[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.75' (ECDSA) to the list of known hosts. 2021/08/29 21:29:15 parsed 1 programs 2021/08/29 21:29:15 executed programs: 0 syzkaller login: [ 1797.783619][ T37] audit: type=1400 audit(1630272555.940:8): avc: denied { execmem } for pid=8463 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 1799.182698][ T8464] chnl_net:caif_netlink_parms(): no params data found [ 1799.241999][ T8464] bridge0: port 1(bridge_slave_0) entered blocking state [ 1799.249696][ T8464] bridge0: port 1(bridge_slave_0) entered disabled state [ 1799.258687][ T8464] device bridge_slave_0 entered promiscuous mode [ 1799.268092][ T8464] bridge0: port 2(bridge_slave_1) entered blocking state [ 1799.275127][ T8464] bridge0: port 2(bridge_slave_1) entered disabled state [ 1799.283474][ T8464] device bridge_slave_1 entered promiscuous mode [ 1799.305879][ T8464] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1799.319335][ T8464] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1799.342261][ T8464] team0: Port device team_slave_0 added [ 1799.349875][ T8464] team0: Port device team_slave_1 added [ 1799.369845][ T8464] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1799.376858][ T8464] 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. [ 1799.403985][ T8464] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1799.417108][ T8464] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1799.424066][ T8464] 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. [ 1799.450437][ T8464] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1799.481410][ T8464] device hsr_slave_0 entered promiscuous mode [ 1799.488101][ T8464] device hsr_slave_1 entered promiscuous mode [ 1799.602833][ T8464] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1799.613554][ T8464] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1799.623621][ T8464] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1799.634175][ T8464] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1799.663046][ T8464] bridge0: port 2(bridge_slave_1) entered blocking state [ 1799.670227][ T8464] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1799.678156][ T8464] bridge0: port 1(bridge_slave_0) entered blocking state [ 1799.685223][ T8464] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1799.731451][ T8464] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1799.744983][ T8676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1799.758172][ T8676] bridge0: port 1(bridge_slave_0) entered disabled state [ 1799.768055][ T8676] bridge0: port 2(bridge_slave_1) entered disabled state [ 1799.775945][ T8676] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1799.791908][ T8464] 8021q: adding VLAN 0 to HW filter on device team0 [ 1799.803341][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1799.812436][ T8687] bridge0: port 1(bridge_slave_0) entered blocking state [ 1799.819548][ T8687] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1799.837811][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1799.846407][ T8687] bridge0: port 2(bridge_slave_1) entered blocking state [ 1799.853578][ T8687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1799.865328][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1799.874531][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1799.894922][ T8464] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1799.908536][ T8464] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1799.921462][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1799.930466][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1799.939938][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1799.948722][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1799.966722][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1799.974518][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1799.989680][ T8464] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1800.008214][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1800.029948][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1800.039190][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1800.046918][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1800.059716][ T8464] device veth0_vlan entered promiscuous mode [ 1800.072266][ T8464] device veth1_vlan entered promiscuous mode [ 1800.093476][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1800.102190][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1800.110747][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1800.124394][ T8464] device veth0_macvtap entered promiscuous mode [ 1800.134957][ T8464] device veth1_macvtap entered promiscuous mode [ 1800.152393][ T8464] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1800.161827][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1800.170992][ T8605] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1800.182449][ T8464] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1800.189929][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1800.200720][ T8687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1800.213180][ T8464] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1800.222498][ T8464] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1800.232045][ T8464] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1800.241929][ T8464] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1800.345221][ T255] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1800.354626][ T255] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1800.376381][ T8676] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1800.400892][ T32] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1800.410705][ T32] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1800.423530][ T8676] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1800.947832][ T8605] Bluetooth: hci0: command 0x0409 tx timeout 2021/08/29 21:29:21 executed programs: 3 [ 1803.027443][ T2951] Bluetooth: hci0: command 0x041b tx timeout [ 1805.116803][ T2951] Bluetooth: hci0: command 0x040f tx timeout [ 1807.196692][ T8690] Bluetooth: hci0: command 0x0419 tx timeout 2021/08/29 21:29:26 executed programs: 9 [ 1809.276611][ T8690] Bluetooth: hci0: command 0x0405 tx timeout 2021/08/29 21:29:31 executed programs: 15 2021/08/29 21:29:36 executed programs: 21 2021/08/29 21:29:41 executed programs: 27 2021/08/29 21:29:46 executed programs: 33 2021/08/29 21:29:52 executed programs: 39 2021/08/29 21:29:57 executed programs: 45 2021/08/29 21:30:02 executed programs: 51 [ 1846.227062][ T8690] ================================================================== [ 1846.235138][ T8690] BUG: KASAN: use-after-free in __lock_acquire+0x3d86/0x54a0 [ 1846.242640][ T8690] Read of size 8 at addr ffff88803462c0a0 by task kworker/0:3/8690 [ 1846.250517][ T8690] [ 1846.252825][ T8690] CPU: 0 PID: 8690 Comm: kworker/0:3 Not tainted 5.14.0-rc7-syzkaller #0 [ 1846.261221][ T8690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1846.271281][ T8690] Workqueue: events l2cap_chan_timeout [ 1846.276834][ T8690] Call Trace: [ 1846.280107][ T8690] dump_stack_lvl+0xcd/0x134 [ 1846.284759][ T8690] print_address_description.constprop.0.cold+0x6c/0x2d6 [ 1846.291828][ T8690] ? __lock_acquire+0x3d86/0x54a0 [ 1846.296856][ T8690] ? __lock_acquire+0x3d86/0x54a0 [ 1846.302490][ T8690] kasan_report.cold+0x83/0xdf [ 1846.307259][ T8690] ? __lock_acquire+0x3d86/0x54a0 [ 1846.312286][ T8690] __lock_acquire+0x3d86/0x54a0 [ 1846.317134][ T8690] ? call_rcu_zapped+0xb0/0xb0 [ 1846.321957][ T8690] ? mark_lock+0xef/0x17b0 [ 1846.326366][ T8690] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 1846.332194][ T8690] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1846.338171][ T8690] ? lock_chain_count+0x20/0x20 [ 1846.343365][ T8690] lock_acquire+0x1ab/0x510 [ 1846.347864][ T8690] ? lock_sock_nested+0x40/0x120 [ 1846.352842][ T8690] ? lock_release+0x720/0x720 [ 1846.357529][ T8690] ? del_timer+0xc5/0x110 [ 1846.361937][ T8690] _raw_spin_lock_bh+0x2f/0x40 [ 1846.366700][ T8690] ? lock_sock_nested+0x40/0x120 [ 1846.371633][ T8690] lock_sock_nested+0x40/0x120 [ 1846.376392][ T8690] l2cap_sock_teardown_cb+0xa1/0x660 [ 1846.381681][ T8690] l2cap_chan_del+0xbc/0xa80 [ 1846.386272][ T8690] l2cap_chan_close+0x1b9/0xaf0 [ 1846.391130][ T8690] ? l2cap_rx+0x1fb0/0x1fb0 [ 1846.395635][ T8690] ? lock_release+0x720/0x720 [ 1846.400322][ T8690] ? lock_downgrade+0x6e0/0x6e0 [ 1846.405169][ T8690] l2cap_chan_timeout+0x17e/0x2f0 [ 1846.410210][ T8690] process_one_work+0x98d/0x1630 [ 1846.415200][ T8690] ? pwq_dec_nr_in_flight+0x320/0x320 [ 1846.420573][ T8690] ? rwlock_bug.part.0+0x90/0x90 [ 1846.425505][ T8690] ? _raw_spin_lock_irq+0x41/0x50 [ 1846.430526][ T8690] worker_thread+0x658/0x11f0 [ 1846.435204][ T8690] ? process_one_work+0x1630/0x1630 [ 1846.440399][ T8690] kthread+0x3e5/0x4d0 [ 1846.444510][ T8690] ? set_kthread_struct+0x130/0x130 [ 1846.449718][ T8690] ret_from_fork+0x1f/0x30 [ 1846.454155][ T8690] [ 1846.456473][ T8690] Allocated by task 8743: [ 1846.460803][ T8690] kasan_save_stack+0x1b/0x40 [ 1846.465539][ T8690] __kasan_kmalloc+0xa1/0xd0 [ 1846.470129][ T8690] __kmalloc+0x214/0x4d0 [ 1846.474374][ T8690] sk_prot_alloc+0x110/0x290 [ 1846.478983][ T8690] sk_alloc+0x32/0xbc0 [ 1846.483084][ T8690] l2cap_sock_alloc.constprop.0+0x31/0x230 [ 1846.488910][ T8690] l2cap_sock_create+0x123/0x1f0 [ 1846.493881][ T8690] bt_sock_create+0x17c/0x340 [ 1846.498632][ T8690] __sock_create+0x353/0x790 [ 1846.503224][ T8690] __sys_socket+0xef/0x200 [ 1846.507634][ T8690] __x64_sys_socket+0x6f/0xb0 [ 1846.512308][ T8690] do_syscall_64+0x35/0xb0 [ 1846.516764][ T8690] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1846.522654][ T8690] [ 1846.524966][ T8690] Freed by task 8743: [ 1846.528934][ T8690] kasan_save_stack+0x1b/0x40 [ 1846.533605][ T8690] kasan_set_track+0x1c/0x30 [ 1846.538199][ T8690] kasan_set_free_info+0x20/0x30 [ 1846.543128][ T8690] __kasan_slab_free+0xd1/0x110 [ 1846.547971][ T8690] kfree+0x10a/0x2c0 [ 1846.551856][ T8690] __sk_destruct+0x6a8/0x900 [ 1846.556454][ T8690] sk_destruct+0xbd/0xe0 [ 1846.560704][ T8690] __sk_free+0xef/0x3d0 [ 1846.564856][ T8690] sk_free+0x78/0xa0 [ 1846.568749][ T8690] l2cap_sock_kill+0x203/0x240 [ 1846.573511][ T8690] l2cap_sock_release+0x184/0x200 [ 1846.578543][ T8690] __sock_release+0xcd/0x280 [ 1846.583123][ T8690] sock_close+0x18/0x20 [ 1846.587269][ T8690] __fput+0x288/0x920 [ 1846.591321][ T8690] task_work_run+0xdd/0x1a0 [ 1846.595826][ T8690] get_signal+0x1b35/0x2160 [ 1846.600353][ T8690] arch_do_signal_or_restart+0x2a9/0x1c40 [ 1846.606117][ T8690] exit_to_user_mode_prepare+0x17d/0x290 [ 1846.611776][ T8690] syscall_exit_to_user_mode+0x19/0x60 [ 1846.617228][ T8690] do_syscall_64+0x42/0xb0 [ 1846.621651][ T8690] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1846.627541][ T8690] [ 1846.629852][ T8690] The buggy address belongs to the object at ffff88803462c000 [ 1846.629852][ T8690] which belongs to the cache kmalloc-2k of size 2048 [ 1846.643990][ T8690] The buggy address is located 160 bytes inside of [ 1846.643990][ T8690] 2048-byte region [ffff88803462c000, ffff88803462c800) [ 1846.657379][ T8690] The buggy address belongs to the page: [ 1846.663266][ T8690] page:ffffea0000d18b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3462c [ 1846.673411][ T8690] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 1846.681049][ T8690] raw: 00fff00000000200 ffffea0000537ac8 ffffea0000d18b48 ffff888010840800 [ 1846.689626][ T8690] raw: 0000000000000000 ffff88803462c000 0000000100000001 0000000000000000 [ 1846.698203][ T8690] page dumped because: kasan: bad access detected [ 1846.704623][ T8690] page_owner tracks the page as allocated [ 1846.710325][ T8690] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x242220(__GFP_HIGH|__GFP_ATOMIC|__GFP_NOWARN|__GFP_COMP|__GFP_THISNODE), pid 8743, ts 1805593512502, free_ts 1803963626544 [ 1846.728991][ T8690] get_page_from_freelist+0xa72/0x2f80 [ 1846.734549][ T8690] __alloc_pages+0x1b2/0x500 [ 1846.739134][ T8690] cache_grow_begin+0x75/0x460 [ 1846.743909][ T8690] cache_alloc_refill+0x27f/0x380 [ 1846.749021][ T8690] __kmalloc+0x3d5/0x4d0 [ 1846.753255][ T8690] sk_prot_alloc+0x110/0x290 [ 1846.757842][ T8690] sk_alloc+0x32/0xbc0 [ 1846.761906][ T8690] l2cap_sock_alloc.constprop.0+0x31/0x230 [ 1846.767715][ T8690] l2cap_sock_create+0x123/0x1f0 [ 1846.772661][ T8690] bt_sock_create+0x17c/0x340 [ 1846.777337][ T8690] __sock_create+0x353/0x790 [ 1846.781920][ T8690] __sys_socket+0xef/0x200 [ 1846.786329][ T8690] __x64_sys_socket+0x6f/0xb0 [ 1846.791007][ T8690] do_syscall_64+0x35/0xb0 [ 1846.795420][ T8690] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1846.801306][ T8690] page last free stack trace: [ 1846.805961][ T8690] free_pcp_prepare+0x2c5/0x780 [ 1846.810807][ T8690] free_unref_page_list+0x1a1/0x1010 [ 1846.816361][ T8690] release_pages+0x824/0x20b0 [ 1846.821099][ T8690] tlb_finish_mmu+0x165/0x8c0 [ 1846.825816][ T8690] exit_mmap+0x1ea/0x620 [ 1846.830065][ T8690] __mmput+0x122/0x470 [ 1846.834199][ T8690] mmput+0x58/0x60 [ 1846.837926][ T8690] do_exit+0xae2/0x2a60 [ 1846.842078][ T8690] do_group_exit+0x125/0x310 [ 1846.846670][ T8690] __x64_sys_exit_group+0x3a/0x50 [ 1846.851703][ T8690] do_syscall_64+0x35/0xb0 [ 1846.856139][ T8690] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1846.862041][ T8690] [ 1846.864377][ T8690] Memory state around the buggy address: [ 1846.869998][ T8690] ffff88803462bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1846.878054][ T8690] ffff88803462c000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1846.886113][ T8690] >ffff88803462c080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1846.894164][ T8690] ^ [ 1846.899288][ T8690] ffff88803462c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1846.907337][ T8690] ffff88803462c180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1846.915381][ T8690] ================================================================== [ 1846.923426][ T8690] Disabling lock debugging due to kernel taint [ 1846.929561][ T8690] Kernel panic - not syncing: panic_on_warn set ... [ 1846.936130][ T8690] CPU: 0 PID: 8690 Comm: kworker/0:3 Tainted: G B 5.14.0-rc7-syzkaller #0 [ 1846.945940][ T8690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1846.955991][ T8690] Workqueue: events l2cap_chan_timeout [ 1846.961469][ T8690] Call Trace: [ 1846.964749][ T8690] dump_stack_lvl+0xcd/0x134 [ 1846.969350][ T8690] panic+0x306/0x73d [ 1846.973287][ T8690] ? __warn_printk+0xf3/0xf3 [ 1846.977895][ T8690] ? __lock_acquire+0x3d86/0x54a0 [ 1846.982917][ T8690] ? __lock_acquire+0x3d86/0x54a0 [ 1846.988109][ T8690] ? __lock_acquire+0x3d86/0x54a0 [ 1846.993129][ T8690] end_report.cold+0x5a/0x5a [ 1846.997721][ T8690] kasan_report.cold+0x71/0xdf [ 1847.002486][ T8690] ? __lock_acquire+0x3d86/0x54a0 [ 1847.007504][ T8690] __lock_acquire+0x3d86/0x54a0 [ 1847.012348][ T8690] ? call_rcu_zapped+0xb0/0xb0 [ 1847.017123][ T8690] ? mark_lock+0xef/0x17b0 [ 1847.021546][ T8690] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 1847.027358][ T8690] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1847.033330][ T8690] ? lock_chain_count+0x20/0x20 [ 1847.038178][ T8690] lock_acquire+0x1ab/0x510 [ 1847.042672][ T8690] ? lock_sock_nested+0x40/0x120 [ 1847.047614][ T8690] ? lock_release+0x720/0x720 [ 1847.052281][ T8690] ? del_timer+0xc5/0x110 [ 1847.056608][ T8690] _raw_spin_lock_bh+0x2f/0x40 [ 1847.061366][ T8690] ? lock_sock_nested+0x40/0x120 [ 1847.066293][ T8690] lock_sock_nested+0x40/0x120 [ 1847.071049][ T8690] l2cap_sock_teardown_cb+0xa1/0x660 [ 1847.076343][ T8690] l2cap_chan_del+0xbc/0xa80 [ 1847.080925][ T8690] l2cap_chan_close+0x1b9/0xaf0 [ 1847.085774][ T8690] ? l2cap_rx+0x1fb0/0x1fb0 [ 1847.090273][ T8690] ? lock_release+0x720/0x720 [ 1847.095289][ T8690] ? lock_downgrade+0x6e0/0x6e0 [ 1847.100130][ T8690] l2cap_chan_timeout+0x17e/0x2f0 [ 1847.105156][ T8690] process_one_work+0x98d/0x1630 [ 1847.110108][ T8690] ? pwq_dec_nr_in_flight+0x320/0x320 [ 1847.115476][ T8690] ? rwlock_bug.part.0+0x90/0x90 [ 1847.120406][ T8690] ? _raw_spin_lock_irq+0x41/0x50 [ 1847.125444][ T8690] worker_thread+0x658/0x11f0 [ 1847.130121][ T8690] ? process_one_work+0x1630/0x1630 [ 1847.135320][ T8690] kthread+0x3e5/0x4d0 [ 1847.139385][ T8690] ? set_kthread_struct+0x130/0x130 [ 1847.144664][ T8690] ret_from_fork+0x1f/0x30 [ 1847.149222][ T8690] Kernel Offset: disabled [ 1847.153577][ T8690] Rebooting in 86400 seconds..