==================================================================
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 ffff88811f13ca00 by task syz-executor/288
CPU: 1 PID: 288 Comm: syz-executor 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+0x1dd/0x5f0 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:__pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline]
RIP: 0010:protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline]
RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:190 [inline]
RIP: 0010:vm_normal_page+0x29/0x200 mm/memory.c:634
Code: b8 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 49 89 d6 48 89 f3 49 89 ff e8 b4 96 c6 ff 31 ff 4c 89 f6 e8 6a 9b c6 ff 4d 85 f6 <41> 0f 95 c4 4c 89 f6 48 83 e6 01 41 0f 94 c5 31 ff e8 51 9b c6 ff
RSP: 0018:ffffc9000dacf680 EFLAGS: 00000282
RAX: ffffffff81aad826 RBX: 00007f6ef6ef3000 RCX: ffff88810dced100
RDX: 0000000000000000 RSI: 800000013024e007 RDI: 0000000000000000
RBP: ffffc9000dacf6b0 R08: ffffea0004c09347 R09: 1ffffd4000981268
R10: dffffc0000000000 R11: fffff94000981269 R12: ffff888117d93548
R13: dffffc0000000000 R14: 800000013024e007 R15: ffff888127fd2318
copy_present_pte mm/memory.c:977 [inline]
copy_pte_range mm/memory.c:1111 [inline]
copy_pmd_range mm/memory.c:1197 [inline]
copy_pud_range mm/memory.c:1234 [inline]
copy_p4d_range mm/memory.c:1258 [inline]
copy_page_range+0x102e/0x27f0 mm/memory.c:1356
dup_mmap kernel/fork.c:778 [inline]
dup_mm kernel/fork.c:1672 [inline]
copy_mm+0xf90/0x1ad0 kernel/fork.c:1724
copy_process+0x12d8/0x3500 kernel/fork.c:2487
kernel_clone+0x22f/0x7f0 kernel/fork.c:2903
__do_sys_clone kernel/fork.c:3046 [inline]
__se_sys_clone kernel/fork.c:3030 [inline]
__x64_sys_clone+0x193/0x200 kernel/fork.c:3030
x64_sys_call+0x990/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
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: 0033:0x7f6ef7dc7fd2
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffc77c9e0b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffc77c9e0b0 RCX: 00007f6ef7dc7fd2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc77c9e23c R08: 0000000000000000 R09: 0000000000000001
R10: 00005555678267d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 000000000004692e R15: 00007ffc77c9e290
Allocated by task 3191:
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 3191:
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 ffff88811f13c000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
8192-byte region [ffff88811f13c000, ffff88811f13e000)
The buggy address belongs to the physical page:
page:ffffea00047c4e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f138
head:ffffea00047c4e00 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 3191, tgid 3189 (syz.4.859), ts 286981334378, free_ts 286819200338
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
__do_kmalloc_node mm/slab_common.c:937 [inline]
__kmalloc+0xa4/0x1e0 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
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1581 [inline]
free_pcp_prepare mm/page_alloc.c:1655 [inline]
free_unref_page_prepare+0x81b/0x820 mm/page_alloc.c:3622
free_unref_page+0x93/0x530 mm/page_alloc.c:3720
free_the_page mm/page_alloc.c:863 [inline]
__free_pages+0x67/0x100 mm/page_alloc.c:6021
__free_slab+0xc7/0x1a0 mm/slub.c:2044
free_slab mm/slub.c:2059 [inline]
discard_slab+0x29/0x40 mm/slub.c:2065
__slab_free+0x201/0x280 mm/slub.c:3625
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:311
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+0x166/0x320 mm/slub.c:3408
anon_vma_chain_alloc mm/rmap.c:145 [inline]
__anon_vma_prepare+0x51/0x410 mm/rmap.c:199
anon_vma_prepare include/linux/rmap.h:164 [inline]
do_anonymous_page mm/memory.c:4284 [inline]
handle_pte_fault mm/memory.c:5181 [inline]
__handle_mm_fault mm/memory.c:5325 [inline]
handle_mm_fault+0x2488/0x26b0 mm/memory.c:5465
do_user_addr_fault+0x61e/0x1030 arch/x86/mm/fault.c:1372
handle_page_fault arch/x86/mm/fault.c:1464 [inline]
exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1517
Memory state around the buggy address:
ffff88811f13c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811f13c980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88811f13ca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88811f13ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811f13cb00: 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: 288 Comm: syz-executor 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 1f 57 29 00 48 bb 00 00 00 00 00 fc ff df 4c 89 ef e8 8d da 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 c0 f0 6e 00 49 8b 3e e8 28 d6 b9 03
RSP: 0018:ffffc900001b0c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88810dced100
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: 0000000000000007 R09: 00000000fffffffb
R10: dffffc0000000000 R11: ffffed1023e27939 R12: ffff88811f13c9c8
R13: ffff888132fa0800 R14: 0000000000000000 R15: 000000007fffffff
FS: 0000555567826500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ef8b556c8 CR3: 0000000130367000 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+0x1dd/0x5f0 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:__pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline]
RIP: 0010:protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline]
RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:190 [inline]
RIP: 0010:vm_normal_page+0x29/0x200 mm/memory.c:634
Code: b8 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 49 89 d6 48 89 f3 49 89 ff e8 b4 96 c6 ff 31 ff 4c 89 f6 e8 6a 9b c6 ff 4d 85 f6 <41> 0f 95 c4 4c 89 f6 48 83 e6 01 41 0f 94 c5 31 ff e8 51 9b c6 ff
RSP: 0018:ffffc9000dacf680 EFLAGS: 00000282
RAX: ffffffff81aad826 RBX: 00007f6ef6ef3000 RCX: ffff88810dced100
RDX: 0000000000000000 RSI: 800000013024e007 RDI: 0000000000000000
RBP: ffffc9000dacf6b0 R08: ffffea0004c09347 R09: 1ffffd4000981268
R10: dffffc0000000000 R11: fffff94000981269 R12: ffff888117d93548
R13: dffffc0000000000 R14: 800000013024e007 R15: ffff888127fd2318
copy_present_pte mm/memory.c:977 [inline]
copy_pte_range mm/memory.c:1111 [inline]
copy_pmd_range mm/memory.c:1197 [inline]
copy_pud_range mm/memory.c:1234 [inline]
copy_p4d_range mm/memory.c:1258 [inline]
copy_page_range+0x102e/0x27f0 mm/memory.c:1356
dup_mmap kernel/fork.c:778 [inline]
dup_mm kernel/fork.c:1672 [inline]
copy_mm+0xf90/0x1ad0 kernel/fork.c:1724
copy_process+0x12d8/0x3500 kernel/fork.c:2487
kernel_clone+0x22f/0x7f0 kernel/fork.c:2903
__do_sys_clone kernel/fork.c:3046 [inline]
__se_sys_clone kernel/fork.c:3030 [inline]
__x64_sys_clone+0x193/0x200 kernel/fork.c:3030
x64_sys_call+0x990/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
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: 0033:0x7f6ef7dc7fd2
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffc77c9e0b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffc77c9e0b0 RCX: 00007f6ef7dc7fd2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc77c9e23c R08: 0000000000000000 R09: 0000000000000001
R10: 00005555678267d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 000000000004692e R15: 00007ffc77c9e290
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x582/0xd50 kernel/workqueue.c:-1
Code: b4 00 00 00 e8 1f 57 29 00 48 bb 00 00 00 00 00 fc ff df 4c 89 ef e8 8d da 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 c0 f0 6e 00 49 8b 3e e8 28 d6 b9 03
RSP: 0018:ffffc900001b0c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88810dced100
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: 0000000000000007 R09: 00000000fffffffb
R10: dffffc0000000000 R11: ffffed1023e27939 R12: ffff88811f13c9c8
R13: ffff888132fa0800 R14: 0000000000000000 R15: 000000007fffffff
FS: 0000555567826500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ef8b556c8 CR3: 0000000130367000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: b8 55 48 89 e5 mov $0xe5894855,%eax
5: 41 57 push %r15
7: 41 56 push %r14
9: 41 55 push %r13
b: 41 54 push %r12
d: 53 push %rbx
e: 50 push %rax
f: 49 89 d6 mov %rdx,%r14
12: 48 89 f3 mov %rsi,%rbx
15: 49 89 ff mov %rdi,%r15
18: e8 b4 96 c6 ff call 0xffc696d1
1d: 31 ff xor %edi,%edi
1f: 4c 89 f6 mov %r14,%rsi
22: e8 6a 9b c6 ff call 0xffc69b91
27: 4d 85 f6 test %r14,%r14
* 2a: 41 0f 95 c4 setne %r12b <-- trapping instruction
2e: 4c 89 f6 mov %r14,%rsi
31: 48 83 e6 01 and $0x1,%rsi
35: 41 0f 94 c5 sete %r13b
39: 31 ff xor %edi,%edi
3b: e8 51 9b c6 ff call 0xffc69b91