Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. 2021/06/06 13:04:08 parsed 1 programs 2021/06/06 13:04:08 executed programs: 0 [ 51.621539][ T27] audit: type=1400 audit(1622984648.809:10): avc: denied { execmem } for pid=5827 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.352015][ T5831] chnl_net:caif_netlink_parms(): no params data found [ 52.451444][ T5839] chnl_net:caif_netlink_parms(): no params data found [ 52.490521][ T5830] chnl_net:caif_netlink_parms(): no params data found [ 52.511044][ T5834] chnl_net:caif_netlink_parms(): no params data found [ 52.536377][ T5836] chnl_net:caif_netlink_parms(): no params data found [ 52.550763][ T5837] chnl_net:caif_netlink_parms(): no params data found [ 52.693033][ T5831] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.704351][ T5831] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.713041][ T5831] device bridge_slave_0 entered promiscuous mode [ 52.753403][ T5834] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.765315][ T5834] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.774375][ T5834] device bridge_slave_0 entered promiscuous mode [ 52.795834][ T5831] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.806106][ T5831] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.817620][ T5831] device bridge_slave_1 entered promiscuous mode [ 52.825570][ T5836] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.842693][ T5836] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.854346][ T5836] device bridge_slave_0 entered promiscuous mode [ 52.871871][ T5830] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.885409][ T5830] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.902228][ T5830] device bridge_slave_0 entered promiscuous mode [ 52.914832][ T5834] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.923166][ T5834] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.932179][ T5834] device bridge_slave_1 entered promiscuous mode [ 52.940021][ T5839] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.947719][ T5839] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.955932][ T5839] device bridge_slave_0 entered promiscuous mode [ 52.975378][ T5836] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.986745][ T5836] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.005337][ T5836] device bridge_slave_1 entered promiscuous mode [ 53.015670][ T5830] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.031717][ T5830] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.042815][ T5830] device bridge_slave_1 entered promiscuous mode [ 53.082900][ T5839] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.090110][ T5839] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.101372][ T5839] device bridge_slave_1 entered promiscuous mode [ 53.126250][ T5836] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.144370][ T5837] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.153670][ T5837] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.164004][ T5837] device bridge_slave_0 entered promiscuous mode [ 53.174512][ T5831] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.191510][ T5830] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.212956][ T5836] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.224866][ T5834] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.244038][ T5837] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.251254][ T5837] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.259338][ T5837] device bridge_slave_1 entered promiscuous mode [ 53.273843][ T5831] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.287955][ T5830] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.335216][ T5834] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.352797][ T5839] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.394120][ T5830] team0: Port device team_slave_0 added [ 53.420657][ T5836] team0: Port device team_slave_0 added [ 53.433827][ T5839] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.461588][ T5830] team0: Port device team_slave_1 added [ 53.475796][ T5831] team0: Port device team_slave_0 added [ 53.483484][ T5836] team0: Port device team_slave_1 added [ 53.499640][ T5837] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.521756][ T5834] team0: Port device team_slave_0 added [ 53.553969][ T5831] team0: Port device team_slave_1 added [ 53.580892][ T5837] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.592914][ T5834] team0: Port device team_slave_1 added [ 53.650086][ T5830] device hsr_slave_0 entered promiscuous mode [ 53.717500][ T5830] device hsr_slave_1 entered promiscuous mode [ 53.751386][ T5839] team0: Port device team_slave_0 added [ 53.800848][ T5837] team0: Port device team_slave_0 added [ 53.839307][ T5836] device hsr_slave_0 entered promiscuous mode [ 53.877665][ T5836] device hsr_slave_1 entered promiscuous mode [ 53.915895][ T5836] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.924305][ T5836] Cannot create hsr debugfs directory [ 53.979281][ T5831] device hsr_slave_0 entered promiscuous mode [ 53.998173][ T5831] device hsr_slave_1 entered promiscuous mode [ 54.067668][ T5831] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.075245][ T5831] Cannot create hsr debugfs directory [ 54.083640][ T5839] team0: Port device team_slave_1 added [ 54.097798][ T5837] team0: Port device team_slave_1 added [ 54.150580][ T5834] device hsr_slave_0 entered promiscuous mode [ 54.197345][ T5834] device hsr_slave_1 entered promiscuous mode [ 54.246913][ T5834] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.254623][ T5834] Cannot create hsr debugfs directory [ 54.329848][ T5837] device hsr_slave_0 entered promiscuous mode [ 54.367113][ T5837] device hsr_slave_1 entered promiscuous mode [ 54.396888][ T5837] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.404547][ T5837] Cannot create hsr debugfs directory [ 54.470052][ T5839] device hsr_slave_0 entered promiscuous mode [ 54.517680][ T5839] device hsr_slave_1 entered promiscuous mode [ 54.556882][ T5839] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.564566][ T5839] Cannot create hsr debugfs directory [ 54.680913][ T5836] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.699351][ T5831] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.708417][ T5834] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.719561][ T5830] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.746354][ T5836] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.763542][ T5834] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.779564][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.788862][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.796432][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.805957][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.814539][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.823274][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.831262][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.839518][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.862680][ T5831] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.871371][ T5830] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.881143][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.890859][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.899597][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.906951][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.918285][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.927463][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.935839][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.942955][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.970537][ T5837] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.994364][ T5839] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.002951][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.011536][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.021145][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.030425][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.039741][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.048677][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.057722][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.066028][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.075481][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.084310][ T3426] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.091422][ T3426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.099257][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.108063][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.116308][ T3426] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.123418][ T3426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.131677][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.140543][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.148968][ T3426] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.156009][ T3426] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.163663][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.172358][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.180788][ T3426] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.188017][ T3426] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.195549][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.204314][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.213116][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.221734][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.230528][ T3426] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.237689][ T3426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.252536][ T5836] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.263809][ T5836] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.294755][ T5837] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.302438][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.312045][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.321613][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.330730][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.340245][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.349400][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.359113][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.368693][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.377298][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.385331][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.393848][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.402743][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.411924][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.420714][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.429321][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.438725][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.447270][ T3426] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.454579][ T3426] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.462356][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.471615][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.501769][ T5839] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.511096][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.519252][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.528524][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.537484][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.545862][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.554646][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.563206][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.571740][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.580555][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.589076][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.597503][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.605887][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.614488][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.622911][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.631666][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.639519][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.647833][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.661516][ T5836] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.673047][ T5831] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.724660][ T5834] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.733343][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.744751][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.754239][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.771541][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.780367][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.789259][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.798247][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.807169][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.815292][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.823749][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.832163][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.841025][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.849614][ T2366] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.856778][ T2366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.864310][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.873254][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.881794][ T2366] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.889147][ T2366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.896986][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.905572][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.914495][ T2366] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.921874][ T2366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.929720][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.939524][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.948137][ T2366] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.955193][ T2366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.968251][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.975898][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.983898][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.992346][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.001752][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.027823][ T5831] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.035458][ T5830] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.066911][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.075568][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.095638][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.121697][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.139360][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.153345][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.165236][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.182229][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.192729][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.204529][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.213936][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.221964][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.255846][ T5839] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.278742][ T5839] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.294204][ T5837] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.315966][ T5837] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.333051][ T5830] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.342654][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.383292][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.405771][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.415511][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.424510][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.433539][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.442836][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.453487][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.495721][ T5837] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.516953][ T6726] FAULT_INJECTION: forcing a failure. [ 56.516953][ T6726] name failslab, interval 1, probability 0, space 0, times 1 [ 56.530841][ T6726] CPU: 1 PID: 6726 Comm: syz-executor.1 Not tainted 5.13.0-rc4-syzkaller #0 [ 56.539626][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.549676][ T6726] Call Trace: [ 56.549686][ T6726] dump_stack+0x1d8/0x298 [ 56.549714][ T6726] should_fail+0x3c0/0x510 [ 56.549743][ T6726] __should_failslab+0x9f/0xe0 [ 56.549756][ T6726] ? __kernfs_new_node+0x4c/0x6d0 [ 56.549774][ T6726] should_failslab+0x9/0x20 [ 56.549791][ T6726] __kmalloc_track_caller+0x90/0x390 [ 56.549806][ T6726] ? __kernfs_new_node+0x4c/0x6d0 [ 56.549820][ T6726] ? netlink_unicast+0x766/0x920 [ 56.549844][ T6726] kstrdup_const+0x55/0x90 [ 56.549864][ T6726] __kernfs_new_node+0x4c/0x6d0 [ 56.549883][ T6726] ? lock_is_held_type+0xd5/0x140 [ 56.549902][ T6726] ? sysfs_do_create_link_sd+0x7b/0x110 [ 56.549929][ T6726] kernfs_new_node+0x97/0x170 [ 56.549948][ T6726] kernfs_create_link+0xbb/0x210 [ 56.549964][ T6726] sysfs_do_create_link_sd+0x89/0x110 [ 56.626574][ T6726] sysfs_create_link+0x68/0x80 [ 56.631351][ T6726] __netdev_adjacent_dev_insert+0x475/0x640 [ 56.637537][ T6726] ? raw_notifier_call_chain+0x152/0x170 [ 56.643284][ T6726] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 56.649021][ T6726] ? default_do_nmi+0x151/0x170 [ 56.653895][ T6726] ? check_preemption_disabled+0x5b/0x170 [ 56.659626][ T6726] ? __this_cpu_preempt_check+0x1c/0x20 [ 56.665169][ T6726] ? lock_release+0x487/0x6f0 [ 56.669850][ T6726] ? rcu_lock_release+0xd/0x30 [ 56.674605][ T6726] ? netdev_master_upper_dev_link+0x47/0x90 [ 56.680501][ T6726] netdev_master_upper_dev_link+0x63/0x90 [ 56.686367][ T6726] batadv_hardif_enable_interface+0x2c4/0xac0 [ 56.692449][ T6726] ? rcu_lock_release+0x21/0x30 [ 56.697435][ T6726] batadv_softif_slave_add+0x9f/0x130 [ 56.702812][ T6726] do_setlink+0xd54/0x3df0 [ 56.707232][ T6726] ? __nla_validate_parse+0x1b43/0x2510 [ 56.712901][ T6726] ? rtnl_newlink+0x77/0x1b30 [ 56.717758][ T6726] ? __kasan_check_read+0x11/0x20 [ 56.722880][ T6726] rtnl_newlink+0x149b/0x1b30 [ 56.727579][ T6726] ? __kasan_check_read+0x11/0x20 [ 56.732629][ T6726] ? __lock_acquire+0x1283/0x55d0 [ 56.737801][ T6726] ? __mutex_lock_common+0x19c2/0x2f60 [ 56.743266][ T6726] ? rtnetlink_rcv_msg+0x848/0xd50 [ 56.748391][ T6726] ? check_preemption_disabled+0x5b/0x170 [ 56.754211][ T6726] ? __this_cpu_preempt_check+0x1c/0x20 [ 56.759742][ T6726] ? lock_is_held_type+0xd5/0x140 [ 56.764787][ T6726] ? rtnl_setlink+0x410/0x410 [ 56.769464][ T6726] rtnetlink_rcv_msg+0x895/0xd50 [ 56.774423][ T6726] ? check_preemption_disabled+0x5b/0x170 [ 56.780135][ T6726] ? __local_bh_enable_ip+0x13d/0x1d0 [ 56.785519][ T6726] ? __this_cpu_preempt_check+0x1c/0x20 [ 56.791063][ T6726] ? lockdep_hardirqs_on+0x7e/0x110 [ 56.796251][ T6726] ? __local_bh_enable_ip+0x13d/0x1d0 [ 56.801619][ T6726] ? local_bh_enable+0x9/0x30 [ 56.806379][ T6726] ? trace_hardirqs_on+0x7f/0x90 [ 56.811327][ T6726] ? __this_cpu_preempt_check+0x1c/0x20 [ 56.816866][ T6726] ? lock_is_held_type+0xd5/0x140 [ 56.821904][ T6726] ? check_preemption_disabled+0x5b/0x170 [ 56.827803][ T6726] ? __this_cpu_preempt_check+0x1c/0x20 [ 56.833342][ T6726] ? lock_release+0x487/0x6f0 [ 56.838001][ T6726] ? rcu_lock_release+0x9/0x30 [ 56.842776][ T6726] netlink_rcv_skb+0x19e/0x3e0 [ 56.847614][ T6726] ? rtnetlink_bind+0x80/0x80 [ 56.852300][ T6726] rtnetlink_rcv+0x1c/0x20 [ 56.856711][ T6726] netlink_unicast+0x766/0x920 [ 56.861488][ T6726] netlink_sendmsg+0x983/0xd20 [ 56.866295][ T6726] ? netlink_getsockopt+0xa60/0xa60 [ 56.871490][ T6726] ____sys_sendmsg+0x544/0x850 [ 56.876512][ T6726] ? import_iovec+0xe5/0x120 [ 56.881123][ T6726] __sys_sendmsg+0x2bf/0x370 [ 56.885730][ T6726] ? __this_cpu_preempt_check+0x1c/0x20 [ 56.891726][ T6726] ? __f_unlock_pos+0x1c/0x20 [ 56.896420][ T6726] ? check_preemption_disabled+0x5b/0x170 [ 56.902150][ T6726] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 56.908125][ T6726] ? __this_cpu_preempt_check+0x1c/0x20 [ 56.913688][ T6726] ? lockdep_hardirqs_on+0x7e/0x110 [ 56.918880][ T6726] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 56.924961][ T6726] __x64_sys_sendmsg+0x7f/0x90 [ 56.929736][ T6726] do_syscall_64+0x3f/0xb0 [ 56.934241][ T6726] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.940392][ T6726] RIP: 0033:0x461229 [ 56.944288][ T6726] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 56.963943][ T6726] RSP: 002b:00007f74084e61a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 56.973267][ T6726] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 56.982691][ T6726] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 2021/06/06 13:04:14 executed programs: 8 [ 56.990966][ T6726] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 56.999039][ T6726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 57.007101][ T6726] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f74084e66bc [ 57.035122][ T3426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.050007][ T5839] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.065107][ T6730] FAULT_INJECTION: forcing a failure. [ 57.065107][ T6730] name failslab, interval 1, probability 0, space 0, times 0 [ 57.091671][ T6730] CPU: 1 PID: 6730 Comm: syz-executor.0 Not tainted 5.13.0-rc4-syzkaller #0 [ 57.100385][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.110446][ T6730] Call Trace: [ 57.113727][ T6730] dump_stack+0x1d8/0x298 [ 57.118077][ T6730] should_fail+0x3c0/0x510 [ 57.122510][ T6730] __should_failslab+0x9f/0xe0 [ 57.127275][ T6730] ? __kernfs_new_node+0x4c/0x6d0 [ 57.132316][ T6730] should_failslab+0x9/0x20 [ 57.136829][ T6730] __kmalloc_track_caller+0x90/0x390 [ 57.136851][ T6730] ? __kernfs_new_node+0x4c/0x6d0 [ 57.147172][ T6730] ? netlink_unicast+0x766/0x920 [ 57.147199][ T6730] kstrdup_const+0x55/0x90 [ 57.147217][ T6730] __kernfs_new_node+0x4c/0x6d0 [ 57.147236][ T6730] ? lock_is_held_type+0xd5/0x140 [ 57.147255][ T6730] ? sysfs_do_create_link_sd+0x7b/0x110 [ 57.147282][ T6730] kernfs_new_node+0x97/0x170 [ 57.147309][ T6730] kernfs_create_link+0xbb/0x210 [ 57.147330][ T6730] sysfs_do_create_link_sd+0x89/0x110 [ 57.147350][ T6730] sysfs_create_link+0x68/0x80 [ 57.147367][ T6730] __netdev_adjacent_dev_insert+0x475/0x640 [ 57.147391][ T6730] ? raw_notifier_call_chain+0x152/0x170 [ 57.203286][ T6730] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 57.209987][ T6730] ? default_do_nmi+0x151/0x170 [ 57.214853][ T6730] ? check_preemption_disabled+0x5b/0x170 [ 57.220584][ T6730] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.226132][ T6730] ? lock_release+0x487/0x6f0 [ 57.230814][ T6730] ? rcu_lock_release+0xd/0x30 [ 57.235577][ T6730] ? netdev_master_upper_dev_link+0x47/0x90 [ 57.235607][ T6730] netdev_master_upper_dev_link+0x63/0x90 [ 57.247192][ T6730] batadv_hardif_enable_interface+0x2c4/0xac0 [ 57.253264][ T6730] ? rcu_lock_release+0x21/0x30 [ 57.253300][ T6730] batadv_softif_slave_add+0x9f/0x130 [ 57.263489][ T6730] do_setlink+0xd54/0x3df0 [ 57.267913][ T6730] ? __nla_validate_parse+0x1b43/0x2510 [ 57.273486][ T6730] ? rtnl_newlink+0x77/0x1b30 [ 57.278262][ T6730] ? __kasan_check_read+0x11/0x20 [ 57.283310][ T6730] rtnl_newlink+0x149b/0x1b30 [ 57.288191][ T6730] ? __kasan_check_read+0x11/0x20 [ 57.293219][ T6730] ? __lock_acquire+0x1283/0x55d0 [ 57.298327][ T6730] ? __mutex_lock_common+0x19c2/0x2f60 [ 57.303795][ T6730] ? rtnetlink_rcv_msg+0x848/0xd50 [ 57.308919][ T6730] ? check_preemption_disabled+0x5b/0x170 [ 57.314645][ T6730] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.320194][ T6730] ? lock_is_held_type+0xd5/0x140 [ 57.325228][ T6730] ? rtnl_setlink+0x410/0x410 [ 57.329920][ T6730] rtnetlink_rcv_msg+0x895/0xd50 [ 57.334872][ T6730] ? check_preemption_disabled+0x5b/0x170 [ 57.340687][ T6730] ? __local_bh_enable_ip+0x13d/0x1d0 [ 57.346199][ T6730] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.351754][ T6730] ? lockdep_hardirqs_on+0x7e/0x110 [ 57.357045][ T6730] ? __local_bh_enable_ip+0x13d/0x1d0 [ 57.362685][ T6730] ? local_bh_enable+0x9/0x30 [ 57.367561][ T6730] ? trace_hardirqs_on+0x7f/0x90 [ 57.372501][ T6730] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.378508][ T6730] ? lock_is_held_type+0xd5/0x140 [ 57.383735][ T6730] ? check_preemption_disabled+0x5b/0x170 [ 57.389975][ T6730] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.395741][ T6730] ? lock_release+0x487/0x6f0 [ 57.400434][ T6730] ? rcu_lock_release+0x9/0x30 [ 57.405195][ T6730] netlink_rcv_skb+0x19e/0x3e0 [ 57.409966][ T6730] ? rtnetlink_bind+0x80/0x80 [ 57.414832][ T6730] rtnetlink_rcv+0x1c/0x20 [ 57.419329][ T6730] netlink_unicast+0x766/0x920 [ 57.424099][ T6730] netlink_sendmsg+0x983/0xd20 [ 57.429054][ T6730] ? netlink_getsockopt+0xa60/0xa60 [ 57.434273][ T6730] ____sys_sendmsg+0x544/0x850 [ 57.439051][ T6730] ? import_iovec+0xe5/0x120 [ 57.443635][ T6730] __sys_sendmsg+0x2bf/0x370 [ 57.448322][ T6730] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.453958][ T6730] ? __f_unlock_pos+0x1c/0x20 [ 57.458763][ T6730] ? check_preemption_disabled+0x5b/0x170 [ 57.464480][ T6730] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 57.470455][ T6730] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.476024][ T6730] ? lockdep_hardirqs_on+0x7e/0x110 [ 57.481251][ T6730] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 57.487226][ T6730] __x64_sys_sendmsg+0x7f/0x90 [ 57.492010][ T6730] do_syscall_64+0x3f/0xb0 [ 57.496432][ T6730] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 57.502322][ T6730] RIP: 0033:0x461229 [ 57.506204][ T6730] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 57.525809][ T6730] RSP: 002b:00007fd922c061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 57.534220][ T6730] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 57.542182][ T6730] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 57.550497][ T6730] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 57.558483][ T6730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 57.566480][ T6730] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007fd922c066bc [ 57.689948][ T6752] FAULT_INJECTION: forcing a failure. [ 57.689948][ T6752] name failslab, interval 1, probability 0, space 0, times 0 [ 57.727535][ T6752] CPU: 0 PID: 6752 Comm: syz-executor.4 Not tainted 5.13.0-rc4-syzkaller #0 [ 57.736288][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.746352][ T6752] Call Trace: [ 57.749640][ T6752] dump_stack+0x1d8/0x298 [ 57.754022][ T6752] should_fail+0x3c0/0x510 [ 57.758460][ T6752] __should_failslab+0x9f/0xe0 [ 57.763235][ T6752] should_failslab+0x9/0x20 [ 57.767749][ T6752] kmem_cache_alloc_node+0x74/0x2f0 [ 57.773008][ T6752] __alloc_skb+0xdd/0x760 [ 57.777454][ T6752] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 57.782760][ T6752] rtnetlink_event+0xf2/0x1b0 [ 57.787550][ T6752] raw_notifier_call_chain+0xff/0x170 [ 57.793115][ T6752] __netdev_upper_dev_link+0x9da/0x1ae0 [ 57.798685][ T6752] ? default_do_nmi+0x151/0x170 [ 57.798713][ T6752] ? check_preemption_disabled+0x5b/0x170 [ 57.798735][ T6752] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.798752][ T6752] ? lock_release+0x487/0x6f0 [ 57.798766][ T6752] ? rcu_lock_release+0xd/0x30 [ 57.809313][ T6752] ? netdev_master_upper_dev_link+0x47/0x90 [ 57.809343][ T6752] netdev_master_upper_dev_link+0x63/0x90 [ 57.809370][ T6752] batadv_hardif_enable_interface+0x2c4/0xac0 [ 57.809392][ T6752] ? rcu_lock_release+0x21/0x30 [ 57.809416][ T6752] batadv_softif_slave_add+0x9f/0x130 [ 57.809436][ T6752] do_setlink+0xd54/0x3df0 [ 57.809458][ T6752] ? __nla_validate_parse+0x1b43/0x2510 [ 57.809489][ T6752] ? rtnl_newlink+0x77/0x1b30 [ 57.867934][ T6752] ? __kasan_check_read+0x11/0x20 [ 57.872986][ T6752] rtnl_newlink+0x149b/0x1b30 [ 57.877706][ T6752] ? __kasan_check_read+0x11/0x20 [ 57.882738][ T6752] ? __lock_acquire+0x1283/0x55d0 [ 57.882828][ T6752] ? __mutex_lock_common+0x4dd/0x2f60 [ 57.882846][ T6752] ? lock_is_held_type+0xd5/0x140 [ 57.893213][ T6752] ? rtnetlink_rcv_msg+0x848/0xd50 [ 57.893236][ T6752] ? check_preemption_disabled+0x5b/0x170 [ 57.893255][ T6752] ? check_preemption_disabled+0x5b/0x170 [ 57.893276][ T6752] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.893292][ T6752] ? lock_is_held_type+0xd5/0x140 [ 57.893315][ T6752] ? rtnl_setlink+0x410/0x410 [ 57.930347][ T6752] rtnetlink_rcv_msg+0x895/0xd50 [ 57.935319][ T6752] ? check_preemption_disabled+0x5b/0x170 [ 57.941349][ T6752] ? __local_bh_enable_ip+0x13d/0x1d0 [ 57.946740][ T6752] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.952322][ T6752] ? lockdep_hardirqs_on+0x7e/0x110 [ 57.957537][ T6752] ? __local_bh_enable_ip+0x13d/0x1d0 [ 57.962913][ T6752] ? local_bh_enable+0x9/0x30 [ 57.962937][ T6752] ? trace_hardirqs_on+0x7f/0x90 [ 57.962960][ T6752] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.962977][ T6752] ? lock_is_held_type+0xd5/0x140 [ 57.962999][ T6752] ? check_preemption_disabled+0x5b/0x170 [ 57.963018][ T6752] ? __this_cpu_preempt_check+0x1c/0x20 [ 57.972704][ T6752] ? lock_release+0x487/0x6f0 [ 57.972721][ T6752] ? rcu_lock_release+0x9/0x30 [ 57.972753][ T6752] netlink_rcv_skb+0x19e/0x3e0 [ 57.972771][ T6752] ? rtnetlink_bind+0x80/0x80 [ 57.972803][ T6752] rtnetlink_rcv+0x1c/0x20 [ 58.017958][ T6752] netlink_unicast+0x766/0x920 [ 58.022748][ T6752] netlink_sendmsg+0x983/0xd20 [ 58.027535][ T6752] ? netlink_getsockopt+0xa60/0xa60 [ 58.032754][ T6752] ____sys_sendmsg+0x544/0x850 [ 58.037537][ T6752] ? import_iovec+0xe5/0x120 [ 58.042149][ T6752] __sys_sendmsg+0x2bf/0x370 [ 58.046775][ T6752] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.046797][ T6752] ? __f_unlock_pos+0x1c/0x20 [ 58.046836][ T6752] ? check_preemption_disabled+0x5b/0x170 [ 58.046854][ T6752] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 58.046875][ T6752] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.046889][ T6752] ? lockdep_hardirqs_on+0x7e/0x110 [ 58.046905][ T6752] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 58.057106][ T6752] __x64_sys_sendmsg+0x7f/0x90 [ 58.057133][ T6752] do_syscall_64+0x3f/0xb0 [ 58.057153][ T6752] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.057171][ T6752] RIP: 0033:0x461229 [ 58.057188][ T6752] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 58.057201][ T6752] RSP: 002b:00007f9eb73031a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 58.057219][ T6752] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 58.057230][ T6752] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 58.057240][ T6752] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 58.156640][ T6752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 58.164629][ T6752] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9eb73036bc [ 58.187081][ T6752] batman_adv: batadv0: Adding interface: gretap0 [ 58.193460][ T6752] batman_adv: batadv0: The MTU of interface gretap0 is too small (1476) 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. [ 58.219793][ T6752] batman_adv: batadv0: Interface activated: gretap0 [ 58.323730][ T6780] FAULT_INJECTION: forcing a failure. [ 58.323730][ T6780] name failslab, interval 1, probability 0, space 0, times 0 [ 58.341210][ T6780] CPU: 0 PID: 6780 Comm: syz-executor.3 Not tainted 5.13.0-rc4-syzkaller #0 [ 58.349905][ T6780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.360079][ T6780] Call Trace: [ 58.363360][ T6780] dump_stack+0x1d8/0x298 [ 58.367730][ T6780] should_fail+0x3c0/0x510 [ 58.367760][ T6780] __should_failslab+0x9f/0xe0 [ 58.367777][ T6780] ? __kernfs_new_node+0x4c/0x6d0 [ 58.367795][ T6780] should_failslab+0x9/0x20 [ 58.367812][ T6780] __kmalloc_track_caller+0x90/0x390 [ 58.367828][ T6780] ? __kernfs_new_node+0x4c/0x6d0 [ 58.367843][ T6780] ? netlink_unicast+0x766/0x920 [ 58.377124][ T6780] kstrdup_const+0x55/0x90 [ 58.377149][ T6780] __kernfs_new_node+0x4c/0x6d0 [ 58.377171][ T6780] ? lock_is_held_type+0xd5/0x140 [ 58.377191][ T6780] ? sysfs_do_create_link_sd+0x7b/0x110 [ 58.377220][ T6780] kernfs_new_node+0x97/0x170 [ 58.377240][ T6780] kernfs_create_link+0xbb/0x210 [ 58.377260][ T6780] sysfs_do_create_link_sd+0x89/0x110 [ 58.377279][ T6780] sysfs_create_link+0x68/0x80 [ 58.377296][ T6780] __netdev_adjacent_dev_insert+0x475/0x640 [ 58.447717][ T6780] ? raw_notifier_call_chain+0x152/0x170 [ 58.453369][ T6780] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 58.459021][ T6780] ? default_do_nmi+0x151/0x170 [ 58.459053][ T6780] ? check_preemption_disabled+0x5b/0x170 [ 58.459076][ T6780] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.459092][ T6780] ? lock_release+0x487/0x6f0 [ 58.459107][ T6780] ? rcu_lock_release+0xd/0x30 [ 58.459125][ T6780] ? netdev_master_upper_dev_link+0x47/0x90 [ 58.459149][ T6780] netdev_master_upper_dev_link+0x63/0x90 [ 58.469685][ T6780] batadv_hardif_enable_interface+0x2c4/0xac0 [ 58.469713][ T6780] ? rcu_lock_release+0x21/0x30 [ 58.469740][ T6780] batadv_softif_slave_add+0x9f/0x130 [ 58.469763][ T6780] do_setlink+0xd54/0x3df0 [ 58.469788][ T6780] ? __nla_validate_parse+0x1b43/0x2510 [ 58.469820][ T6780] ? rtnl_newlink+0x77/0x1b30 [ 58.469841][ T6780] ? __kasan_check_read+0x11/0x20 [ 58.469867][ T6780] rtnl_newlink+0x149b/0x1b30 [ 58.537581][ T6780] ? __kasan_check_read+0x11/0x20 [ 58.542631][ T6780] ? __lock_acquire+0x1283/0x55d0 [ 58.547727][ T6780] ? __mutex_lock_common+0x4dd/0x2f60 [ 58.553189][ T6780] ? lock_is_held_type+0xd5/0x140 [ 58.553214][ T6780] ? rtnetlink_rcv_msg+0x848/0xd50 [ 58.553232][ T6780] ? check_preemption_disabled+0x5b/0x170 [ 58.553250][ T6780] ? check_preemption_disabled+0x5b/0x170 [ 58.553271][ T6780] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.553287][ T6780] ? lock_is_held_type+0xd5/0x140 [ 58.553310][ T6780] ? rtnl_setlink+0x410/0x410 [ 58.563502][ T6780] rtnetlink_rcv_msg+0x895/0xd50 [ 58.563538][ T6780] ? check_preemption_disabled+0x5b/0x170 [ 58.563557][ T6780] ? __local_bh_enable_ip+0x13d/0x1d0 [ 58.563575][ T6780] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.563592][ T6780] ? lockdep_hardirqs_on+0x7e/0x110 [ 58.563608][ T6780] ? __local_bh_enable_ip+0x13d/0x1d0 [ 58.563622][ T6780] ? local_bh_enable+0x9/0x30 [ 58.563638][ T6780] ? trace_hardirqs_on+0x7f/0x90 [ 58.617342][ T6780] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.617366][ T6780] ? lock_is_held_type+0xd5/0x140 [ 58.617389][ T6780] ? check_preemption_disabled+0x5b/0x170 [ 58.617409][ T6780] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.617423][ T6780] ? lock_release+0x487/0x6f0 [ 58.617438][ T6780] ? rcu_lock_release+0x9/0x30 [ 58.617468][ T6780] netlink_rcv_skb+0x19e/0x3e0 [ 58.627586][ T6780] ? rtnetlink_bind+0x80/0x80 [ 58.627621][ T6780] rtnetlink_rcv+0x1c/0x20 [ 58.627640][ T6780] netlink_unicast+0x766/0x920 [ 58.627672][ T6780] netlink_sendmsg+0x983/0xd20 [ 58.627703][ T6780] ? netlink_getsockopt+0xa60/0xa60 [ 58.627722][ T6780] ____sys_sendmsg+0x544/0x850 [ 58.627745][ T6780] ? import_iovec+0xe5/0x120 [ 58.627770][ T6780] __sys_sendmsg+0x2bf/0x370 [ 58.708026][ T6780] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.713659][ T6780] ? __f_unlock_pos+0x1c/0x20 [ 58.718443][ T6780] ? check_preemption_disabled+0x5b/0x170 [ 58.724171][ T6780] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 58.730785][ T6780] ? __this_cpu_preempt_check+0x1c/0x20 [ 58.736513][ T6780] ? lockdep_hardirqs_on+0x7e/0x110 [ 58.741817][ T6780] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 58.747785][ T6780] __x64_sys_sendmsg+0x7f/0x90 [ 58.752550][ T6780] do_syscall_64+0x3f/0xb0 [ 58.756959][ T6780] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.762844][ T6780] RIP: 0033:0x461229 [ 58.766748][ T6780] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 58.786354][ T6780] RSP: 002b:00007f9d29cb51a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 58.794783][ T6780] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 58.802833][ T6780] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 58.810793][ T6780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 58.818759][ T6780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 58.826721][ T6780] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9d29cb56bc [ 58.874485][ T6783] FAULT_INJECTION: forcing a failure. [ 58.874485][ T6783] name failslab, interval 1, probability 0, space 0, times 0 [ 58.912367][ T6783] CPU: 0 PID: 6783 Comm: syz-executor.2 Not tainted 5.13.0-rc4-syzkaller #0 [ 58.921088][ T6783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.931321][ T6783] Call Trace: [ 58.934604][ T6783] dump_stack+0x1d8/0x298 [ 58.939152][ T6783] should_fail+0x3c0/0x510 [ 58.943587][ T6783] __should_failslab+0x9f/0xe0 [ 58.948358][ T6783] should_failslab+0x9/0x20 [ 58.952891][ T6783] kmem_cache_alloc+0x6a/0x340 [ 58.952918][ T6783] __kernfs_new_node+0x97/0x6d0 [ 58.952941][ T6783] ? lock_is_held_type+0xd5/0x140 [ 58.967861][ T6783] ? sysfs_do_create_link_sd+0x7b/0x110 [ 58.973435][ T6783] kernfs_new_node+0x97/0x170 [ 58.978226][ T6783] kernfs_create_link+0xbb/0x210 [ 58.983187][ T6783] sysfs_do_create_link_sd+0x89/0x110 [ 58.988573][ T6783] sysfs_create_link+0x68/0x80 [ 58.993356][ T6783] __netdev_adjacent_dev_insert+0x475/0x640 [ 58.999269][ T6783] ? raw_notifier_call_chain+0x152/0x170 [ 59.004940][ T6783] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 59.010666][ T6783] ? default_do_nmi+0x151/0x170 [ 59.015632][ T6783] ? check_preemption_disabled+0x5b/0x170 [ 59.015657][ T6783] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.015674][ T6783] ? lock_release+0x487/0x6f0 [ 59.015688][ T6783] ? rcu_lock_release+0xd/0x30 [ 59.015706][ T6783] ? netdev_master_upper_dev_link+0x47/0x90 [ 59.027039][ T6783] netdev_master_upper_dev_link+0x63/0x90 [ 59.027068][ T6783] batadv_hardif_enable_interface+0x2c4/0xac0 [ 59.027092][ T6783] ? rcu_lock_release+0x21/0x30 [ 59.027117][ T6783] batadv_softif_slave_add+0x9f/0x130 [ 59.027137][ T6783] do_setlink+0xd54/0x3df0 [ 59.069270][ T6783] ? __nla_validate_parse+0x1b43/0x2510 [ 59.074853][ T6783] ? rtnl_newlink+0x77/0x1b30 [ 59.079543][ T6783] ? __kasan_check_read+0x11/0x20 [ 59.084581][ T6783] rtnl_newlink+0x149b/0x1b30 [ 59.084629][ T6783] ? __kasan_check_read+0x11/0x20 [ 59.084647][ T6783] ? __lock_acquire+0x1283/0x55d0 [ 59.094519][ T6783] ? __mutex_lock_common+0x19c2/0x2f60 [ 59.094549][ T6783] ? rtnetlink_rcv_msg+0x848/0xd50 [ 59.110188][ T6783] ? check_preemption_disabled+0x5b/0x170 [ 59.116041][ T6783] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.121604][ T6783] ? lock_is_held_type+0xd5/0x140 [ 59.126643][ T6783] ? rtnl_setlink+0x410/0x410 [ 59.131329][ T6783] rtnetlink_rcv_msg+0x895/0xd50 [ 59.136285][ T6783] ? check_preemption_disabled+0x5b/0x170 [ 59.142012][ T6783] ? __local_bh_enable_ip+0x13d/0x1d0 [ 59.147501][ T6783] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.153046][ T6783] ? lockdep_hardirqs_on+0x7e/0x110 [ 59.153068][ T6783] ? __local_bh_enable_ip+0x13d/0x1d0 [ 59.153084][ T6783] ? local_bh_enable+0x9/0x30 [ 59.153102][ T6783] ? trace_hardirqs_on+0x7f/0x90 [ 59.153123][ T6783] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.163846][ T6783] ? lock_is_held_type+0xd5/0x140 [ 59.163870][ T6783] ? check_preemption_disabled+0x5b/0x170 [ 59.163899][ T6783] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.163915][ T6783] ? lock_release+0x487/0x6f0 [ 59.199932][ T6783] ? rcu_lock_release+0x9/0x30 [ 59.204720][ T6783] netlink_rcv_skb+0x19e/0x3e0 [ 59.209493][ T6783] ? rtnetlink_bind+0x80/0x80 [ 59.214194][ T6783] rtnetlink_rcv+0x1c/0x20 [ 59.218620][ T6783] netlink_unicast+0x766/0x920 [ 59.223525][ T6783] netlink_sendmsg+0x983/0xd20 [ 59.228306][ T6783] ? netlink_getsockopt+0xa60/0xa60 [ 59.233519][ T6783] ____sys_sendmsg+0x544/0x850 [ 59.238293][ T6783] ? import_iovec+0xe5/0x120 [ 59.242914][ T6783] __sys_sendmsg+0x2bf/0x370 [ 59.247555][ T6783] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.253126][ T6783] ? __f_unlock_pos+0x1c/0x20 [ 59.257815][ T6783] ? check_preemption_disabled+0x5b/0x170 [ 59.263569][ T6783] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 59.269579][ T6783] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.275137][ T6783] ? lockdep_hardirqs_on+0x7e/0x110 [ 59.280340][ T6783] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 59.286346][ T6783] __x64_sys_sendmsg+0x7f/0x90 [ 59.291128][ T6783] do_syscall_64+0x3f/0xb0 [ 59.295590][ T6783] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 59.301495][ T6783] RIP: 0033:0x461229 [ 59.305426][ T6783] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 59.325033][ T6783] RSP: 002b:00007f6b3736f1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.333627][ T6783] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 59.341700][ T6783] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 59.341715][ T6783] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 59.341725][ T6783] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 59.341736][ T6783] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f6b3736f6bc [ 59.423390][ T6796] FAULT_INJECTION: forcing a failure. [ 59.423390][ T6796] name failslab, interval 1, probability 0, space 0, times 0 [ 59.449526][ T6796] CPU: 1 PID: 6796 Comm: syz-executor.5 Not tainted 5.13.0-rc4-syzkaller #0 [ 59.458241][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.468304][ T6796] Call Trace: [ 59.471586][ T6796] dump_stack+0x1d8/0x298 [ 59.475920][ T6796] should_fail+0x3c0/0x510 [ 59.475948][ T6796] __should_failslab+0x9f/0xe0 [ 59.475964][ T6796] ? __kernfs_new_node+0x4c/0x6d0 [ 59.475981][ T6796] should_failslab+0x9/0x20 [ 59.476000][ T6796] __kmalloc_track_caller+0x90/0x390 [ 59.476016][ T6796] ? __kernfs_new_node+0x4c/0x6d0 [ 59.476030][ T6796] ? netlink_unicast+0x766/0x920 [ 59.476057][ T6796] kstrdup_const+0x55/0x90 [ 59.476076][ T6796] __kernfs_new_node+0x4c/0x6d0 [ 59.476095][ T6796] ? lock_is_held_type+0xd5/0x140 [ 59.476113][ T6796] ? sysfs_do_create_link_sd+0x7b/0x110 [ 59.476140][ T6796] kernfs_new_node+0x97/0x170 [ 59.534655][ T6796] kernfs_create_link+0xbb/0x210 [ 59.539609][ T6796] sysfs_do_create_link_sd+0x89/0x110 [ 59.545000][ T6796] sysfs_create_link+0x68/0x80 [ 59.549780][ T6796] __netdev_adjacent_dev_insert+0x475/0x640 [ 59.555675][ T6796] ? raw_notifier_call_chain+0x152/0x170 [ 59.555707][ T6796] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 59.555737][ T6796] ? default_do_nmi+0x151/0x170 [ 59.555759][ T6796] ? check_preemption_disabled+0x5b/0x170 [ 59.555778][ T6796] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.555793][ T6796] ? lock_release+0x487/0x6f0 [ 59.555805][ T6796] ? rcu_lock_release+0xd/0x30 [ 59.555821][ T6796] ? netdev_master_upper_dev_link+0x47/0x90 [ 59.555844][ T6796] netdev_master_upper_dev_link+0x63/0x90 [ 59.567538][ T6796] batadv_hardif_enable_interface+0x2c4/0xac0 [ 59.567567][ T6796] ? rcu_lock_release+0x21/0x30 [ 59.567594][ T6796] batadv_softif_slave_add+0x9f/0x130 [ 59.567617][ T6796] do_setlink+0xd54/0x3df0 [ 59.567643][ T6796] ? __nla_validate_parse+0x1b43/0x2510 [ 59.567673][ T6796] ? rtnl_newlink+0x77/0x1b30 [ 59.567694][ T6796] ? __kasan_check_read+0x11/0x20 [ 59.567721][ T6796] rtnl_newlink+0x149b/0x1b30 [ 59.567757][ T6796] ? __kasan_check_read+0x11/0x20 [ 59.631222][ T6796] ? __lock_acquire+0x1283/0x55d0 [ 59.631307][ T6796] ? __mutex_lock_common+0x19c2/0x2f60 [ 59.655708][ T6796] ? rtnetlink_rcv_msg+0x848/0xd50 [ 59.655738][ T6796] ? check_preemption_disabled+0x5b/0x170 [ 59.655762][ T6796] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.655778][ T6796] ? lock_is_held_type+0xd5/0x140 [ 59.655803][ T6796] ? rtnl_setlink+0x410/0x410 [ 59.655822][ T6796] rtnetlink_rcv_msg+0x895/0xd50 [ 59.655847][ T6796] ? check_preemption_disabled+0x5b/0x170 [ 59.655864][ T6796] ? __local_bh_enable_ip+0x13d/0x1d0 [ 59.655881][ T6796] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.655896][ T6796] ? lockdep_hardirqs_on+0x7e/0x110 [ 59.655911][ T6796] ? __local_bh_enable_ip+0x13d/0x1d0 [ 59.655924][ T6796] ? local_bh_enable+0x9/0x30 [ 59.655940][ T6796] ? trace_hardirqs_on+0x7f/0x90 [ 59.655961][ T6796] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.735007][ T6796] ? lock_is_held_type+0xd5/0x140 [ 59.740056][ T6796] ? check_preemption_disabled+0x5b/0x170 [ 59.745847][ T6796] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.751436][ T6796] ? lock_release+0x487/0x6f0 [ 59.756147][ T6796] ? rcu_lock_release+0x9/0x30 [ 59.760932][ T6796] netlink_rcv_skb+0x19e/0x3e0 [ 59.765739][ T6796] ? rtnetlink_bind+0x80/0x80 [ 59.770608][ T6796] rtnetlink_rcv+0x1c/0x20 [ 59.775124][ T6796] netlink_unicast+0x766/0x920 [ 59.779998][ T6796] netlink_sendmsg+0x983/0xd20 [ 59.784784][ T6796] ? netlink_getsockopt+0xa60/0xa60 [ 59.790092][ T6796] ____sys_sendmsg+0x544/0x850 [ 59.794921][ T6796] ? import_iovec+0xe5/0x120 [ 59.799532][ T6796] __sys_sendmsg+0x2bf/0x370 [ 59.804147][ T6796] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.809699][ T6796] ? __f_unlock_pos+0x1c/0x20 [ 59.814432][ T6796] ? check_preemption_disabled+0x5b/0x170 [ 59.820173][ T6796] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 59.826162][ T6796] ? __this_cpu_preempt_check+0x1c/0x20 [ 59.831822][ T6796] ? lockdep_hardirqs_on+0x7e/0x110 [ 59.837035][ T6796] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 59.843035][ T6796] __x64_sys_sendmsg+0x7f/0x90 [ 59.847949][ T6796] do_syscall_64+0x3f/0xb0 [ 59.852378][ T6796] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 59.858275][ T6796] RIP: 0033:0x461229 [ 59.858295][ T6796] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 59.858309][ T6796] RSP: 002b:00007f2d12b061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.858329][ T6796] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 59.858340][ T6796] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 59.858351][ T6796] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 59.858362][ T6796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 59.858372][ T6796] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f2d12b066bc [ 59.934344][ T6811] FAULT_INJECTION: forcing a failure. [ 59.934344][ T6811] name failslab, interval 1, probability 0, space 0, times 0 [ 59.962498][ T6811] CPU: 0 PID: 6811 Comm: syz-executor.1 Not tainted 5.13.0-rc4-syzkaller #0 [ 59.971453][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.981813][ T6811] Call Trace: [ 59.981823][ T6811] dump_stack+0x1d8/0x298 [ 59.981851][ T6811] should_fail+0x3c0/0x510 [ 59.981886][ T6811] __should_failslab+0x9f/0xe0 [ 59.981905][ T6811] should_failslab+0x9/0x20 [ 59.981923][ T6811] kmem_cache_alloc+0x6a/0x340 [ 60.008019][ T6811] __kernfs_new_node+0x97/0x6d0 [ 60.012895][ T6811] ? lock_is_held_type+0xd5/0x140 [ 60.017930][ T6811] ? sysfs_do_create_link_sd+0x7b/0x110 [ 60.023495][ T6811] kernfs_new_node+0x97/0x170 [ 60.028183][ T6811] kernfs_create_link+0xbb/0x210 [ 60.033304][ T6811] sysfs_do_create_link_sd+0x89/0x110 [ 60.038688][ T6811] sysfs_create_link+0x68/0x80 [ 60.043466][ T6811] __netdev_adjacent_dev_insert+0x475/0x640 [ 60.049370][ T6811] ? raw_notifier_call_chain+0x152/0x170 [ 60.055015][ T6811] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 60.055047][ T6811] ? default_do_nmi+0x151/0x170 [ 60.055069][ T6811] ? check_preemption_disabled+0x5b/0x170 [ 60.055091][ T6811] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.055107][ T6811] ? lock_release+0x487/0x6f0 [ 60.055122][ T6811] ? rcu_lock_release+0xd/0x30 [ 60.055138][ T6811] ? netdev_master_upper_dev_link+0x47/0x90 [ 60.092045][ T6811] netdev_master_upper_dev_link+0x63/0x90 [ 60.097795][ T6811] batadv_hardif_enable_interface+0x2c4/0xac0 [ 60.103882][ T6811] ? rcu_lock_release+0x21/0x30 [ 60.108757][ T6811] batadv_softif_slave_add+0x9f/0x130 [ 60.114317][ T6811] do_setlink+0xd54/0x3df0 [ 60.118758][ T6811] ? __nla_validate_parse+0x1b43/0x2510 [ 60.124410][ T6811] ? rtnl_newlink+0x77/0x1b30 [ 60.129101][ T6811] ? __kasan_check_read+0x11/0x20 [ 60.129133][ T6811] rtnl_newlink+0x149b/0x1b30 [ 60.129175][ T6811] ? __kasan_check_read+0x11/0x20 [ 60.129193][ T6811] ? __lock_acquire+0x1283/0x55d0 [ 60.129268][ T6811] ? __mutex_lock_common+0x19c2/0x2f60 [ 60.139010][ T6811] ? rtnetlink_rcv_msg+0x848/0xd50 [ 60.139035][ T6811] ? check_preemption_disabled+0x5b/0x170 [ 60.139057][ T6811] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.139074][ T6811] ? lock_is_held_type+0xd5/0x140 [ 60.139098][ T6811] ? rtnl_setlink+0x410/0x410 [ 60.139119][ T6811] rtnetlink_rcv_msg+0x895/0xd50 [ 60.139144][ T6811] ? check_preemption_disabled+0x5b/0x170 [ 60.139161][ T6811] ? __local_bh_enable_ip+0x13d/0x1d0 [ 60.139177][ T6811] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.202512][ T6811] ? lockdep_hardirqs_on+0x7e/0x110 [ 60.207718][ T6811] ? __local_bh_enable_ip+0x13d/0x1d0 [ 60.213083][ T6811] ? local_bh_enable+0x9/0x30 [ 60.213106][ T6811] ? trace_hardirqs_on+0x7f/0x90 [ 60.213129][ T6811] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.213148][ T6811] ? lock_is_held_type+0xd5/0x140 [ 60.213169][ T6811] ? check_preemption_disabled+0x5b/0x170 [ 60.213190][ T6811] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.213205][ T6811] ? lock_release+0x487/0x6f0 [ 60.222811][ T6811] ? rcu_lock_release+0x9/0x30 [ 60.222847][ T6811] netlink_rcv_skb+0x19e/0x3e0 [ 60.222867][ T6811] ? rtnetlink_bind+0x80/0x80 [ 60.222904][ T6811] rtnetlink_rcv+0x1c/0x20 [ 60.222923][ T6811] netlink_unicast+0x766/0x920 [ 60.222953][ T6811] netlink_sendmsg+0x983/0xd20 [ 60.222980][ T6811] ? netlink_getsockopt+0xa60/0xa60 [ 60.283358][ T6811] ____sys_sendmsg+0x544/0x850 [ 60.288141][ T6811] ? import_iovec+0xe5/0x120 [ 60.292750][ T6811] __sys_sendmsg+0x2bf/0x370 [ 60.297360][ T6811] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.302914][ T6811] ? __f_unlock_pos+0x1c/0x20 [ 60.307619][ T6811] ? check_preemption_disabled+0x5b/0x170 [ 60.313346][ T6811] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 60.319342][ T6811] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.325004][ T6811] ? lockdep_hardirqs_on+0x7e/0x110 [ 60.330292][ T6811] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 60.336278][ T6811] __x64_sys_sendmsg+0x7f/0x90 [ 60.341244][ T6811] do_syscall_64+0x3f/0xb0 [ 60.345660][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 60.351572][ T6811] RIP: 0033:0x461229 [ 60.355452][ T6811] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 60.375055][ T6811] RSP: 002b:00007f74084e61a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.383458][ T6811] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 60.391434][ T6811] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 60.399410][ T6811] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 60.407402][ T6811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 60.415426][ T6811] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f74084e66bc [ 60.433504][ T6816] FAULT_INJECTION: forcing a failure. [ 60.433504][ T6816] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 60.447555][ T6816] CPU: 0 PID: 6816 Comm: syz-executor.2 Not tainted 5.13.0-rc4-syzkaller #0 [ 60.456244][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.466301][ T6816] Call Trace: [ 60.469583][ T6816] dump_stack+0x1d8/0x298 [ 60.474048][ T6816] should_fail+0x3c0/0x510 [ 60.478485][ T6816] should_fail_alloc_page+0x4f/0x60 [ 60.483691][ T6816] prepare_alloc_pages+0x1d3/0x5b0 [ 60.488811][ T6816] __alloc_pages+0xe0/0x500 [ 60.493675][ T6816] alloc_pages+0x2c9/0x4f0 [ 60.498081][ T6816] __get_free_pages+0xc/0x30 [ 60.502654][ T6816] __tlb_remove_page_size+0x20f/0x3e0 [ 60.508012][ T6816] unmap_page_range+0x154e/0x23a0 [ 60.513036][ T6816] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.518601][ T6816] unmap_single_vma+0x1d4/0x2e0 [ 60.523639][ T6816] unmap_vmas+0x15e/0x2b0 [ 60.527991][ T6816] exit_mmap+0x271/0x590 [ 60.532264][ T6816] __mmput+0x121/0x390 [ 60.536334][ T6816] ? mmput+0x5a/0x70 [ 60.540231][ T6816] mmput+0x62/0x70 [ 60.544042][ T6816] exit_mm+0x657/0x790 [ 60.548116][ T6816] ? taskstats_exit+0x480/0xbb0 [ 60.552982][ T6816] ? tty_audit_exit+0x147/0x1f0 [ 60.557843][ T6816] do_exit+0x649/0x2380 [ 60.562014][ T6816] ? get_signal+0x14fe/0x1d90 [ 60.566971][ T6816] do_group_exit+0x173/0x2f0 [ 60.571686][ T6816] ? lockdep_hardirqs_on+0x7e/0x110 [ 60.576917][ T6816] ? _raw_spin_unlock_irq+0x22/0x80 [ 60.576943][ T6816] get_signal+0x165d/0x1d90 [ 60.576959][ T6816] ? fput_many+0x15a/0x1a0 [ 60.576982][ T6816] ? __sys_sendmsg+0x334/0x370 [ 60.577031][ T6816] arch_do_signal_or_restart+0x4a/0x6b0 [ 60.577050][ T6816] ? check_preemption_disabled+0x5b/0x170 [ 60.577066][ T6816] ? exit_to_user_mode_prepare+0x4c/0x200 [ 60.577083][ T6816] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.577103][ T6816] exit_to_user_mode_prepare+0xc3/0x200 [ 60.577121][ T6816] syscall_exit_to_user_mode+0x84/0x1d0 [ 60.630547][ T6816] do_syscall_64+0x4b/0xb0 [ 60.634982][ T6816] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 60.640888][ T6816] RIP: 0033:0x461229 [ 60.644786][ T6816] Code: Unable to access opcode bytes at RIP 0x4611ff. [ 60.651718][ T6816] RSP: 002b:00007f6b3736f1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.660387][ T6816] RAX: 0000000000000028 RBX: 000000000052bf00 RCX: 0000000000461229 [ 60.668360][ T6816] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 60.676868][ T6816] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 60.685097][ T6816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 60.693088][ T6816] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f6b3736f6bc [ 60.709417][ T6832] FAULT_INJECTION: forcing a failure. [ 60.709417][ T6832] name failslab, interval 1, probability 0, space 0, times 0 [ 60.754019][ T6832] CPU: 0 PID: 6832 Comm: syz-executor.0 Not tainted 5.13.0-rc4-syzkaller #0 [ 60.762835][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.773825][ T6832] Call Trace: [ 60.777105][ T6832] dump_stack+0x1d8/0x298 [ 60.777130][ T6832] should_fail+0x3c0/0x510 [ 60.777154][ T6832] __should_failslab+0x9f/0xe0 [ 60.777173][ T6832] should_failslab+0x9/0x20 [ 60.777189][ T6832] kmem_cache_alloc+0x6a/0x340 [ 60.800329][ T6832] __kernfs_new_node+0x97/0x6d0 [ 60.805197][ T6832] ? lock_is_held_type+0xd5/0x140 [ 60.810234][ T6832] ? sysfs_do_create_link_sd+0x7b/0x110 [ 60.815813][ T6832] kernfs_new_node+0x97/0x170 [ 60.820613][ T6832] kernfs_create_link+0xbb/0x210 [ 60.825568][ T6832] sysfs_do_create_link_sd+0x89/0x110 [ 60.830953][ T6832] sysfs_create_link+0x68/0x80 [ 60.835723][ T6832] __netdev_adjacent_dev_insert+0x475/0x640 [ 60.835753][ T6832] ? raw_notifier_call_chain+0x60/0x170 [ 60.835778][ T6832] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 60.847192][ T6832] ? default_do_nmi+0x151/0x170 [ 60.847216][ T6832] ? check_preemption_disabled+0x5b/0x170 [ 60.847235][ T6832] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.847250][ T6832] ? lock_release+0x487/0x6f0 [ 60.847264][ T6832] ? rcu_lock_release+0xd/0x30 [ 60.847281][ T6832] ? netdev_master_upper_dev_link+0x47/0x90 [ 60.884774][ T6832] netdev_master_upper_dev_link+0x63/0x90 [ 60.890646][ T6832] batadv_hardif_enable_interface+0x2c4/0xac0 [ 60.896821][ T6832] ? rcu_lock_release+0x21/0x30 [ 60.902079][ T6832] batadv_softif_slave_add+0x9f/0x130 [ 60.907472][ T6832] do_setlink+0xd54/0x3df0 [ 60.907502][ T6832] ? __nla_validate_parse+0x1b43/0x2510 [ 60.917604][ T6832] ? rtnl_newlink+0x77/0x1b30 [ 60.917629][ T6832] ? __kasan_check_read+0x11/0x20 [ 60.917656][ T6832] rtnl_newlink+0x149b/0x1b30 [ 60.917692][ T6832] ? __kasan_check_read+0x11/0x20 [ 60.937261][ T6832] ? __lock_acquire+0x1283/0x55d0 [ 60.942365][ T6832] ? __mutex_lock_common+0x19c2/0x2f60 [ 60.947928][ T6832] ? rtnetlink_rcv_msg+0x848/0xd50 [ 60.953064][ T6832] ? check_preemption_disabled+0x5b/0x170 [ 60.958796][ T6832] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.964433][ T6832] ? lock_is_held_type+0xd5/0x140 [ 60.969466][ T6832] ? rtnl_setlink+0x410/0x410 [ 60.974374][ T6832] rtnetlink_rcv_msg+0x895/0xd50 [ 60.979389][ T6832] ? check_preemption_disabled+0x5b/0x170 [ 60.985100][ T6832] ? __local_bh_enable_ip+0x13d/0x1d0 [ 60.990477][ T6832] ? __this_cpu_preempt_check+0x1c/0x20 [ 60.996021][ T6832] ? lockdep_hardirqs_on+0x7e/0x110 [ 61.001204][ T6832] ? __local_bh_enable_ip+0x13d/0x1d0 [ 61.006561][ T6832] ? local_bh_enable+0x9/0x30 [ 61.011232][ T6832] ? trace_hardirqs_on+0x7f/0x90 [ 61.016156][ T6832] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.021776][ T6832] ? lock_is_held_type+0xd5/0x140 [ 61.026970][ T6832] ? check_preemption_disabled+0x5b/0x170 [ 61.032675][ T6832] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.038215][ T6832] ? lock_release+0x487/0x6f0 [ 61.042885][ T6832] ? rcu_lock_release+0x9/0x30 [ 61.047636][ T6832] netlink_rcv_skb+0x19e/0x3e0 [ 61.052380][ T6832] ? rtnetlink_bind+0x80/0x80 [ 61.057062][ T6832] rtnetlink_rcv+0x1c/0x20 [ 61.062616][ T6832] netlink_unicast+0x766/0x920 [ 61.068355][ T6832] netlink_sendmsg+0x983/0xd20 [ 61.073119][ T6832] ? netlink_getsockopt+0xa60/0xa60 [ 61.078301][ T6832] ____sys_sendmsg+0x544/0x850 [ 61.083151][ T6832] ? import_iovec+0xe5/0x120 [ 61.087751][ T6832] __sys_sendmsg+0x2bf/0x370 [ 61.092343][ T6832] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.098155][ T6832] ? __f_unlock_pos+0x1c/0x20 [ 61.102823][ T6832] ? check_preemption_disabled+0x5b/0x170 [ 61.108526][ T6832] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 61.114499][ T6832] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.120029][ T6832] ? lockdep_hardirqs_on+0x7e/0x110 [ 61.125205][ T6832] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 61.131179][ T6832] __x64_sys_sendmsg+0x7f/0x90 [ 61.136016][ T6832] do_syscall_64+0x3f/0xb0 [ 61.140414][ T6832] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 61.146373][ T6832] RIP: 0033:0x461229 [ 61.150250][ T6832] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 61.169924][ T6832] RSP: 002b:00007fd922c061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.178327][ T6832] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 61.186289][ T6832] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 61.194251][ T6832] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 61.202200][ T6832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 61.210157][ T6832] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007fd922c066bc [ 61.226776][ T6830] FAULT_INJECTION: forcing a failure. [ 61.226776][ T6830] name failslab, interval 1, probability 0, space 0, times 0 [ 61.268018][ T6830] CPU: 1 PID: 6830 Comm: syz-executor.3 Not tainted 5.13.0-rc4-syzkaller #0 [ 61.276735][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.286868][ T6830] Call Trace: [ 61.290163][ T6830] dump_stack+0x1d8/0x298 [ 61.294601][ T6830] should_fail+0x3c0/0x510 [ 61.299039][ T6830] __should_failslab+0x9f/0xe0 [ 61.303855][ T6830] should_failslab+0x9/0x20 [ 61.308365][ T6830] kmem_cache_alloc_node+0x74/0x2f0 [ 61.313584][ T6830] __alloc_skb+0xdd/0x760 [ 61.317933][ T6830] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 61.323407][ T6830] rtnetlink_event+0xf2/0x1b0 [ 61.323436][ T6830] raw_notifier_call_chain+0xff/0x170 [ 61.323464][ T6830] __netdev_upper_dev_link+0x9da/0x1ae0 [ 61.323494][ T6830] ? default_do_nmi+0x151/0x170 [ 61.323516][ T6830] ? check_preemption_disabled+0x5b/0x170 [ 61.323536][ T6830] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.339054][ T6830] ? lock_release+0x487/0x6f0 [ 61.339074][ T6830] ? rcu_lock_release+0xd/0x30 [ 61.339092][ T6830] ? netdev_master_upper_dev_link+0x47/0x90 [ 61.339119][ T6830] netdev_master_upper_dev_link+0x63/0x90 [ 61.339145][ T6830] batadv_hardif_enable_interface+0x2c4/0xac0 [ 61.339169][ T6830] ? rcu_lock_release+0x21/0x30 [ 61.339193][ T6830] batadv_softif_slave_add+0x9f/0x130 [ 61.339214][ T6830] do_setlink+0xd54/0x3df0 [ 61.339236][ T6830] ? __nla_validate_parse+0x1b43/0x2510 [ 61.339266][ T6830] ? rtnl_newlink+0x77/0x1b30 [ 61.339288][ T6830] ? __kasan_check_read+0x11/0x20 [ 61.339315][ T6830] rtnl_newlink+0x149b/0x1b30 [ 61.339350][ T6830] ? __kasan_check_read+0x11/0x20 [ 61.422018][ T6830] ? __lock_acquire+0x1283/0x55d0 [ 61.427108][ T6830] ? __mutex_lock_common+0x19c2/0x2f60 [ 61.432573][ T6830] ? rtnetlink_rcv_msg+0x848/0xd50 [ 61.437693][ T6830] ? check_preemption_disabled+0x5b/0x170 [ 61.443682][ T6830] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.449280][ T6830] ? lock_is_held_type+0xd5/0x140 [ 61.454316][ T6830] ? rtnl_setlink+0x410/0x410 [ 61.459005][ T6830] rtnetlink_rcv_msg+0x895/0xd50 [ 61.463962][ T6830] ? check_preemption_disabled+0x5b/0x170 [ 61.469693][ T6830] ? __local_bh_enable_ip+0x13d/0x1d0 [ 61.475088][ T6830] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.480637][ T6830] ? lockdep_hardirqs_on+0x7e/0x110 [ 61.485842][ T6830] ? __local_bh_enable_ip+0x13d/0x1d0 [ 61.491223][ T6830] ? local_bh_enable+0x9/0x30 [ 61.495903][ T6830] ? trace_hardirqs_on+0x7f/0x90 [ 61.500864][ T6830] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.500886][ T6830] ? lock_is_held_type+0xd5/0x140 [ 61.500908][ T6830] ? check_preemption_disabled+0x5b/0x170 [ 61.500929][ T6830] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.500945][ T6830] ? lock_release+0x487/0x6f0 [ 61.500960][ T6830] ? rcu_lock_release+0x9/0x30 [ 61.500992][ T6830] netlink_rcv_skb+0x19e/0x3e0 [ 61.501010][ T6830] ? rtnetlink_bind+0x80/0x80 [ 61.501041][ T6830] rtnetlink_rcv+0x1c/0x20 [ 61.523007][ T6830] netlink_unicast+0x766/0x920 [ 61.523047][ T6830] netlink_sendmsg+0x983/0xd20 [ 61.523079][ T6830] ? netlink_getsockopt+0xa60/0xa60 [ 61.523100][ T6830] ____sys_sendmsg+0x544/0x850 [ 61.523126][ T6830] ? import_iovec+0xe5/0x120 [ 61.523154][ T6830] __sys_sendmsg+0x2bf/0x370 [ 61.523182][ T6830] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.581033][ T6830] ? __f_unlock_pos+0x1c/0x20 [ 61.585740][ T6830] ? check_preemption_disabled+0x5b/0x170 [ 61.591464][ T6830] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 61.597450][ T6830] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.602993][ T6830] ? lockdep_hardirqs_on+0x7e/0x110 [ 61.608189][ T6830] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 61.614272][ T6830] __x64_sys_sendmsg+0x7f/0x90 [ 61.619219][ T6830] do_syscall_64+0x3f/0xb0 [ 61.623636][ T6830] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 61.629626][ T6830] RIP: 0033:0x461229 [ 61.633527][ T6830] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 61.653141][ T6830] RSP: 002b:00007f9d29cb51a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.661569][ T6830] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 61.669548][ T6830] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 61.677610][ T6830] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 61.685675][ T6830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 61.693774][ T6830] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9d29cb56bc [ 61.714199][ T6830] batman_adv: batadv0: Adding interface: bridge0 [ 61.721194][ T6830] batman_adv: batadv0: The MTU of interface bridge0 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. [ 61.754027][ T6830] batman_adv: batadv0: Interface activated: bridge0 [ 61.797106][ T6861] FAULT_INJECTION: forcing a failure. [ 61.797106][ T6861] name failslab, interval 1, probability 0, space 0, times 0 [ 61.850883][ T6861] CPU: 0 PID: 6861 Comm: syz-executor.4 Not tainted 5.13.0-rc4-syzkaller #0 [ 61.859678][ T6861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.859690][ T6861] Call Trace: [ 61.859698][ T6861] dump_stack+0x1d8/0x298 [ 61.859724][ T6861] should_fail+0x3c0/0x510 [ 61.873126][ T6861] __should_failslab+0x9f/0xe0 [ 61.873148][ T6861] should_failslab+0x9/0x20 [ 61.873166][ T6861] kmem_cache_alloc+0x6a/0x340 [ 61.896605][ T6861] __kernfs_new_node+0x97/0x6d0 [ 61.901478][ T6861] ? lock_is_held_type+0xd5/0x140 [ 61.906612][ T6861] ? sysfs_do_create_link_sd+0x7b/0x110 [ 61.912177][ T6861] kernfs_new_node+0x97/0x170 [ 61.916989][ T6861] kernfs_create_link+0xbb/0x210 [ 61.921944][ T6861] sysfs_do_create_link_sd+0x89/0x110 [ 61.927331][ T6861] sysfs_create_link+0x68/0x80 [ 61.932119][ T6861] __netdev_adjacent_dev_insert+0x475/0x640 [ 61.938044][ T6861] ? raw_notifier_call_chain+0x60/0x170 [ 61.938076][ T6861] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 61.938105][ T6861] ? default_do_nmi+0x151/0x170 [ 61.949163][ T6861] ? check_preemption_disabled+0x5b/0x170 [ 61.949187][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 61.949203][ T6861] ? lock_release+0x487/0x6f0 [ 61.949276][ T6861] ? rcu_lock_release+0xd/0x30 [ 61.949290][ T6861] ? netdev_master_upper_dev_link+0x47/0x90 [ 61.949305][ T6861] netdev_master_upper_dev_link+0x63/0x90 [ 61.949320][ T6861] batadv_hardif_enable_interface+0x2c4/0xac0 [ 61.949334][ T6861] ? rcu_lock_release+0x21/0x30 [ 61.949357][ T6861] batadv_softif_slave_add+0x9f/0x130 [ 61.949380][ T6861] do_setlink+0xd54/0x3df0 [ 61.949403][ T6861] ? __nla_validate_parse+0x1b43/0x2510 [ 61.949435][ T6861] ? rtnl_newlink+0x77/0x1b30 [ 61.949456][ T6861] ? __kasan_check_read+0x11/0x20 [ 61.949481][ T6861] rtnl_newlink+0x149b/0x1b30 [ 62.007561][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.007603][ T6861] ? __kasan_check_read+0x11/0x20 [ 62.007622][ T6861] ? __lock_acquire+0x1283/0x55d0 [ 62.007636][ T6861] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 62.007709][ T6861] ? __mutex_lock_common+0x19c2/0x2f60 [ 62.017837][ T6861] ? rtnetlink_rcv_msg+0x848/0xd50 [ 62.017863][ T6861] ? check_preemption_disabled+0x5b/0x170 [ 62.017885][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.017901][ T6861] ? lock_is_held_type+0xd5/0x140 [ 62.017922][ T6861] ? rtnl_setlink+0x410/0x410 [ 62.017942][ T6861] rtnetlink_rcv_msg+0x895/0xd50 [ 62.017968][ T6861] ? check_preemption_disabled+0x5b/0x170 [ 62.080485][ T6861] ? __local_bh_enable_ip+0x13d/0x1d0 [ 62.080510][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.080528][ T6861] ? lockdep_hardirqs_on+0x7e/0x110 [ 62.080545][ T6861] ? __local_bh_enable_ip+0x13d/0x1d0 [ 62.091189][ T6861] ? local_bh_enable+0x9/0x30 [ 62.091212][ T6861] ? trace_hardirqs_on+0x7f/0x90 [ 62.091235][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.091251][ T6861] ? lock_is_held_type+0xd5/0x140 [ 62.091271][ T6861] ? check_preemption_disabled+0x5b/0x170 [ 62.138511][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.144068][ T6861] ? lock_release+0x487/0x6f0 [ 62.148747][ T6861] ? rcu_lock_release+0x9/0x30 [ 62.153547][ T6861] netlink_rcv_skb+0x19e/0x3e0 [ 62.158343][ T6861] ? rtnetlink_bind+0x80/0x80 [ 62.163041][ T6861] rtnetlink_rcv+0x1c/0x20 [ 62.167456][ T6861] netlink_unicast+0x766/0x920 [ 62.172282][ T6861] netlink_sendmsg+0x983/0xd20 [ 62.177217][ T6861] ? netlink_getsockopt+0xa60/0xa60 [ 62.182402][ T6861] ____sys_sendmsg+0x544/0x850 [ 62.187192][ T6861] ? import_iovec+0xe5/0x120 [ 62.192388][ T6861] __sys_sendmsg+0x2bf/0x370 [ 62.196975][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.202530][ T6861] ? __f_unlock_pos+0x1c/0x20 [ 62.207213][ T6861] ? check_preemption_disabled+0x5b/0x170 [ 62.212917][ T6861] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 62.218982][ T6861] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.224599][ T6861] ? lockdep_hardirqs_on+0x7e/0x110 [ 62.229780][ T6861] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 62.235742][ T6861] __x64_sys_sendmsg+0x7f/0x90 [ 62.240491][ T6861] do_syscall_64+0x3f/0xb0 [ 62.244897][ T6861] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 62.250728][ T6861] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 62.256812][ T6861] RIP: 0033:0x461229 [ 62.260730][ T6861] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 62.280416][ T6861] RSP: 002b:00007f9eb73031a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.289005][ T6861] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 2021/06/06 13:04:19 executed programs: 40 [ 62.296979][ T6861] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 62.305046][ T6861] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 62.313002][ T6861] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 62.320959][ T6861] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9eb73036bc [ 62.376880][ T6877] FAULT_INJECTION: forcing a failure. [ 62.376880][ T6877] name failslab, interval 1, probability 0, space 0, times 0 [ 62.402828][ T6877] CPU: 1 PID: 6877 Comm: syz-executor.3 Not tainted 5.13.0-rc4-syzkaller #0 [ 62.411539][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.421594][ T6877] Call Trace: [ 62.421604][ T6877] dump_stack+0x1d8/0x298 [ 62.421631][ T6877] should_fail+0x3c0/0x510 [ 62.429473][ T6877] __should_failslab+0x9f/0xe0 [ 62.429496][ T6877] should_failslab+0x9/0x20 [ 62.429515][ T6877] kmem_cache_alloc+0x6a/0x340 [ 62.429541][ T6877] __kernfs_new_node+0x97/0x6d0 [ 62.429563][ T6877] ? lock_is_held_type+0xd5/0x140 [ 62.457794][ T6877] ? sysfs_do_create_link_sd+0x7b/0x110 [ 62.463368][ T6877] kernfs_new_node+0x97/0x170 [ 62.468061][ T6877] kernfs_create_link+0xbb/0x210 [ 62.473012][ T6877] sysfs_do_create_link_sd+0x89/0x110 [ 62.478396][ T6877] sysfs_create_link+0x68/0x80 [ 62.483177][ T6877] __netdev_adjacent_dev_insert+0x475/0x640 [ 62.489088][ T6877] ? raw_notifier_call_chain+0x152/0x170 [ 62.494766][ T6877] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 62.500321][ T6877] ? default_do_nmi+0x151/0x170 [ 62.500348][ T6877] ? check_preemption_disabled+0x5b/0x170 [ 62.500369][ T6877] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.500386][ T6877] ? lock_release+0x487/0x6f0 [ 62.500401][ T6877] ? rcu_lock_release+0xd/0x30 [ 62.510945][ T6877] ? netdev_master_upper_dev_link+0x47/0x90 [ 62.510979][ T6877] netdev_master_upper_dev_link+0x63/0x90 [ 62.511005][ T6877] batadv_hardif_enable_interface+0x2c4/0xac0 [ 62.511028][ T6877] ? rcu_lock_release+0x21/0x30 [ 62.511054][ T6877] batadv_softif_slave_add+0x9f/0x130 [ 62.554054][ T6877] do_setlink+0xd54/0x3df0 [ 62.558496][ T6877] ? __nla_validate_parse+0x1b43/0x2510 [ 62.564107][ T6877] ? rtnl_newlink+0x77/0x1b30 [ 62.568808][ T6877] ? __kasan_check_read+0x11/0x20 [ 62.573940][ T6877] rtnl_newlink+0x149b/0x1b30 [ 62.578655][ T6877] ? __kasan_check_read+0x11/0x20 [ 62.583682][ T6877] ? __lock_acquire+0x1283/0x55d0 [ 62.583773][ T6877] ? __mutex_lock_common+0x19c2/0x2f60 [ 62.583796][ T6877] ? rtnetlink_rcv_msg+0x848/0xd50 [ 62.599632][ T6877] ? check_preemption_disabled+0x5b/0x170 [ 62.599661][ T6877] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.599678][ T6877] ? lock_is_held_type+0xd5/0x140 [ 62.599703][ T6877] ? rtnl_setlink+0x410/0x410 [ 62.599725][ T6877] rtnetlink_rcv_msg+0x895/0xd50 [ 62.599751][ T6877] ? check_preemption_disabled+0x5b/0x170 [ 62.631302][ T6877] ? __local_bh_enable_ip+0x13d/0x1d0 [ 62.636685][ T6877] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.642241][ T6877] ? lockdep_hardirqs_on+0x7e/0x110 [ 62.647446][ T6877] ? __local_bh_enable_ip+0x13d/0x1d0 [ 62.652823][ T6877] ? local_bh_enable+0x9/0x30 [ 62.657507][ T6877] ? trace_hardirqs_on+0x7f/0x90 [ 62.662456][ T6877] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.668011][ T6877] ? lock_is_held_type+0xd5/0x140 [ 62.673049][ T6877] ? check_preemption_disabled+0x5b/0x170 [ 62.678877][ T6877] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.684426][ T6877] ? lock_release+0x487/0x6f0 [ 62.689103][ T6877] ? rcu_lock_release+0x9/0x30 [ 62.693897][ T6877] netlink_rcv_skb+0x19e/0x3e0 [ 62.698758][ T6877] ? rtnetlink_bind+0x80/0x80 [ 62.703580][ T6877] rtnetlink_rcv+0x1c/0x20 [ 62.707996][ T6877] netlink_unicast+0x766/0x920 [ 62.708032][ T6877] netlink_sendmsg+0x983/0xd20 [ 62.708062][ T6877] ? netlink_getsockopt+0xa60/0xa60 [ 62.717581][ T6877] ____sys_sendmsg+0x544/0x850 [ 62.717611][ T6877] ? import_iovec+0xe5/0x120 [ 62.717635][ T6877] __sys_sendmsg+0x2bf/0x370 [ 62.717662][ T6877] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.717680][ T6877] ? __f_unlock_pos+0x1c/0x20 [ 62.717715][ T6877] ? check_preemption_disabled+0x5b/0x170 [ 62.752893][ T6877] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 62.758971][ T6877] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.764535][ T6877] ? lockdep_hardirqs_on+0x7e/0x110 [ 62.769744][ T6877] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 62.775762][ T6877] __x64_sys_sendmsg+0x7f/0x90 [ 62.780712][ T6877] do_syscall_64+0x3f/0xb0 [ 62.785299][ T6877] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 62.791386][ T6877] RIP: 0033:0x461229 [ 62.795388][ T6877] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 62.815339][ T6877] RSP: 002b:00007f9d29cb51a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.823928][ T6877] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 62.832061][ T6877] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 62.840159][ T6877] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 62.848129][ T6877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 62.856095][ T6877] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9d29cb56bc [ 62.875981][ T6890] FAULT_INJECTION: forcing a failure. [ 62.875981][ T6890] name failslab, interval 1, probability 0, space 0, times 0 [ 62.922258][ T6890] CPU: 0 PID: 6890 Comm: syz-executor.2 Not tainted 5.13.0-rc4-syzkaller #0 [ 62.931172][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.941240][ T6890] Call Trace: [ 62.944635][ T6890] dump_stack+0x1d8/0x298 [ 62.944663][ T6890] should_fail+0x3c0/0x510 [ 62.944691][ T6890] __should_failslab+0x9f/0xe0 [ 62.944709][ T6890] should_failslab+0x9/0x20 [ 62.953441][ T6890] kmem_cache_alloc_node+0x74/0x2f0 [ 62.953476][ T6890] __alloc_skb+0xdd/0x760 [ 62.953503][ T6890] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 62.953530][ T6890] rtnetlink_event+0xf2/0x1b0 [ 62.982288][ T6890] raw_notifier_call_chain+0xff/0x170 [ 62.987680][ T6890] __netdev_upper_dev_link+0x9da/0x1ae0 [ 62.993249][ T6890] ? default_do_nmi+0x151/0x170 [ 62.998111][ T6890] ? check_preemption_disabled+0x5b/0x170 [ 63.003843][ T6890] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.009429][ T6890] ? lock_release+0x487/0x6f0 [ 63.014147][ T6890] ? rcu_lock_release+0xd/0x30 [ 63.019194][ T6890] ? netdev_master_upper_dev_link+0x47/0x90 [ 63.019226][ T6890] netdev_master_upper_dev_link+0x63/0x90 [ 63.019252][ T6890] batadv_hardif_enable_interface+0x2c4/0xac0 [ 63.019276][ T6890] ? rcu_lock_release+0x21/0x30 [ 63.019302][ T6890] batadv_softif_slave_add+0x9f/0x130 [ 63.030888][ T6890] do_setlink+0xd54/0x3df0 [ 63.030916][ T6890] ? __nla_validate_parse+0x1b43/0x2510 [ 63.030952][ T6890] ? rtnl_newlink+0x77/0x1b30 [ 63.030975][ T6890] ? __kasan_check_read+0x11/0x20 [ 63.031002][ T6890] rtnl_newlink+0x149b/0x1b30 [ 63.072013][ T6890] ? __kasan_check_read+0x11/0x20 [ 63.077226][ T6890] ? __lock_acquire+0x1283/0x55d0 [ 63.082326][ T6890] ? __mutex_lock_common+0x19c2/0x2f60 [ 63.087978][ T6890] ? rtnetlink_rcv_msg+0x848/0xd50 [ 63.093129][ T6890] ? check_preemption_disabled+0x5b/0x170 [ 63.093157][ T6890] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.093174][ T6890] ? lock_is_held_type+0xd5/0x140 [ 63.093198][ T6890] ? rtnl_setlink+0x410/0x410 [ 63.093222][ T6890] rtnetlink_rcv_msg+0x895/0xd50 [ 63.093248][ T6890] ? check_preemption_disabled+0x5b/0x170 [ 63.104494][ T6890] ? __local_bh_enable_ip+0x13d/0x1d0 [ 63.104514][ T6890] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.104531][ T6890] ? lockdep_hardirqs_on+0x7e/0x110 [ 63.104547][ T6890] ? __local_bh_enable_ip+0x13d/0x1d0 [ 63.104562][ T6890] ? local_bh_enable+0x9/0x30 [ 63.104580][ T6890] ? trace_hardirqs_on+0x7f/0x90 [ 63.104601][ T6890] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.162036][ T6890] ? lock_is_held_type+0xd5/0x140 [ 63.167077][ T6890] ? check_preemption_disabled+0x5b/0x170 [ 63.172805][ T6890] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.178371][ T6890] ? lock_release+0x487/0x6f0 [ 63.183056][ T6890] ? rcu_lock_release+0x9/0x30 [ 63.187839][ T6890] netlink_rcv_skb+0x19e/0x3e0 [ 63.192610][ T6890] ? rtnetlink_bind+0x80/0x80 [ 63.197311][ T6890] rtnetlink_rcv+0x1c/0x20 [ 63.202039][ T6890] netlink_unicast+0x766/0x920 [ 63.206918][ T6890] netlink_sendmsg+0x983/0xd20 [ 63.211680][ T6890] ? netlink_getsockopt+0xa60/0xa60 [ 63.216882][ T6890] ____sys_sendmsg+0x544/0x850 [ 63.221657][ T6890] ? import_iovec+0xe5/0x120 [ 63.226267][ T6890] __sys_sendmsg+0x2bf/0x370 [ 63.230853][ T6890] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.236393][ T6890] ? __f_unlock_pos+0x1c/0x20 [ 63.241172][ T6890] ? check_preemption_disabled+0x5b/0x170 [ 63.246876][ T6890] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 63.252848][ T6890] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.258557][ T6890] ? lockdep_hardirqs_on+0x7e/0x110 [ 63.263741][ T6890] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 63.269750][ T6890] __x64_sys_sendmsg+0x7f/0x90 [ 63.274515][ T6890] do_syscall_64+0x3f/0xb0 [ 63.278916][ T6890] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.285247][ T6890] RIP: 0033:0x461229 [ 63.289145][ T6890] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 63.308934][ T6890] RSP: 002b:00007f6b3736f1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.317330][ T6890] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 63.325286][ T6890] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 63.333278][ T6890] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 63.341237][ T6890] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 63.349192][ T6890] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f6b3736f6bc [ 63.363472][ T6890] batman_adv: batadv0: Adding interface: bridge0 [ 63.370401][ T6890] batman_adv: batadv0: The MTU of interface bridge0 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. [ 63.396428][ T6890] batman_adv: batadv0: Interface activated: bridge0 [ 63.408231][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 63.430251][ T6906] FAULT_INJECTION: forcing a failure. [ 63.430251][ T6906] name failslab, interval 1, probability 0, space 0, times 0 [ 63.456804][ T6906] CPU: 0 PID: 6906 Comm: syz-executor.0 Not tainted 5.13.0-rc4-syzkaller #0 [ 63.465640][ T6906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.465652][ T6906] Call Trace: [ 63.465660][ T6906] dump_stack+0x1d8/0x298 [ 63.465687][ T6906] should_fail+0x3c0/0x510 [ 63.465720][ T6906] __should_failslab+0x9f/0xe0 [ 63.465737][ T6906] should_failslab+0x9/0x20 [ 63.465754][ T6906] kmem_cache_alloc+0x6a/0x340 [ 63.465779][ T6906] __kernfs_new_node+0x97/0x6d0 [ 63.465801][ T6906] ? lock_is_held_type+0xd5/0x140 [ 63.465821][ T6906] ? sysfs_do_create_link_sd+0x7b/0x110 [ 63.465848][ T6906] kernfs_new_node+0x97/0x170 [ 63.465870][ T6906] kernfs_create_link+0xbb/0x210 [ 63.465891][ T6906] sysfs_do_create_link_sd+0x89/0x110 [ 63.479214][ T6906] sysfs_create_link+0x68/0x80 [ 63.537536][ T6906] __netdev_adjacent_dev_insert+0x475/0x640 [ 63.537575][ T6906] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 63.549153][ T6906] ? default_do_nmi+0x151/0x170 [ 63.549179][ T6906] ? check_preemption_disabled+0x5b/0x170 [ 63.549200][ T6906] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.549216][ T6906] ? lock_release+0x487/0x6f0 [ 63.549231][ T6906] ? rcu_lock_release+0xd/0x30 [ 63.549248][ T6906] ? netdev_master_upper_dev_link+0x47/0x90 [ 63.549271][ T6906] netdev_master_upper_dev_link+0x63/0x90 [ 63.586754][ T6906] batadv_hardif_enable_interface+0x2c4/0xac0 [ 63.592938][ T6906] ? rcu_lock_release+0x21/0x30 [ 63.597800][ T6906] batadv_softif_slave_add+0x9f/0x130 [ 63.603194][ T6906] do_setlink+0xd54/0x3df0 [ 63.607612][ T6906] ? __nla_validate_parse+0x1b43/0x2510 [ 63.613267][ T6906] ? rtnl_newlink+0x77/0x1b30 [ 63.618236][ T6906] ? __kasan_check_read+0x11/0x20 [ 63.623272][ T6906] rtnl_newlink+0x149b/0x1b30 [ 63.628055][ T6906] ? __kasan_check_read+0x11/0x20 [ 63.633180][ T6906] ? __lock_acquire+0x1283/0x55d0 [ 63.638220][ T6906] ? __mutex_lock_common+0x19c2/0x2f60 [ 63.643665][ T6906] ? rtnetlink_rcv_msg+0x848/0xd50 [ 63.648872][ T6906] ? check_preemption_disabled+0x5b/0x170 [ 63.654578][ T6906] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.660224][ T6906] ? lock_is_held_type+0xd5/0x140 [ 63.665247][ T6906] ? rtnl_setlink+0x410/0x410 [ 63.669909][ T6906] rtnetlink_rcv_msg+0x895/0xd50 [ 63.674842][ T6906] ? check_preemption_disabled+0x5b/0x170 [ 63.680572][ T6906] ? __local_bh_enable_ip+0x13d/0x1d0 [ 63.686173][ T6906] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.691735][ T6906] ? lockdep_hardirqs_on+0x7e/0x110 [ 63.696925][ T6906] ? __local_bh_enable_ip+0x13d/0x1d0 [ 63.702291][ T6906] ? local_bh_enable+0x9/0x30 [ 63.706974][ T6906] ? trace_hardirqs_on+0x7f/0x90 [ 63.711923][ T6906] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.717456][ T6906] ? lock_is_held_type+0xd5/0x140 [ 63.722490][ T6906] ? check_preemption_disabled+0x5b/0x170 [ 63.728204][ T6906] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.733850][ T6906] ? lock_release+0x487/0x6f0 [ 63.738721][ T6906] ? rcu_lock_release+0x9/0x30 [ 63.743527][ T6906] netlink_rcv_skb+0x19e/0x3e0 [ 63.748467][ T6906] ? rtnetlink_bind+0x80/0x80 [ 63.753151][ T6906] rtnetlink_rcv+0x1c/0x20 [ 63.757815][ T6906] netlink_unicast+0x766/0x920 [ 63.762684][ T6906] netlink_sendmsg+0x983/0xd20 [ 63.767437][ T6906] ? netlink_getsockopt+0xa60/0xa60 [ 63.772620][ T6906] ____sys_sendmsg+0x544/0x850 [ 63.777387][ T6906] ? import_iovec+0xe5/0x120 [ 63.782014][ T6906] __sys_sendmsg+0x2bf/0x370 [ 63.786595][ T6906] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.792140][ T6906] ? __f_unlock_pos+0x1c/0x20 [ 63.796809][ T6906] ? check_preemption_disabled+0x5b/0x170 [ 63.802509][ T6906] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 63.808667][ T6906] ? __this_cpu_preempt_check+0x1c/0x20 [ 63.814193][ T6906] ? lockdep_hardirqs_on+0x7e/0x110 [ 63.819387][ T6906] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 63.825363][ T6906] __x64_sys_sendmsg+0x7f/0x90 [ 63.830113][ T6906] do_syscall_64+0x3f/0xb0 [ 63.834509][ T6906] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.841077][ T6906] RIP: 0033:0x461229 [ 63.844966][ T6906] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 63.865197][ T6906] RSP: 002b:00007fd922c061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.873607][ T6906] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 63.881675][ T6906] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 63.889635][ T6906] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 63.897589][ T6906] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 63.905540][ T6906] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007fd922c066bc [ 63.942555][ T6911] FAULT_INJECTION: forcing a failure. [ 63.942555][ T6911] name failslab, interval 1, probability 0, space 0, times 0 [ 63.957445][ T7] batman_adv: forw_packet->if_outgoing->soft_iface=0000000000000000 forw_packet->if_incoming->soft_iface=0000000039fa85b7 [ 63.972912][ T6911] CPU: 1 PID: 6911 Comm: syz-executor.3 Not tainted 5.13.0-rc4-syzkaller #0 [ 63.981618][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.981630][ T6911] Call Trace: [ 63.981638][ T6911] dump_stack+0x1d8/0x298 [ 63.981664][ T6911] should_fail+0x3c0/0x510 [ 63.981692][ T6911] __should_failslab+0x9f/0xe0 [ 63.981708][ T6911] ? __kernfs_new_node+0x4c/0x6d0 [ 63.981725][ T6911] should_failslab+0x9/0x20 [ 63.995612][ T6911] __kmalloc_track_caller+0x90/0x390 [ 63.995634][ T6911] ? __kernfs_new_node+0x4c/0x6d0 [ 63.995650][ T6911] ? netlink_unicast+0x766/0x920 [ 63.995674][ T6911] kstrdup_const+0x55/0x90 [ 63.995695][ T6911] __kernfs_new_node+0x4c/0x6d0 [ 63.995716][ T6911] ? lock_is_held_type+0xd5/0x140 [ 63.995735][ T6911] ? sysfs_do_create_link_sd+0x7b/0x110 [ 63.995760][ T6911] kernfs_new_node+0x97/0x170 [ 63.995781][ T6911] kernfs_create_link+0xbb/0x210 [ 63.995802][ T6911] sysfs_do_create_link_sd+0x89/0x110 [ 63.995822][ T6911] sysfs_create_link+0x68/0x80 [ 64.048395][ T7] batman_adv: forw_packet->if_incoming->soft_iface->name=batadv0 [ 64.053917][ T6911] __netdev_adjacent_dev_insert+0x475/0x640 [ 64.053951][ T6911] ? raw_notifier_call_chain+0x152/0x170 [ 64.053979][ T6911] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 64.054008][ T6911] ? default_do_nmi+0x151/0x170 [ 64.054027][ T6911] ? check_preemption_disabled+0x5b/0x170 [ 64.062554][ T7] ------------[ cut here ]------------ [ 64.063620][ T6911] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.063644][ T6911] ? lock_release+0x487/0x6f0 [ 64.063660][ T6911] ? rcu_lock_release+0xd/0x30 [ 64.063679][ T6911] ? netdev_master_upper_dev_link+0x47/0x90 [ 64.063705][ T6911] netdev_master_upper_dev_link+0x63/0x90 [ 64.063730][ T6911] batadv_hardif_enable_interface+0x2c4/0xac0 [ 64.071991][ T7] WARNING: CPU: 0 PID: 7 at net/batman-adv/bat_iv_ogm.c:423 batadv_iv_send_outstanding_bat_ogm_packet+0x58d/0x820 [ 64.073831][ T6911] ? rcu_lock_release+0x21/0x30 [ 64.073863][ T6911] batadv_softif_slave_add+0x9f/0x130 [ 64.073887][ T6911] do_setlink+0xd54/0x3df0 [ 64.073912][ T6911] ? __nla_validate_parse+0x1b43/0x2510 [ 64.073945][ T6911] ? rtnl_newlink+0x77/0x1b30 [ 64.084230][ T7] Modules linked in: [ 64.087627][ T6911] ? __kasan_check_read+0x11/0x20 [ 64.087661][ T6911] rtnl_newlink+0x149b/0x1b30 [ 64.087702][ T6911] ? __kasan_check_read+0x11/0x20 [ 64.087720][ T6911] ? __lock_acquire+0x1283/0x55d0 [ 64.087802][ T6911] ? __mutex_lock_common+0x19c2/0x2f60 [ 64.087823][ T6911] ? rtnetlink_rcv_msg+0x848/0xd50 [ 64.095207][ T7] [ 64.098954][ T6911] ? check_preemption_disabled+0x5b/0x170 [ 64.098980][ T6911] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.098997][ T6911] ? lock_is_held_type+0xd5/0x140 [ 64.099021][ T6911] ? rtnl_setlink+0x410/0x410 [ 64.099043][ T6911] rtnetlink_rcv_msg+0x895/0xd50 [ 64.099069][ T6911] ? check_preemption_disabled+0x5b/0x170 [ 64.107985][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.13.0-rc4-syzkaller #0 [ 64.109648][ T6911] ? __local_bh_enable_ip+0x13d/0x1d0 [ 64.109671][ T6911] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.109688][ T6911] ? lockdep_hardirqs_on+0x7e/0x110 [ 64.109706][ T6911] ? __local_bh_enable_ip+0x13d/0x1d0 [ 64.109720][ T6911] ? local_bh_enable+0x9/0x30 [ 64.109737][ T6911] ? trace_hardirqs_on+0x7f/0x90 [ 64.109759][ T6911] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.120232][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.120732][ T6911] ? lock_is_held_type+0xd5/0x140 [ 64.126398][ T7] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 64.130142][ T6911] ? check_preemption_disabled+0x5b/0x170 [ 64.130177][ T6911] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.130194][ T6911] ? lock_release+0x487/0x6f0 [ 64.130209][ T6911] ? rcu_lock_release+0x9/0x30 [ 64.130240][ T6911] netlink_rcv_skb+0x19e/0x3e0 [ 64.130258][ T6911] ? rtnetlink_bind+0x80/0x80 [ 64.139150][ T7] [ 64.142187][ T6911] rtnetlink_rcv+0x1c/0x20 [ 64.142212][ T6911] netlink_unicast+0x766/0x920 [ 64.142246][ T6911] netlink_sendmsg+0x983/0xd20 [ 64.142277][ T6911] ? netlink_getsockopt+0xa60/0xa60 [ 64.150468][ T7] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x58d/0x820 [ 64.160451][ T6911] ____sys_sendmsg+0x544/0x850 [ 64.160481][ T6911] ? import_iovec+0xe5/0x120 [ 64.160513][ T6911] __sys_sendmsg+0x2bf/0x370 [ 64.160544][ T6911] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.160560][ T6911] ? __f_unlock_pos+0x1c/0x20 [ 64.160597][ T6911] ? check_preemption_disabled+0x5b/0x170 [ 64.160614][ T6911] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 64.160635][ T6911] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.169003][ T7] Code: 85 ba 01 00 00 e8 a3 18 90 f9 4c 8b 75 d0 49 bf 00 00 00 00 00 fc ff df 48 8b 5d c8 48 85 db 0f 85 b5 01 00 00 e8 83 18 90 f9 <0f> 0b e9 d0 00 00 00 e8 77 18 90 f9 4c 8b 6d b8 48 8b 5d c0 48 89 [ 64.170827][ T6911] ? lockdep_hardirqs_on+0x7e/0x110 [ 64.170848][ T6911] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 64.170872][ T6911] __x64_sys_sendmsg+0x7f/0x90 [ 64.170895][ T6911] do_syscall_64+0x3f/0xb0 [ 64.170914][ T6911] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 64.170932][ T6911] RIP: 0033:0x461229 [ 64.178434][ T7] RSP: 0018:ffff888100397c40 EFLAGS: 00010246 [ 64.181051][ T6911] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 64.181068][ T6911] RSP: 002b:00007f9d29cb51a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.181089][ T6911] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 64.181101][ T6911] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 64.181112][ T6911] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 64.181123][ T6911] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 64.181134][ T6911] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9d29cb56bc [ 64.192674][ T6910] FAULT_INJECTION: forcing a failure. [ 64.192674][ T6910] name failslab, interval 1, probability 0, space 0, times 0 [ 64.215985][ T7] [ 64.268997][ T6910] CPU: 0 PID: 6910 Comm: syz-executor.1 Not tainted 5.13.0-rc4-syzkaller #0 [ 64.274838][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.274849][ T6910] Call Trace: [ 64.274857][ T6910] dump_stack+0x1d8/0x298 [ 64.274882][ T6910] should_fail+0x3c0/0x510 [ 64.284794][ T7] RAX: 000000000000003e RBX: ffff8881187cc000 RCX: e3de4eb027773300 [ 64.285424][ T6910] __should_failslab+0x9f/0xe0 [ 64.285449][ T6910] should_failslab+0x9/0x20 [ 64.285467][ T6910] kmem_cache_alloc+0x6a/0x340 [ 64.299043][ T7] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 64.301483][ T6910] __kernfs_new_node+0x97/0x6d0 [ 64.301513][ T6910] ? lock_is_held_type+0xd5/0x140 [ 64.301533][ T6910] ? sysfs_do_create_link_sd+0x7b/0x110 [ 64.339602][ T7] RBP: ffff888100397cd8 R08: ffffffff816319d5 R09: ffffed103ec86168 [ 64.340455][ T6910] kernfs_new_node+0x97/0x170 [ 64.340485][ T6910] kernfs_create_link+0xbb/0x210 [ 64.340507][ T6910] sysfs_do_create_link_sd+0x89/0x110 [ 64.352120][ T7] R10: ffffed103ec86168 R11: 0000000000000000 R12: ffff8881187cc000 [ 64.354767][ T6910] sysfs_create_link+0x68/0x80 [ 64.354796][ T6910] __netdev_adjacent_dev_insert+0x475/0x640 [ 64.354820][ T6910] ? raw_notifier_call_chain+0x152/0x170 [ 64.361538][ T6910] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 64.366454][ T7] R13: ffff888100b63c48 R14: ffff888100b63c00 R15: dffffc0000000000 [ 64.371048][ T6910] ? default_do_nmi+0x151/0x170 [ 64.371073][ T6910] ? check_preemption_disabled+0x5b/0x170 [ 64.371094][ T6910] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.384048][ T6910] ? lock_release+0x487/0x6f0 [ 64.384067][ T6910] ? rcu_lock_release+0xd/0x30 [ 64.384085][ T6910] ? netdev_master_upper_dev_link+0x47/0x90 [ 64.384110][ T6910] netdev_master_upper_dev_link+0x63/0x90 [ 64.389353][ T7] FS: 0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 [ 64.393437][ T6910] batadv_hardif_enable_interface+0x2c4/0xac0 [ 64.393465][ T6910] ? rcu_lock_release+0x21/0x30 [ 64.393490][ T6910] batadv_softif_slave_add+0x9f/0x130 [ 64.401579][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.403582][ T6910] do_setlink+0xd54/0x3df0 [ 64.403612][ T6910] ? __nla_validate_parse+0x1b43/0x2510 [ 64.414104][ T7] CR2: 000055e995d29478 CR3: 0000000107587006 CR4: 00000000001706e0 [ 64.419954][ T6910] ? rtnl_newlink+0x77/0x1b30 [ 64.419983][ T6910] ? __kasan_check_read+0x11/0x20 [ 64.420012][ T6910] rtnl_newlink+0x149b/0x1b30 [ 64.420049][ T6910] ? __kasan_check_read+0x11/0x20 [ 64.441221][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.445328][ T6910] ? __lock_acquire+0x1283/0x55d0 [ 64.445415][ T6910] ? __mutex_lock_common+0x19c2/0x2f60 [ 64.463038][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.465716][ T6910] ? rtnetlink_rcv_msg+0x848/0xd50 [ 64.465746][ T6910] ? check_preemption_disabled+0x5b/0x170 [ 64.465768][ T6910] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.465783][ T6910] ? lock_is_held_type+0xd5/0x140 [ 64.465806][ T6910] ? rtnl_setlink+0x410/0x410 [ 64.474426][ T7] Call Trace: [ 64.475637][ T6910] rtnetlink_rcv_msg+0x895/0xd50 [ 64.475660][ T6910] ? lock_is_held_type+0xd5/0x140 [ 64.475696][ T6910] ? _raw_spin_unlock_irqrestore+0x30/0x90 [ 64.475715][ T6910] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.484438][ T7] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.501363][ T6910] ? lockdep_hardirqs_on+0x7e/0x110 [ 64.501385][ T6910] ? _raw_spin_unlock_irqrestore+0x30/0x90 [ 64.501409][ T6910] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.501424][ T6910] ? lock_is_held_type+0xd5/0x140 [ 64.501442][ T6910] ? check_preemption_disabled+0x5b/0x170 [ 64.501461][ T6910] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.501476][ T6910] ? lock_release+0x487/0x6f0 [ 64.510294][ T7] process_one_work+0x7ce/0x1040 [ 64.517815][ T6910] ? rcu_lock_release+0x9/0x30 [ 64.517848][ T6910] netlink_rcv_skb+0x19e/0x3e0 [ 64.517867][ T6910] ? rtnetlink_bind+0x80/0x80 [ 64.517896][ T6910] rtnetlink_rcv+0x1c/0x20 [ 64.517913][ T6910] netlink_unicast+0x766/0x920 [ 64.526365][ T7] worker_thread+0xb60/0x1420 [ 64.534133][ T6910] netlink_sendmsg+0x983/0xd20 [ 64.534169][ T6910] ? netlink_getsockopt+0xa60/0xa60 [ 64.534187][ T6910] ____sys_sendmsg+0x544/0x850 [ 64.542650][ T7] kthread+0x3b0/0x3d0 [ 64.550109][ T6910] ? import_iovec+0xe5/0x120 [ 64.550138][ T6910] __sys_sendmsg+0x2bf/0x370 [ 64.550168][ T6910] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.550185][ T6910] ? __f_unlock_pos+0x1c/0x20 [ 64.550219][ T6910] ? check_preemption_disabled+0x5b/0x170 [ 64.563964][ T7] ? rcu_lock_release+0x30/0x30 [ 64.565859][ T6910] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 64.565884][ T6910] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.565900][ T6910] ? lockdep_hardirqs_on+0x7e/0x110 [ 64.565917][ T6910] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 64.565938][ T6910] __x64_sys_sendmsg+0x7f/0x90 [ 64.574977][ T7] ? kthread_blkcg+0xe0/0xe0 [ 64.584641][ T6910] do_syscall_64+0x3f/0xb0 [ 64.584666][ T6910] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 64.584684][ T6910] RIP: 0033:0x461229 [ 64.584700][ T6910] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 64.588653][ T7] ret_from_fork+0x1f/0x30 [ 64.592294][ T6910] RSP: 002b:00007f74084e61a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.592316][ T6910] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 64.592328][ T6910] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 64.592339][ T6910] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 64.592349][ T6910] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 64.592359][ T6910] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f74084e66bc [ 64.597254][ T7] irq event stamp: 429111 [ 64.653819][ T6912] FAULT_INJECTION: forcing a failure. [ 64.653819][ T6912] name failslab, interval 1, probability 0, space 0, times 0 [ 64.660140][ T7] hardirqs last enabled at (430057): [] _raw_spin_unlock_irq+0x22/0x80 [ 64.677669][ T6912] CPU: 0 PID: 6912 Comm: syz-executor.5 Not tainted 5.13.0-rc4-syzkaller #0 [ 64.683121][ T7] hardirqs last disabled at (430098): [] __schedule+0x10c/0x10c0 [ 64.687689][ T6912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.687702][ T6912] Call Trace: [ 64.687711][ T6912] dump_stack+0x1d8/0x298 [ 64.687736][ T6912] should_fail+0x3c0/0x510 [ 64.687761][ T6912] __should_failslab+0x9f/0xe0 [ 64.687778][ T6912] should_failslab+0x9/0x20 [ 64.687796][ T6912] kmem_cache_alloc_node+0x74/0x2f0 [ 64.687821][ T6912] __alloc_skb+0xdd/0x760 [ 64.687844][ T6912] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 64.687872][ T6912] rtnetlink_event+0xf2/0x1b0 [ 64.687894][ T6912] raw_notifier_call_chain+0xff/0x170 [ 64.687919][ T6912] __netdev_upper_dev_link+0x9da/0x1ae0 [ 64.687945][ T6912] ? default_do_nmi+0x151/0x170 [ 64.687967][ T6912] ? check_preemption_disabled+0x5b/0x170 [ 64.687986][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.700147][ T7] softirqs last enabled at (430192): [] __irq_exit_rcu+0x213/0x240 [ 64.707081][ T6912] ? lock_release+0x487/0x6f0 [ 64.707100][ T6912] ? rcu_lock_release+0xd/0x30 [ 64.707118][ T6912] ? netdev_master_upper_dev_link+0x47/0x90 [ 64.707144][ T6912] netdev_master_upper_dev_link+0x63/0x90 [ 64.707168][ T6912] batadv_hardif_enable_interface+0x2c4/0xac0 [ 64.707190][ T6912] ? rcu_lock_release+0x21/0x30 [ 64.715396][ T7] softirqs last disabled at (430107): [] __irq_exit_rcu+0x213/0x240 [ 64.717944][ T6912] batadv_softif_slave_add+0x9f/0x130 [ 64.717971][ T6912] do_setlink+0xd54/0x3df0 [ 64.717996][ T6912] ? __nla_validate_parse+0x1b43/0x2510 [ 64.723708][ T7] ---[ end trace 9e1489d417de7f7d ]--- [ 64.728369][ T6912] ? rtnl_newlink+0x77/0x1b30 [ 64.728396][ T6912] ? __kasan_check_read+0x11/0x20 [ 64.728422][ T6912] rtnl_newlink+0x149b/0x1b30 [ 64.728441][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.728472][ T6912] ? __kasan_check_read+0x11/0x20 [ 64.794637][ T6912] ? __lock_acquire+0x1283/0x55d0 [ 64.794662][ T6912] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 64.794740][ T6912] ? __mutex_lock_common+0x19c2/0x2f60 [ 64.804474][ T6912] ? rtnetlink_rcv_msg+0x848/0xd50 [ 64.804500][ T6912] ? check_preemption_disabled+0x5b/0x170 [ 64.804522][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 64.804537][ T6912] ? lock_is_held_type+0xd5/0x140 [ 65.401253][ T6912] ? rtnl_setlink+0x410/0x410 [ 65.405962][ T6912] rtnetlink_rcv_msg+0x895/0xd50 [ 65.410914][ T6912] ? check_preemption_disabled+0x5b/0x170 [ 65.416638][ T6912] ? __local_bh_enable_ip+0x13d/0x1d0 [ 65.422004][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.427536][ T6912] ? lockdep_hardirqs_on+0x7e/0x110 [ 65.432738][ T6912] ? __local_bh_enable_ip+0x13d/0x1d0 [ 65.438129][ T6912] ? local_bh_enable+0x9/0x30 [ 65.442845][ T6912] ? trace_hardirqs_on+0x7f/0x90 [ 65.448050][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.453602][ T6912] ? lock_is_held_type+0xd5/0x140 [ 65.458617][ T6912] ? check_preemption_disabled+0x5b/0x170 [ 65.464337][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.469875][ T6912] ? lock_release+0x487/0x6f0 [ 65.474535][ T6912] ? rcu_lock_release+0x9/0x30 [ 65.479304][ T6912] netlink_rcv_skb+0x19e/0x3e0 [ 65.484061][ T6912] ? rtnetlink_bind+0x80/0x80 [ 65.488731][ T6912] rtnetlink_rcv+0x1c/0x20 [ 65.493149][ T6912] netlink_unicast+0x766/0x920 [ 65.497918][ T6912] netlink_sendmsg+0x983/0xd20 [ 65.502674][ T6912] ? netlink_getsockopt+0xa60/0xa60 [ 65.507889][ T6912] ____sys_sendmsg+0x544/0x850 [ 65.512641][ T6912] ? import_iovec+0xe5/0x120 [ 65.517228][ T6912] __sys_sendmsg+0x2bf/0x370 [ 65.521848][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.527399][ T6912] ? __f_unlock_pos+0x1c/0x20 [ 65.532095][ T6912] ? check_preemption_disabled+0x5b/0x170 [ 65.538127][ T6912] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 65.544140][ T6912] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.549765][ T6912] ? lockdep_hardirqs_on+0x7e/0x110 [ 65.554952][ T6912] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 65.561052][ T6912] __x64_sys_sendmsg+0x7f/0x90 [ 65.565900][ T6912] do_syscall_64+0x3f/0xb0 [ 65.570666][ T6912] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 65.576658][ T6912] RIP: 0033:0x461229 [ 65.580607][ T6912] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 65.600293][ T6912] RSP: 002b:00007f2d12b061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 65.608701][ T6912] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 65.616679][ T6912] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 65.624679][ T6912] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 65.632909][ T6912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 65.640881][ T6912] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f2d12b066bc [ 65.652762][ T6912] batman_adv: batadv0: Adding interface: ip6gretap0 [ 65.659560][ T6912] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) 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. [ 65.685949][ T6912] batman_adv: batadv0: Interface activated: ip6gretap0 [ 65.699018][ T6919] FAULT_INJECTION: forcing a failure. [ 65.699018][ T6919] name failslab, interval 1, probability 0, space 0, times 0 [ 65.713492][ T6919] CPU: 0 PID: 6919 Comm: syz-executor.2 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 65.723826][ T6919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.734179][ T6919] Call Trace: [ 65.737465][ T6919] dump_stack+0x1d8/0x298 [ 65.741913][ T6919] should_fail+0x3c0/0x510 [ 65.746348][ T6919] __should_failslab+0x9f/0xe0 [ 65.751219][ T6919] should_failslab+0x9/0x20 [ 65.751243][ T6919] kmem_cache_alloc_node+0x74/0x2f0 [ 65.751273][ T6919] __alloc_skb+0xdd/0x760 [ 65.751296][ T6919] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 65.761054][ T6919] rtnetlink_event+0xf2/0x1b0 [ 65.761082][ T6919] raw_notifier_call_chain+0xff/0x170 [ 65.761109][ T6919] __netdev_upper_dev_link+0x9da/0x1ae0 [ 65.786403][ T6919] ? default_do_nmi+0x151/0x170 [ 65.791363][ T6919] ? check_preemption_disabled+0x5b/0x170 [ 65.797194][ T6919] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.802747][ T6919] ? lock_release+0x487/0x6f0 [ 65.807523][ T6919] ? rcu_lock_release+0xd/0x30 [ 65.812665][ T6919] ? netdev_master_upper_dev_link+0x47/0x90 [ 65.818567][ T6919] netdev_master_upper_dev_link+0x63/0x90 [ 65.824322][ T6919] batadv_hardif_enable_interface+0x2c4/0xac0 [ 65.830539][ T6919] ? rcu_lock_release+0x21/0x30 [ 65.835431][ T6919] batadv_softif_slave_add+0x9f/0x130 [ 65.840822][ T6919] do_setlink+0xd54/0x3df0 [ 65.845259][ T6919] ? __nla_validate_parse+0x1b43/0x2510 [ 65.850818][ T6919] ? rtnl_newlink+0x77/0x1b30 [ 65.855504][ T6919] ? __kasan_check_read+0x11/0x20 [ 65.860530][ T6919] rtnl_newlink+0x149b/0x1b30 [ 65.865221][ T6919] ? __kasan_check_read+0x11/0x20 [ 65.870246][ T6919] ? __lock_acquire+0x1283/0x55d0 [ 65.875299][ T6919] ? __mutex_lock_common+0x19c2/0x2f60 [ 65.880750][ T6919] ? rtnetlink_rcv_msg+0x848/0xd50 [ 65.885853][ T6919] ? check_preemption_disabled+0x5b/0x170 [ 65.891581][ T6919] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.897133][ T6919] ? lock_is_held_type+0xd5/0x140 [ 65.902427][ T6919] ? rtnl_setlink+0x410/0x410 [ 65.907109][ T6919] rtnetlink_rcv_msg+0x895/0xd50 [ 65.912050][ T6919] ? check_preemption_disabled+0x5b/0x170 [ 65.917766][ T6919] ? __local_bh_enable_ip+0x13d/0x1d0 [ 65.923212][ T6919] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.928743][ T6919] ? lockdep_hardirqs_on+0x7e/0x110 [ 65.933928][ T6919] ? __local_bh_enable_ip+0x13d/0x1d0 [ 65.939297][ T6919] ? local_bh_enable+0x9/0x30 [ 65.943962][ T6919] ? trace_hardirqs_on+0x7f/0x90 [ 65.948885][ T6919] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.954414][ T6919] ? lock_is_held_type+0xd5/0x140 [ 65.959429][ T6919] ? check_preemption_disabled+0x5b/0x170 [ 65.965501][ T6919] ? __this_cpu_preempt_check+0x1c/0x20 [ 65.971049][ T6919] ? lock_release+0x487/0x6f0 [ 65.975719][ T6919] ? rcu_lock_release+0x9/0x30 [ 65.980480][ T6919] netlink_rcv_skb+0x19e/0x3e0 [ 65.985249][ T6919] ? rtnetlink_bind+0x80/0x80 [ 65.989921][ T6919] rtnetlink_rcv+0x1c/0x20 [ 65.994321][ T6919] netlink_unicast+0x766/0x920 [ 65.999073][ T6919] netlink_sendmsg+0x983/0xd20 [ 66.003824][ T6919] ? netlink_getsockopt+0xa60/0xa60 [ 66.009007][ T6919] ____sys_sendmsg+0x544/0x850 [ 66.013856][ T6919] ? import_iovec+0xe5/0x120 [ 66.018432][ T6919] __sys_sendmsg+0x2bf/0x370 [ 66.023021][ T6919] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.028566][ T6919] ? __f_unlock_pos+0x1c/0x20 [ 66.033252][ T6919] ? check_preemption_disabled+0x5b/0x170 [ 66.039045][ T6919] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 66.045010][ T6919] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.050648][ T6919] ? lockdep_hardirqs_on+0x7e/0x110 [ 66.055857][ T6919] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 66.061829][ T6919] __x64_sys_sendmsg+0x7f/0x90 [ 66.066603][ T6919] do_syscall_64+0x3f/0xb0 [ 66.071022][ T6919] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.076932][ T6919] RIP: 0033:0x461229 [ 66.080818][ T6919] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 66.100913][ T6919] RSP: 002b:00007f6b3736f1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.109640][ T6919] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 66.117626][ T6919] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 66.125783][ T6919] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 66.133754][ T6919] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 66.141892][ T6919] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f6b3736f6bc [ 66.152725][ T6919] batman_adv: batadv0: Adding interface: bond0 [ 66.159116][ T6919] batman_adv: batadv0: The MTU of interface bond0 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. [ 66.184958][ T6919] batman_adv: batadv0: Interface activated: bond0 [ 66.216120][ T6932] FAULT_INJECTION: forcing a failure. [ 66.216120][ T6932] name failslab, interval 1, probability 0, space 0, times 0 [ 66.240606][ T6932] CPU: 1 PID: 6932 Comm: syz-executor.0 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 66.250794][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.260955][ T6932] Call Trace: [ 66.264413][ T6932] dump_stack+0x1d8/0x298 [ 66.264442][ T6932] should_fail+0x3c0/0x510 [ 66.264469][ T6932] __should_failslab+0x9f/0xe0 [ 66.278010][ T6932] should_failslab+0x9/0x20 [ 66.278032][ T6932] kmem_cache_alloc+0x6a/0x340 [ 66.278056][ T6932] __kernfs_new_node+0x97/0x6d0 [ 66.278077][ T6932] ? lock_is_held_type+0xd5/0x140 [ 66.278098][ T6932] ? sysfs_do_create_link_sd+0x7b/0x110 [ 66.278126][ T6932] kernfs_new_node+0x97/0x170 [ 66.278147][ T6932] kernfs_create_link+0xbb/0x210 [ 66.278168][ T6932] sysfs_do_create_link_sd+0x89/0x110 [ 66.278188][ T6932] sysfs_create_link+0x68/0x80 [ 66.278205][ T6932] __netdev_adjacent_dev_insert+0x475/0x640 [ 66.278237][ T6932] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 66.334007][ T6932] ? default_do_nmi+0x151/0x170 [ 66.338880][ T6932] ? check_preemption_disabled+0x5b/0x170 [ 66.344612][ T6932] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.350170][ T6932] ? lock_release+0x487/0x6f0 [ 66.354853][ T6932] ? rcu_lock_release+0xd/0x30 [ 66.359655][ T6932] ? netdev_master_upper_dev_link+0x47/0x90 [ 66.365553][ T6932] netdev_master_upper_dev_link+0x63/0x90 [ 66.365584][ T6932] batadv_hardif_enable_interface+0x2c4/0xac0 [ 66.365607][ T6932] ? rcu_lock_release+0x21/0x30 [ 66.365632][ T6932] batadv_softif_slave_add+0x9f/0x130 [ 66.365652][ T6932] do_setlink+0xd54/0x3df0 [ 66.365675][ T6932] ? __nla_validate_parse+0x1b43/0x2510 [ 66.365706][ T6932] ? rtnl_newlink+0x77/0x1b30 [ 66.365724][ T6932] ? __kasan_check_read+0x11/0x20 [ 66.365749][ T6932] rtnl_newlink+0x149b/0x1b30 [ 66.365781][ T6932] ? __kasan_check_read+0x11/0x20 [ 66.365799][ T6932] ? __lock_acquire+0x1283/0x55d0 [ 66.365912][ T6932] ? __mutex_lock_common+0x19c2/0x2f60 [ 66.365935][ T6932] ? rtnetlink_rcv_msg+0x848/0xd50 [ 66.365955][ T6932] ? check_preemption_disabled+0x5b/0x170 [ 66.365976][ T6932] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.365991][ T6932] ? lock_is_held_type+0xd5/0x140 [ 66.366014][ T6932] ? rtnl_setlink+0x410/0x410 [ 66.366034][ T6932] rtnetlink_rcv_msg+0x895/0xd50 [ 66.366061][ T6932] ? check_preemption_disabled+0x5b/0x170 [ 66.366079][ T6932] ? __local_bh_enable_ip+0x13d/0x1d0 [ 66.366095][ T6932] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.366110][ T6932] ? lockdep_hardirqs_on+0x7e/0x110 [ 66.366125][ T6932] ? __local_bh_enable_ip+0x13d/0x1d0 [ 66.366138][ T6932] ? local_bh_enable+0x9/0x30 [ 66.366153][ T6932] ? trace_hardirqs_on+0x7f/0x90 [ 66.382744][ T6932] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.382766][ T6932] ? lock_is_held_type+0xd5/0x140 [ 66.382787][ T6932] ? check_preemption_disabled+0x5b/0x170 [ 66.382808][ T6932] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.517533][ T6932] ? lock_release+0x487/0x6f0 [ 66.522307][ T6932] ? rcu_lock_release+0x9/0x30 [ 66.527088][ T6932] netlink_rcv_skb+0x19e/0x3e0 [ 66.531855][ T6932] ? rtnetlink_bind+0x80/0x80 [ 66.536545][ T6932] rtnetlink_rcv+0x1c/0x20 [ 66.540971][ T6932] netlink_unicast+0x766/0x920 [ 66.545754][ T6932] netlink_sendmsg+0x983/0xd20 [ 66.550535][ T6932] ? netlink_getsockopt+0xa60/0xa60 [ 66.555745][ T6932] ____sys_sendmsg+0x544/0x850 [ 66.560528][ T6932] ? import_iovec+0xe5/0x120 [ 66.565217][ T6932] __sys_sendmsg+0x2bf/0x370 [ 66.569830][ T6932] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.575557][ T6932] ? __f_unlock_pos+0x1c/0x20 [ 66.580261][ T6932] ? check_preemption_disabled+0x5b/0x170 [ 66.586073][ T6932] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 66.592063][ T6932] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.597615][ T6932] ? lockdep_hardirqs_on+0x7e/0x110 [ 66.602817][ T6932] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 66.609005][ T6932] __x64_sys_sendmsg+0x7f/0x90 [ 66.613785][ T6932] do_syscall_64+0x3f/0xb0 [ 66.618204][ T6932] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 66.624020][ T6932] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.630090][ T6932] RIP: 0033:0x461229 [ 66.633986][ T6932] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 66.653765][ T6932] RSP: 002b:00007fd922c061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.653788][ T6932] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 66.653800][ T6932] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 66.653810][ T6932] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 66.653820][ T6932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 66.653829][ T6932] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007fd922c066bc [ 66.690893][ T6959] FAULT_INJECTION: forcing a failure. [ 66.690893][ T6959] name failslab, interval 1, probability 0, space 0, times 0 [ 66.723577][ T6959] CPU: 1 PID: 6959 Comm: syz-executor.0 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 66.733777][ T6959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.743841][ T6959] Call Trace: [ 66.747124][ T6959] dump_stack+0x1d8/0x298 [ 66.751592][ T6959] should_fail+0x3c0/0x510 [ 66.756029][ T6959] __should_failslab+0x9f/0xe0 [ 66.760807][ T6959] should_failslab+0x9/0x20 [ 66.765316][ T6959] kmem_cache_alloc+0x6a/0x340 [ 66.765347][ T6959] __kernfs_new_node+0x97/0x6d0 [ 66.765367][ T6959] ? lock_is_held_type+0xd5/0x140 [ 66.765386][ T6959] ? sysfs_do_create_link_sd+0x7b/0x110 [ 66.765411][ T6959] kernfs_new_node+0x97/0x170 [ 66.765431][ T6959] kernfs_create_link+0xbb/0x210 [ 66.765451][ T6959] sysfs_do_create_link_sd+0x89/0x110 [ 66.765469][ T6959] sysfs_create_link+0x68/0x80 [ 66.765487][ T6959] __netdev_adjacent_dev_insert+0x475/0x640 [ 66.765521][ T6959] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 66.765547][ T6959] ? default_do_nmi+0x151/0x170 [ 66.821813][ T6959] ? check_preemption_disabled+0x5b/0x170 [ 66.827555][ T6959] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.833118][ T6959] ? lock_release+0x487/0x6f0 [ 66.837891][ T6959] ? rcu_lock_release+0xd/0x30 [ 66.842661][ T6959] ? netdev_master_upper_dev_link+0x47/0x90 [ 66.848591][ T6959] netdev_master_upper_dev_link+0x63/0x90 [ 66.854325][ T6959] batadv_hardif_enable_interface+0x2c4/0xac0 [ 66.860402][ T6959] ? rcu_lock_release+0x21/0x30 [ 66.865270][ T6959] batadv_softif_slave_add+0x9f/0x130 [ 66.870655][ T6959] do_setlink+0xd54/0x3df0 [ 66.875084][ T6959] ? __nla_validate_parse+0x1b43/0x2510 [ 66.880652][ T6959] ? rtnl_newlink+0x77/0x1b30 [ 66.885335][ T6959] ? __kasan_check_read+0x11/0x20 [ 66.885367][ T6959] rtnl_newlink+0x149b/0x1b30 [ 66.885406][ T6959] ? __kasan_check_read+0x11/0x20 [ 66.885422][ T6959] ? __lock_acquire+0x1283/0x55d0 [ 66.885495][ T6959] ? __mutex_lock_common+0x4dd/0x2f60 [ 66.910611][ T6959] ? lock_is_held_type+0xd5/0x140 [ 66.910639][ T6959] ? rtnetlink_rcv_msg+0x848/0xd50 [ 66.920752][ T6959] ? check_preemption_disabled+0x5b/0x170 [ 66.926485][ T6959] ? check_preemption_disabled+0x5b/0x170 [ 66.932309][ T6959] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.937870][ T6959] ? lock_is_held_type+0xd5/0x140 [ 66.943127][ T6959] ? rtnl_setlink+0x410/0x410 [ 66.947826][ T6959] rtnetlink_rcv_msg+0x895/0xd50 [ 66.952784][ T6959] ? check_preemption_disabled+0x5b/0x170 [ 66.958515][ T6959] ? __local_bh_enable_ip+0x13d/0x1d0 [ 66.964019][ T6959] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.969573][ T6959] ? lockdep_hardirqs_on+0x7e/0x110 [ 66.974778][ T6959] ? __local_bh_enable_ip+0x13d/0x1d0 [ 66.980241][ T6959] ? local_bh_enable+0x9/0x30 [ 66.984918][ T6959] ? trace_hardirqs_on+0x7f/0x90 [ 66.989872][ T6959] ? __this_cpu_preempt_check+0x1c/0x20 [ 66.995426][ T6959] ? lock_is_held_type+0xd5/0x140 [ 67.000459][ T6959] ? check_preemption_disabled+0x5b/0x170 [ 67.006184][ T6959] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.011740][ T6959] ? lock_release+0x487/0x6f0 [ 67.016418][ T6959] ? rcu_lock_release+0x9/0x30 [ 67.021199][ T6959] netlink_rcv_skb+0x19e/0x3e0 [ 67.025968][ T6959] ? rtnetlink_bind+0x80/0x80 [ 67.030666][ T6959] rtnetlink_rcv+0x1c/0x20 [ 67.035102][ T6959] netlink_unicast+0x766/0x920 [ 67.039881][ T6959] netlink_sendmsg+0x983/0xd20 [ 67.044664][ T6959] ? netlink_getsockopt+0xa60/0xa60 [ 67.049890][ T6959] ____sys_sendmsg+0x544/0x850 [ 67.054667][ T6959] ? import_iovec+0xe5/0x120 [ 67.059260][ T6959] __sys_sendmsg+0x2bf/0x370 [ 67.063848][ T6959] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.069389][ T6959] ? __f_unlock_pos+0x1c/0x20 [ 67.074089][ T6959] ? check_preemption_disabled+0x5b/0x170 [ 67.079878][ T6959] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 67.085871][ T6959] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.091498][ T6959] ? lockdep_hardirqs_on+0x7e/0x110 [ 67.096684][ T6959] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 67.102661][ T6959] __x64_sys_sendmsg+0x7f/0x90 [ 67.107413][ T6959] do_syscall_64+0x3f/0xb0 [ 67.111823][ T6959] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.117798][ T6959] RIP: 0033:0x461229 [ 67.121674][ T6959] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 67.141352][ T6959] RSP: 002b:00007fd922c061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.149754][ T6959] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 67.157715][ T6959] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 67.165670][ T6959] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 67.173645][ T6959] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 67.181606][ T6959] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007fd922c066bc [ 67.257395][ T6940] device bridge_slave_0 left promiscuous mode [ 67.274806][ T6940] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.282470][ T6940] FAULT_INJECTION: forcing a failure. [ 67.282470][ T6940] name failslab, interval 1, probability 0, space 0, times 0 [ 67.295759][ T6940] CPU: 1 PID: 6940 Comm: syz-executor.1 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 67.305823][ T6940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.315882][ T6940] Call Trace: [ 67.319166][ T6940] dump_stack+0x1d8/0x298 [ 67.323509][ T6940] should_fail+0x3c0/0x510 [ 67.327943][ T6940] __should_failslab+0x9f/0xe0 [ 67.332714][ T6940] should_failslab+0x9/0x20 [ 67.337239][ T6940] kmem_cache_alloc_node+0x74/0x2f0 [ 67.342445][ T6940] __alloc_skb+0xdd/0x760 [ 67.346862][ T6940] fdb_notify+0xa7/0x150 [ 67.346908][ T6940] fdb_delete+0xa2c/0xb50 [ 67.346932][ T6940] br_fdb_delete_by_port+0x16b/0x320 [ 67.346955][ T6940] br_stp_disable_port+0x11a/0x1b0 [ 67.346975][ T6940] del_nbp+0x141/0xa80 [ 67.346992][ T6940] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.347009][ T6940] ? lock_is_held_type+0xd5/0x140 [ 67.347026][ T6940] ? lockdep_rtnl_is_held+0xa/0x30 [ 67.347050][ T6940] br_del_if+0x143/0x3f0 [ 67.347064][ T6940] ? __kasan_check_read+0x11/0x20 [ 67.347081][ T6940] ? mutex_is_locked+0x12/0x40 [ 67.347101][ T6940] br_del_slave+0x24/0x30 [ 67.347117][ T6940] do_setlink+0xdd2/0x3df0 [ 67.347140][ T6940] ? __nla_validate_parse+0x1b43/0x2510 [ 67.414289][ T6940] ? rtnl_newlink+0x77/0x1b30 [ 67.418993][ T6940] ? __kasan_check_read+0x11/0x20 [ 67.424120][ T6940] rtnl_newlink+0x149b/0x1b30 [ 67.428911][ T6940] ? __kasan_check_read+0x11/0x20 [ 67.434029][ T6940] ? __lock_acquire+0x1283/0x55d0 [ 67.439210][ T6940] ? __mutex_lock_common+0x19c2/0x2f60 [ 67.444684][ T6940] ? rtnetlink_rcv_msg+0x848/0xd50 [ 67.449804][ T6940] ? check_preemption_disabled+0x5b/0x170 [ 67.455621][ T6940] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.461177][ T6940] ? lock_is_held_type+0xd5/0x140 [ 67.466214][ T6940] ? rtnl_setlink+0x410/0x410 [ 67.470899][ T6940] rtnetlink_rcv_msg+0x895/0xd50 [ 67.475943][ T6940] ? check_preemption_disabled+0x5b/0x170 [ 67.481688][ T6940] ? __local_bh_enable_ip+0x13d/0x1d0 [ 67.487155][ T6940] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.492879][ T6940] ? lockdep_hardirqs_on+0x7e/0x110 [ 67.498206][ T6940] ? __local_bh_enable_ip+0x13d/0x1d0 [ 67.503579][ T6940] ? local_bh_enable+0x9/0x30 [ 67.508272][ T6940] ? trace_hardirqs_on+0x7f/0x90 [ 67.513235][ T6940] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.518869][ T6940] ? lock_is_held_type+0xd5/0x140 [ 67.523903][ T6940] ? check_preemption_disabled+0x5b/0x170 [ 67.529632][ T6940] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.535271][ T6940] ? lock_release+0x487/0x6f0 [ 67.540002][ T6940] ? rcu_lock_release+0x9/0x30 [ 67.544773][ T6940] netlink_rcv_skb+0x19e/0x3e0 [ 67.549646][ T6940] ? rtnetlink_bind+0x80/0x80 [ 67.554344][ T6940] rtnetlink_rcv+0x1c/0x20 [ 67.558766][ T6940] netlink_unicast+0x766/0x920 [ 67.563547][ T6940] netlink_sendmsg+0x983/0xd20 [ 67.568329][ T6940] ? netlink_getsockopt+0xa60/0xa60 [ 67.573531][ T6940] ____sys_sendmsg+0x544/0x850 [ 67.578303][ T6940] ? import_iovec+0xe5/0x120 [ 67.582898][ T6940] __sys_sendmsg+0x2bf/0x370 [ 67.587518][ T6940] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.593081][ T6940] ? __f_unlock_pos+0x1c/0x20 [ 67.597943][ T6940] ? check_preemption_disabled+0x5b/0x170 [ 67.603666][ T6940] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 67.609655][ T6940] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.615205][ T6940] ? lockdep_hardirqs_on+0x7e/0x110 [ 67.620418][ T6940] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 67.626419][ T6940] __x64_sys_sendmsg+0x7f/0x90 [ 67.631198][ T6940] do_syscall_64+0x3f/0xb0 [ 67.635633][ T6940] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.641532][ T6940] RIP: 0033:0x461229 [ 67.645453][ T6940] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 67.665072][ T6940] RSP: 002b:00007f74084e61a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.673516][ T6940] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 67.681485][ T6940] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 67.689461][ T6940] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 67.697428][ T6940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 67.705407][ T6940] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f74084e66bc [ 67.751400][ T6940] batman_adv: batadv0: Adding interface: bridge_slave_0 [ 67.759944][ T6940] batman_adv: batadv0: The MTU of interface bridge_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. [ 67.786737][ T6940] batman_adv: batadv0: Interface activated: bridge_slave_0 2021/06/06 13:04:25 executed programs: 60 [ 67.798027][ T6946] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 67.808297][ T6948] FAULT_INJECTION: forcing a failure. [ 67.808297][ T6948] name failslab, interval 1, probability 0, space 0, times 0 [ 67.846028][ T6948] CPU: 1 PID: 6948 Comm: syz-executor.2 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 67.856321][ T6948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.866385][ T6948] Call Trace: [ 67.869708][ T6948] dump_stack+0x1d8/0x298 [ 67.874158][ T6948] should_fail+0x3c0/0x510 [ 67.878606][ T6948] __should_failslab+0x9f/0xe0 [ 67.883378][ T6948] ? __kernfs_new_node+0x4c/0x6d0 [ 67.888416][ T6948] should_failslab+0x9/0x20 [ 67.892935][ T6948] __kmalloc_track_caller+0x90/0x390 [ 67.898309][ T6948] ? __kernfs_new_node+0x4c/0x6d0 [ 67.898330][ T6948] ? netlink_unicast+0x766/0x920 [ 67.898355][ T6948] kstrdup_const+0x55/0x90 [ 67.908392][ T6948] __kernfs_new_node+0x4c/0x6d0 [ 67.908421][ T6948] ? lock_is_held_type+0xd5/0x140 [ 67.908439][ T6948] ? sysfs_do_create_link_sd+0x7b/0x110 [ 67.908464][ T6948] kernfs_new_node+0x97/0x170 [ 67.908484][ T6948] kernfs_create_link+0xbb/0x210 [ 67.908506][ T6948] sysfs_do_create_link_sd+0x89/0x110 [ 67.908525][ T6948] sysfs_create_link+0x68/0x80 [ 67.908541][ T6948] __netdev_adjacent_dev_insert+0x475/0x640 [ 67.908562][ T6948] ? raw_notifier_call_chain+0x152/0x170 [ 67.908586][ T6948] __netdev_upper_dev_link+0x8d3/0x1ae0 [ 67.908612][ T6948] ? default_do_nmi+0x151/0x170 [ 67.970546][ T6948] ? check_preemption_disabled+0x5b/0x170 [ 67.976409][ T6948] ? __this_cpu_preempt_check+0x1c/0x20 [ 67.981958][ T6948] ? lock_release+0x487/0x6f0 [ 67.986619][ T6948] ? rcu_lock_release+0xd/0x30 [ 67.991387][ T6948] ? netdev_master_upper_dev_link+0x47/0x90 [ 67.997363][ T6948] netdev_master_upper_dev_link+0x63/0x90 [ 68.003075][ T6948] batadv_hardif_enable_interface+0x2c4/0xac0 [ 68.009140][ T6948] ? rcu_lock_release+0x21/0x30 [ 68.014101][ T6948] batadv_softif_slave_add+0x9f/0x130 [ 68.019550][ T6948] do_setlink+0xd54/0x3df0 [ 68.023956][ T6948] ? __nla_validate_parse+0x1b43/0x2510 [ 68.029498][ T6948] ? rtnl_newlink+0x77/0x1b30 [ 68.034183][ T6948] ? __kasan_check_read+0x11/0x20 [ 68.039216][ T6948] rtnl_newlink+0x149b/0x1b30 [ 68.043926][ T6948] ? __kasan_check_read+0x11/0x20 [ 68.049047][ T6948] ? __lock_acquire+0x1283/0x55d0 [ 68.054089][ T6948] ? __mutex_lock_common+0x19c2/0x2f60 [ 68.059558][ T6948] ? rtnetlink_rcv_msg+0x848/0xd50 [ 68.065110][ T6948] ? check_preemption_disabled+0x5b/0x170 [ 68.070918][ T6948] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.076548][ T6948] ? lock_is_held_type+0xd5/0x140 [ 68.081663][ T6948] ? rtnl_setlink+0x410/0x410 [ 68.086433][ T6948] rtnetlink_rcv_msg+0x895/0xd50 [ 68.091378][ T6948] ? check_preemption_disabled+0x5b/0x170 [ 68.097117][ T6948] ? __local_bh_enable_ip+0x13d/0x1d0 [ 68.102494][ T6948] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.108135][ T6948] ? lockdep_hardirqs_on+0x7e/0x110 [ 68.113320][ T6948] ? __local_bh_enable_ip+0x13d/0x1d0 [ 68.118688][ T6948] ? local_bh_enable+0x9/0x30 [ 68.123367][ T6948] ? trace_hardirqs_on+0x7f/0x90 [ 68.128300][ T6948] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.133850][ T6948] ? lock_is_held_type+0xd5/0x140 [ 68.138879][ T6948] ? check_preemption_disabled+0x5b/0x170 [ 68.144614][ T6948] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.150168][ T6948] ? lock_release+0x487/0x6f0 [ 68.154856][ T6948] ? rcu_lock_release+0x9/0x30 [ 68.159652][ T6948] netlink_rcv_skb+0x19e/0x3e0 [ 68.164403][ T6948] ? rtnetlink_bind+0x80/0x80 [ 68.169074][ T6948] rtnetlink_rcv+0x1c/0x20 [ 68.173510][ T6948] netlink_unicast+0x766/0x920 [ 68.178268][ T6948] netlink_sendmsg+0x983/0xd20 [ 68.183049][ T6948] ? netlink_getsockopt+0xa60/0xa60 [ 68.188249][ T6948] ____sys_sendmsg+0x544/0x850 [ 68.193028][ T6948] ? import_iovec+0xe5/0x120 [ 68.197610][ T6948] __sys_sendmsg+0x2bf/0x370 [ 68.202196][ T6948] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.208086][ T6948] ? __f_unlock_pos+0x1c/0x20 [ 68.212799][ T6948] ? check_preemption_disabled+0x5b/0x170 [ 68.218522][ T6948] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 68.224555][ T6948] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.230099][ T6948] ? lockdep_hardirqs_on+0x7e/0x110 [ 68.235287][ T6948] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 68.241282][ T6948] __x64_sys_sendmsg+0x7f/0x90 [ 68.246039][ T6948] do_syscall_64+0x3f/0xb0 [ 68.250444][ T6948] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.256411][ T6948] RIP: 0033:0x461229 [ 68.260319][ T6948] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 68.280179][ T6948] RSP: 002b:00007f6b3736f1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.288675][ T6948] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 68.296738][ T6948] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 68.304720][ T6948] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 68.312677][ T6948] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 68.320806][ T6948] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f6b3736f6bc [ 68.332589][ T6961] device bridge_slave_0 left promiscuous mode [ 68.340181][ T6961] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.347393][ T6961] FAULT_INJECTION: forcing a failure. [ 68.347393][ T6961] name failslab, interval 1, probability 0, space 0, times 0 [ 68.360041][ T6961] CPU: 1 PID: 6961 Comm: syz-executor.4 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 68.375687][ T6961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.385919][ T6961] Call Trace: [ 68.389236][ T6961] dump_stack+0x1d8/0x298 [ 68.393752][ T6961] should_fail+0x3c0/0x510 [ 68.398187][ T6961] __should_failslab+0x9f/0xe0 [ 68.402962][ T6961] should_failslab+0x9/0x20 [ 68.407475][ T6961] kmem_cache_alloc_node+0x74/0x2f0 [ 68.412696][ T6961] __alloc_skb+0xdd/0x760 [ 68.417042][ T6961] fdb_notify+0xa7/0x150 [ 68.421455][ T6961] fdb_delete+0xa2c/0xb50 [ 68.425889][ T6961] br_fdb_delete_by_port+0x16b/0x320 [ 68.431190][ T6961] br_stp_disable_port+0x11a/0x1b0 [ 68.436326][ T6961] del_nbp+0x141/0xa80 [ 68.440404][ T6961] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.445954][ T6961] ? lock_is_held_type+0xd5/0x140 [ 68.451080][ T6961] ? lockdep_rtnl_is_held+0xa/0x30 [ 68.456464][ T6961] br_del_if+0x143/0x3f0 [ 68.456486][ T6961] ? __kasan_check_read+0x11/0x20 [ 68.456506][ T6961] ? mutex_is_locked+0x12/0x40 [ 68.456529][ T6961] br_del_slave+0x24/0x30 [ 68.456547][ T6961] do_setlink+0xdd2/0x3df0 [ 68.456572][ T6961] ? __nla_validate_parse+0x1b43/0x2510 [ 68.456603][ T6961] ? rtnl_newlink+0x77/0x1b30 [ 68.456623][ T6961] ? __kasan_check_read+0x11/0x20 [ 68.456648][ T6961] rtnl_newlink+0x149b/0x1b30 [ 68.456685][ T6961] ? __kasan_check_read+0x11/0x20 [ 68.456702][ T6961] ? __lock_acquire+0x1283/0x55d0 [ 68.466037][ T6961] ? __mutex_lock_common+0x19c2/0x2f60 [ 68.515100][ T6961] ? rtnetlink_rcv_msg+0x848/0xd50 [ 68.520268][ T6961] ? check_preemption_disabled+0x5b/0x170 [ 68.526005][ T6961] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.531724][ T6961] ? lock_is_held_type+0xd5/0x140 [ 68.536777][ T6961] ? rtnl_setlink+0x410/0x410 [ 68.541473][ T6961] rtnetlink_rcv_msg+0x895/0xd50 [ 68.546435][ T6961] ? check_preemption_disabled+0x5b/0x170 [ 68.552253][ T6961] ? __local_bh_enable_ip+0x13d/0x1d0 [ 68.557826][ T6961] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.563379][ T6961] ? lockdep_hardirqs_on+0x7e/0x110 [ 68.568587][ T6961] ? __local_bh_enable_ip+0x13d/0x1d0 [ 68.573960][ T6961] ? local_bh_enable+0x9/0x30 [ 68.578651][ T6961] ? trace_hardirqs_on+0x7f/0x90 [ 68.583595][ T6961] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.589263][ T6961] ? lock_is_held_type+0xd5/0x140 [ 68.594428][ T6961] ? check_preemption_disabled+0x5b/0x170 [ 68.600136][ T6961] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.606113][ T6961] ? lock_release+0x487/0x6f0 [ 68.610794][ T6961] ? rcu_lock_release+0x9/0x30 [ 68.615577][ T6961] netlink_rcv_skb+0x19e/0x3e0 [ 68.620438][ T6961] ? rtnetlink_bind+0x80/0x80 [ 68.625133][ T6961] rtnetlink_rcv+0x1c/0x20 [ 68.629560][ T6961] netlink_unicast+0x766/0x920 [ 68.634349][ T6961] netlink_sendmsg+0x983/0xd20 [ 68.639159][ T6961] ? netlink_getsockopt+0xa60/0xa60 [ 68.644471][ T6961] ____sys_sendmsg+0x544/0x850 [ 68.649256][ T6961] ? import_iovec+0xe5/0x120 [ 68.653864][ T6961] __sys_sendmsg+0x2bf/0x370 [ 68.658473][ T6961] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.664024][ T6961] ? __f_unlock_pos+0x1c/0x20 [ 68.668716][ T6961] ? check_preemption_disabled+0x5b/0x170 [ 68.674530][ T6961] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 68.680515][ T6961] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.686061][ T6961] ? lockdep_hardirqs_on+0x7e/0x110 [ 68.691262][ T6961] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 68.697253][ T6961] __x64_sys_sendmsg+0x7f/0x90 [ 68.702037][ T6961] do_syscall_64+0x3f/0xb0 [ 68.706454][ T6961] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.712436][ T6961] RIP: 0033:0x461229 [ 68.716329][ T6961] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 68.736030][ T6961] RSP: 002b:00007f9eb73031a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.744712][ T6961] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 68.752782][ T6961] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 68.760952][ T6961] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 68.768919][ T6961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 68.776896][ T6961] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9eb73036bc [ 68.816726][ T6961] batman_adv: batadv0: Adding interface: bridge_slave_0 [ 68.823697][ T6961] batman_adv: batadv0: The MTU of interface bridge_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. [ 68.852193][ T6961] batman_adv: batadv0: Interface activated: bridge_slave_0 [ 68.867995][ T6967] FAULT_INJECTION: forcing a failure. [ 68.867995][ T6967] name failslab, interval 1, probability 0, space 0, times 0 [ 68.884545][ T6967] CPU: 0 PID: 6967 Comm: syz-executor.0 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 68.894848][ T6967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.904911][ T6967] Call Trace: [ 68.908208][ T6967] dump_stack+0x1d8/0x298 [ 68.912624][ T6967] should_fail+0x3c0/0x510 [ 68.917283][ T6967] __should_failslab+0x9f/0xe0 [ 68.922034][ T6967] should_failslab+0x9/0x20 [ 68.926781][ T6967] kmem_cache_alloc_node+0x74/0x2f0 [ 68.932005][ T6967] __alloc_skb+0xdd/0x760 [ 68.936344][ T6967] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 68.941746][ T6967] rtnetlink_event+0xf2/0x1b0 [ 68.946413][ T6967] raw_notifier_call_chain+0xff/0x170 [ 68.951773][ T6967] __netdev_upper_dev_link+0x9da/0x1ae0 [ 68.957306][ T6967] ? default_do_nmi+0x151/0x170 [ 68.962147][ T6967] ? check_preemption_disabled+0x5b/0x170 [ 68.967877][ T6967] ? __this_cpu_preempt_check+0x1c/0x20 [ 68.973425][ T6967] ? lock_release+0x487/0x6f0 [ 68.978092][ T6967] ? rcu_lock_release+0xd/0x30 [ 68.982840][ T6967] ? netdev_master_upper_dev_link+0x47/0x90 [ 68.988718][ T6967] netdev_master_upper_dev_link+0x63/0x90 [ 68.994425][ T6967] batadv_hardif_enable_interface+0x2c4/0xac0 [ 69.000746][ T6967] ? rcu_lock_release+0x21/0x30 [ 69.005592][ T6967] batadv_softif_slave_add+0x9f/0x130 [ 69.010942][ T6967] do_setlink+0xd54/0x3df0 [ 69.015342][ T6967] ? __nla_validate_parse+0x1b43/0x2510 [ 69.020895][ T6967] ? rtnl_newlink+0x77/0x1b30 [ 69.025566][ T6967] ? __kasan_check_read+0x11/0x20 [ 69.030598][ T6967] rtnl_newlink+0x149b/0x1b30 [ 69.035272][ T6967] ? __kasan_check_read+0x11/0x20 [ 69.040277][ T6967] ? __lock_acquire+0x1283/0x55d0 [ 69.045401][ T6967] ? __mutex_lock_common+0x19c2/0x2f60 [ 69.050844][ T6967] ? rtnetlink_rcv_msg+0x848/0xd50 [ 69.055936][ T6967] ? check_preemption_disabled+0x5b/0x170 [ 69.061634][ T6967] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.067165][ T6967] ? lock_is_held_type+0xd5/0x140 [ 69.072257][ T6967] ? rtnl_setlink+0x410/0x410 [ 69.076914][ T6967] rtnetlink_rcv_msg+0x895/0xd50 [ 69.081836][ T6967] ? check_preemption_disabled+0x5b/0x170 [ 69.087534][ T6967] ? __local_bh_enable_ip+0x13d/0x1d0 [ 69.092888][ T6967] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.098418][ T6967] ? lockdep_hardirqs_on+0x7e/0x110 [ 69.103589][ T6967] ? __local_bh_enable_ip+0x13d/0x1d0 [ 69.108934][ T6967] ? local_bh_enable+0x9/0x30 [ 69.113596][ T6967] ? trace_hardirqs_on+0x7f/0x90 [ 69.118523][ T6967] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.124050][ T6967] ? lock_is_held_type+0xd5/0x140 [ 69.129050][ T6967] ? check_preemption_disabled+0x5b/0x170 [ 69.135002][ T6967] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.140536][ T6967] ? lock_release+0x487/0x6f0 [ 69.145202][ T6967] ? rcu_lock_release+0x9/0x30 [ 69.149966][ T6967] netlink_rcv_skb+0x19e/0x3e0 [ 69.154797][ T6967] ? rtnetlink_bind+0x80/0x80 [ 69.159475][ T6967] rtnetlink_rcv+0x1c/0x20 [ 69.164088][ T6967] netlink_unicast+0x766/0x920 [ 69.168845][ T6967] netlink_sendmsg+0x983/0xd20 [ 69.173671][ T6967] ? netlink_getsockopt+0xa60/0xa60 [ 69.178871][ T6967] ____sys_sendmsg+0x544/0x850 [ 69.183631][ T6967] ? import_iovec+0xe5/0x120 [ 69.188301][ T6967] __sys_sendmsg+0x2bf/0x370 [ 69.192880][ T6967] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.198409][ T6967] ? __f_unlock_pos+0x1c/0x20 [ 69.203078][ T6967] ? check_preemption_disabled+0x5b/0x170 [ 69.208789][ T6967] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 69.214924][ T6967] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.220452][ T6967] ? lockdep_hardirqs_on+0x7e/0x110 [ 69.225725][ T6967] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 69.231699][ T6967] __x64_sys_sendmsg+0x7f/0x90 [ 69.236450][ T6967] do_syscall_64+0x3f/0xb0 [ 69.240857][ T6967] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.246751][ T6967] RIP: 0033:0x461229 [ 69.250762][ T6967] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 69.270628][ T6967] RSP: 002b:00007fd922c061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.279030][ T6967] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 69.287004][ T6967] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 69.294953][ T6967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 69.302900][ T6967] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 69.310846][ T6967] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007fd922c066bc [ 69.337876][ T6967] batman_adv: batadv0: Adding interface: veth1_to_bond [ 69.364107][ T6967] batman_adv: batadv0: The MTU of interface veth1_to_bond 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. [ 69.397590][ T24] batman_adv: forw_packet->if_outgoing->soft_iface=0000000000000000 forw_packet->if_incoming->soft_iface=000000002b5a48ce [ 69.403387][ T6967] batman_adv: batadv0: Interface activated: veth1_to_bond [ 69.425140][ T24] batman_adv: forw_packet->if_incoming->soft_iface->name=batadv0 [ 69.428255][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.447861][ T24] ------------[ cut here ]------------ [ 69.458704][ T2366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.465847][ T24] WARNING: CPU: 1 PID: 24 at net/batman-adv/bat_iv_ogm.c:423 batadv_iv_send_outstanding_bat_ogm_packet+0x58d/0x820 [ 69.479058][ T24] Modules linked in: [ 69.479549][ T6975] device bridge_slave_1 left promiscuous mode [ 69.483175][ T24] CPU: 1 PID: 24 Comm: kworker/u4:1 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 69.494221][ T6975] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.506316][ T6975] FAULT_INJECTION: forcing a failure. [ 69.506316][ T6975] name failslab, interval 1, probability 0, space 0, times 0 [ 69.519096][ T6975] CPU: 0 PID: 6975 Comm: syz-executor.1 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 69.519116][ T6975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.519125][ T6975] Call Trace: [ 69.519132][ T6975] dump_stack+0x1d8/0x298 [ 69.519155][ T6975] should_fail+0x3c0/0x510 [ 69.519186][ T6975] __should_failslab+0x9f/0xe0 [ 69.533032][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.539271][ T6975] should_failslab+0x9/0x20 [ 69.539296][ T6975] kmem_cache_alloc_node_trace+0x78/0x300 [ 69.539316][ T6975] ? rcu_read_lock_sched_held+0x33/0xa0 [ 69.539334][ T6975] ? trace_kmem_cache_alloc_node+0x47/0xf0 [ 69.539355][ T6975] __kmalloc_node_track_caller+0x3c/0x60 [ 69.539370][ T6975] ? br_info_notify+0xce/0x190 [ 69.539388][ T6975] __alloc_skb+0x1e5/0x760 [ 69.539411][ T6975] br_info_notify+0xce/0x190 [ 69.546342][ T24] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 69.547016][ T6975] br_ifinfo_notify+0x28/0x30 [ 69.547037][ T6975] br_stp_disable_port+0xbe/0x1b0 [ 69.551623][ T24] [ 69.556200][ T6975] del_nbp+0x141/0xa80 [ 69.556221][ T6975] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.556238][ T6975] ? lock_is_held_type+0xd5/0x140 [ 69.556256][ T6975] ? lockdep_rtnl_is_held+0xa/0x30 [ 69.556280][ T6975] br_del_if+0x143/0x3f0 [ 69.556295][ T6975] ? __kasan_check_read+0x11/0x20 [ 69.556314][ T6975] ? mutex_is_locked+0x12/0x40 [ 69.582914][ T24] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x58d/0x820 [ 69.588033][ T6975] br_del_slave+0x24/0x30 [ 69.588057][ T6975] do_setlink+0xdd2/0x3df0 [ 69.588082][ T6975] ? __nla_validate_parse+0x1b43/0x2510 [ 69.588114][ T6975] ? rtnl_newlink+0x77/0x1b30 [ 69.588135][ T6975] ? __kasan_check_read+0x11/0x20 [ 69.588162][ T6975] rtnl_newlink+0x149b/0x1b30 [ 69.605677][ T24] Code: 85 ba 01 00 00 e8 a3 18 90 f9 4c 8b 75 d0 49 bf 00 00 00 00 00 fc ff df 48 8b 5d c8 48 85 db 0f 85 b5 01 00 00 e8 83 18 90 f9 <0f> 0b e9 d0 00 00 00 e8 77 18 90 f9 4c 8b 6d b8 48 8b 5d c0 48 89 [ 69.607589][ T6975] ? __kasan_check_read+0x11/0x20 [ 69.607614][ T6975] ? __lock_acquire+0x1283/0x55d0 [ 69.607686][ T6975] ? __mutex_lock_common+0x19c2/0x2f60 [ 69.640167][ T24] RSP: 0018:ffff88810091fc40 EFLAGS: 00010246 [ 69.642065][ T6975] ? rtnetlink_rcv_msg+0x848/0xd50 [ 69.642095][ T6975] ? check_preemption_disabled+0x5b/0x170 [ 69.642117][ T6975] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.661372][ T6975] ? lock_is_held_type+0xd5/0x140 [ 69.661406][ T6975] ? rtnl_setlink+0x410/0x410 [ 69.661429][ T6975] rtnetlink_rcv_msg+0x895/0xd50 [ 69.661457][ T6975] ? check_preemption_disabled+0x5b/0x170 [ 69.661475][ T6975] ? __local_bh_enable_ip+0x13d/0x1d0 [ 69.669765][ T24] [ 69.673964][ T6975] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.673991][ T6975] ? lockdep_hardirqs_on+0x7e/0x110 [ 69.674009][ T6975] ? __local_bh_enable_ip+0x13d/0x1d0 [ 69.674034][ T6975] ? local_bh_enable+0x9/0x30 [ 69.682852][ T24] RAX: 000000000000003e RBX: ffff888121e94000 RCX: a50bf40948fd0a00 [ 69.684051][ T6975] ? trace_hardirqs_on+0x7f/0x90 [ 69.684079][ T6975] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.684097][ T6975] ? lock_is_held_type+0xd5/0x140 [ 69.684118][ T6975] ? check_preemption_disabled+0x5b/0x170 [ 69.693788][ T6975] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.693810][ T6975] ? lock_release+0x487/0x6f0 [ 69.693826][ T6975] ? rcu_lock_release+0x9/0x30 [ 69.693857][ T6975] netlink_rcv_skb+0x19e/0x3e0 [ 69.693874][ T6975] ? rtnetlink_bind+0x80/0x80 [ 69.701376][ T24] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 69.718250][ T6975] rtnetlink_rcv+0x1c/0x20 [ 69.718276][ T6975] netlink_unicast+0x766/0x920 [ 69.718308][ T6975] netlink_sendmsg+0x983/0xd20 [ 69.718333][ T6975] ? netlink_getsockopt+0xa60/0xa60 [ 69.718351][ T6975] ____sys_sendmsg+0x544/0x850 [ 69.718375][ T6975] ? import_iovec+0xe5/0x120 [ 69.718397][ T6975] __sys_sendmsg+0x2bf/0x370 [ 69.742674][ T24] RBP: ffff88810091fcd8 R08: ffffffff816319d5 R09: ffffed103eca6168 [ 69.745095][ T6975] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.745122][ T6975] ? __f_unlock_pos+0x1c/0x20 [ 69.745157][ T6975] ? check_preemption_disabled+0x5b/0x170 [ 69.745175][ T6975] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 69.745193][ T6975] ? __this_cpu_preempt_check+0x1c/0x20 [ 69.763016][ T24] R10: ffffed103eca6168 R11: 0000000000000000 R12: ffff888121e94000 [ 69.766771][ T6975] ? lockdep_hardirqs_on+0x7e/0x110 [ 69.766797][ T6975] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 69.766820][ T6975] __x64_sys_sendmsg+0x7f/0x90 [ 69.766844][ T6975] do_syscall_64+0x3f/0xb0 [ 69.766861][ T6975] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.766878][ T6975] RIP: 0033:0x461229 [ 69.766893][ T6975] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 69.766907][ T6975] RSP: 002b:00007f74084e61a8 EFLAGS: 00000246 [ 69.785672][ T24] R13: ffff88811f128848 R14: ffff88811f128800 R15: dffffc0000000000 [ 69.790733][ T6975] ORIG_RAX: 000000000000002e [ 69.790743][ T6975] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 69.790754][ T6975] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 69.790765][ T6975] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 69.790782][ T6975] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 69.790794][ T6975] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f74084e66bc [ 70.056175][ T24] FS: 0000000000000000(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 [ 70.066942][ T24] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.074185][ T24] CR2: 000055e995d1dbd0 CR3: 00000001116cc001 CR4: 00000000001706f0 [ 70.082358][ T24] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.092604][ T24] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.095697][ T6975] batman_adv: batadv0: Adding interface: bridge_slave_1 [ 70.100757][ T24] Call Trace: [ 70.109314][ T6975] batman_adv: batadv0: The MTU of interface bridge_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. [ 70.111066][ T24] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.111106][ T24] process_one_work+0x7ce/0x1040 [ 70.111159][ T24] worker_thread+0xb60/0x1420 [ 70.111208][ T24] kthread+0x3b0/0x3d0 [ 70.137935][ T6975] batman_adv: batadv0: Interface activated: bridge_slave_1 [ 70.144445][ T24] ? rcu_lock_release+0x30/0x30 [ 70.152660][ T24] ? kthread_blkcg+0xe0/0xe0 [ 70.152686][ T24] ret_from_fork+0x1f/0x30 [ 70.152722][ T24] irq event stamp: 939065 [ 70.152731][ T24] hardirqs last enabled at (939071): [] console_trylock_spinning+0x1e9/0x2e0 [ 70.152754][ T24] hardirqs last disabled at (939076): [] console_trylock_spinning+0xea/0x2e0 [ 70.152774][ T24] softirqs last enabled at (939040): [] __irq_exit_rcu+0x213/0x240 [ 70.152793][ T24] softirqs last disabled at (939029): [] __irq_exit_rcu+0x213/0x240 [ 70.152810][ T24] ---[ end trace 9e1489d417de7f7e ]--- [ 70.216352][ T6979] FAULT_INJECTION: forcing a failure. [ 70.216352][ T6979] name failslab, interval 1, probability 0, space 0, times 0 [ 70.254624][ T6979] CPU: 1 PID: 6979 Comm: syz-executor.5 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 70.264991][ T6979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.275140][ T6979] Call Trace: [ 70.278432][ T6979] dump_stack+0x1d8/0x298 [ 70.282776][ T6979] should_fail+0x3c0/0x510 [ 70.287205][ T6979] __should_failslab+0x9f/0xe0 [ 70.287229][ T6979] should_failslab+0x9/0x20 [ 70.287247][ T6979] kmem_cache_alloc_node+0x74/0x2f0 [ 70.287276][ T6979] __alloc_skb+0xdd/0x760 [ 70.287300][ T6979] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 70.296530][ T6979] rtnetlink_event+0xf2/0x1b0 [ 70.296556][ T6979] raw_notifier_call_chain+0xff/0x170 [ 70.296583][ T6979] __netdev_upper_dev_link+0x9da/0x1ae0 [ 70.296614][ T6979] ? default_do_nmi+0x151/0x170 [ 70.296634][ T6979] ? check_preemption_disabled+0x5b/0x170 [ 70.296654][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.296669][ T6979] ? lock_release+0x487/0x6f0 [ 70.296682][ T6979] ? rcu_lock_release+0xd/0x30 [ 70.296697][ T6979] ? netdev_master_upper_dev_link+0x47/0x90 [ 70.296720][ T6979] netdev_master_upper_dev_link+0x63/0x90 [ 70.364734][ T6979] batadv_hardif_enable_interface+0x2c4/0xac0 [ 70.370811][ T6979] ? rcu_lock_release+0x21/0x30 [ 70.375848][ T6979] batadv_softif_slave_add+0x9f/0x130 [ 70.381204][ T6979] do_setlink+0xd54/0x3df0 [ 70.385621][ T6979] ? __nla_validate_parse+0x1b43/0x2510 [ 70.391168][ T6979] ? rtnl_newlink+0x77/0x1b30 [ 70.395835][ T6979] ? __kasan_check_read+0x11/0x20 [ 70.400861][ T6979] rtnl_newlink+0x149b/0x1b30 [ 70.405523][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.411058][ T6979] ? __kasan_check_read+0x11/0x20 [ 70.416079][ T6979] ? __lock_acquire+0x1283/0x55d0 [ 70.421086][ T6979] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 70.426911][ T6979] ? __mutex_lock_common+0x19c2/0x2f60 [ 70.432386][ T6979] ? rtnetlink_rcv_msg+0x848/0xd50 [ 70.437505][ T6979] ? check_preemption_disabled+0x5b/0x170 [ 70.443443][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.449033][ T6979] ? lock_is_held_type+0xd5/0x140 [ 70.454157][ T6979] ? rtnl_setlink+0x410/0x410 [ 70.458887][ T6979] rtnetlink_rcv_msg+0x895/0xd50 [ 70.463853][ T6979] ? check_preemption_disabled+0x5b/0x170 [ 70.469574][ T6979] ? __local_bh_enable_ip+0x13d/0x1d0 [ 70.474951][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.480516][ T6979] ? lockdep_hardirqs_on+0x7e/0x110 [ 70.485723][ T6979] ? __local_bh_enable_ip+0x13d/0x1d0 [ 70.491082][ T6979] ? local_bh_enable+0x9/0x30 [ 70.495757][ T6979] ? trace_hardirqs_on+0x7f/0x90 [ 70.500700][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.506347][ T6979] ? lock_is_held_type+0xd5/0x140 [ 70.511452][ T6979] ? check_preemption_disabled+0x5b/0x170 [ 70.517176][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.522701][ T6979] ? lock_release+0x487/0x6f0 [ 70.527364][ T6979] ? rcu_lock_release+0x9/0x30 [ 70.532137][ T6979] netlink_rcv_skb+0x19e/0x3e0 [ 70.536883][ T6979] ? rtnetlink_bind+0x80/0x80 [ 70.541550][ T6979] rtnetlink_rcv+0x1c/0x20 [ 70.545989][ T6979] netlink_unicast+0x766/0x920 [ 70.550845][ T6979] netlink_sendmsg+0x983/0xd20 [ 70.555620][ T6979] ? netlink_getsockopt+0xa60/0xa60 [ 70.560807][ T6979] ____sys_sendmsg+0x544/0x850 [ 70.565568][ T6979] ? import_iovec+0xe5/0x120 [ 70.570147][ T6979] __sys_sendmsg+0x2bf/0x370 [ 70.574747][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.580289][ T6979] ? __f_unlock_pos+0x1c/0x20 [ 70.584961][ T6979] ? check_preemption_disabled+0x5b/0x170 [ 70.590672][ T6979] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 70.596641][ T6979] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.602186][ T6979] ? lockdep_hardirqs_on+0x7e/0x110 [ 70.607377][ T6979] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 70.613439][ T6979] __x64_sys_sendmsg+0x7f/0x90 [ 70.618199][ T6979] do_syscall_64+0x3f/0xb0 [ 70.622599][ T6979] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.628472][ T6979] RIP: 0033:0x461229 [ 70.632353][ T6979] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 70.652139][ T6979] RSP: 002b:00007f2d12b061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.660555][ T6979] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 70.668512][ T6979] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 70.676471][ T6979] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 70.684553][ T6979] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 70.692525][ T6979] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f2d12b066bc [ 70.701963][ T6979] batman_adv: batadv0: Adding interface: team0 [ 70.708165][ T6979] batman_adv: batadv0: The MTU of interface team0 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. [ 70.733501][ T6979] batman_adv: batadv0: Interface activated: team0 [ 70.784831][ T6989] device bridge_slave_1 left promiscuous mode [ 70.791061][ T6989] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.798640][ T6989] FAULT_INJECTION: forcing a failure. [ 70.798640][ T6989] name failslab, interval 1, probability 0, space 0, times 0 [ 70.811372][ T6989] CPU: 0 PID: 6989 Comm: syz-executor.4 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 70.821440][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.831849][ T6989] Call Trace: [ 70.835158][ T6989] dump_stack+0x1d8/0x298 [ 70.839496][ T6989] should_fail+0x3c0/0x510 [ 70.843925][ T6989] __should_failslab+0x9f/0xe0 [ 70.848873][ T6989] should_failslab+0x9/0x20 [ 70.853507][ T6989] kmem_cache_alloc_node_trace+0x78/0x300 [ 70.859416][ T6989] ? rcu_read_lock_sched_held+0x33/0xa0 [ 70.865062][ T6989] ? trace_kmem_cache_alloc_node+0x47/0xf0 [ 70.870891][ T6989] __kmalloc_node_track_caller+0x3c/0x60 [ 70.876536][ T6989] ? fdb_notify+0xa7/0x150 [ 70.880963][ T6989] __alloc_skb+0x1e5/0x760 [ 70.885403][ T6989] fdb_notify+0xa7/0x150 [ 70.889750][ T6989] fdb_delete+0xa2c/0xb50 [ 70.894100][ T6989] br_fdb_delete_by_port+0x16b/0x320 [ 70.899397][ T6989] br_stp_disable_port+0x11a/0x1b0 [ 70.904685][ T6989] del_nbp+0x141/0xa80 [ 70.908752][ T6989] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.914309][ T6989] ? lock_is_held_type+0xd5/0x140 [ 70.919602][ T6989] ? lockdep_rtnl_is_held+0xa/0x30 [ 70.924922][ T6989] br_del_if+0x143/0x3f0 [ 70.929320][ T6989] ? __kasan_check_read+0x11/0x20 [ 70.934441][ T6989] ? mutex_is_locked+0x12/0x40 [ 70.939201][ T6989] br_del_slave+0x24/0x30 [ 70.943541][ T6989] do_setlink+0xdd2/0x3df0 [ 70.947968][ T6989] ? __nla_validate_parse+0x1b43/0x2510 [ 70.953509][ T6989] ? rtnl_newlink+0x77/0x1b30 [ 70.958200][ T6989] ? __kasan_check_read+0x11/0x20 [ 70.963233][ T6989] rtnl_newlink+0x149b/0x1b30 [ 70.967916][ T6989] ? __kasan_check_read+0x11/0x20 [ 70.972953][ T6989] ? __lock_acquire+0x1283/0x55d0 [ 70.978044][ T6989] ? __mutex_lock_common+0x19c2/0x2f60 [ 70.983496][ T6989] ? rtnetlink_rcv_msg+0x848/0xd50 [ 70.988608][ T6989] ? check_preemption_disabled+0x5b/0x170 [ 70.994313][ T6989] ? __this_cpu_preempt_check+0x1c/0x20 [ 70.999836][ T6989] ? lock_is_held_type+0xd5/0x140 [ 71.004841][ T6989] ? rtnl_setlink+0x410/0x410 [ 71.009512][ T6989] rtnetlink_rcv_msg+0x895/0xd50 [ 71.014450][ T6989] ? check_preemption_disabled+0x5b/0x170 [ 71.020155][ T6989] ? __local_bh_enable_ip+0x13d/0x1d0 [ 71.025542][ T6989] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.031218][ T6989] ? lockdep_hardirqs_on+0x7e/0x110 [ 71.036418][ T6989] ? __local_bh_enable_ip+0x13d/0x1d0 [ 71.041775][ T6989] ? local_bh_enable+0x9/0x30 [ 71.046455][ T6989] ? trace_hardirqs_on+0x7f/0x90 [ 71.051571][ T6989] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.057102][ T6989] ? lock_is_held_type+0xd5/0x140 [ 71.062113][ T6989] ? check_preemption_disabled+0x5b/0x170 [ 71.067902][ T6989] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.073541][ T6989] ? lock_release+0x487/0x6f0 [ 71.078200][ T6989] ? rcu_lock_release+0x9/0x30 [ 71.082964][ T6989] netlink_rcv_skb+0x19e/0x3e0 [ 71.087741][ T6989] ? rtnetlink_bind+0x80/0x80 [ 71.092429][ T6989] rtnetlink_rcv+0x1c/0x20 [ 71.096887][ T6989] netlink_unicast+0x766/0x920 [ 71.101644][ T6989] netlink_sendmsg+0x983/0xd20 [ 71.106541][ T6989] ? netlink_getsockopt+0xa60/0xa60 [ 71.111854][ T6989] ____sys_sendmsg+0x544/0x850 [ 71.116637][ T6989] ? import_iovec+0xe5/0x120 [ 71.121314][ T6989] __sys_sendmsg+0x2bf/0x370 [ 71.125899][ T6989] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.131693][ T6989] ? __f_unlock_pos+0x1c/0x20 [ 71.136468][ T6989] ? check_preemption_disabled+0x5b/0x170 [ 71.142217][ T6989] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 71.148192][ T6989] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.153727][ T6989] ? lockdep_hardirqs_on+0x7e/0x110 [ 71.158999][ T6989] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 71.164975][ T6989] __x64_sys_sendmsg+0x7f/0x90 [ 71.169770][ T6989] do_syscall_64+0x3f/0xb0 [ 71.174274][ T6989] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.180269][ T6989] RIP: 0033:0x461229 [ 71.184160][ T6989] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 71.203749][ T6989] RSP: 002b:00007f9eb73031a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.212251][ T6989] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 71.220295][ T6989] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 71.228269][ T6989] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 71.236248][ T6989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 71.244234][ T6989] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9eb73036bc [ 71.306588][ T6989] batman_adv: batadv0: Adding interface: bridge_slave_1 [ 71.313710][ T6989] batman_adv: batadv0: The MTU of interface bridge_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. [ 71.340369][ T6989] batman_adv: batadv0: Interface activated: bridge_slave_1 [ 71.349208][ T6991] FAULT_INJECTION: forcing a failure. [ 71.349208][ T6991] name failslab, interval 1, probability 0, space 0, times 0 [ 71.365406][ T6991] CPU: 0 PID: 6991 Comm: syz-executor.3 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 71.375577][ T6991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.385726][ T6991] Call Trace: [ 71.389011][ T6991] dump_stack+0x1d8/0x298 [ 71.393361][ T6991] should_fail+0x3c0/0x510 [ 71.397803][ T6991] __should_failslab+0x9f/0xe0 [ 71.402570][ T6991] should_failslab+0x9/0x20 [ 71.402593][ T6991] kmem_cache_alloc_node+0x74/0x2f0 [ 71.402622][ T6991] __alloc_skb+0xdd/0x760 [ 71.402648][ T6991] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 71.402675][ T6991] rtnetlink_event+0xf2/0x1b0 [ 71.412417][ T6991] raw_notifier_call_chain+0xff/0x170 [ 71.412447][ T6991] __netdev_upper_dev_link+0x9da/0x1ae0 [ 71.412477][ T6991] ? default_do_nmi+0x151/0x170 [ 71.412499][ T6991] ? check_preemption_disabled+0x5b/0x170 [ 71.448333][ T6991] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.454025][ T6991] ? lock_release+0x487/0x6f0 [ 71.458692][ T6991] ? rcu_lock_release+0xd/0x30 [ 71.463591][ T6991] ? netdev_master_upper_dev_link+0x47/0x90 [ 71.469714][ T6991] netdev_master_upper_dev_link+0x63/0x90 [ 71.475432][ T6991] batadv_hardif_enable_interface+0x2c4/0xac0 [ 71.481587][ T6991] ? rcu_lock_release+0x21/0x30 [ 71.486451][ T6991] batadv_softif_slave_add+0x9f/0x130 [ 71.491844][ T6991] do_setlink+0xd54/0x3df0 [ 71.496348][ T6991] ? __nla_validate_parse+0x1b43/0x2510 [ 71.501919][ T6991] ? rtnl_newlink+0x77/0x1b30 [ 71.506602][ T6991] ? __kasan_check_read+0x11/0x20 [ 71.511619][ T6991] rtnl_newlink+0x149b/0x1b30 [ 71.516304][ T6991] ? __kasan_check_read+0x11/0x20 [ 71.521322][ T6991] ? __lock_acquire+0x1283/0x55d0 [ 71.526972][ T6991] ? __mutex_lock_common+0x19c2/0x2f60 [ 71.532424][ T6991] ? rtnetlink_rcv_msg+0x848/0xd50 [ 71.537539][ T6991] ? check_preemption_disabled+0x5b/0x170 [ 71.543258][ T6991] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.548795][ T6991] ? lock_is_held_type+0xd5/0x140 [ 71.553905][ T6991] ? rtnl_setlink+0x410/0x410 [ 71.558568][ T6991] rtnetlink_rcv_msg+0x895/0xd50 [ 71.563514][ T6991] ? check_preemption_disabled+0x5b/0x170 [ 71.569218][ T6991] ? __local_bh_enable_ip+0x13d/0x1d0 [ 71.574578][ T6991] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.580197][ T6991] ? lockdep_hardirqs_on+0x7e/0x110 [ 71.585474][ T6991] ? __local_bh_enable_ip+0x13d/0x1d0 [ 71.590832][ T6991] ? local_bh_enable+0x9/0x30 [ 71.595507][ T6991] ? trace_hardirqs_on+0x7f/0x90 [ 71.600427][ T6991] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.605965][ T6991] ? lock_is_held_type+0xd5/0x140 [ 71.610999][ T6991] ? check_preemption_disabled+0x5b/0x170 [ 71.616714][ T6991] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.622241][ T6991] ? lock_release+0x487/0x6f0 [ 71.627002][ T6991] ? rcu_lock_release+0x9/0x30 [ 71.631848][ T6991] netlink_rcv_skb+0x19e/0x3e0 [ 71.636598][ T6991] ? rtnetlink_bind+0x80/0x80 [ 71.641280][ T6991] rtnetlink_rcv+0x1c/0x20 [ 71.645680][ T6991] netlink_unicast+0x766/0x920 [ 71.650454][ T6991] netlink_sendmsg+0x983/0xd20 [ 71.655214][ T6991] ? netlink_getsockopt+0xa60/0xa60 [ 71.660415][ T6991] ____sys_sendmsg+0x544/0x850 [ 71.665187][ T6991] ? import_iovec+0xe5/0x120 [ 71.669781][ T6991] __sys_sendmsg+0x2bf/0x370 [ 71.674375][ T6991] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.679918][ T6991] ? __f_unlock_pos+0x1c/0x20 [ 71.684612][ T6991] ? check_preemption_disabled+0x5b/0x170 [ 71.690357][ T6991] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 71.696331][ T6991] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.701890][ T6991] ? lockdep_hardirqs_on+0x7e/0x110 [ 71.707084][ T6991] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 71.713069][ T6991] __x64_sys_sendmsg+0x7f/0x90 [ 71.718213][ T6991] do_syscall_64+0x3f/0xb0 [ 71.722652][ T6991] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.728538][ T6991] RIP: 0033:0x461229 [ 71.732464][ T6991] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 71.752161][ T6991] RSP: 002b:00007f9d29cb51a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.760737][ T6991] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 71.768699][ T6991] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 71.776851][ T6991] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 71.784804][ T6991] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 71.792778][ T6991] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9d29cb56bc [ 71.839768][ T6991] batman_adv: batadv0: Adding interface: veth0 [ 71.846347][ T6991] batman_adv: batadv0: The MTU of interface veth0 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. [ 71.871930][ T6991] batman_adv: batadv0: Interface activated: veth0 [ 71.881104][ T6993] FAULT_INJECTION: forcing a failure. [ 71.881104][ T6993] name failslab, interval 1, probability 0, space 0, times 0 [ 71.895754][ T6993] CPU: 0 PID: 6993 Comm: syz-executor.0 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 71.905838][ T6993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.915901][ T6993] Call Trace: [ 71.919183][ T6993] dump_stack+0x1d8/0x298 [ 71.923529][ T6993] should_fail+0x3c0/0x510 [ 71.927958][ T6993] __should_failslab+0x9f/0xe0 [ 71.932725][ T6993] should_failslab+0x9/0x20 [ 71.937234][ T6993] kmem_cache_alloc_node+0x74/0x2f0 [ 71.942446][ T6993] __alloc_skb+0xdd/0x760 [ 71.942476][ T6993] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 71.942506][ T6993] rtnetlink_event+0xf2/0x1b0 [ 71.942529][ T6993] raw_notifier_call_chain+0xff/0x170 [ 71.942555][ T6993] __netdev_upper_dev_link+0x9da/0x1ae0 [ 71.952215][ T6993] ? default_do_nmi+0x151/0x170 [ 71.952241][ T6993] ? check_preemption_disabled+0x5b/0x170 [ 71.952262][ T6993] ? __this_cpu_preempt_check+0x1c/0x20 [ 71.952279][ T6993] ? lock_release+0x487/0x6f0 [ 71.952293][ T6993] ? rcu_lock_release+0xd/0x30 [ 71.952315][ T6993] ? netdev_master_upper_dev_link+0x47/0x90 [ 71.999195][ T6993] netdev_master_upper_dev_link+0x63/0x90 [ 72.004957][ T6993] batadv_hardif_enable_interface+0x2c4/0xac0 [ 72.011037][ T6993] ? rcu_lock_release+0x21/0x30 [ 72.015917][ T6993] batadv_softif_slave_add+0x9f/0x130 [ 72.021297][ T6993] do_setlink+0xd54/0x3df0 [ 72.025717][ T6993] ? __nla_validate_parse+0x1b43/0x2510 [ 72.031271][ T6993] ? rtnl_newlink+0x77/0x1b30 [ 72.035962][ T6993] ? __kasan_check_read+0x11/0x20 [ 72.040987][ T6993] rtnl_newlink+0x149b/0x1b30 [ 72.045696][ T6993] ? __kasan_check_read+0x11/0x20 [ 72.050726][ T6993] ? __lock_acquire+0x1283/0x55d0 [ 72.055770][ T6993] ? __mutex_lock_common+0x19c2/0x2f60 [ 72.061220][ T6993] ? rtnetlink_rcv_msg+0x848/0xd50 [ 72.066333][ T6993] ? check_preemption_disabled+0x5b/0x170 [ 72.072042][ T6993] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.077574][ T6993] ? lock_is_held_type+0xd5/0x140 [ 72.082590][ T6993] ? rtnl_setlink+0x410/0x410 [ 72.087263][ T6993] rtnetlink_rcv_msg+0x895/0xd50 [ 72.092200][ T6993] ? check_preemption_disabled+0x5b/0x170 [ 72.097925][ T6993] ? __local_bh_enable_ip+0x13d/0x1d0 [ 72.103280][ T6993] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.108825][ T6993] ? lockdep_hardirqs_on+0x7e/0x110 [ 72.114006][ T6993] ? __local_bh_enable_ip+0x13d/0x1d0 [ 72.119368][ T6993] ? local_bh_enable+0x9/0x30 [ 72.124116][ T6993] ? trace_hardirqs_on+0x7f/0x90 [ 72.129045][ T6993] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.134678][ T6993] ? lock_is_held_type+0xd5/0x140 [ 72.139702][ T6993] ? check_preemption_disabled+0x5b/0x170 [ 72.145418][ T6993] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.150944][ T6993] ? lock_release+0x487/0x6f0 [ 72.155609][ T6993] ? rcu_lock_release+0x9/0x30 [ 72.160392][ T6993] netlink_rcv_skb+0x19e/0x3e0 [ 72.165263][ T6993] ? rtnetlink_bind+0x80/0x80 [ 72.169934][ T6993] rtnetlink_rcv+0x1c/0x20 [ 72.174331][ T6993] netlink_unicast+0x766/0x920 [ 72.179096][ T6993] netlink_sendmsg+0x983/0xd20 [ 72.183966][ T6993] ? netlink_getsockopt+0xa60/0xa60 [ 72.190231][ T6993] ____sys_sendmsg+0x544/0x850 [ 72.194989][ T6993] ? import_iovec+0xe5/0x120 [ 72.199564][ T6993] __sys_sendmsg+0x2bf/0x370 [ 72.204157][ T6993] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.209700][ T6993] ? __f_unlock_pos+0x1c/0x20 [ 72.214386][ T6993] ? check_preemption_disabled+0x5b/0x170 [ 72.220095][ T6993] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 72.226611][ T6993] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.232236][ T6993] ? lockdep_hardirqs_on+0x7e/0x110 [ 72.237445][ T6993] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 72.243506][ T6993] __x64_sys_sendmsg+0x7f/0x90 [ 72.248537][ T6993] do_syscall_64+0x3f/0xb0 [ 72.252967][ T6993] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.258858][ T6993] RIP: 0033:0x461229 [ 72.262737][ T6993] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 72.282588][ T6993] RSP: 002b:00007fd922c061a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.290994][ T6993] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 72.298969][ T6993] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 72.307107][ T6993] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 72.315190][ T6993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 72.323163][ T6993] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007fd922c066bc [ 72.334036][ T6993] batman_adv: batadv0: Adding interface: veth0_to_team [ 72.341220][ T6993] batman_adv: batadv0: The MTU of interface veth0_to_team 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. [ 72.368674][ T6993] batman_adv: batadv0: Interface activated: veth0_to_team [ 72.379713][ T7000] bond0: (slave bond_slave_0): Releasing backup interface [ 72.441478][ T7000] FAULT_INJECTION: forcing a failure. [ 72.441478][ T7000] name failslab, interval 1, probability 0, space 0, times 0 [ 72.464832][ T7000] CPU: 1 PID: 7000 Comm: syz-executor.1 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 72.475110][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.485404][ T7000] Call Trace: [ 72.488689][ T7000] dump_stack+0x1d8/0x298 [ 72.493022][ T7000] should_fail+0x3c0/0x510 [ 72.497444][ T7000] __should_failslab+0x9f/0xe0 [ 72.502234][ T7000] should_failslab+0x9/0x20 [ 72.506928][ T7000] kmem_cache_alloc_node+0x74/0x2f0 [ 72.512430][ T7000] __alloc_skb+0xdd/0x760 [ 72.516774][ T7000] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 72.522270][ T7000] rtnetlink_event+0xf2/0x1b0 [ 72.526954][ T7000] raw_notifier_call_chain+0xff/0x170 [ 72.532347][ T7000] netdev_change_features+0xfc/0x150 [ 72.537851][ T7000] bond_compute_features+0x626/0x6e0 [ 72.543171][ T7000] __bond_release_one+0xc79/0x1640 [ 72.548278][ T7000] ? __dev_notify_flags+0x398/0x4d0 [ 72.553470][ T7000] ? __kasan_check_read+0x11/0x20 [ 72.558494][ T7000] bond_release+0x21/0x30 [ 72.562827][ T7000] do_setlink+0xdd2/0x3df0 [ 72.567245][ T7000] ? __nla_validate_parse+0x1b43/0x2510 [ 72.572977][ T7000] ? rtnl_newlink+0x77/0x1b30 [ 72.577662][ T7000] ? __kasan_check_read+0x11/0x20 [ 72.582702][ T7000] rtnl_newlink+0x149b/0x1b30 [ 72.587374][ T7000] ? __kasan_check_read+0x11/0x20 [ 72.592379][ T7000] ? __lock_acquire+0x1283/0x55d0 [ 72.597458][ T7000] ? __mutex_lock_common+0x19c2/0x2f60 [ 72.602918][ T7000] ? rtnetlink_rcv_msg+0x848/0xd50 [ 72.608015][ T7000] ? check_preemption_disabled+0x5b/0x170 [ 72.613717][ T7000] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.619246][ T7000] ? lock_is_held_type+0xd5/0x140 [ 72.624363][ T7000] ? rtnl_setlink+0x410/0x410 [ 72.629038][ T7000] rtnetlink_rcv_msg+0x895/0xd50 [ 72.634047][ T7000] ? check_preemption_disabled+0x5b/0x170 [ 72.640190][ T7000] ? __local_bh_enable_ip+0x13d/0x1d0 [ 72.645847][ T7000] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.651482][ T7000] ? lockdep_hardirqs_on+0x7e/0x110 [ 72.656669][ T7000] ? __local_bh_enable_ip+0x13d/0x1d0 [ 72.662037][ T7000] ? local_bh_enable+0x9/0x30 [ 72.666704][ T7000] ? trace_hardirqs_on+0x7f/0x90 [ 72.671714][ T7000] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.677253][ T7000] ? lock_is_held_type+0xd5/0x140 [ 72.682292][ T7000] ? check_preemption_disabled+0x5b/0x170 [ 72.688007][ T7000] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.693685][ T7000] ? lock_release+0x487/0x6f0 [ 72.698492][ T7000] ? rcu_lock_release+0x9/0x30 [ 72.703392][ T7000] netlink_rcv_skb+0x19e/0x3e0 [ 72.708166][ T7000] ? rtnetlink_bind+0x80/0x80 [ 72.712836][ T7000] rtnetlink_rcv+0x1c/0x20 [ 72.717242][ T7000] netlink_unicast+0x766/0x920 [ 72.722030][ T7000] netlink_sendmsg+0x983/0xd20 [ 72.726800][ T7000] ? netlink_getsockopt+0xa60/0xa60 [ 72.732196][ T7000] ____sys_sendmsg+0x544/0x850 [ 72.736964][ T7000] ? import_iovec+0xe5/0x120 [ 72.741561][ T7000] __sys_sendmsg+0x2bf/0x370 [ 72.746164][ T7000] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.751696][ T7000] ? __f_unlock_pos+0x1c/0x20 [ 72.756473][ T7000] ? check_preemption_disabled+0x5b/0x170 [ 72.762373][ T7000] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 72.768365][ T7000] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.773931][ T7000] ? lockdep_hardirqs_on+0x7e/0x110 [ 72.779293][ T7000] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 72.785289][ T7000] __x64_sys_sendmsg+0x7f/0x90 [ 72.790066][ T7000] do_syscall_64+0x3f/0xb0 [ 72.794480][ T7000] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.800990][ T7000] RIP: 0033:0x461229 [ 72.804976][ T7000] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 72.825072][ T7000] RSP: 002b:00007f74084e61a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.833605][ T7000] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 72.841790][ T7000] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 72.849847][ T7000] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 72.857819][ T7000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 72.865969][ T7000] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f74084e66bc 2021/06/06 13:04:30 executed programs: 72 [ 72.996036][ T7000] batman_adv: batadv0: Adding interface: bond_slave_0 [ 73.002854][ T7000] batman_adv: batadv0: The MTU of interface bond_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. [ 73.028832][ T7000] batman_adv: batadv0: Not using interface bond_slave_0 (retrying later): interface not active [ 73.066932][ T7012] bond0: (slave bond_slave_0): Releasing backup interface [ 73.114441][ T7012] FAULT_INJECTION: forcing a failure. [ 73.114441][ T7012] name failslab, interval 1, probability 0, space 0, times 0 [ 73.127808][ T7012] CPU: 1 PID: 7012 Comm: syz-executor.4 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 73.138065][ T7012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.148125][ T7012] Call Trace: [ 73.151414][ T7012] dump_stack+0x1d8/0x298 [ 73.155764][ T7012] should_fail+0x3c0/0x510 [ 73.160201][ T7012] __should_failslab+0x9f/0xe0 [ 73.165932][ T7012] should_failslab+0x9/0x20 [ 73.170449][ T7012] kmem_cache_alloc_node+0x74/0x2f0 [ 73.175800][ T7012] __alloc_skb+0xdd/0x760 [ 73.180326][ T7012] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 73.185714][ T7012] rtnetlink_event+0xf2/0x1b0 [ 73.185743][ T7012] raw_notifier_call_chain+0xff/0x170 [ 73.185767][ T7012] netdev_change_features+0xfc/0x150 [ 73.185789][ T7012] bond_compute_features+0x626/0x6e0 [ 73.185819][ T7012] __bond_release_one+0xc79/0x1640 [ 73.185855][ T7012] ? __dev_notify_flags+0x398/0x4d0 [ 73.185875][ T7012] ? __kasan_check_read+0x11/0x20 [ 73.201167][ T7012] bond_release+0x21/0x30 [ 73.201192][ T7012] do_setlink+0xdd2/0x3df0 [ 73.230459][ T7012] ? __nla_validate_parse+0x1b43/0x2510 [ 73.236033][ T7012] ? rtnl_newlink+0x77/0x1b30 [ 73.240910][ T7012] ? __kasan_check_read+0x11/0x20 [ 73.246043][ T7012] rtnl_newlink+0x149b/0x1b30 [ 73.250928][ T7012] ? __kasan_check_read+0x11/0x20 [ 73.256052][ T7012] ? __lock_acquire+0x1283/0x55d0 [ 73.261151][ T7012] ? __mutex_lock_common+0x19c2/0x2f60 [ 73.266616][ T7012] ? rtnetlink_rcv_msg+0x848/0xd50 [ 73.271848][ T7012] ? check_preemption_disabled+0x5b/0x170 [ 73.277587][ T7012] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.283139][ T7012] ? lock_is_held_type+0xd5/0x140 [ 73.288307][ T7012] ? rtnl_setlink+0x410/0x410 [ 73.292998][ T7012] rtnetlink_rcv_msg+0x895/0xd50 [ 73.293031][ T7012] ? check_preemption_disabled+0x5b/0x170 [ 73.303648][ T7012] ? __local_bh_enable_ip+0x13d/0x1d0 [ 73.309011][ T7012] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.309032][ T7012] ? lockdep_hardirqs_on+0x7e/0x110 [ 73.319737][ T7012] ? __local_bh_enable_ip+0x13d/0x1d0 [ 73.325113][ T7012] ? local_bh_enable+0x9/0x30 [ 73.329797][ T7012] ? trace_hardirqs_on+0x7f/0x90 [ 73.334740][ T7012] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.340287][ T7012] ? lock_is_held_type+0xd5/0x140 [ 73.345504][ T7012] ? check_preemption_disabled+0x5b/0x170 [ 73.351238][ T7012] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.357008][ T7012] ? lock_release+0x487/0x6f0 [ 73.361678][ T7012] ? rcu_lock_release+0x9/0x30 [ 73.366454][ T7012] netlink_rcv_skb+0x19e/0x3e0 [ 73.371218][ T7012] ? rtnetlink_bind+0x80/0x80 [ 73.375906][ T7012] rtnetlink_rcv+0x1c/0x20 [ 73.380337][ T7012] netlink_unicast+0x766/0x920 [ 73.385141][ T7012] netlink_sendmsg+0x983/0xd20 [ 73.390013][ T7012] ? netlink_getsockopt+0xa60/0xa60 [ 73.395217][ T7012] ____sys_sendmsg+0x544/0x850 [ 73.399992][ T7012] ? import_iovec+0xe5/0x120 [ 73.404608][ T7012] __sys_sendmsg+0x2bf/0x370 [ 73.409487][ T7012] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.415045][ T7012] ? __f_unlock_pos+0x1c/0x20 [ 73.419747][ T7012] ? check_preemption_disabled+0x5b/0x170 [ 73.425487][ T7012] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 73.431511][ T7012] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.437046][ T7012] ? lockdep_hardirqs_on+0x7e/0x110 [ 73.442239][ T7012] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 73.448203][ T7012] __x64_sys_sendmsg+0x7f/0x90 [ 73.452953][ T7012] do_syscall_64+0x3f/0xb0 [ 73.457362][ T7012] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.463253][ T7012] RIP: 0033:0x461229 [ 73.467135][ T7012] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 73.486914][ T7012] RSP: 002b:00007f9eb73031a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.495440][ T7012] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 73.503427][ T7012] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 73.511399][ T7012] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 73.519351][ T7012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 73.527308][ T7012] R13: 00000000004f6b08 R14: 00000000004b372c R15: 00007f9eb73036bc [ 73.652555][ T7012] batman_adv: batadv0: Adding interface: bond_slave_0 [ 73.661421][ T7012] batman_adv: batadv0: The MTU of interface bond_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. [ 73.687945][ T7012] batman_adv: batadv0: Not using interface bond_slave_0 (retrying later): interface not active [ 73.700952][ T7017] FAULT_INJECTION: forcing a failure. [ 73.700952][ T7017] name failslab, interval 1, probability 0, space 0, times 0 [ 73.713843][ T7017] CPU: 1 PID: 7017 Comm: syz-executor.3 Tainted: G W 5.13.0-rc4-syzkaller #0 [ 73.724203][ T7017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.734292][ T7017] Call Trace: [ 73.737579][ T7017] dump_stack+0x1d8/0x298 [ 73.741927][ T7017] should_fail+0x3c0/0x510 [ 73.746368][ T7017] __should_failslab+0x9f/0xe0 [ 73.751158][ T7017] should_failslab+0x9/0x20 [ 73.755692][ T7017] kmem_cache_alloc_node+0x74/0x2f0 [ 73.760911][ T7017] __alloc_skb+0xdd/0x760 [ 73.765262][ T7017] rtmsg_ifinfo_build_skb+0x7f/0x180 [ 73.770649][ T7017] rtnetlink_event+0xf2/0x1b0 [ 73.770677][ T7017] raw_notifier_call_chain+0xff/0x170 [ 73.770706][ T7017] __netdev_upper_dev_link+0x9da/0x1ae0 [ 73.770736][ T7017] ? default_do_nmi+0x151/0x170 [ 73.780764][ T7017] ? check_preemption_disabled+0x5b/0x170 [ 73.780789][ T7017] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.780806][ T7017] ? lock_release+0x487/0x6f0 [ 73.780821][ T7017] ? rcu_lock_release+0xd/0x30 [ 73.780839][ T7017] ? netdev_master_upper_dev_link+0x47/0x90 [ 73.780865][ T7017] netdev_master_upper_dev_link+0x63/0x90 [ 73.824328][ T7017] batadv_hardif_enable_interface+0x2c4/0xac0 [ 73.830763][ T7017] ? rcu_lock_release+0x21/0x30 [ 73.835635][ T7017] batadv_softif_slave_add+0x9f/0x130 [ 73.841101][ T7017] do_setlink+0xd54/0x3df0 [ 73.845564][ T7017] ? __nla_validate_parse+0x1b43/0x2510 [ 73.851215][ T7017] ? rtnl_newlink+0x77/0x1b30 [ 73.856268][ T7017] ? __kasan_check_read+0x11/0x20 [ 73.861310][ T7017] rtnl_newlink+0x149b/0x1b30 [ 73.866021][ T7017] ? __kasan_check_read+0x11/0x20 [ 73.871188][ T7017] ? __lock_acquire+0x1283/0x55d0 [ 73.876274][ T7017] ? lockdep_hardirqs_on+0x7e/0x110 [ 73.881483][ T7017] ? irqentry_exit+0x66/0x90 [ 73.886073][ T7017] ? trace_hardirqs_on+0x7f/0x90 [ 73.891019][ T7017] ? irqentry_exit+0x66/0x90 [ 73.895605][ T7017] ? sysvec_apic_timer_interrupt+0x55/0xc0 [ 73.901432][ T7017] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 73.907597][ T7017] ? check_preemption_disabled+0x5b/0x170 [ 73.913325][ T7017] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.918878][ T7017] ? lock_is_held_type+0xd5/0x140 [ 73.924099][ T7017] ? rtnl_setlink+0x410/0x410 [ 73.928793][ T7017] rtnetlink_rcv_msg+0x895/0xd50 [ 73.933740][ T7017] ? check_preemption_disabled+0x5b/0x170 [ 73.939450][ T7017] ? __local_bh_enable_ip+0x13d/0x1d0 [ 73.944835][ T7017] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.950365][ T7017] ? lockdep_hardirqs_on+0x7e/0x110 [ 73.955552][ T7017] ? __local_bh_enable_ip+0x13d/0x1d0 [ 73.960922][ T7017] ? local_bh_enable+0x9/0x30 [ 73.965723][ T7017] ? trace_hardirqs_on+0x7f/0x90 [ 73.970680][ T7017] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.976417][ T7017] ? lock_is_held_type+0xd5/0x140 [ 73.981708][ T7017] ? check_preemption_disabled+0x5b/0x170 [ 73.987521][ T7017] ? __this_cpu_preempt_check+0x1c/0x20 [ 73.993057][ T7017] ? lock_release+0x487/0x6f0 [ 73.997725][ T7017] ? rcu_lock_release+0x9/0x30 [ 74.002495][ T7017] netlink_rcv_skb+0x19e/0x3e0 [ 74.007251][ T7017] ? rtnetlink_bind+0x80/0x80 [ 74.011954][ T7017] rtnetlink_rcv+0x1c/0x20 [ 74.016373][ T7017] netlink_unicast+0x766/0x920 [ 74.021154][ T7017] netlink_sendmsg+0x983/0xd20 [ 74.025951][ T7017] ? netlink_getsockopt+0xa60/0xa60 [ 74.031143][ T7017] ____sys_sendmsg+0x544/0x850 [ 74.035922][ T7017] ? import_iovec+0xe5/0x120 [ 74.040538][ T7017] __sys_sendmsg+0x2bf/0x370 [ 74.045139][ T7017] ? __this_cpu_preempt_check+0x1c/0x20 [ 74.050672][ T7017] ? __f_unlock_pos+0x1c/0x20 [ 74.055356][ T7017] ? check_preemption_disabled+0x5b/0x170 [ 74.061074][ T7017] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 74.067225][ T7017] ? __this_cpu_preempt_check+0x1c/0x20 [ 74.072756][ T7017] ? lockdep_hardirqs_on+0x7e/0x110 [ 74.077938][ T7017] ? syscall_enter_from_user_mode+0x26/0x1a0 [ 74.084039][ T7017] __x64_sys_sendmsg+0x7f/0x90 [ 74.088928][ T7017] do_syscall_64+0x3f/0xb0 [ 74.093426][ T7017] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.099306][ T7017] RIP: 0033:0x461229 [ 74.103208][ T7017] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 74.122813][ T7017] RSP: 002b:00007f9d29cb51a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.131215][ T7017] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461229 [ 74.139180][ T7017] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003