[   43.435676][   T23] audit: type=1800 audit(1575328363.422:26): pid=8038 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[   43.456285][   T23] audit: type=1800 audit(1575328363.432:27): pid=8038 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[   43.492314][   T23] audit: type=1800 audit(1575328363.432:28): pid=8038 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.
[   44.306252][   T23] audit: type=1800 audit(1575328364.312:29): pid=8038 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 '10.128.0.147' (ECDSA) to the list of known hosts.
2019/12/02 23:12:57 fuzzer started
2019/12/02 23:12:59 dialing manager at 10.128.0.26:38907
2019/12/02 23:12:59 syscalls: 2697
2019/12/02 23:12:59 code coverage: enabled
2019/12/02 23:12:59 comparison tracing: enabled
2019/12/02 23:12:59 extra coverage: extra coverage is not supported by the kernel
2019/12/02 23:12:59 setuid sandbox: enabled
2019/12/02 23:12:59 namespace sandbox: enabled
2019/12/02 23:12:59 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/02 23:12:59 fault injection: enabled
2019/12/02 23:12:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/02 23:12:59 net packet injection: enabled
2019/12/02 23:12:59 net device setup: enabled
2019/12/02 23:12:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2019/12/02 23:12:59 devlink PCI setup: PCI device 0000:00:10.0 is not available
23:13:00 executing program 0:
r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x80006, 0x0)
write$uinput_user_dev(r0, &(0x7f0000000140)={'\x04yz0\x05\xf0\x00\x00\x00\x80\xff\xff\xff\n\x00\x00\xfe\xff\xff\xff\x05\x00\x00\x00\x05\xbf\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x05\x00'}, 0x45c)

23:13:00 executing program 1:
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={<r0=>0xffffffffffffffff})
r1 = fcntl$dupfd(r0, 0x0, r0)
ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200)
keyctl$reject(0x13, 0x0, 0x0, 0x201, 0x0)

syzkaller login: [   60.678908][ T8204] IPVS: ftp: loaded support on port[0] = 21
[   60.818710][ T8204] chnl_net:caif_netlink_parms(): no params data found
23:13:00 executing program 2:
r0 = socket$inet(0x2, 0x6, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = dup2(r2, r1)
ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200)
clone(0x4007fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff)
setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f000064effb)="8907040000", 0x5)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @multicast2}, 0x10)

[   60.869228][ T8207] IPVS: ftp: loaded support on port[0] = 21
[   60.871538][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state
[   60.902511][ T8204] bridge0: port 1(bridge_slave_0) entered disabled state
[   60.922306][ T8204] device bridge_slave_0 entered promiscuous mode
[   60.952375][ T8204] bridge0: port 2(bridge_slave_1) entered blocking state
[   60.959540][ T8204] bridge0: port 2(bridge_slave_1) entered disabled state
[   60.971707][ T8204] device bridge_slave_1 entered promiscuous mode
[   61.037450][ T8210] IPVS: ftp: loaded support on port[0] = 21
[   61.048570][ T8204] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   61.077300][ T8204] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
23:13:01 executing program 3:
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f0000000140)={0x26, 'hash\x00', 0x0, 0x0, 'cbcmac(des-generic)\x00'}, 0x58)
setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0)
getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f00000009c0)={0x0, @in={{0x2, 0x0, @multicast1}}}, 0x0)
r1 = socket$inet6(0xa, 0x6, 0x0)
bind$inet6(r1, &(0x7f0000000000)={0xa, 0x4e23}, 0x1c)
listen(r1, 0x5eb857)
r2 = socket$inet_dccp(0x2, 0x6, 0x0)
connect$inet(r2, &(0x7f0000000340)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x20}}, 0x10)
r3 = accept4(r1, 0x0, 0x0, 0x0)
sendmmsg(r3, &(0x7f0000000180), 0x40001d0, 0x0)
write$binfmt_script(r2, 0x0, 0x0)
r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0)
write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x7c774aac)
socket$inet6(0xa, 0x0, 0x0)
ioctl(0xffffffffffffffff, 0x0, 0x0)
socket$inet6(0xa, 0x0, 0x0)
sendmmsg(r3, &(0x7f0000000c00), 0x4000000000001e6, 0x0)
sendmsg$TIPC_CMD_SET_LINK_PRI(0xffffffffffffffff, 0x0, 0x0)

[   61.162653][ T8204] team0: Port device team_slave_0 added
[   61.190305][ T8207] chnl_net:caif_netlink_parms(): no params data found
[   61.204235][ T8204] team0: Port device team_slave_1 added
[   61.345505][ T8213] IPVS: ftp: loaded support on port[0] = 21
23:13:01 executing program 4:
r0 = socket$kcm(0xa, 0x6, 0x0)
setsockopt$sock_attach_bpf(r0, 0x10d, 0xf, 0x0, 0x0)

[   61.436501][ T8204] device hsr_slave_0 entered promiscuous mode
23:13:01 executing program 5:
r0 = syz_open_dev$video(&(0x7f0000000040)='/dev/video#\x00', 0x4, 0x0)
ioctl$VIDIOC_QUERYMENU(r0, 0xc02c5625, &(0x7f0000000080)={0x98f905, 0x0, @name="f6035b02f1445f27f1ad7025f84ffcf7c976b1bd6c993539c5a6e10ff211e94c"})
syz_open_dev$mice(0x0, 0x0, 0x0)

[   61.581613][ T8204] device hsr_slave_1 entered promiscuous mode
[   61.675754][ T8210] chnl_net:caif_netlink_parms(): no params data found
[   61.687475][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state
[   61.694683][ T8207] bridge0: port 1(bridge_slave_0) entered disabled state
[   61.703548][ T8207] device bridge_slave_0 entered promiscuous mode
[   61.712729][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state
[   61.719770][ T8207] bridge0: port 2(bridge_slave_1) entered disabled state
[   61.728178][ T8207] device bridge_slave_1 entered promiscuous mode
[   61.748583][ T8216] IPVS: ftp: loaded support on port[0] = 21
[   61.779097][ T8218] IPVS: ftp: loaded support on port[0] = 21
[   61.785511][ T8207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   61.809871][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state
[   61.817590][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state
[   61.825217][ T8210] device bridge_slave_0 entered promiscuous mode
[   61.835830][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state
[   61.843070][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state
[   61.850810][ T8210] device bridge_slave_1 entered promiscuous mode
[   61.870316][ T8207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   61.901402][ T8207] team0: Port device team_slave_0 added
[   61.910816][ T8207] team0: Port device team_slave_1 added
[   61.923922][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   61.935147][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   61.944509][ T8204] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   61.995445][ T8204] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   62.044005][ T8204] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   62.093825][ T8204] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   62.169903][ T8210] team0: Port device team_slave_0 added
[   62.234533][ T8207] device hsr_slave_0 entered promiscuous mode
[   62.271664][ T8207] device hsr_slave_1 entered promiscuous mode
[   62.311388][ T8207] debugfs: Directory 'hsr0' with parent '/' already present!
[   62.320023][ T8210] team0: Port device team_slave_1 added
[   62.464405][ T8210] device hsr_slave_0 entered promiscuous mode
[   62.501571][ T8210] device hsr_slave_1 entered promiscuous mode
[   62.551336][ T8210] debugfs: Directory 'hsr0' with parent '/' already present!
[   62.572741][ T8218] chnl_net:caif_netlink_parms(): no params data found
[   62.620169][ T8207] netdevsim netdevsim1 netdevsim0: renamed from eth0
[   62.676253][ T8207] netdevsim netdevsim1 netdevsim1: renamed from eth1
[   62.754765][ T8210] netdevsim netdevsim2 netdevsim0: renamed from eth0
[   62.816440][ T8210] netdevsim netdevsim2 netdevsim1: renamed from eth1
[   62.884414][ T8210] netdevsim netdevsim2 netdevsim2: renamed from eth2
[   62.934930][ T8207] netdevsim netdevsim1 netdevsim2: renamed from eth2
[   62.983960][ T8207] netdevsim netdevsim1 netdevsim3: renamed from eth3
[   63.029531][ T8218] bridge0: port 1(bridge_slave_0) entered blocking state
[   63.038101][ T8218] bridge0: port 1(bridge_slave_0) entered disabled state
[   63.045967][ T8218] device bridge_slave_0 entered promiscuous mode
[   63.068771][ T8210] netdevsim netdevsim2 netdevsim3: renamed from eth3
[   63.122881][ T8218] bridge0: port 2(bridge_slave_1) entered blocking state
[   63.129998][ T8218] bridge0: port 2(bridge_slave_1) entered disabled state
[   63.137826][ T8218] device bridge_slave_1 entered promiscuous mode
[   63.156245][ T8213] chnl_net:caif_netlink_parms(): no params data found
[   63.174927][ T8204] 8021q: adding VLAN 0 to HW filter on device bond0
[   63.194958][ T8218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   63.206458][ T8218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   63.228583][ T8204] 8021q: adding VLAN 0 to HW filter on device team0
[   63.243771][ T8216] chnl_net:caif_netlink_parms(): no params data found
[   63.266252][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   63.275363][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   63.310053][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   63.320069][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   63.328832][ T8209] bridge0: port 1(bridge_slave_0) entered blocking state
[   63.336024][ T8209] bridge0: port 1(bridge_slave_0) entered forwarding state
[   63.344321][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   63.353097][ T8209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   63.362003][ T8209] bridge0: port 2(bridge_slave_1) entered blocking state
[   63.369090][ T8209] bridge0: port 2(bridge_slave_1) entered forwarding state
[   63.385108][ T8218] team0: Port device team_slave_0 added
[   63.399917][ T8213] bridge0: port 1(bridge_slave_0) entered blocking state
[   63.408268][ T8213] bridge0: port 1(bridge_slave_0) entered disabled state
[   63.416039][ T8213] device bridge_slave_0 entered promiscuous mode
[   63.426140][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state
[   63.433783][ T8213] bridge0: port 2(bridge_slave_1) entered disabled state
[   63.442514][ T8213] device bridge_slave_1 entered promiscuous mode
[   63.456205][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   63.465630][ T8218] team0: Port device team_slave_1 added
[   63.483456][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state
[   63.490525][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state
[   63.500316][ T8216] device bridge_slave_0 entered promiscuous mode
[   63.508699][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state
[   63.515869][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state
[   63.523790][ T8216] device bridge_slave_1 entered promiscuous mode
[   63.593940][ T8218] device hsr_slave_0 entered promiscuous mode
[   63.651942][ T8218] device hsr_slave_1 entered promiscuous mode
[   63.691344][ T8218] debugfs: Directory 'hsr0' with parent '/' already present!
[   63.707518][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   63.718569][ T8213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   63.734292][ T8213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   63.759201][ T8213] team0: Port device team_slave_0 added
[   63.773229][ T8213] team0: Port device team_slave_1 added
[   63.788311][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   63.804431][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   63.818386][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   63.848500][ T8216] team0: Port device team_slave_0 added
[   63.857292][ T8216] team0: Port device team_slave_1 added
[   63.864632][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   63.873601][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   63.883162][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   63.891737][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   63.900089][ T8222] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   63.963381][ T8213] device hsr_slave_0 entered promiscuous mode
[   63.991745][ T8213] device hsr_slave_1 entered promiscuous mode
[   64.031358][ T8213] debugfs: Directory 'hsr0' with parent '/' already present!
[   64.047650][ T8218] netdevsim netdevsim5 netdevsim0: renamed from eth0
[   64.088448][ T8218] netdevsim netdevsim5 netdevsim1: renamed from eth1
[   64.165940][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   64.174218][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   64.184277][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   64.192661][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   64.205643][ T8207] 8021q: adding VLAN 0 to HW filter on device bond0
[   64.214928][ T8204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   64.228499][ T8218] netdevsim netdevsim5 netdevsim2: renamed from eth2
[   64.313883][ T8216] device hsr_slave_0 entered promiscuous mode
[   64.341548][ T8216] device hsr_slave_1 entered promiscuous mode
[   64.391306][ T8216] debugfs: Directory 'hsr0' with parent '/' already present!
[   64.416441][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   64.424040][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   64.431820][ T8218] netdevsim netdevsim5 netdevsim3: renamed from eth3
[   64.488984][ T8204] 8021q: adding VLAN 0 to HW filter on device batadv0
[   64.519174][ T8216] netdevsim netdevsim4 netdevsim0: renamed from eth0
[   64.553689][ T8216] netdevsim netdevsim4 netdevsim1: renamed from eth1
[   64.622251][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   64.629920][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   64.650017][ T8207] 8021q: adding VLAN 0 to HW filter on device team0
[   64.662832][ T8216] netdevsim netdevsim4 netdevsim2: renamed from eth2
[   64.684098][ T8216] netdevsim netdevsim4 netdevsim3: renamed from eth3
[   64.735202][ T8213] netdevsim netdevsim3 netdevsim0: renamed from eth0
[   64.797046][ T8213] netdevsim netdevsim3 netdevsim1: renamed from eth1
[   64.865640][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   64.882300][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   64.897390][   T17] bridge0: port 1(bridge_slave_0) entered blocking state
[   64.904533][   T17] bridge0: port 1(bridge_slave_0) entered forwarding state
[   64.921985][ T8210] 8021q: adding VLAN 0 to HW filter on device bond0
[   64.928807][ T8213] netdevsim netdevsim3 netdevsim2: renamed from eth2
[  169.941135][    C1] rcu: INFO: rcu_preempt self-detected stall on CPU
[  169.947911][    C1] rcu: 	1-...!: (10499 ticks this GP) idle=c6e/1/0x4000000000000002 softirq=11019/11019 fqs=0 
[  169.958380][    C1] 	(t=10500 jiffies g=6361 q=68)
[  169.963309][    C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  169.974393][    C1] rcu: RCU grace-period kthread stack dump:
[  169.980269][    C1] rcu_preempt     R  running task    29032    10      2 0x80004000
[  169.988158][    C1] Call Trace:
[  169.991443][    C1]  __schedule+0x9a0/0xcc0
[  169.995766][    C1]  schedule+0x181/0x210
[  169.999910][    C1]  schedule_timeout+0x14f/0x240
[  170.004745][    C1]  ? run_local_timers+0x120/0x120
[  170.009760][    C1]  rcu_gp_kthread+0xed8/0x1770
[  170.014521][    C1]  kthread+0x332/0x350
[  170.018576][    C1]  ? rcu_report_qs_rsp+0x140/0x140
[  170.023674][    C1]  ? kthread_blkcg+0xe0/0xe0
[  170.028254][    C1]  ret_from_fork+0x24/0x30
[  170.032671][    C1] NMI backtrace for cpu 1
[  170.036990][    C1] CPU: 1 PID: 8174 Comm: udevd Not tainted 5.4.0-syzkaller #0
[  170.044431][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  170.054470][    C1] Call Trace:
[  170.057747][    C1]  <IRQ>
[  170.060587][    C1]  dump_stack+0x1fb/0x318
[  170.064910][    C1]  nmi_cpu_backtrace+0xaf/0x1a0
[  170.069747][    C1]  ? nmi_trigger_cpumask_backtrace+0x16d/0x290
[  170.075891][    C1]  ? arch_trigger_cpumask_backtrace+0x20/0x20
[  170.081946][    C1]  nmi_trigger_cpumask_backtrace+0x174/0x290
[  170.087916][    C1]  arch_trigger_cpumask_backtrace+0x10/0x20
[  170.093795][    C1]  rcu_dump_cpu_stacks+0x15a/0x220
[  170.098897][    C1]  rcu_sched_clock_irq+0xe25/0x1ad0
[  170.104089][    C1]  ? trace_hardirqs_off+0x74/0x80
[  170.109104][    C1]  update_process_times+0x12d/0x180
[  170.114291][    C1]  tick_sched_timer+0x263/0x420
[  170.119132][    C1]  ? tick_setup_sched_timer+0x3d0/0x3d0
[  170.124668][    C1]  __hrtimer_run_queues+0x403/0x840
[  170.129866][    C1]  hrtimer_interrupt+0x38c/0xda0
[  170.134806][    C1]  ? debug_smp_processor_id+0x9/0x20
[  170.140079][    C1]  smp_apic_timer_interrupt+0x109/0x280
[  170.145617][    C1]  apic_timer_interrupt+0xf/0x20
[  170.150540][    C1]  </IRQ>
[  170.153481][    C1] RIP: 0010:__memcg_kmem_uncharge+0x1/0x2e0
[  170.159369][    C1] Code: eb 1b 83 3d 40 90 8c 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00
[  170.178972][    C1] RSP: 0018:ffffc900017d7ad8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  170.187369][    C1] RAX: ffffffff81486ea4 RBX: ffffea0002587f40 RCX: ffff888097006400
[  170.195343][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002587f40
[  170.203314][    C1] RBP: ffffc900017d7b20 R08: 000000000003a768 R09: ffffed1013029717
[  170.211299][    C1] R10: ffffed1013029717 R11: 0000000000000000 R12: ffff8880972bbfa0
[  170.219284][    C1] R13: dffffc0000000000 R14: 1ffff11012e577f4 R15: ffff88809814b8a8
[  170.227286][    C1]  ? free_thread_stack+0x124/0x590
[  170.232394][    C1]  ? free_thread_stack+0x12e/0x590
[  170.237494][    C1]  put_task_stack+0xa3/0x130
[  170.242212][    C1]  finish_task_switch+0x3f1/0x550
[  170.247261][    C1]  __schedule+0x9a8/0xcc0
[  170.251608][    C1]  preempt_schedule_irq+0xc1/0x140
[  170.256715][    C1]  retint_kernel+0x1b/0x2b
[  170.261128][    C1] RIP: 0010:kmem_cache_alloc+0x1a8/0x2e0
[  170.266751][    C1] Code: 8b 7d d0 57 9d 0f 1f 44 00 00 e8 83 b1 ca ff eb 1e e8 1c af ca ff 48 83 3d 7c 10 59 07 00 0f 84 33 01 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 41 0f 18 0e e9 21 00 00 00 89 d8 c1 e8 08 83 e0 01
[  170.286365][    C1] RSP: 0018:ffffc900017d7d38 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  170.294763][    C1] RAX: ffff888097006c94 RBX: 0000000000000cc0 RCX: ffff888097006400
[  170.302736][    C1] RDX: 0000000000000000 RSI: ffffffff81be59ca RDI: 0000000000000286
[  170.310695][    C1] RBP: ffffc900017d7d70 R08: ffff888097006c58 R09: ffffed101553fbc1
[  170.318653][    C1] R10: ffffed101553fbc1 R11: 0000000000000000 R12: ffff8880aa9f9a80
[  170.326698][    C1] R13: ffff8880aa9f9a80 R14: ffff888099c24100 R15: 0000000000000cc0
[  170.334671][    C1]  ? getname_flags+0xba/0x640
[  170.339354][    C1]  ? getname_flags+0xba/0x640
[  170.344020][    C1]  getname_flags+0xba/0x640
[  170.348523][    C1]  do_renameat2+0x129/0xff0
[  170.353013][    C1]  ? debug_smp_processor_id+0x9/0x20
[  170.358289][    C1]  ? debug_smp_processor_id+0x1c/0x20
[  170.363651][    C1]  ? prepare_exit_to_usermode+0x221/0x5b0
[  170.369363][    C1]  ? trace_irq_disable_rcuidle+0x23/0x1e0
[  170.375069][    C1]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  170.380512][    C1]  ? trace_irq_disable_rcuidle+0x23/0x1e0
[  170.386255][    C1]  ? do_syscall_64+0x1d/0x1c0
[  170.390930][    C1]  __x64_sys_rename+0x68/0x80
[  170.395596][    C1]  do_syscall_64+0xf7/0x1c0
[  170.400092][    C1]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  170.405969][    C1] RIP: 0033:0x7f154ae01527
[  170.410460][    C1] Code: 32 00 64 83 38 15 74 07 b8 ff ff ff ff 5b c3 48 89 df e8 1c c1 07 00 85 c0 75 ed 31 c0 eb d3 90 90 90 90 b8 52 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 f8 32 00 31 d2 48 29 c2 64
[  170.430068][    C1] RSP: 002b:00007ffe86583ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[  170.438476][    C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f154ae01527
[  170.446462][    C1] RDX: 00000000012b2b90 RSI: 00007ffe86583af0 RDI: 00007ffe86583ef0
[  170.454431][    C1] RBP: 00000000012b0c80 R08: 00007f154b7747a0 R09: 0000000000000001
[  170.462394][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000012b2900
[  170.471739][    C1] R13: 00000000012ad250 R14: 00007ffe86583af0 R15: 0000000000000001