FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
6.1.130-syzkaller #0 Not tainted
------------------------------------------------------
syz.6.1549/10029 is trying to acquire lock:
ffffffff8d322840 (console_owner){-...}-{0:0}, at: console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
ffffffff8d322840 (console_owner){-...}-{0:0}, at: console_emit_next_record+0x74f/0xc30 kernel/printk/printk.c:2774
but task is already holding lock:
ffff8880b8f3a9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&rq->__lock){-.-.}-{2:2}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
_raw_spin_lock_nested+0x2d/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+0x5d/0x350 kernel/sched/fair.c:11886
sched_cgroup_fork+0x374/0x400 kernel/sched/core.c:4684
copy_process+0x2482/0x40a0 kernel/fork.c:2383
kernel_clone+0x222/0x920 kernel/fork.c:2681
user_mode_thread+0x140/0x1b0 kernel/fork.c:2757
rest_init+0x23/0x300 init/main.c:698
start_kernel+0x0/0x53f init/main.c:893
start_kernel+0x496/0x53f init/main.c:1140
secondary_startup_64_no_verify+0xcf/0xdb
-> #3 (&p->pi_lock){-.-.}-{2:2}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
try_to_wake_up+0xad/0x1250 kernel/sched/core.c:4110
__wake_up_common+0x2a0/0x4e0 kernel/sched/wait.c:107
__wake_up_common_lock kernel/sched/wait.c:138 [inline]
__wake_up+0x11a/0x1c0 kernel/sched/wait.c:160
tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x60d/0x800 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x4ff/0x6a0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xc8/0x1e0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0xa1/0x1e0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x2a8/0xb20 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x85/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250
common_interrupt+0xae/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
mt_locked lib/maple_tree.c:807 [inline]
mt_slot lib/maple_tree.c:814 [inline]
mas_slot lib/maple_tree.c:847 [inline]
mas_get_slot lib/maple_tree.c:6675 [inline]
mas_validate_gaps lib/maple_tree.c:6973 [inline]
mt_validate+0x377b/0x5ad0 lib/maple_tree.c:7241
validate_mm_mt+0x165/0x670 mm/mmap.c:294
validate_mm+0x16e/0x380 mm/mmap.c:331
mmap_region+0x1556/0x2660 mm/mmap.c:2910
do_mmap+0x8c5/0xf60 mm/mmap.c:1424
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:520
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #2 (&tty->write_wait){-...}-{2:2}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0xfd/0x1c0 kernel/sched/wait.c:160
tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:71
serial8250_tx_chars+0x60d/0x800 drivers/tty/serial/8250/8250_port.c:1854
serial8250_handle_irq+0x4ff/0x6a0 drivers/tty/serial/8250/8250_port.c:1961
serial8250_default_handle_irq+0xc8/0x1e0 drivers/tty/serial/8250/8250_port.c:1981
serial8250_interrupt+0xa1/0x1e0 drivers/tty/serial/8250/8250_core.c:126
__handle_irq_event_percpu+0x2a8/0xb20 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x85/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250
common_interrupt+0xae/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
uart_write+0x66d/0x8d0 drivers/tty/serial/serial_core.c:602
process_output_block drivers/tty/n_tty.c:586 [inline]
n_tty_write+0xd7f/0x1260 drivers/tty/n_tty.c:2377
do_tty_write drivers/tty/tty_io.c:1018 [inline]
file_tty_write+0x504/0x890 drivers/tty/tty_io.c:1089
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x857/0xbc0 fs/read_write.c:584
ksys_write+0x19c/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
-> #1 (&port_lock_key){-...}-{2:2}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
serial8250_console_write+0x19f/0x1a30 drivers/tty/serial/8250/8250_port.c:3433
call_console_driver kernel/printk/printk.c:1977 [inline]
console_emit_next_record+0x86d/0xc30 kernel/printk/printk.c:2777
console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
_printk+0xd1/0x111 kernel/printk/printk.c:2328
register_console+0x6b9/0x9a0 kernel/printk/printk.c:3269
univ8250_console_init+0x41/0x43 drivers/tty/serial/8250/8250_core.c:687
console_init+0x1d6/0x7f3 kernel/printk/printk.c:3359
start_kernel+0x30b/0x53f init/main.c:1076
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+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x76c/0xc30 kernel/printk/printk.c:2774
console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
_printk+0xd1/0x111 kernel/printk/printk.c:2328
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x387/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x360 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6c/0x130 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:204 [inline]
____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:310 [inline]
bpf_probe_read_compat_str+0xe4/0x180 kernel/trace/bpf_trace.c:306
bpf_prog_c1796171ffc7efef+0x35/0x37
bpf_dispatcher_nop_func include/linux/bpf.h:1000 [inline]
__bpf_prog_run include/linux/filter.h:596 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline]
bpf_trace_run4+0x3c3/0x470 kernel/trace/bpf_trace.c:2325
__traceiter_sched_switch+0x91/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x2128/0x4570 kernel/sched/core.c:6557
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6872
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
test_ti_thread_flag include/linux/thread_info.h:118 [inline]
test_tsk_thread_flag include/linux/sched.h:2045 [inline]
task_sigpending include/linux/sched/signal.h:389 [inline]
signal_pending include/linux/sched/signal.h:401 [inline]
bpf_test_timer_continue+0xb6/0x350 net/bpf/test_run.c:71
bpf_test_run+0x44b/0x8b0 net/bpf/test_run.c:403
bpf_prog_test_run_skb+0xaf1/0x13a0 net/bpf/test_run.c:1183
bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3682
__sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:5035
__do_sys_bpf kernel/bpf/syscall.c:5121 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5119 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5119
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 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 ***
4 locks held by syz.6.1549/10029:
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: bpf_test_timer_enter+0x19/0x140 net/bpf/test_run.c:36
#1: ffff8880b8f3a9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537
#2: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#2: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#2: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline]
#2: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x16a/0x470 kernel/trace/bpf_trace.c:2325
#3: ffffffff8d20a5a0 (console_lock){+.+.}-{0:0}, at: _printk+0xd1/0x111 kernel/printk/printk.c:2328
stack backtrace:
CPU: 1 PID: 10029 Comm: syz.6.1549 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
check_noncircular+0x2fa/0x3b0 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+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
console_lock_spinning_enable kernel/printk/printk.c:1818 [inline]
console_emit_next_record+0x76c/0xc30 kernel/printk/printk.c:2774
console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
_printk+0xd1/0x111 kernel/printk/printk.c:2328
fail_dump lib/fault-inject.c:45 [inline]
should_fail_ex+0x387/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x360 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6c/0x130 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:204 [inline]
____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:310 [inline]
bpf_probe_read_compat_str+0xe4/0x180 kernel/trace/bpf_trace.c:306
bpf_prog_c1796171ffc7efef+0x35/0x37
bpf_dispatcher_nop_func include/linux/bpf.h:1000 [inline]
__bpf_prog_run include/linux/filter.h:596 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline]
bpf_trace_run4+0x3c3/0x470 kernel/trace/bpf_trace.c:2325
__traceiter_sched_switch+0x91/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x2128/0x4570 kernel/sched/core.c:6557
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6872
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline]
RIP: 0010:test_tsk_thread_flag include/linux/sched.h:2045 [inline]
RIP: 0010:task_sigpending include/linux/sched/signal.h:389 [inline]
RIP: 0010:signal_pending include/linux/sched/signal.h:401 [inline]
RIP: 0010:bpf_test_timer_continue+0xb6/0x350 net/bpf/test_run.c:71
Code: bf 00 00 02 00 be 00 00 02 00 48 21 ee 31 ff e8 f0 70 a8 f8 49 21 ef 0f 85 e4 01 00 00 48 89 df be 08 00 00 00 e8 1a d1 ff f8 <49> bf 00 00 00 00 00 fc ff df 43 80 3c 3c 00 74 08 48 89 df e8 71
RSP: 0018:ffffc90003737978 EFLAGS: 00000256
RAX: 0000000000000001 RBX: ffff888027b21dc0 RCX: ffffffff88e22c86
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888027b21dc0
RBP: 0000000000004000 R08: dffffc0000000000 R09: ffffed1004f643b9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004f643b8
R13: ffffc90003737b00 R14: 1ffff920006e6f60 R15: 0000000000000000
bpf_test_run+0x44b/0x8b0 net/bpf/test_run.c:403
bpf_prog_test_run_skb+0xaf1/0x13a0 net/bpf/test_run.c:1183
bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3682
__sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:5035
__do_sys_bpf kernel/bpf/syscall.c:5121 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5119 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5119
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f11d898d169
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:00007f11d98be038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f11d8ba5fa0 RCX: 00007f11d898d169
RDX: 0000000000000050 RSI: 0000400000000180 RDI: 000000000000000a
RBP: 00007f11d98be090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f11d8ba5fa0 R15: 00007fff17e6fb58
CPU: 1 PID: 10029 Comm: syz.6.1549 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
fail_dump lib/fault-inject.c:52 [inline]
should_fail_ex+0x3a6/0x4d0 lib/fault-inject.c:147
strncpy_from_user+0x32/0x360 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x6c/0x130 mm/maccess.c:186
bpf_probe_read_user_str_common kernel/trace/bpf_trace.c:204 [inline]
____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:310 [inline]
bpf_probe_read_compat_str+0xe4/0x180 kernel/trace/bpf_trace.c:306
bpf_prog_c1796171ffc7efef+0x35/0x37
bpf_dispatcher_nop_func include/linux/bpf.h:1000 [inline]
__bpf_prog_run include/linux/filter.h:596 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline]
bpf_trace_run4+0x3c3/0x470 kernel/trace/bpf_trace.c:2325
__traceiter_sched_switch+0x91/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x2128/0x4570 kernel/sched/core.c:6557
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6872
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline]
RIP: 0010:test_tsk_thread_flag include/linux/sched.h:2045 [inline]
RIP: 0010:task_sigpending include/linux/sched/signal.h:389 [inline]
RIP: 0010:signal_pending include/linux/sched/signal.h:401 [inline]
RIP: 0010:bpf_test_timer_continue+0xb6/0x350 net/bpf/test_run.c:71
Code: bf 00 00 02 00 be 00 00 02 00 48 21 ee 31 ff e8 f0 70 a8 f8 49 21 ef 0f 85 e4 01 00 00 48 89 df be 08 00 00 00 e8 1a d1 ff f8 <49> bf 00 00 00 00 00 fc ff df 43 80 3c 3c 00 74 08 48 89 df e8 71
RSP: 0018:ffffc90003737978 EFLAGS: 00000256
RAX: 0000000000000001 RBX: ffff888027b21dc0 RCX: ffffffff88e22c86
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888027b21dc0
RBP: 0000000000004000 R08: dffffc0000000000 R09: ffffed1004f643b9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004f643b8
R13: ffffc90003737b00 R14: 1ffff920006e6f60 R15: 0000000000000000
bpf_test_run+0x44b/0x8b0 net/bpf/test_run.c:403
bpf_prog_test_run_skb+0xaf1/0x13a0 net/bpf/test_run.c:1183
bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3682
__sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:5035
__do_sys_bpf kernel/bpf/syscall.c:5121 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5119 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5119
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f11d898d169
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:00007f11d98be038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f11d8ba5fa0 RCX: 00007f11d898d169
RDX: 0000000000000050 RSI: 0000400000000180 RDI: 000000000000000a
RBP: 00007f11d98be090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f11d8ba5fa0 R15: 00007fff17e6fb58
----------------
Code disassembly (best guess):
0: bf 00 00 02 00 mov $0x20000,%edi
5: be 00 00 02 00 mov $0x20000,%esi
a: 48 21 ee and %rbp,%rsi
d: 31 ff xor %edi,%edi
f: e8 f0 70 a8 f8 call 0xf8a87104
14: 49 21 ef and %rbp,%r15
17: 0f 85 e4 01 00 00 jne 0x201
1d: 48 89 df mov %rbx,%rdi
20: be 08 00 00 00 mov $0x8,%esi
25: e8 1a d1 ff f8 call 0xf8ffd144
* 2a: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 <-- trapping instruction
31: fc ff df
34: 43 80 3c 3c 00 cmpb $0x0,(%r12,%r15,1)
39: 74 08 je 0x43
3b: 48 89 df mov %rbx,%rdi
3e: e8 .byte 0xe8
3f: 71 .byte 0x71