[ 41.485434][ T25] audit: type=1800 audit(1575351678.547:26): pid=7962 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.515663][ T25] audit: type=1800 audit(1575351678.547:27): pid=7962 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.557196][ T25] audit: type=1800 audit(1575351678.547:28): pid=7962 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 42.360335][ T25] audit: type=1800 audit(1575351679.447:29): pid=7962 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. 2019/12/03 05:41:30 fuzzer started 2019/12/03 05:41:32 dialing manager at 10.128.0.26:38907 2019/12/03 05:41:32 syscalls: 2697 2019/12/03 05:41:32 code coverage: enabled 2019/12/03 05:41:32 comparison tracing: enabled 2019/12/03 05:41:32 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:41:32 setuid sandbox: enabled 2019/12/03 05:41:32 namespace sandbox: enabled 2019/12/03 05:41:32 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:41:32 fault injection: enabled 2019/12/03 05:41:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:41:32 net packet injection: enabled 2019/12/03 05:41:32 net device setup: enabled 2019/12/03 05:41:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:41:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:41:33 executing program 0: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) setsockopt$inet6_int(r0, 0x29, 0x49, &(0x7f0000000140), 0x4) 05:41:33 executing program 1: bpf$MAP_CREATE(0x0, &(0x7f0000001b00)={0x14, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x3c) syzkaller login: [ 56.229336][ T8125] IPVS: ftp: loaded support on port[0] = 21 05:41:33 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000000500)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='vS\xfdIG|\x8aL[\xf2\'\x9c\xea\xb1\xc0\xb1\x19\x91\x9d/Q\xd9\xe3T\xce\xdax;\x02%\xc5\x1c\xd5GA\xad[(\xbblZ\x01\x1dF\x92#]%sj\xd0i\xc6C\x1f&\xe2\xc5\xa5z\x7f\xe1 \xfb\xc27\x03\x84\x8e\xef\x82-\xfc$$\xaf\v\xbd\x95\x1e\x0f\xbeVI\xec\r!\f\x86\xf5\xfb[Y\x1e\xd4\xdfc\xb1\xc8\xa2\xc1/5\xffr\x1f\x80@\xb8F\xea\xde\x93\xa1\xcb6\xee\xf2\xce\x95\xf2\xfdxR\x17F\xad\xc1~\xa2\x97=O^o\"\xbb\xa8\x9746'}, 0x48) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000140)=r1, 0x4) writev(r0, &(0x7f0000000040)=[{&(0x7f00000000c0)="390000001000090468fe07002b0000000100ee0714000000450001070300001404001800120013000e04000020000300"/57, 0x39}], 0x1) [ 56.383298][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 56.418363][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 56.441632][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.450633][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.459187][ T8125] device bridge_slave_0 entered promiscuous mode [ 56.469757][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.476834][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.486479][ T8125] device bridge_slave_1 entered promiscuous mode [ 56.512451][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.528070][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.551054][ T8125] team0: Port device team_slave_0 added [ 56.588564][ T8125] team0: Port device team_slave_1 added [ 56.622895][ T8131] IPVS: ftp: loaded support on port[0] = 21 05:41:33 executing program 3: r0 = eventfd(0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = eventfd(0x0) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000000)={0x0, 0x0, 0x1, r3}) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000040)={0x0, 0x0, 0x0, r0, 0x80ffff}) [ 56.660580][ T8125] device hsr_slave_0 entered promiscuous mode [ 56.718768][ T8125] device hsr_slave_1 entered promiscuous mode 05:41:34 executing program 4: r0 = socket$inet6_sctp(0xa, 0x80000000000001, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x2, 0x0, 0x0) [ 56.896361][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 56.926794][ T8125] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.034560][ T8133] IPVS: ftp: loaded support on port[0] = 21 [ 57.064426][ T8125] netdevsim netdevsim0 netdevsim1: renamed from eth1 05:41:34 executing program 5: perf_event_open(&(0x7f0000000300)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x2, 0x4, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, [@sadb_address={0x3, 0x18, 0x0, 0x0, 0x1000000, @in={0x2, 0x0, @multicast2}}]}, 0x28}}, 0x0) [ 57.148945][ T8125] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.220517][ T8125] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.283271][ T8136] IPVS: ftp: loaded support on port[0] = 21 [ 57.314460][ T8138] IPVS: ftp: loaded support on port[0] = 21 [ 57.347767][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.354844][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.362778][ T8128] device bridge_slave_0 entered promiscuous mode [ 57.372972][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.380121][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.388070][ T8128] device bridge_slave_1 entered promiscuous mode [ 57.428831][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.453082][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 57.462447][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.505489][ T8128] team0: Port device team_slave_0 added [ 57.531959][ T8128] team0: Port device team_slave_1 added [ 57.598728][ T8128] device hsr_slave_0 entered promiscuous mode [ 57.647352][ T8128] device hsr_slave_1 entered promiscuous mode [ 57.707822][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.766173][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.775553][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.783340][ T8131] device bridge_slave_0 entered promiscuous mode [ 57.792699][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.800058][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.808050][ T8131] device bridge_slave_1 entered promiscuous mode [ 57.839176][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.849270][ T8133] chnl_net:caif_netlink_parms(): no params data found [ 57.874007][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.951744][ T8136] chnl_net:caif_netlink_parms(): no params data found [ 57.965977][ T8125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.978294][ T8131] team0: Port device team_slave_0 added [ 57.992248][ T8128] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.041623][ T8128] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.106370][ T8128] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.159222][ T8131] team0: Port device team_slave_1 added [ 58.164921][ T8128] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.239071][ T8133] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.246203][ T8133] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.254110][ T8133] device bridge_slave_0 entered promiscuous mode [ 58.293979][ T8136] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.301558][ T8136] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.309652][ T8136] device bridge_slave_0 entered promiscuous mode [ 58.329701][ T8133] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.336773][ T8133] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.345195][ T8133] device bridge_slave_1 entered promiscuous mode [ 58.361671][ T8130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.370832][ T8130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.379279][ T8136] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.386317][ T8136] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.394524][ T8136] device bridge_slave_1 entered promiscuous mode [ 58.439557][ T8131] device hsr_slave_0 entered promiscuous mode [ 58.477352][ T8131] device hsr_slave_1 entered promiscuous mode [ 58.517126][ T8131] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.532628][ T8133] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.547421][ T8133] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.567400][ T8138] chnl_net:caif_netlink_parms(): no params data found [ 58.577031][ T8125] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.589426][ T8136] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.609121][ T8136] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.640699][ T8133] team0: Port device team_slave_0 added [ 58.660496][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.670512][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.679153][ T3189] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.686322][ T3189] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.694463][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.703102][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.712624][ T3189] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.719702][ T3189] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.727341][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.736185][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.747415][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.755841][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.764778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.782291][ T8133] team0: Port device team_slave_1 added [ 58.806173][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.816165][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.825111][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.836812][ T8136] team0: Port device team_slave_0 added [ 58.844054][ T8136] team0: Port device team_slave_1 added [ 58.851459][ T8138] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.858636][ T8138] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.866194][ T8138] device bridge_slave_0 entered promiscuous mode [ 58.888490][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.900160][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.908862][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.917226][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.999814][ T8136] device hsr_slave_0 entered promiscuous mode [ 59.037352][ T8136] device hsr_slave_1 entered promiscuous mode [ 59.077330][ T8136] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.085402][ T8138] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.092692][ T8138] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.100511][ T8138] device bridge_slave_1 entered promiscuous mode [ 59.113198][ T8131] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.153097][ T8131] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.206151][ T8131] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.251808][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.275999][ T8131] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.340512][ T8133] device hsr_slave_0 entered promiscuous mode [ 59.367817][ T8133] device hsr_slave_1 entered promiscuous mode [ 59.407806][ T8133] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.419939][ T8138] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.445957][ T8138] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.474854][ T8128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.491822][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.499766][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.509480][ T8138] team0: Port device team_slave_0 added [ 59.517757][ T8125] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.542529][ T8138] team0: Port device team_slave_1 added [ 59.564901][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.572782][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.581229][ T8136] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.632108][ T8136] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.691289][ T8136] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.752424][ T8136] netdevsim netdevsim4 netdevsim3: renamed from eth3 05:41:36 executing program 0: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) setsockopt$inet6_int(r0, 0x29, 0x49, &(0x7f0000000140), 0x4) [ 59.818430][ T8128] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.850252][ T8138] device hsr_slave_0 entered promiscuous mode [ 164.876905][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 164.883894][ C0] (detected by 0, t=10502 jiffies, g=5977, q=61) [ 164.890320][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953644-4294943141), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 164.903682][ C0] syz-executor.0 R running task 24296 8125 8124 0x0000400a [ 164.911576][ C0] Call Trace: [ 164.914863][ C0] [ 164.918061][ C0] sched_show_task+0x40f/0x560 [ 164.922821][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 164.928098][ C0] update_process_times+0x12d/0x180 [ 164.933284][ C0] tick_sched_timer+0x263/0x420 [ 164.938121][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.943653][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.948854][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.953811][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.959084][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.964615][ C0] apic_timer_interrupt+0xf/0x20 [ 164.969534][ C0] [ 164.972461][ C0] RIP: 0010:mod_memcg_page_state+0x2b/0x190 [ 164.978338][ C0] Code: 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df <42> 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b 48 85 db 0f [ 164.997940][ C0] RSP: 0018:ffffc90001f27998 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 165.006635][ C0] RAX: 1ffffd40005452bf RBX: ffffea0002a295f8 RCX: ffff88808f094580 [ 165.014597][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a295c0 [ 165.022556][ C0] RBP: ffffc90001f279b8 R08: dffffc0000000000 R09: fffffbfff1287025 [ 165.030536][ C0] R10: fffffbfff1287025 R11: 0000000000000000 R12: dffffc0000000000 [ 165.038495][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8a6f4a8 [ 165.046564][ C0] ? mod_memcg_page_state+0x16/0x190 [ 165.051931][ C0] free_thread_stack+0x168/0x590 [ 165.056866][ C0] put_task_stack+0xa3/0x130 [ 165.061450][ C0] finish_task_switch+0x3f1/0x550 [ 165.066469][ C0] __schedule+0x9a8/0xcc0 [ 165.070885][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.075982][ C0] preempt_schedule+0xdb/0x120 [ 165.080771][ C0] ___preempt_schedule+0x16/0x18 [ 165.085709][ C0] ? __wake_up+0xe1/0x150 [ 165.090052][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 165.095679][ C0] __wake_up+0xe1/0x150 [ 165.099833][ C0] pipe_read+0x8e1/0x9e0 [ 165.104079][ C0] __vfs_read+0x59e/0x730 [ 165.108409][ C0] vfs_read+0x1dd/0x420 [ 165.112583][ C0] ksys_read+0x117/0x220 [ 165.116817][ C0] __x64_sys_read+0x7b/0x90 [ 165.121309][ C0] do_syscall_64+0xf7/0x1c0 [ 165.125803][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.131680][ C0] RIP: 0033:0x414190 [ 165.135562][ C0] Code: 01 f0 ff ff 0f 83 90 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d dd 42 66 00 00 75 14 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 64 1b 00 00 c3 48 83 ec 08 e8 6a fc ff ff [ 165.155151][ C0] RSP: 002b:00007fff84902588 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 165.163556][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414190 [ 165.171517][ C0] RDX: 0000000000000038 RSI: 0000000000758040 RDI: 00000000000000f9 [ 165.179478][ C0] RBP: 0000000000000002 R08: 00000000000003b8 R09: 0000000000004000 [ 165.187450][ C0] R10: 0000000000717660 R11: 0000000000000246 R12: 0000000000000000 [ 165.195420][ C0] R13: 00007fff849025c0 R14: 000000000000e9c4 R15: 00007fff849025d0 [ 165.204448][ C0] rcu: rcu_preempt kthread starved for 10534 jiffies! g5977 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.215542][ C0] rcu: RCU grace-period kthread stack dump: [ 165.221417][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.229306][ C0] Call Trace: [ 165.232591][ C0] __schedule+0x9a0/0xcc0 [ 165.236919][ C0] schedule+0x181/0x210 [ 165.241066][ C0] schedule_timeout+0x14f/0x240 [ 165.246058][ C0] ? run_local_timers+0x120/0x120 [ 165.251101][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.255954][ C0] kthread+0x332/0x350 [ 165.260011][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.265109][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.269687][ C0] ret_from_fork+0x24/0x30