FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 1
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.3.22/4468 is trying to acquire lock:
ffffffff8c91f2e0 (console_owner){-...}-{0:0}, at: console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
ffffffff8c91f2e0 (console_owner){-...}-{0:0}, at: console_emit_next_record+0x82d/0xc90 kernel/printk/printk.c:2774
but task is already holding lock:
ffff8880b8e3aad8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xa5/0x140 kernel/sched/core.c:545
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x2e/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
rq_lock kernel/sched/sched.h:1645 [inline]
task_fork_fair+0x5c/0x350 kernel/sched/fair.c:11901
sched_cgroup_fork+0x32c/0x3c0 kernel/sched/core.c:4685
copy_process+0x24b8/0x4020 kernel/fork.c:2459
kernel_clone+0x225/0x8b0 kernel/fork.c:2757
user_mode_thread+0xda/0x130 kernel/fork.c:2833
rest_init+0x23/0x300 init/main.c:710
start_kernel+0x0/0x539 init/main.c:905
start_kernel+0x490/0x539 init/main.c:1152
secondary_startup_64_no_verify+0xcf/0xdb
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
try_to_wake_up+0x5c/0x1080 kernel/sched/core.c:4111
__wake_up_common+0x2a4/0x4e0 kernel/sched/wait.c:107
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x10e/0x190 kernel/sched/wait.c:160
tty_port_default_wakeup+0x9e/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x516/0x6d0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x298/0xa30 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x87/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
unwind_next_frame+0x1322/0x20b0 arch/x86/kernel/unwind_orc.c:552
arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122
kasan_save_stack+0x3a/0x60 mm/kasan/common.c:45
__kasan_record_aux_stack+0xb2/0xc0 mm/kasan/generic.c:486
call_rcu+0x154/0x980 kernel/rcu/tree.c:2849
__dentry_kill+0x4ef/0x650 fs/dcache.c:625
dentry_kill+0xb8/0x290 fs/dcache.c:-1
dput+0xfa/0x1d0 fs/dcache.c:918
handle_mounts fs/namei.c:1559 [inline]
step_into+0xa12/0xf10 fs/namei.c:1844
lookup_last fs/namei.c:2463 [inline]
path_lookupat+0x169/0x440 fs/namei.c:2487
filename_lookup+0x1f0/0x500 fs/namei.c:2516
vfs_statx+0x109/0x650 fs/stat.c:229
vfs_fstatat fs/stat.c:267 [inline]
__do_sys_newfstatat fs/stat.c:437 [inline]
__se_sys_newfstatat fs/stat.c:431 [inline]
__x64_sys_newfstatat+0x155/0x1e0 fs/stat.c:431
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #2 (&tty->write_wait){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0xf4/0x190 kernel/sched/wait.c:160
tty_port_default_wakeup+0x9e/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x629/0x830 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x516/0x6d0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xb4/0x1a0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0x9b/0x1c0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x298/0xa30 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x87/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x243/0xb20 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:233 [inline]
__common_interrupt+0xd7/0x1e0 arch/x86/kernel/irq.c:252
common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
default_idle+0xb/0x10 arch/x86/kernel/process.c:741
default_idle_call+0x84/0xc0 kernel/sched/idle.c:109
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x1fc/0x570 kernel/sched/idle.c:303
cpu_startup_entry+0x3f/0x60 kernel/sched/idle.c:401
start_secondary+0xe4/0xf0 arch/x86/kernel/smpboot.c:281
secondary_startup_64_no_verify+0xcf/0xdb
-> #1 (&port_lock_key){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
serial8250_console_write+0x169/0x17a0 drivers/tty/serial/8250/8250_port.c:3432
call_console_driver kernel/printk/printk.c:1977 [inline]
console_emit_next_record+0x947/0xc90 kernel/printk/printk.c:2777
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
register_console+0x6c6/0x9c0 kernel/printk/printk.c:3269
univ8250_console_init+0x41/0x43 drivers/tty/serial/8250/8250_core.c:687
console_init+0x1bc/0x78e kernel/printk/printk.c:3359
start_kernel+0x303/0x539 init/main.c:1088
secondary_startup_64_no_verify+0xcf/0xdb
-> #0 (console_owner){-...}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x2cf8/0x7c50 kernel/locking/lockdep.c:5049
lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x84c/0xc90 kernel/printk/printk.c:2774
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x37a/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x350 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6d/0x140 mm/maccess.c:186
bpf_trace_copy_string kernel/bpf/helpers.c:746 [inline]
bpf_bprintf_prepare+0xba0/0x13d0 kernel/bpf/helpers.c:971
____bpf_trace_printk kernel/trace/bpf_trace.c:384 [inline]
bpf_trace_printk+0xd8/0x190 kernel/trace/bpf_trace.c:374
bpf_prog_7c77c7e0f6645ad8+0x35/0x37
bpf_dispatcher_nop_func include/linux/bpf.h:1012 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline]
bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324
trace_contention_begin+0x142/0x190 include/trace/events/lock.h:95
__pv_queued_spin_lock_slowpath+0xdc/0x9c0 kernel/locking/qspinlock.c:405
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x217/0x280 kernel/locking/spinlock_debug.c:115
raw_spin_rq_lock_nested+0xa5/0x140 kernel/sched/core.c:545
raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
rq_lock kernel/sched/sched.h:1645 [inline]
__schedule+0x2ed/0x40b0 kernel/sched/core.c:6477
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
vfs_write+0x2c7/0x960 fs/read_write.c:582
ksys_write+0x143/0x240 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
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 ***
5 locks held by syz.3.22/4468:
#0: ffff88807d5405e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x2ae/0x360 fs/file.c:1038
#1: ffff888072a04460 (sb_writers#3){.+.+}-{0:0}, at: vfs_write+0x256/0x960 fs/read_write.c:580
#2: ffff8880b8e3aad8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xa5/0x140 kernel/sched/core.c:545
#3: ffffffff8c92b120 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#3: ffffffff8c92b120 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#3: ffffffff8c92b120 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline]
#3: ffffffff8c92b120 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0xda/0x3b0 kernel/trace/bpf_trace.c:2324
#4: ffffffff8c91f3c0 (console_lock){+.+.}-{0:0}, at: _printk+0xcc/0x110 kernel/printk/printk.c:2328
stack backtrace:
CPU: 0 PID: 4468 Comm: syz.3.22 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
check_noncircular+0x274/0x310 kernel/locking/lockdep.c:2170
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain kernel/locking/lockdep.c:3825 [inline]
__lock_acquire+0x2cf8/0x7c50 kernel/locking/lockdep.c:5049
lock_acquire+0x1b4/0x490 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x84c/0xc90 kernel/printk/printk.c:2774
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x489/0x680 kernel/printk/printk.c:2303
_printk+0xcc/0x110 kernel/printk/printk.c:2328
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x37a/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x350 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6d/0x140 mm/maccess.c:186
bpf_trace_copy_string kernel/bpf/helpers.c:746 [inline]
bpf_bprintf_prepare+0xba0/0x13d0 kernel/bpf/helpers.c:971
____bpf_trace_printk kernel/trace/bpf_trace.c:384 [inline]
bpf_trace_printk+0xd8/0x190 kernel/trace/bpf_trace.c:374
bpf_prog_7c77c7e0f6645ad8+0x35/0x37
bpf_dispatcher_nop_func include/linux/bpf.h:1012 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline]
bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324
trace_contention_begin+0x142/0x190 include/trace/events/lock.h:95
__pv_queued_spin_lock_slowpath+0xdc/0x9c0 kernel/locking/qspinlock.c:405
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x217/0x280 kernel/locking/spinlock_debug.c:115
raw_spin_rq_lock_nested+0xa5/0x140 kernel/sched/core.c:545
raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
rq_lock kernel/sched/sched.h:1645 [inline]
__schedule+0x2ed/0x40b0 kernel/sched/core.c:6477
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:vfs_write+0x2c7/0x960 fs/read_write.c:-1
Code: bf 4e f2 ff 4d 8b 6d 00 4d 85 ed 74 27 e8 61 1d a2 ff 48 8b 7c 24 28 48 8b 74 24 18 4c 89 f2 48 8b 4c 24 10 41 ff d5 49 89 c5 <4c> 8b 74 24 30 e9 f1 01 00 00 48 83 c3 28 48 89 d8 48 c1 e8 03 42
RSP: 0018:ffffc9000489fd00 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffffff8a7b98c0 RCX: 5b481cdc2411e400
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: ffffc9000489fe50 R08: dffffc0000000000 R09: ffffed10055ccb2e
R10: ffffed10055ccb2e R11: 1ffff110055ccb2d R12: 1ffff92000913fa8
R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000
ksys_write+0x143/0x240 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6923f8e1ff
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:00007f6924e79030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6923f8e1ff
RDX: 0000000000000001 RSI: 00007f6924e79090 RDI: 0000000000000007
RBP: 00007f6924e79090 R08: 0000000000000000 R09: 00007f6924e78df7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007f69241e6128 R14: 00007f69241e6090 R15: 00007ffc80012408
CPU: 0 PID: 4468 Comm: syz.3.22 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
fail_dump lib/fault-inject.c:52 [inline]
should_fail_ex+0x399/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x350 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6d/0x140 mm/maccess.c:186
bpf_trace_copy_string kernel/bpf/helpers.c:746 [inline]
bpf_bprintf_prepare+0xba0/0x13d0 kernel/bpf/helpers.c:971
____bpf_trace_printk kernel/trace/bpf_trace.c:384 [inline]
bpf_trace_printk+0xd8/0x190 kernel/trace/bpf_trace.c:374
bpf_prog_7c77c7e0f6645ad8+0x35/0x37
bpf_dispatcher_nop_func include/linux/bpf.h:1012 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2285 [inline]
bpf_trace_run2+0x1cd/0x3b0 kernel/trace/bpf_trace.c:2324
trace_contention_begin+0x142/0x190 include/trace/events/lock.h:95
__pv_queued_spin_lock_slowpath+0xdc/0x9c0 kernel/locking/qspinlock.c:405
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x217/0x280 kernel/locking/spinlock_debug.c:115
raw_spin_rq_lock_nested+0xa5/0x140 kernel/sched/core.c:545
raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
rq_lock kernel/sched/sched.h:1645 [inline]
__schedule+0x2ed/0x40b0 kernel/sched/core.c:6477
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:vfs_write+0x2c7/0x960 fs/read_write.c:-1
Code: bf 4e f2 ff 4d 8b 6d 00 4d 85 ed 74 27 e8 61 1d a2 ff 48 8b 7c 24 28 48 8b 74 24 18 4c 89 f2 48 8b 4c 24 10 41 ff d5 49 89 c5 <4c> 8b 74 24 30 e9 f1 01 00 00 48 83 c3 28 48 89 d8 48 c1 e8 03 42
RSP: 0018:ffffc9000489fd00 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffffff8a7b98c0 RCX: 5b481cdc2411e400
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: ffffc9000489fe50 R08: dffffc0000000000 R09: ffffed10055ccb2e
R10: ffffed10055ccb2e R11: 1ffff110055ccb2d R12: 1ffff92000913fa8
R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000
ksys_write+0x143/0x240 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6923f8e1ff
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:00007f6924e79030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6923f8e1ff
RDX: 0000000000000001 RSI: 00007f6924e79090 RDI: 0000000000000007
RBP: 00007f6924e79090 R08: 0000000000000000 R09: 00007f6924e78df7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007f69241e6128 R14: 00007f69241e6090 R15: 00007ffc80012408
----------------
Code disassembly (best guess):
0: bf 4e f2 ff 4d mov $0x4dfff24e,%edi
5: 8b 6d 00 mov 0x0(%rbp),%ebp
8: 4d 85 ed test %r13,%r13
b: 74 27 je 0x34
d: e8 61 1d a2 ff call 0xffa21d73
12: 48 8b 7c 24 28 mov 0x28(%rsp),%rdi
17: 48 8b 74 24 18 mov 0x18(%rsp),%rsi
1c: 4c 89 f2 mov %r14,%rdx
1f: 48 8b 4c 24 10 mov 0x10(%rsp),%rcx
24: 41 ff d5 call *%r13
27: 49 89 c5 mov %rax,%r13
* 2a: 4c 8b 74 24 30 mov 0x30(%rsp),%r14 <-- trapping instruction
2f: e9 f1 01 00 00 jmp 0x225
34: 48 83 c3 28 add $0x28,%rbx
38: 48 89 d8 mov %rbx,%rax
3b: 48 c1 e8 03 shr $0x3,%rax
3f: 42 rex.X