==================================================================
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 ffff888119dcca00 by task syz.2.15786/2232

CPU: 1 PID: 2232 Comm: syz.2.15786 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <IRQ>
 __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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 kernel/kcov.c:312
Code: 11 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 <55> 48 89 e5 48 8b 45 08 65 48 8b 15 90 49 92 7e 65 8b 0d 91 49 92
RSP: 0018:ffffc9000389ecd8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffea0004eeadc0 RCX: 7de604a244a5ae00
RDX: ffffc9000458f000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000389ee20 R08: dffffc0000000000 R09: fffff940009dd5b9
R10: fffff940009dd5b9 R11: 1ffffd40009dd5b8 R12: 0000000000000000
R13: ffffc9000389ed60 R14: 0000000000000cc0 R15: 0000000000000000
 shmem_get_folio_gfp+0x132c/0x2230 mm/shmem.c:1985
 shmem_get_folio mm/shmem.c:2086 [inline]
 shmem_write_begin+0xea/0x2c0 mm/shmem.c:2571
 generic_perform_write+0x2f6/0x6d0 mm/filemap.c:3882
 __generic_file_write_iter+0x227/0x580 mm/filemap.c:4011
 generic_file_write_iter+0xae/0x310 mm/filemap.c:4043
 __kernel_write_iter+0x27e/0x640 fs/read_write.c:517
 dump_emit_page fs/coredump.c:886 [inline]
 dump_user_range+0x3da/0x600 fs/coredump.c:913
 elf_core_dump+0x29e7/0x2ef0 fs/binfmt_elf.c:2354
 do_coredump+0x1557/0x21b0 fs/coredump.c:760
 get_signal+0x11db/0x1520 kernel/signal.c:2875
 arch_do_signal_or_restart+0xb0/0x1030 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
 irqentry_exit+0x12/0x40 kernel/entry/common.c:419
 exc_invalid_op+0x3e/0x50 arch/x86/kernel/traps.c:352
 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x200000000000
Code: Unable to access opcode bytes at 0x1fffffffffd6.
RSP: 002b:00007f0fa87dea78 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f0fa7be5fa0 RCX: 00007f0fa798f6c9
RDX: 00007f0fa87dea80 RSI: 00007f0fa87debb0 RDI: 000000000000000d
RBP: 00007f0fa7a11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0fa7be6038 R14: 00007f0fa7be5fa0 R15: 00007ffea99f5958
 </TASK>

Allocated by task 1887:
 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:1505 [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 1887:
 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:1465 [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+0x628/0x720 net/bluetooth/hci_core.c:-1
 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 ffff888119dcc000
 which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
 8192-byte region [ffff888119dcc000, ffff888119dce000)

The buggy address belongs to the physical page:
page:ffffea0004677200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x119dc8
head:ffffea0004677200 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 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 1827, tgid 1827 (syz-executor), ts 560574864945, free_ts 560572036141
 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+0xa1/0x1e0 mm/slab_common.c:945
 kmalloc_node include/linux/slab.h:589 [inline]
 kvmalloc_node+0x294/0x480 mm/util.c:592
 kvmalloc include/linux/slab.h:716 [inline]
 kvmalloc_array include/linux/slab.h:734 [inline]
 __ptr_ring_init_queue_alloc include/linux/ptr_ring.h:471 [inline]
 ptr_ring_init include/linux/ptr_ring.h:489 [inline]
 skb_array_init include/linux/skb_array.h:182 [inline]
 pfifo_fast_init+0x3af/0x7a0 net/sched/sch_generic.c:867
 qdisc_create_dflt+0x150/0x3b0 net/sched/sch_generic.c:1013
 attach_one_default_qdisc net/sched/sch_generic.c:1169 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline]
 attach_default_qdiscs net/sched/sch_generic.c:1187 [inline]
 dev_activate+0x2cf/0x1040 net/sched/sch_generic.c:1246
 __dev_open+0x3ce/0x4f0 net/core/dev.c:1505
 __dev_change_flags+0x21b/0x6b0 net/core/dev.c:8654
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]
 kmem_cache_alloc_node+0x181/0x340 mm/slub.c:3429
 __alloc_skb+0xea/0x4b0 net/core/skbuff.c:508
 alloc_skb include/linux/skbuff.h:1290 [inline]
 mld_newpack+0x13a/0xa10 net/ipv6/mcast.c:1745
 add_grhead+0x67/0x300 net/ipv6/mcast.c:1856

Memory state around the buggy address:
 ffff888119dcc900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888119dcc980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888119dcca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888119dcca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888119dccb00: 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: 1 PID: 2232 Comm: syz.2.15786 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 a8 dc 28 00 4c 89 ff e8 b0 09 ad 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 1c 51 6d 00 49 8b 7d 00 e8 93 05
RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff88812ea88000
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed10233b9939 R11: 1ffff110233b9939 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888119dcc9c8 R15: 0000000000000008
FS:  00007f0fa87df6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001fffffffffd6 CR3: 000000012c2e0000 CR4: 00000000003506a0
Call Trace:
 <IRQ>
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 kernel/kcov.c:312
Code: 11 10 48 89 74 11 18 48 89 44 11 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 7d 47 2f 67 <55> 48 89 e5 48 8b 45 08 65 48 8b 15 90 49 92 7e 65 8b 0d 91 49 92
RSP: 0018:ffffc9000389ecd8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffea0004eeadc0 RCX: 7de604a244a5ae00
RDX: ffffc9000458f000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000389ee20 R08: dffffc0000000000 R09: fffff940009dd5b9
R10: fffff940009dd5b9 R11: 1ffffd40009dd5b8 R12: 0000000000000000
R13: ffffc9000389ed60 R14: 0000000000000cc0 R15: 0000000000000000
 shmem_get_folio_gfp+0x132c/0x2230 mm/shmem.c:1985
 shmem_get_folio mm/shmem.c:2086 [inline]
 shmem_write_begin+0xea/0x2c0 mm/shmem.c:2571
 generic_perform_write+0x2f6/0x6d0 mm/filemap.c:3882
 __generic_file_write_iter+0x227/0x580 mm/filemap.c:4011
 generic_file_write_iter+0xae/0x310 mm/filemap.c:4043
 __kernel_write_iter+0x27e/0x640 fs/read_write.c:517
 dump_emit_page fs/coredump.c:886 [inline]
 dump_user_range+0x3da/0x600 fs/coredump.c:913
 elf_core_dump+0x29e7/0x2ef0 fs/binfmt_elf.c:2354
 do_coredump+0x1557/0x21b0 fs/coredump.c:760
 get_signal+0x11db/0x1520 kernel/signal.c:2875
 arch_do_signal_or_restart+0xb0/0x1030 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
 irqentry_exit+0x12/0x40 kernel/entry/common.c:419
 exc_invalid_op+0x3e/0x50 arch/x86/kernel/traps.c:352
 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x200000000000
Code: Unable to access opcode bytes at 0x1fffffffffd6.
RSP: 002b:00007f0fa87dea78 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f0fa7be5fa0 RCX: 00007f0fa798f6c9
RDX: 00007f0fa87dea80 RSI: 00007f0fa87debb0 RDI: 000000000000000d
RBP: 00007f0fa7a11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0fa7be6038 R14: 00007f0fa7be5fa0 R15: 00007ffea99f5958
 </TASK>
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 a8 dc 28 00 4c 89 ff e8 b0 09 ad 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 1c 51 6d 00 49 8b 7d 00 e8 93 05
RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff88812ea88000
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed10233b9939 R11: 1ffff110233b9939 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888119dcc9c8 R15: 0000000000000008
FS:  00007f0fa87df6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001fffffffffd6 CR3: 000000012c2e0000 CR4: 00000000003506a0
----------------
Code disassembly (best guess):
   0:	11 10                	adc    %edx,(%rax)
   2:	48 89 74 11 18       	mov    %rsi,0x18(%rcx,%rdx,1)
   7:	48 89 44 11 20       	mov    %rax,0x20(%rcx,%rdx,1)
   c:	5d                   	pop    %rbp
   d:	c3                   	ret
   e:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  15:	00 00 00
  18:	66 90                	xchg   %ax,%ax
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	b8 7d 47 2f 67       	mov    $0x672f477d,%eax
* 2a:	55                   	push   %rbp <-- trapping instruction
  2b:	48 89 e5             	mov    %rsp,%rbp
  2e:	48 8b 45 08          	mov    0x8(%rbp),%rax
  32:	65 48 8b 15 90 49 92 	mov    %gs:0x7e924990(%rip),%rdx        # 0x7e9249ca
  39:	7e
  3a:	65                   	gs
  3b:	8b                   	.byte 0x8b
  3c:	0d                   	.byte 0xd
  3d:	91                   	xchg   %eax,%ecx
  3e:	49 92                	xchg   %rax,%r10