[ 29.516793][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 39.801564][ T25] kauditd_printk_skb: 37 callbacks suppressed
[ 39.801579][ T25] audit: type=1400 audit(1647280996.416:73): avc: denied { transition } for pid=3384 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 39.831693][ T25] audit: type=1400 audit(1647280996.416:74): avc: denied { write } for pid=3384 comm="sh" path="pipe:[27495]" dev="pipefs" ino=27495 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
[ 76.132491][ T920] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts.
[ 124.103292][ T25] audit: type=1400 audit(1647281080.716:75): avc: denied { execmem } for pid=3608 comm="syz-executor794" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 124.122924][ T25] audit: type=1400 audit(1647281080.716:76): avc: denied { mounton } for pid=3609 comm="syz-executor794" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1
[ 124.147054][ T25] audit: type=1400 audit(1647281080.716:77): avc: denied { mount } for pid=3609 comm="syz-executor794" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[ 124.169535][ T25] audit: type=1400 audit(1647281080.716:78): avc: denied { create } for pid=3609 comm="syz-executor794" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1
[ 124.189959][ T25] audit: type=1400 audit(1647281080.716:79): avc: denied { read write } for pid=3609 comm="syz-executor794" name="vhci" dev="devtmpfs" ino=1072 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1
[ 124.213899][ T25] audit: type=1400 audit(1647281080.716:80): avc: denied { open } for pid=3609 comm="syz-executor794" path="/dev/vhci" dev="devtmpfs" ino=1072 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1
[ 125.177982][ T3612] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 125.184857][ T25] audit: type=1400 audit(1647281081.786:81): avc: denied { ioctl } for pid=3609 comm="syz-executor794" path="socket:[28710]" dev="sockfs" ino=28710 ioctlcmd=0x48c9 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1
[ 125.186352][ T3612] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 125.218956][ T3612] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 125.227013][ T3612] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 125.234749][ T3612] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 125.242110][ T3612] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 125.258717][ T25] audit: type=1400 audit(1647281081.866:82): avc: denied { read } for pid=3609 comm="syz-executor794" dev="nsfs" ino=4026531992 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 125.288123][ T25] audit: type=1400 audit(1647281081.866:83): avc: denied { open } for pid=3609 comm="syz-executor794" path="net:[4026531992]" dev="nsfs" ino=4026531992 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 125.312290][ T25] audit: type=1400 audit(1647281081.866:84): avc: denied { mounton } for pid=3609 comm="syz-executor794" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[ 125.354144][ T3609] chnl_net:caif_netlink_parms(): no params data found
[ 125.398751][ T3609] bridge0: port 1(bridge_slave_0) entered blocking state
[ 125.406371][ T3609] bridge0: port 1(bridge_slave_0) entered disabled state
[ 125.414567][ T3609] device bridge_slave_0 entered promiscuous mode
[ 125.423466][ T3609] bridge0: port 2(bridge_slave_1) entered blocking state
[ 125.430664][ T3609] bridge0: port 2(bridge_slave_1) entered disabled state
[ 125.438523][ T3609] device bridge_slave_1 entered promiscuous mode
[ 125.460033][ T3609] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 125.472058][ T3609] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 125.495018][ T3609] team0: Port device team_slave_0 added
[ 125.502407][ T3609] team0: Port device team_slave_1 added
[ 125.521326][ T3609] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 125.528261][ T3609] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 125.554272][ T3609] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 125.567355][ T3609] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 125.575132][ T3609] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 125.601230][ T3609] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 125.627445][ T3609] device hsr_slave_0 entered promiscuous mode
[ 125.634668][ T3609] device hsr_slave_1 entered promiscuous mode
[ 125.724985][ T3609] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 125.736273][ T3609] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 125.745888][ T3609] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 125.754879][ T3609] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 125.777278][ T3609] bridge0: port 2(bridge_slave_1) entered blocking state
[ 125.784464][ T3609] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 125.792735][ T3609] bridge0: port 1(bridge_slave_0) entered blocking state
[ 125.799790][ T3609] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 125.844357][ T3609] 8021q: adding VLAN 0 to HW filter on device bond0
[ 125.859179][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 125.869999][ T920] bridge0: port 1(bridge_slave_0) entered disabled state
[ 125.878563][ T920] bridge0: port 2(bridge_slave_1) entered disabled state
[ 125.887583][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 125.901650][ T3609] 8021q: adding VLAN 0 to HW filter on device team0
[ 125.913589][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 125.922076][ T920] bridge0: port 1(bridge_slave_0) entered blocking state
[ 125.929122][ T920] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 125.942605][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 125.951069][ T7] bridge0: port 2(bridge_slave_1) entered blocking state
[ 125.958194][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 125.982969][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 125.992029][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 126.000415][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 126.009249][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 126.019617][ T920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 126.030666][ T3609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 126.049102][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 126.057331][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 126.068782][ T3609] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 126.201424][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 126.211266][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 126.219509][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 126.227854][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 126.238466][ T3609] device veth0_vlan entered promiscuous mode
[ 126.251114][ T3609] device veth1_vlan entered promiscuous mode
[ 126.269246][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 126.277640][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 126.286003][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 126.296751][ T3609] device veth0_macvtap entered promiscuous mode
[ 126.307505][ T3609] device veth1_macvtap entered promiscuous mode
[ 126.323363][ T3609] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 126.331271][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 126.341379][ T3619] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 126.357155][ T3609] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 126.364730][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 126.373570][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 126.386750][ T3609] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.395967][ T3609] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 126.404912][ T3609] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.413940][ T3609] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
executing program
executing program
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executing program
[ 127.331590][ T39] Bluetooth: hci0: command 0x0409 tx timeout
executing program
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[ 129.411028][ T39] Bluetooth: hci0: command 0x041b tx timeout
executing program
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[ 131.490971][ T39] Bluetooth: hci0: command 0x040f tx timeout
executing program
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[ 133.570648][ T39] Bluetooth: hci0: command 0x0419 tx timeout
executing program
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[ 135.650545][ T920] Bluetooth: hci0: command 0x0405 tx timeout
executing program
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[ 137.740537][ T920] Bluetooth: hci0: command 0x0405 tx timeout
executing program
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[ 167.011656][ T920] ==================================================================
[ 167.019901][ T920] BUG: KASAN: use-after-free in sco_sock_timeout+0x64/0x290
[ 167.027209][ T920] Write of size 4 at addr ffff8880706e3080 by task kworker/1:2/920
[ 167.035468][ T920]
[ 167.037780][ T920] CPU: 1 PID: 920 Comm: kworker/1:2 Not tainted 5.17.0-rc8-syzkaller #0
[ 167.046108][ T920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 167.056156][ T920] Workqueue: events sco_sock_timeout
[ 167.061454][ T920] Call Trace:
[ 167.064742][ T920]
[ 167.067658][ T920] dump_stack_lvl+0xcd/0x134
[ 167.072250][ T920] print_address_description.constprop.0.cold+0x8d/0x303
[ 167.079291][ T920] ? sco_sock_timeout+0x64/0x290
[ 167.084230][ T920] ? sco_sock_timeout+0x64/0x290
[ 167.089157][ T920] kasan_report.cold+0x83/0xdf
[ 167.093912][ T920] ? sco_sock_timeout+0x64/0x290
[ 167.098847][ T920] kasan_check_range+0x13d/0x180
[ 167.103788][ T920] sco_sock_timeout+0x64/0x290
[ 167.108543][ T920] process_one_work+0x9ac/0x1650
[ 167.113464][ T920] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 167.118908][ T920] ? rwlock_bug.part.0+0x90/0x90
[ 167.123836][ T920] ? _raw_spin_lock_irq+0x41/0x50
[ 167.128851][ T920] worker_thread+0x657/0x1110
[ 167.133519][ T920] ? process_one_work+0x1650/0x1650
[ 167.138730][ T920] kthread+0x2e9/0x3a0
[ 167.142809][ T920] ? kthread_complete_and_exit+0x40/0x40
[ 167.148444][ T920] ret_from_fork+0x1f/0x30
[ 167.152859][ T920]
[ 167.155867][ T920]
[ 167.158179][ T920] Allocated by task 3628:
[ 167.162491][ T920] kasan_save_stack+0x1e/0x40
[ 167.167167][ T920] __kasan_kmalloc+0xa6/0xd0
[ 167.171750][ T920] __kmalloc+0x209/0x4d0
[ 167.175985][ T920] sk_prot_alloc+0x110/0x290
[ 167.180570][ T920] sk_alloc+0x32/0xa80
[ 167.184629][ T920] sco_sock_alloc.constprop.0+0x31/0x330
[ 167.190337][ T920] sco_sock_create+0xd5/0x1b0
[ 167.195029][ T920] bt_sock_create+0x17c/0x340
[ 167.199714][ T920] __sock_create+0x353/0x790
[ 167.204310][ T920] __sys_socket+0xef/0x200
[ 167.208722][ T920] __x64_sys_socket+0x6f/0xb0
[ 167.213393][ T920] do_syscall_64+0x35/0xb0
[ 167.217809][ T920] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 167.223695][ T920]
[ 167.226007][ T920] Freed by task 3629:
[ 167.229970][ T920] kasan_save_stack+0x1e/0x40
[ 167.234639][ T920] kasan_set_track+0x21/0x30
[ 167.239228][ T920] kasan_set_free_info+0x20/0x30
[ 167.244158][ T920] ____kasan_slab_free+0xff/0x140
[ 167.249176][ T920] kfree+0xf8/0x2b0
[ 167.252983][ T920] __sk_destruct+0x6c0/0x920
[ 167.257575][ T920] sk_destruct+0x131/0x180
[ 167.261996][ T920] __sk_free+0xef/0x3d0
[ 167.266152][ T920] sk_free+0x78/0xa0
[ 167.270046][ T920] sco_sock_kill+0x18d/0x1b0
[ 167.274643][ T920] sco_sock_release+0x155/0x2c0
[ 167.279491][ T920] __sock_release+0xcd/0x280
[ 167.284073][ T920] sock_close+0x18/0x20
[ 167.288221][ T920] __fput+0x286/0x9f0
[ 167.292194][ T920] task_work_run+0xdd/0x1a0
[ 167.296689][ T920] get_signal+0x1de2/0x2490
[ 167.301189][ T920] arch_do_signal_or_restart+0x2a9/0x1c40
[ 167.306901][ T920] exit_to_user_mode_prepare+0x17d/0x290
[ 167.312546][ T920] syscall_exit_to_user_mode+0x19/0x60
[ 167.318022][ T920] do_syscall_64+0x42/0xb0
[ 167.322454][ T920] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 167.328351][ T920]
[ 167.330663][ T920] The buggy address belongs to the object at ffff8880706e3000
[ 167.330663][ T920] which belongs to the cache kmalloc-2k of size 2048
[ 167.344723][ T920] The buggy address is located 128 bytes inside of
[ 167.344723][ T920] 2048-byte region [ffff8880706e3000, ffff8880706e3800)
[ 167.358100][ T920] The buggy address belongs to the page:
[ 167.363716][ T920] page:ffffea0001c1b8c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x706e3
[ 167.373853][ T920] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 167.381439][ T920] raw: 00fff00000000200 ffffea0001c1b808 ffffea0001c1b9c8 ffff888010c40800
[ 167.390042][ T920] raw: 0000000000000000 ffff8880706e3000 0000000100000001 0000000000000000
[ 167.398616][ T920] page dumped because: kasan: bad access detected
[ 167.405014][ T920] page_owner tracks the page as allocated
[ 167.410714][ T920] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x242220(__GFP_HIGH|__GFP_ATOMIC|__GFP_NOWARN|__GFP_COMP|__GFP_THISNODE), pid 3628, ts 126463363792, free_ts 42891364116
[ 167.429114][ T920] get_page_from_freelist+0xa72/0x2f50
[ 167.434656][ T920] __alloc_pages+0x1b2/0x500
[ 167.439236][ T920] cache_grow_begin+0x75/0x390
[ 167.443993][ T920] cache_alloc_refill+0x27f/0x380
[ 167.449011][ T920] __kmalloc+0x3b3/0x4d0
[ 167.453247][ T920] sk_prot_alloc+0x110/0x290
[ 167.457829][ T920] sk_alloc+0x32/0xa80
[ 167.461887][ T920] sco_sock_alloc.constprop.0+0x31/0x330
[ 167.467508][ T920] sco_sock_create+0xd5/0x1b0
[ 167.472177][ T920] bt_sock_create+0x17c/0x340
[ 167.476849][ T920] __sock_create+0x353/0x790
[ 167.481435][ T920] __sys_socket+0xef/0x200
[ 167.485843][ T920] __x64_sys_socket+0x6f/0xb0
[ 167.490518][ T920] do_syscall_64+0x35/0xb0
[ 167.494934][ T920] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 167.500821][ T920] page last free stack trace:
[ 167.505477][ T920] __free_pages_ok+0x550/0xcf0
[ 167.510241][ T920] slabs_destroy+0x89/0xc0
[ 167.514647][ T920] ___cache_free+0x303/0x600
[ 167.519225][ T920] qlist_free_all+0x50/0x1a0
[ 167.523810][ T920] kasan_quarantine_reduce+0x180/0x200
[ 167.529265][ T920] __kasan_slab_alloc+0x97/0xb0
[ 167.534109][ T920] kmem_cache_alloc+0x265/0x560
[ 167.538953][ T920] getname_flags.part.0+0x50/0x4f0
[ 167.544058][ T920] getname+0x8e/0xd0
[ 167.547947][ T920] do_sys_openat2+0xf5/0x4d0
[ 167.552538][ T920] __x64_sys_openat+0x13f/0x1f0
[ 167.557385][ T920] do_syscall_64+0x35/0xb0
[ 167.561792][ T920] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 167.567680][ T920]
[ 167.569990][ T920] Memory state around the buggy address:
[ 167.575608][ T920] ffff8880706e2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 167.583658][ T920] ffff8880706e3000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 167.591705][ T920] >ffff8880706e3080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 167.599765][ T920] ^
[ 167.603818][ T920] ffff8880706e3100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 167.611866][ T920] ffff8880706e3180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 167.619910][ T920] ==================================================================
[ 167.627954][ T920] Disabling lock debugging due to kernel taint
[ 167.634259][ T920] Kernel panic - not syncing: panic_on_warn set ...
[ 167.640835][ T920] CPU: 1 PID: 920 Comm: kworker/1:2 Tainted: G B 5.17.0-rc8-syzkaller #0
[ 167.650573][ T920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 167.660618][ T920] Workqueue: events sco_sock_timeout
[ 167.665895][ T920] Call Trace:
[ 167.669159][ T920]
[ 167.672074][ T920] dump_stack_lvl+0xcd/0x134
[ 167.676744][ T920] panic+0x2b0/0x6dd
[ 167.680622][ T920] ? __warn_printk+0xf3/0xf3
[ 167.685199][ T920] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 167.691351][ T920] ? trace_hardirqs_on+0x38/0x1c0
[ 167.696367][ T920] ? trace_hardirqs_on+0x51/0x1c0
[ 167.701375][ T920] ? sco_sock_timeout+0x64/0x290
[ 167.706299][ T920] ? sco_sock_timeout+0x64/0x290
[ 167.711222][ T920] end_report.cold+0x63/0x6f
[ 167.715811][ T920] kasan_report.cold+0x71/0xdf
[ 167.720567][ T920] ? sco_sock_timeout+0x64/0x290
[ 167.725490][ T920] kasan_check_range+0x13d/0x180
[ 167.730428][ T920] sco_sock_timeout+0x64/0x290
[ 167.735182][ T920] process_one_work+0x9ac/0x1650
[ 167.740111][ T920] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 167.745473][ T920] ? rwlock_bug.part.0+0x90/0x90
[ 167.750406][ T920] ? _raw_spin_lock_irq+0x41/0x50
[ 167.755422][ T920] worker_thread+0x657/0x1110
[ 167.760088][ T920] ? process_one_work+0x1650/0x1650
[ 167.765273][ T920] kthread+0x2e9/0x3a0
[ 167.769338][ T920] ? kthread_complete_and_exit+0x40/0x40
[ 167.774965][ T920] ret_from_fork+0x1f/0x30
[ 167.779376][ T920]
[ 167.782536][ T920] Kernel Offset: disabled
[ 167.786846][ T920] Rebooting in 86400 seconds..