[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.286009][ T26] audit: type=1800 audit(1581866406.118:25): pid=8660 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.318515][ T26] audit: type=1800 audit(1581866406.118:26): pid=8660 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.352145][ T26] audit: type=1800 audit(1581866406.118:27): pid=8660 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts. syzkaller login: [ 62.191618][ T8815] IPVS: ftp: loaded support on port[0] = 21 [ 62.233727][ T8815] chnl_net:caif_netlink_parms(): no params data found [ 62.265740][ T8815] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.273240][ T8815] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.280955][ T8815] device bridge_slave_0 entered promiscuous mode [ 62.289444][ T8815] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.296676][ T8815] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.304572][ T8815] device bridge_slave_1 entered promiscuous mode [ 62.320254][ T8815] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.330907][ T8815] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.348761][ T8815] team0: Port device team_slave_0 added [ 62.355870][ T8815] team0: Port device team_slave_1 added [ 62.369139][ T8815] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.376156][ T8815] 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. [ 62.402187][ T8815] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.414527][ T8815] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.421627][ T8815] 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. [ 62.454511][ T8815] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.542942][ T8815] device hsr_slave_0 entered promiscuous mode [ 62.621519][ T8815] device hsr_slave_1 entered promiscuous mode [ 62.753080][ T8815] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.774062][ T8815] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.843913][ T8815] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.893657][ T8815] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.984231][ T8815] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.991403][ T8815] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.998952][ T8815] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.006090][ T8815] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.043348][ T8815] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.055744][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.066476][ T2757] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.074913][ T2757] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.082906][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 63.095832][ T8815] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.106391][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.115801][ T2723] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.122910][ T2723] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.134061][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.142932][ T2757] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.149987][ T2757] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.172311][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.180878][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.189382][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.200768][ T8815] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.213119][ T8815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.222702][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.230685][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.249529][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.257069][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.268750][ T8815] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.285091][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.295136][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.317419][ T8815] device veth0_vlan entered promiscuous mode [ 63.324433][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.333416][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.342716][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.350401][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.363668][ T8815] device veth1_vlan entered promiscuous mode [ 63.380782][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.389057][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.397295][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.406038][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.417742][ T8815] device veth0_macvtap entered promiscuous mode [ 63.427226][ T8815] device veth1_macvtap entered promiscuous mode [ 63.442368][ T8815] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.449806][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.458580][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.466622][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.475449][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.486970][ T8815] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.495008][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.504129][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 63.681435][ C1] ================================================================== [ 63.689753][ C1] BUG: KASAN: use-after-free in l3mdev_master_ifindex_rcu+0xfa/0x130 [ 63.697800][ C1] Read of size 4 at addr ffff88808f3ac21c by task swapper/1/0 [ 63.705245][ C1] [ 63.707926][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc1-syzkaller #0 [ 63.715810][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.725857][ C1] Call Trace: [ 63.729121][ C1] [ 63.731953][ C1] dump_stack+0x1fb/0x318 [ 63.736267][ C1] print_address_description+0x74/0x5c0 [ 63.741800][ C1] ? vprintk_default+0x28/0x30 [ 63.746539][ C1] ? vprintk_func+0x158/0x170 [ 63.751199][ C1] ? printk+0x62/0x8d [ 63.755216][ C1] __kasan_report+0x149/0x1c0 [ 63.759891][ C1] ? l3mdev_master_ifindex_rcu+0xfa/0x130 [ 63.765611][ C1] kasan_report+0x26/0x50 [ 63.769929][ C1] ? __ipv6_dev_get_saddr+0x41f/0x440 [ 63.775300][ C1] __asan_report_load4_noabort+0x14/0x20 [ 63.781023][ C1] l3mdev_master_ifindex_rcu+0xfa/0x130 [ 63.786562][ C1] ipv6_dev_get_saddr+0x229/0x9f0 [ 63.791818][ C1] ? __kasan_check_read+0x11/0x20 [ 63.796860][ C1] ip6_dst_lookup_tail+0xe52/0x12b0 [ 63.802071][ C1] ip6_dst_lookup_flow+0x6e/0x110 [ 63.807097][ C1] ? ip6_dst_lookup_tail+0x12b0/0x12b0 [ 63.812553][ C1] geneve_get_v6_dst+0x459/0x660 [ 63.817523][ C1] geneve_xmit+0x71f/0x1f70 [ 63.822066][ C1] dev_hard_start_xmit+0x1b1/0x3f0 [ 63.827182][ C1] __dev_queue_xmit+0x1e1f/0x2e70 [ 63.832319][ C1] ? ip6_finish_output2+0xcb5/0x13e0 [ 63.837602][ C1] ? ip6_finish_output2+0xde9/0x13e0 [ 63.842943][ C1] dev_queue_xmit+0x17/0x20 [ 63.847502][ C1] ip6_finish_output2+0x101d/0x13e0 [ 63.852753][ C1] __ip6_finish_output+0x693/0x8c0 [ 63.857915][ C1] ip6_finish_output+0x52/0x1e0 [ 63.862783][ C1] ? ip6_output+0x2ad/0x3c0 [ 63.868522][ C1] ip6_output+0x2c2/0x3c0 [ 63.872855][ C1] mld_sendpack+0x770/0xb80 [ 63.877376][ C1] mld_ifc_timer_expire+0x85b/0xc60 [ 63.882565][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 63.888288][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 63.893573][ C1] call_timer_fn+0x95/0x170 [ 63.898139][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 63.903250][ C1] __run_timers+0x776/0x970 [ 63.907767][ C1] ? check_preemption_disabled+0x44/0x260 [ 63.913477][ C1] ? debug_smp_processor_id+0x9/0x20 [ 63.918765][ C1] run_timer_softirq+0x4a/0x90 [ 63.923529][ C1] __do_softirq+0x283/0x7bd [ 63.928033][ C1] ? irq_exit+0x227/0x230 [ 63.932372][ C1] irq_exit+0x227/0x230 [ 63.936558][ C1] smp_apic_timer_interrupt+0x113/0x280 [ 63.942111][ C1] apic_timer_interrupt+0xf/0x20 [ 63.947088][ C1] [ 63.950018][ C1] RIP: 0010:native_safe_halt+0x12/0x20 [ 63.955459][ C1] Code: 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 c4 77 9b f9 eb b0 cc cc 55 48 89 e5 e9 07 00 00 00 0f 00 2d 32 f3 49 00 fb f4 <5d> c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 [ 63.975052][ C1] RSP: 0018:ffffc90000d3fe08 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 63.983459][ C1] RAX: 1ffffffff1255a5d RBX: ffff8880a99f4340 RCX: dffffc0000000000 [ 63.991432][ C1] RDX: 0000000000000000 RSI: ffffffff812c272a RDI: ffff8880a99f4b84 [ 63.999402][ C1] RBP: ffffc90000d3fe08 R08: ffff8880a99f4b98 R09: ffffed101533e869 [ 64.007384][ C1] R10: ffffed101533e869 R11: 0000000000000000 R12: 1ffff1101533e868 [ 64.015356][ C1] R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffffffff1255a5b [ 64.023330][ C1] ? arch_cpu_idle+0xa/0x10 [ 64.027834][ C1] default_idle+0x50/0x70 [ 64.032148][ C1] arch_cpu_idle+0xa/0x10 [ 64.036470][ C1] default_idle_call+0x59/0xa0 [ 64.041233][ C1] do_idle+0x1ec/0x630 [ 64.045296][ C1] cpu_startup_entry+0x25/0x30 [ 64.050046][ C1] start_secondary+0x384/0x410 [ 64.054796][ C1] secondary_startup_64+0xa4/0xb0 [ 64.059831][ C1] [ 64.062144][ C1] Allocated by task 8815: [ 64.066463][ C1] __kasan_kmalloc+0x118/0x1c0 [ 64.071213][ C1] kasan_kmalloc+0x9/0x10 [ 64.075527][ C1] __kmalloc_node+0x4d/0x60 [ 64.080141][ C1] kvmalloc_node+0x85/0x110 [ 64.084667][ C1] alloc_netdev_mqs+0x8e/0xd40 [ 64.089492][ C1] vti6_init_net+0x112/0x320 [ 64.094180][ C1] ops_init+0x355/0x430 [ 64.098311][ C1] setup_net+0x1eb/0x7f0 [ 64.102541][ C1] copy_net_ns+0x334/0x540 [ 64.106960][ C1] create_new_namespaces+0x4d7/0x9c0 [ 64.112233][ C1] unshare_nsproxy_namespaces+0x12a/0x190 [ 64.117938][ C1] ksys_unshare+0x478/0xa00 [ 64.122692][ C1] __x64_sys_unshare+0x38/0x40 [ 64.127498][ C1] do_syscall_64+0xf7/0x1c0 [ 64.131994][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.137898][ C1] [ 64.140208][ C1] Freed by task 8815: [ 64.144184][ C1] __kasan_slab_free+0x12e/0x1e0 [ 64.149118][ C1] kasan_slab_free+0xe/0x10 [ 64.153721][ C1] kfree+0x10d/0x220 [ 64.157680][ C1] netdev_name_node_alt_destroy+0x35c/0x380 [ 64.163560][ C1] rtnl_linkprop+0x42d/0x680 [ 64.168135][ C1] rtnl_dellinkprop+0x2a/0x40 [ 64.172798][ C1] rtnetlink_rcv_msg+0x889/0xd40 [ 64.177843][ C1] netlink_rcv_skb+0x19e/0x3e0 [ 64.182656][ C1] rtnetlink_rcv+0x1c/0x20 [ 64.187118][ C1] netlink_unicast+0x766/0x920 [ 64.191969][ C1] netlink_sendmsg+0xa2b/0xd40 [ 64.196727][ C1] ____sys_sendmsg+0x4f7/0x7f0 [ 64.201519][ C1] __sys_sendmsg+0x1ed/0x290 [ 64.206111][ C1] __x64_sys_sendmsg+0x7f/0x90 [ 64.210955][ C1] do_syscall_64+0xf7/0x1c0 [ 64.215443][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.221314][ C1] [ 64.223629][ C1] The buggy address belongs to the object at ffff88808f3ac000 [ 64.223629][ C1] which belongs to the cache kmalloc-4k of size 4096 [ 64.237675][ C1] The buggy address is located 540 bytes inside of [ 64.237675][ C1] 4096-byte region [ffff88808f3ac000, ffff88808f3ad000) [ 64.251027][ C1] The buggy address belongs to the page: [ 64.256669][ C1] page:ffffea00023ceb00 refcount:1 mapcount:0 mapping:ffff8880aa402000 index:0x0 compound_mapcount: 0 [ 64.267589][ C1] flags: 0xfffe0000010200(slab|head) [ 64.272976][ C1] raw: 00fffe0000010200 ffffea000268ae88 ffffea000260fd88 ffff8880aa402000 [ 64.282593][ C1] raw: 0000000000000000 ffff88808f3ac000 0000000100000001 0000000000000000 [ 64.291263][ C1] page dumped because: kasan: bad access detected [ 64.297655][ C1] [ 64.299956][ C1] Memory state around the buggy address: [ 64.305675][ C1] ffff88808f3ac100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.313737][ C1] ffff88808f3ac180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.321826][ C1] >ffff88808f3ac200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.329874][ C1] ^ [ 64.334710][ C1] ffff88808f3ac280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.342927][ C1] ffff88808f3ac300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.350975][ C1] ================================================================== [ 64.359021][ C1] Disabling lock debugging due to kernel taint [ 64.365209][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 64.371794][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.6.0-rc1-syzkaller #0 [ 64.381064][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.391111][ C1] Call Trace: [ 64.394417][ C1] [ 64.397273][ C1] dump_stack+0x1fb/0x318 [ 64.401586][ C1] panic+0x264/0x7a9 [ 64.405458][ C1] ? __kasan_report+0x193/0x1c0 [ 64.410287][ C1] ? trace_hardirqs_on+0x34/0x80 [ 64.415318][ C1] ? _raw_spin_unlock_irqrestore+0xa8/0xe0 [ 64.421104][ C1] __kasan_report+0x1b9/0x1c0 [ 64.425763][ C1] ? l3mdev_master_ifindex_rcu+0xfa/0x130 [ 64.431566][ C1] kasan_report+0x26/0x50 [ 64.435875][ C1] ? __ipv6_dev_get_saddr+0x41f/0x440 [ 64.441229][ C1] __asan_report_load4_noabort+0x14/0x20 [ 64.446856][ C1] l3mdev_master_ifindex_rcu+0xfa/0x130 [ 64.452471][ C1] ipv6_dev_get_saddr+0x229/0x9f0 [ 64.457487][ C1] ? __kasan_check_read+0x11/0x20 [ 64.462542][ C1] ip6_dst_lookup_tail+0xe52/0x12b0 [ 64.467745][ C1] ip6_dst_lookup_flow+0x6e/0x110 [ 64.472792][ C1] ? ip6_dst_lookup_tail+0x12b0/0x12b0 [ 64.478270][ C1] geneve_get_v6_dst+0x459/0x660 [ 64.483198][ C1] geneve_xmit+0x71f/0x1f70 [ 64.487711][ C1] dev_hard_start_xmit+0x1b1/0x3f0 [ 64.492821][ C1] __dev_queue_xmit+0x1e1f/0x2e70 [ 64.497828][ C1] ? ip6_finish_output2+0xcb5/0x13e0 [ 64.503082][ C1] ? ip6_finish_output2+0xde9/0x13e0 [ 64.508338][ C1] dev_queue_xmit+0x17/0x20 [ 64.512811][ C1] ip6_finish_output2+0x101d/0x13e0 [ 64.517985][ C1] __ip6_finish_output+0x693/0x8c0 [ 64.523070][ C1] ip6_finish_output+0x52/0x1e0 [ 64.527904][ C1] ? ip6_output+0x2ad/0x3c0 [ 64.532414][ C1] ip6_output+0x2c2/0x3c0 [ 64.536759][ C1] mld_sendpack+0x770/0xb80 [ 64.541370][ C1] mld_ifc_timer_expire+0x85b/0xc60 [ 64.546626][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 64.552340][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 64.557513][ C1] call_timer_fn+0x95/0x170 [ 64.562008][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 64.567156][ C1] __run_timers+0x776/0x970 [ 64.571652][ C1] ? check_preemption_disabled+0x44/0x260 [ 64.577399][ C1] ? debug_smp_processor_id+0x9/0x20 [ 64.582804][ C1] run_timer_softirq+0x4a/0x90 [ 64.587544][ C1] __do_softirq+0x283/0x7bd [ 64.592040][ C1] ? irq_exit+0x227/0x230 [ 64.596364][ C1] irq_exit+0x227/0x230 [ 64.600514][ C1] smp_apic_timer_interrupt+0x113/0x280 [ 64.606041][ C1] apic_timer_interrupt+0xf/0x20 [ 64.610989][ C1] [ 64.613917][ C1] RIP: 0010:native_safe_halt+0x12/0x20 [ 64.619351][ C1] Code: 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 c4 77 9b f9 eb b0 cc cc 55 48 89 e5 e9 07 00 00 00 0f 00 2d 32 f3 49 00 fb f4 <5d> c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 [ 64.639063][ C1] RSP: 0018:ffffc90000d3fe08 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 64.647474][ C1] RAX: 1ffffffff1255a5d RBX: ffff8880a99f4340 RCX: dffffc0000000000 [ 64.655434][ C1] RDX: 0000000000000000 RSI: ffffffff812c272a RDI: ffff8880a99f4b84 [ 64.663389][ C1] RBP: ffffc90000d3fe08 R08: ffff8880a99f4b98 R09: ffffed101533e869 [ 64.671377][ C1] R10: ffffed101533e869 R11: 0000000000000000 R12: 1ffff1101533e868 [ 64.679354][ C1] R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffffffff1255a5b [ 64.687332][ C1] ? arch_cpu_idle+0xa/0x10 [ 64.691822][ C1] default_idle+0x50/0x70 [ 64.696125][ C1] arch_cpu_idle+0xa/0x10 [ 64.700430][ C1] default_idle_call+0x59/0xa0 [ 64.705168][ C1] do_idle+0x1ec/0x630 [ 64.709230][ C1] cpu_startup_entry+0x25/0x30 [ 64.714387][ C1] start_secondary+0x384/0x410 [ 64.719143][ C1] secondary_startup_64+0xa4/0xb0 [ 64.725352][ C1] Kernel Offset: disabled [ 64.729733][ C1] Rebooting in 86400 seconds..