[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.709007][ T27] audit: type=1800 audit(1578475821.818:25): pid=8506 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.728068][ T27] audit: type=1800 audit(1578475821.828:26): pid=8506 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.773108][ T27] audit: type=1800 audit(1578475821.828:27): pid=8506 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 '10.128.0.91' (ECDSA) to the list of known hosts. 2020/01/08 09:30:32 fuzzer started 2020/01/08 09:30:33 dialing manager at 10.128.0.26:35703 2020/01/08 09:30:33 syscalls: 2824 2020/01/08 09:30:33 code coverage: enabled 2020/01/08 09:30:33 comparison tracing: enabled 2020/01/08 09:30:33 extra coverage: enabled 2020/01/08 09:30:33 setuid sandbox: enabled 2020/01/08 09:30:33 namespace sandbox: enabled 2020/01/08 09:30:33 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:30:33 fault injection: enabled 2020/01/08 09:30:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:30:33 net packet injection: enabled 2020/01/08 09:30:33 net device setup: enabled 2020/01/08 09:30:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:30:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:30:34 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180)='TIPCv2\x00') sendmsg$TIPC_NL_BEARER_ENABLE(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x58, 0x1, [@TIPC_NLA_BEARER_NAME={0x10, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x44, 0x4, {{0x20, 0x1, @in6={0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0xfc000000]}}}, {0x20, 0x2, @in6={0xa, 0x0, 0x0, @mcast2}}}}]}]}, 0x6c}}, 0x0) 09:30:34 executing program 1: perf_event_open(&(0x7f0000000280)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={0x0, 0x4}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={0x0, 0x4}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={0x0, 0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syzkaller login: [ 69.800020][ T8674] IPVS: ftp: loaded support on port[0] = 21 09:30:35 executing program 2: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = perf_event_open(&(0x7f000025c000)={0x7, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) close(r1) [ 69.929417][ T8676] IPVS: ftp: loaded support on port[0] = 21 [ 69.963814][ T8674] chnl_net:caif_netlink_parms(): no params data found [ 70.059410][ T8674] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.068268][ T8674] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.076685][ T8674] device bridge_slave_0 entered promiscuous mode [ 70.127787][ T8674] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.142601][ T8674] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.158695][ T8674] device bridge_slave_1 entered promiscuous mode 09:30:35 executing program 3: clock_nanosleep(0xfffffffffffffff2, 0x1, &(0x7f0000000040)={0x0, 0x1c9c380}, 0x0) [ 70.209058][ T8680] IPVS: ftp: loaded support on port[0] = 21 [ 70.221160][ T8674] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.240584][ T8674] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.277777][ T8676] chnl_net:caif_netlink_parms(): no params data found [ 70.319426][ T8674] team0: Port device team_slave_0 added [ 70.352898][ T8674] team0: Port device team_slave_1 added [ 70.387995][ T8676] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.402427][ T8676] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.422400][ T8676] device bridge_slave_0 entered promiscuous mode 09:30:35 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) bind$netlink(r0, &(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000001}, 0xc) [ 70.495687][ T8674] device hsr_slave_0 entered promiscuous mode [ 70.551711][ T8674] device hsr_slave_1 entered promiscuous mode [ 70.591707][ T8676] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.598791][ T8676] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.609490][ T8676] device bridge_slave_1 entered promiscuous mode [ 70.628234][ T8682] IPVS: ftp: loaded support on port[0] = 21 [ 70.649268][ T8684] IPVS: ftp: loaded support on port[0] = 21 09:30:35 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x19, 0x0, &(0x7f00000000c0)) [ 70.728656][ T8676] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.784504][ T8676] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.827893][ T8680] chnl_net:caif_netlink_parms(): no params data found [ 70.874718][ T8676] team0: Port device team_slave_0 added [ 70.882976][ T8676] team0: Port device team_slave_1 added [ 70.920296][ T8687] IPVS: ftp: loaded support on port[0] = 21 [ 70.965073][ T8674] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.019314][ T8680] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.027901][ T8680] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.036005][ T8680] device bridge_slave_0 entered promiscuous mode [ 71.083774][ T8676] device hsr_slave_0 entered promiscuous mode [ 71.131735][ T8676] device hsr_slave_1 entered promiscuous mode [ 71.191585][ T8676] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.199360][ T8676] Cannot create hsr debugfs directory [ 71.220639][ T8674] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.286426][ T8674] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.333687][ T8680] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.340831][ T8680] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.348611][ T8680] device bridge_slave_1 entered promiscuous mode [ 71.377628][ T8682] chnl_net:caif_netlink_parms(): no params data found [ 71.400730][ T8674] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.455238][ T8680] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.494603][ T8680] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.508392][ T8684] chnl_net:caif_netlink_parms(): no params data found [ 71.548740][ T8680] team0: Port device team_slave_0 added [ 71.564329][ T8682] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.572919][ T8682] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.580437][ T8682] device bridge_slave_0 entered promiscuous mode [ 71.590032][ T8680] team0: Port device team_slave_1 added [ 71.609153][ T8682] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.616480][ T8682] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.624141][ T8682] device bridge_slave_1 entered promiscuous mode [ 71.645309][ T8682] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.666829][ T8682] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.735163][ T8680] device hsr_slave_0 entered promiscuous mode [ 71.791743][ T8680] device hsr_slave_1 entered promiscuous mode [ 71.841541][ T8680] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.849158][ T8680] Cannot create hsr debugfs directory [ 71.893538][ T8684] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.900614][ T8684] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.908811][ T8684] device bridge_slave_0 entered promiscuous mode [ 71.920809][ T8684] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.927897][ T8684] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.935770][ T8684] device bridge_slave_1 entered promiscuous mode [ 71.963002][ T8684] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.976517][ T8682] team0: Port device team_slave_0 added [ 71.984277][ T8682] team0: Port device team_slave_1 added [ 72.020855][ T8684] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.094524][ T8682] device hsr_slave_0 entered promiscuous mode [ 72.181722][ T8682] device hsr_slave_1 entered promiscuous mode [ 72.241508][ T8682] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.249098][ T8682] Cannot create hsr debugfs directory [ 72.263496][ T8676] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.318126][ T8676] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.373767][ T8676] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.436461][ T8684] team0: Port device team_slave_0 added [ 72.444595][ T8684] team0: Port device team_slave_1 added [ 72.465620][ T8676] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.548274][ T8687] chnl_net:caif_netlink_parms(): no params data found [ 72.613785][ T8684] device hsr_slave_0 entered promiscuous mode [ 72.662457][ T8684] device hsr_slave_1 entered promiscuous mode [ 72.701496][ T8684] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.709167][ T8684] Cannot create hsr debugfs directory [ 72.753241][ T8687] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.760382][ T8687] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.770428][ T8687] device bridge_slave_0 entered promiscuous mode [ 72.778656][ T8687] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.785856][ T8687] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.793552][ T8687] device bridge_slave_1 entered promiscuous mode [ 72.876165][ T8687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.888356][ T8687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.897795][ T8682] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.950645][ T8674] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.972021][ T8682] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.034642][ T8682] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.106593][ T8687] team0: Port device team_slave_0 added [ 73.119945][ T8680] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.153840][ T8682] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.194077][ T8687] team0: Port device team_slave_1 added [ 73.204549][ T8680] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.257496][ T8680] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.316244][ T8680] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.388129][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.396285][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.405908][ T8674] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.457881][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.466690][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.475822][ T2847] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.483034][ T2847] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.491684][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.543397][ T8687] device hsr_slave_0 entered promiscuous mode [ 73.591868][ T8687] device hsr_slave_1 entered promiscuous mode [ 73.651705][ T8687] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.659318][ T8687] Cannot create hsr debugfs directory [ 73.665492][ T8684] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.750700][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.759648][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.768372][ T2880] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.775501][ T2880] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.783988][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.803882][ T8684] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.855661][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.864394][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.874801][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.883243][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.892160][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.900671][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.915184][ T8684] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.973949][ T8684] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.028019][ T8674] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.040341][ T8674] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.055446][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.064648][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.073488][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.081876][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.090122][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.102994][ T8676] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.165269][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.173136][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.180656][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.188879][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.200009][ T8674] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.217964][ T8676] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.234264][ T8680] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.255168][ T8682] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.295051][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.304327][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.313342][ T2768] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.320458][ T2768] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.328174][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.337211][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.345781][ T2768] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.352912][ T2768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.360730][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.376221][ T8687] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.418511][ T8687] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.464279][ T8687] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.515572][ T8687] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.595787][ T8682] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.604912][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.615962][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.623752][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.632525][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.640977][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.664113][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.675541][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.683928][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.692418][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.700876][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.708914][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.727684][ T8680] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.751029][ T8684] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.762248][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.774631][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.783401][ T2847] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.790431][ T2847] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.798623][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.807288][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.815698][ T2847] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.822790][ T2847] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.830474][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.839555][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.848699][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.857711][ T8674] device veth0_vlan entered promiscuous mode [ 74.871447][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.879965][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.889087][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.897967][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.928724][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.937457][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.948127][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.956702][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.965711][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.974337][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.983137][ T2773] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.990181][ T2773] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.997764][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.006990][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.015364][ T2773] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.022449][ T2773] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.029939][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.038558][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.046962][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.057216][ T8674] device veth1_vlan entered promiscuous mode [ 75.073981][ T8684] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.089848][ T8682] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.101300][ T8682] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.114825][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.126500][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.134366][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.142461][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.150864][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.158787][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.167467][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.176439][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.185059][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.193571][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.201962][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.210121][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.218439][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.226678][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.236696][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.245365][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.261923][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.270718][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.279413][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.288459][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.297055][ T2774] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.304601][ T2774] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.312793][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.321007][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.329263][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.337846][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.346293][ T2774] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.353382][ T2774] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.361745][ T2774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.383421][ T8676] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.395039][ T8676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.415227][ T8680] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.438602][ T8680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.446962][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.458569][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.467647][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.476282][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.484660][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.492369][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.500895][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.513035][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.521516][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.535025][ T8682] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.586314][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 180.601369][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 180.608139][ C0] rcu: 0-...!: (10499 ticks this GP) idle=686/1/0x4000000000000002 softirq=14872/14875 fqs=42 [ 180.618725][ C0] (t=10501 jiffies g=6705 q=71) [ 180.623664][ C0] rcu: rcu_preempt kthread starved for 10418 jiffies! g6705 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 180.634747][ C0] rcu: RCU grace-period kthread stack dump: [ 180.640858][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 180.649190][ C0] Call Trace: [ 180.652502][ C0] __schedule+0x9a0/0xcc0 [ 180.656853][ C0] schedule+0x181/0x210 [ 180.661003][ C0] schedule_timeout+0x14f/0x240 [ 180.665851][ C0] ? run_local_timers+0x120/0x120 [ 180.670873][ C0] rcu_gp_kthread+0xed8/0x1770 [ 180.675640][ C0] kthread+0x332/0x350 [ 180.679713][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 180.684817][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.689398][ C0] ret_from_fork+0x24/0x30 [ 180.693819][ C0] NMI backtrace for cpu 0 [ 180.698140][ C0] CPU: 0 PID: 2773 Comm: kworker/0:37 Not tainted 5.5.0-rc5-syzkaller #0 [ 180.706530][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.716591][ C0] Workqueue: events linkwatch_event [ 180.721793][ C0] Call Trace: [ 180.725070][ C0] [ 180.727925][ C0] dump_stack+0x1fb/0x318 [ 180.732258][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 180.737105][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 180.743278][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 180.749343][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 180.755321][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 180.761205][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 180.766310][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 180.771500][ C0] ? trace_hardirqs_off+0x74/0x80 [ 180.776517][ C0] update_process_times+0x12d/0x180 [ 180.781707][ C0] tick_sched_timer+0x263/0x420 [ 180.786546][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.792098][ C0] __hrtimer_run_queues+0x403/0x840 [ 180.797320][ C0] hrtimer_interrupt+0x38c/0xda0 [ 180.802274][ C0] ? debug_smp_processor_id+0x9/0x20 [ 180.807558][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 180.813100][ C0] apic_timer_interrupt+0xf/0x20 [ 180.818046][ C0] [ 180.820982][ C0] RIP: 0010:__memcg_kmem_uncharge+0x134/0x1a0 [ 180.827385][ C0] Code: 48 c1 e8 03 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 [ 180.846984][ C0] RSP: 0018:ffffc90007ecf6e0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 180.855401][ C0] RAX: 0000000000000001 RBX: ffffea000256da00 RCX: 0000000000000000 [ 180.863364][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000256da00 [ 180.871323][ C0] RBP: ffffc90007ecf6f0 R08: 000000000003a728 R09: fffffbfff124248a [ 180.879286][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808f6275a0 [ 180.887245][ C0] R13: dffffc0000000000 R14: ffffea000256da38 R15: 0000000000000000 [ 180.895230][ C0] free_thread_stack+0x12e/0x590 [ 180.900177][ C0] put_task_stack+0xa3/0x130 [ 180.904757][ C0] finish_task_switch+0x3f1/0x550 [ 180.909778][ C0] __schedule+0x9a8/0xcc0 [ 180.914123][ C0] ? ___preempt_schedule+0x16/0x18 [ 180.919375][ C0] preempt_schedule+0xdb/0x120 [ 180.924140][ C0] ___preempt_schedule+0x16/0x18 [ 180.929074][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 180.933741][ C0] ? vprintk_emit+0x368/0x3a0 [ 180.938408][ C0] vprintk_emit+0x36d/0x3a0 [ 180.942905][ C0] vprintk_default+0x28/0x30 [ 180.947661][ C0] vprintk_func+0x158/0x170 [ 180.952154][ C0] printk+0x62/0x8d [ 180.955977][ C0] ? addrconf_notify+0xd37/0x3c90 [ 180.961161][ C0] ? addrconf_notify+0x779/0x3c90 [ 180.966174][ C0] addrconf_notify+0x2c8d/0x3c90 [ 180.971104][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 180.976376][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 180.981740][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 180.987272][ C0] ? trace_hardirqs_on+0x74/0x80 [ 180.992194][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 180.997569][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 181.003098][ C0] ? tls_dev_event+0x619/0xc00 [ 181.007849][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 181.013381][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 181.018573][ C0] raw_notifier_call_chain+0xec/0x190 [ 181.023940][ C0] netdev_state_change+0x147/0x1f0 [ 181.029045][ C0] linkwatch_do_dev+0x10e/0x160 [ 181.033885][ C0] __linkwatch_run_queue+0x446/0x730 [ 181.039168][ C0] linkwatch_event+0x4c/0x60 [ 181.043749][ C0] process_one_work+0x7ef/0x10d0 [ 181.048694][ C0] worker_thread+0xc01/0x1630 [ 181.053382][ C0] kthread+0x332/0x350 [ 181.057464][ C0] ? rcu_lock_release+0x30/0x30 [ 181.062314][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.066905][ C0] ret_from_fork+0x24/0x30