0x40 lib/ubsan.c:148
__ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:347
aiptek_irq+0x1fa2/0x2860 drivers/input/tablet/aiptek.c:741
__usb_hcd_giveback_urb+0x32f/0x4f0 drivers/usb/core/hcd.c:1674
usb_hcd_giveback_urb+0x11d/0x3f0 drivers/usb/core/hcd.c:1748
dummy_timer+0xa34/0x31d0 drivers/usb/gadget/udc/dummy_hcd.c:1986
call_timer_fn+0x38/0x290 kernel/time/timer.c:1450
expire_timers kernel/time/timer.c:1495 [inline]
__run_timers+0x637/0x9a0 kernel/time/timer.c:1789
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802
__do_softirq+0x255/0x563 kernel/softirq.c:309
asm_call_irq_on_stack+0xf/0x20
__run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
invoke_softirq kernel/softirq.c:405 [inline]
__irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__rdmsr arch/x86/include/asm/msr.h:93 [inline]
RIP: 0010:native_read_msr arch/x86/include/asm/msr.h:127 [inline]
RIP: 0010:get_debugctlmsr arch/x86/include/asm/processor.h:691 [inline]
RIP: 0010:vmx_vcpu_load+0x31/0x90 arch/x86/kvm/vmx/vmx.c:1487
Code: 41 89 f6 48 89 fb e8 5e d1 47 00 48 89 df 44 89 f6 31 d2 e8 51 34 fe ff 48 89 df 44 89 f6 e8 96 92 05 00 b9 d9 01 00 00 0f 32 <49> 89 d6 49 c1 e6 20 49 09 c6 0f 1f 44 00 00 e8 2b d1 47 00 48 81
RSP: 0018:ffffc90000edf648 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffff88811a42c000 RCX: 00000000000001d9
RDX: 0000000000000000 RSI: 000000000001495f RDI: 0000000000014960
RBP: ffffc90000edf658 R08: ffff88811a42e8a7 R09: 1ffff11023485d14
R10: dffffc0000000000 R11: ffffed1023485d15 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
kvm_arch_vcpu_load+0x124/0x720 arch/x86/kvm/x86.c:4067
kvm_sched_in+0x85/0xc0 virt/kvm/kvm_main.c:4875
__fire_sched_in_preempt_notifiers kernel/sched/core.c:3689 [inline]
fire_sched_in_preempt_notifiers kernel/sched/core.c:3695 [inline]
finish_task_switch+0x4da/0x5a0 kernel/sched/core.c:3890
context_switch kernel/sched/core.c:4051 [inline]
__schedule+0xc0b/0x13e0 kernel/sched/core.c:4806
preempt_schedule_irq+0xaa/0x120 kernel/sched/core.c:5067
irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
irqentry_exit+0x56/0x60 kernel/entry/common.c:395
sysvec_reschedule_ipi+0x69/0x70 arch/x86/kernel/smp.c:225
asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640
RIP: 0010:__vmcs_writel arch/x86/kvm/vmx/vmx_ops.h:176 [inline]
RIP: 0010:vmcs_write32 arch/x86/kvm/vmx/vmx_ops.h:194 [inline]
RIP: 0010:vmx_vcpu_reset+0x290/0xfa0 arch/x86/kvm/vmx/vmx.c:4551
Code: 00 b8 0e 48 00 00 0f 79 05 45 0e a2 04 2e 0f 86 be 08 00 00 e8 91 de 47 00 0f 1f 44 00 00 b8 22 48 00 00 0f 79 05 a8 0d a2 04 <2e> 0f 86 c9 08 00 00 e8 74 de 47 00 0f 1f 44 00 00 b8 0c 08 00 00
RSP: 0018:ffffc90000edf9a0 EFLAGS: 00000202
RAX: 0000000000004822 RBX: ffff88811a42c000 RCX: 0000000000080000
RDX: ffffc90002910000 RSI: 000000000001397d RDI: 000000000001397e
RBP: ffffc90000edfa48 R08: ffffc90000d84d6b R09: 1ffff920001b09ad
R10: dffffc0000000000 R11: fffff520001b09ae R12: 1ffff920001dbf38
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88811a42e770
kvm_vcpu_reset+0x71e/0x8c0 arch/x86/kvm/x86.c:10458
kvm_arch_vcpu_create+0x7fe/0x970 arch/x86/kvm/x86.c:10317
kvm_vm_ioctl_create_vcpu+0x32e/0x750 virt/kvm/kvm_main.c:3246
kvm_vm_ioctl+0x2ae/0xab0 virt/kvm/kvm_main.c:3810
vfs_ioctl fs/ioctl.c:48 [inline]
__do_sys_ioctl fs/ioctl.c:753 [inline]
__se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:739
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f48bce8fe59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f48bb8a8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f48bd109180 RCX: 00007f48bce8fe59
RDX: 0000000000000002 RSI: 000000000000ae41 RDI: 0000000000000009
RBP: 00007f48bcf25e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f48bd109218 R14: 00007f48bd109180 R15: 00007fff60c4c388
================================================================================
==================================================================
BUG: KASAN: global-out-of-bounds in aiptek_irq+0x1fc0/0x2860 drivers/input/tablet/aiptek.c:741
Read of size 4 at addr ffffffff855ae65c by task syz.0.106/653
CPU: 1 PID: 653 Comm: syz.0.106 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:77
dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:435 [inline]
kasan_report+0x100/0x140 mm/kasan/report.c:452
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
aiptek_irq+0x1fc0/0x2860 drivers/input/tablet/aiptek.c:741
__usb_hcd_giveback_urb+0x32f/0x4f0 drivers/usb/core/hcd.c:1674
usb_hcd_giveback_urb+0x11d/0x3f0 drivers/usb/core/hcd.c:1748
dummy_timer+0xa34/0x31d0 drivers/usb/gadget/udc/dummy_hcd.c:1986
call_timer_fn+0x38/0x290 kernel/time/timer.c:1450
expire_timers kernel/time/timer.c:1495 [inline]
__run_timers+0x637/0x9a0 kernel/time/timer.c:1789
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802
__do_softirq+0x255/0x563 kernel/softirq.c:309
asm_call_irq_on_stack+0xf/0x20
__run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
invoke_softirq kernel/softirq.c:405 [inline]
__irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__rdmsr arch/x86/include/asm/msr.h:93 [inline]
RIP: 0010:native_read_msr arch/x86/include/asm/msr.h:127 [inline]
RIP: 0010:get_debugctlmsr arch/x86/include/asm/processor.h:691 [inline]
RIP: 0010:vmx_vcpu_load+0x31/0x90 arch/x86/kvm/vmx/vmx.c:1487
Code: 41 89 f6 48 89 fb e8 5e d1 47 00 48 89 df 44 89 f6 31 d2 e8 51 34 fe ff 48 89 df 44 89 f6 e8 96 92 05 00 b9 d9 01 00 00 0f 32 <49> 89 d6 49 c1 e6 20 49 09 c6 0f 1f 44 00 00 e8 2b d1 47 00 48 81
RSP: 0018:ffffc90000edf648 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffff88811a42c000 RCX: 00000000000001d9
RDX: 0000000000000000 RSI: 000000000001495f RDI: 0000000000014960
RBP: ffffc90000edf658 R08: ffff88811a42e8a7 R09: 1ffff11023485d14
R10: dffffc0000000000 R11: ffffed1023485d15 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
kvm_arch_vcpu_load+0x124/0x720 arch/x86/kvm/x86.c:4067
kvm_sched_in+0x85/0xc0 virt/kvm/kvm_main.c:4875
__fire_sched_in_preempt_notifiers kernel/sched/core.c:3689 [inline]
fire_sched_in_preempt_notifiers kernel/sched/core.c:3695 [inline]
finish_task_switch+0x4da/0x5a0 kernel/sched/core.c:3890
context_switch kernel/sched/core.c:4051 [inline]
__schedule+0xc0b/0x13e0 kernel/sched/core.c:4806
preempt_schedule_irq+0xaa/0x120 kernel/sched/core.c:5067
irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
irqentry_exit+0x56/0x60 kernel/entry/common.c:395
sysvec_reschedule_ipi+0x69/0x70 arch/x86/kernel/smp.c:225
asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640
RIP: 0010:__vmcs_writel arch/x86/kvm/vmx/vmx_ops.h:176 [inline]
RIP: 0010:vmcs_write32 arch/x86/kvm/vmx/vmx_ops.h:194 [inline]
RIP: 0010:vmx_vcpu_reset+0x290/0xfa0 arch/x86/kvm/vmx/vmx.c:4551
Code: 00 b8 0e 48 00 00 0f 79 05 45 0e a2 04 2e 0f 86 be 08 00 00 e8 91 de 47 00 0f 1f 44 00 00 b8 22 48 00 00 0f 79 05 a8 0d a2 04 <2e> 0f 86 c9 08 00 00 e8 74 de 47 00 0f 1f 44 00 00 b8 0c 08 00 00
RSP: 0018:ffffc90000edf9a0 EFLAGS: 00000202
RAX: 0000000000004822 RBX: ffff88811a42c000 RCX: 0000000000080000
RDX: ffffc90002910000 RSI: 000000000001397d RDI: 000000000001397e
RBP: ffffc90000edfa48 R08: ffffc90000d84d6b R09: 1ffff920001b09ad
R10: dffffc0000000000 R11: fffff520001b09ae R12: 1ffff920001dbf38
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88811a42e770
kvm_vcpu_reset+0x71e/0x8c0 arch/x86/kvm/x86.c:10458
kvm_arch_vcpu_create+0x7fe/0x970 arch/x86/kvm/x86.c:10317
kvm_vm_ioctl_create_vcpu+0x32e/0x750 virt/kvm/kvm_main.c:3246
kvm_vm_ioctl+0x2ae/0xab0 virt/kvm/kvm_main.c:3810
vfs_ioctl fs/ioctl.c:48 [inline]
__do_sys_ioctl fs/ioctl.c:753 [inline]
__se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:739
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f48bce8fe59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f48bb8a8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f48bd109180 RCX: 00007f48bce8fe59
RDX: 0000000000000002 RSI: 000000000000ae41 RDI: 0000000000000009
RBP: 00007f48bcf25e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f48bd109218 R14: 00007f48bd109180 R15: 00007fff60c4c388
The buggy address belongs to the variable:
.str.5+0x3c/0x40
Memory state around the buggy address:
ffffffff855ae500: 00 00 00 00 00 00 00 00 00 00 00 00 05 f9 f9 f9
ffffffff855ae580: 00 00 f9 f9 00 00 00 07 f9 f9 f9 f9 00 00 00 f9
>ffffffff855ae600: f9 f9 f9 f9 00 00 00 05 f9 f9 f9 f9 00 00 00 00
^
ffffffff855ae680: 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 03
ffffffff855ae700: f9 f9 f9 f9 00 00 00 00 00 00 01 f9 f9 f9 f9 f9
==================================================================
================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 1024 is out of range for type 'const int[34]'
CPU: 1 PID: 653 Comm: syz.0.106 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:77
dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
dump_stack+0x15/0x1c lib/dump_stack.c:135
ubsan_epilogue+0xe/0x40 lib/ubsan.c:148
__ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:347
aiptek_irq+0x1e71/0x2860 drivers/input/tablet/aiptek.c:763
__usb_hcd_giveback_urb+0x32f/0x4f0 drivers/usb/core/hcd.c:1674
usb_hcd_giveback_urb+0x11d/0x3f0 drivers/usb/core/hcd.c:1748
dummy_timer+0xa34/0x31d0 drivers/usb/gadget/udc/dummy_hcd.c:1986
call_timer_fn+0x38/0x290 kernel/time/timer.c:1450
expire_timers kernel/time/timer.c:1495 [inline]
__run_timers+0x637/0x9a0 kernel/time/timer.c:1789
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1802
__do_softirq+0x255/0x563 kernel/softirq.c:309
asm_call_irq_on_stack+0xf/0x20
__run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
invoke_softirq kernel/softirq.c:405 [inline]
__irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__rdmsr arch/x86/include/asm/msr.h:93 [inline]
RIP: 0010:native_read_msr arch/x86/include/asm/msr.h:127 [inline]
RIP: 0010:get_debugctlmsr arch/x86/include/asm/processor.h:691 [inline]
RIP: 0010:vmx_vcpu_load+0x31/0x90 arch/x86/kvm/vmx/vmx.c:1487
Code: 41 89 f6 48 89 fb e8 5e d1 47 00 48 89 df 44 89 f6 31 d2 e8 51 34 fe ff 48 89 df 44 89 f6 e8 96 92 05 00 b9 d9 01 00 00 0f 32 <49> 89 d6 49 c1 e6 20 49 09 c6 0f 1f 44 00 00 e8 2b d1 47 00 48 81
RSP: 0018:ffffc90000edf648 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffff88811a42c000 RCX: 00000000000001d9
RDX: 0000000000000000 RSI: 000000000001495f RDI: 0000000000014960
RBP: ffffc90000edf658 R08: ffff88811a42e8a7 R09: 1ffff11023485d14
R10: dffffc0000000000 R11: ffffed1023485d15 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000
kvm_arch_vcpu_load+0x124/0x720 arch/x86/kvm/x86.c:4067
kvm_sched_in+0x85/0xc0 virt/kvm/kvm_main.c:4875
__fire_sched_in_preempt_notifiers kernel/sched/core.c:3689 [inline]
fire_sched_in_preempt_notifiers kernel/sched/core.c:3695 [inline]
finish_task_switch+0x4da/0x5a0 kernel/sched/core.c:3890
context_switch kernel/sched/core.c:4051 [inline]
__schedule+0xc0b/0x13e0 kernel/sched/core.c:4806
preempt_schedule_irq+0xaa/0x120 kernel/sched/core.c:5067
irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
irqentry_exit+0x56/0x60 kernel/entry/common.c:395
sysvec_reschedule_ipi+0x69/0x70 arch/x86/kernel/smp.c:225
asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640
RIP: 0010:__vmcs_writel arch/x86/kvm/vmx/vmx_ops.h:176 [inline]
RIP: 0010:vmcs_write32 arch/x86/kvm/vmx/vmx_ops.h:194 [inline]
RIP: 0010:vmx_vcpu_reset+0x290/0xfa0 arch/x86/kvm/vmx/vmx.c:4551
Code: 00 b8 0e 48 00 00 0f 79 05 45 0e a2 04 2e 0f 86 be 08 00 00 e8 91 de 47 00 0f 1f 44 00 00 b8 22 48 00 00 0f 79 05 a8 0d a2 04 <2e> 0f 86 c9 08 00 00 e8 74 de 47 00 0f 1f 44 00 00 b8 0c 08 00 00
RSP: 0018:ffffc90000edf9a0 EFLAGS: 00000202
RAX: 0000000000004822 RBX: ffff88811a42c000 RCX: 0000000000080000
RDX: ffffc90002910000 RSI: 000000000001397d RDI: 000000000001397e
RBP: ffffc90000edfa48 R08: ffffc90000d84d6b R09: 1ffff920001b09ad
R10: dffffc0000000000 R11: fffff520001b09ae R12: 1ffff920001dbf38
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88811a42e770
kvm_vcpu_reset+0x71e/0x8c0 arch/x86/kvm/x86.c:10458
kvm_arch_vcpu_create+0x7fe/0x970 arch/x86/kvm/x86.c:10317
kvm_vm_ioctl_create_vcpu+0x32e/0x750 virt/kvm/kvm_main.c:3246
kvm_vm_ioctl+0x2ae/0xab0 virt/kvm/kvm_main.c:3810
vfs_ioctl fs/ioctl.c:48 [inline]
__do_sys_ioctl fs/ioctl.c:753 [inline]
__se_sys_ioctl+0x121/0x1a0 fs/ioctl.c:739
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f48bce8fe59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f48bb8a8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f48bd109180 RCX: 00007f48bce8fe59
RDX: 0000000000000002 RSI: 000000000000ae41 RDI: 0000000000000009
RBP: 00007f48bcf25e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f48bd109218 R14: 00007f48bd109180 R15: 00007fff60c4c388
================================================================================
----------------
Code disassembly (best guess):
0: 41 89 f6 mov %esi,%r14d
3: 48 89 fb mov %rdi,%rbx
6: e8 5e d1 47 00 call 0x47d169
b: 48 89 df mov %rbx,%rdi
e: 44 89 f6 mov %r14d,%esi
11: 31 d2 xor %edx,%edx
13: e8 51 34 fe ff call 0xfffe3469
18: 48 89 df mov %rbx,%rdi
1b: 44 89 f6 mov %r14d,%esi
1e: e8 96 92 05 00 call 0x592b9
23: b9 d9 01 00 00 mov $0x1d9,%ecx
28: 0f 32 rdmsr
* 2a: 49 89 d6 mov %rdx,%r14 <-- trapping instruction
2d: 49 c1 e6 20 shl $0x20,%r14
31: 49 09 c6 or %rax,%r14
34: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
39: e8 2b d1 47 00 call 0x47d169
3e: 48 rex.W
3f: 81 .byte 0x81