FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
6.14.0-rc7-syzkaller-00067-g76b6905c11fd #0 Not tainted
------------------------------------------------------
syz.9.7460/1590 is trying to acquire lock:
ffffffff8e0ca600 (console_owner){-.-.}-{0:0}, at: console_trylock_spinning kernel/printk/printk.c:2048 [inline]
ffffffff8e0ca600 (console_owner){-.-.}-{0:0}, at: vprintk_emit+0x584/0x6f0 kernel/printk/printk.c:2431
but task is already holding lock:
ffff88802b43ed58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline]
ffff88802b43ed58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:591
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+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
task_rq_lock+0xcf/0x3b0 kernel/sched/core.c:700
cgroup_move_task+0x82/0x250 kernel/sched/psi.c:1161
css_set_move_task+0x288/0x5f0 kernel/cgroup/cgroup.c:898
cgroup_post_fork+0x202/0x9d0 kernel/cgroup/cgroup.c:6695
copy_process+0x4ffd/0x8c50 kernel/fork.c:2629
kernel_clone+0xfd/0x960 kernel/fork.c:2815
user_mode_thread+0xc9/0x110 kernel/fork.c:2893
rest_init+0x23/0x2b0 init/main.c:708
start_kernel+0x3e9/0x4d0 init/main.c:1099
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:515
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:496
common_startup_64+0x13e/0x148
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]
try_to_wake_up+0xb6/0x1490 kernel/sched/core.c:4214
__wake_up_common+0x131/0x1e0 kernel/sched/wait.c:89
__wake_up_common_lock kernel/sched/wait.c:106 [inline]
__wake_up+0x31/0x60 kernel/sched/wait.c:127
tty_port_default_wakeup+0x2a/0x40 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x68e/0x860 drivers/tty/serial/8250/8250_port.c:1844
serial8250_handle_irq+0x74c/0xc80 drivers/tty/serial/8250/8250_port.c:1952
serial8250_default_handle_irq+0x9a/0x210 drivers/tty/serial/8250/8250_port.c:1972
serial8250_interrupt+0x103/0x210 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x229/0x7d0 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x263/0xd10 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:249 [inline]
call_irq_handler arch/x86/kernel/irq.c:261 [inline]
__common_interrupt+0xdf/0x250 arch/x86/kernel/irq.c:287
common_interrupt+0xba/0xe0 arch/x86/kernel/irq.c:280
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline]
default_idle+0xf/0x20 arch/x86/kernel/process.c:743
default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117
cpuidle_idle_call kernel/sched/idle.c:185 [inline]
do_idle+0x329/0x3f0 kernel/sched/idle.c:325
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:423
start_secondary+0x222/0x2b0 arch/x86/kernel/smpboot.c:315
common_startup_64+0x13e/0x148
-> #2 (&tty->write_wait){-...}-{3:3}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:105 [inline]
__wake_up+0x1c/0x60 kernel/sched/wait.c:127
tty_port_default_wakeup+0x2a/0x40 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x68e/0x860 drivers/tty/serial/8250/8250_port.c:1844
__start_tx+0x3e9/0x4a0 drivers/tty/serial/8250/8250_port.c:1549
serial8250_start_tx+0x368/0x530 drivers/tty/serial/8250/8250_port.c:1659
__uart_start+0x292/0x4c0 drivers/tty/serial/serial_core.c:160
uart_write+0x218/0xb30 drivers/tty/serial/serial_core.c:635
process_output_block drivers/tty/n_tty.c:574 [inline]
n_tty_write+0x419/0x1140 drivers/tty/n_tty.c:2389
iterate_tty_write drivers/tty/tty_io.c:1015 [inline]
file_tty_write.constprop.0+0x506/0x9a0 drivers/tty/tty_io.c:1090
tty_write drivers/tty/tty_io.c:1111 [inline]
redirected_tty_write drivers/tty/tty_io.c:1134 [inline]
redirected_tty_write+0xcc/0x140 drivers/tty/tty_io.c:1114
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:679
ksys_write+0x12b/0x250 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
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+0x3a/0x60 kernel/locking/spinlock.c:162
uart_port_lock_irqsave include/linux/serial_core.h:715 [inline]
serial8250_console_write+0x17c/0x1870 drivers/tty/serial/8250/8250_port.c:3424
console_emit_next_record kernel/printk/printk.c:3122 [inline]
console_flush_all+0x803/0xc60 kernel/printk/printk.c:3210
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
_printk+0xc8/0x100 kernel/printk/printk.c:2457
register_console+0xbfd/0x1170 kernel/printk/printk.c:4099
univ8250_console_init+0x5f/0x90 drivers/tty/serial/8250/8250_core.c:513
console_init+0x154/0x690 kernel/printk/printk.c:4292
start_kernel+0x29f/0x4d0 init/main.c:1034
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:515
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:496
common_startup_64+0x13e/0x148
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3163 [inline]
check_prevs_add kernel/locking/lockdep.c:3282 [inline]
validate_chain kernel/locking/lockdep.c:3906 [inline]
__lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5228
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
console_trylock_spinning kernel/printk/printk.c:2048 [inline]
vprintk_emit+0x599/0x6f0 kernel/printk/printk.c:2431
_printk+0xc8/0x100 kernel/printk/printk.c:2457
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x4df/0x650 lib/fault-inject.c:174
strncpy_from_user+0x3b/0x2d0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x7f/0x180 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+0x26/0x70 kernel/trace/bpf_trace.c:221
bpf_prog_bc7c5c6b9645592f+0x3e/0x40
bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run include/linux/filter.h:708 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2371 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2414
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
__do_trace_sched_switch include/trace/events/sched.h:222 [inline]
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x160c/0x5890 kernel/sched/core.c:6762
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6944
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__local_bh_enable_ip+0x107/0x120 kernel/softirq.c:396
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
__dev_queue_xmit+0x8b0/0x43e0 net/core/dev.c:4679
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
__netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline]
__netlink_deliver_tap net/netlink/af_netlink.c:325 [inline]
netlink_deliver_tap+0xa87/0xd30 net/netlink/af_netlink.c:338
netlink_deliver_tap_kernel net/netlink/af_netlink.c:347 [inline]
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x5e1/0x7f0 net/netlink/af_netlink.c:1338
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1882
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:733 [inline]
____sys_sendmsg+0xaaf/0xc90 net/socket.c:2573
___sys_sendmsg+0x135/0x1e0 net/socket.c:2627
__sys_sendmsg+0x16e/0x220 net/socket.c:2659
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
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 ***
3 locks held by syz.9.7460/1590:
#0: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_release include/linux/rcupdate.h:347 [inline]
#0: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_read_unlock include/linux/rcupdate.h:880 [inline]
#0: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: net_generic include/net/netns/generic.h:48 [inline]
#0: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: netlink_deliver_tap+0x103/0xd30 net/netlink/af_netlink.c:333
#1: ffff88802b43ed58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline]
#1: ffff88802b43ed58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:591
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2370 [inline]
#2: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run4+0x1d6/0x5a0 kernel/trace/bpf_trace.c:2414
stack backtrace:
CPU: 1 UID: 0 PID: 1590 Comm: syz.9.7460 Not tainted 6.14.0-rc7-syzkaller-00067-g76b6905c11fd #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_circular_bug+0x490/0x760 kernel/locking/lockdep.c:2076
check_noncircular+0x31a/0x400 kernel/locking/lockdep.c:2208
check_prev_add kernel/locking/lockdep.c:3163 [inline]
check_prevs_add kernel/locking/lockdep.c:3282 [inline]
validate_chain kernel/locking/lockdep.c:3906 [inline]
__lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5228
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
console_trylock_spinning kernel/printk/printk.c:2048 [inline]
vprintk_emit+0x599/0x6f0 kernel/printk/printk.c:2431
_printk+0xc8/0x100 kernel/printk/printk.c:2457
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x4df/0x650 lib/fault-inject.c:174
strncpy_from_user+0x3b/0x2d0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x7f/0x180 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+0x26/0x70 kernel/trace/bpf_trace.c:221
bpf_prog_bc7c5c6b9645592f+0x3e/0x40
bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run include/linux/filter.h:708 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2371 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2414
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
__do_trace_sched_switch include/trace/events/sched.h:222 [inline]
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x160c/0x5890 kernel/sched/core.c:6762
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6944
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__local_bh_enable_ip+0x107/0x120 kernel/softirq.c:396
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
__dev_queue_xmit+0x8b0/0x43e0 net/core/dev.c:4679
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
__netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline]
__netlink_deliver_tap net/netlink/af_netlink.c:325 [inline]
netlink_deliver_tap+0xa87/0xd30 net/netlink/af_netlink.c:338
netlink_deliver_tap_kernel net/netlink/af_netlink.c:347 [inline]
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x5e1/0x7f0 net/netlink/af_netlink.c:1338
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1882
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:733 [inline]
____sys_sendmsg+0xaaf/0xc90 net/socket.c:2573
___sys_sendmsg+0x135/0x1e0 net/socket.c:2627
__sys_sendmsg+0x16e/0x220 net/socket.c:2659
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf745e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f50a455c EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000080
RDX: 0000000024008040 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
CPU: 1 UID: 0 PID: 1590 Comm: syz.9.7460 Not tainted 6.14.0-rc7-syzkaller-00067-g76b6905c11fd #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
fail_dump lib/fault-inject.c:73 [inline]
should_fail_ex+0x50a/0x650 lib/fault-inject.c:174
strncpy_from_user+0x3b/0x2d0 lib/strncpy_from_user.c:118
strncpy_from_user_nofault+0x7f/0x180 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+0x26/0x70 kernel/trace/bpf_trace.c:221
bpf_prog_bc7c5c6b9645592f+0x3e/0x40
bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run include/linux/filter.h:708 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2371 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2414
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
__do_trace_sched_switch include/trace/events/sched.h:222 [inline]
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x160c/0x5890 kernel/sched/core.c:6762
preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6944
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__local_bh_enable_ip+0x107/0x120 kernel/softirq.c:396
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
__dev_queue_xmit+0x8b0/0x43e0 net/core/dev.c:4679
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
__netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline]
__netlink_deliver_tap net/netlink/af_netlink.c:325 [inline]
netlink_deliver_tap+0xa87/0xd30 net/netlink/af_netlink.c:338
netlink_deliver_tap_kernel net/netlink/af_netlink.c:347 [inline]
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x5e1/0x7f0 net/netlink/af_netlink.c:1338
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1882
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:733 [inline]
____sys_sendmsg+0xaaf/0xc90 net/socket.c:2573
___sys_sendmsg+0x135/0x1e0 net/socket.c:2627
__sys_sendmsg+0x16e/0x220 net/socket.c:2659
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:387
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:412
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf745e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f50a455c EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000080
RDX: 0000000024008040 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 ret
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi