==================================================================
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 ffff888118f68a00 by task syz.9.13176/9364
CPU: 1 PID: 9364 Comm: syz.9.13176 Tainted: G W 6.1.134-syzkaller-00012-g646380b087a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
print_address_description+0x71/0x210 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:427
kasan_report+0x122/0x150 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+0x32b/0x9a0 kernel/time/timer.c:1812
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1839
handle_softirqs+0x1d7/0x600 kernel/softirq.c:624
__do_softirq kernel/softirq.c:662 [inline]
invoke_softirq kernel/softirq.c:479 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:711
irq_exit_rcu+0x9/0x10 kernel/softirq.c:723
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:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x7f/0x290 mm/kasan/generic.c:189
Code: 5c 37 ff 48 c1 eb 03 4e 8d 14 3b 4d 89 d6 4d 29 ce 49 83 fe 10 7f 26 4d 85 f6 0f 84 39 01 00 00 48 f7 d3 4c 01 db 41 80 39 00 <0f> 85 c2 01 00 00 49 ff c1 48 ff c3 75 ee e9 1c 01 00 00 44 89 cb
RSP: 0018:ffffc9000ab37570 EFLAGS: 00000246
RAX: ffffc9000ab37601 RBX: fffffffffffffffe RCX: ffffffff82365808
RDX: 0000000000000001 RSI: 0000000000000038 RDI: ffffc9000ab37640
RBP: ffffc9000ab37588 R08: dffffc0000000000 R09: fffff52001566ecd
R10: fffff52001566ecf R11: 1ffff92001566ec8 R12: 1ffff92001566ebc
R13: dffffc0000000000 R14: 0000000000000007 R15: dffffc0000000001
memset+0x23/0x40 mm/kasan/shadow.c:44
selinux_socket_unix_may_send+0x128/0x280 security/selinux/hooks.c:5042
security_unix_may_send+0x7c/0xb0 security/security.c:2231
unix_dgram_sendmsg+0xc11/0x18e0 net/unix/af_unix.c:2011
sock_sendmsg_nosec net/socket.c:716 [inline]
__sock_sendmsg net/socket.c:728 [inline]
____sys_sendmsg+0x5a9/0x990 net/socket.c:2509
___sys_sendmsg+0x21c/0x290 net/socket.c:2563
__sys_sendmmsg+0x274/0x460 net/socket.c:2649
__do_sys_sendmmsg net/socket.c:2678 [inline]
__se_sys_sendmmsg net/socket.c:2675 [inline]
__x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2675
x64_sys_call+0x3f5/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:308
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
RIP: 0033:0x7f7c4a38e969
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7c4b255038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f7c4a5b5fa0 RCX: 00007f7c4a38e969
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007f7c4a410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7c4a5b5fa0 R15: 00007ffc23897a18
Allocated by task 9256:
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: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+0x3c8/0xa00 drivers/bluetooth/hci_ldisc.c:765
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 9256:
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:1745 [inline]
slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1771
slab_free mm/slub.c:3686 [inline]
__kmem_cache_free+0xb7/0x1b0 mm/slub.c:3702
kfree+0x6f/0xf0 mm/slab_common.c:990
hci_release_dev+0x13ad/0x1500 net/bluetooth/hci_core.c:2763
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+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:2299
worker_thread+0xa29/0x11f0 kernel/workqueue.c:2446
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 ffff888118f68000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
8192-byte region [ffff888118f68000, ffff888118f6a000)
The buggy address belongs to the physical page:
page:ffffea000463da00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x118f68
head:ffffea000463da00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000001 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 7975, tgid 7974 (syz.0.12714), ts 2692794554511, free_ts 2603742299779
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2637
prep_new_page+0x1c/0x110 mm/page_alloc.c:2644
get_page_from_freelist+0x2c6e/0x2ce0 mm/page_alloc.c:4539
__alloc_pages+0x19e/0x3a0 mm/page_alloc.c:5838
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1962 [inline]
new_slab+0x98/0x3d0 mm/slub.c:2015
___slab_alloc+0x6f6/0xb50 mm/slub.c:3203
__slab_alloc+0x5e/0xa0 mm/slub.c:3302
slab_alloc_node mm/slub.c:3387 [inline]
__kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3462
__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+0x112/0x7a0 net/sched/sch_generic.c:867
qdisc_create_dflt+0x150/0x3b0 net/sched/sch_generic.c:1013
mq_init+0x2df/0x670 net/sched/sch_mq.c:90
qdisc_create_dflt+0x150/0x3b0 net/sched/sch_generic.c:1013
attach_default_qdiscs net/sched/sch_generic.c:1192 [inline]
dev_activate+0x12d/0x1040 net/sched/sch_generic.c:1246
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1545 [inline]
free_pcp_prepare mm/page_alloc.c:1619 [inline]
free_unref_page_prepare+0x742/0x750 mm/page_alloc.c:3581
free_unref_page+0x8f/0x530 mm/page_alloc.c:3677
free_the_page mm/page_alloc.c:830 [inline]
__free_pages+0x67/0x100 mm/page_alloc.c:5927
__free_slab+0xca/0x1a0 mm/slub.c:2039
free_slab mm/slub.c:2054 [inline]
discard_slab+0x29/0x40 mm/slub.c:2060
__slab_free+0x201/0x280 mm/slub.c:3599
do_slab_free mm/slub.c:3640 [inline]
___cache_free+0xbf/0xd0 mm/slub.c:3696
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:3421 [inline]
__kmem_cache_alloc_node+0x192/0x2c0 mm/slub.c:3462
kmalloc_trace+0x29/0xb0 mm/slab_common.c:1028
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:699 [inline]
kobject_uevent_env+0x287/0x730 lib/kobject_uevent.c:539
kobject_uevent+0x1d/0x30 lib/kobject_uevent.c:657
device_del+0xd38/0xeb0 drivers/base/core.c:3906
Memory state around the buggy address:
ffff888118f68900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888118f68980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888118f68a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888118f68a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888118f68b00: 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: 9364 Comm: syz.9.13176 Tainted: G B W 6.1.134-syzkaller-00012-g646380b087a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:__queue_work+0x575/0xd30 kernel/workqueue.c:-1
Code: 39 2b 0f 84 b9 00 00 00 e8 58 ce 28 00 4c 89 ff e8 30 7d a8 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 6c 20 6d 00 49 8b 7d 00 e8 13 79
RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff88812cb62880
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed10231ed139 R11: 1ffff110231ed139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888118f689c8 R15: 0000000000000008
FS: 00007f7c4b2556c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011ea48000 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: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:624
__do_softirq kernel/softirq.c:662 [inline]
invoke_softirq kernel/softirq.c:479 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:711
irq_exit_rcu+0x9/0x10 kernel/softirq.c:723
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:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x7f/0x290 mm/kasan/generic.c:189
Code: 5c 37 ff 48 c1 eb 03 4e 8d 14 3b 4d 89 d6 4d 29 ce 49 83 fe 10 7f 26 4d 85 f6 0f 84 39 01 00 00 48 f7 d3 4c 01 db 41 80 39 00 <0f> 85 c2 01 00 00 49 ff c1 48 ff c3 75 ee e9 1c 01 00 00 44 89 cb
RSP: 0018:ffffc9000ab37570 EFLAGS: 00000246
RAX: ffffc9000ab37601 RBX: fffffffffffffffe RCX: ffffffff82365808
RDX: 0000000000000001 RSI: 0000000000000038 RDI: ffffc9000ab37640
RBP: ffffc9000ab37588 R08: dffffc0000000000 R09: fffff52001566ecd
R10: fffff52001566ecf R11: 1ffff92001566ec8 R12: 1ffff92001566ebc
R13: dffffc0000000000 R14: 0000000000000007 R15: dffffc0000000001
memset+0x23/0x40 mm/kasan/shadow.c:44
selinux_socket_unix_may_send+0x128/0x280 security/selinux/hooks.c:5042
security_unix_may_send+0x7c/0xb0 security/security.c:2231
unix_dgram_sendmsg+0xc11/0x18e0 net/unix/af_unix.c:2011
sock_sendmsg_nosec net/socket.c:716 [inline]
__sock_sendmsg net/socket.c:728 [inline]
____sys_sendmsg+0x5a9/0x990 net/socket.c:2509
___sys_sendmsg+0x21c/0x290 net/socket.c:2563
__sys_sendmmsg+0x274/0x460 net/socket.c:2649
__do_sys_sendmmsg net/socket.c:2678 [inline]
__se_sys_sendmmsg net/socket.c:2675 [inline]
__x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2675
x64_sys_call+0x3f5/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:308
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
RIP: 0033:0x7f7c4a38e969
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7c4b255038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f7c4a5b5fa0 RCX: 00007f7c4a38e969
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007f7c4a410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7c4a5b5fa0 R15: 00007ffc23897a18
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 58 ce 28 00 4c 89 ff e8 30 7d a8 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 6c 20 6d 00 49 8b 7d 00 e8 13 79
RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff88812cb62880
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed10231ed139 R11: 1ffff110231ed139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888118f689c8 R15: 0000000000000008
FS: 00007f7c4b2556c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011ea48000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
0: ff 48 c1 decl -0x3f(%rax)
3: eb 03 jmp 0x8
5: 4e 8d 14 3b lea (%rbx,%r15,1),%r10
9: 4d 89 d6 mov %r10,%r14
c: 4d 29 ce sub %r9,%r14
f: 49 83 fe 10 cmp $0x10,%r14
13: 7f 26 jg 0x3b
15: 4d 85 f6 test %r14,%r14
18: 0f 84 39 01 00 00 je 0x157
1e: 48 f7 d3 not %rbx
21: 4c 01 db add %r11,%rbx
24: 41 80 39 00 cmpb $0x0,(%r9)
* 28: 0f 85 c2 01 00 00 jne 0x1f0 <-- trapping instruction
2e: 49 ff c1 inc %r9
31: 48 ff c3 inc %rbx
34: 75 ee jne 0x24
36: e9 1c 01 00 00 jmp 0x157
3b: 44 89 cb mov %r9d,%ebx