==================================================================
BUG: KASAN: use-after-free in hlist_move_list include/linux/list.h:1014 [inline]
BUG: KASAN: use-after-free in collect_expired_timers kernel/time/timer.c:1576 [inline]
BUG: KASAN: use-after-free in __run_timers+0x34a/0xa10 kernel/time/timer.c:1812
Write of size 8 at addr ffff888116fc8a00 by task syz.5.5054/19296
CPU: 0 PID: 19296 Comm: syz.5.5054 Not tainted 6.1.118-syzkaller-00074-g3e3f2b9e9fca #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:316 [inline]
print_report+0x158/0x4e0 mm/kasan/report.c:427
kasan_report+0x13c/0x170 mm/kasan/report.c:531
__asan_report_store8_noabort+0x17/0x20 mm/kasan/report_generic.c:356
hlist_move_list include/linux/list.h:1014 [inline]
collect_expired_timers kernel/time/timer.c:1576 [inline]
__run_timers+0x34a/0xa10 kernel/time/timer.c:1812
run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
handle_softirqs+0x1db/0x650 kernel/softirq.c:617
__do_softirq kernel/softirq.c:655 [inline]
invoke_softirq kernel/softirq.c:472 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:704
irq_exit_rcu+0x9/0x10 kernel/softirq.c:716
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:avtab_search_node+0x3cd/0x5c0 security/selinux/ss/avtab.c:229
Code: ff df eb 09 e8 a4 fa 28 ff 44 8b 75 c0 49 83 c7 10 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 e6 6d 70 ff 4d 8b 3f <4d> 85 ff 0f 84 ea 00 00 00 e8 75 fa 28 ff e9 13 fe ff ff 44 89 f9
RSP: 0018:ffffc90008347508 EFLAGS: 00000246
RAX: 1ffff11021eacb29 RBX: 00000000000002d3 RCX: 0000000000080000
RDX: ffffc9000b7ea000 RSI: 000000000000d435 RDI: 000000000000d436
RBP: ffffc90008347550 R08: ffffffff824c8b3c R09: ffffc90008347b24
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 00000000000001f0 R14: 00000000000002d8 R15: 0000000000000000
context_struct_compute_av+0x62c/0x1850 security/selinux/ss/services.c:663
security_compute_av+0x3b4/0xfd0 security/selinux/ss/services.c:1159
avc_compute_av+0x9c/0x830 security/selinux/avc.c:1016
avc_has_extended_perms+0x363/0x10f0 security/selinux/avc.c:1070
ioctl_has_perm+0x3f0/0x560 security/selinux/hooks.c:3667
selinux_file_ioctl+0x3cc/0x540
security_file_ioctl+0x74/0xb0 security/security.c:1568
__do_sys_ioctl fs/ioctl.c:864 [inline]
__se_sys_ioctl+0x53/0x190 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
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: 0033:0x7faf9238592b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007faf931c6f10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faf9238592b
RDX: 00007faf931c6fd0 RSI: 0000000040085503 RDI: 0000000000000003
RBP: 00007faf931c7fe0 R08: 0000000000000080 R09: 00007faf931c6fd8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000012 R15: 00007faf9240bd08
Allocated by task 19240:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388
kasan_kmalloc include/linux/kasan.h:212 [inline]
__do_kmalloc_node mm/slab_common.c:938 [inline]
__kmalloc+0xb4/0x1e0 mm/slab_common.c:951
kmalloc include/linux/slab.h:562 [inline]
kzalloc include/linux/slab.h:693 [inline]
hci_alloc_dev_priv+0x27/0x1c00 net/bluetooth/hci_core.c:2435
hci_alloc_dev include/net/bluetooth/hci_core.h:1484 [inline]
hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:636 [inline]
hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:712 [inline]
hci_uart_tty_ioctl+0x401/0xa70 drivers/bluetooth/hci_ldisc.c:765
tty_ioctl+0x903/0xc50 drivers/tty/tty_io.c:2785
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0x114/0x190 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
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
Freed by task 19265:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
kasan_slab_free include/linux/kasan.h:178 [inline]
slab_free_hook mm/slub.c:1745 [inline]
slab_free_freelist_hook mm/slub.c:1771 [inline]
slab_free mm/slub.c:3686 [inline]
__kmem_cache_free+0x21d/0x410 mm/slub.c:3702
kfree+0x7a/0xf0 mm/slab_common.c:990
hci_release_dev+0x14d3/0x1640 net/bluetooth/hci_core.c:2763
bt_host_release+0x83/0xa0 net/bluetooth/hci_sysfs.c:92
device_release+0x95/0x1c0
kobject_cleanup lib/kobject.c:681 [inline]
kobject_release lib/kobject.c:712 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x178/0x260 lib/kobject.c:729
put_device+0x1f/0x30 drivers/base/core.c:3805
hci_dev_put include/net/bluetooth/hci_core.h:1444 [inline]
hci_dev_cmd+0x2be/0x9b0 net/bluetooth/hci_core.c:795
hci_sock_ioctl+0x415/0x7f0 net/bluetooth/hci_sock.c:1096
sock_do_ioctl+0x152/0x450 net/socket.c:1194
sock_ioctl+0x455/0x740 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0x114/0x190 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
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
Last potentially related work creation:
kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
__kasan_record_aux_stack+0xb4/0xc0 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
insert_work+0x56/0x310 kernel/workqueue.c:1368
__queue_work+0x9b6/0xd70 kernel/workqueue.c:1527
queue_work_on+0x105/0x170 kernel/workqueue.c:1555
queue_work include/linux/workqueue.h:510 [inline]
hci_cmd_sync_run net/bluetooth/hci_sync.c:140 [inline]
__hci_cmd_sync_sk+0xc2a/0xf70 net/bluetooth/hci_sync.c:162
__hci_cmd_sync_status_sk net/bluetooth/hci_sync.c:253 [inline]
__hci_cmd_sync_status net/bluetooth/hci_sync.c:277 [inline]
hci_cmd_sync_status+0x52/0x130 net/bluetooth/hci_sync.c:288
hci_dev_cmd+0x39e/0x9b0 net/bluetooth/hci_core.c:749
hci_sock_ioctl+0x415/0x7f0 net/bluetooth/hci_sock.c:1096
sock_do_ioctl+0x152/0x450 net/socket.c:1194
sock_ioctl+0x455/0x740 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0x114/0x190 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
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
Second to last potentially related work creation:
kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
__kasan_record_aux_stack+0xb4/0xc0 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
insert_work+0x56/0x310 kernel/workqueue.c:1368
__queue_work+0x9b6/0xd70 kernel/workqueue.c:1527
queue_work_on+0x105/0x170 kernel/workqueue.c:1555
queue_work include/linux/workqueue.h:510 [inline]
hci_cmd_timeout+0x199/0x200 net/bluetooth/hci_core.c:1468
process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
kthread+0x26d/0x300 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
The buggy address belongs to the object at ffff888116fc8000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
8192-byte region [ffff888116fc8000, ffff888116fca000)
The buggy address belongs to the physical page:
page:ffffea00045bf200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116fc8
head:ffffea00045bf200 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea00045d8800 dead000000000004 ffff888100043500
raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 4355, tgid 4355 (kworker/0:9), ts 1317710055702, free_ts 1317014960317
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x213/0x220 mm/page_alloc.c:2590
prep_new_page+0x1b/0x110 mm/page_alloc.c:2597
get_page_from_freelist+0x2f41/0x2fc0 mm/page_alloc.c:4462
__alloc_pages+0x234/0x610 mm/page_alloc.c:5759
alloc_slab_page+0x6c/0xf0
allocate_slab mm/slub.c:1962 [inline]
new_slab+0x90/0x3e0 mm/slub.c:2015
___slab_alloc+0x6f9/0xb80 mm/slub.c:3203
__slab_alloc+0x5d/0xa0 mm/slub.c:3302
slab_alloc_node mm/slub.c:3387 [inline]
__kmem_cache_alloc_node+0x207/0x2a0 mm/slub.c:3462
kmalloc_trace+0x2a/0xa0 mm/slab_common.c:1028
kmalloc include/linux/slab.h:557 [inline]
kzalloc include/linux/slab.h:693 [inline]
hid_allocate_device+0x50/0x2f0 drivers/hid/hid-core.c:2800
usbhid_probe+0x3e5/0xff0 drivers/hid/usbhid/hid-core.c:1358
usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:397
really_probe+0x2b8/0x920 drivers/base/dd.c:639
__driver_probe_device+0x1a0/0x310 drivers/base/dd.c:808
driver_probe_device+0x54/0x3d0 drivers/base/dd.c:838
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1498 [inline]
free_pcp_prepare mm/page_alloc.c:1572 [inline]
free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3511
free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3607
free_the_page mm/page_alloc.c:798 [inline]
__free_pages+0x61/0xf0 mm/page_alloc.c:5848
__free_slab+0xce/0x1a0 mm/slub.c:2039
free_slab mm/slub.c:2054 [inline]
discard_slab mm/slub.c:2060 [inline]
__unfreeze_partials+0x165/0x1a0 mm/slub.c:2609
put_cpu_partial+0xa9/0x100 mm/slub.c:2685
__slab_free+0x1c8/0x280 mm/slub.c:3563
do_slab_free mm/slub.c:3640 [inline]
___cache_free+0xc6/0xd0 mm/slub.c:3696
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0xc5/0x140 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x15a/0x180 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:310
kasan_slab_alloc include/linux/kasan.h:202 [inline]
slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:768
slab_alloc_node mm/slub.c:3421 [inline]
slab_alloc mm/slub.c:3431 [inline]
__kmem_cache_alloc_lru mm/slub.c:3438 [inline]
kmem_cache_alloc+0x175/0x320 mm/slub.c:3447
kmem_cache_zalloc include/linux/slab.h:683 [inline]
locks_alloc_lock fs/locks.c:270 [inline]
flock_lock_inode+0x3ad/0x14a0 fs/locks.c:1023
flock_lock_inode_wait fs/locks.c:2034 [inline]
locks_lock_inode_wait+0xee/0x400 fs/locks.c:2061
locks_lock_file_wait include/linux/fs.h:1370 [inline]
__do_sys_flock fs/locks.c:2131 [inline]
__se_sys_flock+0x4f7/0x660 fs/locks.c:2085
Memory state around the buggy address:
ffff888116fc8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888116fc8980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888116fc8a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888116fc8a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888116fc8b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 19296 Comm: syz.5.5054 Tainted: G B 6.1.118-syzkaller-00074-g3e3f2b9e9fca #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:__queue_work+0x4f1/0xd70
Code: 39 03 0f 84 40 01 00 00 e8 fc 6b 2a 00 4c 89 e7 e8 e4 d3 d6 03 49 bd 00 00 00 00 00 fc ff df 4c 8b 65 d0 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 30 df 71 00 49 8b 3e e8 98 cc d6
RSP: 0018:ffffc90000007c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff88811643a880
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc90000007d00 R08: ffffffff814b186b R09: 0000000000000007
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888116fc89c8
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888116fc89e0
FS: 00007faf931c96c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff4b5f69160 CR3: 0000000130fc1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
delayed_work_timer_fn+0x61/0x80 kernel/workqueue.c:1653
call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
expire_timers kernel/time/timer.c:1550 [inline]
__run_timers+0x756/0xa10 kernel/time/timer.c:1826
run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
handle_softirqs+0x1db/0x650 kernel/softirq.c:617
__do_softirq kernel/softirq.c:655 [inline]
invoke_softirq kernel/softirq.c:472 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:704
irq_exit_rcu+0x9/0x10 kernel/softirq.c:716
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:avtab_search_node+0x3cd/0x5c0 security/selinux/ss/avtab.c:229
Code: ff df eb 09 e8 a4 fa 28 ff 44 8b 75 c0 49 83 c7 10 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 e6 6d 70 ff 4d 8b 3f <4d> 85 ff 0f 84 ea 00 00 00 e8 75 fa 28 ff e9 13 fe ff ff 44 89 f9
RSP: 0018:ffffc90008347508 EFLAGS: 00000246
RAX: 1ffff11021eacb29 RBX: 00000000000002d3 RCX: 0000000000080000
RDX: ffffc9000b7ea000 RSI: 000000000000d435 RDI: 000000000000d436
RBP: ffffc90008347550 R08: ffffffff824c8b3c R09: ffffc90008347b24
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 00000000000001f0 R14: 00000000000002d8 R15: 0000000000000000
context_struct_compute_av+0x62c/0x1850 security/selinux/ss/services.c:663
security_compute_av+0x3b4/0xfd0 security/selinux/ss/services.c:1159
avc_compute_av+0x9c/0x830 security/selinux/avc.c:1016
avc_has_extended_perms+0x363/0x10f0 security/selinux/avc.c:1070
ioctl_has_perm+0x3f0/0x560 security/selinux/hooks.c:3667
selinux_file_ioctl+0x3cc/0x540
security_file_ioctl+0x74/0xb0 security/security.c:1568
__do_sys_ioctl fs/ioctl.c:864 [inline]
__se_sys_ioctl+0x53/0x190 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
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: 0033:0x7faf9238592b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007faf931c6f10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faf9238592b
RDX: 00007faf931c6fd0 RSI: 0000000040085503 RDI: 0000000000000003
RBP: 00007faf931c7fe0 R08: 0000000000000080 R09: 00007faf931c6fd8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000012 R15: 00007faf9240bd08
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x4f1/0xd70
Code: 39 03 0f 84 40 01 00 00 e8 fc 6b 2a 00 4c 89 e7 e8 e4 d3 d6 03 49 bd 00 00 00 00 00 fc ff df 4c 8b 65 d0 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 30 df 71 00 49 8b 3e e8 98 cc d6
RSP: 0018:ffffc90000007c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff88811643a880
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc90000007d00 R08: ffffffff814b186b R09: 0000000000000007
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888116fc89c8
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888116fc89e0
FS: 00007faf931c96c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff4b5f69160 CR3: 0000000130fc1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: df eb fucomip %st(3),%st
2: 09 e8 or %ebp,%eax
4: a4 movsb %ds:(%rsi),%es:(%rdi)
5: fa cli
6: 28 ff sub %bh,%bh
8: 44 8b 75 c0 mov -0x40(%rbp),%r14d
c: 49 83 c7 10 add $0x10,%r15
10: 4c 89 f8 mov %r15,%rax
13: 48 c1 e8 03 shr $0x3,%rax
17: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
1c: 74 08 je 0x26
1e: 4c 89 ff mov %r15,%rdi
21: e8 e6 6d 70 ff call 0xff706e0c
26: 4d 8b 3f mov (%r15),%r15
* 29: 4d 85 ff test %r15,%r15 <-- trapping instruction
2c: 0f 84 ea 00 00 00 je 0x11c
32: e8 75 fa 28 ff call 0xff28faac
37: e9 13 fe ff ff jmp 0xfffffe4f
3c: 44 89 f9 mov %r15d,%ecx