[ 41.450775][ T26] audit: type=1800 audit(1575342327.017:27): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.471897][ T26] audit: type=1800 audit(1575342327.017:28): pid=7955 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. [ 42.131044][ T26] audit: type=1800 audit(1575342327.747:29): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.150752][ T26] audit: type=1800 audit(1575342327.747:30): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. 2019/12/03 03:05:37 fuzzer started 2019/12/03 03:05:39 dialing manager at 10.128.0.26:38907 2019/12/03 03:05:39 syscalls: 2697 2019/12/03 03:05:39 code coverage: enabled 2019/12/03 03:05:39 comparison tracing: enabled 2019/12/03 03:05:39 extra coverage: extra coverage is not supported by the kernel 2019/12/03 03:05:39 setuid sandbox: enabled 2019/12/03 03:05:39 namespace sandbox: enabled 2019/12/03 03:05:39 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 03:05:39 fault injection: enabled 2019/12/03 03:05:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 03:05:39 net packet injection: enabled 2019/12/03 03:05:39 net device setup: enabled 2019/12/03 03:05:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 03:05:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:05:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x0) fallocate(r3, 0x10, 0x2, 0x2000002) fallocate(r2, 0x0, 0x0, 0x110001) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000040)={0x0, r3}) 03:05:40 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sha512-avx\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000007f00)=[{{&(0x7f00000056c0)=@can={0x1d, 0x0, 0x797ff5f, 0x5fff9930}, 0xf940, &(0x7f00000000c0)}}, {{&(0x7f0000005900)=@pppoe={0x18, 0x40000, {0x0, @link_local, 'syzkaller0\x00'}}, 0x80, &(0x7f0000007ac0), 0x1a9, &(0x7f0000007b00)}}], 0x3fffffffffffe0d, 0x0) syzkaller login: [ 54.712945][ T8120] IPVS: ftp: loaded support on port[0] = 21 [ 54.892940][ T8123] IPVS: ftp: loaded support on port[0] = 21 [ 54.904599][ T8120] chnl_net:caif_netlink_parms(): no params data found 03:05:40 executing program 2: r0 = syz_init_net_socket$bt_sco(0x1f, 0x3, 0x6) r1 = dup(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r3, 0x0) ioctl$sock_bt_hidp_HIDPCONNADD(r1, 0x400448c8, 0x0) [ 54.971448][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.980200][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.989177][ T8120] device bridge_slave_0 entered promiscuous mode [ 55.006940][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.026184][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.033763][ T8120] device bridge_slave_1 entered promiscuous mode [ 55.106947][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.140015][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.163289][ T8126] IPVS: ftp: loaded support on port[0] = 21 [ 55.191485][ T8120] team0: Port device team_slave_0 added [ 55.207619][ T8123] chnl_net:caif_netlink_parms(): no params data found [ 55.219533][ T8120] team0: Port device team_slave_1 added 03:05:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'cryptd(sha224-generic)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000380)={0x14}, 0x14}}, 0x0) [ 55.308350][ T8120] device hsr_slave_0 entered promiscuous mode [ 55.345558][ T8120] device hsr_slave_1 entered promiscuous mode [ 55.410425][ T8123] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.425353][ T8123] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.432870][ T8123] device bridge_slave_0 entered promiscuous mode 03:05:41 executing program 4: syz_mount_image$iso9660(&(0x7f0000000000)='iso9660\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)={[{@unhide='unhide'}]}) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) [ 55.475656][ T8123] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.483098][ T8123] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.496915][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 55.508338][ T8123] device bridge_slave_1 entered promiscuous mode [ 55.593226][ T8123] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.602687][ T8120] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.651578][ T8120] netdevsim netdevsim0 netdevsim1: renamed from eth1 03:05:41 executing program 5: r0 = socket(0x15, 0x80005, 0x0) ioctl$SIOCX25SSUBSCRIP(r0, 0x8914, &(0x7f00000002c0)={'team_slave_0\x00'}) [ 55.738930][ T8123] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.763538][ T8132] IPVS: ftp: loaded support on port[0] = 21 [ 55.769938][ T8120] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.829596][ T8120] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.901583][ T8123] team0: Port device team_slave_0 added [ 55.911227][ T8126] chnl_net:caif_netlink_parms(): no params data found [ 55.932475][ T8123] team0: Port device team_slave_1 added [ 55.963267][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 55.991581][ T8126] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.999874][ T8126] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.008641][ T8126] device bridge_slave_0 entered promiscuous mode [ 56.038203][ T8126] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.046463][ T8126] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.053956][ T8126] device bridge_slave_1 entered promiscuous mode [ 56.071881][ T8126] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.086580][ T8126] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.126929][ T8123] device hsr_slave_0 entered promiscuous mode [ 56.185562][ T8123] device hsr_slave_1 entered promiscuous mode [ 56.225470][ T8123] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.249992][ T8126] team0: Port device team_slave_0 added [ 56.286075][ T8126] team0: Port device team_slave_1 added [ 56.340988][ T8132] chnl_net:caif_netlink_parms(): no params data found [ 56.373989][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 56.438698][ T8126] device hsr_slave_0 entered promiscuous mode [ 56.485712][ T8126] device hsr_slave_1 entered promiscuous mode [ 56.515399][ T8126] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.531209][ T8132] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.539253][ T8132] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.546848][ T8132] device bridge_slave_0 entered promiscuous mode [ 56.570695][ T8123] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.607536][ T8132] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.614673][ T8132] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.622395][ T8132] device bridge_slave_1 entered promiscuous mode [ 56.647948][ T8123] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.691417][ T8123] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.751364][ T8123] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.813973][ T8120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.830590][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.839790][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.847561][ T8128] device bridge_slave_0 entered promiscuous mode [ 56.893399][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 56.905771][ T8132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.914935][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.922396][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.930420][ T8128] device bridge_slave_1 entered promiscuous mode [ 56.937489][ T8126] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.974769][ T8132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.997405][ T8126] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.036692][ T8126] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.080418][ T8126] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.164630][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.197277][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.206991][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.218414][ T8120] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.227440][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.237372][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.244410][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.252663][ T8134] device bridge_slave_0 entered promiscuous mode [ 57.260561][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.268093][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.276018][ T8134] device bridge_slave_1 entered promiscuous mode [ 57.284301][ T8132] team0: Port device team_slave_0 added [ 57.312145][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.321630][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.330334][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.337481][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.345599][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.354681][ T8132] team0: Port device team_slave_1 added [ 57.369071][ T8128] team0: Port device team_slave_0 added [ 57.417407][ T8132] device hsr_slave_0 entered promiscuous mode [ 57.445648][ T8132] device hsr_slave_1 entered promiscuous mode [ 57.495633][ T8132] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.530836][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.542379][ T8128] team0: Port device team_slave_1 added [ 57.571718][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.580422][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.589241][ T8137] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.596333][ T8137] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.603935][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.612521][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.620957][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.629411][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.637776][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.646221][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.654390][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.662930][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.673841][ T8137] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.682774][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.708126][ T8132] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.740493][ T8132] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.788122][ T8132] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.837146][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.846409][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.855040][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.876812][ T8132] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.927872][ T8134] team0: Port device team_slave_0 added [ 57.934909][ T8134] team0: Port device team_slave_1 added [ 57.968202][ T8128] device hsr_slave_0 entered promiscuous mode [ 58.015683][ T8128] device hsr_slave_1 entered promiscuous mode [ 58.075649][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.132362][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.140840][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.151474][ T8120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.163086][ T8123] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.218369][ T8134] device hsr_slave_0 entered promiscuous mode [ 58.265778][ T8134] device hsr_slave_1 entered promiscuous mode [ 58.305553][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.343988][ T8126] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.363725][ T8134] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.443538][ T8128] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.500255][ T8128] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.629865][ T8134] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 163.535248][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.542181][ C1] rcu: 1-...!: (10499 ticks this GP) idle=6a6/1/0x4000000000000002 softirq=10768/10768 fqs=43 [ 163.552768][ C1] (t=10501 jiffies g=6089 q=133) [ 163.557797][ C1] rcu: rcu_preempt kthread starved for 10416 jiffies! g6089 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.568896][ C1] rcu: RCU grace-period kthread stack dump: [ 163.574784][ C1] rcu_preempt R running task 29064 10 2 0x80004000 [ 163.582685][ C1] Call Trace: [ 163.585979][ C1] __schedule+0x9a0/0xcc0 [ 163.590314][ C1] schedule+0x181/0x210 [ 163.594468][ C1] schedule_timeout+0x14f/0x240 [ 163.599315][ C1] ? run_local_timers+0x120/0x120 [ 163.604348][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.609248][ C1] kthread+0x332/0x350 [ 163.613485][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.618608][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.623203][ C1] ret_from_fork+0x24/0x30 [ 163.627640][ C1] NMI backtrace for cpu 1 [ 163.631979][ C1] CPU: 1 PID: 849 Comm: kworker/u4:5 Not tainted 5.4.0-syzkaller #0 [ 163.640475][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.650614][ C1] Workqueue: events_unbound fsnotify_mark_destroy_workfn [ 163.657734][ C1] Call Trace: [ 163.661021][ C1] [ 163.663989][ C1] dump_stack+0x1fb/0x318 [ 163.668327][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.673174][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.679330][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.685399][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.691379][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.697492][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.702651][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.707871][ C1] ? trace_hardirqs_off+0x74/0x80 [ 163.712898][ C1] update_process_times+0x12d/0x180 [ 163.718100][ C1] tick_sched_timer+0x263/0x420 [ 163.723057][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.728598][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.733810][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.738854][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.744145][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.749901][ C1] apic_timer_interrupt+0xf/0x20 [ 163.754984][ C1] [ 163.757927][ C1] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 163.763911][ C1] Code: 48 8b 3b e8 12 c1 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 [ 163.783606][ C1] RSP: 0018:ffffc900031778d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.792015][ C1] RAX: 1ffff1101273a2b1 RBX: ffff8880939d1588 RCX: 0000000000000000 [ 163.800060][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029f7c40 [ 163.808138][ C1] RBP: ffffc90003177910 R08: 000000000003a768 R09: ffffed1015114aa7 [ 163.816260][ C1] R10: ffffed1015114aa7 R11: 0000000000000000 R12: ffff8880939d1620 [ 163.824322][ C1] R13: dffffc0000000000 R14: 1ffff1101273a2c4 R15: ffff8880a88a5528 [ 163.832399][ C1] ? free_thread_stack+0x168/0x590 [ 163.837513][ C1] put_task_stack+0xa3/0x130 [ 163.842126][ C1] finish_task_switch+0x3f1/0x550 [ 163.847153][ C1] __schedule+0x9a8/0xcc0 [ 163.851594][ C1] ? ___preempt_schedule+0x16/0x18 [ 163.856838][ C1] preempt_schedule+0xdb/0x120 [ 163.861604][ C1] ___preempt_schedule+0x16/0x18 [ 163.866542][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 163.872364][ C1] __call_srcu+0x7ab/0xb00 [ 163.876890][ C1] __synchronize_srcu+0x1cf/0x260 [ 163.882032][ C1] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 163.887595][ C1] synchronize_srcu+0x2cb/0x2f0 [ 163.892455][ C1] fsnotify_mark_destroy_workfn+0xe5/0x2a0 [ 163.898269][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 163.904069][ C1] process_one_work+0x7ef/0x10d0 [ 163.909123][ C1] worker_thread+0xc01/0x1630 [ 163.913822][ C1] kthread+0x332/0x350 [ 163.917887][ C1] ? rcu_lock_release+0x30/0x30 [ 163.922739][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.927327][ C1] ret_from_fork+0x24/0x30