Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 29.515070][ T27] audit: type=1400 audit(1607357666.203:8): avc: denied { execmem } for pid=5992 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 29.539985][ T5994] IPVS: ftp: loaded support on port[0] = 21 [ 29.990773][ T5980] can: request_module (can-proto-0) failed. [ 31.297075][ T5980] can: request_module (can-proto-0) failed. [ 31.305222][ T5980] can: request_module (can-proto-0) failed. [ 31.325273][ T27] audit: type=1400 audit(1607357668.014:9): avc: denied { create } for pid=5977 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 '10.128.10.32' (ECDSA) to the list of known hosts. 2020/12/07 16:14:34 parsed 1 programs 2020/12/07 16:14:34 executed programs: 0 [ 37.903738][ T27] audit: type=1400 audit(1607357674.596:10): avc: denied { execmem } for pid=6113 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 37.942932][ T6116] IPVS: ftp: loaded support on port[0] = 21 [ 37.963666][ T6118] IPVS: ftp: loaded support on port[0] = 21 [ 37.966288][ T6125] IPVS: ftp: loaded support on port[0] = 21 [ 37.978134][ T6132] IPVS: ftp: loaded support on port[0] = 21 [ 37.993216][ T6128] IPVS: ftp: loaded support on port[0] = 21 [ 38.002700][ T6122] IPVS: ftp: loaded support on port[0] = 21 [ 38.042513][ T6116] chnl_net:caif_netlink_parms(): no params data found [ 38.095693][ T6125] chnl_net:caif_netlink_parms(): no params data found [ 38.113972][ T6132] chnl_net:caif_netlink_parms(): no params data found [ 38.145422][ T6118] chnl_net:caif_netlink_parms(): no params data found [ 38.178810][ T6116] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.186688][ T6116] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.196015][ T6116] device bridge_slave_0 entered promiscuous mode [ 38.204776][ T6116] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.212029][ T6116] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.219324][ T6116] device bridge_slave_1 entered promiscuous mode [ 38.244094][ T6116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.256143][ T6122] chnl_net:caif_netlink_parms(): no params data found [ 38.267846][ T6125] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.275157][ T6125] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.282641][ T6125] device bridge_slave_0 entered promiscuous mode [ 38.294274][ T6116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.306832][ T6132] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.314304][ T6132] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.322238][ T6132] device bridge_slave_0 entered promiscuous mode [ 38.330355][ T6125] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.337781][ T6125] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.345628][ T6125] device bridge_slave_1 entered promiscuous mode [ 38.356599][ T6118] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.364728][ T6118] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.372717][ T6118] device bridge_slave_0 entered promiscuous mode [ 38.380297][ T6118] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.388684][ T6118] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.396590][ T6118] device bridge_slave_1 entered promiscuous mode [ 38.412579][ T6116] team0: Port device team_slave_0 added [ 38.418606][ T6132] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.426564][ T6132] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.434423][ T6132] device bridge_slave_1 entered promiscuous mode [ 38.448640][ T6118] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.459707][ T6116] team0: Port device team_slave_1 added [ 38.465910][ T6118] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.477959][ T6125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.488236][ T6125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.499195][ T6132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.509522][ T6132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.527403][ T6118] team0: Port device team_slave_0 added [ 38.541256][ T6116] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.548574][ T6116] 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. [ 38.575503][ T6116] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.588384][ T6116] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.595655][ T6116] 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. [ 38.622553][ T6116] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.634954][ T6118] team0: Port device team_slave_1 added [ 38.647683][ T6132] team0: Port device team_slave_0 added [ 38.653950][ T6122] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.663105][ T6122] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.671085][ T6122] device bridge_slave_0 entered promiscuous mode [ 38.678134][ T6122] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.686749][ T6122] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.695060][ T6122] device bridge_slave_1 entered promiscuous mode [ 38.703147][ T6125] team0: Port device team_slave_0 added [ 38.712576][ T6118] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.719946][ T6118] 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. [ 38.747219][ T6118] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.760608][ T6128] chnl_net:caif_netlink_parms(): no params data found [ 38.768950][ T6132] team0: Port device team_slave_1 added [ 38.810937][ T6116] device hsr_slave_0 entered promiscuous mode [ 38.830081][ T6116] device hsr_slave_1 entered promiscuous mode [ 38.901906][ T6125] team0: Port device team_slave_1 added [ 38.908063][ T6118] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.915623][ T6118] 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. [ 38.942841][ T6118] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.962193][ T6132] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.970579][ T6132] 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. [ 38.999027][ T6132] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.010497][ T6122] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.021591][ T6122] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.036152][ T6122] team0: Port device team_slave_0 added [ 39.044173][ T6132] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.051568][ T6132] 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. [ 39.079099][ T6132] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.091434][ T6122] team0: Port device team_slave_1 added [ 39.118962][ T6128] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.126526][ T6128] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.134447][ T6128] device bridge_slave_0 entered promiscuous mode [ 39.141525][ T6125] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.148608][ T6125] 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. [ 39.175835][ T6125] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.188800][ T6125] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.197380][ T6125] 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. [ 39.224493][ T6125] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.280132][ T6118] device hsr_slave_0 entered promiscuous mode [ 39.329370][ T6118] device hsr_slave_1 entered promiscuous mode [ 39.369355][ T6118] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.377207][ T6118] Cannot create hsr debugfs directory [ 39.388837][ T6128] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.396682][ T6128] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.404764][ T6128] device bridge_slave_1 entered promiscuous mode [ 39.440384][ T6125] device hsr_slave_0 entered promiscuous mode [ 39.479496][ T6125] device hsr_slave_1 entered promiscuous mode [ 39.529262][ T6125] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.537575][ T6125] Cannot create hsr debugfs directory [ 39.543379][ T6122] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.551155][ T6122] 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. [ 39.578353][ T6122] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.595273][ T6122] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.604994][ T6122] 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. [ 39.633063][ T6122] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.670078][ T6132] device hsr_slave_0 entered promiscuous mode [ 39.699418][ T6132] device hsr_slave_1 entered promiscuous mode [ 39.739259][ T6132] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.746826][ T6132] Cannot create hsr debugfs directory [ 39.754956][ T6128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.810006][ T6122] device hsr_slave_0 entered promiscuous mode [ 39.849345][ T6122] device hsr_slave_1 entered promiscuous mode [ 39.899122][ T6122] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.906865][ T6122] Cannot create hsr debugfs directory [ 39.925622][ T6128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.945596][ T6128] team0: Port device team_slave_0 added [ 39.953569][ T6128] team0: Port device team_slave_1 added [ 39.968131][ T6128] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.977109][ T6128] 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. [ 40.003676][ T6128] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.038687][ T6128] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.046476][ T6128] 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. [ 40.074315][ T6128] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.114371][ T6116] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 40.230133][ T6128] device hsr_slave_0 entered promiscuous mode [ 40.269208][ T6128] device hsr_slave_1 entered promiscuous mode [ 40.309002][ T6128] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.317152][ T6128] Cannot create hsr debugfs directory [ 40.328954][ T6116] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 40.379720][ T6116] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 40.431008][ T6116] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 40.498939][ T6118] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 40.544291][ T6125] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.569827][ T6118] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 40.609912][ T6118] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 40.649918][ T6118] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 40.716249][ T6125] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.759341][ T6125] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.780770][ T6122] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 40.826890][ T6116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.836649][ T6125] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.867126][ T6122] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 40.919894][ T6122] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 40.962810][ T6116] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.970929][ T6122] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 41.012094][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.020390][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.029370][ T6132] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 41.070486][ T6132] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 41.109638][ T6132] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 41.149878][ T6132] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 41.198558][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.209117][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.217608][ T47] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.225450][ T47] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.234668][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.244414][ T6128] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 41.296287][ T6116] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.308134][ T6116] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.328722][ T6128] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 41.369803][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.378076][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.386942][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.394028][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.401613][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.410013][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.418367][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.426969][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.435488][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.443860][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.452230][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.460746][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.469600][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.477994][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.495947][ T6118] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.504252][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.511903][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.520415][ T6128] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 41.550764][ T6125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.557761][ T6128] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 41.633360][ T6116] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.650204][ T6122] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.659968][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.667504][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.675626][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.683920][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.691891][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.700278][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.722090][ T6132] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.729604][ T6118] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.737708][ T6125] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.747016][ T6128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.756996][ T6132] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.767519][ T6122] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.775706][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.783541][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.791434][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.801360][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.810434][ T47] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.817836][ T47] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.825687][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.834710][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.843242][ T47] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.851794][ T47] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.859835][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.867731][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.875788][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.885923][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.898340][ T6118] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.909929][ T6118] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.926122][ T6116] device veth0_vlan entered promiscuous mode [ 41.938075][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.946726][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.955682][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.964629][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.974171][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.982535][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.991153][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.999521][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.007726][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.016072][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.024778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.033346][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.041766][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.050051][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.058689][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.067093][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.074285][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.081847][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.090181][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.098539][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.105701][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.113483][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.121926][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.130409][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.138740][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.146910][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.155888][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.164170][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.171459][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.179132][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.186778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.194305][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.201860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.210467][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.218180][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.226561][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.244227][ T6122] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 42.254886][ T6122] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.273541][ T6128] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.281418][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.290056][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.299448][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.306895][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.314871][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.324048][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.332633][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.339973][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.347553][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.355806][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.363580][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.371252][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.379693][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.388487][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.396617][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.404922][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.413307][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.422157][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.430248][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.438771][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.447468][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.454777][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.462787][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.471252][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.479180][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.486859][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.497713][ T6118] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.510430][ T6122] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.521164][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.532725][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.540645][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.550106][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.558741][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.566441][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.574534][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.583236][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.592045][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.600480][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.609179][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.616665][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.624218][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.633172][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.641596][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.648828][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.656198][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.664945][ T6116] device veth1_vlan entered promiscuous mode [ 42.682465][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.690405][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.697818][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.705913][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.716596][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.725286][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.733750][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.742374][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.750843][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.759688][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.768598][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.777616][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.786814][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.801222][ T6128] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 42.813252][ T6128] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.825753][ T6132] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.834046][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.842879][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.851702][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.860818][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.869619][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.877660][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.886045][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.894436][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.904318][ T6116] device veth0_macvtap entered promiscuous mode [ 42.914949][ T6116] device veth1_macvtap entered promiscuous mode [ 42.924565][ T6125] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 42.935777][ T6125] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.946957][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.954632][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.963550][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.972041][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.980216][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.989089][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.997432][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.005800][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.014467][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.022474][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.034127][ T6128] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.047167][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.055122][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.063193][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.072811][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.086187][ T6122] device veth0_vlan entered promiscuous mode [ 43.094127][ T6132] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.107211][ T6125] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.116707][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.125762][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.134942][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.144045][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.152236][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.164215][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.172662][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.181481][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.192357][ T6122] device veth1_vlan entered promiscuous mode [ 43.200663][ T6116] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.218672][ T6118] device veth0_vlan entered promiscuous mode [ 43.225313][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.233453][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.241518][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.250401][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.259797][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.268228][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.277152][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.285794][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.294609][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.303767][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.312410][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.320990][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.329332][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.340721][ T6128] device veth0_vlan entered promiscuous mode [ 43.347686][ T6132] device veth0_vlan entered promiscuous mode [ 43.358045][ T6125] device veth0_vlan entered promiscuous mode [ 43.365738][ T6116] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.374626][ T6116] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.383799][ T6116] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.392895][ T6116] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.402057][ T6116] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.412005][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.420207][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.429178][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.436770][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.445353][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.453602][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.462336][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.470643][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.479071][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.487101][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.495568][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.504554][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.512331][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.520158][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.527643][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.535409][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.543148][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.552351][ T6128] device veth1_vlan entered promiscuous mode [ 43.560504][ T6125] device veth1_vlan entered promiscuous mode [ 43.571150][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.579032][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.586835][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.595744][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.604792][ T6118] device veth1_vlan entered promiscuous mode [ 43.652244][ T6132] device veth1_vlan entered promiscuous mode [ 43.755582][ T6118] device veth0_macvtap entered promiscuous mode [ 43.772308][ T6118] device veth1_macvtap entered promiscuous mode [ 43.785713][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.787290][ T7395] ------------[ cut here ]------------ [ 43.799280][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.800302][ T7395] Trying to write to read-only block-device nullb0 (partno 0) [ 43.807552][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.816123][ T7395] WARNING: CPU: 1 PID: 7395 at block/blk-core.c:706 submit_bio_checks+0x23e/0x800 [ 43.828587][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.833561][ T7395] Modules linked in: [ 43.845121][ T7395] CPU: 1 PID: 7395 Comm: syz-executor.2 Not tainted 5.10.0-rc7-syzkaller #0 [ 43.845242][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.854323][ T7395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.866495][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.880116][ T7395] RIP: 0010:submit_bio_checks+0x23e/0x800 [ 43.886347][ T7395] Code: a2 6c 05 00 00 48 8d 75 b0 48 89 df c6 05 a4 0b a7 02 01 e8 14 88 ff ff 48 c7 c7 78 47 f6 83 48 89 c6 44 89 e2 e8 90 4f 36 01 <0f> 0b 48 8b 53 08 8b 43 28 c1 e8 09 85 c0 48 8b 72 40 0f 84 14 ff [ 43.886759][ T6132] device veth0_macvtap entered promiscuous mode [ 43.913932][ T7395] RSP: 0018:ffffc900021b3858 EFLAGS: 00010282 [ 43.917512][ T6122] device veth0_macvtap entered promiscuous mode [ 43.920475][ T7395] RAX: 0000000000000000 RBX: ffff888115b76d00 RCX: 0000000000000001 [ 43.932243][ T6128] device veth0_macvtap entered promiscuous mode [ 43.935418][ T7395] RDX: 0000000080000001 RSI: ffffffff8406eb79 RDI: 00000000ffffffff [ 43.942655][ T6128] device veth1_macvtap entered promiscuous mode [ 43.959449][ T6118] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 43.969549][ T7395] RBP: ffffc900021b38b0 R08: 0000000000000001 R09: 0000000000000001 [ 43.976769][ T6118] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 43.979409][ T7395] R10: 0000000000000001 R11: 7420676e69797254 R12: 0000000000000000 [ 43.993227][ T6118] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.996593][ T7395] R13: ffffc900021b3c08 R14: ffff8881045ac100 R15: ffff8881045ac100 [ 44.011828][ T7395] FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 44.021286][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.021603][ T7395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.029401][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.029575][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.029696][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.029889][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.041647][ T7395] CR2: 00007ff4bfbf1000 CR3: 000000010b9f3002 CR4: 00000000001706f0 [ 44.045170][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.053598][ T7395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.061172][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.073012][ T7395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.077394][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.084112][ T7395] Call Trace: [ 44.093860][ T6132] device veth1_macvtap entered promiscuous mode [ 44.104805][ T7395] submit_bio_noacct+0x37/0x640 [ 44.113541][ T6132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 44.129081][ T7395] ? submit_bio+0x3e/0x190 [ 44.132263][ T6132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.157159][ T6132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 44.157198][ T7395] submit_bio+0x3e/0x190 [ 44.168226][ T6132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.176063][ T7395] ? guard_bio_eod+0x87/0x130 [ 44.183559][ T6132] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.187974][ T7395] submit_bh_wbc+0x168/0x190 [ 44.199596][ T7395] __block_write_full_page+0x225/0x5b0 [ 44.202095][ T6128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 44.215943][ T7395] ? end_buffer_write_sync+0x40/0x40 [ 44.217495][ T6128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.222398][ T7395] ? bdev_evict_inode+0x1a0/0x1a0 [ 44.237033][ T7395] __writepage+0xe/0x60 [ 44.238812][ T6128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 44.241565][ T7395] write_cache_pages+0x221/0x540 [ 44.254959][ T6128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.256978][ T7395] ? __wb_calc_thresh+0x120/0x120 [ 44.267309][ T6128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 44.272030][ T7395] ? __lock_acquire+0x4ea/0x1770 [ 44.286487][ T6128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.287758][ T7395] generic_writepages+0x54/0x90 [ 44.303682][ T7395] do_writepages+0x39/0xe0 [ 44.304544][ T6128] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.308795][ T7395] __filemap_fdatawrite_range+0xc2/0x100 [ 44.318785][ T6125] device veth0_macvtap entered promiscuous mode [ 44.329213][ T7395] filemap_write_and_wait_range+0x36/0x90 [ 44.336699][ T6122] device veth1_macvtap entered promiscuous mode [ 44.338753][ T7395] __blkdev_put+0x19e/0x220 [ 44.349272][ T7395] blkdev_close+0x1f/0x30 [ 44.353729][ T6118] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 44.364514][ T7395] __fput+0xaa/0x250 [ 44.365649][ T6118] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.374434][ T7395] task_work_run+0x68/0xb0 [ 44.380063][ T6118] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.383856][ T7395] do_exit+0x3b0/0xc90 [ 44.395203][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.395480][ T7395] ? find_held_lock+0x2d/0x90 [ 44.403035][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.412617][ T7395] do_group_exit+0x42/0xb0 [ 44.415908][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.419872][ T7395] get_signal+0x17c/0xc70 [ 44.427876][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.432344][ T7395] arch_do_signal+0x2b/0x900 [ 44.444534][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.445564][ T7395] ? __might_fault+0x2f/0x80 [ 44.454529][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.457701][ T7395] exit_to_user_mode_prepare+0x1a2/0x220 [ 44.470776][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.472074][ T7395] syscall_exit_to_user_mode+0x7a/0x2c0 [ 44.484596][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.486390][ T7395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.494817][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.500906][ T7395] RIP: 0033:0x45cba9 [ 44.512775][ T7395] Code: Unable to access opcode bytes at RIP 0x45cb7f. [ 44.512994][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.519988][ T7395] RSP: 002b:00007f52def6bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 44.528605][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.537475][ T7395] RAX: fffffffffffffe00 RBX: 000000000078bfa8 RCX: 000000000045cba9 [ 44.551196][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.555538][ T7395] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000078bfa8 [ 44.568418][ T6132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 44.581975][ T7395] RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 44.586750][ T6132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.591184][ T7395] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac [ 44.604324][ T6132] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 44.608564][ T7395] R13: 00007ffe4254418f R14: 00007f52def6c9c0 R15: 000000000078bfac [ 44.627063][ T7395] Kernel panic - not syncing: panic_on_warn set ... [ 44.627311][ T6132] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.633798][ T7395] CPU: 1 PID: 7395 Comm: syz-executor.2 Not tainted 5.10.0-rc7-syzkaller #0 [ 44.633800][ T7395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.633802][ T7395] Call Trace: [ 44.633812][ T7395] dump_stack+0xa3/0xc8 [ 44.633818][ T7395] panic+0x135/0x31a [ 44.633827][ T7395] ? submit_bio_checks+0x23e/0x800 [ 44.633830][ T7395] __warn.cold.13+0x16/0x20 [ 44.633834][ T7395] ? submit_bio_checks+0x23e/0x800 [ 44.633839][ T7395] report_bug+0xc0/0xf0 [ 44.633845][ T7395] handle_bug+0x35/0x90 [ 44.633848][ T7395] exc_invalid_op+0x13/0x60 [ 44.633854][ T7395] asm_exc_invalid_op+0x12/0x20 [ 44.633859][ T7395] RIP: 0010:submit_bio_checks+0x23e/0x800 [ 44.646257][ T6132] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.652957][ T7395] Code: a2 6c 05 00 00 48 8d 75 b0 48 89 df c6 05 a4 0b a7 02 01 e8 14 88 ff ff 48 c7 c7 78 47 f6 83 48 89 c6 44 89 e2 e8 90 4f 36 01 <0f> 0b 48 8b 53 08 8b 43 28 c1 e8 09 85 c0 48 8b 72 40 0f 84 14 ff [ 44.652960][ T7395] RSP: 0018:ffffc900021b3858 EFLAGS: 00010282 [ 44.652965][ T7395] RAX: 0000000000000000 RBX: ffff888115b76d00 RCX: 0000000000000001 [ 44.652967][ T7395] RDX: 0000000080000001 RSI: ffffffff8406eb79 RDI: 00000000ffffffff [ 44.652969][ T7395] RBP: ffffc900021b38b0 R08: 0000000000000001 R09: 0000000000000001 [ 44.652971][ T7395] R10: 0000000000000001 R11: 7420676e69797254 R12: 0000000000000000 [ 44.652973][ T7395] R13: ffffc900021b3c08 R14: ffff8881045ac100 R15: ffff8881045ac100 [ 44.652989][ T7395] ? submit_bio_checks+0x23e/0x800 [ 44.652996][ T7395] submit_bio_noacct+0x37/0x640 [ 44.653005][ T7395] ? submit_bio+0x3e/0x190 [ 44.653007][ T7395] submit_bio+0x3e/0x190 [ 44.653014][ T7395] ? guard_bio_eod+0x87/0x130 [ 44.653019][ T7395] submit_bh_wbc+0x168/0x190 [ 44.653024][ T7395] __block_write_full_page+0x225/0x5b0 [ 44.653029][ T7395] ? end_buffer_write_sync+0x40/0x40 [ 44.653033][ T7395] ? bdev_evict_inode+0x1a0/0x1a0 [ 44.653047][ T7395] __writepage+0xe/0x60 [ 44.666312][ T6128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 44.666625][ T7395] write_cache_pages+0x221/0x540 [ 44.671672][ T6128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.675109][ T7395] ? __wb_calc_thresh+0x120/0x120 [ 44.675118][ T7395] ? __lock_acquire+0x4ea/0x1770 [ 44.675126][ T7395] generic_writepages+0x54/0x90 [ 44.681038][ T6128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 44.685071][ T7395] do_writepages+0x39/0xe0 [ 44.685081][ T7395] __filemap_fdatawrite_range+0xc2/0x100 [ 44.685090][ T7395] filemap_write_and_wait_range+0x36/0x90 [ 44.690748][ T6128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.694326][ T7395] __blkdev_put+0x19e/0x220 [ 44.694334][ T7395] blkdev_close+0x1f/0x30 [ 44.694338][ T7395] __fput+0xaa/0x250 [ 44.694345][ T7395] task_work_run+0x68/0xb0 [ 44.699231][ T6128] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 44.703208][ T7395] do_exit+0x3b0/0xc90 [ 44.703214][ T7395] ? find_held_lock+0x2d/0x90 [ 44.703223][ T7395] do_group_exit+0x42/0xb0 [ 44.708974][ T6128] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 44.714081][ T7395] get_signal+0x17c/0xc70 [ 44.714091][ T7395] arch_do_signal+0x2b/0x900 [ 44.714097][ T7395] ? __might_fault+0x2f/0x80 [ 44.714107][ T7395] exit_to_user_mode_prepare+0x1a2/0x220 [ 44.722708][ T6128] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.741241][ T7395] syscall_exit_to_user_mode+0x7a/0x2c0 [ 44.741248][ T7395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.741253][ T7395] RIP: 0033:0x45cba9 [ 44.741256][ T7395] Code: Unable to access opcode bytes at RIP 0x45cb7f. [ 44.741258][ T7395] RSP: 002b:00007f52def6bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 44.741262][ T7395] RAX: fffffffffffffe00 RBX: 000000000078bfa8 RCX: 000000000045cba9 [ 44.741264][ T7395] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000078bfa8 [ 44.741266][ T7395] RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 44.741268][ T7395] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac [ 44.741270][ T7395] R13: 00007ffe4254418f R14: 00007f52def6c9c0 R15: 000000000078bfac [ 44.748337][ T7395] Kernel Offset: disabled [ 45.068957][ T7395] Rebooting in 86400 seconds..