==================================================================
BUG: KASAN: use-after-free in hlist_add_head include/linux/list.h:930 [inline]
BUG: KASAN: use-after-free in enqueue_timer+0xae/0x480 kernel/time/timer.c:611
Write of size 8 at addr ffff88813b3b0a00 by task syz.2.508/2027
CPU: 0 PID: 2027 Comm: syz.2.508 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_add_head include/linux/list.h:930 [inline]
enqueue_timer+0xae/0x480 kernel/time/timer.c:611
__mod_timer+0x79f/0xb30 kernel/time/timer.c:-1
mod_timer+0x1f/0x30 kernel/time/timer.c:1172
igmp_ifc_start_timer net/ipv4/igmp.c:243 [inline]
igmp_ifc_timer_expire+0xc9c/0xe10 net/ipv4/igmp.c:822
call_timer_fn+0x46/0x2a0 kernel/time/timer.c:1510
expire_timers kernel/time/timer.c:1555 [inline]
__run_timers+0x639/0x9a0 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:nearest_obj include/linux/slub_def.h:162 [inline]
RIP: 0010:__kasan_record_aux_stack+0x69/0xc0 mm/kasan/generic.c:480
Code: 18 48 89 c1 48 c1 e1 06 48 bf 00 00 00 00 80 08 05 00 48 01 cf 4c 89 f1 48 29 f9 45 8b 47 18 48 89 c6 48 89 c8 48 99 49 f7 f8 <49> 29 d6 0f b7 76 2a 81 e6 ff 7f 00 00 ff ce 41 0f af f0 48 01 fe
RSP: 0018:ffffc9000e7ded28 EFLAGS: 00000202
RAX: 0000000000000009 RBX: 0000000000000000 RCX: 0000000000001208
RDX: 0000000000000008 RSI: ffffea000484e180 RDI: ffff888121386000
RBP: ffffc9000e7ded40 R08: 0000000000000200 R09: ffffed1021f77120
R10: ffffed1021f77120 R11: 1ffff11021f77110 R12: ffff888121387208
R13: 1ffff11024270e40 R14: ffff888121387208 R15: ffff88810004d080
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
__call_rcu_common kernel/rcu/tree.c:2807 [inline]
call_rcu+0xd4/0xf90 kernel/rcu/tree.c:2926
ma_free_rcu lib/maple_tree.c:190 [inline]
mas_free lib/maple_tree.c:1346 [inline]
mas_replace_node+0x4f7/0x8d0 lib/maple_tree.c:1787
mas_commit_b_node lib/maple_tree.c:3538 [inline]
mas_wr_bnode lib/maple_tree.c:4263 [inline]
mas_wr_modify+0x4825/0x5d40 lib/maple_tree.c:4309
mas_wr_store_entry+0x3e5/0x630 lib/maple_tree.c:4343
mas_store_prealloc+0x1ca/0x380 lib/maple_tree.c:5597
vma_mas_store+0xde/0x1c0 mm/mmap.c:448
__vma_adjust+0x135b/0x1e60 mm/mmap.c:876
vma_adjust include/linux/mm.h:3067 [inline]
__split_vma+0x6dd/0x930 mm/mmap.c:-1
split_vma+0x7c/0xd0 mm/mmap.c:2512
mprotect_fixup+0x4b3/0x930 mm/mprotect.c:619
do_mprotect_pkey+0x75f/0xa80 mm/mprotect.c:795
__do_sys_mprotect mm/mprotect.c:822 [inline]
__se_sys_mprotect mm/mprotect.c:819 [inline]
__x64_sys_mprotect+0x80/0x90 mm/mprotect.c:819
x64_sys_call+0x997/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:11
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: 0033:0x7fdee0b8f807
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 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:00007fffe8b19368 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fdee19fd6c0 RCX: 00007fdee0b8f807
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007fdee19de000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000021000 R11: 0000000000000206 R12: 00007fffe8b194c0
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
Allocated by task 1950:
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 1949:
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_free_dev+0x1c/0x20 net/bluetooth/hci_core.c:2556
hci_uart_tty_close+0x1a3/0x230 drivers/bluetooth/hci_ldisc.c:555
tty_ldisc_close drivers/tty/tty_ldisc.c:456 [inline]
tty_ldisc_kill+0x10f/0x1f0 drivers/tty/tty_ldisc.c:608
tty_ldisc_release+0x1a5/0x200 drivers/tty/tty_ldisc.c:776
tty_release_struct+0x29/0xe0 drivers/tty/tty_io.c:1689
tty_release+0xbfd/0x1210 drivers/tty/tty_io.c:1860
__fput+0x1fc/0x8f0 fs/file_table.c:320
____fput+0x15/0x20 fs/file_table.c:348
task_work_run+0x1db/0x240 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
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 ffff88813b3b0000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
8192-byte region [ffff88813b3b0000, ffff88813b3b2000)
The buggy address belongs to the physical page:
page:ffffea0004ecec00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13b3b0
head:ffffea0004ecec00 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 685, tgid 682 (syz.0.98), ts 48074577499, free_ts 35599046397
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
kmalloc_reserve net/core/skbuff.c:449 [inline]
__alloc_skb+0x236/0x4b0 net/core/skbuff.c:518
alloc_skb include/linux/skbuff.h:1290 [inline]
alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6165
sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2761
sock_alloc_send_skb include/net/sock.h:1975 [inline]
rawv6_send_hdrinc+0x2ec/0x1180 net/ipv6/raw.c:607
rawv6_sendmsg+0x1153/0x1710 net/ipv6/raw.c:912
inet_sendmsg+0xb6/0xd0 net/ipv4/af_inet.c:841
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_list+0x112/0x8b0 mm/page_alloc.c:3740
release_pages+0xad1/0xb20 mm/swap.c:1047
__pagevec_release+0x71/0xe0 mm/swap.c:1067
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
shmem_undo_range+0x51a/0x1470 mm/shmem.c:955
shmem_truncate_range mm/shmem.c:1071 [inline]
shmem_evict_inode+0x242/0xa10 mm/shmem.c:1180
evict+0x493/0x890 fs/inode.c:708
iput_final fs/inode.c:1844 [inline]
iput+0x620/0x670 fs/inode.c:1870
dentry_unlink_inode+0x33d/0x3f0 fs/dcache.c:405
__dentry_kill+0x460/0x670 fs/dcache.c:611
dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
dput+0x42/0x80 fs/dcache.c:918
__fput+0x5be/0x8f0 fs/file_table.c:328
____fput+0x15/0x20 fs/file_table.c:348
task_work_run+0x1db/0x240 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
Memory state around the buggy address:
ffff88813b3b0900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88813b3b0980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88813b3b0a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88813b3b0a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88813b3b0b00: 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: 2027 Comm: syz.2.508 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 18 e0 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 fc 54 6d 00 49 8b 7d 00 e8 93 05
RSP: 0018:ffffc90000007c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff888109916540
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed1027676139 R11: 1ffff11027676139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88813b3b09c8 R15: 0000000000000008
FS: 0000555591df4500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0a16cc0f98 CR3: 000000010f8ba000 CR4: 00000000003506b0
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:nearest_obj include/linux/slub_def.h:162 [inline]
RIP: 0010:__kasan_record_aux_stack+0x69/0xc0 mm/kasan/generic.c:480
Code: 18 48 89 c1 48 c1 e1 06 48 bf 00 00 00 00 80 08 05 00 48 01 cf 4c 89 f1 48 29 f9 45 8b 47 18 48 89 c6 48 89 c8 48 99 49 f7 f8 <49> 29 d6 0f b7 76 2a 81 e6 ff 7f 00 00 ff ce 41 0f af f0 48 01 fe
RSP: 0018:ffffc9000e7ded28 EFLAGS: 00000202
RAX: 0000000000000009 RBX: 0000000000000000 RCX: 0000000000001208
RDX: 0000000000000008 RSI: ffffea000484e180 RDI: ffff888121386000
RBP: ffffc9000e7ded40 R08: 0000000000000200 R09: ffffed1021f77120
R10: ffffed1021f77120 R11: 1ffff11021f77110 R12: ffff888121387208
R13: 1ffff11024270e40 R14: ffff888121387208 R15: ffff88810004d080
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
__call_rcu_common kernel/rcu/tree.c:2807 [inline]
call_rcu+0xd4/0xf90 kernel/rcu/tree.c:2926
ma_free_rcu lib/maple_tree.c:190 [inline]
mas_free lib/maple_tree.c:1346 [inline]
mas_replace_node+0x4f7/0x8d0 lib/maple_tree.c:1787
mas_commit_b_node lib/maple_tree.c:3538 [inline]
mas_wr_bnode lib/maple_tree.c:4263 [inline]
mas_wr_modify+0x4825/0x5d40 lib/maple_tree.c:4309
mas_wr_store_entry+0x3e5/0x630 lib/maple_tree.c:4343
mas_store_prealloc+0x1ca/0x380 lib/maple_tree.c:5597
vma_mas_store+0xde/0x1c0 mm/mmap.c:448
__vma_adjust+0x135b/0x1e60 mm/mmap.c:876
vma_adjust include/linux/mm.h:3067 [inline]
__split_vma+0x6dd/0x930 mm/mmap.c:-1
split_vma+0x7c/0xd0 mm/mmap.c:2512
mprotect_fixup+0x4b3/0x930 mm/mprotect.c:619
do_mprotect_pkey+0x75f/0xa80 mm/mprotect.c:795
__do_sys_mprotect mm/mprotect.c:822 [inline]
__se_sys_mprotect mm/mprotect.c:819 [inline]
__x64_sys_mprotect+0x80/0x90 mm/mprotect.c:819
x64_sys_call+0x997/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:11
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: 0033:0x7fdee0b8f807
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 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:00007fffe8b19368 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fdee19fd6c0 RCX: 00007fdee0b8f807
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007fdee19de000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000021000 R11: 0000000000000206 R12: 00007fffe8b194c0
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
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 18 e0 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 fc 54 6d 00 49 8b 7d 00 e8 93 05
RSP: 0018:ffffc90000007c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff888109916540
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed1027676139 R11: 1ffff11027676139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88813b3b09c8 R15: 0000000000000008
FS: 0000555591df4500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0a16cc0f98 CR3: 000000010f8ba000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 89 c1 mov %rax,%rcx
3: 48 c1 e1 06 shl $0x6,%rcx
7: 48 bf 00 00 00 00 80 movabs $0x5088000000000,%rdi
e: 08 05 00
11: 48 01 cf add %rcx,%rdi
14: 4c 89 f1 mov %r14,%rcx
17: 48 29 f9 sub %rdi,%rcx
1a: 45 8b 47 18 mov 0x18(%r15),%r8d
1e: 48 89 c6 mov %rax,%rsi
21: 48 89 c8 mov %rcx,%rax
24: 48 99 cqto
26: 49 f7 f8 idiv %r8
* 29: 49 29 d6 sub %rdx,%r14 <-- trapping instruction
2c: 0f b7 76 2a movzwl 0x2a(%rsi),%esi
30: 81 e6 ff 7f 00 00 and $0x7fff,%esi
36: ff ce dec %esi
38: 41 0f af f0 imul %r8d,%esi
3c: 48 01 fe add %rdi,%rsi