FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
6.16.0-rc2-syzkaller-00318-g739a6c93cc75 #0 Not tainted
------------------------------------------------------
syz.5.8840/4477 is trying to acquire lock:
ffffffff8e132fc0 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:336 [inline]
ffffffff8e132fc0 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:346 [inline]
ffffffff8e132fc0 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:288 [inline]
ffffffff8e132fc0 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x13a/0xc40 kernel/printk/printk.c:3203
but task is already holding lock:
ffff8880b8639e18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xad/0x140 kernel/sched/core.c:614
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&rq->__lock){-.-.}-{2:2}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
_raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:606
raw_spin_rq_lock kernel/sched/sched.h:1532 [inline]
task_rq_lock+0xbc/0x470 kernel/sched/core.c:708
cgroup_move_task+0x9a/0x590 kernel/sched/psi.c:1161
css_set_move_task+0x658/0x9e0 kernel/cgroup/cgroup.c:918
cgroup_post_fork+0x1ef/0x790 kernel/cgroup/cgroup.c:6754
copy_process+0x3862/0x3c00 kernel/fork.c:2413
kernel_clone+0x224/0x7f0 kernel/fork.c:2599
user_mode_thread+0xdd/0x140 kernel/fork.c:2677
rest_init+0x23/0x300 init/main.c:710
start_kernel+0x47d/0x500 init/main.c:1102
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288
common_startup_64+0x13e/0x147
-> #3 (&p->pi_lock){-.-.}-{2:2}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:557 [inline]
try_to_wake_up+0x6e/0x1290 kernel/sched/core.c:4226
__wake_up_common kernel/sched/wait.c:89 [inline]
__wake_up_common_lock+0x137/0x1f0 kernel/sched/wait.c:106
tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x72e/0x970 drivers/tty/serial/8250/8250_port.c:1838
serial8250_handle_irq+0x633/0xbb0 drivers/tty/serial/8250/8250_port.c:1946
serial8250_default_handle_irq+0xbf/0x1b0 drivers/tty/serial/8250/8250_port.c:1966
serial8250_interrupt+0xa2/0x1d0 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x28c/0x980 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x267/0x9c0 kernel/irq/chip.c:789
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:254 [inline]
call_irq_handler arch/x86/kernel/irq.c:266 [inline]
__common_interrupt+0x143/0x250 arch/x86/kernel/irq.c:292
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:285
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:81
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:749
default_idle_call+0x74/0xb0 kernel/sched/idle.c:117
cpuidle_idle_call kernel/sched/idle.c:185 [inline]
do_idle+0x1e8/0x510 kernel/sched/idle.c:325
cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:423
rest_init+0x2de/0x300 init/main.c:745
start_kernel+0x47d/0x500 init/main.c:1102
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288
common_startup_64+0x13e/0x147
-> #2 (&tty->write_wait){-.-.}-{3:3}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
__wake_up_common_lock+0x2f/0x1f0 kernel/sched/wait.c:105
tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x72e/0x970 drivers/tty/serial/8250/8250_port.c:1838
serial8250_handle_irq+0x633/0xbb0 drivers/tty/serial/8250/8250_port.c:1946
serial8250_default_handle_irq+0xbf/0x1b0 drivers/tty/serial/8250/8250_port.c:1966
serial8250_interrupt+0xa2/0x1d0 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x28c/0x980 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x267/0x9c0 kernel/irq/chip.c:789
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:254 [inline]
call_irq_handler arch/x86/kernel/irq.c:266 [inline]
__common_interrupt+0x143/0x250 arch/x86/kernel/irq.c:292
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:285
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:81
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:749
default_idle_call+0x74/0xb0 kernel/sched/idle.c:117
cpuidle_idle_call kernel/sched/idle.c:185 [inline]
do_idle+0x1e8/0x510 kernel/sched/idle.c:325
cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:423
rest_init+0x2de/0x300 init/main.c:745
start_kernel+0x47d/0x500 init/main.c:1102
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288
common_startup_64+0x13e/0x147
-> #1 (&port_lock_key){-.-.}-{3:3}:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
serial8250_console_write+0x17e/0x1ba0 drivers/tty/serial/8250/8250_port.c:3415
console_emit_next_record kernel/printk/printk.c:3138 [inline]
console_flush_all+0x728/0xc40 kernel/printk/printk.c:3226
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xc4/0x270 kernel/printk/printk.c:3325
vprintk_emit+0x5b7/0x7a0 kernel/printk/printk.c:2450
_printk+0xcf/0x120 kernel/printk/printk.c:2475
register_console+0xa8b/0xf90 kernel/printk/printk.c:4125
univ8250_console_init+0x52/0x90 drivers/tty/serial/8250/8250_core.c:513
console_init+0x1a1/0x670 kernel/printk/printk.c:4323
start_kernel+0x2cc/0x500 init/main.c:1036
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288
common_startup_64+0x13e/0x147
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3168 [inline]
check_prevs_add kernel/locking/lockdep.c:3287 [inline]
validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
__lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
console_lock_spinning_enable kernel/printk/printk.c:1924 [inline]
console_emit_next_record kernel/printk/printk.c:3132 [inline]
console_flush_all+0x6d2/0xc40 kernel/printk/printk.c:3226
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xc4/0x270 kernel/printk/printk.c:3325
vprintk_emit+0x5b7/0x7a0 kernel/printk/printk.c:2450
_printk+0xcf/0x120 kernel/printk/printk.c:2475
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x3f5/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x290 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x72/0x150 mm/maccess.c:193
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:215 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:224 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:221
bpf_prog_bc7c5c6b9645592f+0x3e/0x44
bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run include/linux/filter.h:725 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2258 [inline]
bpf_trace_run4+0x28b/0x4a0 kernel/trace/bpf_trace.c:2301
__bpf_trace_sched_switch+0x17a/0x1e0 include/trace/events/sched.h:220
__traceiter_sched_switch+0x9a/0xd0 include/trace/events/sched.h:220
__do_trace_sched_switch include/trace/events/sched.h:220 [inline]
trace_sched_switch include/trace/events/sched.h:220 [inline]
__schedule+0x22d4/0x4cb0 kernel/sched/core.c:6782
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7108
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:400 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
do_syscall_64+0x11d/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
console_owner --> &p->pi_lock --> &rq->__lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&rq->__lock);
lock(&p->pi_lock);
lock(&rq->__lock);
lock(console_owner);
*** DEADLOCK ***
4 locks held by syz.5.8840/4477:
#0: ffff8880b8639e18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xad/0x140 kernel/sched/core.c:614
#1: ffffffff8e13eda0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#1: ffffffff8e13eda0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#1: ffffffff8e13eda0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2257 [inline]
#1: ffffffff8e13eda0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run4+0x19c/0x4a0 kernel/trace/bpf_trace.c:2301
#2: ffffffff8e133020 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x120 kernel/printk/printk.c:2475
#3: ffffffff8e01a8f0 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:336 [inline]
#3: ffffffff8e01a8f0 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:346 [inline]
#3: ffffffff8e01a8f0 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:288 [inline]
#3: ffffffff8e01a8f0 (console_srcu){....}-{0:0}, at: console_flush_all+0x13a/0xc40 kernel/printk/printk.c:3203
stack backtrace:
CPU: 1 UID: 0 PID: 4477 Comm: syz.5.8840 Not tainted 6.16.0-rc2-syzkaller-00318-g739a6c93cc75 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2046
check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2178
check_prev_add kernel/locking/lockdep.c:3168 [inline]
check_prevs_add kernel/locking/lockdep.c:3287 [inline]
validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3911
__lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5240
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
console_lock_spinning_enable kernel/printk/printk.c:1924 [inline]
console_emit_next_record kernel/printk/printk.c:3132 [inline]
console_flush_all+0x6d2/0xc40 kernel/printk/printk.c:3226
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xc4/0x270 kernel/printk/printk.c:3325
vprintk_emit+0x5b7/0x7a0 kernel/printk/printk.c:2450
_printk+0xcf/0x120 kernel/printk/printk.c:2475
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x3f5/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x290 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x72/0x150 mm/maccess.c:193
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:215 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:224 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:221
bpf_prog_bc7c5c6b9645592f+0x3e/0x44
bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run include/linux/filter.h:725 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2258 [inline]
bpf_trace_run4+0x28b/0x4a0 kernel/trace/bpf_trace.c:2301
__bpf_trace_sched_switch+0x17a/0x1e0 include/trace/events/sched.h:220
__traceiter_sched_switch+0x9a/0xd0 include/trace/events/sched.h:220
__do_trace_sched_switch include/trace/events/sched.h:220 [inline]
trace_sched_switch include/trace/events/sched.h:220 [inline]
__schedule+0x22d4/0x4cb0 kernel/sched/core.c:6782
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7108
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:146 [inline]
RIP: 0010:syscall_exit_to_user_mode_work include/linux/entry-common.h:400 [inline]
RIP: 0010:syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
RIP: 0010:do_syscall_64+0x11d/0x3b0 arch/x86/entry/syscall_64.c:100
Code: 89 f7 e8 16 4f d4 f5 49 89 46 50 90 90 4d 8b 67 08 4c 89 f7 e8 d4 70 d4 f5 0f 1f 44 00 00 48 c7 43 08 00 00 00 00 9c 8f 43 08 43 08 00 02 00 00 0f 84 53 01 00 00 41 f6 c4 76 0f 85 6e 01 00
RSP: 0018:ffffc9000b397ef0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc9000b397ef0 RCX: ffff888035839e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: ffffc9000b397f58
RBP: ffffc9000b397f48 R08: ffff88802977bf27 R09: 1ffff110052ef7e4
R10: dffffc0000000000 R11: ffffed10052ef7e5 R12: 0000000000000000
R13: 0000000000000001 R14: ffffc9000b397f58 R15: ffff888035839e00
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f841a78d3df
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007f841b629030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: 0000000000000001 RBX: 000000000000000a RCX: 00007f841a78d3df
RDX: 0000000000000001 RSI: 00007f841b629090 RDI: 000000000000000a
RBP: 00007f841b629090 R08: 0000000000000000 R09: 00007f841b628df7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f841a9b6160 R15: 00007ffc3cab7fe8
CPU: 1 UID: 0 PID: 4477 Comm: syz.5.8840 Not tainted 6.16.0-rc2-syzkaller-00318-g739a6c93cc75 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
fail_dump lib/fault-inject.c:73 [inline]
should_fail_ex+0x414/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x290 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x72/0x150 mm/maccess.c:193
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:215 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:224 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:221
bpf_prog_bc7c5c6b9645592f+0x3e/0x44
bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run include/linux/filter.h:725 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2258 [inline]
bpf_trace_run4+0x28b/0x4a0 kernel/trace/bpf_trace.c:2301
__bpf_trace_sched_switch+0x17a/0x1e0 include/trace/events/sched.h:220
__traceiter_sched_switch+0x9a/0xd0 include/trace/events/sched.h:220
__do_trace_sched_switch include/trace/events/sched.h:220 [inline]
trace_sched_switch include/trace/events/sched.h:220 [inline]
__schedule+0x22d4/0x4cb0 kernel/sched/core.c:6782
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7108
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:146 [inline]
RIP: 0010:syscall_exit_to_user_mode_work include/linux/entry-common.h:400 [inline]
RIP: 0010:syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
RIP: 0010:do_syscall_64+0x11d/0x3b0 arch/x86/entry/syscall_64.c:100
Code: 89 f7 e8 16 4f d4 f5 49 89 46 50 90 90 4d 8b 67 08 4c 89 f7 e8 d4 70 d4 f5 0f 1f 44 00 00 48 c7 43 08 00 00 00 00 9c 8f 43 08 43 08 00 02 00 00 0f 84 53 01 00 00 41 f6 c4 76 0f 85 6e 01 00
RSP: 0018:ffffc9000b397ef0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc9000b397ef0 RCX: ffff888035839e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: ffffc9000b397f58
RBP: ffffc9000b397f48 R08: ffff88802977bf27 R09: 1ffff110052ef7e4
R10: dffffc0000000000 R11: ffffed10052ef7e5 R12: 0000000000000000
R13: 0000000000000001 R14: ffffc9000b397f58 R15: ffff888035839e00
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f841a78d3df
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007f841b629030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: 0000000000000001 RBX: 000000000000000a RCX: 00007f841a78d3df
RDX: 0000000000000001 RSI: 00007f841b629090 RDI: 000000000000000a
RBP: 00007f841b629090 R08: 0000000000000000 R09: 00007f841b628df7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f841a9b6160 R15: 00007ffc3cab7fe8
----------------
Code disassembly (best guess):
0: 89 f7 mov %esi,%edi
2: e8 16 4f d4 f5 call 0xf5d44f1d
7: 49 89 46 50 mov %rax,0x50(%r14)
b: 90 nop
c: 90 nop
d: 4d 8b 67 08 mov 0x8(%r15),%r12
11: 4c 89 f7 mov %r14,%rdi
14: e8 d4 70 d4 f5 call 0xf5d470ed
19: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
1e: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx)
25: 00
26: 9c pushf
27: 8f 43 08 pop 0x8(%rbx)
* 2a: f7 43 08 00 02 00 00 testl $0x200,0x8(%rbx) <-- trapping instruction
31: 0f 84 53 01 00 00 je 0x18a
37: 41 f6 c4 76 test $0x76,%r12b
3b: 0f .byte 0xf
3c: 85 6e 01 test %ebp,0x1(%rsi)