Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 40.686045][ T7213] as (7213) used greatest stack depth: 23072 bytes left [ 41.170018][ T27] audit: type=1400 audit(1586823851.779:8): avc: denied { execmem } for pid=7223 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.182116][ T7224] IPVS: ftp: loaded support on port[0] = 21 [ 41.488342][ T985] tipc: TX() has been purged, node left! [ 41.813627][ T7250] can: request_module (can-proto-0) failed. [ 44.758001][ T7250] can: request_module (can-proto-0) failed. [ 44.769120][ T7250] can: request_module (can-proto-0) failed. [ 44.806979][ T27] audit: type=1400 audit(1586823855.411:9): avc: denied { create } for pid=7202 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.50' (ECDSA) to the list of known hosts. 2020/04/14 00:24:22 parsed 1 programs 2020/04/14 00:24:23 executed programs: 0 [ 53.295516][ T27] audit: type=1400 audit(1586823863.905:10): avc: denied { execmem } for pid=7347 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.367843][ T7352] IPVS: ftp: loaded support on port[0] = 21 [ 53.381376][ T7353] IPVS: ftp: loaded support on port[0] = 21 [ 53.385640][ T7357] IPVS: ftp: loaded support on port[0] = 21 [ 53.393239][ T7351] IPVS: ftp: loaded support on port[0] = 21 [ 53.397658][ T7354] IPVS: ftp: loaded support on port[0] = 21 [ 53.484176][ T7358] IPVS: ftp: loaded support on port[0] = 21 [ 53.749152][ T7351] chnl_net:caif_netlink_parms(): no params data found [ 53.761765][ T7353] chnl_net:caif_netlink_parms(): no params data found [ 53.792098][ T7352] chnl_net:caif_netlink_parms(): no params data found [ 53.875615][ T7358] chnl_net:caif_netlink_parms(): no params data found [ 53.901920][ T7354] chnl_net:caif_netlink_parms(): no params data found [ 53.933819][ T7351] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.941112][ T7351] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.951564][ T7351] device bridge_slave_0 entered promiscuous mode [ 54.002375][ T7351] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.009471][ T7351] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.018082][ T7351] device bridge_slave_1 entered promiscuous mode [ 54.029622][ T7357] chnl_net:caif_netlink_parms(): no params data found [ 54.055923][ T7353] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.064049][ T7353] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.071656][ T7353] device bridge_slave_0 entered promiscuous mode [ 54.108483][ T7352] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.119816][ T7352] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.129632][ T7352] device bridge_slave_0 entered promiscuous mode [ 54.138147][ T7358] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.148325][ T7358] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.156537][ T7358] device bridge_slave_0 entered promiscuous mode [ 54.165148][ T7358] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.172323][ T7358] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.180052][ T7358] device bridge_slave_1 entered promiscuous mode [ 54.187392][ T7353] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.194975][ T7353] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.203065][ T7353] device bridge_slave_1 entered promiscuous mode [ 54.217864][ T7354] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.225001][ T7354] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.232833][ T7354] device bridge_slave_0 entered promiscuous mode [ 54.240108][ T7352] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.248088][ T7352] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.256647][ T7352] device bridge_slave_1 entered promiscuous mode [ 54.278798][ T7351] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.297296][ T7354] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.305633][ T7354] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.318464][ T7354] device bridge_slave_1 entered promiscuous mode [ 54.353298][ T7354] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.364922][ T7351] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.387732][ T7358] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.399801][ T7353] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.413517][ T7352] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.424668][ T7352] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.436843][ T7354] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.459616][ T7351] team0: Port device team_slave_0 added [ 54.468739][ T7358] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.479159][ T7353] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.513390][ T7351] team0: Port device team_slave_1 added [ 54.520707][ T7352] team0: Port device team_slave_0 added [ 54.539557][ T7354] team0: Port device team_slave_0 added [ 54.553706][ T7354] team0: Port device team_slave_1 added [ 54.559627][ T7357] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.566757][ T7357] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.578638][ T7357] device bridge_slave_0 entered promiscuous mode [ 54.587742][ T7352] team0: Port device team_slave_1 added [ 54.617987][ T7357] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.629113][ T7357] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.637284][ T7357] device bridge_slave_1 entered promiscuous mode [ 54.647570][ T7358] team0: Port device team_slave_0 added [ 54.654554][ T7351] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.661585][ T7351] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.688298][ T7351] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.701901][ T7353] team0: Port device team_slave_0 added [ 54.710268][ T7353] team0: Port device team_slave_1 added [ 54.726451][ T7352] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.734268][ T7352] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.761151][ T7352] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.778821][ T7352] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.787472][ T7352] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.815698][ T7352] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.828779][ T7358] team0: Port device team_slave_1 added [ 54.835736][ T7351] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.843891][ T7351] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.870414][ T7351] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.887355][ T7354] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.894671][ T7354] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.922746][ T7354] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.946286][ T7354] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.957959][ T7354] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.984453][ T7354] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.025534][ T7357] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.085294][ T7354] device hsr_slave_0 entered promiscuous mode [ 55.152420][ T7354] device hsr_slave_1 entered promiscuous mode [ 55.225634][ T7353] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.235528][ T7353] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.262262][ T7353] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.344127][ T7351] device hsr_slave_0 entered promiscuous mode [ 55.382417][ T7351] device hsr_slave_1 entered promiscuous mode [ 55.422075][ T7351] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.429913][ T7351] Cannot create hsr debugfs directory [ 55.445242][ T7357] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.458418][ T7358] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.466400][ T7358] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.496191][ T7358] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.511630][ T7358] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.519013][ T7358] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.545783][ T7358] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.564138][ T7353] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.571125][ T7353] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.602697][ T7353] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.684334][ T7352] device hsr_slave_0 entered promiscuous mode [ 55.722367][ T7352] device hsr_slave_1 entered promiscuous mode [ 55.762948][ T7352] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.770652][ T7352] Cannot create hsr debugfs directory [ 55.823922][ T7353] device hsr_slave_0 entered promiscuous mode [ 55.882467][ T7353] device hsr_slave_1 entered promiscuous mode [ 55.921902][ T7353] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.929506][ T7353] Cannot create hsr debugfs directory [ 56.006845][ T7358] device hsr_slave_0 entered promiscuous mode [ 56.062409][ T7358] device hsr_slave_1 entered promiscuous mode [ 56.102044][ T7358] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.109716][ T7358] Cannot create hsr debugfs directory [ 56.118009][ T7357] team0: Port device team_slave_0 added [ 56.153769][ T7357] team0: Port device team_slave_1 added [ 56.251226][ T7357] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.262077][ T7357] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.289888][ T7357] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.305117][ T7357] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.312664][ T7357] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.341461][ T7357] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.506120][ T7357] device hsr_slave_0 entered promiscuous mode [ 56.572677][ T7357] device hsr_slave_1 entered promiscuous mode [ 56.611933][ T7357] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.620288][ T7357] Cannot create hsr debugfs directory [ 56.695833][ T7354] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.777428][ T7354] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.828026][ T7354] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.875510][ T7354] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.975879][ T7351] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 57.036615][ T7351] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 57.110832][ T7351] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 57.180180][ T7351] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 57.224282][ T7353] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.252996][ T7353] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.308963][ T7353] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.372486][ T7353] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.475889][ T7358] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.515371][ T7358] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.557160][ T7358] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.604441][ T7358] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.675228][ T7352] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.721331][ T7352] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.773335][ T7352] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.849393][ T7354] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.856565][ T7352] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.928831][ T7357] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.979574][ T7351] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.988131][ T7357] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.043691][ T7357] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.108073][ T7354] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.136269][ T7351] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.143411][ T7357] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.173497][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.185685][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.194040][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.203248][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.211984][ T3244] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.219172][ T3244] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.227653][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.236737][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.246166][ T3244] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.253323][ T3244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.260780][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.268722][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.277943][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.294412][ T7353] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.316782][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.325431][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.334539][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.343434][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.351964][ T3138] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.359013][ T3138] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.399845][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.408773][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.417797][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.426921][ T3244] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.434076][ T3244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.443768][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.452542][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.461030][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.469884][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.478293][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.487295][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.502757][ T7353] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.533184][ T7352] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.540001][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.550722][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.558715][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.567224][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.575321][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.585124][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.594190][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.603071][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.620819][ T7354] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.632420][ T7354] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.665903][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.680094][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.693442][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.703974][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.714501][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.723634][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.737068][ T7351] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.753471][ T7351] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.779227][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.787953][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.796547][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.807559][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.816791][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.826042][ T3139] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.833173][ T3139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.841801][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.863114][ T7358] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.876041][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.886397][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.896669][ T2680] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.903821][ T2680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.918654][ T7357] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.936480][ T7352] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.947458][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.955393][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.967985][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.977547][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.989206][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.997105][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.008661][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.022524][ T7354] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.031367][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.048843][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.064863][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.076650][ T7358] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.097361][ T7351] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.105770][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.115797][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.130686][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.140807][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.150339][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.167393][ T7357] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.187914][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.197342][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.213156][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.223022][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.231772][ T2680] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.238838][ T2680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.246990][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.255787][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.264402][ T2680] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.272156][ T2680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.279663][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.289033][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.297653][ T2680] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.304895][ T2680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.313137][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.322062][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.330364][ T2680] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.337466][ T2680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.345784][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.354473][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.363247][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.380575][ T7353] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.392735][ T7353] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.419332][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.428691][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.438047][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.450325][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.459567][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.468766][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.477779][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.484916][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.493318][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.502603][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.511406][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.519933][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.528568][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.535815][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.545138][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.554266][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.600502][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.610112][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.623936][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.635410][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.646340][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.655157][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.667458][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.677271][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.686158][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.695086][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.703992][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.713052][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.721433][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.729826][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.738464][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.747738][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.756336][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.777621][ T7353] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.792869][ T7357] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.802144][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.816014][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.824748][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.845533][ T7354] device veth0_vlan entered promiscuous mode [ 59.862163][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.870530][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.884032][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.892890][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.902201][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.910402][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.919183][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.928571][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.936900][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.953736][ T7352] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.969202][ T7354] device veth1_vlan entered promiscuous mode [ 59.980446][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.989456][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.998177][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.007530][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.016690][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.025416][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.076977][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.086789][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.099043][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.108180][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.117459][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.126776][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.134538][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.145438][ T7357] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.171030][ T7354] device veth0_macvtap entered promiscuous mode [ 60.187777][ T7358] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.199534][ T7358] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.216290][ T7351] device veth0_vlan entered promiscuous mode [ 60.243155][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.254337][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.263413][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.272529][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.281366][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.288839][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.297449][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.306434][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.315903][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.324828][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.333737][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.342477][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.353034][ T7354] device veth1_macvtap entered promiscuous mode [ 60.374724][ T7353] device veth0_vlan entered promiscuous mode [ 60.384995][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.396666][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.405845][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.415347][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.423981][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.432522][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.442492][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.451045][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.461887][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.480455][ T7354] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.489993][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.503347][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.514316][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.524872][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.537799][ T7352] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.548501][ T7353] device veth1_vlan entered promiscuous mode [ 60.558998][ T7354] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.583547][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.625833][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.639582][ T7358] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.662274][ T7351] device veth1_vlan entered promiscuous mode [ 60.679441][ T27] audit: type=1804 audit(1586823871.287:11): pid=8560 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/0/bus" dev="sda1" ino=15748 res=1 [ 60.680640][ C1] hrtimer: interrupt took 54900 ns [ 61.410662][ T27] audit: type=1804 audit(1586823872.017:12): pid=8563 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/0/bus" dev="sda1" ino=15748 res=1 [ 62.570753][ C0] sched: RT throttling activated [ 62.579013][ T27] audit: type=1804 audit(1586823872.047:13): pid=8563 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/0/bus" dev="sda1" ino=15748 res=1 [ 62.589687][ T7357] device veth0_vlan entered promiscuous mode 2020/04/14 00:24:33 executed programs: 6 [ 62.641357][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.657555][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.682898][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.701816][ T3138] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.737338][ T7353] device veth0_macvtap entered promiscuous mode [ 62.767221][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.776644][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.793170][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.807374][ T27] audit: type=1804 audit(1586823873.417:14): pid=8567 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/1/bus" dev="sda1" ino=15748 res=1 [ 62.809456][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.559090][ T27] audit: type=1804 audit(1586823874.157:15): pid=8569 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/1/bus" dev="sda1" ino=15748 res=1 [ 64.570734][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.588641][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.588848][ T27] audit: type=1804 audit(1586823874.197:16): pid=8569 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/1/bus" dev="sda1" ino=15748 res=1 [ 64.616890][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.641031][ T7357] device veth1_vlan entered promiscuous mode [ 64.713198][ T7353] device veth1_macvtap entered promiscuous mode [ 64.730868][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.740399][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.752751][ T7351] device veth0_macvtap entered promiscuous mode [ 64.768292][ T7358] device veth0_vlan entered promiscuous mode [ 64.789851][ T7352] device veth0_vlan entered promiscuous mode [ 64.820681][ T27] audit: type=1804 audit(1586823875.437:17): pid=8572 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/2/bus" dev="sda1" ino=15748 res=1 [ 65.503881][ T27] audit: type=1804 audit(1586823876.118:18): pid=8575 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/2/bus" dev="sda1" ino=15748 res=1 [ 66.577709][ T7353] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 66.591093][ T7353] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.602489][ T7353] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.605047][ T27] audit: type=1804 audit(1586823876.148:19): pid=8575 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/2/bus" dev="sda1" ino=15748 res=1 [ 66.622324][ T7351] device veth1_macvtap entered promiscuous mode [ 66.658076][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.669183][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.678387][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.687529][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.698374][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.707737][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.716802][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.726355][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.739799][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.747565][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.767329][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.775885][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.813169][ T7353] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 66.828924][ T7353] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.842510][ T7353] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.845246][ T27] audit: type=1804 audit(1586823877.458:20): pid=8580 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/3/bus" dev="sda1" ino=15748 res=1 [ 66.864358][ T7358] device veth1_vlan entered promiscuous mode [ 66.904592][ T7358] device veth0_macvtap entered promiscuous mode [ 66.916356][ T7358] device veth1_macvtap entered promiscuous mode [ 66.955235][ T7358] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 66.973291][ T7358] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 66.988449][ T7358] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 67.007091][ T7358] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 67.027448][ T7358] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.035786][ T7352] device veth1_vlan entered promiscuous mode [ 67.053276][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.071292][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.087318][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.096819][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.113941][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.126849][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.143160][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.154721][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.168307][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.186169][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.548216][ T27] audit: type=1804 audit(1586823878.158:21): pid=8581 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/3/bus" dev="sda1" ino=15748 res=1 [ 68.574392][ T27] audit: type=1804 audit(1586823878.188:22): pid=8581 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/3/bus" dev="sda1" ino=15748 res=1 [ 68.581267][ T7357] device veth0_macvtap entered promiscuous mode [ 69.590474][ T7351] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 69.602844][ T7351] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.615301][ T7351] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 69.626786][ T7351] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 2020/04/14 00:24:40 executed programs: 9 [ 69.641248][ T7351] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 69.663064][ T7351] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.707250][ T27] audit: type=1804 audit(1586823880.318:23): pid=8584 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir257280978/syzkaller.jERgct/0/bus" dev="sda1" ino=15755 res=1 [ 69.761726][ T7351] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.771444][ T7358] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 69.809854][ T7358] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.843288][ T7358] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 69.880273][ T27] audit: type=1804 audit(1586823880.488:24): pid=8588 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir938550819/syzkaller.OMB6Yu/4/bus" dev="sda1" ino=15748 res=1 [ 174.797505][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 174.804811][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7358 [ 174.812343][ C0] (detected by 0, t=10503 jiffies, g=8109, q=260) [ 174.818932][ C0] syz-executor.1 R running task 23568 7358 7356 0x00004000 [ 174.826845][ C0] Call Trace: [ 174.830150][ C0] __schedule+0x8ae/0x19c0 [ 174.834574][ C0] ? __sched_text_start+0x8/0x8 [ 174.839431][ C0] ? vprintk_emit+0x19a/0x560 [ 174.844117][ C0] ? lockdep_hardirqs_on+0x481/0x620 [ 174.849404][ C0] ? console_unlock+0x62e/0xbd0 [ 174.854263][ C0] ? preempt_schedule+0x4d/0x60 [ 174.859136][ C0] preempt_schedule_common+0x1f/0xe0 [ 174.864435][ C0] preempt_schedule+0x4d/0x60 [ 174.869304][ C0] preempt_schedule_thunk+0x16/0x18 [ 174.875279][ C0] vprintk_emit+0x1b4/0x560 [ 174.879879][ C0] vprintk_default+0x1a/0x20 [ 174.885093][ C0] vprintk_func+0x49/0x12c [ 174.889513][ C0] printk+0x9a/0xc0 [ 174.893577][ C0] ? kmsg_dump_rewind_nolock+0xdf/0xdf [ 174.899038][ C0] batadv_check_known_mac_addr.cold.23+0x17/0x30 [ 174.905451][ C0] batadv_hard_if_event+0x218/0x12f0 [ 174.910735][ C0] ? batadv_hardif_remove_interface+0x140/0x140 [ 174.916965][ C0] ? lockdep_rtnl_is_held+0x15/0x20 [ 174.922171][ C0] ? tipc_l2_device_event+0x2a5/0x520 [ 174.927543][ C0] notifier_call_chain+0x8a/0x160 [ 174.932565][ C0] raw_notifier_call_chain+0x11/0x20 [ 174.937843][ C0] call_netdevice_notifiers_info+0x87/0xd0 [ 174.943642][ C0] dev_set_mac_address+0x279/0x3d0 [ 174.948785][ C0] ? netdev_notify_peers+0xc0/0xc0 [ 174.953983][ C0] ? __kmalloc+0x620/0x790 [ 174.958403][ C0] ? __kasan_check_read+0x11/0x20 [ 174.963433][ C0] do_setlink+0x5f6/0x2e30 [ 174.967854][ C0] ? validate_linkmsg+0x660/0x660 [ 174.972872][ C0] ? mark_held_locks+0x130/0x130 [ 174.977813][ C0] ? __kasan_check_read+0x11/0x20 [ 174.982824][ C0] ? mark_lock+0xbf/0x630 [ 174.987144][ C0] ? __kasan_check_read+0x11/0x20 [ 174.992168][ C0] ? memset+0x39/0x40 [ 174.996149][ C0] ? __nla_validate_parse+0xa1/0x1cf0 [ 175.001523][ C0] ? nla_memcpy+0xa0/0xa0 [ 175.005844][ C0] ? mark_held_locks+0x130/0x130 [ 175.010779][ C0] ? __kasan_check_read+0x11/0x20 [ 175.015800][ C0] __rtnl_newlink+0xa7a/0x1480 [ 175.020573][ C0] ? is_bpf_text_address+0x60/0xe0 [ 175.025793][ C0] ? rtnl_link_unregister+0x280/0x280 [ 175.031159][ C0] ? __kasan_check_read+0x11/0x20 [ 175.036195][ C0] ? __kernel_text_address+0xd/0x40 [ 175.041390][ C0] ? unwind_get_return_address+0x61/0xa0 [ 175.047018][ C0] ? profile_setup.cold.14+0xa0/0xa0 [ 175.052299][ C0] ? arch_stack_walk+0x9a/0xf0 [ 175.057081][ C0] ? stack_trace_save+0x82/0xb0 [ 175.061928][ C0] ? stack_trace_consume_entry+0x170/0x170 [ 175.067743][ C0] ? save_stack+0x3f/0x50 [ 175.072059][ C0] ? save_stack+0x21/0x50 [ 175.076375][ C0] ? __kasan_kmalloc.constprop.17+0xc7/0xd0 [ 175.082254][ C0] ? kasan_kmalloc+0x9/0x10 [ 175.086744][ C0] ? kmem_cache_alloc_trace+0x15b/0x780 [ 175.092278][ C0] ? rtnl_newlink+0x48/0x90 [ 175.096776][ C0] ? rtnetlink_rcv_msg+0x34a/0x8d0 [ 175.101877][ C0] ? netlink_rcv_skb+0x13c/0x380 [ 175.106841][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 175.112378][ C0] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 175.118440][ C0] ? __kasan_kmalloc.constprop.17+0xc7/0xd0 [ 175.124332][ C0] ? kmem_cache_alloc_trace+0x39b/0x780 [ 175.129876][ C0] rtnl_newlink+0x61/0x90 [ 175.134199][ C0] rtnetlink_rcv_msg+0x34a/0x8d0 [ 175.139131][ C0] ? rtnetlink_put_metrics+0x4a0/0x4a0 [ 175.144601][ C0] ? netlink_deliver_tap+0x160/0xac0 [ 175.149894][ C0] netlink_rcv_skb+0x13c/0x380 [ 175.154767][ C0] ? rtnetlink_put_metrics+0x4a0/0x4a0 [ 175.160231][ C0] ? netlink_ack+0x9a0/0x9a0 [ 175.164820][ C0] ? netlink_deliver_tap+0x178/0xac0 [ 175.170108][ C0] rtnetlink_rcv+0x10/0x20 [ 175.174524][ C0] netlink_unicast+0x474/0x6c0 [ 175.179328][ C0] ? netlink_attachskb+0x740/0x740 [ 175.184447][ C0] ? _copy_from_iter_full+0x18a/0x780 [ 175.189834][ C0] netlink_sendmsg+0x7ab/0xd50 [ 175.194608][ C0] ? netlink_unicast+0x6c0/0x6c0 [ 175.199553][ C0] ? tomoyo_socket_sendmsg+0x9/0x10 [ 175.204750][ C0] ? netlink_unicast+0x6c0/0x6c0 [ 175.209823][ C0] sock_sendmsg+0xb5/0xf0 [ 175.214155][ C0] __sys_sendto+0x1f8/0x2e0 [ 175.218657][ C0] ? __ia32_sys_getpeername+0xb0/0xb0 [ 175.224023][ C0] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 175.229834][ C0] ? call_rcu+0x380/0x7f0 [ 175.234153][ C0] ? __fput+0x3d9/0x790 [ 175.238303][ C0] ? lockdep_hardirqs_on+0x481/0x620 [ 175.243613][ C0] ? percpu_counter_add_batch+0xed/0x140 [ 175.249254][ C0] ? __blkcg_punt_bio_submit+0x1c0/0x1c0 [ 175.254992][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.260442][ C0] ? do_syscall_64+0x21/0x630 [ 175.265113][ C0] __x64_sys_sendto+0xdc/0x1a0 [ 175.269897][ C0] do_syscall_64+0xca/0x630 [ 175.274401][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 175.280283][ C0] RIP: 0033:0x415043 [ 175.284172][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 34 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 175.303769][ C0] RSP: 002b:00007ffeb539e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 175.314344][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000415043 [ 175.322311][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 175.330273][ C0] RBP: 0000000000000000 R08: 00007ffeb539e0d0 R09: 000000000000000c [ 175.338383][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 175.346345][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 [ 175.354599][ C0] rcu: rcu_preempt kthread starved for 10545 jiffies! g8109 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.365929][ C0] rcu: RCU grace-period kthread stack dump: [ 175.372026][ C0] rcu_preempt R running task 29096 10 2 0x80004000 [ 175.379932][ C0] Call Trace: [ 175.383668][ C0] __schedule+0x8ae/0x19c0 [ 175.388085][ C0] ? __sched_text_start+0x8/0x8 [ 175.392925][ C0] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 175.398730][ C0] ? lockdep_hardirqs_on+0x481/0x620 [ 175.404001][ C0] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 175.409801][ C0] schedule+0xc3/0x2b0 [ 175.413880][ C0] schedule_timeout+0x2bd/0x710 [ 175.418722][ C0] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 175.424522][ C0] ? usleep_range+0x130/0x130 [ 175.431794][ C0] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 175.437595][ C0] ? prepare_to_swait_event+0x130/0x390 [ 175.443141][ C0] ? __next_timer_interrupt+0x100/0x100 [ 175.448686][ C0] rcu_gp_kthread+0x9da/0x1a40 [ 175.453436][ C0] ? do_raw_spin_lock+0x132/0x2e0 [ 175.458888][ C0] ? rcu_barrier+0x4c0/0x4c0 [ 175.463468][ C0] ? __kthread_parkme+0x37/0x1c0 [ 175.468397][ C0] ? __kthread_parkme+0xb8/0x1c0 [ 175.473324][ C0] ? schedule+0xe3/0x2b0 [ 175.477561][ C0] kthread+0x354/0x420 [ 175.481621][ C0] ? rcu_barrier+0x4c0/0x4c0 [ 175.486197][ C0] ? kthread_mod_delayed_work+0x190/0x190 [ 175.491905][ C0] ret_from_fork+0x24/0x30