------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
5.15.0-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.1/25029 is trying to acquire lock:
ffffffff8c9f9e78 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0x1c/0x90 kernel/locking/semaphore.c:138
but task is already holding lock:
ffff8880b9a2a258 (hrtimer_bases.lock){-.-.}-{2:2}, at: hrtimer_interrupt+0x107/0x1040 kernel/time/hrtimer.c:1792
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (hrtimer_bases.lock){-.-.}-{2:2}:
lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
lock_hrtimer_base kernel/time/hrtimer.c:173 [inline]
hrtimer_start_range_ns+0xe1/0x1ae0 kernel/time/hrtimer.c:1296
hrtimer_start_expires include/linux/hrtimer.h:432 [inline]
start_rt_bandwidth kernel/sched/rt.c:72 [inline]
inc_rt_group kernel/sched/rt.c:1193 [inline]
inc_rt_tasks kernel/sched/rt.c:1237 [inline]
__enqueue_rt_entity kernel/sched/rt.c:1413 [inline]
enqueue_rt_entity+0x883/0xe60 kernel/sched/rt.c:1459
enqueue_task_rt+0xd4/0x390 kernel/sched/rt.c:1494
enqueue_task+0x17f/0x3d0 kernel/sched/core.c:1999
__sched_setscheduler+0x1545/0x1f50 kernel/sched/core.c:7429
_sched_setscheduler kernel/sched/core.c:7475 [inline]
sched_setscheduler_nocheck kernel/sched/core.c:7522 [inline]
sched_set_fifo+0x10a/0x1d0 kernel/sched/core.c:7546
drm_vblank_worker_init+0x149/0x190 drivers/gpu/drm/drm_vblank_work.c:263
drm_vblank_init+0x279/0x340 drivers/gpu/drm/drm_vblank.c:551
vkms_create drivers/gpu/drm/vkms/vkms_drv.c:194 [inline]
vkms_init+0x37d/0x71a drivers/gpu/drm/vkms/vkms_drv.c:233
do_one_initcall+0xbd/0x2b0 init/main.c:1295
do_initcall_level+0x14a/0x1f5 init/main.c:1368
do_initcalls+0x4b/0x8c init/main.c:1384
kernel_init_freeable+0x43a/0x5c6 init/main.c:1606
kernel_init+0x19/0x2a0 init/main.c:1497
ret_from_fork+0x1f/0x30
-> #3 (&rt_b->rt_runtime_lock){-.-.}-{2:2}:
lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
__enable_runtime kernel/sched/rt.c:829 [inline]
rq_online_rt+0x120/0x300 kernel/sched/rt.c:2416
set_rq_online kernel/sched/core.c:8931 [inline]
sched_cpu_activate+0x500/0x6a0 kernel/sched/core.c:9036
cpuhp_invoke_callback+0x4cc/0x850 kernel/cpu.c:190
cpuhp_thread_fun+0x3f1/0x790 kernel/cpu.c:784
smpboot_thread_fn+0x533/0x9d0 kernel/smpboot.c:164
kthread+0x468/0x490 kernel/kthread.c:327
ret_from_fork+0x1f/0x30
-> #2 (&rq->__lock){-.-.}-{2:2}:
lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625
_raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368
raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:478
raw_spin_rq_lock kernel/sched/sched.h:1315 [inline]
rq_lock kernel/sched/sched.h:1613 [inline]
task_fork_fair+0x5d/0x3c0 kernel/sched/fair.c:11193
sched_post_fork+0x2d1/0x330 kernel/sched/core.c:4445
copy_process+0x519a/0x5ca0 kernel/fork.c:2405
kernel_clone+0x22a/0x7e0 kernel/fork.c:2581
kernel_thread+0x155/0x1d0 kernel/fork.c:2633
rest_init+0x21/0x2e0 init/main.c:690
start_kernel+0x4bf/0x56e init/main.c:1133
secondary_startup_64_no_verify+0xb1/0xbb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625
__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+0x9f/0xd20 kernel/sched/core.c:4000
up+0x6d/0x90 kernel/locking/semaphore.c:190
__up_console_sem+0x11a/0x1e0 kernel/printk/printk.c:254
console_unlock+0x6e8/0xe90 kernel/printk/printk.c:2727
vt_disallocate drivers/tty/vt/vt_ioctl.c:640 [inline]
vt_ioctl+0x2c2f/0x3860 drivers/tty/vt/vt_ioctl.c:903
tty_ioctl+0xfb2/0x17d0 drivers/tty/tty_io.c:2805
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> #0 ((console_sem).lock){-.-.}-{2:2}:
check_prev_add kernel/locking/lockdep.c:3051 [inline]
check_prevs_add kernel/locking/lockdep.c:3174 [inline]
validate_chain+0x1dfb/0x8240 kernel/locking/lockdep.c:3789
__lock_acquire+0x1382/0x2b00 kernel/locking/lockdep.c:5015
lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
down_trylock+0x1c/0x90 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x105/0x250 kernel/printk/printk.c:237
console_trylock kernel/printk/printk.c:2542 [inline]
console_trylock_spinning+0x8a/0x3f0 kernel/printk/printk.c:1843
vprintk_emit+0xa1/0x140 kernel/printk/printk.c:2244
_printk+0xcf/0x118 kernel/printk/printk.c:2266
__warn_printk+0xaf/0x120 kernel/panic.c:642
debug_print_object lib/debugobjects.c:505 [inline]
debug_object_deactivate+0x1cf/0x400 lib/debugobjects.c:763
debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
debug_deactivate kernel/time/hrtimer.c:481 [inline]
__run_hrtimer kernel/time/hrtimer.c:1653 [inline]
__hrtimer_run_queues+0x2f9/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
__sanitizer_cov_trace_pc+0x42/0x60 kernel/kcov.c:202
vga16fb_fillrect+0x17bf/0x1c10 drivers/video/fbdev/vga16fb.c:922
bit_clear+0x3f9/0x640 drivers/video/fbdev/core/bitblit.c:74
fbcon_scroll+0x4cd/0x4130 drivers/video/fbdev/core/fbcon.c:1784
con_scroll+0x517/0x7b0 drivers/tty/vt/vt.c:630
lf drivers/tty/vt/vt.c:1507 [inline]
vc_con_write_normal drivers/tty/vt/vt.c:2851 [inline]
do_con_write+0x171a/0xe3b0 drivers/tty/vt/vt.c:2955
con_put_char+0x90/0xe0 drivers/tty/vt/vt.c:3303
tty_put_char+0xda/0x180 drivers/tty/tty_io.c:3173
do_output_char+0x583/0x940 drivers/tty/n_tty.c:485
process_output drivers/tty/n_tty.c:511 [inline]
n_tty_write+0xe95/0x1320 drivers/tty/n_tty.c:2300
do_tty_write drivers/tty/tty_io.c:1038 [inline]
file_tty_write+0x5c5/0x9a0 drivers/tty/tty_io.c:1110
call_write_iter include/linux/fs.h:2161 [inline]
new_sync_write fs/read_write.c:503 [inline]
vfs_write+0xb11/0xe90 fs/read_write.c:590
ksys_write+0x18f/0x2c0 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Chain exists of:
(console_sem).lock --> &rt_b->rt_runtime_lock --> hrtimer_bases.lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(hrtimer_bases.lock);
lock(&rt_b->rt_runtime_lock);
lock(hrtimer_bases.lock);
lock((console_sem).lock);
*** DEADLOCK ***
6 locks held by syz-executor.1/25029:
#0: ffff88807bc61098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffff88807bc61130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:961 [inline]
#1: ffff88807bc61130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: do_tty_write drivers/tty/tty_io.c:984 [inline]
#1: ffff88807bc61130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write+0x271/0x9a0 drivers/tty/tty_io.c:1110
#2: ffff88807bc612e8 (&tty->termios_rwsem){++++}-{3:3}, at: n_tty_write+0x23e/0x1320 drivers/tty/n_tty.c:2271
#3: ffffc90001a98378 (&ldata->output_lock){+.+.}-{3:3}, at: process_output drivers/tty/n_tty.c:508 [inline]
#3: ffffc90001a98378 (&ldata->output_lock){+.+.}-{3:3}, at: n_tty_write+0xe7f/0x1320 drivers/tty/n_tty.c:2300
#4: ffffffff8c9f9ee0 (console_lock){+.+.}-{0:0}, at: do_con_write+0x11c/0xe3b0 drivers/tty/vt/vt.c:2908
#5: ffff8880b9a2a258 (hrtimer_bases.lock){-.-.}-{2:2}, at: hrtimer_interrupt+0x107/0x1040 kernel/time/hrtimer.c:1792
stack backtrace:
CPU: 0 PID: 25029 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
check_noncircular+0x2f9/0x3b0 kernel/locking/lockdep.c:2131
check_prev_add kernel/locking/lockdep.c:3051 [inline]
check_prevs_add kernel/locking/lockdep.c:3174 [inline]
validate_chain+0x1dfb/0x8240 kernel/locking/lockdep.c:3789
__lock_acquire+0x1382/0x2b00 kernel/locking/lockdep.c:5015
lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
down_trylock+0x1c/0x90 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x105/0x250 kernel/printk/printk.c:237
console_trylock kernel/printk/printk.c:2542 [inline]
console_trylock_spinning+0x8a/0x3f0 kernel/printk/printk.c:1843
vprintk_emit+0xa1/0x140 kernel/printk/printk.c:2244
_printk+0xcf/0x118 kernel/printk/printk.c:2266
__warn_printk+0xaf/0x120 kernel/panic.c:642
debug_print_object lib/debugobjects.c:505 [inline]
debug_object_deactivate+0x1cf/0x400 lib/debugobjects.c:763
debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
debug_deactivate kernel/time/hrtimer.c:481 [inline]
__run_hrtimer kernel/time/hrtimer.c:1653 [inline]
__hrtimer_run_queues+0x2f9/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x42/0x60 kernel/kcov.c:202
Code: ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 a4 15 00 00 00 74 2c 8b 91 80 15 00 00 83 fa 02 75 21 48 8b 91 88 15 00 00 48 8b 32 <48> 8d 7e 01 8b 89 84 15 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89
RSP: 0018:ffffc90004c2f120 EFLAGS: 00000246
RAX: ffffffff845cd25f RBX: 0000000000000001 RCX: ffff88807e1e9d00
RDX: ffffc9000b322000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff845cd233 R09: ffffffff845cc338
R10: 0000000000000002 R11: ffff88807e1e9d00 R12: 0000000000000000
R13: 0000000000000008 R14: ffff888000253c8f R15: 0000000000000007
vga16fb_fillrect+0x17bf/0x1c10 drivers/video/fbdev/vga16fb.c:922
bit_clear+0x3f9/0x640 drivers/video/fbdev/core/bitblit.c:74
fbcon_scroll+0x4cd/0x4130 drivers/video/fbdev/core/fbcon.c:1784
con_scroll+0x517/0x7b0 drivers/tty/vt/vt.c:630
lf drivers/tty/vt/vt.c:1507 [inline]
vc_con_write_normal drivers/tty/vt/vt.c:2851 [inline]
do_con_write+0x171a/0xe3b0 drivers/tty/vt/vt.c:2955
con_put_char+0x90/0xe0 drivers/tty/vt/vt.c:3303
tty_put_char+0xda/0x180 drivers/tty/tty_io.c:3173
do_output_char+0x583/0x940 drivers/tty/n_tty.c:485
process_output drivers/tty/n_tty.c:511 [inline]
n_tty_write+0xe95/0x1320 drivers/tty/n_tty.c:2300
do_tty_write drivers/tty/tty_io.c:1038 [inline]
file_tty_write+0x5c5/0x9a0 drivers/tty/tty_io.c:1110
call_write_iter include/linux/fs.h:2161 [inline]
new_sync_write fs/read_write.c:503 [inline]
vfs_write+0xb11/0xe90 fs/read_write.c:590
ksys_write+0x18f/0x2c0 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f58c7462ae9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f58c49d8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f58c7575f60 RCX: 00007f58c7462ae9
RDX: 00000000000001b7 RSI: 0000000020001040 RDI: 0000000000000004
RBP: 00007f58c74bcf25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1c382caf R14: 00007f58c49d8300 R15: 0000000000022000
ODEBUG: deactivate not available (active state 0) object type: hrtimer hint: hrtimer_wakeup+0x0/0x70 include/trace/events/timer.h:279
WARNING: CPU: 0 PID: 25029 at lib/debugobjects.c:508 debug_print_object lib/debugobjects.c:505 [inline]
WARNING: CPU: 0 PID: 25029 at lib/debugobjects.c:508 debug_object_deactivate+0x1cf/0x400 lib/debugobjects.c:763
Modules linked in:
CPU: 0 PID: 25029 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:debug_print_object lib/debugobjects.c:505 [inline]
RIP: 0010:debug_object_deactivate+0x1cf/0x400 lib/debugobjects.c:763
Code: df e8 75 06 b7 fd 4c 8b 03 48 c7 c7 20 a0 d4 8a 48 c7 c6 c0 9b d4 8a 48 c7 c2 60 a2 d4 8a 31 c9 49 89 e9 31 c0 e8 81 63 35 fd <0f> 0b e9 4e 01 00 00 83 f8 04 0f 85 89 00 00 00 48 89 14 24 48 8b
RSP: 0018:ffffc90000007cd0 EFLAGS: 00010046
RAX: 63f785a20b376a00 RBX: ffffffff8a715be0 RCX: ffff88807e1e9d00
RDX: 0000000000010001 RSI: 0000000000010001 RDI: 0000000000000000
RBP: ffffffff81738190 R08: ffffffff8169d302 R09: ffffed1017344f2c
R10: ffffed1017344f2c R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff1100003b47a R14: ffffffff8a715be8 R15: ffff8880001da3d0
FS: 00007f58c49d8700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555564a808 CR3: 0000000047a62000 CR4: 00000000003506f0
Call Trace:
debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
debug_deactivate kernel/time/hrtimer.c:481 [inline]
__run_hrtimer kernel/time/hrtimer.c:1653 [inline]
__hrtimer_run_queues+0x2f9/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x42/0x60 kernel/kcov.c:202
Code: ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 a4 15 00 00 00 74 2c 8b 91 80 15 00 00 83 fa 02 75 21 48 8b 91 88 15 00 00 48 8b 32 <48> 8d 7e 01 8b 89 84 15 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89
RSP: 0018:ffffc90004c2f120 EFLAGS: 00000246
RAX: ffffffff845cd25f RBX: 0000000000000001 RCX: ffff88807e1e9d00
RDX: ffffc9000b322000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff845cd233 R09: ffffffff845cc338
R10: 0000000000000002 R11: ffff88807e1e9d00 R12: 0000000000000000
R13: 0000000000000008 R14: ffff888000253c8f R15: 0000000000000007
vga16fb_fillrect+0x17bf/0x1c10 drivers/video/fbdev/vga16fb.c:922
bit_clear+0x3f9/0x640 drivers/video/fbdev/core/bitblit.c:74
fbcon_scroll+0x4cd/0x4130 drivers/video/fbdev/core/fbcon.c:1784
con_scroll+0x517/0x7b0 drivers/tty/vt/vt.c:630
lf drivers/tty/vt/vt.c:1507 [inline]
vc_con_write_normal drivers/tty/vt/vt.c:2851 [inline]
do_con_write+0x171a/0xe3b0 drivers/tty/vt/vt.c:2955
con_put_char+0x90/0xe0 drivers/tty/vt/vt.c:3303
tty_put_char+0xda/0x180 drivers/tty/tty_io.c:3173
do_output_char+0x583/0x940 drivers/tty/n_tty.c:485
process_output drivers/tty/n_tty.c:511 [inline]
n_tty_write+0xe95/0x1320 drivers/tty/n_tty.c:2300
do_tty_write drivers/tty/tty_io.c:1038 [inline]
file_tty_write+0x5c5/0x9a0 drivers/tty/tty_io.c:1110
call_write_iter include/linux/fs.h:2161 [inline]
new_sync_write fs/read_write.c:503 [inline]
vfs_write+0xb11/0xe90 fs/read_write.c:590
ksys_write+0x18f/0x2c0 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f58c7462ae9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f58c49d8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f58c7575f60 RCX: 00007f58c7462ae9
RDX: 00000000000001b7 RSI: 0000000020001040 RDI: 0000000000000004
RBP: 00007f58c74bcf25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1c382caf R14: 00007f58c49d8300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: ff 00 incl (%rax)
2: 74 11 je 0x15
4: f7 c2 00 01 00 00 test $0x100,%edx
a: 74 35 je 0x41
c: 83 b9 a4 15 00 00 00 cmpl $0x0,0x15a4(%rcx)
13: 74 2c je 0x41
15: 8b 91 80 15 00 00 mov 0x1580(%rcx),%edx
1b: 83 fa 02 cmp $0x2,%edx
1e: 75 21 jne 0x41
20: 48 8b 91 88 15 00 00 mov 0x1588(%rcx),%rdx
27: 48 8b 32 mov (%rdx),%rsi
* 2a: 48 8d 7e 01 lea 0x1(%rsi),%rdi <-- trapping instruction
2e: 8b 89 84 15 00 00 mov 0x1584(%rcx),%ecx
34: 48 39 cf cmp %rcx,%rdi
37: 73 08 jae 0x41
39: 48 89 44 f2 08 mov %rax,0x8(%rdx,%rsi,8)
3e: 48 rex.W
3f: 89 .byte 0x89