[ 27.619918][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.630518][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 53.250080][ T3603] can: request_module (can-proto-0) failed. [ 53.271957][ T3603] can: request_module (can-proto-0) failed. [ 53.293694][ T3603] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.32' (ECDSA) to the list of known hosts. 2022/09/30 18:01:21 parsed 1 programs 2022/09/30 18:01:22 executed programs: 0 [ 73.115008][ T3682] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 73.123314][ T3682] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.131650][ T3682] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.139843][ T3682] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.148028][ T3682] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 73.155283][ T3682] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 73.236277][ T3681] chnl_net:caif_netlink_parms(): no params data found [ 73.280955][ T3681] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.289078][ T3681] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.297402][ T3681] device bridge_slave_0 entered promiscuous mode [ 73.306656][ T3681] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.313773][ T3681] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.321753][ T3681] device bridge_slave_1 entered promiscuous mode [ 73.343673][ T3681] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.355156][ T3681] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.378144][ T3681] team0: Port device team_slave_0 added [ 73.386278][ T3681] team0: Port device team_slave_1 added [ 73.403926][ T3681] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.410972][ T3681] 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. [ 73.437691][ T3681] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.450148][ T3681] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.457467][ T3681] 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. [ 73.484109][ T3681] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.510223][ T3681] device hsr_slave_0 entered promiscuous mode [ 73.517594][ T3681] device hsr_slave_1 entered promiscuous mode [ 73.601605][ T3681] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.612260][ T3681] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.621730][ T3681] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.631289][ T3681] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.652645][ T3681] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.659859][ T3681] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.667945][ T3681] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.675249][ T3681] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.721814][ T3681] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.734951][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.746989][ T142] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.757825][ T142] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.766689][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.781095][ T3681] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.793041][ T3690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.802182][ T3690] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.809464][ T3690] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.820845][ T142] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.830700][ T142] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.838003][ T142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.857060][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.874077][ T3681] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.886097][ T3681] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.900338][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.909060][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.917662][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.926996][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.936641][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.956750][ T3681] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.965108][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.973172][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.078608][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.095587][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.104023][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.112370][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.122798][ T3681] device veth0_vlan entered promiscuous mode [ 74.135199][ T3681] device veth1_vlan entered promiscuous mode [ 74.154622][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.163651][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.172561][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.183086][ T3681] device veth0_macvtap entered promiscuous mode [ 74.193401][ T3681] device veth1_macvtap entered promiscuous mode [ 74.210436][ T3681] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.218943][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.229166][ T3691] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.241263][ T3681] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.250096][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.259195][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.272340][ T3681] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.283591][ T3681] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.292576][ T3681] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.301610][ T3681] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.431828][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 75.187162][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 75.210965][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 76.388106][ T15] cfg80211: failed to load regulatory.db [ 77.265955][ T15] Bluetooth: hci0: command 0x041b tx timeout [ 79.345518][ T2988] Bluetooth: hci0: command 0x040f tx timeout [ 81.425528][ T3693] Bluetooth: hci0: command 0x0419 tx timeout [ 196.225513][ T2988] Bluetooth: hci0: command 0x0406 tx timeout [ 286.305589][ T29] INFO: task syz-executor.0:3714 blocked for more than 143 seconds. [ 286.313806][ T29] Not tainted 6.0.0-rc7-syzkaller-00180-g70575e77839f #0 [ 286.323933][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.332994][ T29] task:syz-executor.0 state:D stack:26544 pid: 3714 ppid: 3681 flags:0x00004004 [ 286.343990][ T29] Call Trace: [ 286.347612][ T29] [ 286.350546][ T29] __schedule+0x957/0xe20 [ 286.354947][ T29] ? release_firmware_map_entry+0x184/0x184 [ 286.361235][ T29] schedule+0xcb/0x190 [ 286.365708][ T29] schedule_timeout+0xac/0x300 [ 286.370497][ T29] ? console_conditional_schedule+0x40/0x40 [ 286.376781][ T29] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 286.382871][ T29] ? do_raw_spin_unlock+0x134/0x8a0 [ 286.388543][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.393823][ T29] ? lockdep_hardirqs_on+0x95/0x140 [ 286.399542][ T29] do_wait_for_common+0x3ea/0x560 [ 286.405095][ T29] ? console_conditional_schedule+0x40/0x40 [ 286.411398][ T29] ? bit_wait_io_timeout+0x110/0x110 [ 286.417569][ T29] ? _raw_spin_lock_irq+0xdb/0x110 [ 286.422886][ T29] ? start_flush_work+0x7a2/0x850 [ 286.428300][ T29] wait_for_completion+0x46/0x60 [ 286.433369][ T29] __flush_work+0x124/0x1a0 [ 286.438473][ T29] ? flush_work+0x20/0x20 [ 286.442942][ T29] ? start_flush_work+0x850/0x850 [ 286.448590][ T29] ? print_irqtrace_events+0x220/0x220 [ 286.454078][ T29] ? __cancel_work_timer+0x465/0x6a0 [ 286.459720][ T29] __cancel_work_timer+0x517/0x6a0 [ 286.464840][ T29] ? __lock_acquire+0x1292/0x1f60 [ 286.470823][ T29] ? cancel_work_sync+0x20/0x20 [ 286.476736][ T29] ? read_lock_is_recursive+0x10/0x10 [ 286.482249][ T29] tls_sk_proto_close+0x120/0x970 [ 286.488020][ T29] ? tls_getsockopt+0x1490/0x1490 [ 286.493048][ T29] ? down_write+0x10d/0x170 [ 286.497947][ T29] ? ip_mc_drop_socket+0x251/0x260 [ 286.503467][ T29] inet_release+0x184/0x1e0 [ 286.508405][ T29] sock_close+0xd7/0x260 [ 286.512861][ T29] ? __fput+0x3ac/0x820 [ 286.517557][ T29] ? sock_mmap+0x90/0x90 [ 286.521982][ T29] __fput+0x3b9/0x820 [ 286.526462][ T29] task_work_run+0x146/0x1c0 [ 286.531094][ T29] exit_to_user_mode_loop+0x134/0x160 [ 286.536730][ T29] exit_to_user_mode_prepare+0xad/0x110 [ 286.542551][ T29] syscall_exit_to_user_mode+0x2e/0x60 [ 286.548350][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.554292][ T29] RIP: 0033:0x4181ab [ 286.558330][ T29] RSP: 002b:00007fffe0fcfe00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 286.566972][ T29] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000004181ab [ 286.575137][ T29] RDX: 0000000000000000 RSI: 0000001b31c20110 RDI: 0000000000000004 [ 286.583721][ T29] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000001b31c20118 [ 286.592036][ T29] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000055d900 [ 286.600210][ T29] R13: 000000000055d900 R14: 000000000055cf00 R15: 000000000055cf00 [ 286.609035][ T29] [ 286.612211][ T29] [ 286.612211][ T29] Showing all locks held in the system: [ 286.620138][ T29] 3 locks held by kworker/0:0/7: [ 286.625517][ T29] #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 [ 286.636225][ T29] #1: ffffc900000c7d00 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 [ 286.649272][ T29] #2: ffff888022bcf4d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x111/0x150 [ 286.659326][ T29] 1 lock held by rcu_tasks_kthre/13: [ 286.664858][ T29] #0: ffffffff8cd20a70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.675984][ T29] 1 lock held by rcu_tasks_trace/14: [ 286.681834][ T29] #0: ffffffff8cd21270 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.693089][ T29] 1 lock held by khungtaskd/29: [ 286.697998][ T29] #0: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.707570][ T29] 2 locks held by getty/3284: [ 286.712273][ T29] #0: ffff8880275ad098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.722198][ T29] #1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 [ 286.732497][ T29] 1 lock held by syz-executor.0/3714: [ 286.737998][ T29] #0: ffff8880758c1410 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x93/0x260 [ 286.748136][ T29] [ 286.750467][ T29] ============================================= [ 286.750467][ T29] [ 286.759101][ T29] NMI backtrace for cpu 1 [ 286.763437][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-00180-g70575e77839f #0 [ 286.773231][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 286.783595][ T29] Call Trace: [ 286.787054][ T29] [ 286.790008][ T29] dump_stack_lvl+0x1e3/0x2cb [ 286.794713][ T29] ? io_alloc_page_table+0x110/0x110 [ 286.799994][ T29] ? panic+0x76b/0x76b [ 286.804129][ T29] ? console_unlock+0x6bd/0x6f0 [ 286.809080][ T29] ? console_trylock_spinning+0x450/0x450 [ 286.814876][ T29] ? nmi_cpu_backtrace+0x248/0x4b0 [ 286.820116][ T29] nmi_cpu_backtrace+0x47c/0x4b0 [ 286.825350][ T29] ? vprintk_emit+0x109/0x1e0 [ 286.830029][ T29] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 286.836284][ T29] ? _printk+0xcf/0x10f [ 286.840469][ T29] ? panic+0x76b/0x76b [ 286.844541][ T29] ? __wake_up_klogd+0xcd/0x100 [ 286.849531][ T29] ? panic+0x76b/0x76b [ 286.853689][ T29] ? __rcu_read_unlock+0x8f/0x100 [ 286.858708][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.864950][ T29] nmi_trigger_cpumask_backtrace+0x169/0x280 [ 286.871128][ T29] watchdog+0xcd5/0xd20 [ 286.875452][ T29] kthread+0x266/0x300 [ 286.879630][ T29] ? hungtask_pm_notify+0x50/0x50 [ 286.884998][ T29] ? kthread_blkcg+0xd0/0xd0 [ 286.890058][ T29] ret_from_fork+0x1f/0x30 [ 286.894869][ T29] [ 286.898118][ T29] Sending NMI from CPU 1 to CPUs 0: [ 286.903339][ C0] NMI backtrace for cpu 0 [ 286.903349][ C0] CPU: 0 PID: 1091 Comm: kworker/u4:5 Not tainted 6.0.0-rc7-syzkaller-00180-g70575e77839f #0 [ 286.903364][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 286.903372][ C0] Workqueue: events_unbound toggle_allocation_gate [ 286.903493][ C0] RIP: 0010:kasan_report+0x16/0x130 [ 286.903508][ C0] Code: e8 db 6d 5a 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 40 48 c7 04 24 00 00 00 00 <9c> 8f 04 24 0f 01 ca 4c 8b 24 24 48 c7 44 24 28 00 00 00 00 48 c7 [ 286.903519][ C0] RSP: 0018:ffffc90004c3f6d0 EFLAGS: 00000082 [ 286.903530][ C0] RAX: ffff88802038bb01 RBX: ffffffff81320625 RCX: ffffffff81320625 [ 286.903540][ C0] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00002aaaaaaab4af [ 286.903549][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1f311b4 [ 286.903558][ C0] R10: fffffbfff1f311b4 R11: 1ffffffff1f311b3 R12: 0000000000000001 [ 286.903568][ C0] R13: ffffc90004c3f860 R14: ffffffff8f988d9a R15: 00002aaaaaaab4af [ 286.903577][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 286.903589][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.903598][ C0] CR2: 00005620317dc058 CR3: 0000000012307000 CR4: 00000000003506f0 [ 286.903611][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.903618][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.903626][ C0] Call Trace: [ 286.903630][ C0] [ 286.903637][ C0] ? switch_mm+0x190/0x190 [ 286.903685][ C0] ? text_poke_memcpy+0x5/0x10 [ 286.903726][ C0] kasan_check_range+0x2a7/0x2e0 [ 286.903739][ C0] ? text_poke_memcpy+0x5/0x10 [ 286.903751][ C0] memcpy+0x3c/0x60 [ 286.903763][ C0] ? __text_poke+0x9d0/0x9d0 [ 286.903774][ C0] ? __kmalloc_node+0xff/0x420 [ 286.903803][ C0] text_poke_memcpy+0x5/0x10 [ 286.903815][ C0] __text_poke+0x609/0x9d0 [ 286.903827][ C0] ? __kmalloc_node+0xff/0x420 [ 286.903841][ C0] ? __text_poke+0x9d0/0x9d0 [ 286.903854][ C0] ? text_poke+0x90/0x90 [ 286.903865][ C0] ? __kmalloc_node_track_caller+0xfb/0x400 [ 286.903879][ C0] ? perf_event_text_poke+0x24f/0x320 [ 286.903915][ C0] ? rcu_read_lock_sched_held+0x89/0x130 [ 286.903933][ C0] ? perf_event_bpf_output+0x240/0x240 [ 286.903949][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 286.903971][ C0] text_poke_bp_batch+0x6bc/0x970 [ 286.903987][ C0] ? __kmalloc_node_track_caller+0xfc/0x400 [ 286.904003][ C0] ? text_poke_loc_init+0x510/0x510 [ 286.904019][ C0] ? __jump_label_update+0x38e/0x3b0 [ 286.904054][ C0] text_poke_finish+0x16/0x30 [ 286.904066][ C0] arch_jump_label_transform_apply+0x13/0x20 [ 286.904101][ C0] static_key_enable_cpuslocked+0x129/0x250 [ 286.904118][ C0] static_key_enable+0x16/0x20 [ 286.904132][ C0] toggle_allocation_gate+0xbf/0x470 [ 286.904147][ C0] ? virt_to_slab+0x2c0/0x2c0 [ 286.904163][ C0] ? rcu_read_lock_sched_held+0x89/0x130 [ 286.904177][ C0] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 286.904191][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 286.904214][ C0] process_one_work+0x81c/0xd10 [ 286.904238][ C0] ? worker_detach_from_pool+0x260/0x260 [ 286.904255][ C0] ? _raw_spin_lock_irqsave+0x120/0x120 [ 286.904269][ C0] ? kthread_data+0x4d/0xc0 [ 286.904285][ C0] ? wq_worker_running+0x95/0x190 [ 286.904300][ C0] worker_thread+0xb14/0x1330 [ 286.904320][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 286.904342][ C0] kthread+0x266/0x300 [ 286.904355][ C0] ? rcu_lock_release+0x20/0x20 [ 286.904369][ C0] ? kthread_blkcg+0xd0/0xd0 [ 286.904383][ C0] ret_from_fork+0x1f/0x30 [ 286.904403][ C0] [ 286.906612][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 286.906624][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-00180-g70575e77839f #0 [ 286.906641][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 286.906650][ T29] Call Trace: [ 286.906655][ T29] [ 286.906662][ T29] dump_stack_lvl+0x1e3/0x2cb [ 286.906685][ T29] ? io_alloc_page_table+0x110/0x110 [ 286.906701][ T29] ? panic+0x76b/0x76b [ 286.906725][ T29] ? vscnprintf+0x59/0x80 [ 286.906743][ T29] panic+0x316/0x76b [ 286.906759][ T29] ? schedule_preempt_disabled+0x20/0x20 [ 286.906777][ T29] ? nmi_trigger_cpumask_backtrace+0x205/0x280 [ 286.906795][ T29] ? fb_is_primary_device+0xcc/0xcc [ 286.906813][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.906835][ T29] ? nmi_trigger_cpumask_backtrace+0x205/0x280 [ 286.906851][ T29] ? nmi_trigger_cpumask_backtrace+0x265/0x280 [ 286.906875][ T29] watchdog+0xd16/0xd20 [ 286.906902][ T29] kthread+0x266/0x300 [ 286.906918][ T29] ? hungtask_pm_notify+0x50/0x50 [ 286.906933][ T29] ? kthread_blkcg+0xd0/0xd0 [ 286.906950][ T29] ret_from_fork+0x1f/0x30 [ 286.906980][ T29] [ 286.910122][ T29] Kernel Offset: disabled [ 287.389835][ T29] Rebooting in 86400 seconds..