==================================================================
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 ffff8881097a0a00 by task syz.3.945/2650
CPU: 1 PID: 2650 Comm: syz.3.945 Not tainted 6.1.138-syzkaller-00005-g5b2e204a7b75 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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:variable_test_bit arch/x86/include/asm/bitops.h:228 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:240 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:test_bit_le include/asm-generic/bitops/le.h:21 [inline]
RIP: 0010:update_free_nid_bitmap fs/f2fs/node.c:2269 [inline]
RIP: 0010:load_free_nid_bitmap fs/f2fs/node.c:3207 [inline]
RIP: 0010:f2fs_build_node_manager+0x127a/0x1dd0 fs/f2fs/node.c:3329
Code: 20 44 89 e9 29 c1 d1 e9 01 c1 c1 e9 08 4d 8b 36 41 89 cf c1 e9 06 49 8d 3c ce be 08 00 00 00 e8 3c 53 8e ff 31 f6 4d 0f a3 3e <41> 0f 92 c6 40 0f 92 c6 bf 02 00 00 00 e8 84 fc 49 ff 45 84 f6 0f
RSP: 0018:ffffc900011378a8 EFLAGS: 00000247
RAX: 0000000000004a01 RBX: 0000000000025674 RCX: ffffffff8225f754
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888116b2df28
RBP: ffffc90001137950 R08: dffffc0000000000 R09: ffffed1022d65be6
R10: ffffed1022d65be6 R11: 1ffff11022d65be5 R12: dffffc0000000000
R13: 0000000000025674 R14: ffff888116b2df00 R15: 0000000000000150
f2fs_fill_super+0x425a/0x6c70 fs/f2fs/super.c:4461
mount_bdev+0x2bc/0x3f0 fs/super.c:1445
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4743
legacy_get_tree+0xfe/0x1a0 fs/fs_context.c:632
vfs_get_tree+0x9a/0x270 fs/super.c:1575
do_new_mount+0x25a/0xa20 fs/namespace.c:3057
path_mount+0x675/0x1010 fs/namespace.c:3387
do_mount fs/namespace.c:3400 [inline]
__do_sys_mount fs/namespace.c:3608 [inline]
__se_sys_mount+0x318/0x380 fs/namespace.c:3585
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3585
x64_sys_call+0x65d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
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: 0033:0x7fdf9ad900ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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:00007fdf9bc6de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdf9bc6def0 RCX: 00007fdf9ad900ca
RDX: 0000200000000100 RSI: 0000200000010600 RDI: 00007fdf9bc6deb0
RBP: 0000200000000100 R08: 00007fdf9bc6def0 R09: 0000000000000010
R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000010600
R13: 00007fdf9bc6deb0 R14: 000000000001059a R15: 0000200000000280
Allocated by task 2439:
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: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 2439:
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 ffff8881097a0000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
8192-byte region [ffff8881097a0000, ffff8881097a2000)
The buggy address belongs to the physical page:
page:ffffea000425e800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1097a0
head:ffffea000425e800 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea0004531a00 dead000000000003 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 0xd28c0(GFP_NOWAIT|__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 221, tgid 221 (sshd-session), ts 17994684157, free_ts 17947369867
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:5842
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_track_caller+0xa0/0x1e0 mm/slab_common.c:958
kmalloc_reserve net/core/skbuff.c:446 [inline]
__alloc_skb+0x224/0x7e0 net/core/skbuff.c:515
alloc_skb include/linux/skbuff.h:1290 [inline]
netlink_dump+0x1cf/0xd80 net/netlink/af_netlink.c:2195
netlink_recvmsg+0x668/0xd90 net/netlink/af_netlink.c:1942
____sys_recvmsg+0x2a0/0x590 net/socket.c:-1
___sys_recvmsg+0x1b2/0x510 net/socket.c:2770
__sys_recvmsg net/socket.c:2800 [inline]
__do_sys_recvmsg net/socket.c:2810 [inline]
__se_sys_recvmsg net/socket.c:2807 [inline]
__x64_sys_recvmsg+0x1ed/0x2c0 net/socket.c:2807
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:5931
__free_slab+0xca/0x1a0 mm/slub.c:2039
free_slab mm/slub.c:2054 [inline]
discard_slab mm/slub.c:2060 [inline]
__unfreeze_partials+0x160/0x190 mm/slub.c:2609
put_cpu_partial+0xa9/0x100 mm/slub.c:2685
__slab_free+0x1c4/0x280 mm/slub.c:3563
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]
load_elf_binary+0x1b4c/0x2710 fs/binfmt_elf.c:911
search_binary_handler fs/exec.c:1743 [inline]
exec_binprm fs/exec.c:1784 [inline]
bprm_execve+0x787/0x1440 fs/exec.c:1853
Memory state around the buggy address:
ffff8881097a0900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8881097a0980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881097a0a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8881097a0a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8881097a0b00: 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: 2650 Comm: syz.3.945 Tainted: G B 6.1.138-syzkaller-00005-g5b2e204a7b75 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__queue_work+0x575/0xd30 kernel/workqueue.c:-1
Code: 39 2b 0f 84 b9 00 00 00 e8 f8 d2 28 00 4c 89 ff e8 70 c6 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 dc 29 6d 00 49 8b 7d 00 e8 53 c2
RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff888113c72880
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed10212f4139 R11: 1ffff110212f4139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881097a09c8 R15: 0000000000000008
FS: 00007fdf9bc6e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d6923c000 CR3: 0000000129f55000 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:variable_test_bit arch/x86/include/asm/bitops.h:228 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:240 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:test_bit_le include/asm-generic/bitops/le.h:21 [inline]
RIP: 0010:update_free_nid_bitmap fs/f2fs/node.c:2269 [inline]
RIP: 0010:load_free_nid_bitmap fs/f2fs/node.c:3207 [inline]
RIP: 0010:f2fs_build_node_manager+0x127a/0x1dd0 fs/f2fs/node.c:3329
Code: 20 44 89 e9 29 c1 d1 e9 01 c1 c1 e9 08 4d 8b 36 41 89 cf c1 e9 06 49 8d 3c ce be 08 00 00 00 e8 3c 53 8e ff 31 f6 4d 0f a3 3e <41> 0f 92 c6 40 0f 92 c6 bf 02 00 00 00 e8 84 fc 49 ff 45 84 f6 0f
RSP: 0018:ffffc900011378a8 EFLAGS: 00000247
RAX: 0000000000004a01 RBX: 0000000000025674 RCX: ffffffff8225f754
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888116b2df28
RBP: ffffc90001137950 R08: dffffc0000000000 R09: ffffed1022d65be6
R10: ffffed1022d65be6 R11: 1ffff11022d65be5 R12: dffffc0000000000
R13: 0000000000025674 R14: ffff888116b2df00 R15: 0000000000000150
f2fs_fill_super+0x425a/0x6c70 fs/f2fs/super.c:4461
mount_bdev+0x2bc/0x3f0 fs/super.c:1445
f2fs_mount+0x34/0x40 fs/f2fs/super.c:4743
legacy_get_tree+0xfe/0x1a0 fs/fs_context.c:632
vfs_get_tree+0x9a/0x270 fs/super.c:1575
do_new_mount+0x25a/0xa20 fs/namespace.c:3057
path_mount+0x675/0x1010 fs/namespace.c:3387
do_mount fs/namespace.c:3400 [inline]
__do_sys_mount fs/namespace.c:3608 [inline]
__se_sys_mount+0x318/0x380 fs/namespace.c:3585
__x64_sys_mount+0xbf/0xd0 fs/namespace.c:3585
x64_sys_call+0x65d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
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: 0033:0x7fdf9ad900ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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:00007fdf9bc6de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdf9bc6def0 RCX: 00007fdf9ad900ca
RDX: 0000200000000100 RSI: 0000200000010600 RDI: 00007fdf9bc6deb0
RBP: 0000200000000100 R08: 00007fdf9bc6def0 R09: 0000000000000010
R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000010600
R13: 00007fdf9bc6deb0 R14: 000000000001059a R15: 0000200000000280
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 f8 d2 28 00 4c 89 ff e8 70 c6 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 dc 29 6d 00 49 8b 7d 00 e8 53 c2
RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff888113c72880
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed10212f4139 R11: 1ffff110212f4139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881097a09c8 R15: 0000000000000008
FS: 00007fdf9bc6e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d6923c000 CR3: 0000000129f55000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 20 44 89 e9 and %al,-0x17(%rcx,%rcx,4)
4: 29 c1 sub %eax,%ecx
6: d1 e9 shr %ecx
8: 01 c1 add %eax,%ecx
a: c1 e9 08 shr $0x8,%ecx
d: 4d 8b 36 mov (%r14),%r14
10: 41 89 cf mov %ecx,%r15d
13: c1 e9 06 shr $0x6,%ecx
16: 49 8d 3c ce lea (%r14,%rcx,8),%rdi
1a: be 08 00 00 00 mov $0x8,%esi
1f: e8 3c 53 8e ff call 0xff8e5360
24: 31 f6 xor %esi,%esi
26: 4d 0f a3 3e bt %r15,(%r14)
* 2a: 41 0f 92 c6 setb %r14b <-- trapping instruction
2e: 40 0f 92 c6 setb %sil
32: bf 02 00 00 00 mov $0x2,%edi
37: e8 84 fc 49 ff call 0xff49fcc0
3c: 45 84 f6 test %r14b,%r14b
3f: 0f .byte 0xf