[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.265333][ T23] audit: type=1800 audit(1575382301.701:25): pid=8115 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.298065][ T23] audit: type=1800 audit(1575382301.701:26): pid=8115 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.334235][ T23] audit: type=1800 audit(1575382301.701:27): pid=8115 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[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. 2019/12/03 14:11:52 fuzzer started 2019/12/03 14:11:54 dialing manager at 10.128.0.26:45711 2019/12/03 14:11:54 syscalls: 2689 2019/12/03 14:11:54 code coverage: enabled 2019/12/03 14:11:54 comparison tracing: enabled 2019/12/03 14:11:54 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:11:54 setuid sandbox: enabled 2019/12/03 14:11:54 namespace sandbox: enabled 2019/12/03 14:11:54 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:11:54 fault injection: enabled 2019/12/03 14:11:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:11:54 net packet injection: enabled 2019/12/03 14:11:54 net device setup: enabled 2019/12/03 14:11:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:11:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:11:55 executing program 0: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000240)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f00000018c0)=""/246) r1 = memfd_create(&(0x7f0000000280)='^\x00', 0x0) ioctl$PPPIOCSFLAGS1(r0, 0x40047459, &(0x7f00000003c0)=0x17642c4) pwritev(r1, &(0x7f0000000040)=[{&(0x7f0000000000)="a8", 0x1}], 0x1, 0x0) r2 = dup2(r0, r0) preadv(r2, &(0x7f00000000c0)=[{&(0x7f0000000540)=""/4096, 0x1000}], 0x1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendfile(r0, r1, 0x0, 0x102002700) 14:11:55 executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=ANY=[@ANYBLOB="02030609100000000000004c9e0000000200aa0802000000000000000000000105000600200000000a00d05a396461e838ae00e50000050000001f000000000000250000000000000200010000000000102000022000627c05000500110000000a00000000010200000000000000000000000000000001170000020000000000"], 0x80}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000300)=ANY=[@ANYBLOB="020a000007000000000000000000000c05001affffffff00000000000000000056a5e8f7e28ae403a294a1fff5693732d11eea39c6727146e7ff305add29ffffffff000000000081080000000000260000000000"], 0x38}}, 0x0) sendmmsg(r0, &(0x7f0000000180), 0x400000000000238, 0x0) syzkaller login: [ 58.127055][ T8280] IPVS: ftp: loaded support on port[0] = 21 14:11:55 executing program 2: r0 = socket$inet(0x10, 0x3, 0xc) sendmsg(r0, &(0x7f000001d000)={0x0, 0x0, &(0x7f0000024000)=[{&(0x7f0000000100)="24000000100a07031dff22946fa2830020200a0009000300001d85687f0000000400ff7e", 0x24}], 0x1}, 0x0) [ 58.293655][ T8280] chnl_net:caif_netlink_parms(): no params data found [ 58.326351][ T8283] IPVS: ftp: loaded support on port[0] = 21 [ 58.405113][ T8280] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.419442][ T8280] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.427224][ T8280] device bridge_slave_0 entered promiscuous mode [ 58.451405][ T8280] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.458496][ T8280] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.467785][ T8280] device bridge_slave_1 entered promiscuous mode [ 58.492671][ T8285] IPVS: ftp: loaded support on port[0] = 21 [ 58.535488][ T8280] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.561805][ T8280] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 14:11:56 executing program 3: syz_open_dev$video(&(0x7f0000000880)='/dev/video#\x00', 0x0, 0x0) clone3(&(0x7f0000000480)={0x0, &(0x7f0000000600), &(0x7f0000000640), &(0x7f0000000680), 0x0, 0x0, &(0x7f00000006c0)=""/255, 0x293, &(0x7f00000007c0)=""/128, &(0x7f0000000880), 0x2}, 0x20e) [ 58.607745][ T8280] team0: Port device team_slave_0 added [ 58.642063][ T8280] team0: Port device team_slave_1 added [ 58.676843][ T8283] chnl_net:caif_netlink_parms(): no params data found [ 58.801758][ T8280] device hsr_slave_0 entered promiscuous mode 14:11:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000002e80)={0x14, 0x40000000042, 0x105, 0x0, 0x0, {0x2}}, 0x14}}, 0x0) [ 58.850220][ T8280] device hsr_slave_1 entered promiscuous mode [ 58.947554][ T8289] IPVS: ftp: loaded support on port[0] = 21 [ 58.983523][ T8285] chnl_net:caif_netlink_parms(): no params data found 14:11:56 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)="230000005e0081aee40c0c00000f008d44b74c7650b6ca4326d1908ffb4d487d84b65c", 0x23}], 0x1}, 0x0) [ 59.065455][ T8283] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.079671][ T8291] IPVS: ftp: loaded support on port[0] = 21 [ 59.092142][ T8283] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.100483][ T8283] device bridge_slave_0 entered promiscuous mode [ 59.153338][ T8280] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.202565][ T8280] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.241095][ T8283] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.248209][ T8283] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.256641][ T8283] device bridge_slave_1 entered promiscuous mode [ 59.289035][ T8280] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.364790][ T8285] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.371968][ T8285] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.380194][ T8285] device bridge_slave_0 entered promiscuous mode [ 59.389786][ T8285] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.396863][ T8285] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.407599][ T8293] IPVS: ftp: loaded support on port[0] = 21 [ 59.407609][ T8285] device bridge_slave_1 entered promiscuous mode [ 59.425088][ T8280] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.482271][ T8283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.494412][ T8283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.534862][ T8283] team0: Port device team_slave_0 added [ 59.542827][ T8285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.553852][ T8285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.568207][ T8283] team0: Port device team_slave_1 added [ 59.590274][ T8285] team0: Port device team_slave_0 added [ 59.624171][ T8285] team0: Port device team_slave_1 added [ 59.660790][ T8283] device hsr_slave_0 entered promiscuous mode [ 59.699338][ T8283] device hsr_slave_1 entered promiscuous mode [ 59.749908][ T8283] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.811973][ T8285] device hsr_slave_0 entered promiscuous mode [ 59.859381][ T8285] device hsr_slave_1 entered promiscuous mode [ 59.909241][ T8285] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.063915][ T8283] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.112861][ T8283] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.173485][ T8283] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.231106][ T8289] chnl_net:caif_netlink_parms(): no params data found [ 60.249137][ T8293] chnl_net:caif_netlink_parms(): no params data found [ 60.263283][ T8291] chnl_net:caif_netlink_parms(): no params data found [ 60.272079][ T8283] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.334137][ T8285] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.424253][ T8285] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.498940][ T8285] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.559277][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.566541][ T8289] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.574936][ T8289] device bridge_slave_0 entered promiscuous mode [ 60.593471][ T8285] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.661322][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.668618][ T8289] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.678755][ T8289] device bridge_slave_1 entered promiscuous mode [ 60.698751][ T8293] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.705938][ T8293] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.713873][ T8293] device bridge_slave_0 entered promiscuous mode [ 60.727172][ T8293] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.734280][ T8293] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.742786][ T8293] device bridge_slave_1 entered promiscuous mode [ 60.754212][ T8291] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.761634][ T8291] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.769533][ T8291] device bridge_slave_0 entered promiscuous mode [ 60.777501][ T8291] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.784628][ T8291] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.792511][ T8291] device bridge_slave_1 entered promiscuous mode [ 60.824054][ T8293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.835829][ T8289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.854960][ T8289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.882122][ T8291] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.893307][ T8293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.917689][ T8293] team0: Port device team_slave_0 added [ 60.925850][ T8289] team0: Port device team_slave_0 added [ 60.933341][ T8291] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.961279][ T8291] team0: Port device team_slave_0 added [ 60.968262][ T8293] team0: Port device team_slave_1 added [ 60.975581][ T8289] team0: Port device team_slave_1 added [ 60.986713][ T8280] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.998178][ T8291] team0: Port device team_slave_1 added [ 61.025981][ T8285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.081509][ T8289] device hsr_slave_0 entered promiscuous mode [ 61.119465][ T8289] device hsr_slave_1 entered promiscuous mode [ 61.159227][ T8289] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.185582][ T8285] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.251664][ T8293] device hsr_slave_0 entered promiscuous mode [ 61.289546][ T8293] device hsr_slave_1 entered promiscuous mode [ 61.319300][ T8293] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.335070][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.343264][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.351039][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.359291][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.370903][ T8280] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.421917][ T8291] device hsr_slave_0 entered promiscuous mode [ 61.479728][ T8291] device hsr_slave_1 entered promiscuous mode [ 61.529302][ T8291] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.563303][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.576348][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.585467][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.592737][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.600708][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.609839][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.618111][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.625194][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.634301][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.642272][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.659986][ T8293] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.712025][ T8293] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.764263][ T8293] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.836158][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.845339][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.853822][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.860897][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.868368][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.876957][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.885411][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.894045][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.902354][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.911535][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.919951][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.927010][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.934760][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.943217][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.952123][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.961582][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.980025][ T8293] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.021700][ T8289] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.058905][ T8285] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.070282][ T8285] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.083936][ T8283] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.094925][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.103891][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.113353][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.122414][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.131659][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.140546][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.149050][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.161018][ T8294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.168570][ T8294] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.176884][ T8289] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.221658][ T8289] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.287174][ T8283] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.297563][ T8289] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.340963][ T8280] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.353252][ T8280] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.365156][ T8291] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.400912][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.412279][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.420993][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.430295][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.438751][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.447312][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.456142][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.464551][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.472573][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.481439][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.489845][ T8295] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.496880][ T8295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.505674][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.513390][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.548177][ T8280] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.556348][ T8291] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.610145][ T8285] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.628282][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.637126][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.645796][ T8295] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.652889][ T8295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.660719][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.670212][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.678813][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.686487][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.694110][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.702673][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.711186][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.718589][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.726106][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.734608][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.743027][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.751560][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.761050][ T8295] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.779708][ T8291] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.844005][ T8283] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.857948][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.874657][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.886566][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 167.918949][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 167.925945][ C1] (detected by 1, t=10502 jiffies, g=6329, q=131) [ 167.932437][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953922-4294943419), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 167.945795][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 167.953697][ C1] Call Trace: [ 167.956976][ C1] [ 167.959826][ C1] sched_show_task+0x40f/0x560 [ 167.964619][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 167.969898][ C1] update_process_times+0x12d/0x180 [ 167.975115][ C1] tick_sched_timer+0x263/0x420 [ 167.979955][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.985506][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.990710][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.995652][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.000935][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.006496][ C1] apic_timer_interrupt+0xf/0x20 [ 168.011437][ C1] [ 168.014389][ C1] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 168.020183][ 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 [ 168.039790][ C1] RSP: 0018:ffffc90000d0fc40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.048207][ C1] RAX: 1ffff110152b82d1 RBX: ffff8880a95c1688 RCX: 0000000000000000 [ 168.056172][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002798500 [ 168.064259][ C1] RBP: ffffc90000d0fc80 R08: 000000000003a768 R09: ffffed1011ebd6f7 [ 168.072237][ C1] R10: ffffed1011ebd6f7 R11: 0000000000000000 R12: ffff88809feda020 [ 168.080199][ C1] R13: dffffc0000000000 R14: 1ffff11013fdb404 R15: ffff88808f5eb7a8 [ 168.088182][ C1] ? free_thread_stack+0x168/0x590 [ 168.093285][ C1] put_task_stack+0xa3/0x130 [ 168.097897][ C1] finish_task_switch+0x3f1/0x550 [ 168.102951][ C1] __schedule+0x9a8/0xcc0 [ 168.107287][ C1] schedule+0x181/0x210 [ 168.111442][ C1] schedule_timeout+0x14f/0x240 [ 168.116300][ C1] ? run_local_timers+0x120/0x120 [ 168.121318][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.126103][ C1] kthread+0x332/0x350 [ 168.130161][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.135258][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.139841][ C1] ret_from_fork+0x24/0x30 [ 168.144261][ C1] rcu: rcu_preempt kthread starved for 10524 jiffies! g6329 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.155344][ C1] rcu: RCU grace-period kthread stack dump: [ 168.161223][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 168.169332][ C1] Call Trace: [ 168.172632][ C1] [ 168.175503][ C1] sched_show_task+0x40f/0x560 [ 168.180260][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 168.186412][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 168.191696][ C1] update_process_times+0x12d/0x180 [ 168.196889][ C1] tick_sched_timer+0x263/0x420 [ 168.201733][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.207267][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.212469][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.217410][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.222686][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.228237][ C1] apic_timer_interrupt+0xf/0x20 [ 168.233176][ C1] [ 168.236127][ C1] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 168.242033][ 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 [ 168.261641][ C1] RSP: 0018:ffffc90000d0fc40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.270049][ C1] RAX: 1ffff110152b82d1 RBX: ffff8880a95c1688 RCX: 0000000000000000 [ 168.278015][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002798500 [ 168.286065][ C1] RBP: ffffc90000d0fc80 R08: 000000000003a768 R09: ffffed1011ebd6f7 [ 168.294069][ C1] R10: ffffed1011ebd6f7 R11: 0000000000000000 R12: ffff88809feda020 [ 168.302175][ C1] R13: dffffc0000000000 R14: 1ffff11013fdb404 R15: ffff88808f5eb7a8 [ 168.310179][ C1] ? free_thread_stack+0x168/0x590 [ 168.315492][ C1] put_task_stack+0xa3/0x130 [ 168.320108][ C1] finish_task_switch+0x3f1/0x550 [ 168.325156][ C1] __schedule+0x9a8/0xcc0 [ 168.329593][ C1] schedule+0x181/0x210 [ 168.333776][ C1] schedule_timeout+0x14f/0x240 [ 168.338623][ C1] ? run_local_timers+0x120/0x120 [ 168.343645][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.348408][ C1] kthread+0x332/0x350 [ 168.352482][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.357604][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.362205][ C1] ret_from_fork+0x24/0x30