Cannot find add_set index 0 as target
Cannot find add_set index 0 as target
INFO: rcu_preempt self-detected stall on CPU
1-...: (1 GPs behind) idle=58e/140000000000002/0 softirq=11219/11220 fqs=2
(t=10500 jiffies g=1939 c=1938 q=498)
rcu_preempt kthread starved for 10495 jiffies! g1939 c1938 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0
rcu_preempt R running task 29984 8 2 0x80000000
Call Trace:
schedule+0x8d/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x43c/0xe40 kernel/time/timer.c:1746
rcu_gp_kthread+0xb8e/0x1ce0 kernel/rcu/tree.c:2255
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
NMI backtrace for cpu 1
CPU: 1 PID: 7885 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x13e/0x194 lib/dump_stack.c:58
nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x139/0x17e lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
rcu_dump_cpu_stacks+0x16d/0x1b8 kernel/rcu/tree.c:1396
print_cpu_stall kernel/rcu/tree.c:1542 [inline]
check_cpu_stall kernel/rcu/tree.c:1610 [inline]
__rcu_pending kernel/rcu/tree.c:3390 [inline]
rcu_pending kernel/rcu/tree.c:3452 [inline]
rcu_check_callbacks.cold+0x490/0xdaa kernel/rcu/tree.c:2792
update_process_times+0x29/0x60 kernel/time/timer.c:1590
tick_sched_handle+0x7d/0x150 kernel/time/tick-sched.c:165
tick_sched_timer+0x3e/0x120 kernel/time/tick-sched.c:1223
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x25c/0xbb0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:queued_write_lock_slowpath+0x80/0x1d0 kernel/locking/qrwlock.c:130
RSP: 0018:ffff8880aeb07810 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10
RAX: 00000000000000ff RBX: ffffffff8877d730 RCX: 00000000f2643864
RDX: 0000000000000000 RSI: ffff88808b9b4988 RDI: ffffffff8877d730
RBP: ffffffff8877d734 R08: 0000000000004b06 R09: ffffffff8a0820b0
R10: ffff88808b9b4988 R11: ffff88808b9b4040 R12: fffffbfff10efae6
R13: 0000000000000000 R14: 0000000000000001 R15: ffff888092389b40
queued_write_lock include/asm-generic/qrwlock.h:134 [inline]
do_raw_write_lock+0xc2/0x1d0 kernel/locking/spinlock_debug.c:203
neigh_forced_gc net/core/neighbour.c:176 [inline]
neigh_alloc net/core/neighbour.c:315 [inline]
__neigh_create+0xb27/0x1980 net/core/neighbour.c:499
ip6_finish_output2+0xa8e/0x2150 net/ipv6/ip6_output.c:117
ip6_finish_output+0x4d9/0xaf0 net/ipv6/ip6_output.c:154
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip6_output+0x1c9/0x650 net/ipv6/ip6_output.c:171
dst_output include/net/dst.h:462 [inline]
NF_HOOK include/linux/netfilter.h:250 [inline]
ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483
ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677
addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3765
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279
expire_timers kernel/time/timer.c:1318 [inline]
__run_timers kernel/time/timer.c:1636 [inline]
__run_timers kernel/time/timer.c:1604 [inline]
run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649
__do_softirq+0x254/0x9bf kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x15b/0x1a0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:list_empty_careful include/linux/list.h:222 [inline]
RIP: 0010:kvm_check_async_pf_completion+0x261/0x3d0 arch/x86/kvm/../../../virt/kvm/async_pf.c:163
RSP: 0018:ffff8880450ffb98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: ffffed10087e9071 RBX: dffffc0000000000 RCX: ffffc90008290000
RDX: 0000000000040000 RSI: ffffffff81073161 RDI: ffff888043f48100
RBP: ffff888043f48100 R08: ffff888043f4c508 R09: ffffffff810a4cac
R10: ffff8880450ffc00 R11: ffff88808b9b4040 R12: ffff888043f48388
R13: ffff88808bace000 R14: 1ffff110087e9071 R15: ffff88804346b9a8
vcpu_run arch/x86/kvm/x86.c:7399 [inline]
kvm_arch_vcpu_ioctl_run+0x3d4/0xfd0 arch/x86/kvm/x86.c:7546
kvm_vcpu_ioctl+0x3df/0xc70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2661
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007f885d387c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f885d3886d4 RCX: 000000000045c889
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003c0 R14: 00000000004c64e6 R15: 000000000076bf0c
watchdog: BUG: soft lockup - CPU#0 stuck for 122s! [syz-executor.4:7899]
Modules linked in:
irq event stamp: 26617541
hardirqs last enabled at (26617540): [] restore_regs_and_return_to_kernel+0x0/0x2e
hardirqs last disabled at (26617541): [] apic_timer_interrupt+0x8a/0xa0 arch/x86/entry/entry_64.S:792
softirqs last enabled at (20428): [] __do_softirq+0x664/0x9bf kernel/softirq.c:314
softirqs last disabled at (22567): [] invoke_softirq kernel/softirq.c:368 [inline]
softirqs last disabled at (22567): [] irq_exit+0x15b/0x1a0 kernel/softirq.c:409
CPU: 0 PID: 7899 Comm: syz-executor.4 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88808cb303c0 task.stack: ffff888045240000
RIP: 0010:unwind_next_frame+0x3e9/0x17a0 arch/x86/kernel/unwind_orc.c:421
RSP: 0018:ffff8880aea071c8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: ffff8880aea07278 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880aea072b8
RBP: 1ffff11015d40e40 R08: ffffffff88e89ec2 R09: ffff888045247738
R10: ffff8880aea072ad R11: 0000000000058071 R12: ffffffff88e89ebe
R13: ffff8880aea072b0 R14: ffff8880aea072c0 R15: 0000000000000001
FS: 00007f17135d8700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000076c000 CR3: 000000009777b000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__save_stack_trace+0x6b/0xd0 arch/x86/kernel/stacktrace.c:44
save_stack+0x32/0xa0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc mm/kasan/kasan.c:551 [inline]
kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529
slab_post_alloc_hook mm/slab.h:442 [inline]
slab_alloc mm/slab.c:3390 [inline]
kmem_cache_alloc+0x114/0x770 mm/slab.c:3550
kmem_cache_zalloc include/linux/slab.h:651 [inline]
fill_pool lib/debugobjects.c:110 [inline]
__debug_object_init+0x5b7/0x830 lib/debugobjects.c:341
debug_object_init lib/debugobjects.c:393 [inline]
debug_object_activate+0x274/0x450 lib/debugobjects.c:474
debug_rcu_head_queue kernel/rcu/rcu.h:152 [inline]
__call_rcu.constprop.0+0x31/0x7e0 kernel/rcu/tree.c:3050
neigh_destroy+0x377/0x4c0 net/core/neighbour.c:762
neigh_release include/net/neighbour.h:416 [inline]
neigh_cleanup_and_release+0x9e/0xc0 net/core/neighbour.c:108
neigh_del+0x161/0x1f0 net/core/neighbour.c:141
neigh_forced_gc net/core/neighbour.c:190 [inline]
neigh_alloc net/core/neighbour.c:315 [inline]
__neigh_create+0xc51/0x1980 net/core/neighbour.c:499
ip6_finish_output2+0xa8e/0x2150 net/ipv6/ip6_output.c:117
ip6_finish_output+0x4d9/0xaf0 net/ipv6/ip6_output.c:154
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip6_output+0x1c9/0x650 net/ipv6/ip6_output.c:171
dst_output include/net/dst.h:462 [inline]
NF_HOOK include/linux/netfilter.h:250 [inline]
ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483
ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677
addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3765
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279
expire_timers kernel/time/timer.c:1318 [inline]
__run_timers kernel/time/timer.c:1636 [inline]
__run_timers kernel/time/timer.c:1604 [inline]
run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649
__do_softirq+0x254/0x9bf kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x15b/0x1a0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:200
RSP: 0018:ffff888045247468 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff0fa2cd3 RBX: ffff88808cb303c0 RCX: 1ffff1101196618c
RDX: dffffc0000000000 RSI: ffff88808cb30c68 RDI: ffff88808cb30c3c
RBP: ffff8880aea2b540 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880aea2b540
R13: ffff888082dbc2c0 R14: 0000000000000000 R15: ffff8880aea2be90
finish_lock_switch kernel/sched/sched.h:1346 [inline]
finish_task_switch+0x178/0x620 kernel/sched/core.c:2675
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x7c0/0x1ca0 kernel/sched/core.c:3384
preempt_schedule_common+0x4a/0xc0 kernel/sched/core.c:3508
___preempt_schedule+0x16/0x18
unwind_next_frame+0xbdf/0x17a0 arch/x86/kernel/unwind_orc.c:498
__save_stack_trace+0x6b/0xd0 arch/x86/kernel/stacktrace.c:44
save_stack+0x32/0xa0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc mm/kasan/kasan.c:551 [inline]
kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529
slab_post_alloc_hook mm/slab.h:442 [inline]
slab_alloc mm/slab.c:3390 [inline]
kmem_cache_alloc+0x114/0x770 mm/slab.c:3550
kmem_cache_zalloc include/linux/slab.h:651 [inline]
mmu_topup_memory_cache arch/x86/kvm/mmu.c:946 [inline]
mmu_topup_memory_cache arch/x86/kvm/mmu.c:938 [inline]
mmu_topup_memory_caches+0x83/0x300 arch/x86/kvm/mmu.c:992
kvm_mmu_load+0x1e/0xd00 arch/x86/kvm/mmu.c:4780
kvm_mmu_reload arch/x86/kvm/mmu.h:86 [inline]
vcpu_enter_guest+0x2eb9/0x5240 arch/x86/kvm/x86.c:7182
vcpu_run arch/x86/kvm/x86.c:7379 [inline]
kvm_arch_vcpu_ioctl_run+0x2fe/0xfd0 arch/x86/kvm/x86.c:7546
kvm_vcpu_ioctl+0x3df/0xc70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2661
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007f17135d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f17135d86d4 RCX: 000000000045c889
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003c0 R14: 00000000004c64e6 R15: 000000000076bf0c
Code: 10 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 69 10 00 00 49 0f bf 04 24 4c 01 c8 48 89 44 24 58 41 0f b6 44 24 05 <83> e0 03 3c 01 0f 84 45 09 00 00 3c 02 0f 84 e8 07 00 00 84 c0
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7885 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88808b9b4040 task.stack: ffff8880450f8000
RIP: 0010:perf_prepare_sample+0x2/0x12f0 kernel/events/core.c:6137
RSP: 0018:ffff8880aeb07260 EFLAGS: 00000006
RAX: ffff88808b9b4040 RBX: 1ffff11015d60e4e RCX: ffff8880aeb07768
RDX: ffff88809ac4ebc0 RSI: ffff8880aeb073c0 RDI: ffff8880aeb07290
RBP: ffff8880aeb073c0 R08: 0000000000000000 R09: 00000000000a6012
R10: ffff88808b9b49b0 R11: ffff88808b9b4040 R12: ffff88809ac4ebc0
R13: ffff8880aeb073c0 R14: ffff8880aeb07768 R15: ffff8880aeb07290
FS: 00007f885d388700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 0000000090aab000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__perf_event_output kernel/events/core.c:6270 [inline]
perf_event_output_forward+0xc9/0x1f0 kernel/events/core.c:6288
__perf_event_overflow+0x113/0x310 kernel/events/core.c:7526
perf_swevent_hrtimer+0x220/0x350 kernel/events/core.c:8736
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x25c/0xbb0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:queued_write_lock_slowpath+0x80/0x1d0 kernel/locking/qrwlock.c:130
RSP: 0018:ffff8880aeb07810 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10
RAX: 00000000000000ff RBX: ffffffff8877d730 RCX: 00000000f2643864
RDX: 0000000000000000 RSI: ffff88808b9b4988 RDI: ffffffff8877d730
RBP: ffffffff8877d734 R08: 0000000000004b06 R09: ffffffff8a0820b0
R10: ffff88808b9b4988 R11: ffff88808b9b4040 R12: fffffbfff10efae6
R13: 0000000000000000 R14: 0000000000000001 R15: ffff888092389b40
queued_write_lock include/asm-generic/qrwlock.h:134 [inline]
do_raw_write_lock+0xc2/0x1d0 kernel/locking/spinlock_debug.c:203
neigh_forced_gc net/core/neighbour.c:176 [inline]
neigh_alloc net/core/neighbour.c:315 [inline]
__neigh_create+0xb27/0x1980 net/core/neighbour.c:499
ip6_finish_output2+0xa8e/0x2150 net/ipv6/ip6_output.c:117
ip6_finish_output+0x4d9/0xaf0 net/ipv6/ip6_output.c:154
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip6_output+0x1c9/0x650 net/ipv6/ip6_output.c:171
dst_output include/net/dst.h:462 [inline]
NF_HOOK include/linux/netfilter.h:250 [inline]
ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483
ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677
addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3765
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279
expire_timers kernel/time/timer.c:1318 [inline]
__run_timers kernel/time/timer.c:1636 [inline]
__run_timers kernel/time/timer.c:1604 [inline]
run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649
__do_softirq+0x254/0x9bf kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x15b/0x1a0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:list_empty_careful include/linux/list.h:222 [inline]
RIP: 0010:kvm_check_async_pf_completion+0x261/0x3d0 arch/x86/kvm/../../../virt/kvm/async_pf.c:163
RSP: 0018:ffff8880450ffb98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: ffffed10087e9071 RBX: dffffc0000000000 RCX: ffffc90008290000
RDX: 0000000000040000 RSI: ffffffff81073161 RDI: ffff888043f48100
RBP: ffff888043f48100 R08: ffff888043f4c508 R09: ffffffff810a4cac
R10: ffff8880450ffc00 R11: ffff88808b9b4040 R12: ffff888043f48388
R13: ffff88808bace000 R14: 1ffff110087e9071 R15: ffff88804346b9a8
vcpu_run arch/x86/kvm/x86.c:7399 [inline]
kvm_arch_vcpu_ioctl_run+0x3d4/0xfd0 arch/x86/kvm/x86.c:7546
kvm_vcpu_ioctl+0x3df/0xc70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2661
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007f885d387c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f885d3886d4 RCX: 000000000045c889
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003c0 R14: 00000000004c64e6 R15: 000000000076bf0c
Code: de 18 00 e9 18 f6 ff ff e8 dc dd 18 00 e9 a5 f5 ff ff e8 d2 dd 18 00 e9 95 f1 ff ff 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 41 57 <41> 56 41 55 49 bd 00 00 00 00 00 fc ff df 41 54 49 89 d4 55 48