Call Trace:
======================================================
WARNING: possible circular locking dependency detected
5.17.0-rc2-next-20220131 #1 Not tainted
------------------------------------------------------
syz-executor.5/13023 is trying to acquire lock:
ffffffff851f5c98 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x60 kernel/locking/semaphore.c:138
but task is already holding lock:
ffff88800f4c0820 (&ctx->lock){-.-.}-{2:2}, at: __perf_install_in_context+0x12d/0x310 kernel/events/core.c:2822
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&ctx->lock){-.-.}-{2:2}:
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
perf_event_context_sched_out kernel/events/core.c:3539 [inline]
__perf_event_task_sched_out+0x519/0x1950 kernel/events/core.c:3647
perf_event_task_sched_out include/linux/perf_event.h:1236 [inline]
prepare_task_switch kernel/sched/core.c:4797 [inline]
context_switch kernel/sched/core.c:4939 [inline]
__schedule+0xead/0x2190 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
exit_to_user_mode_loop kernel/entry/common.c:163 [inline]
exit_to_user_mode_prepare+0x114/0x1c0 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:300
do_syscall_64+0x48/0x90 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> #2 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x1e/0x30 kernel/sched/core.c:490
raw_spin_rq_lock kernel/sched/sched.h:1318 [inline]
rq_lock kernel/sched/sched.h:1616 [inline]
task_fork_fair+0x63/0x4d0 kernel/sched/fair.c:11184
sched_post_fork+0x343/0x490 kernel/sched/core.c:4463
copy_process+0x5313/0x6cb0 kernel/fork.c:2380
kernel_clone+0xe7/0xa60 kernel/fork.c:2556
kernel_thread+0xb5/0xf0 kernel/fork.c:2608
rest_init+0x24/0x3d0 init/main.c:692
start_kernel+0x484/0x4a5 init/main.c:1141
secondary_startup_64_no_verify+0xd5/0xdb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
try_to_wake_up+0xa5/0x1060 kernel/sched/core.c:4018
up+0x75/0xb0 kernel/locking/semaphore.c:190
__up_console_sem+0x6e/0x80 kernel/printk/printk.c:255
console_unlock+0x53e/0xae0 kernel/printk/printk.c:2730
vprintk_emit+0x198/0x450 kernel/printk/printk.c:2248
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2269
kauditd_printk_skb kernel/audit.c:538 [inline]
kauditd_hold_skb.cold+0x41/0x50 kernel/audit.c:571
kauditd_send_queue kernel/audit.c:734 [inline]
kauditd_thread+0x86b/0x1080 kernel/audit.c:858
kthread+0x2f0/0x3a0 kernel/kthread.c:377
ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295
-> #0 ((console_sem).lock){-.-.}-{2:2}:
check_prev_add kernel/locking/lockdep.c:3063 [inline]
check_prevs_add kernel/locking/lockdep.c:3186 [inline]
validate_chain kernel/locking/lockdep.c:3801 [inline]
__lock_acquire+0x2c2f/0x6120 kernel/locking/lockdep.c:5027
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
down_trylock+0xe/0x60 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238
console_trylock kernel/printk/printk.c:2545 [inline]
console_trylock_spinning kernel/printk/printk.c:1846 [inline]
vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2269
show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195
ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101
fixup_exception+0x1c7/0xc90 arch/x86/mm/extable.c:200
__exc_general_protection arch/x86/kernel/traps.c:601 [inline]
exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562
__wrmsr arch/x86/include/asm/msr.h:103 [inline]
native_write_msr arch/x86/include/asm/msr.h:154 [inline]
wrmsrl arch/x86/include/asm/msr.h:271 [inline]
__x86_pmu_enable_event arch/x86/events/perf_event.h:1128 [inline]
x86_pmu_enable_all+0x132/0x3c0 arch/x86/events/core.c:743
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1237 [inline]
perf_pmu_enable kernel/events/core.c:1233 [inline]
ctx_resched+0x2b0/0x390 kernel/events/core.c:2792
__perf_install_in_context+0x285/0x310 kernel/events/core.c:2859
remote_function kernel/events/core.c:91 [inline]
remote_function+0x125/0x1b0 kernel/events/core.c:71
generic_exec_single+0x203/0x300 kernel/smp.c:518
smp_call_function_single+0x189/0x460 kernel/smp.c:755
task_function_call+0xe5/0x170 kernel/events/core.c:119
perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2963
__do_sys_perf_event_open+0x278d/0x3040 kernel/events/core.c:12494
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Chain exists of:
(console_sem).lock --> &rq->__lock --> &ctx->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ctx->lock);
lock(&rq->__lock);
lock(&ctx->lock);
lock((console_sem).lock);
*** DEADLOCK ***
5 locks held by syz-executor.5/13023:
#0: ffff88801d1785e0 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0x1023/0x3040 kernel/events/core.c:12334
#1: ffff88800f4c08b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11990 [inline]
#1: ffff88800f4c08b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:12050 [inline]
#1: ffff88800f4c08b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x12be/0x3040 kernel/events/core.c:12350
#2: ffff88800f4c2cb0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11991 [inline]
#2: ffff88800f4c2cb0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:12050 [inline]
#2: ffff88800f4c2cb0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x12cb/0x3040 kernel/events/core.c:12350
#3: ffff88806ce3f020 (&cpuctx_lock){-.-.}-{2:2}, at: __perf_install_in_context+0xf4/0x310 kernel/events/core.c:2820
#4: ffff88800f4c0820 (&ctx->lock){-.-.}-{2:2}, at: __perf_install_in_context+0x12d/0x310 kernel/events/core.c:2822
stack backtrace:
CPU: 0 PID: 13023 Comm: syz-executor.5 Not tainted 5.17.0-rc2-next-20220131 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2143
check_prev_add kernel/locking/lockdep.c:3063 [inline]
check_prevs_add kernel/locking/lockdep.c:3186 [inline]
validate_chain kernel/locking/lockdep.c:3801 [inline]
__lock_acquire+0x2c2f/0x6120 kernel/locking/lockdep.c:5027
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
down_trylock+0xe/0x60 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238
console_trylock kernel/printk/printk.c:2545 [inline]
console_trylock_spinning kernel/printk/printk.c:1846 [inline]
vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2269
show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195
ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101
fixup_exception+0x1c7/0xc90 arch/x86/mm/extable.c:200
__exc_general_protection arch/x86/kernel/traps.c:601 [inline]
exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0010:__wrmsr arch/x86/include/asm/msr.h:103 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:154 [inline]
RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:271 [inline]
RIP: 0010:__x86_pmu_enable_event arch/x86/events/perf_event.h:1128 [inline]
RIP: 0010:x86_pmu_enable_all+0x132/0x3c0 arch/x86/events/core.c:743
Code: f7 d7 49 21 c7 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 64 02 00 00 48 8b 9b 70 01 00 00 4c 89 fa 44 89 f8 48 c1 ea 20 89 d9 <0f> 30 0f 1f 44 00 00 e8 e2 41 42 00 e8 dd 41 42 00 8b 1d d3 74 8b
RSP: 0018:ffff888043cb7968 EFLAGS: 00010016
RAX: 0000000000530076 RBX: 00000000c0010200 RCX: 00000000c0010200
RDX: 0000000000000100 RSI: ffffffff8100de26 RDI: ffff888019d42f30
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8100de15 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88806ce21c20 R14: ffff88806ce21e20 R15: 0000010000530076
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1237 [inline]
perf_pmu_enable kernel/events/core.c:1233 [inline]
ctx_resched+0x2b0/0x390 kernel/events/core.c:2792
__perf_install_in_context+0x285/0x310 kernel/events/core.c:2859
remote_function kernel/events/core.c:91 [inline]
remote_function+0x125/0x1b0 kernel/events/core.c:71
generic_exec_single+0x203/0x300 kernel/smp.c:518
smp_call_function_single+0x189/0x460 kernel/smp.c:755
task_function_call+0xe5/0x170 kernel/events/core.c:119
perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2963
__do_sys_perf_event_open+0x278d/0x3040 kernel/events/core.c:12494
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0a9e980b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0a9bef6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f0a9ea93f60 RCX: 00007f0a9e980b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007f0a9e9daf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe34e96f6f R14: 00007f0a9bef6300 R15: 0000000000022000
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1237 [inline]
perf_pmu_enable kernel/events/core.c:1233 [inline]
ctx_resched+0x2b0/0x390 kernel/events/core.c:2792
__perf_install_in_context+0x285/0x310 kernel/events/core.c:2859
remote_function kernel/events/core.c:91 [inline]
remote_function+0x125/0x1b0 kernel/events/core.c:71
generic_exec_single+0x203/0x300 kernel/smp.c:518
smp_call_function_single+0x189/0x460 kernel/smp.c:755
task_function_call+0xe5/0x170 kernel/events/core.c:119
perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2963
__do_sys_perf_event_open+0x278d/0x3040 kernel/events/core.c:12494
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0a9e980b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0a9bef6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f0a9ea93f60 RCX: 00007f0a9e980b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007f0a9e9daf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe34e96f6f R14: 00007f0a9bef6300 R15: 0000000000022000
Call Trace:
x86_pmu_stop+0x149/0x330 arch/x86/events/core.c:1597
x86_pmu_del+0x1be/0x610 arch/x86/events/core.c:1636
event_sched_out+0x2ed/0xaf0 kernel/events/core.c:2356
group_sched_out.part.0+0x2ab/0x360 kernel/events/core.c:2396
group_sched_out kernel/events/core.c:2385 [inline]
ctx_sched_out+0x7db/0xa90 kernel/events/core.c:3339
task_ctx_sched_out kernel/events/core.c:2729 [inline]
perf_event_context_sched_out kernel/events/core.c:3544 [inline]
__perf_event_task_sched_out+0x6ae/0x1950 kernel/events/core.c:3647
perf_event_task_sched_out include/linux/perf_event.h:1236 [inline]
prepare_task_switch kernel/sched/core.c:4797 [inline]
context_switch kernel/sched/core.c:4939 [inline]
__schedule+0xead/0x2190 kernel/sched/core.c:6296
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
__cond_resched+0x13/0x20 kernel/sched/core.c:8175
might_resched include/linux/kernel.h:110 [inline]
__mutex_lock_common kernel/locking/mutex.c:577 [inline]
__mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733
__do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12506
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0a9e980b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0a9bef6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f0a9ea93f60 RCX: 00007f0a9e980b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007f0a9e9daf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe34e96f6f R14: 00007f0a9bef6300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1237 [inline]
perf_pmu_enable kernel/events/core.c:1233 [inline]
perf_event_context_sched_in kernel/events/core.c:3948 [inline]
__perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3986
perf_event_task_sched_in include/linux/perf_event.h:1213 [inline]
finish_task_switch.isra.0+0x45c/0x870 kernel/sched/core.c:4862
context_switch kernel/sched/core.c:4990 [inline]
__schedule+0x88a/0x2190 kernel/sched/core.c:6296
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
__cond_resched+0x13/0x20 kernel/sched/core.c:8175
might_resched include/linux/kernel.h:110 [inline]
__mutex_lock_common kernel/locking/mutex.c:577 [inline]
__mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733
__do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12506
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0a9e980b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0a9bef6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f0a9ea93f60 RCX: 00007f0a9e980b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007f0a9e9daf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe34e96f6f R14: 00007f0a9bef6300 R15: 0000000000022000
Call Trace:
x86_pmu_stop+0x149/0x330 arch/x86/events/core.c:1597
x86_pmu_del+0x1be/0x610 arch/x86/events/core.c:1636
event_sched_out+0x2ed/0xaf0 kernel/events/core.c:2356
group_sched_out.part.0+0x2ab/0x360 kernel/events/core.c:2396
group_sched_out kernel/events/core.c:2385 [inline]
ctx_sched_out+0x7db/0xa90 kernel/events/core.c:3339
task_ctx_sched_out kernel/events/core.c:2729 [inline]
perf_event_context_sched_out kernel/events/core.c:3544 [inline]
__perf_event_task_sched_out+0x6ae/0x1950 kernel/events/core.c:3647
perf_event_task_sched_out include/linux/perf_event.h:1236 [inline]
prepare_task_switch kernel/sched/core.c:4797 [inline]
context_switch kernel/sched/core.c:4939 [inline]
__schedule+0xead/0x2190 kernel/sched/core.c:6296
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
__cond_resched+0x13/0x20 kernel/sched/core.c:8175
might_resched include/linux/kernel.h:110 [inline]
__mutex_lock_common kernel/locking/mutex.c:577 [inline]
__mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733
__do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12506
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0a9e980b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0a9bef6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f0a9ea93f60 RCX: 00007f0a9e980b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007f0a9e9daf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe34e96f6f R14: 00007f0a9bef6300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: f7 d7 not %edi
2: 49 21 c7 and %rax,%r15
5: 48 89 f8 mov %rdi,%rax
8: 48 c1 e8 03 shr $0x3,%rax
c: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
11: 0f 85 64 02 00 00 jne 0x27b
17: 48 8b 9b 70 01 00 00 mov 0x170(%rbx),%rbx
1e: 4c 89 fa mov %r15,%rdx
21: 44 89 f8 mov %r15d,%eax
24: 48 c1 ea 20 shr $0x20,%rdx
28: 89 d9 mov %ebx,%ecx
* 2a: 0f 30 wrmsr <-- trapping instruction
2c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
31: e8 e2 41 42 00 callq 0x424218
36: e8 dd 41 42 00 callq 0x424218
3b: 8b .byte 0x8b
3c: 1d .byte 0x1d
3d: d3 .byte 0xd3
3e: 74 8b je 0xffffffcb