FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.7.6090/24294 is trying to acquire lock:
ffffffff8df35b20 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:336 [inline]
ffffffff8df35b20 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:409 [inline]
ffffffff8df35b20 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:289 [inline]
ffffffff8df35b20 (console_owner){-.-.}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3192 [inline]
ffffffff8df35b20 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x131/0xb60 kernel/printk/printk.c:3289
but task is already holding lock:
ffff8880b893a7d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:639
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+0x32/0x50 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:639
raw_spin_rq_lock kernel/sched/sched.h:1558 [inline]
task_rq_lock+0xbc/0x470 kernel/sched/core.c:739
cgroup_move_task+0x92/0x2a0 kernel/sched/psi.c:1170
css_set_move_task+0x658/0x9e0 kernel/cgroup/cgroup.c:951
cgroup_post_fork+0x1ef/0x7a0 kernel/cgroup/cgroup.c:6912
copy_process+0x3614/0x3950 kernel/fork.c:2422
kernel_clone+0x21e/0x820 kernel/fork.c:2608
user_mode_thread+0xdd/0x140 kernel/fork.c:2684
rest_init+0x23/0x300 init/main.c:722
start_kernel+0x3ae/0x410 init/main.c:1111
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x147
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__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+0x67/0x12b0 kernel/sched/core.c:4106
__wake_up_common kernel/sched/wait.c:108 [inline]
__wake_up_common_lock+0x137/0x1f0 kernel/sched/wait.c:125
tty_port_default_wakeup+0xfb/0x170 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x72e/0x970 drivers/tty/serial/8250/8250_port.c:1719
serial8250_handle_irq+0x633/0xbb0 drivers/tty/serial/8250/8250_port.c:1827
serial8250_default_handle_irq+0xbf/0x200 drivers/tty/serial/8250/8250_port.c:1846
serial8250_interrupt+0x8d/0x180 drivers/tty/serial/8250/8250_core.c:82
__handle_irq_event_percpu+0x285/0xa60 kernel/irq/handle.c:211
handle_irq_event_percpu kernel/irq/handle.c:248 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:265
handle_edge_irq+0x23b/0xa10 kernel/irq/chip.c:855
generic_handle_irq_desc include/linux/irqdesc.h:172 [inline]
handle_irq arch/x86/kernel/irq.c:255 [inline]
call_irq_handler arch/x86/kernel/irq.c:-1 [inline]
__common_interrupt+0x141/0x1f0 arch/x86/kernel/irq.c:326
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:319
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194
__debug_check_no_obj_freed lib/debugobjects.c:1108 [inline]
debug_check_no_obj_freed+0x52e/0x550 lib/debugobjects.c:1129
slab_free_hook mm/slub.c:2471 [inline]
slab_free mm/slub.c:6663 [inline]
kfree+0x13b/0x660 mm/slub.c:6871
skb_release_data+0x62d/0x7c0 net/core/skbuff.c:1107
skb_release_all net/core/skbuff.c:1182 [inline]
__kfree_skb net/core/skbuff.c:1196 [inline]
consume_skb+0x9e/0xf0 net/core/skbuff.c:1428
__unix_dgram_recvmsg+0x9f9/0xd60 net/unix/af_unix.c:2658
sock_recvmsg_nosec net/socket.c:1069 [inline]
sock_recvmsg+0x22c/0x270 net/socket.c:1091
sock_read_iter+0x231/0x2f0 net/socket.c:1161
new_sync_read fs/read_write.c:491 [inline]
vfs_read+0x55a/0xa30 fs/read_write.c:572
ksys_read+0x145/0x250 fs/read_write.c:715
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #2 (&tty->write_wait){-.-.}-{3:3}:
__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:124
tty_port_default_wakeup+0xfb/0x170 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x72e/0x970 drivers/tty/serial/8250/8250_port.c:1719
serial8250_handle_irq+0x633/0xbb0 drivers/tty/serial/8250/8250_port.c:1827
serial8250_default_handle_irq+0xbf/0x200 drivers/tty/serial/8250/8250_port.c:1846
serial8250_interrupt+0x8d/0x180 drivers/tty/serial/8250/8250_core.c:82
__handle_irq_event_percpu+0x285/0xa60 kernel/irq/handle.c:211
handle_irq_event_percpu kernel/irq/handle.c:248 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:265
handle_edge_irq+0x23b/0xa10 kernel/irq/chip.c:855
generic_handle_irq_desc include/linux/irqdesc.h:172 [inline]
handle_irq arch/x86/kernel/irq.c:255 [inline]
call_irq_handler arch/x86/kernel/irq.c:-1 [inline]
__common_interrupt+0x141/0x1f0 arch/x86/kernel/irq.c:326
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:319
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
uart_port_unlock_irqrestore include/linux/serial_core.h:788 [inline]
uart_port_unlock_deref+0x111/0x2f0 drivers/tty/serial/serial_core.c:91
uart_write+0xe8/0x130 drivers/tty/serial/serial_core.c:634
process_output_block drivers/tty/n_tty.c:561 [inline]
n_tty_write+0xd27/0x1200 drivers/tty/n_tty.c:2377
iterate_tty_write drivers/tty/tty_io.c:1006 [inline]
file_tty_write+0x559/0xa20 drivers/tty/tty_io.c:1081
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&port_lock_key){-.-.}-{3:3}:
__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:3301
console_emit_next_record kernel/printk/printk.c:3129 [inline]
console_flush_one_record kernel/printk/printk.c:3215 [inline]
console_flush_all+0x745/0xb60 kernel/printk/printk.c:3289
__console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
console_unlock+0xbb/0x190 kernel/printk/printk.c:3359
vprintk_emit+0x4f8/0x5f0 kernel/printk/printk.c:2426
_printk+0xcf/0x120 kernel/printk/printk.c:2451
register_console+0xa8b/0xf90 kernel/printk/printk.c:4165
univ8250_console_init+0x3a/0x70 drivers/tty/serial/8250/8250_core.c:511
console_init+0xfc/0x3f0 kernel/printk/printk.c:4364
start_kernel+0x254/0x410 init/main.c:1048
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x147
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x15a6/0x2cf0 kernel/locking/lockdep.c:5237
lock_acquire+0x117/0x340 kernel/locking/lockdep.c:5868
console_lock_spinning_enable kernel/printk/printk.c:1900 [inline]
console_emit_next_record kernel/printk/printk.c:3123 [inline]
console_flush_one_record kernel/printk/printk.c:3215 [inline]
console_flush_all+0x6ee/0xb60 kernel/printk/printk.c:3289
__console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
console_unlock+0xbb/0x190 kernel/printk/printk.c:3359
vprintk_emit+0x4f8/0x5f0 kernel/printk/printk.c:2426
_printk+0xcf/0x120 kernel/printk/printk.c:2451
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x3f5/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x2c0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x72/0x150 mm/maccess.c:192
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:214 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:223 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:220
bpf_prog_c762caf419d1c004+0x3e/0x44
bpf_dispatcher_nop_func include/linux/bpf.h:1376 [inline]
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run include/linux/filter.h:730 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
bpf_trace_run4+0x28e/0x4b0 kernel/trace/bpf_trace.c:2118
__bpf_trace_sched_switch+0x17a/0x1e0 include/trace/events/sched.h:220
__traceiter_sched_switch+0x9d/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+0x256b/0x5000 kernel/sched/core.c:6860
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
syscall_enter_from_user_mode_work include/linux/entry-common.h:75 [inline]
syscall_enter_from_user_mode include/linux/entry-common.h:109 [inline]
do_syscall_64+0xc3/0xf80 arch/x86/entry/syscall_64.c:90
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.7.6090/24294:
#0: ffff8880b893a7d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:639
#1: ffffffff8df41cc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#1: ffffffff8df41cc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
#1: ffffffff8df41cc0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2074 [inline]
#1: ffffffff8df41cc0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run4+0x19c/0x4b0 kernel/trace/bpf_trace.c:2118
#2: ffffffff8df35b80 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x120 kernel/printk/printk.c:2451
#3: ffffffff8de1d438 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:336 [inline]
#3: ffffffff8de1d438 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:409 [inline]
#3: ffffffff8de1d438 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:289 [inline]
#3: ffffffff8de1d438 (console_srcu){....}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3192 [inline]
#3: ffffffff8de1d438 (console_srcu){....}-{0:0}, at: console_flush_all+0x131/0xb60 kernel/printk/printk.c:3289
stack backtrace:
CPU: 1 UID: 0 PID: 24294 Comm: syz.7.6090 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_circular_bug+0x2e2/0x300 kernel/locking/lockdep.c:2043
check_noncircular+0x12e/0x150 kernel/locking/lockdep.c:2175
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x15a6/0x2cf0 kernel/locking/lockdep.c:5237
lock_acquire+0x117/0x340 kernel/locking/lockdep.c:5868
console_lock_spinning_enable kernel/printk/printk.c:1900 [inline]
console_emit_next_record kernel/printk/printk.c:3123 [inline]
console_flush_one_record kernel/printk/printk.c:3215 [inline]
console_flush_all+0x6ee/0xb60 kernel/printk/printk.c:3289
__console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
console_unlock+0xbb/0x190 kernel/printk/printk.c:3359
vprintk_emit+0x4f8/0x5f0 kernel/printk/printk.c:2426
_printk+0xcf/0x120 kernel/printk/printk.c:2451
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x3f5/0x560 lib/fault-inject.c:174
strncpy_from_user+0x36/0x2c0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x72/0x150 mm/maccess.c:192
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:214 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:223 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:220
bpf_prog_c762caf419d1c004+0x3e/0x44
bpf_dispatcher_nop_func include/linux/bpf.h:1376 [inline]
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run include/linux/filter.h:730 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
bpf_trace_run4+0x28e/0x4b0 kernel/trace/bpf_trace.c:2118
__bpf_trace_sched_switch+0x17a/0x1e0 include/trace/events/sched.h:220
__traceiter_sched_switch+0x9d/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+0x256b/0x5000 kernel/sched/core.c:6860
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:syscall_enter_from_user_mode_work include/linux/entry-common.h:77 [inline]
RIP: 0010:syscall_enter_from_user_mode include/linux/entry-common.h:109 [inline]
RIP: 0010:do_syscall_64+0xc3/0xf80 arch/x86/entry/syscall_64.c:90
Code: 00 48 8b 7d 08 48 89 7b 18 e8 09 82 00 00 0f 1f 44 00 00 0f 1f 44 00 00 90 e8 19 46 80 f6 90 90 e8 c2 45 80 f6 fb 49 8b 57 08 c2 3f 74 0e 4c 89 f7 4c 89 ee e8 9d 73 62 f6 49 89 c4 90 90 41
RSP: 0018:ffffc9000d04fee0 EFLAGS: 00000282
RAX: ab5dde1760e71600 RBX: ffffc9000d04fee0 RCX: ab5dde1760e71600
RDX: 0000000000000000 RSI: ffffffff8d76bea1 RDI: ffffffff8bbfc660
RBP: ffffc9000d04ff38 R08: ffffffff8f805b77 R09: 1ffffffff1f00b6e
R10: dffffc0000000000 R11: fffffbfff1f00b6f R12: 000000000000002e
R13: 000000000000002e R14: ffffc9000d04ff48 R15: ffff88802aab9e80
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f772d38f749
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f772e25c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f772d5e5fa0 RCX: 00007f772d38f749
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007f772e25c090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f772d5e6038 R14: 00007f772d5e5fa0 R15: 00007fffe7fe1918
CPU: 1 UID: 0 PID: 24294 Comm: syz.7.6090 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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+0x36/0x2c0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x72/0x150 mm/maccess.c:192
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:214 [inline]
____bpf_probe_read_user_str kernel/trace/bpf_trace.c:223 [inline]
bpf_probe_read_user_str+0x2a/0x70 kernel/trace/bpf_trace.c:220
bpf_prog_c762caf419d1c004+0x3e/0x44
bpf_dispatcher_nop_func include/linux/bpf.h:1376 [inline]
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run include/linux/filter.h:730 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
bpf_trace_run4+0x28e/0x4b0 kernel/trace/bpf_trace.c:2118
__bpf_trace_sched_switch+0x17a/0x1e0 include/trace/events/sched.h:220
__traceiter_sched_switch+0x9d/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+0x256b/0x5000 kernel/sched/core.c:6860
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:syscall_enter_from_user_mode_work include/linux/entry-common.h:77 [inline]
RIP: 0010:syscall_enter_from_user_mode include/linux/entry-common.h:109 [inline]
RIP: 0010:do_syscall_64+0xc3/0xf80 arch/x86/entry/syscall_64.c:90
Code: 00 48 8b 7d 08 48 89 7b 18 e8 09 82 00 00 0f 1f 44 00 00 0f 1f 44 00 00 90 e8 19 46 80 f6 90 90 e8 c2 45 80 f6 fb 49 8b 57 08 c2 3f 74 0e 4c 89 f7 4c 89 ee e8 9d 73 62 f6 49 89 c4 90 90 41
RSP: 0018:ffffc9000d04fee0 EFLAGS: 00000282
RAX: ab5dde1760e71600 RBX: ffffc9000d04fee0 RCX: ab5dde1760e71600
RDX: 0000000000000000 RSI: ffffffff8d76bea1 RDI: ffffffff8bbfc660
RBP: ffffc9000d04ff38 R08: ffffffff8f805b77 R09: 1ffffffff1f00b6e
R10: dffffc0000000000 R11: fffffbfff1f00b6f R12: 000000000000002e
R13: 000000000000002e R14: ffffc9000d04ff48 R15: ffff88802aab9e80
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f772d38f749
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f772e25c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f772d5e5fa0 RCX: 00007f772d38f749
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007f772e25c090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f772d5e6038 R14: 00007f772d5e5fa0 R15: 00007fffe7fe1918
----------------
Code disassembly (best guess):
0: 00 48 8b add %cl,-0x75(%rax)
3: 7d 08 jge 0xd
5: 48 89 7b 18 mov %rdi,0x18(%rbx)
9: e8 09 82 00 00 call 0x8217
e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
13: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
18: 90 nop
19: e8 19 46 80 f6 call 0xf6804637
1e: 90 nop
1f: 90 nop
20: e8 c2 45 80 f6 call 0xf68045e7
25: fb sti
26: 49 8b 57 08 mov 0x8(%r15),%rdx
* 2a: f6 c2 3f test $0x3f,%dl <-- trapping instruction
2d: 74 0e je 0x3d
2f: 4c 89 f7 mov %r14,%rdi
32: 4c 89 ee mov %r13,%rsi
35: e8 9d 73 62 f6 call 0xf66273d7
3a: 49 89 c4 mov %rax,%r12
3d: 90 nop
3e: 90 nop
3f: 41 rex.B