==================================================================
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+0x32b/0x9a0 kernel/time/timer.c:1812
Write of size 8 at addr ffff888124c38a00 by task syz.5.7586/30107
CPU: 0 PID: 30107 Comm: syz.5.7586 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
print_address_description+0x71/0x200 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:420
kasan_report+0x122/0x150 mm/kasan/report.c:524
__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+0x32b/0x9a0 kernel/time/timer.c:1812
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1839
handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
__do_softirq kernel/softirq.c:680 [inline]
invoke_softirq kernel/softirq.c:497 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729
irq_exit_rcu+0x9/0x10 kernel/softirq.c:741
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:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:folio_test_locked include/linux/page-flags.h:479 [inline]
RIP: 0010:next_uptodate_page+0x102/0x890 mm/filemap.c:3415
Code: 4c 89 f7 be 08 00 00 00 e8 ab cc 18 00 4c 89 f0 48 c1 e8 03 48 89 45 a0 42 80 3c 38 00 74 08 4c 89 f7 e8 21 ca 18 00 49 8b 1e <48> 89 de 48 83 e6 01 31 ff e8 80 5f d4 ff 48 83 e3 01 0f 85 83 00
RSP: 0000:ffffc90002af7950 EFLAGS: 00000246
RAX: 1ffffd40008956a8 RBX: 6600000000002056 RCX: ffffffff819bc315
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea00044ab540
RBP: ffffc90002af79d0 R08: dffffc0000000000 R09: fffff940008956a9
R10: fffff940008956a9 R11: 1ffffd40008956a8 R12: ffffc90002af7ad8
R13: ffffc90002af7ac8 R14: ffffea00044ab540 R15: dffffc0000000000
next_map_page mm/filemap.c:3455 [inline]
filemap_map_pages+0xf00/0x12e0 mm/filemap.c:3531
do_fault_around mm/memory.c:4693 [inline]
do_read_fault mm/memory.c:4728 [inline]
do_fault+0xf57/0x1df0 mm/memory.c:4875
handle_pte_fault mm/memory.c:5171 [inline]
__handle_mm_fault mm/memory.c:5313 [inline]
handle_mm_fault+0x12fa/0x2640 mm/memory.c:5453
do_user_addr_fault+0x905/0x1050 arch/x86/mm/fault.c:1323
handle_page_fault arch/x86/mm/fault.c:1466 [inline]
exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1522
asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f3f85a6f1ed
Code: ff 48 83 e8 01 48 89 ee bf 01 00 00 00 48 c1 e0 0e 48 c1 ee 06 48 01 c8 48 89 e9 81 e6 ff 3f 00 00 48 c1 e9 03 83 e1 07 d3 e7 <40> 84 bc 06 20 20 00 00 0f 85 11 fd ff ff e9 c0 fd ff ff e8 1b 2a
RSP: 002b:00007ffc6db95230 EFLAGS: 00010202
RAX: 000000110c308000 RBX: 00007f3f86915720 RCX: 0000000000000004
RDX: 0000000000001163 RSI: 0000000000003f45 RDI: 0000000000000010
RBP: ffffffff83dfd163 R08: 00007f3f85de6038 R09: 00007f3f85dd2000
R10: 00007f3f855ff008 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff83dfda65 R15: 000000000000013c
Allocated by task 30043:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:388
kasan_kmalloc include/linux/kasan.h:212 [inline]
__do_kmalloc_node mm/slab_common.c:938 [inline]
__kmalloc+0xb1/0x1e0 mm/slab_common.c:951
kmalloc include/linux/slab.h:568 [inline]
kzalloc include/linux/slab.h:699 [inline]
hci_alloc_dev_priv+0x27/0x1bd0 net/bluetooth/hci_core.c:2433
hci_alloc_dev include/net/bluetooth/hci_core.h:1484 [inline]
hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:641 [inline]
hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:719 [inline]
hci_uart_tty_ioctl+0x3d6/0xa20 drivers/bluetooth/hci_ldisc.c:774
tty_ioctl+0x8ef/0xc60 drivers/tty/tty_io.c:2785
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Freed by task 30043:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_free_info+0x31/0x50 mm/kasan/generic.c:516
____kasan_slab_free+0x132/0x180 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:1750 [inline]
slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
slab_free mm/slub.c:3712 [inline]
__kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
kfree+0x6f/0xf0 mm/slab_common.c:990
hci_release_dev+0x12a3/0x13b0 net/bluetooth/hci_core.c:2761
bt_host_release+0x82/0x90 net/bluetooth/hci_sysfs.c:85
device_release+0xa4/0x1d0 drivers/base/core.c:-1
kobject_cleanup lib/kobject.c:681 [inline]
kobject_release lib/kobject.c:712 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x19d/0x280 lib/kobject.c:729
put_device+0x1f/0x30 drivers/base/core.c:3806
hci_dev_put include/net/bluetooth/hci_core.h:1444 [inline]
hci_dev_cmd+0x265/0x720 net/bluetooth/hci_core.c:795
hci_sock_ioctl+0x41e/0x7f0 net/bluetooth/hci_sock.c:1096
sock_do_ioctl+0x101/0x310 net/socket.c:1194
sock_ioctl+0x4d8/0x6e0 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Last potentially related work creation:
kasan_save_stack+0x3a/0x60 mm/kasan/common.c:45
__kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
insert_work+0x51/0x300 kernel/workqueue.c:1368
__queue_work+0x9b1/0xd30 kernel/workqueue.c:1527
queue_work_on+0xd2/0x140 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+0xa3e/0xcf0 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+0x53/0x120 net/bluetooth/hci_sync.c:288
hci_dev_cmd+0x33b/0x720 net/bluetooth/hci_core.c:749
hci_sock_ioctl+0x41e/0x7f0 net/bluetooth/hci_sock.c:1096
sock_do_ioctl+0x101/0x310 net/socket.c:1194
sock_ioctl+0x4d8/0x6e0 net/socket.c:1311
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856
__x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Second to last potentially related work creation:
kasan_save_stack+0x3a/0x60 mm/kasan/common.c:45
__kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
insert_work+0x51/0x300 kernel/workqueue.c:1368
__queue_work+0x9b1/0xd30 kernel/workqueue.c:1527
queue_work_on+0xd2/0x140 kernel/workqueue.c:1555
queue_work include/linux/workqueue.h:510 [inline]
hci_cmd_timeout+0x191/0x200 net/bluetooth/hci_core.c:1468
process_one_work+0x71f/0xc40 kernel/workqueue.c:2302
worker_thread+0xa29/0x11f0 kernel/workqueue.c:2449
kthread+0x281/0x320 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
The buggy address belongs to the object at ffff888124c38000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
8192-byte region [ffff888124c38000, ffff888124c3a000)
The buggy address belongs to the physical page:
page:ffffea0004930e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x124c38
head:ffffea0004930e00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea000461fa00 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 28292, tgid 28288 (syz.4.7122), ts 2439863553783, free_ts 2437097881301
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2643
prep_new_page+0x1c/0x110 mm/page_alloc.c:2650
get_page_from_freelist+0x2c7b/0x2cf0 mm/page_alloc.c:4554
__alloc_pages+0x1c3/0x450 mm/page_alloc.c:5868
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1967 [inline]
new_slab+0x98/0x3d0 mm/slub.c:2020
___slab_alloc+0x6bd/0xb20 mm/slub.c:3177
__slab_alloc+0x5e/0xa0 mm/slub.c:3263
slab_alloc_node mm/slub.c:3348 [inline]
__kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3423
__do_kmalloc_node mm/slab_common.c:937 [inline]
__kmalloc_node_track_caller+0xa0/0x1e0 mm/slab_common.c:958
kmemdup+0x2b/0x60 mm/util.c:134
kmemdup include/linux/fortify-string.h:585 [inline]
ipv4_sysctl_init_net+0x40/0x310 net/ipv4/sysctl_net_ipv4.c:1401
ops_init+0x1c8/0x4a0 net/core/net_namespace.c:138
setup_net+0x4ab/0xcb0 net/core/net_namespace.c:335
copy_net_ns+0x355/0x5c0 net/core/net_namespace.c:481
create_new_namespaces+0x3a2/0x660 kernel/nsproxy.c:110
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1551 [inline]
free_pcp_prepare mm/page_alloc.c:1625 [inline]
free_unref_page_prepare+0x742/0x750 mm/page_alloc.c:3589
free_unref_page+0x8f/0x530 mm/page_alloc.c:3687
free_the_page mm/page_alloc.c:836 [inline]
__free_pages+0x67/0x100 mm/page_alloc.c:5957
__free_slab+0xca/0x1a0 mm/slub.c:2044
free_slab mm/slub.c:2059 [inline]
discard_slab mm/slub.c:2065 [inline]
__unfreeze_partials+0x160/0x190 mm/slub.c:2614
put_cpu_partial+0xa9/0x100 mm/slub.c:2690
__slab_free+0x1c4/0x280 mm/slub.c:3589
do_slab_free mm/slub.c:3666 [inline]
___cache_free+0xbf/0xd0 mm/slub.c:3722
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x14a/0x170 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+0x4f/0x2d0 mm/slab.h:768
slab_alloc_node mm/slub.c:3382 [inline]
slab_alloc mm/slub.c:3392 [inline]
__kmem_cache_alloc_lru mm/slub.c:3399 [inline]
kmem_cache_alloc+0x16e/0x330 mm/slub.c:3408
getname_flags+0xb9/0x500 fs/namei.c:139
user_path_at_empty+0x30/0x1c0 fs/namei.c:2903
user_path_at include/linux/namei.h:57 [inline]
__do_sys_chdir fs/open.c:515 [inline]
__se_sys_chdir+0x91/0x280 fs/open.c:509
Memory state around the buggy address:
ffff888124c38900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888124c38980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888124c38a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888124c38a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888124c38b00: 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: 30107 Comm: syz.5.7586 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__queue_work+0x575/0xd30 kernel/workqueue.c:-1
Code: 39 2b 0f 84 b9 00 00 00 e8 88 dc 28 00 4c 89 ff e8 70 db ac 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 ac 4b 6d 00 49 8b 7d 00 e8 53 d7
RSP: 0000:ffffc90000007c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff8881244e3cc0
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed1024987139 R11: 1ffff11024987139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888124c389c8 R15: 0000000000000008
FS: 000055557aee7500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30df65 CR3: 00000001158ff000 CR4: 00000000003526b0
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+0x46/0x2a0 kernel/time/timer.c:1510
expire_timers kernel/time/timer.c:1550 [inline]
__run_timers+0x667/0x9a0 kernel/time/timer.c:1826
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1839
handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
__do_softirq kernel/softirq.c:680 [inline]
invoke_softirq kernel/softirq.c:497 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729
irq_exit_rcu+0x9/0x10 kernel/softirq.c:741
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:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:folio_test_locked include/linux/page-flags.h:479 [inline]
RIP: 0010:next_uptodate_page+0x102/0x890 mm/filemap.c:3415
Code: 4c 89 f7 be 08 00 00 00 e8 ab cc 18 00 4c 89 f0 48 c1 e8 03 48 89 45 a0 42 80 3c 38 00 74 08 4c 89 f7 e8 21 ca 18 00 49 8b 1e <48> 89 de 48 83 e6 01 31 ff e8 80 5f d4 ff 48 83 e3 01 0f 85 83 00
RSP: 0000:ffffc90002af7950 EFLAGS: 00000246
RAX: 1ffffd40008956a8 RBX: 6600000000002056 RCX: ffffffff819bc315
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea00044ab540
RBP: ffffc90002af79d0 R08: dffffc0000000000 R09: fffff940008956a9
R10: fffff940008956a9 R11: 1ffffd40008956a8 R12: ffffc90002af7ad8
R13: ffffc90002af7ac8 R14: ffffea00044ab540 R15: dffffc0000000000
next_map_page mm/filemap.c:3455 [inline]
filemap_map_pages+0xf00/0x12e0 mm/filemap.c:3531
do_fault_around mm/memory.c:4693 [inline]
do_read_fault mm/memory.c:4728 [inline]
do_fault+0xf57/0x1df0 mm/memory.c:4875
handle_pte_fault mm/memory.c:5171 [inline]
__handle_mm_fault mm/memory.c:5313 [inline]
handle_mm_fault+0x12fa/0x2640 mm/memory.c:5453
do_user_addr_fault+0x905/0x1050 arch/x86/mm/fault.c:1323
handle_page_fault arch/x86/mm/fault.c:1466 [inline]
exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1522
asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f3f85a6f1ed
Code: ff 48 83 e8 01 48 89 ee bf 01 00 00 00 48 c1 e0 0e 48 c1 ee 06 48 01 c8 48 89 e9 81 e6 ff 3f 00 00 48 c1 e9 03 83 e1 07 d3 e7 <40> 84 bc 06 20 20 00 00 0f 85 11 fd ff ff e9 c0 fd ff ff e8 1b 2a
RSP: 002b:00007ffc6db95230 EFLAGS: 00010202
RAX: 000000110c308000 RBX: 00007f3f86915720 RCX: 0000000000000004
RDX: 0000000000001163 RSI: 0000000000003f45 RDI: 0000000000000010
RBP: ffffffff83dfd163 R08: 00007f3f85de6038 R09: 00007f3f85dd2000
R10: 00007f3f855ff008 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff83dfda65 R15: 000000000000013c
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x575/0xd30 kernel/workqueue.c:-1
Code: 39 2b 0f 84 b9 00 00 00 e8 88 dc 28 00 4c 89 ff e8 70 db ac 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 ac 4b 6d 00 49 8b 7d 00 e8 53 d7
RSP: 0000:ffffc90000007c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff8881244e3cc0
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed1024987139 R11: 1ffff11024987139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888124c389c8 R15: 0000000000000008
FS: 000055557aee7500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30df65 CR3: 00000001158ff000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 4c 89 f7 mov %r14,%rdi
3: be 08 00 00 00 mov $0x8,%esi
8: e8 ab cc 18 00 call 0x18ccb8
d: 4c 89 f0 mov %r14,%rax
10: 48 c1 e8 03 shr $0x3,%rax
14: 48 89 45 a0 mov %rax,-0x60(%rbp)
18: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
1d: 74 08 je 0x27
1f: 4c 89 f7 mov %r14,%rdi
22: e8 21 ca 18 00 call 0x18ca48
27: 49 8b 1e mov (%r14),%rbx
* 2a: 48 89 de mov %rbx,%rsi <-- trapping instruction
2d: 48 83 e6 01 and $0x1,%rsi
31: 31 ff xor %edi,%edi
33: e8 80 5f d4 ff call 0xffd45fb8
38: 48 83 e3 01 and $0x1,%rbx
3c: 0f .byte 0xf
3d: 85 .byte 0x85
3e: 83 .byte 0x83