==================================================================
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 ffff8881384e8a00 by task syz.9.2718/10851

CPU: 1 PID: 10851 Comm: syz.9.2718 Not tainted 6.1.134-syzkaller-00012-g646380b087a5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <IRQ>
 __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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:check_region_inline mm/kasan/generic.c:169 [inline]
RIP: 0010:kasan_check_range+0x11/0x290 mm/kasan/generic.c:189
Code: ff c3 00 00 cc cc 00 00 cc 90 90 90 90 90 90 90 90 90 90 90 b8 bf f3 05 3b b0 01 48 85 f6 0f 84 a9 01 00 00 55 48 89 e5 41 57 <41> 56 53 49 89 f8 49 01 f0 0f 82 58 02 00 00 49 89 f8 49 c1 e8 2f
RSP: 0018:ffffc90002b5f670 EFLAGS: 00000202
RAX: ffffffff83dec601 RBX: ffff8881251aec80 RCX: ffffffff83dec65a
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881251aed74
RBP: ffffc90002b5f678 R08: dffffc0000000000 R09: ffffed10217e234a
R10: ffffed10217e234a R11: 1ffff110217e2349 R12: dffffc0000000000
R13: ffffc90002b5fd00 R14: ffff8881251aed74 R15: ffff8881251aec80
 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 refcount_read include/linux/refcount.h:147 [inline]
 skb_unref include/linux/skbuff.h:1222 [inline]
 consume_skb+0x3a/0x1f0 net/core/skbuff.c:1031
 skb_free_datagram+0x15/0x20 net/core/datagram.c:322
 __unix_dgram_recvmsg+0x9ca/0xd50 net/unix/af_unix.c:2509
 unix_dgram_recvmsg+0xc7/0xe0 net/unix/af_unix.c:2526
 ____sys_recvmsg+0x2a0/0x590 net/socket.c:-1
 ___sys_recvmsg+0x1b2/0x510 net/socket.c:2770
 do_recvmmsg+0x359/0x7a0 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+0x18d/0x240 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:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9c37f8e969
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:00007f9c38df4038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f9c381b6080 RCX: 00007f9c37f8e969
RDX: 03fffffffffffcb5 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f9c38010ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9c381b6080 R15: 00007ffe620e4718
 </TASK>

Allocated by task 10793:
 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 10793:
 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+0x33b/0x720 net/bluetooth/hci_core.c:749
 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 ffff8881384e8000
 which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 2560 bytes inside of
 8192-byte region [ffff8881384e8000, ffff8881384ea000)

The buggy address belongs to the physical page:
page:ffffea0004e13a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1384e8
head:ffffea0004e13a00 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 6079, tgid 6076 (syz.3.1412), ts 320733283658, free_ts 320731730334
 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_track_caller+0xa0/0x1e0 mm/slab_common.c:958
 __do_krealloc mm/slab_common.c:1342 [inline]
 krealloc+0x6f/0x110 mm/slab_common.c:1375
 copy_array kernel/bpf/verifier.c:955 [inline]
 copy_stack_state kernel/bpf/verifier.c:1009 [inline]
 copy_func_state kernel/bpf/verifier.c:1130 [inline]
 copy_verifier_state+0x6bb/0xab0 kernel/bpf/verifier.c:1166
 is_state_visited kernel/bpf/verifier.c:12336 [inline]
 do_check+0x2e2e/0xf060 kernel/bpf/verifier.c:12451
 do_check_common+0x11ae/0x1950 kernel/bpf/verifier.c:14930
 do_check_main kernel/bpf/verifier.c:14993 [inline]
 bpf_check+0x3de0/0x10d50 kernel/bpf/verifier.c:15570
 bpf_prog_load+0x1071/0x15a0 kernel/bpf/syscall.c:2618
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 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_kmalloc mm/kasan/common.c:345 [inline]
 __kasan_krealloc+0x9a/0x140 mm/kasan/common.c:447
 kasan_krealloc include/linux/kasan.h:232 [inline]
 __do_krealloc mm/slab_common.c:1338 [inline]
 krealloc+0xc7/0x110 mm/slab_common.c:1375
 push_jmp_history kernel/bpf/verifier.c:2462 [inline]
 is_state_visited kernel/bpf/verifier.c:12311 [inline]
 do_check+0x2d3c/0xf060 kernel/bpf/verifier.c:12451
 do_check_common+0x11ae/0x1950 kernel/bpf/verifier.c:14930
 do_check_main kernel/bpf/verifier.c:14993 [inline]
 bpf_check+0x3de0/0x10d50 kernel/bpf/verifier.c:15570
 bpf_prog_load+0x1071/0x15a0 kernel/bpf/syscall.c:2618

Memory state around the buggy address:
 ffff8881384e8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881384e8980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881384e8a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff8881384e8a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881384e8b00: 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: 10851 Comm: syz.9.2718 Tainted: G    B              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: ffff88813e4f9440
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed102709d139 R11: 1ffff1102709d139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881384e89c8 R15: 0000000000000008
FS:  00007f9c38df46c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000fe1030 CR3: 0000000126e11000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:check_region_inline mm/kasan/generic.c:169 [inline]
RIP: 0010:kasan_check_range+0x11/0x290 mm/kasan/generic.c:189
Code: ff c3 00 00 cc cc 00 00 cc 90 90 90 90 90 90 90 90 90 90 90 b8 bf f3 05 3b b0 01 48 85 f6 0f 84 a9 01 00 00 55 48 89 e5 41 57 <41> 56 53 49 89 f8 49 01 f0 0f 82 58 02 00 00 49 89 f8 49 c1 e8 2f
RSP: 0018:ffffc90002b5f670 EFLAGS: 00000202
RAX: ffffffff83dec601 RBX: ffff8881251aec80 RCX: ffffffff83dec65a
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881251aed74
RBP: ffffc90002b5f678 R08: dffffc0000000000 R09: ffffed10217e234a
R10: ffffed10217e234a R11: 1ffff110217e2349 R12: dffffc0000000000
R13: ffffc90002b5fd00 R14: ffff8881251aed74 R15: ffff8881251aec80
 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 refcount_read include/linux/refcount.h:147 [inline]
 skb_unref include/linux/skbuff.h:1222 [inline]
 consume_skb+0x3a/0x1f0 net/core/skbuff.c:1031
 skb_free_datagram+0x15/0x20 net/core/datagram.c:322
 __unix_dgram_recvmsg+0x9ca/0xd50 net/unix/af_unix.c:2509
 unix_dgram_recvmsg+0xc7/0xe0 net/unix/af_unix.c:2526
 ____sys_recvmsg+0x2a0/0x590 net/socket.c:-1
 ___sys_recvmsg+0x1b2/0x510 net/socket.c:2770
 do_recvmmsg+0x359/0x7a0 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+0x18d/0x240 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:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9c37f8e969
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:00007f9c38df4038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f9c381b6080 RCX: 00007f9c37f8e969
RDX: 03fffffffffffcb5 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f9c38010ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f9c381b6080 R15: 00007ffe620e4718
 </TASK>
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: ffff88813e4f9440
RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff
RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007
R10: ffffed102709d139 R11: 1ffff1102709d139 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881384e89c8 R15: 0000000000000008
FS:  00007f9c38df46c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000fe1030 CR3: 0000000126e11000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	ff c3                	inc    %ebx
   2:	00 00                	add    %al,(%rax)
   4:	cc                   	int3
   5:	cc                   	int3
   6:	00 00                	add    %al,(%rax)
   8:	cc                   	int3
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	b8 bf f3 05 3b       	mov    $0x3b05f3bf,%eax
  19:	b0 01                	mov    $0x1,%al
  1b:	48 85 f6             	test   %rsi,%rsi
  1e:	0f 84 a9 01 00 00    	je     0x1cd
  24:	55                   	push   %rbp
  25:	48 89 e5             	mov    %rsp,%rbp
  28:	41 57                	push   %r15
* 2a:	41 56                	push   %r14 <-- trapping instruction
  2c:	53                   	push   %rbx
  2d:	49 89 f8             	mov    %rdi,%r8
  30:	49 01 f0             	add    %rsi,%r8
  33:	0f 82 58 02 00 00    	jb     0x291
  39:	49 89 f8             	mov    %rdi,%r8
  3c:	49 c1 e8 2f          	shr    $0x2f,%r8