==================================================================
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:1625 [inline]
BUG: KASAN: use-after-free in __run_timers+0x341/0x9b0 kernel/time/timer.c:1861
Write of size 8 at addr ffff88811e0d4a00 by task syz.1.94/704
CPU: 1 PID: 704 Comm: syz.1.94 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 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:1625 [inline]
__run_timers+0x341/0x9b0 kernel/time/timer.c:1861
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1888
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:finish_task_switch+0x173/0x7c0 kernel/sched/core.c:5302
Code: 80 3c 2b 00 74 08 4c 89 f7 e8 29 93 69 00 4d 8b 2e 4d 85 ed 0f 85 cd 00 00 00 4c 89 e7 e8 75 1b b4 03 fb 49 8d 9f 48 0b 00 00 <48> 89 d8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc90010367328 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88811e4d7088 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 00000000ffffffff
RBP: ffffc90010367370 R08: ffff88811e4d3ceb R09: 1ffff11023c9a79d
R10: dffffc0000000000 R11: ffffed1023c9a79e R12: ffff8881f6f37f00
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88811e4d6540
context_switch kernel/sched/core.c:5428 [inline]
__schedule+0xcbb/0x1700 kernel/sched/core.c:6762
preempt_schedule_irq+0xaa/0x120 kernel/sched/core.c:7074
raw_irqentry_exit_cond_resched+0x29/0x30 kernel/entry/common.c:396
irqentry_exit+0x37/0x40 kernel/entry/common.c:439
sysvec_reschedule_ipi+0x78/0x80 arch/x86/kernel/smp.c:244
asm_sysvec_reschedule_ipi+0x1b/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x1/0x90 kernel/kcov.c:312
Code: 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 50 fb 90 7e 65 8b 0d 51 fb 90 7e
RSP: 0018:ffffc90010367610 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff83ec5e60
RDX: ffffc90001f3c000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900103676f0 R08: ffffc90010367810 R09: ffffc900103677c0
R10: dffffc0000000000 R11: fffff5200206ced1 R12: ffff888136c4b310
R13: ffff888136c4b314 R14: ffff888136c4b200 R15: ffff888136c4b2d8
__unix_dgram_recvmsg+0x2f3/0xd90 net/unix/af_unix.c:2455
unix_dgram_recvmsg+0xc7/0xe0 net/unix/af_unix.c:2552
____sys_recvmsg+0x2d6/0x5c0 net/socket.c:-1
___sys_recvmsg+0x210/0x590 net/socket.c:2770
do_recvmmsg+0x370/0x7e0 net/socket.c:2864
__sys_recvmmsg net/socket.c:2943 [inline]
__do_sys_recvmmsg net/socket.c:2966 [inline]
__se_sys_recvmmsg net/socket.c:2959 [inline]
__x64_sys_recvmmsg+0x195/0x250 net/socket.c:2959
x64_sys_call+0x3e7/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:300
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbf7ed9e199
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbf7fc7d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fbf7f026090 RCX: 00007fbf7ed9e199
RDX: 0000000004000087 RSI: 00002000000000c0 RDI: 0000000000000007
RBP: 00007fbf7ee358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbf7f026128 R14: 00007fbf7f026090 R15: 00007ffedee23d18
Allocated by task 668:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:380 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
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: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:1523 [inline]
hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:669 [inline]
hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:754 [inline]
hci_uart_tty_ioctl+0x3c4/0xa70 drivers/bluetooth/hci_ldisc.c:809
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:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Freed by task 668:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
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:1483 [inline]
hci_dev_cmd+0x279/0x740 net/bluetooth/hci_core.c:795
hci_sock_ioctl+0x41e/0x7f0 net/bluetooth/hci_sock.c:1096
sock_do_ioctl+0x114/0x330 net/socket.c:1192
sock_ioctl+0x475/0x700 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:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Last potentially related work creation:
kasan_save_stack+0x3a/0x60 mm/kasan/common.c:46
__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+0x9d0/0xd50 kernel/workqueue.c:1527
queue_work_on+0xde/0x150 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+0xaa8/0xd80 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+0x642/0x740 net/bluetooth/hci_core.c:-1
hci_sock_ioctl+0x41e/0x7f0 net/bluetooth/hci_sock.c:1096
sock_do_ioctl+0x114/0x330 net/socket.c:1192
sock_ioctl+0x475/0x700 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:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Second to last potentially related work creation:
kasan_save_stack+0x3a/0x60 mm/kasan/common.c:46
__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+0x9d0/0xd50 kernel/workqueue.c:1527
queue_work_on+0xde/0x150 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+0x717/0xc30 kernel/workqueue.c:2302
worker_thread+0xa4d/0x11d0 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 ffff88811e0d4000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
8192-byte region [ffff88811e0d4000, ffff88811e0d6000)
The buggy address belongs to the physical page:
page:ffffea0004783400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11e0d0
head:ffffea0004783400 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea0004773200 dead000000000003 ffff888100043500
raw: 0000000000000000 0000000080020002 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 0x52a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 149, tgid 149 (mkdir), ts 5830842474, free_ts 0
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673
prep_new_page+0x1c/0x110 mm/page_alloc.c:2680
get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1967 [inline]
new_slab+0x98/0x3e0 mm/slub.c:2020
___slab_alloc+0x70f/0xb70 mm/slub.c:3177
__slab_alloc+0x5e/0xa0 mm/slub.c:3263
slab_alloc_node mm/slub.c:3348 [inline]
__kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
kmalloc_trace+0x29/0xb0 mm/slab_common.c:1028
kmalloc include/linux/slab.h:563 [inline]
audit_log_d_path+0xc6/0x240 kernel/audit.c:2155
dump_common_audit_data security/lsm_audit.c:223 [inline]
common_lsm_audit+0x1de/0x1730 security/lsm_audit.c:457
slow_avc_audit+0x1c4/0x240 security/selinux/avc.c:804
avc_audit security/selinux/include/avc.h:136 [inline]
avc_has_perm+0x1fb/0x250 security/selinux/avc.c:1201
inode_has_perm security/selinux/hooks.c:1638 [inline]
path_has_perm security/selinux/hooks.c:1671 [inline]
selinux_inode_getattr+0x2c3/0x3d0 security/selinux/hooks.c:3166
security_inode_getattr+0xe7/0x140 security/security.c:1362
page_owner free stack trace missing
Memory state around the buggy address:
ffff88811e0d4900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811e0d4980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88811e0d4a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88811e0d4a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811e0d4b00: 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: 704 Comm: syz.1.94 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__queue_work+0x582/0xd50 kernel/workqueue.c:-1
Code: b4 00 00 00 e8 7f 56 29 00 48 bb 00 00 00 00 00 fc ff df 4c 89 ef e8 7d 6a b9 03 4c 8b 65 d0 4c 8b 6d c0 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 00 e2 6e 00 49 8b 3e e8 18 66 b9 03
RSP: 0018:ffffc900001b0c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88811e4d6540
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: 0000000000000007 R09: 00000000fffffffb
R10: dffffc0000000000 R11: ffffed1023c1a939 R12: ffff88811e0d49c8
R13: ffff88811e985800 R14: 0000000000000000 R15: 000000007fffffff
FS: 00007fbf7fc7d6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf7fc7cff8 CR3: 0000000120853000 CR4: 00000000003506a0
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:1553
expire_timers kernel/time/timer.c:1599 [inline]
__run_timers+0x672/0x9b0 kernel/time/timer.c:1875
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1888
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:finish_task_switch+0x173/0x7c0 kernel/sched/core.c:5302
Code: 80 3c 2b 00 74 08 4c 89 f7 e8 29 93 69 00 4d 8b 2e 4d 85 ed 0f 85 cd 00 00 00 4c 89 e7 e8 75 1b b4 03 fb 49 8d 9f 48 0b 00 00 <48> 89 d8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc90010367328 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88811e4d7088 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 00000000ffffffff
RBP: ffffc90010367370 R08: ffff88811e4d3ceb R09: 1ffff11023c9a79d
R10: dffffc0000000000 R11: ffffed1023c9a79e R12: ffff8881f6f37f00
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88811e4d6540
context_switch kernel/sched/core.c:5428 [inline]
__schedule+0xcbb/0x1700 kernel/sched/core.c:6762
preempt_schedule_irq+0xaa/0x120 kernel/sched/core.c:7074
raw_irqentry_exit_cond_resched+0x29/0x30 kernel/entry/common.c:396
irqentry_exit+0x37/0x40 kernel/entry/common.c:439
sysvec_reschedule_ipi+0x78/0x80 arch/x86/kernel/smp.c:244
asm_sysvec_reschedule_ipi+0x1b/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x1/0x90 kernel/kcov.c:312
Code: 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 50 fb 90 7e 65 8b 0d 51 fb 90 7e
RSP: 0018:ffffc90010367610 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff83ec5e60
RDX: ffffc90001f3c000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900103676f0 R08: ffffc90010367810 R09: ffffc900103677c0
R10: dffffc0000000000 R11: fffff5200206ced1 R12: ffff888136c4b310
R13: ffff888136c4b314 R14: ffff888136c4b200 R15: ffff888136c4b2d8
__unix_dgram_recvmsg+0x2f3/0xd90 net/unix/af_unix.c:2455
unix_dgram_recvmsg+0xc7/0xe0 net/unix/af_unix.c:2552
____sys_recvmsg+0x2d6/0x5c0 net/socket.c:-1
___sys_recvmsg+0x210/0x590 net/socket.c:2770
do_recvmmsg+0x370/0x7e0 net/socket.c:2864
__sys_recvmmsg net/socket.c:2943 [inline]
__do_sys_recvmmsg net/socket.c:2966 [inline]
__se_sys_recvmmsg net/socket.c:2959 [inline]
__x64_sys_recvmmsg+0x195/0x250 net/socket.c:2959
x64_sys_call+0x3e7/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:300
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbf7ed9e199
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbf7fc7d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fbf7f026090 RCX: 00007fbf7ed9e199
RDX: 0000000004000087 RSI: 00002000000000c0 RDI: 0000000000000007
RBP: 00007fbf7ee358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbf7f026128 R14: 00007fbf7f026090 R15: 00007ffedee23d18
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x582/0xd50 kernel/workqueue.c:-1
Code: b4 00 00 00 e8 7f 56 29 00 48 bb 00 00 00 00 00 fc ff df 4c 89 ef e8 7d 6a b9 03 4c 8b 65 d0 4c 8b 6d c0 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 00 e2 6e 00 49 8b 3e e8 18 66 b9 03
RSP: 0018:ffffc900001b0c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88811e4d6540
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: 0000000000000007 R09: 00000000fffffffb
R10: dffffc0000000000 R11: ffffed1023c1a939 R12: ffff88811e0d49c8
R13: ffff88811e985800 R14: 0000000000000000 R15: 000000007fffffff
FS: 00007fbf7fc7d6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf7fc7cff8 CR3: 0000000120853000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 80 3c 2b 00 cmpb $0x0,(%rbx,%rbp,1)
4: 74 08 je 0xe
6: 4c 89 f7 mov %r14,%rdi
9: e8 29 93 69 00 call 0x699337
e: 4d 8b 2e mov (%r14),%r13
11: 4d 85 ed test %r13,%r13
14: 0f 85 cd 00 00 00 jne 0xe7
1a: 4c 89 e7 mov %r12,%rdi
1d: e8 75 1b b4 03 call 0x3b41b97
22: fb sti
23: 49 8d 9f 48 0b 00 00 lea 0xb48(%r15),%rbx
* 2a: 48 89 d8 mov %rbx,%rax <-- trapping instruction
2d: 48 c1 e8 03 shr $0x3,%rax
31: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
38: fc ff df
3b: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax