[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 50.851941][ T26] audit: type=1800 audit(1578460586.011:25): pid=8371 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 50.892698][ T26] audit: type=1800 audit(1578460586.011:26): pid=8371 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 50.917438][ T26] audit: type=1800 audit(1578460586.011:27): pid=8371 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[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts.
2020/01/08 05:16:37 fuzzer started
2020/01/08 05:16:38 dialing manager at 10.128.0.26:35703
2020/01/08 05:16:39 syscalls: 2824
2020/01/08 05:16:39 code coverage: enabled
2020/01/08 05:16:39 comparison tracing: enabled
2020/01/08 05:16:39 extra coverage: enabled
2020/01/08 05:16:39 setuid sandbox: enabled
2020/01/08 05:16:39 namespace sandbox: enabled
2020/01/08 05:16:39 Android sandbox: /sys/fs/selinux/policy does not exist
2020/01/08 05:16:39 fault injection: enabled
2020/01/08 05:16:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/01/08 05:16:39 net packet injection: enabled
2020/01/08 05:16:39 net device setup: enabled
2020/01/08 05:16:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2020/01/08 05:16:39 devlink PCI setup: PCI device 0000:00:10.0 is not available
05:16:40 executing program 0:
clone(0xffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff)
keyctl$set_reqkey_keyring(0xe, 0x5)
keyctl$join(0x1, 0x0)
request_key(&(0x7f00000004c0)='dns_resolver\x00', &(0x7f0000000500)={'syz', 0x0}, &(0x7f0000000540)='\x00', 0x0)
request_key(&(0x7f00000004c0)='dns_resolver\x00', &(0x7f0000000500)={'syz', 0x0}, 0x0, 0x0)
05:16:40 executing program 1:
r0 = epoll_create1(0x0)
r1 = epoll_create1(0x0)
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 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, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
close(r0)
r2 = socket$unix(0x1, 0x5, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000c85000))
epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r2, &(0x7f0000f2cff4)={0x53481b91e1a95fbd})
epoll_wait(r1, &(0x7f0000000000)=[{}], 0x1, 0x0)
syzkaller login: [ 65.192566][ T8540] IPVS: ftp: loaded support on port[0] = 21
[ 65.310989][ T8540] chnl_net:caif_netlink_parms(): no params data found
[ 65.356359][ T8540] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.365335][ T8540] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.373506][ T8540] device bridge_slave_0 entered promiscuous mode
[ 65.375649][ T8543] IPVS: ftp: loaded support on port[0] = 21
[ 65.387855][ T8540] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.396037][ T8540] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.404859][ T8540] device bridge_slave_1 entered promiscuous mode
[ 65.429708][ T8540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 65.442168][ T8540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
05:16:40 executing program 2:
msgsnd(0x0, &(0x7f0000000000)={0x3}, 0x8, 0x0)
[ 65.492016][ T8540] team0: Port device team_slave_0 added
[ 65.534251][ T8540] team0: Port device team_slave_1 added
[ 65.605835][ T8543] chnl_net:caif_netlink_parms(): no params data found
[ 65.725263][ T8540] device hsr_slave_0 entered promiscuous mode
05:16:40 executing program 3:
r0 = open$dir(&(0x7f0000000000)='./file0\x00', 0xc2843, 0x0)
vmsplice(r0, 0x0, 0x0, 0x0)
[ 65.803066][ T8540] device hsr_slave_1 entered promiscuous mode
[ 65.908446][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.932636][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.940596][ T8543] device bridge_slave_0 entered promiscuous mode
[ 65.984580][ T8546] IPVS: ftp: loaded support on port[0] = 21
[ 65.994515][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.001742][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.010380][ T8543] device bridge_slave_1 entered promiscuous mode
05:16:41 executing program 4:
r0 = socket$inet6(0xa, 0x80806, 0x0)
connect$inet6(r0, &(0x7f00000002c0), 0x1c)
r1 = socket$inet6(0xa, 0x80003, 0xff)
ioctl(r1, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071")
ppoll(&(0x7f0000000000)=[{r0}, {r0}], 0x2, 0x0, 0x0, 0x0)
[ 66.047437][ T8548] IPVS: ftp: loaded support on port[0] = 21
[ 66.068434][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 66.123145][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 66.240098][ T8543] team0: Port device team_slave_0 added
[ 66.335567][ T8543] team0: Port device team_slave_1 added
[ 66.352214][ T8548] chnl_net:caif_netlink_parms(): no params data found
05:16:41 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x0, 0x0)
ioctl$VHOST_SET_VRING_KICK(r0, 0x400c330d, 0x0)
[ 66.457949][ T8543] device hsr_slave_0 entered promiscuous mode
[ 66.512894][ T8543] device hsr_slave_1 entered promiscuous mode
[ 66.562977][ T8543] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 66.572714][ T8543] Cannot create hsr debugfs directory
[ 66.606901][ T8551] IPVS: ftp: loaded support on port[0] = 21
[ 66.638327][ T8540] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 66.696506][ T8540] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 66.756209][ T8540] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 66.829558][ T8540] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 66.901321][ T8553] IPVS: ftp: loaded support on port[0] = 21
[ 66.920680][ T8548] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.928936][ T8548] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.937862][ T8548] device bridge_slave_0 entered promiscuous mode
[ 66.947501][ T8548] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.954835][ T8548] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.963118][ T8548] device bridge_slave_1 entered promiscuous mode
[ 66.988624][ T8546] chnl_net:caif_netlink_parms(): no params data found
[ 67.040530][ T8548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 67.053854][ T8548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 67.099408][ T8548] team0: Port device team_slave_0 added
[ 67.128327][ T8548] team0: Port device team_slave_1 added
[ 67.158107][ T8543] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 67.216508][ T8543] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 67.278782][ T8543] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 67.330649][ T8546] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.337872][ T8546] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.345637][ T8546] device bridge_slave_0 entered promiscuous mode
[ 67.369182][ T8543] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 67.407772][ T8546] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.415668][ T8546] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.423767][ T8546] device bridge_slave_1 entered promiscuous mode
[ 67.494776][ T8548] device hsr_slave_0 entered promiscuous mode
[ 67.532939][ T8548] device hsr_slave_1 entered promiscuous mode
[ 67.592681][ T8548] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 67.600273][ T8548] Cannot create hsr debugfs directory
[ 67.647267][ T8546] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 67.658181][ T8546] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 67.671710][ T8551] chnl_net:caif_netlink_parms(): no params data found
[ 67.723791][ T8540] 8021q: adding VLAN 0 to HW filter on device bond0
[ 67.738687][ T8546] team0: Port device team_slave_0 added
[ 67.779598][ T8546] team0: Port device team_slave_1 added
[ 67.835472][ T8546] device hsr_slave_0 entered promiscuous mode
[ 67.892991][ T8546] device hsr_slave_1 entered promiscuous mode
[ 67.942627][ T8546] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 67.950878][ T8546] Cannot create hsr debugfs directory
[ 67.964112][ T8553] chnl_net:caif_netlink_parms(): no params data found
[ 68.002685][ T8551] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.010001][ T8551] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.018406][ T8551] device bridge_slave_0 entered promiscuous mode
[ 68.056756][ T8551] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.068357][ T8551] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.076700][ T8551] device bridge_slave_1 entered promiscuous mode
[ 68.088103][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 68.096802][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 68.108262][ T8540] 8021q: adding VLAN 0 to HW filter on device team0
[ 68.174874][ T8551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 68.197938][ T8546] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 68.245034][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 68.253986][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 68.262430][ T2767] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.269706][ T2767] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.278226][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 68.292881][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 68.301790][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 68.310218][ T44] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.317496][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.326181][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 68.340683][ T8551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 68.367312][ T8546] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 68.405227][ T8546] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 68.445391][ T8546] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 68.479532][ T8548] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 68.515330][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.522432][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.530971][ T8553] device bridge_slave_0 entered promiscuous mode
[ 68.547177][ T8551] team0: Port device team_slave_0 added
[ 68.570874][ T8551] team0: Port device team_slave_1 added
[ 68.577078][ T8548] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 68.614167][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.621251][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.629794][ T8553] device bridge_slave_1 entered promiscuous mode
[ 68.640237][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 68.649151][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 68.658374][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 68.666735][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 68.675769][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 68.686234][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 68.694563][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 68.703043][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 68.711238][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 68.719777][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 68.732902][ T8540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 68.747829][ T8548] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 68.805036][ T8548] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 68.886433][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0
[ 68.899871][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 68.935353][ T8551] device hsr_slave_0 entered promiscuous mode
[ 68.964148][ T8551] device hsr_slave_1 entered promiscuous mode
[ 69.002635][ T8551] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 69.010227][ T8551] Cannot create hsr debugfs directory
[ 69.040703][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 69.082094][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 69.089776][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 69.100211][ T8553] team0: Port device team_slave_0 added
[ 69.109676][ T8553] team0: Port device team_slave_1 added
[ 69.137480][ T8540] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 69.154904][ T8543] 8021q: adding VLAN 0 to HW filter on device team0
[ 69.164593][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 69.172336][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 69.237177][ T8553] device hsr_slave_0 entered promiscuous mode
[ 69.292959][ T8553] device hsr_slave_1 entered promiscuous mode
[ 69.332671][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 69.340287][ T8553] Cannot create hsr debugfs directory
[ 69.377523][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 69.386329][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 69.395076][ T5] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.402121][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 69.411529][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 69.465447][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 69.475955][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 69.484726][ T44] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.491770][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 69.512695][ T8551] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 69.557249][ T8551] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 69.616617][ T8546] 8021q: adding VLAN 0 to HW filter on device bond0
[ 69.629740][ T8540] device veth0_vlan entered promiscuous mode
[ 69.637887][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 69.647748][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 69.656574][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 69.665985][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 69.675116][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 69.683906][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 69.692169][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 69.700644][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 69.713930][ T8551] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 69.764842][ T8551] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 69.811948][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 69.820670][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 69.829751][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 69.837600][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 69.847131][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 69.861928][ T8543] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 69.874782][ T8543] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 69.903222][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 69.912317][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 69.923527][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 69.933048][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 69.941238][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 69.949079][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 69.957052][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 69.973420][ T8546] 8021q: adding VLAN 0 to HW filter on device team0
[ 69.983845][ T8548] 8021q: adding VLAN 0 to HW filter on device bond0
[ 70.005250][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 70.015713][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 70.027036][ T8540] device veth1_vlan entered promiscuous mode
[ 70.052952][ T8548] 8021q: adding VLAN 0 to HW filter on device team0
[ 70.064567][ T8543] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 70.080981][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 70.090009][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 70.098584][ T2798] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.105678][ T2798] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.114213][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 70.123371][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 70.131013][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 70.139863][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 70.148862][ T2798] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.157101][ T2798] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.168357][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 70.204058][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 70.218878][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 70.228805][ T2767] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.235974][ T2767] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.249859][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 70.259503][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 70.270797][ T2767] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.278074][ T2767] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.286500][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 70.296141][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 70.304815][ T2767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 70.322870][ T8553] netdevsim netdevsim5 netdevsim0: renamed from eth0
[ 70.378541][ T8553] netdevsim netdevsim5 netdevsim1: renamed from eth1
[ 70.438433][ T8553] netdevsim netdevsim5 netdevsim2: renamed from eth2
[ 70.493228][ T8553] netdevsim netdevsim5 netdevsim3: renamed from eth3
[ 175.522476][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 175.531066][ C0] (detected by 0, t=10502 jiffies, g=7425, q=182)
[ 175.537834][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954614-4294944111), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 175.551268][ C0] rcu_preempt R running task 28984 10 2 0x80004008
[ 175.559608][ C0] Call Trace:
[ 175.562887][ C0]
[ 175.565744][ C0] sched_show_task+0x40f/0x560
[ 175.570503][ C0] rcu_sched_clock_irq+0x1861/0x1ad0
[ 175.575926][ C0] update_process_times+0x12d/0x180
[ 175.581377][ C0] tick_sched_timer+0x263/0x420
[ 175.586391][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0
[ 175.591927][ C0] __hrtimer_run_queues+0x403/0x840
[ 175.597129][ C0] hrtimer_interrupt+0x38c/0xda0
[ 175.602076][ C0] ? debug_smp_processor_id+0x9/0x20
[ 175.607358][ C0] smp_apic_timer_interrupt+0x109/0x280
[ 175.614112][ C0] apic_timer_interrupt+0xf/0x20
[ 175.619034][ C0]
[ 175.621990][ C0] RIP: 0010:free_thread_stack+0x195/0x590
[ 175.627873][ C0] Code: 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1b 94 6a 00 <48> 8b 1b e9 82 ff ff ff e8 be 2b 2e 00 43 80 3c 2e 00 75 18 eb 1e
[ 175.647572][ C0] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 175.655997][ C0] RAX: 1ffff11012805ec1 RBX: ffff88809402f608 RCX: ffff8880a99ec280
[ 175.664328][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002503780
[ 175.672298][ C0] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff124248a
[ 175.680363][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809402f6a0
[ 175.688327][ C0] R13: dffffc0000000000 R14: 1ffff11012805ed4 R15: ffff888092c79938
[ 175.696486][ C0] ? free_thread_stack+0x168/0x590
[ 175.701676][ C0] put_task_stack+0xa3/0x130
[ 175.706869][ C0] finish_task_switch+0x3f1/0x550
[ 175.712064][ C0] __schedule+0x9a8/0xcc0
[ 175.716394][ C0] schedule+0x181/0x210
[ 175.720629][ C0] schedule_timeout+0x14f/0x240
[ 175.725489][ C0] ? run_local_timers+0x120/0x120
[ 175.730769][ C0] rcu_gp_kthread+0xed8/0x1770
[ 175.735533][ C0] kthread+0x332/0x350
[ 175.739588][ C0] ? rcu_report_qs_rsp+0x140/0x140
[ 175.744699][ C0] ? kthread_blkcg+0xe0/0xe0
[ 175.749280][ C0] ret_from_fork+0x24/0x30
[ 175.753701][ C0] rcu: rcu_preempt kthread starved for 10525 jiffies! g7425 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 175.764784][ C0] rcu: RCU grace-period kthread stack dump:
[ 175.770668][ C0] rcu_preempt R running task 28984 10 2 0x80004008
[ 175.778819][ C0] Call Trace:
[ 175.782095][ C0]
[ 175.785293][ C0] sched_show_task+0x40f/0x560
[ 175.790055][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0
[ 175.796203][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0
[ 175.801486][ C0] update_process_times+0x12d/0x180
[ 175.806677][ C0] tick_sched_timer+0x263/0x420
[ 175.811535][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0
[ 175.817081][ C0] __hrtimer_run_queues+0x403/0x840
[ 175.822282][ C0] hrtimer_interrupt+0x38c/0xda0
[ 175.827242][ C0] ? debug_smp_processor_id+0x9/0x20
[ 175.832520][ C0] smp_apic_timer_interrupt+0x109/0x280
[ 175.840664][ C0] apic_timer_interrupt+0xf/0x20
[ 175.845587][ C0]
[ 175.848520][ C0] RIP: 0010:free_thread_stack+0x195/0x590
[ 175.854317][ C0] Code: 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1b 94 6a 00 <48> 8b 1b e9 82 ff ff ff e8 be 2b 2e 00 43 80 3c 2e 00 75 18 eb 1e
[ 175.874082][ C0] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 175.882500][ C0] RAX: 1ffff11012805ec1 RBX: ffff88809402f608 RCX: ffff8880a99ec280
[ 175.891762][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002503780
[ 175.900684][ C0] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff124248a
[ 175.908836][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809402f6a0
[ 175.916800][ C0] R13: dffffc0000000000 R14: 1ffff11012805ed4 R15: ffff888092c79938
[ 175.924799][ C0] ? free_thread_stack+0x168/0x590
[ 175.929902][ C0] put_task_stack+0xa3/0x130
[ 175.934485][ C0] finish_task_switch+0x3f1/0x550
[ 175.939518][ C0] __schedule+0x9a8/0xcc0
[ 175.943860][ C0] schedule+0x181/0x210
[ 175.948008][ C0] schedule_timeout+0x14f/0x240
[ 175.952848][ C0] ? run_local_timers+0x120/0x120
[ 175.958474][ C0] rcu_gp_kthread+0xed8/0x1770
[ 175.963236][ C0] kthread+0x332/0x350
[ 175.967292][ C0] ? rcu_report_qs_rsp+0x140/0x140
[ 175.972430][ C0] ? kthread_blkcg+0xe0/0xe0
[ 175.977018][ C0] ret_from_fork+0x24/0x30