[   42.400843][   T25] audit: type=1800 audit(1575376789.179:27): pid=7913 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[   42.461666][   T25] audit: type=1800 audit(1575376789.279:28): pid=7913 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.
[   43.265587][   T25] audit: type=1800 audit(1575376790.079:29): pid=7913 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0
[   43.284750][   T25] audit: type=1800 audit(1575376790.079:30): pid=7913 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 '10.128.15.206' (ECDSA) to the list of known hosts.
2019/12/03 12:39:58 fuzzer started
2019/12/03 12:40:00 dialing manager at 10.128.0.26:45711
2019/12/03 12:40:00 syscalls: 2689
2019/12/03 12:40:00 code coverage: enabled
2019/12/03 12:40:00 comparison tracing: enabled
2019/12/03 12:40:00 extra coverage: extra coverage is not supported by the kernel
2019/12/03 12:40:00 setuid sandbox: enabled
2019/12/03 12:40:00 namespace sandbox: enabled
2019/12/03 12:40:00 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/03 12:40:00 fault injection: enabled
2019/12/03 12:40:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/03 12:40:00 net packet injection: enabled
2019/12/03 12:40:00 net device setup: enabled
2019/12/03 12:40:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2019/12/03 12:40:00 devlink PCI setup: PCI device 0000:00:10.0 is not available
12:40:01 executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff})
r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x800, 0x0)
read$usbfs(r1, &(0x7f00000012c0)=""/154, 0x9a)
r2 = socket$netlink(0x10, 0x3, 0x0)
r3 = fcntl$dupfd(r2, 0x0, r2)
ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200)
dup2(r0, r1)

12:40:01 executing program 1:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000100)={0x0, 0x2, &(0x7f0000000000)={&(0x7f0000000040)=@newlink={0x44, 0x10, 0x501, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, @bond={{0xc, 0x1, 'bond\x00'}, {0x14, 0x2, [@IFLA_BOND_AD_ACTOR_SYS_PRIO={0x8, 0x18, 0x3f}, @IFLA_BOND_MODE={0x8, 0x1, 0x4}]}}}]}, 0x44}}, 0x0)

syzkaller login: [   54.482339][ T8078] IPVS: ftp: loaded support on port[0] = 21
[   54.624383][ T8080] IPVS: ftp: loaded support on port[0] = 21
[   54.636249][ T8078] chnl_net:caif_netlink_parms(): no params data found
12:40:01 executing program 2:
openat$ipvs(0xffffffffffffff9c, &(0x7f0000000740)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0)
r0 = socket$unix(0x1, 0x5, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
r2 = dup2(r1, r0)
ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200)
r3 = socket$inet6_tcp(0xa, 0x1, 0x0)
fstat(r3, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x0, <r4=>0x0})
setgid(r4)
r5 = socket$inet_udplite(0x2, 0x2, 0x88)
getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, <r6=>0x0}, &(0x7f0000000280)=0x5)
setuid(r6)
syz_open_procfs(0x0, &(0x7f0000000180)='fd/3\x00\x02\x17\x87:\xf4\x03\xdfc\x88,5I\xd7^\xb5D\xf7\xd7\xdb,(\x03\x00\xc2\x06MG\xcd\xe9w\xe5s\x02\xf2\xea\xb6\xabsp\x12xT8\x01\x00\xd4S\xd8F\xab.x|\x8b\x87\xb0\xa2\xf5Y>\xb1 p\x998(\xe63\xcf\x7f\xac\x89F\x03n\x96\x15zsw\x98\xca\xcb3\xb6M=h\x01i.\xa3\xda}\x190~\xe7d6\xa5\x17\xb3\xe9\xd9QV\x0f\xf3\x02\xd6\xc1\xc3n\xcd*R\x9a\x95\x12\x05K\xa0<\xc9\xe3\xed\xab\xc9\x8bK\xb3\x86\xe2\x93f\x92iKA|e\x97k :,J36\x11\xf0\x99\x96\xb7]\xfd\xe3\v\xd8\x98\xc5o\xc6\xde\x80\xf7_\xc9\x8f\xaf\xf9\xd5\xb7ui\xea\xde\xd0\xeb\xd9\xf5_\v\xe2*\xa3\xf4\xab?n\xcb\x19i\x80\x91\xd2\xf6\x14\xfe!!0\x84L\x86\x81\x95,B\x11\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\xab*[\xa5\xb217\x93\xf3\x88\x92\xa6\xde\x11\xa2-J\x9d\xc9\xb2\x97\xa3\x88v\x9eR\x155\xc7N!\xdb\"8\xc8I\xb9c\xed\xa7!\t\x85s\xb1\xa5\xa7R2Yf\x1c\xf8\xc2z>\xb1\x9c\x02a\x87\xe9\xb8\xf8\xdcv\xb6\xe4\xa6\n\x0e\x83lM7\xcc?\xea\x19\x99\xce\x1c\x10\xd2lQ(\xc7\xe9\xef\xd2Q\vY\xf58\x10|8}uE\xaf\xb4w;\xbc\xe4\x01\xd8\xf2\xf9u\xc1Dt\'\x84\xb5\xa4\x83\xeft\xfc\xf3\t\x87<B%\xd1g\xd6\xe3\xca8\x9aT\x0e\xf5iA\x05\x13\x02\x14\to\xca\xf7\x04\x15U2\xaef\x1d\xb6\x9f')

[   54.734581][ T8078] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.743369][ T8078] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.753126][ T8078] device bridge_slave_0 entered promiscuous mode
[   54.765845][ T8078] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.773049][ T8078] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.782353][ T8078] device bridge_slave_1 entered promiscuous mode
[   54.807991][ T8078] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   54.821977][ T8078] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   54.884703][ T8078] team0: Port device team_slave_0 added
[   54.900293][ T8078] team0: Port device team_slave_1 added
[   54.928115][ T8084] IPVS: ftp: loaded support on port[0] = 21
[   54.937127][ T8080] chnl_net:caif_netlink_parms(): no params data found
12:40:01 executing program 3:
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ff9000/0x2000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000ffa000/0x2000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, 0x0}, 0x68)
prctl$PR_SET_MM(0x23, 0x4, &(0x7f0000ffc000/0x1000)=nil)

[   54.991424][ T8078] device hsr_slave_0 entered promiscuous mode
[   55.038816][ T8078] device hsr_slave_1 entered promiscuous mode
[   55.170771][ T8086] IPVS: ftp: loaded support on port[0] = 21
[   55.201184][ T8078] netdevsim netdevsim0 netdevsim0: renamed from eth0
12:40:02 executing program 4:
rt_sigprocmask(0x0, &(0x7f0000000000)={0xfffffffffffffffe}, 0x0, 0x8)
r0 = gettid()
tkill(r0, 0x38)
r1 = signalfd4(0xffffffffffffffff, &(0x7f0000000ff8)={0xfffffffffffffdb0}, 0x8, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
read(r1, &(0x7f00000001c0)=""/128, 0x3ea)

[   55.282618][ T8078] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   55.371007][ T8078] netdevsim netdevsim0 netdevsim2: renamed from eth2
12:40:02 executing program 5:
r0 = epoll_create1(0x0)
r1 = epoll_create1(0x0)
close(r0)
syz_open_dev$vcsn(&(0x7f00000001c0)='/dev/vcs#\x00', 0x4, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000780)={0x40002001})
epoll_pwait(r1, &(0x7f00000000c0)=[{}], 0x1, 0x0, 0x0, 0x0)

[   55.417390][ T8080] bridge0: port 1(bridge_slave_0) entered blocking state
[   55.430630][ T8080] bridge0: port 1(bridge_slave_0) entered disabled state
[   55.439201][ T8080] device bridge_slave_0 entered promiscuous mode
[   55.451034][ T8078] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   55.461790][ T8088] IPVS: ftp: loaded support on port[0] = 21
[   55.520582][ T8080] bridge0: port 2(bridge_slave_1) entered blocking state
[   55.527658][ T8080] bridge0: port 2(bridge_slave_1) entered disabled state
[   55.549446][ T8080] device bridge_slave_1 entered promiscuous mode
[   55.579564][ T8078] bridge0: port 2(bridge_slave_1) entered blocking state
[   55.586789][ T8078] bridge0: port 2(bridge_slave_1) entered forwarding state
[   55.594959][ T8078] bridge0: port 1(bridge_slave_0) entered blocking state
[   55.602070][ T8078] bridge0: port 1(bridge_slave_0) entered forwarding state
[   55.618615][ T8080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   55.636850][ T8080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   55.659156][ T8080] team0: Port device team_slave_0 added
[   55.679659][ T8080] team0: Port device team_slave_1 added
[   55.700748][ T8090] bridge0: port 1(bridge_slave_0) entered disabled state
[   55.708972][ T8090] bridge0: port 2(bridge_slave_1) entered disabled state
[   55.724433][ T8091] IPVS: ftp: loaded support on port[0] = 21
[   55.811043][ T8080] device hsr_slave_0 entered promiscuous mode
[   55.868911][ T8080] device hsr_slave_1 entered promiscuous mode
[   55.918627][ T8080] debugfs: Directory 'hsr0' with parent '/' already present!
[   55.972717][ T8084] chnl_net:caif_netlink_parms(): no params data found
[   56.004681][ T8088] chnl_net:caif_netlink_parms(): no params data found
[   56.065599][ T8088] bridge0: port 1(bridge_slave_0) entered blocking state
[   56.073743][ T8088] bridge0: port 1(bridge_slave_0) entered disabled state
[   56.081869][ T8088] device bridge_slave_0 entered promiscuous mode
[   56.093766][ T8084] bridge0: port 1(bridge_slave_0) entered blocking state
[   56.101284][ T8084] bridge0: port 1(bridge_slave_0) entered disabled state
[   56.109567][ T8084] device bridge_slave_0 entered promiscuous mode
[   56.117071][ T8084] bridge0: port 2(bridge_slave_1) entered blocking state
[   56.124235][ T8084] bridge0: port 2(bridge_slave_1) entered disabled state
[   56.131967][ T8084] device bridge_slave_1 entered promiscuous mode
[   56.144352][ T8088] bridge0: port 2(bridge_slave_1) entered blocking state
[   56.151531][ T8088] bridge0: port 2(bridge_slave_1) entered disabled state
[   56.161799][ T8088] device bridge_slave_1 entered promiscuous mode
[   56.184198][ T8086] chnl_net:caif_netlink_parms(): no params data found
[   56.220535][ T8084] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   56.232142][ T8084] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   56.246693][ T8078] 8021q: adding VLAN 0 to HW filter on device bond0
[   56.271274][ T8080] netdevsim netdevsim1 netdevsim0: renamed from eth0
[   56.312681][ T8080] netdevsim netdevsim1 netdevsim1: renamed from eth1
[   56.383257][ T8084] team0: Port device team_slave_0 added
[   56.390597][ T8088] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   56.402913][ T8080] netdevsim netdevsim1 netdevsim2: renamed from eth2
[   56.465723][ T8080] netdevsim netdevsim1 netdevsim3: renamed from eth3
[   56.525255][ T8084] team0: Port device team_slave_1 added
[   56.532087][ T8088] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   56.541443][ T8091] chnl_net:caif_netlink_parms(): no params data found
[   56.563350][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   56.572246][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   56.583096][ T8078] 8021q: adding VLAN 0 to HW filter on device team0
[   56.604466][ T8086] bridge0: port 1(bridge_slave_0) entered blocking state
[   56.612698][ T8086] bridge0: port 1(bridge_slave_0) entered disabled state
[   56.621001][ T8086] device bridge_slave_0 entered promiscuous mode
[   56.631329][ T8086] bridge0: port 2(bridge_slave_1) entered blocking state
[   56.638367][ T8086] bridge0: port 2(bridge_slave_1) entered disabled state
[   56.646101][ T8086] device bridge_slave_1 entered promiscuous mode
[   56.676559][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   56.685174][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   56.694232][   T17] bridge0: port 1(bridge_slave_0) entered blocking state
[   56.701433][   T17] bridge0: port 1(bridge_slave_0) entered forwarding state
[   56.719075][ T8086] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   56.734102][ T8088] team0: Port device team_slave_0 added
[   56.742885][ T8088] team0: Port device team_slave_1 added
[   56.755068][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   56.763624][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   56.773082][ T2995] bridge0: port 2(bridge_slave_1) entered blocking state
[   56.780177][ T2995] bridge0: port 2(bridge_slave_1) entered forwarding state
[   56.787794][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   56.832219][ T8084] device hsr_slave_0 entered promiscuous mode
[   56.870050][ T8084] device hsr_slave_1 entered promiscuous mode
[   56.908599][ T8084] debugfs: Directory 'hsr0' with parent '/' already present!
[   56.917286][ T8086] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   56.951988][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   56.970667][ T8091] bridge0: port 1(bridge_slave_0) entered blocking state
[   56.977832][ T8091] bridge0: port 1(bridge_slave_0) entered disabled state
[   56.985691][ T8091] device bridge_slave_0 entered promiscuous mode
[   56.994851][ T8086] team0: Port device team_slave_0 added
[   57.051428][ T8088] device hsr_slave_0 entered promiscuous mode
[   57.099004][ T8088] device hsr_slave_1 entered promiscuous mode
[   57.138660][ T8088] debugfs: Directory 'hsr0' with parent '/' already present!
[   57.150431][ T8091] bridge0: port 2(bridge_slave_1) entered blocking state
[   57.157524][ T8091] bridge0: port 2(bridge_slave_1) entered disabled state
[   57.165670][ T8091] device bridge_slave_1 entered promiscuous mode
[   57.174116][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   57.183374][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   57.191921][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   57.200648][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   57.210044][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   57.218211][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   57.226532][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   57.234726][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   57.243886][ T8086] team0: Port device team_slave_1 added
[   57.251984][ T8078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   57.279387][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   57.326052][ T8091] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   57.335771][ T8084] netdevsim netdevsim2 netdevsim0: renamed from eth0
[   57.442139][ T8086] device hsr_slave_0 entered promiscuous mode
[   57.508823][ T8086] device hsr_slave_1 entered promiscuous mode
[   57.568711][ T8086] debugfs: Directory 'hsr0' with parent '/' already present!
[   57.577839][ T8091] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   57.602289][ T8084] netdevsim netdevsim2 netdevsim1: renamed from eth1
[   57.680813][ T8088] netdevsim netdevsim4 netdevsim0: renamed from eth0
[   57.721354][ T8088] netdevsim netdevsim4 netdevsim1: renamed from eth1
[   57.794998][ T8091] team0: Port device team_slave_0 added
[   57.802487][ T8084] netdevsim netdevsim2 netdevsim2: renamed from eth2
[   57.841865][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   57.849431][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   57.856810][ T8084] netdevsim netdevsim2 netdevsim3: renamed from eth3
[   57.923308][ T8088] netdevsim netdevsim4 netdevsim2: renamed from eth2
[   57.982676][ T8078] 8021q: adding VLAN 0 to HW filter on device batadv0
[   57.997494][ T8091] team0: Port device team_slave_1 added
[   58.014130][ T8088] netdevsim netdevsim4 netdevsim3: renamed from eth3
[   58.108618][ T8080] 8021q: adding VLAN 0 to HW filter on device bond0
[   58.125175][ T8086] netdevsim netdevsim3 netdevsim0: renamed from eth0
[   58.161013][ T8086] netdevsim netdevsim3 netdevsim1: renamed from eth1
[   58.292027][ T8091] device hsr_slave_0 entered promiscuous mode
[   58.348816][ T8091] device hsr_slave_1 entered promiscuous mode
[   58.399499][ T8091] debugfs: Directory 'hsr0' with parent '/' already present!
[   58.434849][ T8086] netdevsim netdevsim3 netdevsim2: renamed from eth2
[  163.458465][    C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[  163.465243][    C0] rcu: 	0-...!: (10499 ticks this GP) idle=3aa/1/0x4000000000000002 softirq=11058/11058 fqs=40 
[  163.475797][    C0] 	(t=10500 jiffies g=5905 q=215)
[  163.480810][    C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g5905 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  163.491890][    C0] rcu: RCU grace-period kthread stack dump:
[  163.497768][    C0] rcu_preempt     R  running task    28864    10      2 0x80004000
[  163.505654][    C0] Call Trace:
[  163.508938][    C0]  __schedule+0x9a0/0xcc0
[  163.513264][    C0]  schedule+0x181/0x210
[  163.517406][    C0]  schedule_timeout+0x14f/0x240
[  163.522246][    C0]  ? run_local_timers+0x120/0x120
[  163.527260][    C0]  rcu_gp_kthread+0xed8/0x1770
[  163.532020][    C0]  kthread+0x332/0x350
[  163.536072][    C0]  ? rcu_report_qs_rsp+0x140/0x140
[  163.541170][    C0]  ? kthread_blkcg+0xe0/0xe0
[  163.545751][    C0]  ret_from_fork+0x24/0x30
[  163.550170][    C0] NMI backtrace for cpu 0
[  163.554489][    C0] CPU: 0 PID: 8078 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0
[  163.562706][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  163.572909][    C0] Call Trace:
[  163.576196][    C0]  <IRQ>
[  163.579058][    C0]  dump_stack+0x1fb/0x318
[  163.583409][    C0]  nmi_cpu_backtrace+0xaf/0x1a0
[  163.588258][    C0]  ? nmi_trigger_cpumask_backtrace+0x16d/0x290
[  163.594408][    C0]  ? arch_trigger_cpumask_backtrace+0x20/0x20
[  163.600463][    C0]  nmi_trigger_cpumask_backtrace+0x174/0x290
[  163.606432][    C0]  arch_trigger_cpumask_backtrace+0x10/0x20
[  163.612312][    C0]  rcu_dump_cpu_stacks+0x15a/0x220
[  163.617415][    C0]  rcu_sched_clock_irq+0xe25/0x1ad0
[  163.622615][    C0]  ? trace_hardirqs_off+0x74/0x80
[  163.627628][    C0]  update_process_times+0x12d/0x180
[  163.632829][    C0]  tick_sched_timer+0x263/0x420
[  163.637664][    C0]  ? tick_setup_sched_timer+0x3d0/0x3d0
[  163.643195][    C0]  __hrtimer_run_queues+0x403/0x840
[  163.648393][    C0]  hrtimer_interrupt+0x38c/0xda0
[  163.653334][    C0]  ? debug_smp_processor_id+0x9/0x20
[  163.658611][    C0]  smp_apic_timer_interrupt+0x109/0x280
[  163.664143][    C0]  apic_timer_interrupt+0xf/0x20
[  163.669061][    C0]  </IRQ>
[  163.671986][    C0] RIP: 0010:free_thread_stack+0x133/0x590
[  163.677694][    C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48
[  163.697299][    C0] RSP: 0018:ffffc90001ee7bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  163.705698][    C0] RAX: 0000000000000001 RBX: ffffea00024b7c40 RCX: 0000000000000000
[  163.713656][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024b7c40
[  163.721613][    C0] RBP: ffffc90001ee7c08 R08: 000000000003a768 R09: ffffed1011b1529f
[  163.729624][    C0] R10: ffffed1011b1529f R11: 0000000000000000 R12: ffff88809fac9520
[  163.737585][    C0] R13: dffffc0000000000 R14: 1ffff11013f592a4 R15: ffff88808d8a94e8
[  163.745584][    C0]  put_task_stack+0xa3/0x130
[  163.750163][    C0]  finish_task_switch+0x3f1/0x550
[  163.755175][    C0]  __schedule+0x9a8/0xcc0
[  163.759503][    C0]  schedule+0x181/0x210
[  163.763649][    C0]  do_nanosleep+0x1d0/0x6c0
[  163.768147][    C0]  hrtimer_nanosleep+0x3a6/0x5b0
[  163.773076][    C0]  ? trace_hrtimer_expire_exit+0x2d0/0x2d0
[  163.778874][    C0]  __x64_sys_nanosleep+0x186/0x1d0
[  163.783974][    C0]  do_syscall_64+0xf7/0x1c0
[  163.788461][    C0]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  163.794340][    C0] RIP: 0033:0x458b20
[  163.798219][    C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 11 fe 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00
[  163.817810][    C0] RSP: 002b:00007ffe2966c008 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
[  163.826220][    C0] RAX: ffffffffffffffda RBX: 000000000000e425 RCX: 0000000000458b20
[  163.834264][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe2966c010
[  163.842655][    C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 000000000190a940
[  163.850612][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  163.858571][    C0] R13: 00007ffe2966c060 R14: 000000000000e41d R15: 00007ffe2966c070