[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts. 2021/08/15 04:58:42 parsed 1 programs 2021/08/15 04:58:42 executed programs: 0 syzkaller login: [ 1584.730106][ T8473] chnl_net:caif_netlink_parms(): no params data found [ 1584.777923][ T8473] bridge0: port 1(bridge_slave_0) entered blocking state [ 1584.786314][ T8473] bridge0: port 1(bridge_slave_0) entered disabled state [ 1584.794044][ T8473] device bridge_slave_0 entered promiscuous mode [ 1584.804163][ T8473] bridge0: port 2(bridge_slave_1) entered blocking state [ 1584.812250][ T8473] bridge0: port 2(bridge_slave_1) entered disabled state [ 1584.820662][ T8473] device bridge_slave_1 entered promiscuous mode [ 1584.839889][ T8473] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1584.850906][ T8473] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1584.873964][ T8473] team0: Port device team_slave_0 added [ 1584.881246][ T8473] team0: Port device team_slave_1 added [ 1584.899548][ T8473] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1584.906869][ T8473] 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. [ 1584.933222][ T8473] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1584.946132][ T8473] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1584.953063][ T8473] 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. [ 1584.979321][ T8473] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1585.004955][ T8473] device hsr_slave_0 entered promiscuous mode [ 1585.011878][ T8473] device hsr_slave_1 entered promiscuous mode [ 1585.107207][ T8473] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1585.118964][ T8473] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1585.127885][ T8473] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1585.137236][ T8473] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1585.158193][ T8473] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.165326][ T8473] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1585.172972][ T8473] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.180238][ T8473] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1585.216819][ T8473] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1585.229159][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1585.239762][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 1585.250189][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 1585.259184][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1585.271503][ T8473] 8021q: adding VLAN 0 to HW filter on device team0 [ 1585.282747][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1585.291069][ T8696] bridge0: port 1(bridge_slave_0) entered blocking state [ 1585.298171][ T8696] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1585.309453][ T8613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1585.318749][ T8613] bridge0: port 2(bridge_slave_1) entered blocking state [ 1585.326043][ T8613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1585.344035][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1585.352709][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1585.364970][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1585.380803][ T8473] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1585.391276][ T8473] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1585.404509][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1585.413715][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1585.422512][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1585.438090][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1585.445501][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1585.458924][ T8473] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1585.476066][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1585.493391][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1585.502530][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1585.511458][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1585.522873][ T8473] device veth0_vlan entered promiscuous mode [ 1585.534262][ T8473] device veth1_vlan entered promiscuous mode [ 1585.552396][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1585.560393][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1585.569014][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1585.580653][ T8473] device veth0_macvtap entered promiscuous mode [ 1585.589693][ T8473] device veth1_macvtap entered promiscuous mode [ 1585.606288][ T8473] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1585.613817][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1585.623552][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1585.636005][ T8473] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1585.643582][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1585.655299][ T8473] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.664106][ T8473] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.673786][ T8473] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.683001][ T8473] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1585.762413][ T149] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1585.792086][ T149] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1585.796646][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1585.811120][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1585.813041][ T8698] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1585.829106][ T8698] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1586.585498][ T35] Bluetooth: hci0: command 0x0409 tx timeout [ 1588.675040][ T8696] Bluetooth: hci0: command 0x041b tx timeout 2021/08/15 04:58:48 executed programs: 4 [ 1590.744543][ T35] Bluetooth: hci0: command 0x040f tx timeout [ 1592.824241][ T8698] Bluetooth: hci0: command 0x0419 tx timeout 2021/08/15 04:58:53 executed programs: 10 [ 1594.904159][ T8698] Bluetooth: hci0: command 0x0405 tx timeout 2021/08/15 04:58:58 executed programs: 16 2021/08/15 04:59:04 executed programs: 22 [ 1607.144770][ T3254] ieee802154 phy0 wpan0: encryption failed: -22 [ 1607.151242][ T3254] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/15 04:59:09 executed programs: 28 2021/08/15 04:59:14 executed programs: 34 2021/08/15 04:59:19 executed programs: 40 2021/08/15 04:59:24 executed programs: 46 2021/08/15 04:59:29 executed programs: 52 2021/08/15 04:59:34 executed programs: 58 [ 1639.142661][ T8698] ================================================================== [ 1639.150731][ T8698] BUG: KASAN: use-after-free in __lock_acquire+0xfe/0x6100 [ 1639.158094][ T8698] Read of size 8 at addr ffff8880311f60a0 by task kworker/0:4/8698 [ 1639.166057][ T8698] [ 1639.168395][ T8698] CPU: 0 PID: 8698 Comm: kworker/0:4 Not tainted 5.14.0-rc5-syzkaller #0 [ 1639.176799][ T8698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1639.186835][ T8698] Workqueue: events l2cap_chan_timeout [ 1639.192330][ T8698] Call Trace: [ 1639.195593][ T8698] dump_stack_lvl+0x1ae/0x29f [ 1639.200289][ T8698] ? show_regs_print_info+0x12/0x12 [ 1639.205488][ T8698] ? printk+0xc0/0x108 [ 1639.209577][ T8698] ? wake_up_klogd+0xb2/0xf0 [ 1639.214147][ T8698] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 1639.219849][ T8698] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 1639.225328][ T8698] ? _raw_spin_lock+0x40/0x40 [ 1639.229988][ T8698] print_address_description+0x66/0x3b0 [ 1639.235593][ T8698] kasan_report+0x163/0x210 [ 1639.240080][ T8698] ? __lock_acquire+0xfe/0x6100 [ 1639.244918][ T8698] __lock_acquire+0xfe/0x6100 [ 1639.249579][ T8698] ? del_timer+0x7e/0x390 [ 1639.253923][ T8698] ? rcu_read_lock_sched_held+0x87/0x110 [ 1639.259579][ T8698] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1639.265551][ T8698] ? trace_lock_acquire+0x190/0x190 [ 1639.270748][ T8698] ? __bfs+0x700/0x700 [ 1639.274799][ T8698] ? mark_lock+0x199/0x1eb0 [ 1639.279289][ T8698] ? __bfs+0x700/0x700 [ 1639.283338][ T8698] ? do_raw_spin_unlock+0x134/0x8a0 [ 1639.288528][ T8698] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 1639.293975][ T8698] ? rcu_read_lock_sched_held+0x87/0x110 [ 1639.299591][ T8698] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1639.305557][ T8698] lock_acquire+0x182/0x4a0 [ 1639.310056][ T8698] ? lock_sock_nested+0x48/0x110 [ 1639.315055][ T8698] ? read_lock_is_recursive+0x10/0x10 [ 1639.320407][ T8698] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1639.326547][ T8698] ? __local_bh_disable_ip+0x130/0x1c0 [ 1639.332016][ T8698] ? __bpf_trace_softirq+0x10/0x10 [ 1639.337110][ T8698] ? cancel_delayed_work+0x2b6/0x360 [ 1639.342411][ T8698] ? cancel_delayed_work+0x2be/0x360 [ 1639.347679][ T8698] ? lock_sock_nested+0x48/0x110 [ 1639.352682][ T8698] _raw_spin_lock_bh+0x31/0x40 [ 1639.357441][ T8698] ? lock_sock_nested+0x48/0x110 [ 1639.362455][ T8698] lock_sock_nested+0x48/0x110 [ 1639.367212][ T8698] l2cap_sock_teardown_cb+0x76/0x360 [ 1639.372580][ T8698] l2cap_chan_del+0xaf/0x610 [ 1639.377148][ T8698] ? l2cap_chan_close+0x8b/0x520 [ 1639.382064][ T8698] l2cap_chan_timeout+0x12c/0x280 [ 1639.387067][ T8698] process_one_work+0x833/0x10c0 [ 1639.392024][ T8698] ? worker_detach_from_pool+0x260/0x260 [ 1639.397643][ T8698] ? _raw_spin_lock_irqsave+0x100/0x100 [ 1639.403174][ T8698] ? kthread_data+0x4d/0xc0 [ 1639.407758][ T8698] ? wq_worker_running+0x8b/0x140 [ 1639.412824][ T8698] worker_thread+0xac1/0x1320 [ 1639.417498][ T8698] ? __kthread_parkme+0x166/0x1c0 [ 1639.422511][ T8698] kthread+0x453/0x480 [ 1639.426564][ T8698] ? rcu_lock_release+0x20/0x20 [ 1639.431395][ T8698] ? kthread_blkcg+0xd0/0xd0 [ 1639.435969][ T8698] ret_from_fork+0x1f/0x30 [ 1639.440389][ T8698] [ 1639.442693][ T8698] Allocated by task 8807: [ 1639.447014][ T8698] ____kasan_kmalloc+0xc4/0xf0 [ 1639.451764][ T8698] __kmalloc+0xb4/0x390 [ 1639.455906][ T8698] sk_prot_alloc+0xf4/0x230 [ 1639.460412][ T8698] sk_alloc+0x35/0x300 [ 1639.464469][ T8698] l2cap_sock_alloc+0x34/0x1d0 [ 1639.469229][ T8698] l2cap_sock_create+0x113/0x1d0 [ 1639.474173][ T8698] bt_sock_create+0x15b/0x220 [ 1639.478908][ T8698] __sock_create+0x580/0x8d0 [ 1639.483503][ T8698] __sys_socket+0x115/0x350 [ 1639.487993][ T8698] __x64_sys_socket+0x76/0x80 [ 1639.492656][ T8698] do_syscall_64+0x3d/0xb0 [ 1639.497214][ T8698] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1639.503098][ T8698] [ 1639.505404][ T8698] Freed by task 8807: [ 1639.509382][ T8698] kasan_set_track+0x3d/0x70 [ 1639.513963][ T8698] kasan_set_free_info+0x1f/0x40 [ 1639.518885][ T8698] ____kasan_slab_free+0x109/0x150 [ 1639.523978][ T8698] slab_free_freelist_hook+0x1d8/0x290 [ 1639.529592][ T8698] kfree+0xcf/0x2e0 [ 1639.533384][ T8698] __sk_destruct+0x57f/0x830 [ 1639.538000][ T8698] l2cap_sock_release+0x149/0x1c0 [ 1639.543013][ T8698] sock_close+0xd8/0x260 [ 1639.547247][ T8698] __fput+0x352/0x7b0 [ 1639.551266][ T8698] task_work_run+0x146/0x1c0 [ 1639.555843][ T8698] get_signal+0x1fd9/0x2080 [ 1639.560331][ T8698] arch_do_signal_or_restart+0x8e/0x6d0 [ 1639.565904][ T8698] exit_to_user_mode_prepare+0x191/0x220 [ 1639.571537][ T8698] syscall_exit_to_user_mode+0x26/0x60 [ 1639.577329][ T8698] do_syscall_64+0x4c/0xb0 [ 1639.581738][ T8698] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1639.587618][ T8698] [ 1639.589924][ T8698] The buggy address belongs to the object at ffff8880311f6000 [ 1639.589924][ T8698] which belongs to the cache kmalloc-2k of size 2048 [ 1639.604047][ T8698] The buggy address is located 160 bytes inside of [ 1639.604047][ T8698] 2048-byte region [ffff8880311f6000, ffff8880311f6800) [ 1639.617502][ T8698] The buggy address belongs to the page: [ 1639.623147][ T8698] page:ffffea0000c47c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880311f4000 pfn:0x311f0 [ 1639.634580][ T8698] head:ffffea0000c47c00 order:3 compound_mapcount:0 compound_pincount:0 [ 1639.642889][ T8698] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 1639.651473][ T8698] raw: 00fff00000010200 ffffea0000b19a00 0000000200000002 ffff888011042000 [ 1639.660042][ T8698] raw: ffff8880311f4000 0000000080080004 00000001ffffffff 0000000000000000 [ 1639.668601][ T8698] page dumped because: kasan: bad access detected [ 1639.674989][ T8698] page_owner tracks the page as allocated [ 1639.680684][ T8698] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x52a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 8795, ts 1596947593189, free_ts 1596947331368 [ 1639.698026][ T8698] get_page_from_freelist+0x779/0xa30 [ 1639.703454][ T8698] __alloc_pages+0x26c/0x5f0 [ 1639.708024][ T8698] allocate_slab+0xf1/0x540 [ 1639.712505][ T8698] ___slab_alloc+0x1cf/0x350 [ 1639.717073][ T8698] __kmalloc+0x2e7/0x390 [ 1639.721293][ T8698] sk_prot_alloc+0xf4/0x230 [ 1639.725790][ T8698] sk_alloc+0x35/0x300 [ 1639.729840][ T8698] l2cap_sock_alloc+0x34/0x1d0 [ 1639.734584][ T8698] l2cap_sock_create+0x113/0x1d0 [ 1639.739702][ T8698] bt_sock_create+0x15b/0x220 [ 1639.744363][ T8698] __sock_create+0x580/0x8d0 [ 1639.748936][ T8698] __sys_socket+0x115/0x350 [ 1639.753437][ T8698] __x64_sys_socket+0x76/0x80 [ 1639.758106][ T8698] do_syscall_64+0x3d/0xb0 [ 1639.762504][ T8698] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1639.768374][ T8698] page last free stack trace: [ 1639.773041][ T8698] free_pcp_prepare+0xc29/0xd20 [ 1639.777875][ T8698] free_unref_page+0x7e/0x550 [ 1639.782545][ T8698] unfreeze_partials+0x18c/0x1e0 [ 1639.787458][ T8698] put_cpu_partial+0xd2/0x210 [ 1639.792198][ T8698] __slab_free+0x3a8/0x6b0 [ 1639.796590][ T8698] ___cache_free+0xfc/0x120 [ 1639.801068][ T8698] kasan_quarantine_reduce+0x151/0x1c0 [ 1639.806507][ T8698] __kasan_slab_alloc+0x2f/0xd0 [ 1639.811336][ T8698] kmem_cache_alloc+0x1d1/0x340 [ 1639.816171][ T8698] getname_flags+0xba/0x640 [ 1639.820707][ T8698] do_sys_openat2+0xba/0x460 [ 1639.825272][ T8698] __x64_sys_openat+0x243/0x290 [ 1639.830100][ T8698] do_syscall_64+0x3d/0xb0 [ 1639.834497][ T8698] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1639.840369][ T8698] [ 1639.842686][ T8698] Memory state around the buggy address: [ 1639.848289][ T8698] ffff8880311f5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1639.856324][ T8698] ffff8880311f6000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1639.864383][ T8698] >ffff8880311f6080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1639.872420][ T8698] ^ [ 1639.877503][ T8698] ffff8880311f6100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1639.885560][ T8698] ffff8880311f6180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1639.893592][ T8698] ================================================================== [ 1639.901626][ T8698] Disabling lock debugging due to kernel taint [ 1639.907759][ T8698] Kernel panic - not syncing: panic_on_warn set ... [ 1639.914345][ T8698] CPU: 0 PID: 8698 Comm: kworker/0:4 Tainted: G B 5.14.0-rc5-syzkaller #0 [ 1639.924219][ T8698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1639.934255][ T8698] Workqueue: events l2cap_chan_timeout [ 1639.939698][ T8698] Call Trace: [ 1639.942961][ T8698] dump_stack_lvl+0x1ae/0x29f [ 1639.947631][ T8698] ? show_regs_print_info+0x12/0x12 [ 1639.952810][ T8698] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 1639.958512][ T8698] panic+0x2e1/0x850 [ 1639.962390][ T8698] ? nmi_panic+0x90/0x90 [ 1639.966609][ T8698] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 1639.972480][ T8698] ? rcu_read_lock_sched_held+0x87/0x110 [ 1639.978095][ T8698] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1639.984059][ T8698] kasan_report+0x206/0x210 [ 1639.988554][ T8698] ? __lock_acquire+0xfe/0x6100 [ 1639.993390][ T8698] __lock_acquire+0xfe/0x6100 [ 1639.998050][ T8698] ? del_timer+0x7e/0x390 [ 1640.002358][ T8698] ? rcu_read_lock_sched_held+0x87/0x110 [ 1640.007971][ T8698] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1640.013937][ T8698] ? trace_lock_acquire+0x190/0x190 [ 1640.019128][ T8698] ? __bfs+0x700/0x700 [ 1640.023173][ T8698] ? mark_lock+0x199/0x1eb0 [ 1640.027654][ T8698] ? __bfs+0x700/0x700 [ 1640.031703][ T8698] ? do_raw_spin_unlock+0x134/0x8a0 [ 1640.036881][ T8698] ? _raw_spin_lock_irqsave+0xbf/0x100 [ 1640.042338][ T8698] ? rcu_read_lock_sched_held+0x87/0x110 [ 1640.048037][ T8698] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1640.054004][ T8698] lock_acquire+0x182/0x4a0 [ 1640.058486][ T8698] ? lock_sock_nested+0x48/0x110 [ 1640.063410][ T8698] ? read_lock_is_recursive+0x10/0x10 [ 1640.068870][ T8698] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1640.075008][ T8698] ? __local_bh_disable_ip+0x130/0x1c0 [ 1640.080450][ T8698] ? __bpf_trace_softirq+0x10/0x10 [ 1640.085630][ T8698] ? cancel_delayed_work+0x2b6/0x360 [ 1640.090902][ T8698] ? cancel_delayed_work+0x2be/0x360 [ 1640.096174][ T8698] ? lock_sock_nested+0x48/0x110 [ 1640.101100][ T8698] _raw_spin_lock_bh+0x31/0x40 [ 1640.105957][ T8698] ? lock_sock_nested+0x48/0x110 [ 1640.110876][ T8698] lock_sock_nested+0x48/0x110 [ 1640.115636][ T8698] l2cap_sock_teardown_cb+0x76/0x360 [ 1640.120907][ T8698] l2cap_chan_del+0xaf/0x610 [ 1640.125475][ T8698] ? l2cap_chan_close+0x8b/0x520 [ 1640.130393][ T8698] l2cap_chan_timeout+0x12c/0x280 [ 1640.135401][ T8698] process_one_work+0x833/0x10c0 [ 1640.140339][ T8698] ? worker_detach_from_pool+0x260/0x260 [ 1640.145957][ T8698] ? _raw_spin_lock_irqsave+0x100/0x100 [ 1640.151482][ T8698] ? kthread_data+0x4d/0xc0 [ 1640.155967][ T8698] ? wq_worker_running+0x8b/0x140 [ 1640.160977][ T8698] worker_thread+0xac1/0x1320 [ 1640.165659][ T8698] ? __kthread_parkme+0x166/0x1c0 [ 1640.170665][ T8698] kthread+0x453/0x480 [ 1640.174712][ T8698] ? rcu_lock_release+0x20/0x20 [ 1640.179541][ T8698] ? kthread_blkcg+0xd0/0xd0 [ 1640.184108][ T8698] ret_from_fork+0x1f/0x30 [ 1640.189882][ T8698] Kernel Offset: disabled [ 1640.194191][ T8698] Rebooting in 86400 seconds..