[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.880099][ T6868] IPVS: ftp: loaded support on port[0] = 21 [ 58.006398][ T7] tipc: TX() has been purged, node left! [ 60.176931][ T6848] can: request_module (can-proto-0) failed. [ 60.188187][ T6848] can: request_module (can-proto-0) failed. [ 60.198550][ T6848] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.5' (ECDSA) to the list of known hosts. 2020/10/11 22:56:56 parsed 1 programs 2020/10/11 22:56:57 executed programs: 0 [ 68.368679][ T6990] IPVS: ftp: loaded support on port[0] = 21 [ 68.373803][ T6992] IPVS: ftp: loaded support on port[0] = 21 [ 68.401056][ T6994] IPVS: ftp: loaded support on port[0] = 21 [ 68.474824][ T6996] IPVS: ftp: loaded support on port[0] = 21 [ 68.496058][ T7009] IPVS: ftp: loaded support on port[0] = 21 [ 68.597733][ T6992] chnl_net:caif_netlink_parms(): no params data found [ 68.659367][ T7014] IPVS: ftp: loaded support on port[0] = 21 [ 68.819972][ T6992] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.828673][ T6992] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.837285][ T6992] device bridge_slave_0 entered promiscuous mode [ 68.877492][ T6994] chnl_net:caif_netlink_parms(): no params data found [ 68.890713][ T6992] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.898494][ T6992] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.906817][ T6992] device bridge_slave_1 entered promiscuous mode [ 68.929629][ T6990] chnl_net:caif_netlink_parms(): no params data found [ 69.006735][ T6996] chnl_net:caif_netlink_parms(): no params data found [ 69.035314][ T6992] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.067432][ T7009] chnl_net:caif_netlink_parms(): no params data found [ 69.079414][ T6992] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.147941][ T6994] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.157670][ T6994] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.167402][ T6994] device bridge_slave_0 entered promiscuous mode [ 69.183442][ T6992] team0: Port device team_slave_0 added [ 69.195592][ T6992] team0: Port device team_slave_1 added [ 69.243158][ T6994] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.250234][ T6994] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.285410][ T6994] device bridge_slave_1 entered promiscuous mode [ 69.318250][ T6990] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.326637][ T6990] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.341863][ T6990] device bridge_slave_0 entered promiscuous mode [ 69.396640][ T6990] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.413021][ T6990] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.420481][ T6990] device bridge_slave_1 entered promiscuous mode [ 69.434682][ T6992] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.441612][ T6992] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.468353][ T6992] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.482432][ T6992] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.489361][ T6992] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.515552][ T6992] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.537377][ T6994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.558788][ T7014] chnl_net:caif_netlink_parms(): no params data found [ 69.584339][ T6992] device hsr_slave_0 entered promiscuous mode [ 69.590952][ T6992] device hsr_slave_1 entered promiscuous mode [ 69.598203][ T7009] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.606064][ T7009] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.614363][ T7009] device bridge_slave_0 entered promiscuous mode [ 69.625407][ T7009] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.632705][ T7009] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.640147][ T7009] device bridge_slave_1 entered promiscuous mode [ 69.649524][ T6994] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.665259][ T6996] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.673887][ T6996] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.681413][ T6996] device bridge_slave_0 entered promiscuous mode [ 69.701218][ T6990] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.717018][ T6990] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.738212][ T6996] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.745862][ T6996] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.753990][ T6996] device bridge_slave_1 entered promiscuous mode [ 69.784496][ T6994] team0: Port device team_slave_0 added [ 69.817176][ T6990] team0: Port device team_slave_0 added [ 69.824566][ T7009] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.838798][ T6994] team0: Port device team_slave_1 added [ 69.865171][ T6990] team0: Port device team_slave_1 added [ 69.873686][ T7009] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.891411][ T6996] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.905141][ T6996] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.925583][ T6994] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.932845][ T6994] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 69.959184][ T6994] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.989277][ T6990] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.997396][ T6990] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.025819][ T6990] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.043047][ T6994] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.049991][ T6994] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.077098][ T6994] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.097565][ T7009] team0: Port device team_slave_0 added [ 70.105576][ T7009] team0: Port device team_slave_1 added [ 70.113658][ T6990] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.120716][ T6990] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.147358][ T6990] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.168350][ T6996] team0: Port device team_slave_0 added [ 70.180629][ T7014] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.188427][ T7014] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.197826][ T7014] device bridge_slave_0 entered promiscuous mode [ 70.210711][ T7014] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.218080][ T7014] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.227939][ T7014] device bridge_slave_1 entered promiscuous mode [ 70.261356][ T6996] team0: Port device team_slave_1 added [ 70.288985][ T6994] device hsr_slave_0 entered promiscuous mode [ 70.299143][ T6994] device hsr_slave_1 entered promiscuous mode [ 70.306184][ T6994] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.314181][ T6994] Cannot create hsr debugfs directory [ 70.326975][ T7009] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.334675][ T7009] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.361111][ T7009] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.376712][ T7009] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.384486][ T7009] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.410959][ T7009] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.424309][ T7014] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.434093][ T6996] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.441042][ T6996] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.467902][ T6996] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.480538][ T6996] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.487771][ T6996] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.513681][ T6996] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.533338][ T7014] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.573596][ T6990] device hsr_slave_0 entered promiscuous mode [ 70.580649][ T6990] device hsr_slave_1 entered promiscuous mode [ 70.587905][ T6990] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.596383][ T6990] Cannot create hsr debugfs directory [ 70.608523][ T7009] device hsr_slave_0 entered promiscuous mode [ 70.617752][ T7009] device hsr_slave_1 entered promiscuous mode [ 70.624557][ T7009] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.632625][ T7009] Cannot create hsr debugfs directory [ 70.663864][ T7014] team0: Port device team_slave_0 added [ 70.709056][ T6996] device hsr_slave_0 entered promiscuous mode [ 70.716374][ T6996] device hsr_slave_1 entered promiscuous mode [ 70.724940][ T6996] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.733432][ T6996] Cannot create hsr debugfs directory [ 70.759682][ T7014] team0: Port device team_slave_1 added [ 70.810518][ T6992] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.864977][ T6992] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.879605][ T6992] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.903966][ T7014] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.910905][ T7014] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.937806][ T7014] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.950102][ T6992] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.977415][ T7014] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.987550][ T7014] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.019412][ T7014] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.096940][ T7014] device hsr_slave_0 entered promiscuous mode [ 71.105507][ T7014] device hsr_slave_1 entered promiscuous mode [ 71.112408][ T7014] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.119953][ T7014] Cannot create hsr debugfs directory [ 71.249752][ T6994] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.275595][ T6994] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.286725][ T6994] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.304649][ T6994] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.383134][ T6996] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.411301][ T6992] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.418464][ T6996] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.451288][ T6996] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.461305][ T6990] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.487850][ T6996] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.512873][ T6990] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.530115][ T6992] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.545777][ T6990] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.560580][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.569765][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.587473][ T7009] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.614855][ T6990] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.645555][ T7009] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.654586][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.668670][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.677609][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.684823][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.700537][ T6994] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.720623][ T7014] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.729933][ T7009] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.748670][ T7009] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.764958][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.778378][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.787257][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.796830][ T2486] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.803923][ T2486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.821849][ T7014] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.850564][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.858182][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.866657][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.878850][ T6994] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.887101][ T7014] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.900196][ T7014] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.937234][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.960308][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.969188][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.978268][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.987193][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.996269][ T3940] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.003392][ T3940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.035502][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.043576][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.051272][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.060072][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.069193][ T2648] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.076276][ T2648] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.115724][ T6996] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.125223][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.135289][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.144270][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.152746][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.161942][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.170497][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.179168][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.187761][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.214726][ T6992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.234661][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.249319][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.258849][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.270535][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.279757][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.291250][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.310829][ T7009] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.348260][ T6994] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.362475][ T6994] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.370922][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.379037][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.386531][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.394012][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.402930][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.414699][ T6996] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.429030][ T6992] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.458424][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.466378][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.475112][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.483231][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.490713][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.498391][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.510447][ T6990] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.520530][ T7009] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.535898][ T6994] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.550603][ T7014] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.558683][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.574013][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.585436][ T2648] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.592573][ T2648] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.605717][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.647728][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.656768][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.666960][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.674095][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.683124][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.691759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.700020][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.707112][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.715591][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.724385][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.732909][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.739943][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.748450][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.757207][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.765953][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.774700][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.799024][ T7014] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.819812][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.828582][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.844143][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.856380][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.865425][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.877931][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.886747][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.898758][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.908431][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.920615][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.930381][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.948296][ T6990] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.979802][ T6992] device veth0_vlan entered promiscuous mode [ 72.991984][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.999750][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.010805][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.020139][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.029417][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.038063][ T2486] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.045300][ T2486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.053147][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.062079][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.071116][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.080072][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.088741][ T2486] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.095859][ T2486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.103845][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.112491][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.120539][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.129429][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.141956][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.149696][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.158166][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.166696][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.175092][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.184434][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.193062][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.202236][ T2486] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.209410][ T2486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.227974][ T6996] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.239081][ T6996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.258838][ T7009] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.270200][ T7009] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.295025][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.303939][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.312577][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.320879][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.329618][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.338312][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.347116][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.355769][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.364402][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.373253][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.381911][ T2648] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.388966][ T2648] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.396854][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.407489][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.421731][ T6992] device veth1_vlan entered promiscuous mode [ 73.447761][ T6994] device veth0_vlan entered promiscuous mode [ 73.461950][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.470403][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.484192][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.495231][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.505984][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.515801][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.526178][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.536605][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.545565][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.553767][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.562322][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.579621][ T6990] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.590818][ T6990] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.607447][ T7009] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.626163][ T6994] device veth1_vlan entered promiscuous mode [ 73.650694][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.659610][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.679423][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.687683][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.696063][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.704583][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.713086][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.721404][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.729447][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.737111][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.744671][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.754096][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.763002][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.771911][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.780390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.789136][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.806067][ T6996] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.825404][ T7014] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.837825][ T7014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.852252][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.859853][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.869550][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.878368][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.887108][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.895192][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.930605][ T6992] device veth0_macvtap entered promiscuous mode [ 73.948563][ T6990] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.969997][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.987469][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.996988][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.009809][ T6992] device veth1_macvtap entered promiscuous mode [ 74.044420][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.053301][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.061680][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.070170][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.084557][ T6994] device veth0_macvtap entered promiscuous mode [ 74.104148][ T6994] device veth1_macvtap entered promiscuous mode [ 74.126010][ T6996] device veth0_vlan entered promiscuous mode [ 74.132630][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.145469][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.154502][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.162972][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.171039][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.179544][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.188351][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.198345][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.206853][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.214910][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.240366][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.249415][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.265496][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.274039][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.300359][ T6994] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.314815][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.324575][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.351658][ T6994] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.360421][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.370208][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.378898][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.388135][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.399471][ T6996] device veth1_vlan entered promiscuous mode [ 74.413940][ T7009] device veth0_vlan entered promiscuous mode [ 74.427297][ T6994] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.436790][ T6994] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.450599][ T6994] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.461004][ T6994] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.474856][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.484394][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.492860][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.500386][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.509341][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.520198][ T7014] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.530475][ T6992] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 74.542772][ T6992] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.556007][ T6992] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.569873][ T7009] device veth1_vlan entered promiscuous mode [ 74.579420][ T6990] device veth0_vlan entered promiscuous mode [ 74.596080][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.604531][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.612327][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.619845][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.628558][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.645052][ T6992] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 74.656635][ T6992] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.669577][ T6992] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.684441][ T6990] device veth1_vlan entered promiscuous mode [ 74.698831][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.709364][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.719851][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.729946][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.739586][ T2648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.770816][ T6992] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.780224][ T6992] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.794667][ T6992] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.808993][ T6992] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.844806][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.857189][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.870812][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.891025][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.909035][ T3940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.929601][ T6996] device veth0_macvtap entered promiscuous mode [ 74.988927][ T8243] FAULT_INJECTION: forcing a failure. [ 74.988927][ T8243] name failslab, interval 1, probability 0, space 0, times 1 [ 75.018001][ T8243] CPU: 1 PID: 8243 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 75.020639][ T6996] device veth1_macvtap entered promiscuous mode [ 75.026262][ T8243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.026279][ T8243] Call Trace: [ 75.026299][ T8243] dump_stack+0x1ac/0x21e [ 75.026319][ T8243] should_fail.cold+0x5/0xf [ 75.054705][ T8243] __should_failslab+0xb7/0x100 [ 75.059576][ T8243] should_failslab+0x9/0x14 [ 75.064070][ T8243] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 75.070215][ T8243] __kmalloc+0x70/0x300 [ 75.074548][ T8243] ? tty_write+0x664/0x850 [ 75.078967][ T8243] ? mutex_trylock+0x252/0x2d0 [ 75.083973][ T8243] tty_write+0x664/0x850 [ 75.088218][ T8243] ? n_tty_receive_char_lnext+0x710/0x710 [ 75.093964][ T8243] do_iter_write+0x4af/0x690 [ 75.098576][ T8243] vfs_writev+0x1c5/0x310 [ 75.102901][ T8243] ? vfs_iter_write+0xb0/0xb0 [ 75.107633][ T8243] ? lock_downgrade+0x920/0x920 [ 75.112502][ T8243] ? __fget_files+0x28f/0x410 [ 75.117209][ T8243] ? __fget_light+0xf1/0x270 [ 75.121803][ T8243] do_writev+0x161/0x340 [ 75.126101][ T8243] ? vfs_writev+0x310/0x310 [ 75.130608][ T8243] ? syscall_enter_from_user_mode+0x21/0x70 [ 75.136496][ T8243] ? lockdep_hardirqs_on+0x58/0x100 [ 75.141746][ T8243] __x64_sys_writev+0x75/0xb0 [ 75.146409][ T8243] ? syscall_enter_from_user_mode+0x21/0x70 [ 75.152295][ T8243] do_syscall_64+0x32/0x80 [ 75.156746][ T8243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.162624][ T8243] RIP: 0033:0x45b419 [ 75.166537][ T8243] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.186138][ T8243] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 75.194569][ T8243] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 75.202531][ T8243] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 75.210491][ T8243] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 75.218462][ T8243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 75.226481][ T8243] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 75.246691][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.260547][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 75.269073][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.278203][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.292375][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.302042][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.313152][ T7009] device veth0_macvtap entered promiscuous mode [ 75.326589][ T7014] device veth0_vlan entered promiscuous mode [ 75.338594][ T6990] device veth0_macvtap entered promiscuous mode 2020/10/11 22:57:04 executed programs: 6 [ 75.360620][ T6996] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 75.379104][ T8246] FAULT_INJECTION: forcing a failure. [ 75.379104][ T8246] name failslab, interval 1, probability 0, space 0, times 0 [ 75.393431][ T8246] CPU: 1 PID: 8246 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 75.401677][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.411737][ T8246] Call Trace: [ 75.415033][ T8246] dump_stack+0x1ac/0x21e [ 75.419373][ T8246] should_fail.cold+0x5/0xf [ 75.420269][ T6996] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.423891][ T8246] __should_failslab+0xb7/0x100 [ 75.423911][ T8246] should_failslab+0x9/0x14 [ 75.423928][ T8246] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 75.423957][ T8246] __kmalloc+0x70/0x300 [ 75.423975][ T8246] ? tty_write+0x664/0x850 [ 75.424002][ T8246] ? mutex_trylock+0x252/0x2d0 [ 75.424021][ T8246] tty_write+0x664/0x850 [ 75.424044][ T8246] ? n_tty_receive_char_lnext+0x710/0x710 [ 75.472631][ T8246] do_iter_write+0x4af/0x690 [ 75.477245][ T8246] vfs_writev+0x1c5/0x310 [ 75.481702][ T8246] ? vfs_iter_write+0xb0/0xb0 [ 75.483933][ T6996] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 75.486416][ T8246] ? lock_downgrade+0x920/0x920 [ 75.486453][ T8246] ? __fget_files+0x28f/0x410 [ 75.506355][ T8246] ? __fget_light+0xf1/0x270 [ 75.510952][ T8246] do_writev+0x161/0x340 [ 75.515207][ T8246] ? vfs_writev+0x310/0x310 [ 75.519837][ T8246] ? syscall_enter_from_user_mode+0x21/0x70 [ 75.525735][ T8246] ? lockdep_hardirqs_on+0x58/0x100 [ 75.530948][ T8246] __x64_sys_writev+0x75/0xb0 [ 75.535638][ T8246] ? syscall_enter_from_user_mode+0x21/0x70 [ 75.539240][ T6996] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.541589][ T8246] do_syscall_64+0x32/0x80 [ 75.541606][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.541617][ T8246] RIP: 0033:0x45b419 [ 75.541632][ T8246] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.541640][ T8246] RSP: 002b:00007f1b266bfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 75.541654][ T8246] RAX: ffffffffffffffda RBX: 00007f1b266c06d4 RCX: 000000000045b419 [ 75.541664][ T8246] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 75.541673][ T8246] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 75.541682][ T8246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 75.541690][ T8246] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 75.634941][ T8253] FAULT_INJECTION: forcing a failure. [ 75.634941][ T8253] name failslab, interval 1, probability 0, space 0, times 0 [ 75.645007][ T6996] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.669671][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.679093][ T8253] CPU: 1 PID: 8253 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 75.687344][ T8253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.697395][ T8253] Call Trace: [ 75.700693][ T8253] dump_stack+0x1ac/0x21e [ 75.705022][ T8253] should_fail.cold+0x5/0xf [ 75.709533][ T8253] __should_failslab+0xb7/0x100 [ 75.714393][ T8253] should_failslab+0x9/0x14 [ 75.718899][ T8253] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 75.725058][ T8253] __kmalloc+0x70/0x300 [ 75.729221][ T8253] ? tty_write+0x664/0x850 [ 75.733644][ T8253] ? mutex_trylock+0x252/0x2d0 [ 75.738416][ T8253] tty_write+0x664/0x850 [ 75.742722][ T8253] ? n_tty_receive_char_lnext+0x710/0x710 [ 75.748468][ T8253] do_iter_write+0x4af/0x690 [ 75.753072][ T8253] vfs_writev+0x1c5/0x310 [ 75.757429][ T8253] ? vfs_iter_write+0xb0/0xb0 [ 75.762125][ T8253] ? lock_downgrade+0x920/0x920 [ 75.766998][ T8253] ? __fget_files+0x28f/0x410 [ 75.771684][ T8253] ? __fget_light+0xf1/0x270 [ 75.776284][ T8253] do_writev+0x161/0x340 [ 75.780536][ T8253] ? vfs_writev+0x310/0x310 [ 75.785046][ T8253] ? syscall_enter_from_user_mode+0x21/0x70 [ 75.791077][ T8253] ? lockdep_hardirqs_on+0x58/0x100 [ 75.796287][ T8253] __x64_sys_writev+0x75/0xb0 [ 75.800975][ T8253] ? syscall_enter_from_user_mode+0x21/0x70 [ 75.806880][ T8253] do_syscall_64+0x32/0x80 [ 75.811306][ T8253] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.817246][ T8253] RIP: 0033:0x45b419 [ 75.821147][ T8253] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.840956][ T8253] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 75.848166][ T8259] FAULT_INJECTION: forcing a failure. [ 75.848166][ T8259] name failslab, interval 1, probability 0, space 0, times 0 [ 75.849362][ T8253] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 75.849371][ T8253] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 75.849380][ T8253] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 75.849389][ T8253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 75.849397][ T8253] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 75.869228][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 75.898736][ T8259] CPU: 0 PID: 8259 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 75.904300][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.909896][ T8259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.909906][ T8259] Call Trace: [ 75.920564][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.925792][ T8259] dump_stack+0x1ac/0x21e [ 75.925815][ T8259] should_fail.cold+0x5/0xf [ 75.925839][ T8259] __should_failslab+0xb7/0x100 [ 75.925863][ T8259] should_failslab+0x9/0x14 [ 75.938096][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 75.939190][ T8259] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 75.948109][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 75.951114][ T8259] __kmalloc+0x70/0x300 [ 75.951130][ T8259] ? tty_write+0x664/0x850 [ 75.951145][ T8259] ? mutex_trylock+0x252/0x2d0 [ 75.951167][ T8259] tty_write+0x664/0x850 [ 75.959270][ T7009] device veth1_macvtap entered promiscuous mode [ 75.960497][ T8259] ? n_tty_receive_char_lnext+0x710/0x710 [ 75.980916][ T7009] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 75.987142][ T8259] do_iter_write+0x4af/0x690 [ 75.987168][ T8259] vfs_writev+0x1c5/0x310 [ 75.991323][ T7009] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 75.995709][ T8259] ? vfs_iter_write+0xb0/0xb0 [ 76.000455][ T7009] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 76.004717][ T8259] ? lock_downgrade+0x920/0x920 [ 76.004749][ T8259] ? __fget_files+0x28f/0x410 [ 76.004772][ T8259] ? __fget_light+0xf1/0x270 [ 76.004795][ T8259] do_writev+0x161/0x340 [ 76.014145][ T7009] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.016869][ T8259] ? vfs_writev+0x310/0x310 [ 76.028356][ T7009] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 76.032053][ T8259] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.032069][ T8259] ? lockdep_hardirqs_on+0x58/0x100 [ 76.032090][ T8259] __x64_sys_writev+0x75/0xb0 [ 76.032107][ T8259] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.038738][ T7009] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.046206][ T8259] do_syscall_64+0x32/0x80 [ 76.046224][ T8259] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.046236][ T8259] RIP: 0033:0x45b419 [ 76.046251][ T8259] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.046265][ T8259] RSP: 002b:00007f1b2669ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 76.054080][ T7009] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.061473][ T8259] RAX: ffffffffffffffda RBX: 00007f1b2669f6d4 RCX: 000000000045b419 [ 76.061482][ T8259] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 76.061490][ T8259] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 76.061498][ T8259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 76.061507][ T8259] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 76.243516][ T6990] device veth1_macvtap entered promiscuous mode [ 76.258357][ T6996] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 76.291057][ T6996] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.301347][ T6996] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 76.312170][ T6996] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.324617][ T6996] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.336430][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.356696][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.369196][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.389233][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.391710][ T8262] FAULT_INJECTION: forcing a failure. [ 76.391710][ T8262] name failslab, interval 1, probability 0, space 0, times 0 [ 76.401745][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.428869][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.445691][ T7009] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 76.455594][ T8262] CPU: 0 PID: 8262 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 76.463140][ T8267] FAULT_INJECTION: forcing a failure. [ 76.463140][ T8267] name failslab, interval 1, probability 0, space 0, times 0 [ 76.464649][ T8262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.464655][ T8262] Call Trace: [ 76.464677][ T8262] dump_stack+0x1ac/0x21e [ 76.464703][ T8262] should_fail.cold+0x5/0xf [ 76.478414][ T7009] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.487521][ T8262] __should_failslab+0xb7/0x100 [ 76.487539][ T8262] should_failslab+0x9/0x14 [ 76.487553][ T8262] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 76.487569][ T8262] __kmalloc+0x70/0x300 [ 76.487582][ T8262] ? tty_write+0x664/0x850 [ 76.487601][ T8262] ? mutex_trylock+0x252/0x2d0 [ 76.492114][ T7009] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 76.495235][ T8262] tty_write+0x664/0x850 [ 76.495255][ T8262] ? n_tty_receive_char_lnext+0x710/0x710 [ 76.495279][ T8262] do_iter_write+0x4af/0x690 [ 76.502273][ T7009] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.509554][ T8262] vfs_writev+0x1c5/0x310 [ 76.509571][ T8262] ? vfs_iter_write+0xb0/0xb0 [ 76.509591][ T8262] ? lock_downgrade+0x920/0x920 [ 76.527771][ T7009] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 76.529225][ T8262] ? __fget_files+0x28f/0x410 [ 76.529246][ T8262] ? __fget_light+0xf1/0x270 [ 76.529266][ T8262] do_writev+0x161/0x340 [ 76.540463][ T7009] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.548839][ T8262] ? vfs_writev+0x310/0x310 [ 76.548857][ T8262] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.548872][ T8262] ? lockdep_hardirqs_on+0x58/0x100 [ 76.548895][ T8262] __x64_sys_writev+0x75/0xb0 [ 76.548906][ T8262] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.548923][ T8262] do_syscall_64+0x32/0x80 [ 76.570139][ T7009] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.573230][ T8262] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.573242][ T8262] RIP: 0033:0x45b419 [ 76.573258][ T8262] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.573267][ T8262] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 76.573282][ T8262] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 76.573290][ T8262] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 76.573304][ T8262] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 76.594579][ T7014] device veth1_vlan entered promiscuous mode [ 76.597504][ T8262] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 76.624194][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 76.625283][ T8262] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 76.723079][ T8267] CPU: 0 PID: 8267 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 76.763171][ T8267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.773235][ T8267] Call Trace: [ 76.776538][ T8267] dump_stack+0x1ac/0x21e [ 76.778026][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.780932][ T8267] should_fail.cold+0x5/0xf [ 76.780953][ T8267] __should_failslab+0xb7/0x100 [ 76.780969][ T8267] should_failslab+0x9/0x14 [ 76.780983][ T8267] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 76.781000][ T8267] __kmalloc+0x70/0x300 [ 76.790844][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 76.795290][ T8267] ? tty_write+0x664/0x850 [ 76.795308][ T8267] ? mutex_trylock+0x252/0x2d0 [ 76.795329][ T8267] tty_write+0x664/0x850 [ 76.795363][ T8267] ? n_tty_receive_char_lnext+0x710/0x710 [ 76.800401][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.804903][ T8267] do_iter_write+0x4af/0x690 [ 76.804934][ T8267] vfs_writev+0x1c5/0x310 [ 76.811124][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 76.815327][ T8267] ? vfs_iter_write+0xb0/0xb0 [ 76.815359][ T8267] ? lock_downgrade+0x920/0x920 [ 76.815388][ T8267] ? __fget_files+0x28f/0x410 [ 76.825861][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.830327][ T8267] ? __fget_light+0xf1/0x270 [ 76.830354][ T8267] do_writev+0x161/0x340 [ 76.835178][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 76.839433][ T8267] ? vfs_writev+0x310/0x310 [ 76.839448][ T8267] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.839465][ T8267] ? lockdep_hardirqs_on+0x58/0x100 [ 76.845313][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 76.854951][ T8267] __x64_sys_writev+0x75/0xb0 [ 76.854967][ T8267] ? syscall_enter_from_user_mode+0x21/0x70 [ 76.854980][ T8267] do_syscall_64+0x32/0x80 [ 76.854997][ T8267] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.861194][ T6990] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.863877][ T8267] RIP: 0033:0x45b419 [ 76.863893][ T8267] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.863907][ T8267] RSP: 002b:00007f1b266bfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 76.877436][ T6996] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.879060][ T8267] RAX: ffffffffffffffda RBX: 00007f1b266c06d4 RCX: 000000000045b419 [ 76.879073][ T8267] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 76.884961][ T6996] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.888679][ T8267] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 76.888688][ T8267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 76.888696][ T8267] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 77.074165][ T6996] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.089092][ T6996] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.100840][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.120861][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.138750][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.142137][ T8274] FAULT_INJECTION: forcing a failure. [ 77.142137][ T8274] name failslab, interval 1, probability 0, space 0, times 0 [ 77.148945][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.173391][ T7009] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.191611][ T8274] CPU: 0 PID: 8274 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 77.194427][ T7009] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.199851][ T8274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.199857][ T8274] Call Trace: [ 77.199876][ T8274] dump_stack+0x1ac/0x21e [ 77.199899][ T8274] should_fail.cold+0x5/0xf [ 77.209076][ T7009] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.218761][ T8274] __should_failslab+0xb7/0x100 [ 77.218779][ T8274] should_failslab+0x9/0x14 [ 77.218793][ T8274] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 77.218807][ T8274] __kmalloc+0x70/0x300 [ 77.218825][ T8274] ? tty_write+0x664/0x850 [ 77.222488][ T7009] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.226470][ T8274] ? mutex_trylock+0x252/0x2d0 [ 77.226508][ T8274] tty_write+0x664/0x850 [ 77.226533][ T8274] ? n_tty_receive_char_lnext+0x710/0x710 [ 77.285831][ T8276] FAULT_INJECTION: forcing a failure. [ 77.285831][ T8276] name failslab, interval 1, probability 0, space 0, times 0 [ 77.287447][ T8274] do_iter_write+0x4af/0x690 [ 77.287475][ T8274] vfs_writev+0x1c5/0x310 [ 77.308952][ T8274] ? vfs_iter_write+0xb0/0xb0 [ 77.313668][ T8274] ? lock_downgrade+0x920/0x920 [ 77.318519][ T8274] ? __fget_files+0x28f/0x410 [ 77.323198][ T8274] ? __fget_light+0xf1/0x270 [ 77.327789][ T8274] do_writev+0x161/0x340 [ 77.332053][ T8274] ? vfs_writev+0x310/0x310 [ 77.336556][ T8274] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.342442][ T8274] ? lockdep_hardirqs_on+0x58/0x100 [ 77.347635][ T8274] __x64_sys_writev+0x75/0xb0 [ 77.352304][ T8274] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.358186][ T8274] do_syscall_64+0x32/0x80 [ 77.362609][ T8274] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.368508][ T8274] RIP: 0033:0x45b419 [ 77.372392][ T8274] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.392031][ T8274] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 77.400432][ T8274] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 77.408395][ T8274] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 77.416365][ T8274] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 77.424329][ T8274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 77.432300][ T8274] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 77.440278][ T8276] CPU: 1 PID: 8276 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 77.448521][ T8276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.458570][ T8276] Call Trace: [ 77.461867][ T8276] dump_stack+0x1ac/0x21e [ 77.466207][ T8276] should_fail.cold+0x5/0xf [ 77.470724][ T8276] __should_failslab+0xb7/0x100 [ 77.475669][ T8276] should_failslab+0x9/0x14 [ 77.480181][ T8276] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 77.486469][ T8276] __kmalloc+0x70/0x300 [ 77.490647][ T8276] ? tty_write+0x664/0x850 [ 77.495073][ T8276] ? mutex_trylock+0x252/0x2d0 [ 77.499909][ T8276] tty_write+0x664/0x850 [ 77.504161][ T8276] ? n_tty_receive_char_lnext+0x710/0x710 [ 77.509890][ T8276] do_iter_write+0x4af/0x690 [ 77.514497][ T8276] vfs_writev+0x1c5/0x310 [ 77.518832][ T8276] ? vfs_iter_write+0xb0/0xb0 [ 77.523523][ T8276] ? lock_downgrade+0x920/0x920 [ 77.528398][ T8276] ? __fget_files+0x28f/0x410 [ 77.533103][ T8276] ? __fget_light+0xf1/0x270 [ 77.537707][ T8276] do_writev+0x161/0x340 [ 77.541960][ T8276] ? vfs_writev+0x310/0x310 [ 77.543238][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 77.546475][ T8276] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.562951][ T8276] ? lockdep_hardirqs_on+0x58/0x100 [ 77.568165][ T8276] __x64_sys_writev+0x75/0xb0 [ 77.572853][ T8276] ? syscall_enter_from_user_mode+0x21/0x70 [ 77.575892][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.578859][ T8276] do_syscall_64+0x32/0x80 [ 77.578873][ T8276] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 77.578888][ T8276] RIP: 0033:0x45b419 [ 77.590832][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 77.593101][ T8276] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.593110][ T8276] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 77.593123][ T8276] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 77.593132][ T8276] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 77.593141][ T8276] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 77.593149][ T8276] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 77.593157][ T8276] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 77.694852][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.709221][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 77.721506][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.732020][ T6990] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 77.743646][ T6990] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.755611][ T6990] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.771834][ T6990] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.780559][ T6990] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.801098][ T6990] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.809879][ T6990] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.845693][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.861948][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.892546][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.911043][ T2486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.955431][ T7014] device veth0_macvtap entered promiscuous mode [ 77.990284][ T7014] device veth1_macvtap entered promiscuous mode [ 78.026121][ T8282] FAULT_INJECTION: forcing a failure. [ 78.026121][ T8282] name failslab, interval 1, probability 0, space 0, times 0 [ 78.041748][ T8284] FAULT_INJECTION: forcing a failure. [ 78.041748][ T8284] name failslab, interval 1, probability 0, space 0, times 0 [ 78.068343][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 78.085656][ T8288] FAULT_INJECTION: forcing a failure. [ 78.085656][ T8288] name failslab, interval 1, probability 0, space 0, times 0 [ 78.086354][ T8284] CPU: 0 PID: 8284 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 78.106563][ T8284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.108277][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.116667][ T8284] Call Trace: [ 78.116688][ T8284] dump_stack+0x1ac/0x21e [ 78.116712][ T8284] should_fail.cold+0x5/0xf [ 78.116736][ T8284] __should_failslab+0xb7/0x100 [ 78.116755][ T8284] should_failslab+0x9/0x14 [ 78.116768][ T8284] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 78.116787][ T8284] __kmalloc+0x70/0x300 [ 78.158332][ T8284] ? tty_write+0x664/0x850 [ 78.159567][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 78.162747][ T8284] ? mutex_trylock+0x252/0x2d0 [ 78.162770][ T8284] tty_write+0x664/0x850 [ 78.162793][ T8284] ? n_tty_receive_char_lnext+0x710/0x710 [ 78.162822][ T8284] do_iter_write+0x4af/0x690 [ 78.192633][ T8284] vfs_writev+0x1c5/0x310 [ 78.196957][ T8284] ? vfs_iter_write+0xb0/0xb0 [ 78.201627][ T8284] ? lock_downgrade+0x920/0x920 [ 78.201825][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.206503][ T8284] ? __fget_files+0x28f/0x410 [ 78.206529][ T8284] ? __fget_light+0xf1/0x270 [ 78.225680][ T8284] do_writev+0x161/0x340 [ 78.229947][ T8284] ? vfs_writev+0x310/0x310 [ 78.234451][ T8284] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.240354][ T8284] ? lockdep_hardirqs_on+0x58/0x100 [ 78.245638][ T8284] __x64_sys_writev+0x75/0xb0 [ 78.248374][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 78.250306][ T8284] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.250322][ T8284] do_syscall_64+0x32/0x80 [ 78.250339][ T8284] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.276904][ T8284] RIP: 0033:0x45b419 [ 78.280810][ T8284] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.286104][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.300398][ T8284] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 78.300413][ T8284] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 78.300422][ T8284] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 78.300430][ T8284] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 78.300439][ T8284] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 78.300447][ T8284] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 78.341114][ T8282] CPU: 0 PID: 8282 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 78.368866][ T8282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.378985][ T8282] Call Trace: [ 78.382283][ T8282] dump_stack+0x1ac/0x21e [ 78.386628][ T8282] should_fail.cold+0x5/0xf [ 78.391149][ T8282] __should_failslab+0xb7/0x100 [ 78.396004][ T8282] should_failslab+0x9/0x14 [ 78.400503][ T8282] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 78.406663][ T8282] __kmalloc+0x70/0x300 [ 78.410827][ T8282] ? tty_write+0x664/0x850 [ 78.415250][ T8282] ? mutex_trylock+0x252/0x2d0 [ 78.420021][ T8282] tty_write+0x664/0x850 [ 78.424271][ T8282] ? n_tty_receive_char_lnext+0x710/0x710 [ 78.429995][ T8282] do_iter_write+0x4af/0x690 [ 78.434702][ T8282] vfs_writev+0x1c5/0x310 [ 78.439036][ T8282] ? vfs_iter_write+0xb0/0xb0 [ 78.443721][ T8282] ? lock_downgrade+0x920/0x920 [ 78.448613][ T8282] ? __fget_files+0x28f/0x410 [ 78.453306][ T8282] ? __fget_light+0xf1/0x270 [ 78.457951][ T8282] do_writev+0x161/0x340 [ 78.462198][ T8282] ? vfs_writev+0x310/0x310 [ 78.466711][ T8282] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.472609][ T8282] ? lockdep_hardirqs_on+0x58/0x100 [ 78.477813][ T8282] __x64_sys_writev+0x75/0xb0 [ 78.482671][ T8282] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.488580][ T8282] do_syscall_64+0x32/0x80 [ 78.493028][ T8282] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.498289][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 78.498930][ T8282] RIP: 0033:0x45b419 [ 78.513224][ T8282] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.532946][ T8282] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 78.541347][ T8282] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 78.542413][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.549304][ T8282] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 78.549313][ T8282] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 78.549322][ T8282] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 78.549330][ T8282] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 78.600331][ T8288] CPU: 1 PID: 8288 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 78.608574][ T8288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.618626][ T8288] Call Trace: [ 78.621924][ T8288] dump_stack+0x1ac/0x21e [ 78.626272][ T8288] should_fail.cold+0x5/0xf [ 78.630803][ T8288] __should_failslab+0xb7/0x100 [ 78.635661][ T8288] should_failslab+0x9/0x14 [ 78.640185][ T8288] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 78.646364][ T8288] __kmalloc+0x70/0x300 [ 78.650550][ T8288] ? tty_write+0x664/0x850 [ 78.654972][ T8288] ? mutex_trylock+0x252/0x2d0 [ 78.659745][ T8288] tty_write+0x664/0x850 [ 78.664000][ T8288] ? n_tty_receive_char_lnext+0x710/0x710 [ 78.669733][ T8288] do_iter_write+0x4af/0x690 [ 78.674410][ T8288] vfs_writev+0x1c5/0x310 [ 78.678748][ T8288] ? vfs_iter_write+0xb0/0xb0 [ 78.683437][ T8288] ? lock_downgrade+0x920/0x920 [ 78.688319][ T8288] ? __fget_files+0x28f/0x410 [ 78.690025][ T8297] FAULT_INJECTION: forcing a failure. [ 78.690025][ T8297] name failslab, interval 1, probability 0, space 0, times 0 [ 78.693035][ T8288] ? __fget_light+0xf1/0x270 [ 78.693057][ T8288] do_writev+0x161/0x340 [ 78.693076][ T8288] ? vfs_writev+0x310/0x310 [ 78.693095][ T8288] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.693109][ T8288] ? lockdep_hardirqs_on+0x58/0x100 [ 78.693130][ T8288] __x64_sys_writev+0x75/0xb0 [ 78.693144][ T8288] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.693160][ T8288] do_syscall_64+0x32/0x80 [ 78.714623][ T8298] FAULT_INJECTION: forcing a failure. [ 78.714623][ T8298] name failslab, interval 1, probability 0, space 0, times 0 [ 78.714672][ T8288] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.732209][ T8300] FAULT_INJECTION: forcing a failure. [ 78.732209][ T8300] name failslab, interval 1, probability 0, space 0, times 0 [ 78.734882][ T8288] RIP: 0033:0x45b419 [ 78.734897][ T8288] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.734905][ T8288] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 78.734920][ T8288] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 78.734929][ T8288] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 78.734938][ T8288] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 78.734947][ T8288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 78.734956][ T8288] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 78.747733][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 78.855855][ T8300] CPU: 0 PID: 8300 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 78.868359][ T8300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.878527][ T8300] Call Trace: [ 78.881814][ T8300] dump_stack+0x1ac/0x21e [ 78.886168][ T8300] should_fail.cold+0x5/0xf [ 78.890671][ T8300] __should_failslab+0xb7/0x100 [ 78.895519][ T8300] should_failslab+0x9/0x14 [ 78.900018][ T8300] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 78.906226][ T8300] __kmalloc+0x70/0x300 [ 78.910375][ T8300] ? tty_write+0x664/0x850 [ 78.914778][ T8300] ? mutex_trylock+0x252/0x2d0 [ 78.919539][ T8300] tty_write+0x664/0x850 [ 78.923778][ T8300] ? n_tty_receive_char_lnext+0x710/0x710 [ 78.929499][ T8300] do_iter_write+0x4af/0x690 [ 78.934087][ T8300] vfs_writev+0x1c5/0x310 [ 78.938406][ T8300] ? vfs_iter_write+0xb0/0xb0 [ 78.943123][ T8300] ? lock_downgrade+0x920/0x920 [ 78.948017][ T8300] ? __fget_files+0x28f/0x410 [ 78.952690][ T8300] ? __fget_light+0xf1/0x270 [ 78.957274][ T8300] do_writev+0x161/0x340 [ 78.961514][ T8300] ? vfs_writev+0x310/0x310 [ 78.966049][ T8300] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.971929][ T8300] ? lockdep_hardirqs_on+0x58/0x100 [ 78.977131][ T8300] __x64_sys_writev+0x75/0xb0 [ 78.981803][ T8300] ? syscall_enter_from_user_mode+0x21/0x70 [ 78.987749][ T8300] do_syscall_64+0x32/0x80 [ 78.992166][ T8300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 78.998196][ T8300] RIP: 0033:0x45b419 [ 79.002086][ T8300] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.021810][ T8300] RSP: 002b:00007ff336f2ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 79.030217][ T8300] RAX: ffffffffffffffda RBX: 00007ff336f2f6d4 RCX: 000000000045b419 [ 79.038186][ T8300] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 79.046302][ T8300] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 79.054267][ T8300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 79.062269][ T8300] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 79.070247][ T8298] CPU: 1 PID: 8298 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 79.078491][ T8298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.088629][ T8298] Call Trace: [ 79.091922][ T8298] dump_stack+0x1ac/0x21e [ 79.096271][ T8298] should_fail.cold+0x5/0xf [ 79.100933][ T8298] __should_failslab+0xb7/0x100 [ 79.105808][ T8298] should_failslab+0x9/0x14 [ 79.110317][ T8298] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 79.116693][ T8298] __kmalloc+0x70/0x300 [ 79.120858][ T8298] ? tty_write+0x664/0x850 [ 79.125284][ T8298] ? mutex_trylock+0x252/0x2d0 [ 79.130150][ T8298] tty_write+0x664/0x850 [ 79.134437][ T8298] ? n_tty_receive_char_lnext+0x710/0x710 [ 79.140179][ T8298] do_iter_write+0x4af/0x690 [ 79.144787][ T8298] vfs_writev+0x1c5/0x310 [ 79.149125][ T8298] ? vfs_iter_write+0xb0/0xb0 [ 79.153812][ T8298] ? lock_downgrade+0x920/0x920 [ 79.158681][ T8298] ? __fget_files+0x28f/0x410 [ 79.163379][ T8298] ? __fget_light+0xf1/0x270 [ 79.167988][ T8298] do_writev+0x161/0x340 [ 79.172240][ T8298] ? vfs_writev+0x310/0x310 [ 79.176756][ T8298] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.182666][ T8298] ? lockdep_hardirqs_on+0x58/0x100 [ 79.187883][ T8298] __x64_sys_writev+0x75/0xb0 [ 79.192567][ T8298] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.198526][ T8298] do_syscall_64+0x32/0x80 [ 79.202953][ T8298] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.208851][ T8298] RIP: 0033:0x45b419 [ 79.212751][ T8298] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.232355][ T8298] RSP: 002b:00007f1b266bfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 79.240789][ T8298] RAX: ffffffffffffffda RBX: 00007f1b266c06d4 RCX: 000000000045b419 [ 79.248888][ T8298] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 79.256863][ T8298] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 79.264839][ T8298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 79.272820][ T8298] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 79.289766][ T8297] CPU: 1 PID: 8297 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 79.298018][ T8297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.308090][ T8297] Call Trace: [ 79.311388][ T8297] dump_stack+0x1ac/0x21e [ 79.315727][ T8297] should_fail.cold+0x5/0xf [ 79.320240][ T8297] __should_failslab+0xb7/0x100 [ 79.325099][ T8297] should_failslab+0x9/0x14 [ 79.329607][ T8297] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 79.335761][ T8297] __kmalloc+0x70/0x300 [ 79.339940][ T8297] ? tty_write+0x664/0x850 [ 79.344361][ T8297] ? mutex_trylock+0x252/0x2d0 [ 79.346540][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.349184][ T8297] tty_write+0x664/0x850 [ 79.349206][ T8297] ? n_tty_receive_char_lnext+0x710/0x710 [ 79.349230][ T8297] do_iter_write+0x4af/0x690 [ 79.349257][ T8297] vfs_writev+0x1c5/0x310 [ 79.349275][ T8297] ? vfs_iter_write+0xb0/0xb0 [ 79.383083][ T8297] ? lock_downgrade+0x920/0x920 [ 79.387961][ T8297] ? __fget_files+0x28f/0x410 [ 79.392650][ T8297] ? __fget_light+0xf1/0x270 [ 79.397257][ T8297] do_writev+0x161/0x340 [ 79.401530][ T8297] ? vfs_writev+0x310/0x310 [ 79.406061][ T8297] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.411978][ T8297] ? lockdep_hardirqs_on+0x58/0x100 [ 79.417188][ T8297] __x64_sys_writev+0x75/0xb0 [ 79.419725][ T7014] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.421904][ T8297] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.421921][ T8297] do_syscall_64+0x32/0x80 [ 79.421936][ T8297] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.421947][ T8297] RIP: 0033:0x45b419 [ 79.421960][ T8297] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.421968][ T8297] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 79.421982][ T8297] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 79.421990][ T8297] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 79.421998][ T8297] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 79.422006][ T8297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 79.422015][ T8297] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 79.504435][ T8306] FAULT_INJECTION: forcing a failure. [ 79.504435][ T8306] name failslab, interval 1, probability 0, space 0, times 0 [ 79.535766][ T8306] CPU: 1 PID: 8306 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 79.544015][ T8306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.554073][ T8306] Call Trace: [ 79.554615][ T8309] FAULT_INJECTION: forcing a failure. [ 79.554615][ T8309] name failslab, interval 1, probability 0, space 0, times 0 [ 79.557369][ T8306] dump_stack+0x1ac/0x21e [ 79.557391][ T8306] should_fail.cold+0x5/0xf [ 79.557413][ T8306] __should_failslab+0xb7/0x100 [ 79.583639][ T8306] should_failslab+0x9/0x14 [ 79.588147][ T8306] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 79.594300][ T8306] __kmalloc+0x70/0x300 [ 79.598453][ T8306] ? tty_write+0x664/0x850 [ 79.602872][ T8306] ? mutex_trylock+0x252/0x2d0 [ 79.607650][ T8306] tty_write+0x664/0x850 [ 79.611899][ T8306] ? n_tty_receive_char_lnext+0x710/0x710 [ 79.617627][ T8306] do_iter_write+0x4af/0x690 [ 79.622240][ T8306] vfs_writev+0x1c5/0x310 [ 79.626579][ T8306] ? vfs_iter_write+0xb0/0xb0 [ 79.631253][ T8306] ? lock_downgrade+0x920/0x920 [ 79.636111][ T8306] ? __fget_files+0x28f/0x410 [ 79.640813][ T8306] ? __fget_light+0xf1/0x270 [ 79.645403][ T8306] do_writev+0x161/0x340 [ 79.649648][ T8306] ? vfs_writev+0x310/0x310 [ 79.654158][ T8306] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.660044][ T8306] ? lockdep_hardirqs_on+0x58/0x100 [ 79.665238][ T8306] __x64_sys_writev+0x75/0xb0 [ 79.669908][ T8306] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.675796][ T8306] do_syscall_64+0x32/0x80 [ 79.680204][ T8306] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.686110][ T8306] RIP: 0033:0x45b419 [ 79.690014][ T8306] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.709624][ T8306] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 79.718037][ T8306] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 79.720250][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 79.726128][ T8306] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000004 [ 79.726138][ T8306] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 79.726147][ T8306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 79.726157][ T8306] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 79.784431][ T8309] CPU: 0 PID: 8309 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 79.792691][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.802836][ T8309] Call Trace: [ 79.806162][ T8309] dump_stack+0x1ac/0x21e [ 79.810502][ T8309] should_fail.cold+0x5/0xf [ 79.815018][ T8309] __should_failslab+0xb7/0x100 [ 79.819873][ T8309] should_failslab+0x9/0x14 [ 79.824388][ T8309] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 79.830552][ T8309] __kmalloc+0x70/0x300 [ 79.834721][ T8309] ? tty_write+0x664/0x850 [ 79.839141][ T8309] ? mutex_trylock+0x252/0x2d0 [ 79.844025][ T8309] tty_write+0x664/0x850 [ 79.848280][ T8309] ? n_tty_receive_char_lnext+0x710/0x710 [ 79.854002][ T8309] do_iter_write+0x4af/0x690 [ 79.858605][ T8309] vfs_writev+0x1c5/0x310 [ 79.862947][ T8309] ? vfs_iter_write+0xb0/0xb0 [ 79.867638][ T8309] ? lock_downgrade+0x920/0x920 [ 79.872506][ T8309] ? __fget_files+0x28f/0x410 [ 79.877410][ T8309] ? __fget_light+0xf1/0x270 [ 79.882010][ T8309] do_writev+0x161/0x340 [ 79.886386][ T8309] ? vfs_writev+0x310/0x310 [ 79.889691][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.890893][ T8309] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.890909][ T8309] ? lockdep_hardirqs_on+0x58/0x100 [ 79.890931][ T8309] __x64_sys_writev+0x75/0xb0 [ 79.890945][ T8309] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.890959][ T8309] do_syscall_64+0x32/0x80 [ 79.890978][ T8309] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.901557][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 79.906643][ T8309] RIP: 0033:0x45b419 [ 79.906659][ T8309] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.906669][ T8309] RSP: 002b:00007f33fc5a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 79.906685][ T8309] RAX: ffffffffffffffda RBX: 00007f33fc5a26d4 RCX: 000000000045b419 [ 79.906694][ T8309] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 79.906708][ T8309] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 79.912293][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 79.916547][ T8309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 79.916557][ T8309] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 80.031058][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 80.042922][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 80.053383][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 80.064419][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 80.074661][ T7014] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 80.085377][ T7014] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 80.096945][ T7014] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.143416][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.177194][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 80.186525][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 80.204019][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 80.218359][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.235689][ T8220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.259784][ T7014] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.282041][ T7014] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.310718][ T7014] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.319462][ T7014] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.438413][ T8318] FAULT_INJECTION: forcing a failure. [ 80.438413][ T8318] name failslab, interval 1, probability 0, space 0, times 0 [ 80.451349][ T8318] CPU: 0 PID: 8318 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 80.459584][ T8318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.469704][ T8318] Call Trace: [ 80.473003][ T8318] dump_stack+0x1ac/0x21e [ 80.477344][ T8318] should_fail.cold+0x5/0xf [ 80.481862][ T8318] __should_failslab+0xb7/0x100 [ 80.486723][ T8318] should_failslab+0x9/0x14 [ 80.491241][ T8318] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 80.497397][ T8318] __kmalloc+0x70/0x300 [ 80.501577][ T8318] ? tty_write+0x664/0x850 [ 80.506000][ T8318] ? mutex_trylock+0x252/0x2d0 [ 80.510788][ T8318] tty_write+0x664/0x850 [ 80.515040][ T8318] ? n_tty_receive_char_lnext+0x710/0x710 [ 80.520820][ T8318] do_iter_write+0x4af/0x690 [ 80.525426][ T8318] vfs_writev+0x1c5/0x310 [ 80.529761][ T8318] ? vfs_iter_write+0xb0/0xb0 [ 80.534444][ T8318] ? lock_downgrade+0x920/0x920 [ 80.539400][ T8318] ? __fget_files+0x28f/0x410 [ 80.544091][ T8318] ? __fget_light+0xf1/0x270 [ 80.548695][ T8318] do_writev+0x161/0x340 [ 80.552947][ T8318] ? vfs_writev+0x310/0x310 [ 80.557475][ T8318] ? syscall_enter_from_user_mode+0x21/0x70 [ 80.563382][ T8318] ? lockdep_hardirqs_on+0x58/0x100 [ 80.568600][ T8318] __x64_sys_writev+0x75/0xb0 [ 80.573350][ T8318] ? syscall_enter_from_user_mode+0x21/0x70 [ 80.579251][ T8318] do_syscall_64+0x32/0x80 [ 80.583677][ T8318] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.589571][ T8318] RIP: 0033:0x45b419 [ 80.593469][ T8318] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.613140][ T8318] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 80.621554][ T8318] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 80.629530][ T8318] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 2020/10/11 22:57:09 executed programs: 22 [ 80.637502][ T8318] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 80.645512][ T8318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 80.653665][ T8318] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 80.734461][ T8329] FAULT_INJECTION: forcing a failure. [ 80.734461][ T8329] name failslab, interval 1, probability 0, space 0, times 0 [ 80.749457][ T8330] FAULT_INJECTION: forcing a failure. [ 80.749457][ T8330] name failslab, interval 1, probability 0, space 0, times 0 [ 80.767720][ T8333] FAULT_INJECTION: forcing a failure. [ 80.767720][ T8333] name failslab, interval 1, probability 0, space 0, times 0 [ 80.770885][ T8331] FAULT_INJECTION: forcing a failure. [ 80.770885][ T8331] name failslab, interval 1, probability 0, space 0, times 0 [ 80.782849][ T8332] FAULT_INJECTION: forcing a failure. [ 80.782849][ T8332] name failslab, interval 1, probability 0, space 0, times 0 [ 80.797510][ T8334] FAULT_INJECTION: forcing a failure. [ 80.797510][ T8334] name failslab, interval 1, probability 0, space 0, times 0 [ 80.820068][ T8329] CPU: 0 PID: 8329 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 80.828311][ T8329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.838363][ T8329] Call Trace: [ 80.841661][ T8329] dump_stack+0x1ac/0x21e [ 80.846123][ T8329] should_fail.cold+0x5/0xf [ 80.850628][ T8329] __should_failslab+0xb7/0x100 [ 80.855487][ T8329] should_failslab+0x9/0x14 [ 80.860081][ T8329] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 80.866245][ T8329] __kmalloc+0x70/0x300 [ 80.870454][ T8329] ? tty_write+0x664/0x850 [ 80.874873][ T8329] ? mutex_trylock+0x252/0x2d0 [ 80.879650][ T8329] tty_write+0x664/0x850 [ 80.883900][ T8329] ? n_tty_receive_char_lnext+0x710/0x710 [ 80.889730][ T8329] do_iter_write+0x4af/0x690 [ 80.894333][ T8329] vfs_writev+0x1c5/0x310 [ 80.898670][ T8329] ? vfs_iter_write+0xb0/0xb0 [ 80.903356][ T8329] ? lock_downgrade+0x920/0x920 [ 80.908322][ T8329] ? __fget_files+0x28f/0x410 [ 80.913011][ T8329] ? __fget_light+0xf1/0x270 [ 80.917610][ T8329] do_writev+0x161/0x340 [ 80.921879][ T8329] ? vfs_writev+0x310/0x310 [ 80.926391][ T8329] ? syscall_enter_from_user_mode+0x21/0x70 [ 80.932288][ T8329] ? lockdep_hardirqs_on+0x58/0x100 [ 80.937497][ T8329] __x64_sys_writev+0x75/0xb0 [ 80.942424][ T8329] ? syscall_enter_from_user_mode+0x21/0x70 [ 80.948328][ T8329] do_syscall_64+0x32/0x80 [ 80.952749][ T8329] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.958730][ T8329] RIP: 0033:0x45b419 [ 80.962632][ T8329] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.982358][ T8329] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 80.990764][ T8329] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 80.998734][ T8329] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 81.006705][ T8329] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.014679][ T8329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 81.022658][ T8329] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 81.030654][ T8332] CPU: 1 PID: 8332 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 81.039012][ T8332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.049069][ T8332] Call Trace: [ 81.052366][ T8332] dump_stack+0x1ac/0x21e [ 81.056706][ T8332] should_fail.cold+0x5/0xf [ 81.061219][ T8332] __should_failslab+0xb7/0x100 [ 81.066068][ T8332] should_failslab+0x9/0x14 [ 81.070582][ T8332] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 81.076753][ T8332] __kmalloc+0x70/0x300 [ 81.080908][ T8332] ? tty_write+0x664/0x850 [ 81.085320][ T8332] ? mutex_trylock+0x252/0x2d0 [ 81.090135][ T8332] tty_write+0x664/0x850 [ 81.094376][ T8332] ? n_tty_receive_char_lnext+0x710/0x710 [ 81.100097][ T8332] do_iter_write+0x4af/0x690 [ 81.104705][ T8332] vfs_writev+0x1c5/0x310 [ 81.109054][ T8332] ? vfs_iter_write+0xb0/0xb0 [ 81.113970][ T8332] ? lock_downgrade+0x920/0x920 [ 81.118821][ T8332] ? __fget_files+0x28f/0x410 [ 81.123504][ T8332] ? __fget_light+0xf1/0x270 [ 81.128103][ T8332] do_writev+0x161/0x340 [ 81.132346][ T8332] ? vfs_writev+0x310/0x310 [ 81.136847][ T8332] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.142757][ T8332] ? lockdep_hardirqs_on+0x58/0x100 [ 81.147965][ T8332] __x64_sys_writev+0x75/0xb0 [ 81.152642][ T8332] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.158530][ T8332] do_syscall_64+0x32/0x80 [ 81.162951][ T8332] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.168845][ T8332] RIP: 0033:0x45b419 [ 81.172740][ T8332] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.192350][ T8332] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 81.200769][ T8332] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 81.208743][ T8332] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 81.216708][ T8332] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.224781][ T8332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 81.232746][ T8332] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 81.241041][ T8334] CPU: 0 PID: 8334 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 81.249287][ T8334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.259500][ T8334] Call Trace: [ 81.262801][ T8334] dump_stack+0x1ac/0x21e [ 81.267153][ T8334] should_fail.cold+0x5/0xf [ 81.271669][ T8334] __should_failslab+0xb7/0x100 [ 81.276518][ T8334] should_failslab+0x9/0x14 [ 81.281128][ T8334] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 81.287287][ T8334] __kmalloc+0x70/0x300 [ 81.291445][ T8334] ? tty_write+0x664/0x850 [ 81.295859][ T8334] ? mutex_trylock+0x252/0x2d0 [ 81.300633][ T8334] tty_write+0x664/0x850 [ 81.304910][ T8334] ? n_tty_receive_char_lnext+0x710/0x710 [ 81.310669][ T8334] do_iter_write+0x4af/0x690 [ 81.315295][ T8334] vfs_writev+0x1c5/0x310 [ 81.319643][ T8334] ? vfs_iter_write+0xb0/0xb0 [ 81.324328][ T8334] ? lock_downgrade+0x920/0x920 [ 81.329188][ T8334] ? __fget_files+0x28f/0x410 [ 81.333863][ T8334] ? __fget_light+0xf1/0x270 [ 81.338447][ T8334] do_writev+0x161/0x340 [ 81.342688][ T8334] ? vfs_writev+0x310/0x310 [ 81.347191][ T8334] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.353081][ T8334] ? lockdep_hardirqs_on+0x58/0x100 [ 81.358280][ T8334] __x64_sys_writev+0x75/0xb0 [ 81.362958][ T8334] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.368849][ T8334] do_syscall_64+0x32/0x80 [ 81.373258][ T8334] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.379142][ T8334] RIP: 0033:0x45b419 [ 81.383042][ T8334] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.402652][ T8334] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 81.411068][ T8334] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 81.419029][ T8334] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 81.426990][ T8334] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.434959][ T8334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 81.442926][ T8334] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 81.450931][ T8333] CPU: 1 PID: 8333 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 81.459175][ T8333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.469221][ T8333] Call Trace: [ 81.472505][ T8333] dump_stack+0x1ac/0x21e [ 81.476840][ T8333] should_fail.cold+0x5/0xf [ 81.481349][ T8333] __should_failslab+0xb7/0x100 [ 81.486290][ T8333] should_failslab+0x9/0x14 [ 81.490790][ T8333] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 81.496936][ T8333] __kmalloc+0x70/0x300 [ 81.501089][ T8333] ? tty_write+0x664/0x850 [ 81.505506][ T8333] ? mutex_trylock+0x252/0x2d0 [ 81.510286][ T8333] tty_write+0x664/0x850 [ 81.514535][ T8333] ? n_tty_receive_char_lnext+0x710/0x710 [ 81.520257][ T8333] do_iter_write+0x4af/0x690 [ 81.524852][ T8333] vfs_writev+0x1c5/0x310 [ 81.529293][ T8333] ? vfs_iter_write+0xb0/0xb0 [ 81.533967][ T8333] ? lock_downgrade+0x920/0x920 [ 81.538817][ T8333] ? __fget_files+0x28f/0x410 [ 81.543495][ T8333] ? __fget_light+0xf1/0x270 [ 81.548084][ T8333] do_writev+0x161/0x340 [ 81.552322][ T8333] ? vfs_writev+0x310/0x310 [ 81.556829][ T8333] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.562724][ T8333] ? lockdep_hardirqs_on+0x58/0x100 [ 81.567925][ T8333] __x64_sys_writev+0x75/0xb0 [ 81.572596][ T8333] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.578594][ T8333] do_syscall_64+0x32/0x80 [ 81.583007][ T8333] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.588978][ T8333] RIP: 0033:0x45b419 [ 81.592865][ T8333] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.612466][ T8333] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 81.620872][ T8333] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 81.628834][ T8333] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 81.636809][ T8333] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.644789][ T8333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 81.652804][ T8333] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 81.660784][ T8330] CPU: 0 PID: 8330 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 81.669024][ T8330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.679083][ T8330] Call Trace: [ 81.682386][ T8330] dump_stack+0x1ac/0x21e [ 81.686733][ T8330] should_fail.cold+0x5/0xf [ 81.691337][ T8330] __should_failslab+0xb7/0x100 [ 81.696199][ T8330] should_failslab+0x9/0x14 [ 81.700709][ T8330] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 81.706870][ T8330] __kmalloc+0x70/0x300 [ 81.711041][ T8330] ? tty_write+0x664/0x850 [ 81.715460][ T8330] ? mutex_trylock+0x252/0x2d0 [ 81.720231][ T8330] tty_write+0x664/0x850 [ 81.724606][ T8330] ? n_tty_receive_char_lnext+0x710/0x710 [ 81.730569][ T8330] do_iter_write+0x4af/0x690 [ 81.735174][ T8330] vfs_writev+0x1c5/0x310 [ 81.739633][ T8330] ? vfs_iter_write+0xb0/0xb0 [ 81.744323][ T8330] ? lock_downgrade+0x920/0x920 [ 81.749194][ T8330] ? __fget_files+0x28f/0x410 [ 81.753885][ T8330] ? __fget_light+0xf1/0x270 [ 81.758558][ T8330] do_writev+0x161/0x340 [ 81.762812][ T8330] ? vfs_writev+0x310/0x310 [ 81.767329][ T8330] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.773231][ T8330] ? lockdep_hardirqs_on+0x58/0x100 [ 81.778438][ T8330] __x64_sys_writev+0x75/0xb0 [ 81.783126][ T8330] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.789026][ T8330] do_syscall_64+0x32/0x80 [ 81.793445][ T8330] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.799335][ T8330] RIP: 0033:0x45b419 [ 81.803239][ T8330] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.808198][ T8341] FAULT_INJECTION: forcing a failure. [ 81.808198][ T8341] name failslab, interval 1, probability 0, space 0, times 0 [ 81.822843][ T8330] RSP: 002b:00007f80c1deac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 81.822860][ T8330] RAX: ffffffffffffffda RBX: 00007f80c1deb6d4 RCX: 000000000045b419 [ 81.822871][ T8330] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 81.822882][ T8330] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.822892][ T8330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 81.822901][ T8330] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 81.834379][ T8331] CPU: 0 PID: 8331 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 81.892221][ T8331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.902270][ T8331] Call Trace: [ 81.905559][ T8331] dump_stack+0x1ac/0x21e [ 81.909923][ T8331] should_fail.cold+0x5/0xf [ 81.914430][ T8331] __should_failslab+0xb7/0x100 [ 81.919353][ T8331] should_failslab+0x9/0x14 [ 81.923873][ T8331] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 81.930036][ T8331] __kmalloc+0x70/0x300 [ 81.934200][ T8331] ? tty_write+0x664/0x850 [ 81.938622][ T8331] ? mutex_trylock+0x252/0x2d0 [ 81.943412][ T8331] tty_write+0x664/0x850 [ 81.947665][ T8331] ? n_tty_receive_char_lnext+0x710/0x710 [ 81.953398][ T8331] do_iter_write+0x4af/0x690 [ 81.958002][ T8331] vfs_writev+0x1c5/0x310 [ 81.962347][ T8331] ? vfs_iter_write+0xb0/0xb0 [ 81.967037][ T8331] ? lock_downgrade+0x920/0x920 [ 81.971918][ T8331] ? __fget_files+0x28f/0x410 [ 81.976602][ T8331] ? __fget_light+0xf1/0x270 [ 81.981197][ T8331] do_writev+0x161/0x340 [ 81.985454][ T8331] ? vfs_writev+0x310/0x310 [ 81.989959][ T8331] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.995450][ T8343] FAULT_INJECTION: forcing a failure. [ 81.995450][ T8343] name failslab, interval 1, probability 0, space 0, times 0 [ 81.995845][ T8331] ? lockdep_hardirqs_on+0x58/0x100 [ 81.995868][ T8331] __x64_sys_writev+0x75/0xb0 [ 81.995881][ T8331] ? syscall_enter_from_user_mode+0x21/0x70 [ 81.995900][ T8331] do_syscall_64+0x32/0x80 [ 82.028915][ T8331] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.034944][ T8331] RIP: 0033:0x45b419 [ 82.038842][ T8331] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.058522][ T8331] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 82.066926][ T8331] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 82.074893][ T8331] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 82.082862][ T8331] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 82.090832][ T8331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 82.098798][ T8331] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 82.106874][ T8341] CPU: 1 PID: 8341 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 82.115119][ T8341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.125173][ T8341] Call Trace: [ 82.128475][ T8341] dump_stack+0x1ac/0x21e [ 82.132831][ T8341] should_fail.cold+0x5/0xf [ 82.137350][ T8341] __should_failslab+0xb7/0x100 [ 82.142331][ T8341] should_failslab+0x9/0x14 [ 82.146864][ T8341] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 82.153149][ T8341] __kmalloc+0x70/0x300 [ 82.157317][ T8341] ? tty_write+0x664/0x850 [ 82.161760][ T8341] ? mutex_trylock+0x252/0x2d0 [ 82.166561][ T8341] tty_write+0x664/0x850 [ 82.170836][ T8341] ? n_tty_receive_char_lnext+0x710/0x710 [ 82.176572][ T8341] do_iter_write+0x4af/0x690 [ 82.176621][ T8349] FAULT_INJECTION: forcing a failure. [ 82.176621][ T8349] name failslab, interval 1, probability 0, space 0, times 0 [ 82.181198][ T8341] vfs_writev+0x1c5/0x310 [ 82.181218][ T8341] ? vfs_iter_write+0xb0/0xb0 [ 82.181235][ T8341] ? lock_downgrade+0x920/0x920 [ 82.181266][ T8341] ? __fget_files+0x28f/0x410 [ 82.181291][ T8341] ? __fget_light+0xf1/0x270 [ 82.217126][ T8341] do_writev+0x161/0x340 [ 82.221389][ T8341] ? vfs_writev+0x310/0x310 [ 82.225902][ T8341] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.228884][ T8350] FAULT_INJECTION: forcing a failure. [ 82.228884][ T8350] name failslab, interval 1, probability 0, space 0, times 0 [ 82.231845][ T8341] ? lockdep_hardirqs_on+0x58/0x100 [ 82.231871][ T8341] __x64_sys_writev+0x75/0xb0 [ 82.231889][ T8341] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.231906][ T8341] do_syscall_64+0x32/0x80 [ 82.231922][ T8341] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.231934][ T8341] RIP: 0033:0x45b419 [ 82.231950][ T8341] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.231958][ T8341] RSP: 002b:00007ff336f2ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 82.231978][ T8341] RAX: ffffffffffffffda RBX: 00007ff336f2f6d4 RCX: 000000000045b419 [ 82.310439][ T8341] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 82.318401][ T8341] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 82.326410][ T8341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 82.334414][ T8341] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 82.342529][ T8350] CPU: 0 PID: 8350 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 82.350849][ T8350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.360904][ T8350] Call Trace: [ 82.364203][ T8350] dump_stack+0x1ac/0x21e [ 82.368551][ T8350] should_fail.cold+0x5/0xf [ 82.373064][ T8350] __should_failslab+0xb7/0x100 [ 82.377915][ T8350] should_failslab+0x9/0x14 [ 82.382472][ T8350] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 82.388625][ T8350] __kmalloc+0x70/0x300 [ 82.392774][ T8350] ? tty_write+0x664/0x850 [ 82.397193][ T8350] ? mutex_trylock+0x252/0x2d0 [ 82.402065][ T8350] tty_write+0x664/0x850 [ 82.406334][ T8350] ? n_tty_receive_char_lnext+0x710/0x710 [ 82.412057][ T8350] do_iter_write+0x4af/0x690 [ 82.416652][ T8350] vfs_writev+0x1c5/0x310 [ 82.421041][ T8350] ? vfs_iter_write+0xb0/0xb0 [ 82.425710][ T8350] ? lock_downgrade+0x920/0x920 [ 82.430562][ T8350] ? lockdep_hardirqs_on+0x58/0x100 [ 82.435771][ T8350] ? __fget_files+0x28f/0x410 [ 82.440674][ T8350] ? __fget_light+0xf1/0x270 [ 82.445279][ T8350] do_writev+0x161/0x340 [ 82.449520][ T8350] ? vfs_writev+0x310/0x310 [ 82.454026][ T8350] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.456269][ T8352] FAULT_INJECTION: forcing a failure. [ 82.456269][ T8352] name failslab, interval 1, probability 0, space 0, times 0 [ 82.459934][ T8350] ? lockdep_hardirqs_on+0x58/0x100 [ 82.459959][ T8350] __x64_sys_writev+0x75/0xb0 [ 82.459974][ T8350] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.459992][ T8350] do_syscall_64+0x32/0x80 [ 82.492984][ T8350] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.498871][ T8350] RIP: 0033:0x45b419 [ 82.502765][ T8350] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.522367][ T8350] RSP: 002b:00007f33fc5a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 82.530779][ T8350] RAX: ffffffffffffffda RBX: 00007f33fc5a26d4 RCX: 000000000045b419 [ 82.538744][ T8350] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 82.546707][ T8350] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 82.554670][ T8350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 82.562645][ T8350] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 82.570632][ T8352] CPU: 1 PID: 8352 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 82.578993][ T8352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.589062][ T8352] Call Trace: [ 82.592363][ T8352] dump_stack+0x1ac/0x21e [ 82.596711][ T8352] should_fail.cold+0x5/0xf [ 82.601233][ T8352] __should_failslab+0xb7/0x100 [ 82.606111][ T8352] should_failslab+0x9/0x14 [ 82.610624][ T8352] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 82.616786][ T8352] __kmalloc+0x70/0x300 [ 82.620951][ T8352] ? tty_write+0x664/0x850 [ 82.625372][ T8352] ? mutex_trylock+0x252/0x2d0 [ 82.630147][ T8352] tty_write+0x664/0x850 [ 82.634398][ T8352] ? n_tty_receive_char_lnext+0x710/0x710 [ 82.640135][ T8352] do_iter_write+0x4af/0x690 [ 82.644752][ T8352] vfs_writev+0x1c5/0x310 [ 82.649084][ T8352] ? vfs_iter_write+0xb0/0xb0 [ 82.653766][ T8352] ? lock_downgrade+0x920/0x920 [ 82.658650][ T8352] ? __fget_files+0x28f/0x410 [ 82.663358][ T8352] ? __fget_light+0xf1/0x270 [ 82.667967][ T8352] do_writev+0x161/0x340 [ 82.672228][ T8352] ? vfs_writev+0x310/0x310 [ 82.676760][ T8352] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.682668][ T8352] ? lockdep_hardirqs_on+0x58/0x100 [ 82.687882][ T8352] __x64_sys_writev+0x75/0xb0 [ 82.692567][ T8352] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.698465][ T8352] do_syscall_64+0x32/0x80 [ 82.702893][ T8352] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.708878][ T8352] RIP: 0033:0x45b419 [ 82.712778][ T8352] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.732382][ T8352] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 82.740888][ T8352] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 82.748860][ T8352] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 82.756879][ T8352] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 82.764856][ T8352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 82.772839][ T8352] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 82.780915][ T8343] CPU: 0 PID: 8343 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 82.789158][ T8343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.799334][ T8343] Call Trace: [ 82.802643][ T8343] dump_stack+0x1ac/0x21e [ 82.806994][ T8343] should_fail.cold+0x5/0xf [ 82.811750][ T8343] __should_failslab+0xb7/0x100 [ 82.816610][ T8343] should_failslab+0x9/0x14 [ 82.821139][ T8343] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 82.827307][ T8343] __kmalloc+0x70/0x300 [ 82.831468][ T8343] ? tty_write+0x664/0x850 [ 82.835940][ T8343] ? mutex_trylock+0x252/0x2d0 [ 82.840713][ T8343] tty_write+0x664/0x850 [ 82.844972][ T8343] ? n_tty_receive_char_lnext+0x710/0x710 [ 82.850851][ T8343] do_iter_write+0x4af/0x690 [ 82.855474][ T8343] vfs_writev+0x1c5/0x310 [ 82.859953][ T8343] ? vfs_iter_write+0xb0/0xb0 [ 82.864803][ T8343] ? lock_downgrade+0x920/0x920 [ 82.869865][ T8343] ? __fget_files+0x28f/0x410 [ 82.874566][ T8343] ? __fget_light+0xf1/0x270 [ 82.879181][ T8343] do_writev+0x161/0x340 [ 82.883462][ T8343] ? vfs_writev+0x310/0x310 [ 82.888006][ T8343] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.894020][ T8343] ? lockdep_hardirqs_on+0x58/0x100 [ 82.899248][ T8343] __x64_sys_writev+0x75/0xb0 [ 82.899811][ T8360] FAULT_INJECTION: forcing a failure. [ 82.899811][ T8360] name failslab, interval 1, probability 0, space 0, times 0 [ 82.903929][ T8343] ? syscall_enter_from_user_mode+0x21/0x70 [ 82.903947][ T8343] do_syscall_64+0x32/0x80 [ 82.903965][ T8343] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.903978][ T8343] RIP: 0033:0x45b419 [ 82.903994][ T8343] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.904009][ T8343] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 82.964685][ T8343] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 82.972653][ T8343] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 82.980621][ T8343] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 82.988681][ T8343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 82.996658][ T8343] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 83.004788][ T8360] CPU: 1 PID: 8360 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 83.013040][ T8360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.023100][ T8360] Call Trace: [ 83.026406][ T8360] dump_stack+0x1ac/0x21e [ 83.030757][ T8360] should_fail.cold+0x5/0xf [ 83.035282][ T8360] __should_failslab+0xb7/0x100 [ 83.040145][ T8360] should_failslab+0x9/0x14 [ 83.044663][ T8360] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 83.050826][ T8360] __kmalloc+0x70/0x300 [ 83.054990][ T8360] ? tty_write+0x664/0x850 [ 83.059421][ T8360] ? mutex_trylock+0x252/0x2d0 [ 83.064201][ T8360] tty_write+0x664/0x850 [ 83.068460][ T8360] ? n_tty_receive_char_lnext+0x710/0x710 [ 83.074196][ T8360] do_iter_write+0x4af/0x690 [ 83.078814][ T8360] vfs_writev+0x1c5/0x310 [ 83.083154][ T8360] ? vfs_iter_write+0xb0/0xb0 [ 83.087839][ T8360] ? lock_downgrade+0x920/0x920 [ 83.092713][ T8360] ? __fget_files+0x28f/0x410 [ 83.097405][ T8360] ? __fget_light+0xf1/0x270 [ 83.102012][ T8360] do_writev+0x161/0x340 [ 83.106279][ T8360] ? vfs_writev+0x310/0x310 [ 83.110797][ T8360] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.116695][ T8360] ? lockdep_hardirqs_on+0x58/0x100 [ 83.121900][ T8360] __x64_sys_writev+0x75/0xb0 [ 83.126595][ T8360] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.132488][ T8360] do_syscall_64+0x32/0x80 [ 83.136905][ T8360] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.142796][ T8360] RIP: 0033:0x45b419 [ 83.146686][ T8360] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.166279][ T8360] RSP: 002b:00007ffa0680ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 83.174682][ T8360] RAX: ffffffffffffffda RBX: 00007ffa0680b6d4 RCX: 000000000045b419 [ 83.182647][ T8360] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 83.190625][ T8360] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 83.198586][ T8360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 83.206549][ T8360] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 83.233926][ T8349] CPU: 1 PID: 8349 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 83.242205][ T8349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.252253][ T8349] Call Trace: [ 83.255537][ T8349] dump_stack+0x1ac/0x21e [ 83.259866][ T8349] should_fail.cold+0x5/0xf [ 83.264372][ T8349] __should_failslab+0xb7/0x100 [ 83.269218][ T8349] should_failslab+0x9/0x14 [ 83.273718][ T8349] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 83.279871][ T8349] __kmalloc+0x70/0x300 [ 83.284020][ T8349] ? tty_write+0x664/0x850 [ 83.288432][ T8349] ? mutex_trylock+0x252/0x2d0 [ 83.293193][ T8349] tty_write+0x664/0x850 [ 83.297439][ T8349] ? n_tty_receive_char_lnext+0x710/0x710 [ 83.303184][ T8349] do_iter_write+0x4af/0x690 [ 83.307785][ T8349] vfs_writev+0x1c5/0x310 [ 83.312110][ T8349] ? vfs_iter_write+0xb0/0xb0 [ 83.316785][ T8349] ? lock_downgrade+0x920/0x920 [ 83.321645][ T8349] ? __fget_files+0x28f/0x410 [ 83.326329][ T8349] ? __fget_light+0xf1/0x270 [ 83.330924][ T8349] do_writev+0x161/0x340 [ 83.335163][ T8349] ? vfs_writev+0x310/0x310 [ 83.339668][ T8349] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.345577][ T8349] ? lockdep_hardirqs_on+0x58/0x100 [ 83.350797][ T8349] __x64_sys_writev+0x75/0xb0 [ 83.355425][ T8367] FAULT_INJECTION: forcing a failure. [ 83.355425][ T8367] name failslab, interval 1, probability 0, space 0, times 0 [ 83.355487][ T8349] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.373914][ T8349] do_syscall_64+0x32/0x80 [ 83.378326][ T8349] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.384208][ T8349] RIP: 0033:0x45b419 [ 83.388098][ T8349] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.407693][ T8349] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 83.416095][ T8349] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 83.424076][ T8349] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 83.432036][ T8349] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 83.439999][ T8349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 83.447953][ T8349] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 83.455921][ T8367] CPU: 0 PID: 8367 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 83.464149][ T8367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.474192][ T8367] Call Trace: [ 83.477494][ T8367] dump_stack+0x1ac/0x21e [ 83.481824][ T8367] should_fail.cold+0x5/0xf [ 83.486331][ T8367] __should_failslab+0xb7/0x100 [ 83.491180][ T8367] should_failslab+0x9/0x14 [ 83.495684][ T8367] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 83.501835][ T8367] __kmalloc+0x70/0x300 [ 83.505985][ T8367] ? tty_write+0x664/0x850 [ 83.510416][ T8367] ? mutex_trylock+0x252/0x2d0 [ 83.515179][ T8367] tty_write+0x664/0x850 [ 83.519435][ T8367] ? n_tty_receive_char_lnext+0x710/0x710 [ 83.525154][ T8367] do_iter_write+0x4af/0x690 [ 83.529749][ T8367] vfs_writev+0x1c5/0x310 [ 83.534072][ T8367] ? vfs_iter_write+0xb0/0xb0 [ 83.538745][ T8367] ? lock_downgrade+0x920/0x920 [ 83.543624][ T8367] ? __fget_files+0x28f/0x410 [ 83.548317][ T8367] ? __fget_light+0xf1/0x270 [ 83.552910][ T8367] do_writev+0x161/0x340 [ 83.557166][ T8367] ? vfs_writev+0x310/0x310 [ 83.561670][ T8367] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.562259][ T8370] FAULT_INJECTION: forcing a failure. [ 83.562259][ T8370] name failslab, interval 1, probability 0, space 0, times 0 [ 83.567551][ T8367] ? lockdep_hardirqs_on+0x58/0x100 [ 83.567573][ T8367] __x64_sys_writev+0x75/0xb0 [ 83.567591][ T8367] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.595819][ T8367] do_syscall_64+0x32/0x80 [ 83.600213][ T8367] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.606082][ T8367] RIP: 0033:0x45b419 [ 83.609974][ T8367] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.629555][ T8367] RSP: 002b:00007f33fc5a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 83.637945][ T8367] RAX: ffffffffffffffda RBX: 00007f33fc5a26d4 RCX: 000000000045b419 [ 83.645894][ T8367] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 83.653843][ T8367] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 83.661791][ T8367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 83.669741][ T8367] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 83.677713][ T8370] CPU: 1 PID: 8370 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 83.685944][ T8370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.695986][ T8370] Call Trace: [ 83.699291][ T8370] dump_stack+0x1ac/0x21e [ 83.703625][ T8370] should_fail.cold+0x5/0xf [ 83.708129][ T8370] __should_failslab+0xb7/0x100 [ 83.712980][ T8370] should_failslab+0x9/0x14 [ 83.717484][ T8370] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 83.723632][ T8370] __kmalloc+0x70/0x300 [ 83.727785][ T8370] ? tty_write+0x664/0x850 [ 83.732199][ T8370] ? mutex_trylock+0x252/0x2d0 [ 83.736968][ T8370] tty_write+0x664/0x850 [ 83.741226][ T8370] ? n_tty_receive_char_lnext+0x710/0x710 [ 83.746948][ T8370] do_iter_write+0x4af/0x690 [ 83.751551][ T8370] vfs_writev+0x1c5/0x310 [ 83.755879][ T8370] ? vfs_iter_write+0xb0/0xb0 [ 83.760549][ T8370] ? lock_downgrade+0x920/0x920 [ 83.765408][ T8370] ? __fget_files+0x28f/0x410 [ 83.770107][ T8370] ? __fget_light+0xf1/0x270 [ 83.774702][ T8370] do_writev+0x161/0x340 [ 83.778960][ T8370] ? vfs_writev+0x310/0x310 [ 83.783473][ T8370] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.789358][ T8370] ? lockdep_hardirqs_on+0x58/0x100 [ 83.794555][ T8370] __x64_sys_writev+0x75/0xb0 [ 83.799313][ T8370] ? syscall_enter_from_user_mode+0x21/0x70 [ 83.805198][ T8370] do_syscall_64+0x32/0x80 [ 83.809605][ T8370] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.815483][ T8370] RIP: 0033:0x45b419 [ 83.819372][ T8370] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.838964][ T8370] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 83.847365][ T8370] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 83.855352][ T8370] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 83.863313][ T8370] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 83.871275][ T8370] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 83.879257][ T8370] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 83.940339][ T8376] FAULT_INJECTION: forcing a failure. [ 83.940339][ T8376] name failslab, interval 1, probability 0, space 0, times 0 [ 83.955161][ T8378] FAULT_INJECTION: forcing a failure. [ 83.955161][ T8378] name failslab, interval 1, probability 0, space 0, times 0 [ 83.966387][ T8377] FAULT_INJECTION: forcing a failure. [ 83.966387][ T8377] name failslab, interval 1, probability 0, space 0, times 0 [ 83.967910][ T8376] CPU: 1 PID: 8376 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 83.988588][ T8376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.988823][ T8379] FAULT_INJECTION: forcing a failure. [ 83.988823][ T8379] name failslab, interval 1, probability 0, space 0, times 0 [ 83.998623][ T8376] Call Trace: [ 83.998643][ T8376] dump_stack+0x1ac/0x21e [ 83.998666][ T8376] should_fail.cold+0x5/0xf [ 83.998690][ T8376] __should_failslab+0xb7/0x100 [ 83.998713][ T8376] should_failslab+0x9/0x14 [ 83.998728][ T8376] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 83.998756][ T8376] __kmalloc+0x70/0x300 [ 83.998771][ T8376] ? tty_write+0x664/0x850 [ 83.998786][ T8376] ? mutex_trylock+0x252/0x2d0 [ 83.998806][ T8376] tty_write+0x664/0x850 [ 83.998825][ T8376] ? n_tty_receive_char_lnext+0x710/0x710 [ 83.998847][ T8376] do_iter_write+0x4af/0x690 [ 83.998871][ T8376] vfs_writev+0x1c5/0x310 [ 84.071047][ T8376] ? vfs_iter_write+0xb0/0xb0 [ 84.075723][ T8376] ? lock_downgrade+0x920/0x920 [ 84.080599][ T8376] ? __fget_files+0x28f/0x410 [ 84.085283][ T8376] ? __fget_light+0xf1/0x270 [ 84.089873][ T8376] do_writev+0x161/0x340 [ 84.094115][ T8376] ? vfs_writev+0x310/0x310 [ 84.098616][ T8376] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.104502][ T8376] ? lockdep_hardirqs_on+0x58/0x100 [ 84.109703][ T8376] __x64_sys_writev+0x75/0xb0 [ 84.114368][ T8376] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.120249][ T8376] do_syscall_64+0x32/0x80 [ 84.124658][ T8376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.130543][ T8376] RIP: 0033:0x45b419 [ 84.134455][ T8376] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.154045][ T8376] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 84.162443][ T8376] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 84.170400][ T8376] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 84.178360][ T8376] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 84.186316][ T8376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 84.194274][ T8376] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 84.202253][ T8379] CPU: 0 PID: 8379 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 84.210485][ T8379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.220523][ T8379] Call Trace: [ 84.223803][ T8379] dump_stack+0x1ac/0x21e [ 84.228142][ T8379] should_fail.cold+0x5/0xf [ 84.232648][ T8379] __should_failslab+0xb7/0x100 [ 84.237496][ T8379] should_failslab+0x9/0x14 [ 84.241991][ T8379] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 84.248153][ T8379] __kmalloc+0x70/0x300 [ 84.252300][ T8379] ? tty_write+0x664/0x850 [ 84.256699][ T8379] ? mutex_trylock+0x252/0x2d0 [ 84.261453][ T8379] tty_write+0x664/0x850 [ 84.265678][ T8379] ? n_tty_receive_char_lnext+0x710/0x710 [ 84.271379][ T8379] do_iter_write+0x4af/0x690 [ 84.275956][ T8379] vfs_writev+0x1c5/0x310 [ 84.280283][ T8379] ? vfs_iter_write+0xb0/0xb0 [ 84.284964][ T8379] ? lock_downgrade+0x920/0x920 [ 84.289813][ T8379] ? __fget_files+0x28f/0x410 [ 84.294564][ T8379] ? __fget_light+0xf1/0x270 [ 84.299138][ T8379] do_writev+0x161/0x340 [ 84.303378][ T8379] ? vfs_writev+0x310/0x310 [ 84.307861][ T8379] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.313753][ T8379] ? lockdep_hardirqs_on+0x58/0x100 [ 84.318938][ T8379] __x64_sys_writev+0x75/0xb0 [ 84.323598][ T8379] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.329476][ T8379] do_syscall_64+0x32/0x80 [ 84.333874][ T8379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.339756][ T8379] RIP: 0033:0x45b419 [ 84.343636][ T8379] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.363222][ T8379] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 84.371611][ T8379] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 84.379579][ T8379] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 84.387542][ T8379] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 84.395539][ T8379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 84.403507][ T8379] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 84.411554][ T8378] CPU: 1 PID: 8378 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 84.419794][ T8378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.429842][ T8378] Call Trace: [ 84.433132][ T8378] dump_stack+0x1ac/0x21e [ 84.437460][ T8378] should_fail.cold+0x5/0xf [ 84.441967][ T8378] __should_failslab+0xb7/0x100 [ 84.446811][ T8378] should_failslab+0x9/0x14 [ 84.451301][ T8378] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 84.457464][ T8378] __kmalloc+0x70/0x300 [ 84.461622][ T8378] ? tty_write+0x664/0x850 [ 84.466036][ T8378] ? mutex_trylock+0x252/0x2d0 [ 84.470802][ T8378] tty_write+0x664/0x850 [ 84.475045][ T8378] ? n_tty_receive_char_lnext+0x710/0x710 [ 84.480766][ T8378] do_iter_write+0x4af/0x690 [ 84.485364][ T8378] vfs_writev+0x1c5/0x310 [ 84.489691][ T8378] ? vfs_iter_write+0xb0/0xb0 [ 84.494359][ T8378] ? lock_downgrade+0x920/0x920 [ 84.499217][ T8378] ? __fget_files+0x28f/0x410 [ 84.503891][ T8378] ? __fget_light+0xf1/0x270 [ 84.508479][ T8378] do_writev+0x161/0x340 [ 84.512718][ T8378] ? vfs_writev+0x310/0x310 [ 84.517215][ T8378] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.523096][ T8378] ? lockdep_hardirqs_on+0x58/0x100 [ 84.528295][ T8378] __x64_sys_writev+0x75/0xb0 [ 84.532981][ T8378] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.538858][ T8378] do_syscall_64+0x32/0x80 [ 84.543279][ T8378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.549158][ T8378] RIP: 0033:0x45b419 [ 84.553040][ T8378] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.572627][ T8378] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 84.581033][ T8378] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 84.588992][ T8378] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 84.596970][ T8378] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 84.604937][ T8378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 84.612900][ T8378] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 84.620877][ T8377] CPU: 0 PID: 8377 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 84.629108][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.639150][ T8377] Call Trace: [ 84.642437][ T8377] dump_stack+0x1ac/0x21e [ 84.646773][ T8377] should_fail.cold+0x5/0xf [ 84.651300][ T8377] __should_failslab+0xb7/0x100 [ 84.656169][ T8377] should_failslab+0x9/0x14 [ 84.660669][ T8377] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 84.666824][ T8377] __kmalloc+0x70/0x300 [ 84.667828][ T8383] FAULT_INJECTION: forcing a failure. [ 84.667828][ T8383] name failslab, interval 1, probability 0, space 0, times 0 [ 84.670969][ T8377] ? tty_write+0x664/0x850 [ 84.670987][ T8377] ? mutex_trylock+0x252/0x2d0 [ 84.671008][ T8377] tty_write+0x664/0x850 [ 84.671029][ T8377] ? n_tty_receive_char_lnext+0x710/0x710 [ 84.671049][ T8377] do_iter_write+0x4af/0x690 [ 84.671074][ T8377] vfs_writev+0x1c5/0x310 [ 84.711541][ T8377] ? vfs_iter_write+0xb0/0xb0 [ 84.716203][ T8377] ? lock_downgrade+0x920/0x920 [ 84.721050][ T8377] ? __fget_files+0x28f/0x410 [ 84.725719][ T8377] ? __fget_light+0xf1/0x270 [ 84.730293][ T8377] do_writev+0x161/0x340 [ 84.734521][ T8377] ? vfs_writev+0x310/0x310 [ 84.739020][ T8377] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.744899][ T8377] ? lockdep_hardirqs_on+0x58/0x100 [ 84.750090][ T8377] __x64_sys_writev+0x75/0xb0 [ 84.754750][ T8377] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.760626][ T8377] do_syscall_64+0x32/0x80 [ 84.765023][ T8377] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.770893][ T8377] RIP: 0033:0x45b419 [ 84.774786][ T8377] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.794369][ T8377] RSP: 002b:00007f80c1deac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 84.802760][ T8377] RAX: ffffffffffffffda RBX: 00007f80c1deb6d4 RCX: 000000000045b419 [ 84.810712][ T8377] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 84.818678][ T8377] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 84.826629][ T8377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 84.834587][ T8377] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 84.842559][ T8383] CPU: 1 PID: 8383 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 84.850790][ T8383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.860840][ T8383] Call Trace: [ 84.864151][ T8383] dump_stack+0x1ac/0x21e [ 84.868485][ T8383] should_fail.cold+0x5/0xf [ 84.872991][ T8383] __should_failslab+0xb7/0x100 [ 84.877839][ T8383] should_failslab+0x9/0x14 [ 84.882357][ T8383] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 84.888526][ T8383] __kmalloc+0x70/0x300 [ 84.892684][ T8383] ? tty_write+0x664/0x850 [ 84.897097][ T8383] ? mutex_trylock+0x252/0x2d0 [ 84.901876][ T8383] tty_write+0x664/0x850 [ 84.906125][ T8383] ? n_tty_receive_char_lnext+0x710/0x710 [ 84.911869][ T8383] do_iter_write+0x4af/0x690 [ 84.916470][ T8383] vfs_writev+0x1c5/0x310 [ 84.920804][ T8383] ? vfs_iter_write+0xb0/0xb0 [ 84.925476][ T8383] ? lock_downgrade+0x920/0x920 [ 84.930341][ T8383] ? __fget_files+0x28f/0x410 [ 84.935022][ T8383] ? __fget_light+0xf1/0x270 [ 84.939614][ T8383] do_writev+0x161/0x340 [ 84.943854][ T8383] ? vfs_writev+0x310/0x310 [ 84.948359][ T8383] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.954248][ T8383] ? lockdep_hardirqs_on+0x58/0x100 [ 84.959467][ T8383] __x64_sys_writev+0x75/0xb0 [ 84.964141][ T8383] ? syscall_enter_from_user_mode+0x21/0x70 [ 84.970050][ T8383] do_syscall_64+0x32/0x80 [ 84.974459][ T8383] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.980339][ T8383] RIP: 0033:0x45b419 [ 84.984228][ T8383] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.003824][ T8383] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 85.012226][ T8383] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 85.020190][ T8383] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 85.028159][ T8383] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 85.036147][ T8383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 85.044114][ T8383] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 85.111844][ T8386] FAULT_INJECTION: forcing a failure. [ 85.111844][ T8386] name failslab, interval 1, probability 0, space 0, times 0 [ 85.164607][ T8386] CPU: 1 PID: 8386 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 85.172849][ T8386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.182892][ T8386] Call Trace: [ 85.186188][ T8386] dump_stack+0x1ac/0x21e [ 85.190521][ T8386] should_fail.cold+0x5/0xf [ 85.192737][ T8390] FAULT_INJECTION: forcing a failure. [ 85.192737][ T8390] name failslab, interval 1, probability 0, space 0, times 0 [ 85.195023][ T8386] __should_failslab+0xb7/0x100 [ 85.195040][ T8386] should_failslab+0x9/0x14 [ 85.195055][ T8386] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 85.195072][ T8386] __kmalloc+0x70/0x300 [ 85.227211][ T8386] ? tty_write+0x664/0x850 [ 85.231626][ T8386] ? mutex_trylock+0x252/0x2d0 [ 85.236392][ T8386] tty_write+0x664/0x850 [ 85.240633][ T8386] ? n_tty_receive_char_lnext+0x710/0x710 [ 85.246457][ T8386] do_iter_write+0x4af/0x690 [ 85.251054][ T8386] vfs_writev+0x1c5/0x310 [ 85.255380][ T8386] ? vfs_iter_write+0xb0/0xb0 [ 85.260051][ T8386] ? lock_downgrade+0x920/0x920 [ 85.264895][ T8386] ? __fget_files+0x28f/0x410 [ 85.269560][ T8386] ? __fget_light+0xf1/0x270 [ 85.274145][ T8386] do_writev+0x161/0x340 [ 85.278389][ T8386] ? vfs_writev+0x310/0x310 [ 85.282882][ T8386] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.288762][ T8386] ? lockdep_hardirqs_on+0x58/0x100 [ 85.293974][ T8386] __x64_sys_writev+0x75/0xb0 [ 85.298651][ T8386] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.304542][ T8386] do_syscall_64+0x32/0x80 [ 85.308988][ T8386] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.315392][ T8386] RIP: 0033:0x45b419 [ 85.319284][ T8386] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.338876][ T8386] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 85.347287][ T8386] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 85.355256][ T8386] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 85.363221][ T8386] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 85.371269][ T8386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 85.379226][ T8386] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 85.387225][ T8390] CPU: 0 PID: 8390 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 85.395462][ T8390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.405505][ T8390] Call Trace: [ 85.408792][ T8390] dump_stack+0x1ac/0x21e [ 85.413119][ T8390] should_fail.cold+0x5/0xf [ 85.417621][ T8390] __should_failslab+0xb7/0x100 [ 85.422468][ T8390] should_failslab+0x9/0x14 [ 85.426969][ T8390] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 85.433123][ T8390] __kmalloc+0x70/0x300 [ 85.437288][ T8390] ? tty_write+0x664/0x850 [ 85.441702][ T8390] ? mutex_trylock+0x252/0x2d0 [ 85.446467][ T8390] tty_write+0x664/0x850 [ 85.450715][ T8390] ? n_tty_receive_char_lnext+0x710/0x710 [ 85.456441][ T8390] do_iter_write+0x4af/0x690 [ 85.461037][ T8390] vfs_writev+0x1c5/0x310 [ 85.465359][ T8390] ? vfs_iter_write+0xb0/0xb0 [ 85.470032][ T8390] ? lock_downgrade+0x920/0x920 [ 85.474891][ T8390] ? __fget_files+0x28f/0x410 [ 85.479162][ T8395] FAULT_INJECTION: forcing a failure. [ 85.479162][ T8395] name failslab, interval 1, probability 0, space 0, times 0 [ 85.479587][ T8390] ? __fget_light+0xf1/0x270 [ 85.479605][ T8390] do_writev+0x161/0x340 [ 85.479623][ T8390] ? vfs_writev+0x310/0x310 [ 85.505440][ T8390] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.511315][ T8390] ? lockdep_hardirqs_on+0x58/0x100 [ 85.516499][ T8390] __x64_sys_writev+0x75/0xb0 [ 85.521158][ T8390] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.527036][ T8390] do_syscall_64+0x32/0x80 [ 85.531438][ T8390] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.537306][ T8390] RIP: 0033:0x45b419 [ 85.541193][ T8390] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.560772][ T8390] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 85.569181][ T8390] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 85.577139][ T8390] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 85.585109][ T8390] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 85.593056][ T8390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 85.601009][ T8390] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 85.608983][ T8395] CPU: 1 PID: 8395 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 85.617220][ T8395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.627267][ T8395] Call Trace: [ 85.630565][ T8395] dump_stack+0x1ac/0x21e [ 85.634896][ T8395] should_fail.cold+0x5/0xf [ 85.639414][ T8395] __should_failslab+0xb7/0x100 [ 85.644264][ T8395] should_failslab+0x9/0x14 [ 85.648760][ T8395] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 85.654907][ T8395] __kmalloc+0x70/0x300 [ 85.659059][ T8395] ? tty_write+0x664/0x850 [ 85.663474][ T8395] ? mutex_trylock+0x252/0x2d0 [ 85.668241][ T8395] tty_write+0x664/0x850 [ 85.672482][ T8395] ? n_tty_receive_char_lnext+0x710/0x710 [ 85.678201][ T8395] do_iter_write+0x4af/0x690 [ 85.682803][ T8395] vfs_writev+0x1c5/0x310 [ 85.687147][ T8395] ? vfs_iter_write+0xb0/0xb0 [ 85.691826][ T8395] ? lock_downgrade+0x920/0x920 [ 85.696691][ T8395] ? __fget_files+0x28f/0x410 [ 85.701373][ T8395] ? __fget_light+0xf1/0x270 [ 85.705967][ T8395] do_writev+0x161/0x340 [ 85.710211][ T8395] ? vfs_writev+0x310/0x310 [ 85.714200][ T8397] FAULT_INJECTION: forcing a failure. [ 85.714200][ T8397] name failslab, interval 1, probability 0, space 0, times 0 [ 85.714713][ T8395] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.733150][ T8395] ? lockdep_hardirqs_on+0x58/0x100 [ 85.738356][ T8395] __x64_sys_writev+0x75/0xb0 [ 85.743029][ T8395] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.748911][ T8395] do_syscall_64+0x32/0x80 [ 85.753315][ T8395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 85.759189][ T8395] RIP: 0033:0x45b419 [ 85.763072][ T8395] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.782669][ T8395] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 85.791067][ T8395] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 85.799023][ T8395] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 85.806988][ T8395] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 2020/10/11 22:57:15 executed programs: 40 [ 85.814973][ T8395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 85.822937][ T8395] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 85.840139][ T8397] CPU: 0 PID: 8397 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 85.848380][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.858426][ T8397] Call Trace: [ 85.861726][ T8397] dump_stack+0x1ac/0x21e [ 85.866110][ T8397] should_fail.cold+0x5/0xf [ 85.870619][ T8397] __should_failslab+0xb7/0x100 [ 85.875474][ T8397] should_failslab+0x9/0x14 [ 85.879970][ T8397] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 85.880773][ T8402] FAULT_INJECTION: forcing a failure. [ 85.880773][ T8402] name failslab, interval 1, probability 0, space 0, times 0 [ 85.886127][ T8397] __kmalloc+0x70/0x300 [ 85.886145][ T8397] ? tty_write+0x664/0x850 [ 85.886161][ T8397] ? mutex_trylock+0x252/0x2d0 [ 85.886180][ T8397] tty_write+0x664/0x850 [ 85.899072][ T8403] FAULT_INJECTION: forcing a failure. [ 85.899072][ T8403] name failslab, interval 1, probability 0, space 0, times 0 [ 85.902911][ T8397] ? n_tty_receive_char_lnext+0x710/0x710 [ 85.902936][ T8397] do_iter_write+0x4af/0x690 [ 85.902962][ T8397] vfs_writev+0x1c5/0x310 [ 85.902981][ T8397] ? vfs_iter_write+0xb0/0xb0 [ 85.907650][ T8404] FAULT_INJECTION: forcing a failure. [ 85.907650][ T8404] name failslab, interval 1, probability 0, space 0, times 0 [ 85.912106][ T8397] ? lock_downgrade+0x920/0x920 [ 85.912138][ T8397] ? __fget_files+0x28f/0x410 [ 85.912163][ T8397] ? __fget_light+0xf1/0x270 [ 85.912185][ T8397] do_writev+0x161/0x340 [ 85.912203][ T8397] ? vfs_writev+0x310/0x310 [ 85.983399][ T8397] ? syscall_enter_from_user_mode+0x21/0x70 [ 85.989272][ T8397] ? lockdep_hardirqs_on+0x58/0x100 [ 85.994454][ T8397] __x64_sys_writev+0x75/0xb0 [ 85.999112][ T8397] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.004984][ T8397] do_syscall_64+0x32/0x80 [ 86.009395][ T8397] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.015410][ T8397] RIP: 0033:0x45b419 [ 86.019292][ T8397] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.038925][ T8397] RSP: 002b:00007fde1c4d3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 86.047317][ T8397] RAX: ffffffffffffffda RBX: 00007fde1c4d46d4 RCX: 000000000045b419 [ 86.055268][ T8397] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000004 [ 86.063236][ T8397] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 86.071186][ T8397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 86.079156][ T8397] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 86.087127][ T8404] CPU: 1 PID: 8404 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 86.095357][ T8404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.105399][ T8404] Call Trace: [ 86.108683][ T8404] dump_stack+0x1ac/0x21e [ 86.113015][ T8404] should_fail.cold+0x5/0xf [ 86.117519][ T8404] __should_failslab+0xb7/0x100 [ 86.122366][ T8404] should_failslab+0x9/0x14 [ 86.126866][ T8404] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 86.133021][ T8404] __kmalloc+0x70/0x300 [ 86.137179][ T8404] ? tty_write+0x664/0x850 [ 86.141600][ T8404] ? mutex_trylock+0x252/0x2d0 [ 86.146392][ T8404] tty_write+0x664/0x850 [ 86.150651][ T8404] ? n_tty_receive_char_lnext+0x710/0x710 [ 86.156374][ T8404] do_iter_write+0x4af/0x690 [ 86.160975][ T8404] vfs_writev+0x1c5/0x310 [ 86.165296][ T8404] ? vfs_iter_write+0xb0/0xb0 [ 86.169972][ T8404] ? lock_downgrade+0x920/0x920 [ 86.174833][ T8404] ? __fget_files+0x28f/0x410 [ 86.179518][ T8404] ? __fget_light+0xf1/0x270 [ 86.184110][ T8404] do_writev+0x161/0x340 [ 86.188354][ T8404] ? vfs_writev+0x310/0x310 [ 86.192858][ T8404] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.198744][ T8404] ? lockdep_hardirqs_on+0x58/0x100 [ 86.203962][ T8404] __x64_sys_writev+0x75/0xb0 [ 86.208631][ T8404] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.214519][ T8404] do_syscall_64+0x32/0x80 [ 86.218932][ T8404] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.224817][ T8404] RIP: 0033:0x45b419 [ 86.228704][ T8404] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.248299][ T8404] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 86.256701][ T8404] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 86.264665][ T8404] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 86.272648][ T8404] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 86.280610][ T8404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 86.288570][ T8404] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 86.303998][ T8402] CPU: 1 PID: 8402 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 86.312238][ T8402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.322281][ T8402] Call Trace: [ 86.325562][ T8402] dump_stack+0x1ac/0x21e [ 86.329891][ T8402] should_fail.cold+0x5/0xf [ 86.334481][ T8402] __should_failslab+0xb7/0x100 [ 86.339329][ T8402] should_failslab+0x9/0x14 [ 86.343825][ T8402] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 86.349973][ T8402] __kmalloc+0x70/0x300 [ 86.354122][ T8402] ? tty_write+0x664/0x850 [ 86.358539][ T8402] ? mutex_trylock+0x252/0x2d0 [ 86.363320][ T8402] tty_write+0x664/0x850 [ 86.367561][ T8402] ? n_tty_receive_char_lnext+0x710/0x710 [ 86.373281][ T8402] do_iter_write+0x4af/0x690 [ 86.377878][ T8402] vfs_writev+0x1c5/0x310 [ 86.382213][ T8402] ? vfs_iter_write+0xb0/0xb0 [ 86.386908][ T8402] ? lock_downgrade+0x920/0x920 [ 86.391875][ T8402] ? __fget_files+0x28f/0x410 [ 86.396586][ T8402] ? __fget_light+0xf1/0x270 [ 86.401179][ T8402] do_writev+0x161/0x340 [ 86.405423][ T8402] ? vfs_writev+0x310/0x310 [ 86.409918][ T8402] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.415803][ T8402] ? lockdep_hardirqs_on+0x58/0x100 [ 86.421003][ T8402] __x64_sys_writev+0x75/0xb0 [ 86.425672][ T8402] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.431559][ T8402] do_syscall_64+0x32/0x80 [ 86.435966][ T8402] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.441844][ T8402] RIP: 0033:0x45b419 [ 86.445733][ T8402] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.465338][ T8402] RSP: 002b:00007f80c1deac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 86.473758][ T8402] RAX: ffffffffffffffda RBX: 00007f80c1deb6d4 RCX: 000000000045b419 [ 86.481724][ T8402] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 86.489693][ T8402] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 86.497661][ T8402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 86.505627][ T8402] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 86.521389][ T8403] CPU: 1 PID: 8403 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 86.529633][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.539682][ T8403] Call Trace: [ 86.542973][ T8403] dump_stack+0x1ac/0x21e [ 86.547307][ T8403] should_fail.cold+0x5/0xf [ 86.551819][ T8403] __should_failslab+0xb7/0x100 [ 86.556674][ T8403] should_failslab+0x9/0x14 [ 86.561186][ T8403] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 86.567342][ T8403] __kmalloc+0x70/0x300 [ 86.571498][ T8403] ? tty_write+0x664/0x850 [ 86.575908][ T8403] ? mutex_trylock+0x252/0x2d0 [ 86.580673][ T8403] tty_write+0x664/0x850 [ 86.584920][ T8403] ? n_tty_receive_char_lnext+0x710/0x710 [ 86.590642][ T8403] do_iter_write+0x4af/0x690 [ 86.595244][ T8403] vfs_writev+0x1c5/0x310 [ 86.599573][ T8403] ? vfs_iter_write+0xb0/0xb0 [ 86.604242][ T8403] ? lock_downgrade+0x920/0x920 [ 86.609100][ T8403] ? __fget_files+0x28f/0x410 [ 86.613784][ T8403] ? __fget_light+0xf1/0x270 [ 86.618378][ T8403] do_writev+0x161/0x340 [ 86.622625][ T8403] ? vfs_writev+0x310/0x310 [ 86.627130][ T8403] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.633017][ T8403] ? lockdep_hardirqs_on+0x58/0x100 [ 86.638234][ T8403] __x64_sys_writev+0x75/0xb0 [ 86.642904][ T8403] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.648794][ T8403] do_syscall_64+0x32/0x80 [ 86.653232][ T8403] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.659121][ T8403] RIP: 0033:0x45b419 [ 86.663014][ T8403] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.682624][ T8403] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 86.691028][ T8403] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 86.698991][ T8403] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 86.706956][ T8403] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 86.714924][ T8403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 86.722894][ T8403] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 86.794790][ T8412] FAULT_INJECTION: forcing a failure. [ 86.794790][ T8412] name failslab, interval 1, probability 0, space 0, times 0 [ 86.807927][ T8412] CPU: 1 PID: 8412 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 86.816186][ T8412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.826247][ T8412] Call Trace: [ 86.829539][ T8412] dump_stack+0x1ac/0x21e [ 86.834032][ T8412] should_fail.cold+0x5/0xf [ 86.838552][ T8412] __should_failslab+0xb7/0x100 [ 86.843400][ T8412] should_failslab+0x9/0x14 [ 86.847896][ T8412] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 86.854118][ T8412] __kmalloc+0x70/0x300 [ 86.858271][ T8412] ? tty_write+0x664/0x850 [ 86.862686][ T8412] ? mutex_trylock+0x252/0x2d0 [ 86.867319][ T8415] FAULT_INJECTION: forcing a failure. [ 86.867319][ T8415] name failslab, interval 1, probability 0, space 0, times 0 [ 86.867443][ T8412] tty_write+0x664/0x850 [ 86.867459][ T8412] ? n_tty_receive_char_lnext+0x710/0x710 [ 86.867474][ T8412] do_iter_write+0x4af/0x690 [ 86.867491][ T8412] vfs_writev+0x1c5/0x310 [ 86.867503][ T8412] ? vfs_iter_write+0xb0/0xb0 [ 86.867517][ T8412] ? lock_downgrade+0x920/0x920 [ 86.867535][ T8412] ? __fget_files+0x28f/0x410 [ 86.867550][ T8412] ? __fget_light+0xf1/0x270 [ 86.867564][ T8412] do_writev+0x161/0x340 [ 86.867578][ T8412] ? vfs_writev+0x310/0x310 [ 86.867593][ T8412] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.867606][ T8412] ? lockdep_hardirqs_on+0x58/0x100 [ 86.867621][ T8412] __x64_sys_writev+0x75/0xb0 [ 86.867635][ T8412] ? syscall_enter_from_user_mode+0x21/0x70 [ 86.867647][ T8412] do_syscall_64+0x32/0x80 [ 86.867659][ T8412] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.867668][ T8412] RIP: 0033:0x45b419 [ 86.867680][ T8412] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.867687][ T8412] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 86.867700][ T8412] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 86.867708][ T8412] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 86.867715][ T8412] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 86.867723][ T8412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 86.867731][ T8412] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 86.896104][ T8414] FAULT_INJECTION: forcing a failure. [ 86.896104][ T8414] name failslab, interval 1, probability 0, space 0, times 0 [ 86.900185][ T8415] CPU: 0 PID: 8415 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 86.900192][ T8415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.900194][ T8415] Call Trace: [ 86.900212][ T8415] dump_stack+0x1ac/0x21e [ 86.941507][ T8420] FAULT_INJECTION: forcing a failure. [ 86.941507][ T8420] name failslab, interval 1, probability 0, space 0, times 0 [ 86.943275][ T8415] should_fail.cold+0x5/0xf [ 86.943291][ T8415] __should_failslab+0xb7/0x100 [ 86.943308][ T8415] should_failslab+0x9/0x14 [ 87.095605][ T8415] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 87.101663][ T8415] __kmalloc+0x70/0x300 [ 87.105812][ T8415] ? tty_buffer_alloc+0x247/0x2b0 [ 87.110819][ T8415] tty_buffer_alloc+0x247/0x2b0 [ 87.115651][ T8415] __tty_buffer_request_room+0x162/0x2d0 [ 87.121262][ T8415] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 87.127474][ T8415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.133689][ T8415] pty_write+0x133/0x200 [ 87.137908][ T8415] n_tty_write+0xb69/0x10e0 [ 87.142406][ T8415] ? lock_downgrade+0x920/0x920 [ 87.147233][ T8415] ? n_tty_receive_char_lnext+0x710/0x710 [ 87.152962][ T8415] ? __init_waitqueue_head+0x110/0x110 [ 87.158414][ T8415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.164628][ T8415] ? _copy_from_user+0x147/0x1a0 [ 87.169551][ T8415] tty_write+0x4df/0x850 [ 87.173769][ T8415] ? n_tty_receive_char_lnext+0x710/0x710 [ 87.179466][ T8415] do_iter_write+0x4af/0x690 [ 87.184032][ T8415] vfs_writev+0x1c5/0x310 [ 87.188334][ T8415] ? vfs_iter_write+0xb0/0xb0 [ 87.192998][ T8415] ? lock_downgrade+0x920/0x920 [ 87.197826][ T8415] ? __fget_files+0x28f/0x410 [ 87.202477][ T8415] ? __fget_light+0xf1/0x270 [ 87.207041][ T8415] do_writev+0x161/0x340 [ 87.211275][ T8415] ? vfs_writev+0x310/0x310 [ 87.215777][ T8415] ? syscall_enter_from_user_mode+0x21/0x70 [ 87.221661][ T8415] ? lockdep_hardirqs_on+0x58/0x100 [ 87.226836][ T8415] __x64_sys_writev+0x75/0xb0 [ 87.231507][ T8415] ? syscall_enter_from_user_mode+0x21/0x70 [ 87.237386][ T8415] do_syscall_64+0x32/0x80 [ 87.241779][ T8415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.247656][ T8415] RIP: 0033:0x45b419 [ 87.251532][ T8415] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.271108][ T8415] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 87.279492][ T8415] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 87.287437][ T8415] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 87.295381][ T8415] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 87.303329][ T8415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 87.311277][ T8415] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 87.319232][ T8414] CPU: 1 PID: 8414 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 87.319235][ C0] [ 87.319244][ C0] ====================================================== [ 87.319248][ C0] WARNING: possible circular locking dependency detected [ 87.319251][ C0] 5.9.0-syzkaller #0 Not tainted [ 87.319255][ C0] ------------------------------------------------------ [ 87.319260][ C0] syz-executor.4/8415 is trying to acquire lock: [ 87.319262][ C0] ffffffff89fb58c0 (console_owner){-.-.}-{0:0}, at: vprintk_emit+0x48e/0x760 [ 87.319274][ C0] [ 87.319278][ C0] but task is already holding lock: [ 87.319281][ C0] ffff8880908bb158 (&port->lock){-.-.}-{2:2}, at: pty_write+0xff/0x200 [ 87.319292][ C0] [ 87.319296][ C0] which lock already depends on the new lock. [ 87.319298][ C0] [ 87.319300][ C0] [ 87.319305][ C0] the existing dependency chain (in reverse order) is: [ 87.319307][ C0] [ 87.319309][ C0] -> #2 (&port->lock){-.-.}-{2:2}: [ 87.319321][ C0] _raw_spin_lock_irqsave+0x9d/0xdc [ 87.319325][ C0] tty_port_tty_get+0x24/0x100 [ 87.319329][ C0] tty_port_default_wakeup+0x16/0x40 [ 87.319332][ C0] tty_port_tty_wakeup+0x57/0x70 [ 87.319336][ C0] uart_write_wakeup+0x46/0x60 [ 87.319340][ C0] serial8250_tx_chars+0x48d/0xaa0 [ 87.319344][ C0] serial8250_handle_irq.part.0+0x345/0x3f0 [ 87.319349][ C0] serial8250_default_handle_irq+0xbd/0x230 [ 87.319353][ C0] serial8250_interrupt+0xf1/0x1a0 [ 87.319357][ C0] __handle_irq_event_percpu+0x220/0xaa0 [ 87.319360][ C0] handle_irq_event+0x10f/0x2a0 [ 87.319364][ C0] handle_edge_irq+0x262/0xd10 [ 87.319368][ C0] asm_call_irq_on_stack+0xf/0x20 [ 87.319371][ C0] common_interrupt+0x124/0x200 [ 87.319375][ C0] asm_common_interrupt+0x1e/0x40 [ 87.319379][ C0] native_safe_halt+0xe/0x10 [ 87.319382][ C0] acpi_idle_enter+0x346/0x500 [ 87.319386][ C0] cpuidle_enter_state+0x1a0/0xb60 [ 87.319389][ C0] cpuidle_enter+0x4f/0xa0 [ 87.319393][ C0] do_idle+0x4b4/0x740 [ 87.319396][ C0] cpu_startup_entry+0x1b/0x20 [ 87.319400][ C0] start_secondary+0x1f8/0x270 [ 87.319404][ C0] secondary_startup_64+0xa4/0xb0 [ 87.319406][ C0] [ 87.319407][ C0] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 87.319419][ C0] _raw_spin_lock_irqsave+0x9d/0xdc [ 87.319423][ C0] serial8250_console_write+0x21d/0xba0 [ 87.319427][ C0] univ8250_console_write+0x5f/0x70 [ 87.319431][ C0] console_unlock+0xaec/0xe70 [ 87.319434][ C0] vprintk_emit+0x304/0x760 [ 87.319438][ C0] vprintk_default+0x28/0x30 [ 87.319441][ C0] vprintk_func+0x94/0x1ad [ 87.319444][ C0] printk+0xba/0xed [ 87.319448][ C0] register_console+0x567/0x840 [ 87.319452][ C0] univ8250_console_init+0x3e/0x4b [ 87.319455][ C0] console_init+0x443/0x64e [ 87.319459][ C0] start_kernel+0x31c/0x4b0 [ 87.319463][ C0] x86_64_start_reservations+0x29/0x2b [ 87.319466][ C0] x86_64_start_kernel+0x77/0x7b [ 87.319470][ C0] secondary_startup_64+0xa4/0xb0 [ 87.319472][ C0] [ 87.319474][ C0] -> #0 (console_owner){-.-.}-{0:0}: [ 87.319486][ C0] __lock_acquire+0x2b5d/0x59e0 [ 87.319489][ C0] lock_acquire+0x20c/0xb10 [ 87.319493][ C0] vprintk_emit+0x4cb/0x760 [ 87.319496][ C0] vprintk_default+0x28/0x30 [ 87.319500][ C0] vprintk_func+0x94/0x1ad [ 87.319503][ C0] printk+0xba/0xed [ 87.319506][ C0] should_fail+0x477/0x5a0 [ 87.319510][ C0] __should_failslab+0xb7/0x100 [ 87.319514][ C0] should_failslab+0x9/0x14 [ 87.319518][ C0] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 87.319521][ C0] __kmalloc+0x70/0x300 [ 87.319525][ C0] tty_buffer_alloc+0x247/0x2b0 [ 87.319530][ C0] __tty_buffer_request_room+0x162/0x2d0 [ 87.319534][ C0] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 87.319537][ C0] pty_write+0x133/0x200 [ 87.319541][ C0] n_tty_write+0xb69/0x10e0 [ 87.319544][ C0] tty_write+0x4df/0x850 [ 87.319548][ C0] do_iter_write+0x4af/0x690 [ 87.319551][ C0] vfs_writev+0x1c5/0x310 [ 87.319554][ C0] do_writev+0x161/0x340 [ 87.319558][ C0] __x64_sys_writev+0x75/0xb0 [ 87.319561][ C0] do_syscall_64+0x32/0x80 [ 87.319566][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.319568][ C0] [ 87.319572][ C0] other info that might help us debug this: [ 87.319573][ C0] [ 87.319576][ C0] Chain exists of: [ 87.319578][ C0] console_owner --> &port_lock_key --> &port->lock [ 87.319592][ C0] [ 87.319595][ C0] Possible unsafe locking scenario: [ 87.319597][ C0] [ 87.319601][ C0] CPU0 CPU1 [ 87.319605][ C0] ---- ---- [ 87.319606][ C0] lock(&port->lock); [ 87.319614][ C0] lock(&port_lock_key); [ 87.319622][ C0] lock(&port->lock); [ 87.319628][ C0] lock(console_owner); [ 87.319634][ C0] [ 87.319637][ C0] *** DEADLOCK *** [ 87.319639][ C0] [ 87.319642][ C0] 5 locks held by syz-executor.4/8415: [ 87.319644][ C0] #0: ffff8880a93f0098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x33/0x40 [ 87.319658][ C0] #1: ffff8880a93f0130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write+0x28f/0x850 [ 87.319673][ C0] #2: ffff8880a93f02e8 (&tty->termios_rwsem){++++}-{3:3}, at: n_tty_write+0x1ab/0x10e0 [ 87.319687][ C0] #3: ffffc900064cd378 (&ldata->output_lock){+.+.}-{3:3}, at: n_tty_write+0xb29/0x10e0 [ 87.319702][ C0] #4: ffff8880908bb158 (&port->lock){-.-.}-{2:2}, at: pty_write+0xff/0x200 [ 87.319716][ C0] [ 87.319718][ C0] stack backtrace: [ 87.319724][ C0] CPU: 0 PID: 8415 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 87.319731][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.319733][ C0] Call Trace: [ 87.319736][ C0] dump_stack+0x1ac/0x21e [ 87.319740][ C0] print_circular_bug.cold+0x162/0x171 [ 87.319743][ C0] check_noncircular+0x35f/0x450 [ 87.319746][ C0] ? print_circular_bug+0x3f0/0x3f0 [ 87.319750][ C0] ? lock_repin_lock+0x490/0x490 [ 87.319754][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.319757][ C0] __lock_acquire+0x2b5d/0x59e0 [ 87.319761][ C0] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 87.319765][ C0] ? lock_is_held_type+0xc1/0xf0 [ 87.319768][ C0] lock_acquire+0x20c/0xb10 [ 87.319771][ C0] ? vprintk_emit+0x48e/0x760 [ 87.319775][ C0] ? lock_release+0xa20/0xa20 [ 87.319778][ C0] ? lock_downgrade+0x920/0x920 [ 87.319781][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 87.319784][ C0] vprintk_emit+0x4cb/0x760 [ 87.319788][ C0] ? vprintk_emit+0x48e/0x760 [ 87.319791][ C0] vprintk_default+0x28/0x30 [ 87.319794][ C0] vprintk_func+0x94/0x1ad [ 87.319796][ C0] printk+0xba/0xed [ 87.319800][ C0] ? log_store.cold+0x16/0x16 [ 87.319804][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.319807][ C0] ? __lock_acquire+0x2fa7/0x59e0 [ 87.319810][ C0] should_fail+0x477/0x5a0 [ 87.319814][ C0] __should_failslab+0xb7/0x100 [ 87.319817][ C0] should_failslab+0x9/0x14 [ 87.319821][ C0] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 87.319824][ C0] __kmalloc+0x70/0x300 [ 87.319828][ C0] ? tty_buffer_alloc+0x247/0x2b0 [ 87.319831][ C0] tty_buffer_alloc+0x247/0x2b0 [ 87.319835][ C0] __tty_buffer_request_room+0x162/0x2d0 [ 87.319839][ C0] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 87.319843][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.319846][ C0] pty_write+0x133/0x200 [ 87.319849][ C0] n_tty_write+0xb69/0x10e0 [ 87.319853][ C0] ? lock_downgrade+0x920/0x920 [ 87.319857][ C0] ? n_tty_receive_char_lnext+0x710/0x710 [ 87.319861][ C0] ? __init_waitqueue_head+0x110/0x110 [ 87.319865][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.319868][ C0] ? _copy_from_user+0x147/0x1a0 [ 87.319871][ C0] tty_write+0x4df/0x850 [ 87.319875][ C0] ? n_tty_receive_char_lnext+0x710/0x710 [ 87.319878][ C0] do_iter_write+0x4af/0x690 [ 87.319881][ C0] vfs_writev+0x1c5/0x310 [ 87.319885][ C0] ? vfs_iter_write+0xb0/0xb0 [ 87.319888][ C0] ? lock_downgrade+0x920/0x920 [ 87.319891][ C0] ? __fget_files+0x28f/0x410 [ 87.319894][ C0] ? __fget_light+0xf1/0x270 [ 87.319897][ C0] do_writev+0x161/0x340 [ 87.319901][ C0] ? vfs_writev+0x310/0x310 [ 87.319905][ C0] ? syscall_enter_from_user_mode+0x21/0x70 [ 87.319912][ C0] ? lockdep_hardirqs_on+0x58/0x100 [ 87.319916][ C0] __x64_sys_writev+0x75/0xb0 [ 87.319920][ C0] ? syscall_enter_from_user_mode+0x21/0x70 [ 87.319923][ C0] do_syscall_64+0x32/0x80 [ 87.319927][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 87.319930][ C0] RIP: 0033:0x45b419 [ 87.319942][ C0] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.319946][ C0] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 87.319955][ C0] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 87.319960][ C0] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 87.319966][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 87.319971][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 87.319976][ C0] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 87.404679][ T8424] FAULT_INJECTION: forcing a failure. [ 87.404679][ T8424] name failslab, interval 1, probability 0, space 0, times 0 [ 87.406164][ T8414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.272246][ T8414] Call Trace: [ 88.275539][ T8414] dump_stack+0x1ac/0x21e [ 88.279862][ T8414] should_fail.cold+0x5/0xf [ 88.284342][ T8414] __should_failslab+0xb7/0x100 [ 88.289166][ T8414] should_failslab+0x9/0x14 [ 88.293642][ T8414] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 88.299780][ T8414] __kmalloc+0x70/0x300 [ 88.303914][ T8414] ? tty_write+0x664/0x850 [ 88.308325][ T8414] ? mutex_trylock+0x252/0x2d0 [ 88.313066][ T8414] tty_write+0x664/0x850 [ 88.317289][ T8414] ? n_tty_receive_char_lnext+0x710/0x710 [ 88.322988][ T8414] do_iter_write+0x4af/0x690 [ 88.327571][ T8414] vfs_writev+0x1c5/0x310 [ 88.331871][ T8414] ? vfs_iter_write+0xb0/0xb0 [ 88.336544][ T8414] ? lock_downgrade+0x920/0x920 [ 88.341388][ T8414] ? __kasan_check_read+0x11/0x20 [ 88.346391][ T8414] ? __fget_files+0x28f/0x410 [ 88.351044][ T8414] ? __fget_light+0xf1/0x270 [ 88.355608][ T8414] do_writev+0x161/0x340 [ 88.359826][ T8414] ? vfs_writev+0x310/0x310 [ 88.364306][ T8414] __x64_sys_writev+0x75/0xb0 [ 88.368956][ T8414] ? syscall_enter_from_user_mode+0x21/0x70 [ 88.374837][ T8414] do_syscall_64+0x32/0x80 [ 88.379245][ T8414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.385117][ T8414] RIP: 0033:0x45b419 [ 88.389011][ T8414] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.408602][ T8414] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 88.417007][ T8414] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 88.424955][ T8414] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000004 [ 88.432915][ T8414] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 88.440863][ T8414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 88.448834][ T8414] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 88.456803][ T8424] CPU: 0 PID: 8424 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 88.465029][ T8424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.475063][ T8424] Call Trace: [ 88.478344][ T8424] dump_stack+0x1ac/0x21e [ 88.482699][ T8424] should_fail.cold+0x5/0xf [ 88.487200][ T8424] __should_failslab+0xb7/0x100 [ 88.492041][ T8424] should_failslab+0x9/0x14 [ 88.496551][ T8424] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 88.502607][ T8424] __kmalloc+0x70/0x300 [ 88.506761][ T8424] ? tty_buffer_alloc+0x247/0x2b0 [ 88.511793][ T8424] tty_buffer_alloc+0x247/0x2b0 [ 88.516632][ T8424] __tty_buffer_request_room+0x162/0x2d0 [ 88.522259][ T8424] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 88.528489][ T8424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.534717][ T8424] pty_write+0x133/0x200 [ 88.538948][ T8424] n_tty_write+0xb69/0x10e0 [ 88.543440][ T8424] ? __might_fault+0xfb/0x1e0 [ 88.547240][ T8427] FAULT_INJECTION: forcing a failure. [ 88.547240][ T8427] name failslab, interval 1, probability 0, space 0, times 0 [ 88.548121][ T8424] ? lock_downgrade+0x920/0x920 [ 88.565478][ T8424] ? n_tty_receive_char_lnext+0x710/0x710 [ 88.571171][ T8424] ? __init_waitqueue_head+0x110/0x110 [ 88.576604][ T8424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.582818][ T8424] ? _copy_from_user+0x147/0x1a0 [ 88.587744][ T8424] tty_write+0x4df/0x850 [ 88.591965][ T8424] ? n_tty_receive_char_lnext+0x710/0x710 [ 88.597662][ T8424] do_iter_write+0x4af/0x690 [ 88.602229][ T8424] vfs_writev+0x1c5/0x310 [ 88.606530][ T8424] ? vfs_iter_write+0xb0/0xb0 [ 88.611186][ T8424] ? lock_downgrade+0x920/0x920 [ 88.616010][ T8424] ? __kasan_check_read+0x11/0x20 [ 88.621016][ T8424] ? __fget_files+0x28f/0x410 [ 88.625672][ T8424] ? __fget_light+0xf1/0x270 [ 88.630238][ T8424] do_writev+0x161/0x340 [ 88.634470][ T8424] ? vfs_writev+0x310/0x310 [ 88.638951][ T8424] __x64_sys_writev+0x75/0xb0 [ 88.643606][ T8424] ? syscall_enter_from_user_mode+0x21/0x70 [ 88.649490][ T8424] do_syscall_64+0x32/0x80 [ 88.653884][ T8424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.659836][ T8424] RIP: 0033:0x45b419 [ 88.663716][ T8424] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.683305][ T8424] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 88.691688][ T8424] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 88.699652][ T8424] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 88.707601][ T8424] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 88.715551][ T8424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 88.723492][ T8424] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 88.731452][ T8427] CPU: 1 PID: 8427 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 88.739670][ T8427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.749722][ T8427] Call Trace: [ 88.753031][ T8427] dump_stack+0x1ac/0x21e [ 88.757358][ T8427] should_fail.cold+0x5/0xf [ 88.761854][ T8427] __should_failslab+0xb7/0x100 [ 88.766692][ T8427] should_failslab+0x9/0x14 [ 88.771180][ T8427] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 88.777246][ T8427] __kmalloc+0x70/0x300 [ 88.781389][ T8427] ? tty_buffer_alloc+0x247/0x2b0 [ 88.786400][ T8427] tty_buffer_alloc+0x247/0x2b0 [ 88.791239][ T8427] __tty_buffer_request_room+0x162/0x2d0 [ 88.796865][ T8427] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 88.803098][ T8427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.809329][ T8427] pty_write+0x133/0x200 [ 88.810355][ T8429] FAULT_INJECTION: forcing a failure. [ 88.810355][ T8429] name failslab, interval 1, probability 0, space 0, times 0 [ 88.813561][ T8427] n_tty_write+0xb69/0x10e0 [ 88.830589][ T8427] ? __might_fault+0xfb/0x1e0 [ 88.835243][ T8427] ? lock_downgrade+0x920/0x920 [ 88.840075][ T8427] ? n_tty_receive_char_lnext+0x710/0x710 [ 88.845784][ T8427] ? __init_waitqueue_head+0x110/0x110 [ 88.851229][ T8427] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.857449][ T8427] ? _copy_from_user+0x147/0x1a0 [ 88.862367][ T8427] tty_write+0x4df/0x850 [ 88.866593][ T8427] ? n_tty_receive_char_lnext+0x710/0x710 [ 88.872298][ T8427] do_iter_write+0x4af/0x690 [ 88.876871][ T8427] vfs_writev+0x1c5/0x310 [ 88.881181][ T8427] ? vfs_iter_write+0xb0/0xb0 [ 88.885845][ T8427] ? lock_downgrade+0x920/0x920 [ 88.890673][ T8427] ? __kasan_check_read+0x11/0x20 [ 88.895679][ T8427] ? __fget_files+0x28f/0x410 [ 88.900341][ T8427] ? __fget_light+0xf1/0x270 [ 88.904907][ T8427] do_writev+0x161/0x340 [ 88.909125][ T8427] ? vfs_writev+0x310/0x310 [ 88.913606][ T8427] __x64_sys_writev+0x75/0xb0 [ 88.918261][ T8427] ? syscall_enter_from_user_mode+0x21/0x70 [ 88.924131][ T8427] do_syscall_64+0x32/0x80 [ 88.928524][ T8427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 88.934505][ T8427] RIP: 0033:0x45b419 [ 88.938389][ T8427] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.957968][ T8427] RSP: 002b:00007f33fc5a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 88.966353][ T8427] RAX: ffffffffffffffda RBX: 00007f33fc5a26d4 RCX: 000000000045b419 [ 88.974301][ T8427] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 88.982265][ T8427] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 88.990213][ T8427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 88.998305][ T8427] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 89.006267][ T8429] CPU: 0 PID: 8429 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 89.014494][ T8429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.024534][ T8429] Call Trace: [ 89.027813][ T8429] dump_stack+0x1ac/0x21e [ 89.032150][ T8429] should_fail.cold+0x5/0xf [ 89.036645][ T8429] __should_failslab+0xb7/0x100 [ 89.041481][ T8429] should_failslab+0x9/0x14 [ 89.045983][ T8429] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 89.052032][ T8429] __kmalloc+0x70/0x300 [ 89.056205][ T8429] ? tty_buffer_alloc+0x247/0x2b0 [ 89.061239][ T8429] tty_buffer_alloc+0x247/0x2b0 [ 89.066074][ T8429] __tty_buffer_request_room+0x162/0x2d0 [ 89.071692][ T8429] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 89.077920][ T8429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.084148][ T8429] pty_write+0x133/0x200 [ 89.088380][ T8429] n_tty_write+0xb69/0x10e0 [ 89.092874][ T8429] ? __might_fault+0xfb/0x1e0 [ 89.097541][ T8429] ? lock_downgrade+0x920/0x920 [ 89.102382][ T8429] ? n_tty_receive_char_lnext+0x710/0x710 [ 89.108086][ T8429] ? __init_waitqueue_head+0x110/0x110 [ 89.113546][ T8429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.119765][ T8429] ? _copy_from_user+0x147/0x1a0 [ 89.124683][ T8429] tty_write+0x4df/0x850 [ 89.128909][ T8429] ? n_tty_receive_char_lnext+0x710/0x710 [ 89.134628][ T8429] do_iter_write+0x4af/0x690 [ 89.139219][ T8429] vfs_writev+0x1c5/0x310 [ 89.143528][ T8429] ? vfs_iter_write+0xb0/0xb0 [ 89.148178][ T8429] ? lock_downgrade+0x920/0x920 [ 89.153019][ T8429] ? __kasan_check_read+0x11/0x20 [ 89.158020][ T8429] ? __fget_files+0x28f/0x410 [ 89.162676][ T8429] ? __fget_light+0xf1/0x270 [ 89.167243][ T8429] do_writev+0x161/0x340 [ 89.171469][ T8429] ? vfs_writev+0x310/0x310 [ 89.175948][ T8429] __x64_sys_writev+0x75/0xb0 [ 89.180601][ T8429] ? syscall_enter_from_user_mode+0x21/0x70 [ 89.186501][ T8429] do_syscall_64+0x32/0x80 [ 89.190891][ T8429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.196754][ T8429] RIP: 0033:0x45b419 [ 89.200626][ T8429] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.220204][ T8429] RSP: 002b:00007ff336f2ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 89.228589][ T8429] RAX: ffffffffffffffda RBX: 00007ff336f2f6d4 RCX: 000000000045b419 [ 89.236554][ T8429] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 89.244519][ T8429] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 89.252468][ T8429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 89.260414][ T8429] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 89.268368][ T8420] CPU: 1 PID: 8420 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 89.276594][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.286630][ T8420] Call Trace: [ 89.289906][ T8420] dump_stack+0x1ac/0x21e [ 89.294221][ T8420] should_fail.cold+0x5/0xf [ 89.298712][ T8420] __should_failslab+0xb7/0x100 [ 89.303548][ T8420] should_failslab+0x9/0x14 [ 89.308036][ T8420] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 89.314174][ T8420] __kmalloc+0x70/0x300 [ 89.318315][ T8420] ? tty_write+0x664/0x850 [ 89.322721][ T8420] ? mutex_trylock+0x252/0x2d0 [ 89.327474][ T8420] tty_write+0x664/0x850 [ 89.331710][ T8420] ? n_tty_receive_char_lnext+0x710/0x710 [ 89.337422][ T8420] do_iter_write+0x4af/0x690 [ 89.342003][ T8420] vfs_writev+0x1c5/0x310 [ 89.346325][ T8420] ? vfs_iter_write+0xb0/0xb0 [ 89.351004][ T8420] ? lock_downgrade+0x920/0x920 [ 89.355843][ T8420] ? __kasan_check_read+0x11/0x20 [ 89.360865][ T8420] ? __fget_files+0x28f/0x410 [ 89.365575][ T8420] ? __fget_light+0xf1/0x270 [ 89.370156][ T8420] do_writev+0x161/0x340 [ 89.374390][ T8420] ? vfs_writev+0x310/0x310 [ 89.378891][ T8420] __x64_sys_writev+0x75/0xb0 [ 89.383563][ T8420] ? syscall_enter_from_user_mode+0x21/0x70 [ 89.389443][ T8420] do_syscall_64+0x32/0x80 [ 89.393849][ T8420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.399724][ T8420] RIP: 0033:0x45b419 [ 89.403624][ T8420] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.423212][ T8420] RSP: 002b:00007ffa0680ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 89.431630][ T8420] RAX: ffffffffffffffda RBX: 00007ffa0680b6d4 RCX: 000000000045b419 [ 89.439591][ T8420] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 89.447553][ T8420] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 89.455514][ T8420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 89.463474][ T8420] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 89.527585][ T8435] FAULT_INJECTION: forcing a failure. [ 89.527585][ T8435] name failslab, interval 1, probability 0, space 0, times 0 [ 89.540178][ T8435] CPU: 1 PID: 8435 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 89.548393][ T8435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.558430][ T8435] Call Trace: [ 89.561710][ T8435] dump_stack+0x1ac/0x21e [ 89.566058][ T8435] should_fail.cold+0x5/0xf [ 89.570555][ T8435] __should_failslab+0xb7/0x100 [ 89.575395][ T8435] should_failslab+0x9/0x14 [ 89.579885][ T8435] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 89.585962][ T8435] __kmalloc+0x70/0x300 [ 89.590107][ T8435] ? tty_buffer_alloc+0x247/0x2b0 [ 89.595121][ T8435] tty_buffer_alloc+0x247/0x2b0 [ 89.599960][ T8435] __tty_buffer_request_room+0x162/0x2d0 [ 89.605582][ T8435] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 89.611813][ T8435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.618046][ T8435] pty_write+0x133/0x200 [ 89.622282][ T8435] n_tty_write+0xb69/0x10e0 [ 89.626775][ T8435] ? __might_fault+0xfb/0x1e0 [ 89.630833][ T8441] FAULT_INJECTION: forcing a failure. [ 89.630833][ T8441] name failslab, interval 1, probability 0, space 0, times 0 [ 89.631443][ T8435] ? lock_downgrade+0x920/0x920 [ 89.648826][ T8435] ? n_tty_receive_char_lnext+0x710/0x710 [ 89.654520][ T8435] ? __init_waitqueue_head+0x110/0x110 [ 89.659951][ T8435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.666170][ T8435] ? _copy_from_user+0x147/0x1a0 [ 89.671125][ T8435] tty_write+0x4df/0x850 [ 89.675363][ T8435] ? n_tty_receive_char_lnext+0x710/0x710 [ 89.681058][ T8435] do_iter_write+0x4af/0x690 [ 89.685645][ T8435] vfs_writev+0x1c5/0x310 [ 89.689946][ T8435] ? vfs_iter_write+0xb0/0xb0 [ 89.694597][ T8435] ? lock_downgrade+0x920/0x920 [ 89.699421][ T8435] ? __kasan_check_read+0x11/0x20 [ 89.704420][ T8435] ? __fget_files+0x28f/0x410 [ 89.709070][ T8435] ? __fget_light+0xf1/0x270 [ 89.713634][ T8435] do_writev+0x161/0x340 [ 89.717860][ T8435] ? vfs_writev+0x310/0x310 [ 89.722340][ T8435] __x64_sys_writev+0x75/0xb0 [ 89.726994][ T8435] ? syscall_enter_from_user_mode+0x21/0x70 [ 89.732895][ T8435] do_syscall_64+0x32/0x80 [ 89.737283][ T8435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.743144][ T8435] RIP: 0033:0x45b419 [ 89.747014][ T8435] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.766592][ T8435] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 89.774991][ T8435] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 89.782937][ T8435] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 89.790883][ T8435] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 89.798827][ T8435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 89.806772][ T8435] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 89.814732][ T8441] CPU: 0 PID: 8441 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 89.822949][ T8441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.832984][ T8441] Call Trace: [ 89.836261][ T8441] dump_stack+0x1ac/0x21e [ 89.840607][ T8441] should_fail.cold+0x5/0xf [ 89.845099][ T8441] __should_failslab+0xb7/0x100 [ 89.849946][ T8441] should_failslab+0x9/0x14 [ 89.854436][ T8441] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 89.860488][ T8441] __kmalloc+0x70/0x300 [ 89.864630][ T8441] ? tty_buffer_alloc+0x247/0x2b0 [ 89.868179][ T8445] FAULT_INJECTION: forcing a failure. [ 89.868179][ T8445] name failslab, interval 1, probability 0, space 0, times 0 [ 89.869639][ T8441] tty_buffer_alloc+0x247/0x2b0 [ 89.869653][ T8441] __tty_buffer_request_room+0x162/0x2d0 [ 89.869685][ T8441] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 89.869737][ T8441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.905132][ T8441] pty_write+0x133/0x200 [ 89.909353][ T8441] n_tty_write+0xb69/0x10e0 [ 89.913836][ T8441] ? __might_fault+0xfb/0x1e0 [ 89.918531][ T8441] ? lock_downgrade+0x920/0x920 [ 89.923364][ T8441] ? n_tty_receive_char_lnext+0x710/0x710 [ 89.929065][ T8441] ? __init_waitqueue_head+0x110/0x110 [ 89.934503][ T8441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.940725][ T8441] ? _copy_from_user+0x147/0x1a0 [ 89.945641][ T8441] tty_write+0x4df/0x850 [ 89.949865][ T8441] ? n_tty_receive_char_lnext+0x710/0x710 [ 89.955563][ T8441] do_iter_write+0x4af/0x690 [ 89.960136][ T8441] vfs_writev+0x1c5/0x310 [ 89.964464][ T8441] ? vfs_iter_write+0xb0/0xb0 [ 89.969133][ T8441] ? lock_downgrade+0x920/0x920 [ 89.973963][ T8441] ? __kasan_check_read+0x11/0x20 [ 89.978968][ T8441] ? __fget_files+0x28f/0x410 [ 89.983635][ T8441] ? __fget_light+0xf1/0x270 [ 89.988208][ T8441] do_writev+0x161/0x340 [ 89.992428][ T8441] ? vfs_writev+0x310/0x310 [ 89.996911][ T8441] __x64_sys_writev+0x75/0xb0 [ 90.001568][ T8441] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.007442][ T8441] do_syscall_64+0x32/0x80 [ 90.011941][ T8441] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.017805][ T8441] RIP: 0033:0x45b419 [ 90.021685][ T8441] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.041266][ T8441] RSP: 002b:00007fde1c4b2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 90.049664][ T8441] RAX: ffffffffffffffda RBX: 00007fde1c4b36d4 RCX: 000000000045b419 [ 90.057634][ T8441] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 90.065585][ T8441] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 90.073532][ T8441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 90.081486][ T8441] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 90.089463][ T8445] CPU: 1 PID: 8445 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 90.097690][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.107726][ T8445] Call Trace: [ 90.111004][ T8445] dump_stack+0x1ac/0x21e [ 90.115329][ T8445] should_fail.cold+0x5/0xf [ 90.119821][ T8445] __should_failslab+0xb7/0x100 [ 90.124656][ T8445] should_failslab+0x9/0x14 [ 90.129145][ T8445] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 90.135282][ T8445] __kmalloc+0x70/0x300 [ 90.139425][ T8445] ? tty_write+0x664/0x850 [ 90.143841][ T8445] ? mutex_trylock+0x252/0x2d0 [ 90.148593][ T8445] tty_write+0x664/0x850 [ 90.152825][ T8445] ? n_tty_receive_char_lnext+0x710/0x710 [ 90.158547][ T8445] do_iter_write+0x4af/0x690 [ 90.163245][ T8445] vfs_writev+0x1c5/0x310 [ 90.167562][ T8445] ? vfs_iter_write+0xb0/0xb0 [ 90.172229][ T8445] ? lock_downgrade+0x920/0x920 [ 90.173175][ T8448] FAULT_INJECTION: forcing a failure. [ 90.173175][ T8448] name failslab, interval 1, probability 0, space 0, times 0 [ 90.177069][ T8445] ? __kasan_check_read+0x11/0x20 [ 90.194603][ T8445] ? __fget_files+0x28f/0x410 [ 90.199253][ T8445] ? __fget_light+0xf1/0x270 [ 90.203817][ T8445] do_writev+0x161/0x340 [ 90.208034][ T8445] ? vfs_writev+0x310/0x310 [ 90.212516][ T8445] __x64_sys_writev+0x75/0xb0 [ 90.217169][ T8445] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.223036][ T8445] do_syscall_64+0x32/0x80 [ 90.227428][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.233291][ T8445] RIP: 0033:0x45b419 [ 90.237164][ T8445] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.256756][ T8445] RSP: 002b:00007f80c1deac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 90.265145][ T8445] RAX: ffffffffffffffda RBX: 00007f80c1deb6d4 RCX: 000000000045b419 [ 90.273092][ T8445] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 90.281046][ T8445] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 90.288994][ T8445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 90.296955][ T8445] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 90.304915][ T8448] CPU: 0 PID: 8448 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 90.313138][ T8448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.323174][ T8448] Call Trace: [ 90.326453][ T8448] dump_stack+0x1ac/0x21e [ 90.330786][ T8448] should_fail.cold+0x5/0xf [ 90.335304][ T8448] __should_failslab+0xb7/0x100 [ 90.340148][ T8448] should_failslab+0x9/0x14 [ 90.344650][ T8448] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 90.350700][ T8448] __kmalloc+0x70/0x300 [ 90.354840][ T8448] ? tty_buffer_alloc+0x247/0x2b0 [ 90.359852][ T8448] tty_buffer_alloc+0x247/0x2b0 [ 90.364690][ T8448] __tty_buffer_request_room+0x162/0x2d0 [ 90.366092][ T8454] FAULT_INJECTION: forcing a failure. [ 90.366092][ T8454] name failslab, interval 1, probability 0, space 0, times 0 [ 90.370322][ T8448] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 90.370335][ T8448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.370350][ T8448] pty_write+0x133/0x200 [ 90.370362][ T8448] n_tty_write+0xb69/0x10e0 [ 90.370379][ T8448] ? __might_fault+0xfb/0x1e0 [ 90.408679][ T8448] ? lock_downgrade+0x920/0x920 [ 90.413509][ T8448] ? n_tty_receive_char_lnext+0x710/0x710 [ 90.419203][ T8448] ? __init_waitqueue_head+0x110/0x110 [ 90.424675][ T8448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.430889][ T8448] ? _copy_from_user+0x147/0x1a0 [ 90.435807][ T8448] tty_write+0x4df/0x850 [ 90.440030][ T8448] ? n_tty_receive_char_lnext+0x710/0x710 [ 90.445725][ T8448] do_iter_write+0x4af/0x690 [ 90.450313][ T8448] vfs_writev+0x1c5/0x310 [ 90.454622][ T8448] ? vfs_iter_write+0xb0/0xb0 [ 90.459276][ T8448] ? lock_downgrade+0x920/0x920 [ 90.464117][ T8448] ? __kasan_check_read+0x11/0x20 [ 90.469120][ T8448] ? __fget_files+0x28f/0x410 [ 90.473809][ T8448] ? __fget_light+0xf1/0x270 [ 90.478374][ T8448] do_writev+0x161/0x340 [ 90.482590][ T8448] ? vfs_writev+0x310/0x310 [ 90.487069][ T8448] __x64_sys_writev+0x75/0xb0 [ 90.491747][ T8448] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.497635][ T8448] do_syscall_64+0x32/0x80 [ 90.502040][ T8448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.507909][ T8448] RIP: 0033:0x45b419 [ 90.511790][ T8448] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.531372][ T8448] RSP: 002b:00007ff336f2ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 90.539756][ T8448] RAX: ffffffffffffffda RBX: 00007ff336f2f6d4 RCX: 000000000045b419 [ 90.547699][ T8448] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 90.555644][ T8448] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 90.563592][ T8448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 90.571537][ T8448] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 90.579491][ T8454] CPU: 1 PID: 8454 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 90.587716][ T8454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.597754][ T8454] Call Trace: [ 90.601030][ T8454] dump_stack+0x1ac/0x21e [ 90.605354][ T8454] should_fail.cold+0x5/0xf [ 90.609849][ T8454] __should_failslab+0xb7/0x100 [ 90.614710][ T8454] should_failslab+0x9/0x14 [ 90.619205][ T8454] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 90.625343][ T8454] __kmalloc+0x70/0x300 [ 90.629487][ T8454] ? tty_write+0x664/0x850 [ 90.633907][ T8454] ? mutex_trylock+0x252/0x2d0 [ 90.638664][ T8454] tty_write+0x664/0x850 [ 90.642899][ T8454] ? n_tty_receive_char_lnext+0x710/0x710 [ 90.648607][ T8454] do_iter_write+0x4af/0x690 [ 90.653192][ T8454] vfs_writev+0x1c5/0x310 [ 90.656104][ T8458] FAULT_INJECTION: forcing a failure. [ 90.656104][ T8458] name failslab, interval 1, probability 0, space 0, times 0 [ 90.657531][ T8454] ? vfs_iter_write+0xb0/0xb0 [ 90.674718][ T8454] ? lock_downgrade+0x920/0x920 [ 90.679542][ T8454] ? __kasan_check_read+0x11/0x20 [ 90.684543][ T8454] ? __fget_files+0x28f/0x410 [ 90.689197][ T8454] ? __fget_light+0xf1/0x270 [ 90.693760][ T8454] do_writev+0x161/0x340 [ 90.697977][ T8454] ? vfs_writev+0x310/0x310 [ 90.702455][ T8454] __x64_sys_writev+0x75/0xb0 [ 90.707105][ T8454] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.712972][ T8454] do_syscall_64+0x32/0x80 [ 90.717361][ T8454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.723225][ T8454] RIP: 0033:0x45b419 [ 90.727098][ T8454] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.746674][ T8454] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 90.755054][ T8454] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 90.762997][ T8454] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 90.770951][ T8454] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 90.778901][ T8454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 90.786850][ T8454] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 90.794833][ T8458] CPU: 0 PID: 8458 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 90.803055][ T8458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.813097][ T8458] Call Trace: [ 90.816377][ T8458] dump_stack+0x1ac/0x21e [ 90.820701][ T8458] should_fail.cold+0x5/0xf [ 90.825195][ T8458] __should_failslab+0xb7/0x100 [ 90.830038][ T8458] should_failslab+0x9/0x14 [ 90.834524][ T8458] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 90.840576][ T8458] __kmalloc+0x70/0x300 [ 90.844717][ T8458] ? tty_buffer_alloc+0x247/0x2b0 [ 90.849759][ T8458] tty_buffer_alloc+0x247/0x2b0 [ 90.854599][ T8458] __tty_buffer_request_room+0x162/0x2d0 [ 90.860220][ T8458] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 90.866451][ T8458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.872685][ T8458] pty_write+0x133/0x200 [ 90.876918][ T8458] n_tty_write+0xb69/0x10e0 [ 90.881407][ T8458] ? __might_fault+0xfb/0x1e0 [ 90.886070][ T8458] ? lock_downgrade+0x920/0x920 [ 90.890909][ T8458] ? n_tty_receive_char_lnext+0x710/0x710 [ 90.896618][ T8458] ? __init_waitqueue_head+0x110/0x110 [ 90.902066][ T8458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.908293][ T8458] ? _copy_from_user+0x147/0x1a0 [ 90.913218][ T8458] tty_write+0x4df/0x850 [ 90.917451][ T8458] ? n_tty_receive_char_lnext+0x710/0x710 [ 90.923162][ T8458] do_iter_write+0x4af/0x690 [ 90.927740][ T8458] vfs_writev+0x1c5/0x310 [ 90.932055][ T8458] ? vfs_iter_write+0xb0/0xb0 [ 90.936720][ T8458] ? lock_downgrade+0x920/0x920 [ 90.941556][ T8458] ? __kasan_check_read+0x11/0x20 [ 90.946573][ T8458] ? __fget_files+0x28f/0x410 [ 90.951240][ T8458] ? __fget_light+0xf1/0x270 [ 90.955836][ T8458] do_writev+0x161/0x340 [ 90.960067][ T8458] ? vfs_writev+0x310/0x310 [ 90.964585][ T8458] __x64_sys_writev+0x75/0xb0 [ 90.969256][ T8458] ? syscall_enter_from_user_mode+0x21/0x70 [ 90.975153][ T8458] do_syscall_64+0x32/0x80 2020/10/11 22:57:20 executed programs: 58 [ 90.979556][ T8458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 90.985430][ T8458] RIP: 0033:0x45b419 [ 90.989310][ T8458] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.008894][ T8458] RSP: 002b:00007f33fc5a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 91.017289][ T8458] RAX: ffffffffffffffda RBX: 00007f33fc5a26d4 RCX: 000000000045b419 [ 91.018113][ T8456] FAULT_INJECTION: forcing a failure. [ 91.018113][ T8456] name failslab, interval 1, probability 0, space 0, times 0 [ 91.025523][ T8458] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 91.046025][ T8458] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 91.053973][ T8458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 91.061918][ T8458] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 91.069890][ T8456] CPU: 1 PID: 8456 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 91.078221][ T8456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.088256][ T8456] Call Trace: [ 91.091536][ T8456] dump_stack+0x1ac/0x21e [ 91.095858][ T8456] should_fail.cold+0x5/0xf [ 91.100357][ T8456] __should_failslab+0xb7/0x100 [ 91.105193][ T8456] should_failslab+0x9/0x14 [ 91.109680][ T8456] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 91.115729][ T8456] __kmalloc+0x70/0x300 [ 91.119869][ T8456] ? tty_buffer_alloc+0x247/0x2b0 [ 91.124881][ T8456] tty_buffer_alloc+0x247/0x2b0 [ 91.129718][ T8456] __tty_buffer_request_room+0x162/0x2d0 [ 91.135338][ T8456] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 91.141583][ T8456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.147813][ T8456] pty_write+0x133/0x200 [ 91.152042][ T8456] n_tty_write+0xb69/0x10e0 [ 91.156557][ T8456] ? __might_fault+0xfb/0x1e0 [ 91.161225][ T8456] ? lock_downgrade+0x920/0x920 [ 91.166079][ T8456] ? n_tty_receive_char_lnext+0x710/0x710 [ 91.171803][ T8456] ? __init_waitqueue_head+0x110/0x110 [ 91.177250][ T8456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.183492][ T8456] ? _copy_from_user+0x147/0x1a0 [ 91.188421][ T8456] tty_write+0x4df/0x850 [ 91.192652][ T8456] ? n_tty_receive_char_lnext+0x710/0x710 [ 91.198362][ T8456] do_iter_write+0x4af/0x690 [ 91.202945][ T8456] vfs_writev+0x1c5/0x310 [ 91.207296][ T8456] ? vfs_iter_write+0xb0/0xb0 [ 91.211980][ T8456] ? lock_downgrade+0x920/0x920 [ 91.216823][ T8456] ? __kasan_check_read+0x11/0x20 [ 91.221838][ T8456] ? __fget_files+0x28f/0x410 [ 91.226510][ T8456] ? __fget_light+0xf1/0x270 [ 91.231089][ T8456] do_writev+0x161/0x340 [ 91.235318][ T8456] ? vfs_writev+0x310/0x310 [ 91.239812][ T8456] __x64_sys_writev+0x75/0xb0 [ 91.244476][ T8456] ? syscall_enter_from_user_mode+0x21/0x70 [ 91.250357][ T8456] do_syscall_64+0x32/0x80 [ 91.254880][ T8456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.260752][ T8456] RIP: 0033:0x45b419 [ 91.264642][ T8456] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.284227][ T8456] RSP: 002b:00007f80c1deac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 91.292627][ T8456] RAX: ffffffffffffffda RBX: 00007f80c1deb6d4 RCX: 000000000045b419 [ 91.300584][ T8456] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 91.308538][ T8456] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 91.316497][ T8456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 91.318232][ T8471] FAULT_INJECTION: forcing a failure. [ 91.318232][ T8471] name failslab, interval 1, probability 0, space 0, times 0 [ 91.324454][ T8456] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 91.344950][ T8471] CPU: 0 PID: 8471 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 91.353164][ T8471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.363196][ T8471] Call Trace: [ 91.365346][ T8474] FAULT_INJECTION: forcing a failure. [ 91.365346][ T8474] name failslab, interval 1, probability 0, space 0, times 0 [ 91.366496][ T8471] dump_stack+0x1ac/0x21e [ 91.383329][ T8471] should_fail.cold+0x5/0xf [ 91.387811][ T8471] __should_failslab+0xb7/0x100 [ 91.392652][ T8471] should_failslab+0x9/0x14 [ 91.397128][ T8471] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 91.403167][ T8471] __kmalloc+0x70/0x300 [ 91.407296][ T8471] ? tty_buffer_alloc+0x247/0x2b0 [ 91.412295][ T8471] tty_buffer_alloc+0x247/0x2b0 [ 91.417122][ T8471] __tty_buffer_request_room+0x162/0x2d0 [ 91.422732][ T8471] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 91.428944][ T8471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.435158][ T8471] pty_write+0x133/0x200 [ 91.439376][ T8471] n_tty_write+0xb69/0x10e0 [ 91.443850][ T8471] ? __might_fault+0xfb/0x1e0 [ 91.448509][ T8471] ? lock_downgrade+0x920/0x920 [ 91.453337][ T8471] ? n_tty_receive_char_lnext+0x710/0x710 [ 91.459044][ T8471] ? __init_waitqueue_head+0x110/0x110 [ 91.464480][ T8471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.470697][ T8471] ? _copy_from_user+0x147/0x1a0 [ 91.475612][ T8471] tty_write+0x4df/0x850 [ 91.479832][ T8471] ? n_tty_receive_char_lnext+0x710/0x710 [ 91.485540][ T8471] do_iter_write+0x4af/0x690 [ 91.490107][ T8471] vfs_writev+0x1c5/0x310 [ 91.494427][ T8471] ? vfs_iter_write+0xb0/0xb0 [ 91.499106][ T8471] ? lock_downgrade+0x920/0x920 [ 91.503936][ T8471] ? __kasan_check_read+0x11/0x20 [ 91.508984][ T8471] ? __fget_files+0x28f/0x410 [ 91.513642][ T8471] ? __fget_light+0xf1/0x270 [ 91.518214][ T8471] do_writev+0x161/0x340 [ 91.522434][ T8471] ? vfs_writev+0x310/0x310 [ 91.526916][ T8471] __x64_sys_writev+0x75/0xb0 [ 91.531571][ T8471] ? syscall_enter_from_user_mode+0x21/0x70 [ 91.537444][ T8471] do_syscall_64+0x32/0x80 [ 91.541832][ T8471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.547693][ T8471] RIP: 0033:0x45b419 [ 91.551581][ T8471] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.571157][ T8471] RSP: 002b:00007ffa067e9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 91.579543][ T8471] RAX: ffffffffffffffda RBX: 00007ffa067ea6d4 RCX: 000000000045b419 [ 91.587490][ T8471] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 91.595437][ T8471] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 91.603382][ T8471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 91.611341][ T8471] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 91.619294][ T8474] CPU: 1 PID: 8474 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 91.627521][ T8474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.637575][ T8474] Call Trace: [ 91.640851][ T8474] dump_stack+0x1ac/0x21e [ 91.645168][ T8474] should_fail.cold+0x5/0xf [ 91.649667][ T8474] __should_failslab+0xb7/0x100 [ 91.654505][ T8474] should_failslab+0x9/0x14 [ 91.659007][ T8474] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 91.665062][ T8474] __kmalloc+0x70/0x300 [ 91.669216][ T8474] ? tty_buffer_alloc+0x247/0x2b0 [ 91.674232][ T8474] tty_buffer_alloc+0x247/0x2b0 [ 91.679098][ T8474] __tty_buffer_request_room+0x162/0x2d0 [ 91.684718][ T8474] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 91.690961][ T8474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.697196][ T8474] pty_write+0x133/0x200 [ 91.701428][ T8474] n_tty_write+0xb69/0x10e0 [ 91.705921][ T8474] ? __might_fault+0xfb/0x1e0 [ 91.710589][ T8474] ? lock_downgrade+0x920/0x920 [ 91.715427][ T8474] ? n_tty_receive_char_lnext+0x710/0x710 [ 91.721137][ T8474] ? __init_waitqueue_head+0x110/0x110 [ 91.726588][ T8474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.732829][ T8474] ? _copy_from_user+0x147/0x1a0 [ 91.737782][ T8474] tty_write+0x4df/0x850 [ 91.742017][ T8474] ? n_tty_receive_char_lnext+0x710/0x710 [ 91.747726][ T8474] do_iter_write+0x4af/0x690 [ 91.752312][ T8474] vfs_writev+0x1c5/0x310 [ 91.756747][ T8474] ? vfs_iter_write+0xb0/0xb0 [ 91.761414][ T8474] ? lock_downgrade+0x920/0x920 [ 91.766255][ T8474] ? __kasan_check_read+0x11/0x20 [ 91.771270][ T8474] ? __fget_files+0x28f/0x410 [ 91.775950][ T8474] ? __fget_light+0xf1/0x270 [ 91.780530][ T8474] do_writev+0x161/0x340 [ 91.784778][ T8474] ? vfs_writev+0x310/0x310 [ 91.789290][ T8474] __x64_sys_writev+0x75/0xb0 [ 91.793955][ T8474] ? syscall_enter_from_user_mode+0x21/0x70 [ 91.799834][ T8474] do_syscall_64+0x32/0x80 [ 91.804236][ T8474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 91.810108][ T8474] RIP: 0033:0x45b419 [ 91.813989][ T8474] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.833598][ T8474] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 91.841997][ T8474] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 91.849955][ T8474] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 91.857910][ T8474] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 91.865866][ T8474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 91.873832][ T8474] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 91.895574][ T8472] FAULT_INJECTION: forcing a failure. [ 91.895574][ T8472] name failslab, interval 1, probability 0, space 0, times 0 [ 91.908161][ T8472] CPU: 1 PID: 8472 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 91.916381][ T8472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.926421][ T8472] Call Trace: [ 91.929729][ T8472] dump_stack+0x1ac/0x21e [ 91.934071][ T8472] should_fail.cold+0x5/0xf [ 91.938565][ T8472] __should_failslab+0xb7/0x100 [ 91.943410][ T8472] should_failslab+0x9/0x14 [ 91.947910][ T8472] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 91.953971][ T8472] __kmalloc+0x70/0x300 [ 91.958123][ T8472] ? tty_buffer_alloc+0x247/0x2b0 [ 91.963142][ T8472] tty_buffer_alloc+0x247/0x2b0 [ 91.967987][ T8472] __tty_buffer_request_room+0x162/0x2d0 [ 91.973622][ T8472] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 91.979849][ T8472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.986092][ T8472] pty_write+0x133/0x200 [ 91.990330][ T8472] n_tty_write+0xb69/0x10e0 [ 91.991095][ T8473] FAULT_INJECTION: forcing a failure. [ 91.991095][ T8473] name failslab, interval 1, probability 0, space 0, times 0 [ 91.994851][ T8472] ? __might_fault+0xfb/0x1e0 [ 92.012157][ T8472] ? lock_downgrade+0x920/0x920 [ 92.016994][ T8472] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.022701][ T8472] ? __init_waitqueue_head+0x110/0x110 [ 92.028137][ T8472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.034350][ T8472] ? _copy_from_user+0x147/0x1a0 [ 92.039260][ T8472] tty_write+0x4df/0x850 [ 92.043481][ T8472] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.049186][ T8472] do_iter_write+0x4af/0x690 [ 92.053755][ T8472] vfs_writev+0x1c5/0x310 [ 92.058069][ T8472] ? vfs_iter_write+0xb0/0xb0 [ 92.062724][ T8472] ? lock_downgrade+0x920/0x920 [ 92.067549][ T8472] ? __kasan_check_read+0x11/0x20 [ 92.072550][ T8472] ? __fget_files+0x28f/0x410 [ 92.077202][ T8472] ? __fget_light+0xf1/0x270 [ 92.081790][ T8472] do_writev+0x161/0x340 [ 92.086010][ T8472] ? vfs_writev+0x310/0x310 [ 92.090495][ T8472] __x64_sys_writev+0x75/0xb0 [ 92.095145][ T8472] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.101013][ T8472] do_syscall_64+0x32/0x80 [ 92.105404][ T8472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.111276][ T8472] RIP: 0033:0x45b419 [ 92.115147][ T8472] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.134723][ T8472] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 92.143135][ T8472] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 92.151083][ T8472] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 92.159028][ T8472] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 92.167062][ T8472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 92.175009][ T8472] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 92.182976][ T8473] CPU: 0 PID: 8473 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 92.191193][ T8473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.201219][ T8473] Call Trace: [ 92.202439][ T8481] FAULT_INJECTION: forcing a failure. [ 92.202439][ T8481] name failslab, interval 1, probability 0, space 0, times 0 [ 92.204492][ T8473] dump_stack+0x1ac/0x21e [ 92.221343][ T8473] should_fail.cold+0x5/0xf [ 92.225821][ T8473] __should_failslab+0xb7/0x100 [ 92.230643][ T8473] should_failslab+0x9/0x14 [ 92.235117][ T8473] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 92.241180][ T8473] __kmalloc+0x70/0x300 [ 92.245308][ T8473] ? tty_buffer_alloc+0x247/0x2b0 [ 92.250309][ T8473] tty_buffer_alloc+0x247/0x2b0 [ 92.255134][ T8473] __tty_buffer_request_room+0x162/0x2d0 [ 92.260740][ T8473] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 92.266954][ T8473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.273169][ T8473] pty_write+0x133/0x200 [ 92.277385][ T8473] n_tty_write+0xb69/0x10e0 [ 92.281865][ T8473] ? __might_fault+0xfb/0x1e0 [ 92.286517][ T8473] ? lock_downgrade+0x920/0x920 [ 92.291341][ T8473] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.297039][ T8473] ? __init_waitqueue_head+0x110/0x110 [ 92.302476][ T8473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.308688][ T8473] ? _copy_from_user+0x147/0x1a0 [ 92.313597][ T8473] tty_write+0x4df/0x850 [ 92.317813][ T8473] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.323506][ T8473] do_iter_write+0x4af/0x690 [ 92.328072][ T8473] vfs_writev+0x1c5/0x310 [ 92.332374][ T8473] ? vfs_iter_write+0xb0/0xb0 [ 92.337046][ T8473] ? lock_downgrade+0x920/0x920 [ 92.341869][ T8473] ? __kasan_check_read+0x11/0x20 [ 92.346870][ T8473] ? __fget_files+0x28f/0x410 [ 92.351521][ T8473] ? __fget_light+0xf1/0x270 [ 92.356087][ T8473] do_writev+0x161/0x340 [ 92.360302][ T8473] ? vfs_writev+0x310/0x310 [ 92.364780][ T8473] __x64_sys_writev+0x75/0xb0 [ 92.369431][ T8473] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.375307][ T8473] do_syscall_64+0x32/0x80 [ 92.379711][ T8473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.385575][ T8473] RIP: 0033:0x45b419 [ 92.389458][ T8473] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.409032][ T8473] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 92.417414][ T8473] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 92.425356][ T8473] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 92.433300][ T8473] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 92.441244][ T8473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 92.449190][ T8473] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 92.457147][ T8481] CPU: 1 PID: 8481 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 92.465387][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.475426][ T8481] Call Trace: [ 92.478700][ T8481] dump_stack+0x1ac/0x21e [ 92.483021][ T8481] should_fail.cold+0x5/0xf [ 92.487513][ T8481] __should_failslab+0xb7/0x100 [ 92.492354][ T8481] should_failslab+0x9/0x14 [ 92.496873][ T8481] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 92.502932][ T8481] __kmalloc+0x70/0x300 [ 92.507074][ T8481] ? tty_buffer_alloc+0x247/0x2b0 [ 92.512082][ T8481] tty_buffer_alloc+0x247/0x2b0 [ 92.516924][ T8481] __tty_buffer_request_room+0x162/0x2d0 [ 92.522561][ T8481] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 92.528799][ T8481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.535029][ T8481] pty_write+0x133/0x200 [ 92.539263][ T8481] n_tty_write+0xb69/0x10e0 [ 92.543750][ T8481] ? __might_fault+0xfb/0x1e0 [ 92.548418][ T8481] ? lock_downgrade+0x920/0x920 [ 92.553281][ T8481] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.558990][ T8481] ? __init_waitqueue_head+0x110/0x110 [ 92.564434][ T8481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.570662][ T8481] ? _copy_from_user+0x147/0x1a0 [ 92.575585][ T8481] tty_write+0x4df/0x850 [ 92.579816][ T8481] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.585523][ T8481] do_iter_write+0x4af/0x690 [ 92.590103][ T8481] vfs_writev+0x1c5/0x310 [ 92.594418][ T8481] ? vfs_iter_write+0xb0/0xb0 [ 92.599084][ T8481] ? lock_downgrade+0x920/0x920 [ 92.603923][ T8481] ? __kasan_check_read+0x11/0x20 [ 92.608937][ T8481] ? __fget_files+0x28f/0x410 [ 92.613601][ T8481] ? __fget_light+0xf1/0x270 [ 92.618185][ T8481] do_writev+0x161/0x340 [ 92.622430][ T8481] ? vfs_writev+0x310/0x310 [ 92.626926][ T8481] __x64_sys_writev+0x75/0xb0 [ 92.627566][ T8487] FAULT_INJECTION: forcing a failure. [ 92.627566][ T8487] name failslab, interval 1, probability 0, space 0, times 0 [ 92.631593][ T8481] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.650001][ T8481] do_syscall_64+0x32/0x80 [ 92.654391][ T8481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.660251][ T8481] RIP: 0033:0x45b419 [ 92.664127][ T8481] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.683699][ T8481] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 92.692080][ T8481] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 92.700024][ T8481] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 92.707985][ T8481] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 92.715946][ T8481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 92.723902][ T8481] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 92.731870][ T8487] CPU: 0 PID: 8487 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 92.740088][ T8487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.750138][ T8487] Call Trace: [ 92.753412][ T8487] dump_stack+0x1ac/0x21e [ 92.757727][ T8487] should_fail.cold+0x5/0xf [ 92.762219][ T8487] __should_failslab+0xb7/0x100 [ 92.764881][ T8489] FAULT_INJECTION: forcing a failure. [ 92.764881][ T8489] name failslab, interval 1, probability 0, space 0, times 0 [ 92.767069][ T8487] should_failslab+0x9/0x14 [ 92.784090][ T8487] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 92.790128][ T8487] __kmalloc+0x70/0x300 [ 92.794257][ T8487] ? tty_buffer_alloc+0x247/0x2b0 [ 92.799256][ T8487] tty_buffer_alloc+0x247/0x2b0 [ 92.804079][ T8487] __tty_buffer_request_room+0x162/0x2d0 [ 92.809683][ T8487] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 92.815896][ T8487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.822124][ T8487] pty_write+0x133/0x200 [ 92.826348][ T8487] n_tty_write+0xb69/0x10e0 [ 92.830837][ T8487] ? __might_fault+0xfb/0x1e0 [ 92.835490][ T8487] ? lock_downgrade+0x920/0x920 [ 92.840329][ T8487] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.846036][ T8487] ? __init_waitqueue_head+0x110/0x110 [ 92.851489][ T8487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.857703][ T8487] ? _copy_from_user+0x147/0x1a0 [ 92.862625][ T8487] tty_write+0x4df/0x850 [ 92.866943][ T8487] ? n_tty_receive_char_lnext+0x710/0x710 [ 92.872643][ T8487] do_iter_write+0x4af/0x690 [ 92.877214][ T8487] vfs_writev+0x1c5/0x310 [ 92.881518][ T8487] ? vfs_iter_write+0xb0/0xb0 [ 92.886170][ T8487] ? lock_downgrade+0x920/0x920 [ 92.890997][ T8487] ? __kasan_check_read+0x11/0x20 [ 92.895998][ T8487] ? __fget_files+0x28f/0x410 [ 92.900649][ T8487] ? __fget_light+0xf1/0x270 [ 92.905212][ T8487] do_writev+0x161/0x340 [ 92.909428][ T8487] ? vfs_writev+0x310/0x310 [ 92.913906][ T8487] __x64_sys_writev+0x75/0xb0 [ 92.918558][ T8487] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.924421][ T8487] do_syscall_64+0x32/0x80 [ 92.928813][ T8487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.934680][ T8487] RIP: 0033:0x45b419 [ 92.938549][ T8487] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.958125][ T8487] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 92.966517][ T8487] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 92.974463][ T8487] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 92.982407][ T8487] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 92.990377][ T8487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 92.998322][ T8487] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 93.006291][ T8489] CPU: 1 PID: 8489 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 93.014608][ T8489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.024645][ T8489] Call Trace: [ 93.027927][ T8489] dump_stack+0x1ac/0x21e [ 93.032248][ T8489] should_fail.cold+0x5/0xf [ 93.036740][ T8489] __should_failslab+0xb7/0x100 [ 93.041580][ T8489] should_failslab+0x9/0x14 [ 93.046078][ T8489] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 93.052154][ T8489] __kmalloc+0x70/0x300 [ 93.056317][ T8489] ? tty_buffer_alloc+0x247/0x2b0 [ 93.061335][ T8489] tty_buffer_alloc+0x247/0x2b0 [ 93.066177][ T8489] __tty_buffer_request_room+0x162/0x2d0 [ 93.071800][ T8489] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 93.078026][ T8489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.084257][ T8489] pty_write+0x133/0x200 [ 93.088490][ T8489] n_tty_write+0xb69/0x10e0 [ 93.092980][ T8489] ? __might_fault+0xfb/0x1e0 [ 93.097649][ T8489] ? lock_downgrade+0x920/0x920 [ 93.102491][ T8489] ? n_tty_receive_char_lnext+0x710/0x710 [ 93.108198][ T8489] ? __init_waitqueue_head+0x110/0x110 [ 93.113645][ T8489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.119872][ T8489] ? _copy_from_user+0x147/0x1a0 [ 93.124795][ T8489] tty_write+0x4df/0x850 [ 93.129029][ T8489] ? n_tty_receive_char_lnext+0x710/0x710 [ 93.134752][ T8489] do_iter_write+0x4af/0x690 [ 93.139339][ T8489] vfs_writev+0x1c5/0x310 [ 93.143661][ T8489] ? vfs_iter_write+0xb0/0xb0 [ 93.148329][ T8489] ? lock_downgrade+0x920/0x920 [ 93.153184][ T8489] ? __kasan_check_read+0x11/0x20 [ 93.158202][ T8489] ? __fget_files+0x28f/0x410 [ 93.162871][ T8489] ? __fget_light+0xf1/0x270 [ 93.167452][ T8489] do_writev+0x161/0x340 [ 93.171701][ T8489] ? vfs_writev+0x310/0x310 [ 93.176195][ T8489] __x64_sys_writev+0x75/0xb0 [ 93.180866][ T8489] ? syscall_enter_from_user_mode+0x21/0x70 [ 93.186751][ T8489] do_syscall_64+0x32/0x80 [ 93.191163][ T8489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.197039][ T8489] RIP: 0033:0x45b419 [ 93.200923][ T8489] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.220512][ T8489] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 93.228907][ T8489] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 93.236869][ T8489] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 93.244837][ T8489] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 93.252805][ T8489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 93.260762][ T8489] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 93.300574][ T8497] FAULT_INJECTION: forcing a failure. [ 93.300574][ T8497] name failslab, interval 1, probability 0, space 0, times 0 [ 93.313157][ T8497] CPU: 1 PID: 8497 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 93.314198][ T8500] FAULT_INJECTION: forcing a failure. [ 93.314198][ T8500] name failslab, interval 1, probability 0, space 0, times 0 [ 93.321390][ T8497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.344067][ T8497] Call Trace: [ 93.347333][ T8497] dump_stack+0x1ac/0x21e [ 93.351637][ T8497] should_fail.cold+0x5/0xf [ 93.356128][ T8497] __should_failslab+0xb7/0x100 [ 93.360953][ T8497] should_failslab+0x9/0x14 [ 93.365516][ T8497] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 93.371554][ T8497] __kmalloc+0x70/0x300 [ 93.375686][ T8497] ? tty_buffer_alloc+0x247/0x2b0 [ 93.380684][ T8497] tty_buffer_alloc+0x247/0x2b0 [ 93.385506][ T8497] __tty_buffer_request_room+0x162/0x2d0 [ 93.391126][ T8497] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 93.397337][ T8497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.403552][ T8497] pty_write+0x133/0x200 [ 93.407768][ T8497] n_tty_write+0xb69/0x10e0 [ 93.412242][ T8497] ? __might_fault+0xfb/0x1e0 [ 93.416898][ T8497] ? lock_downgrade+0x920/0x920 [ 93.421813][ T8497] ? n_tty_receive_char_lnext+0x710/0x710 [ 93.427506][ T8497] ? __init_waitqueue_head+0x110/0x110 [ 93.432936][ T8497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.439148][ T8497] ? _copy_from_user+0x147/0x1a0 [ 93.444071][ T8497] tty_write+0x4df/0x850 [ 93.448290][ T8497] ? n_tty_receive_char_lnext+0x710/0x710 [ 93.453981][ T8497] do_iter_write+0x4af/0x690 [ 93.458545][ T8497] vfs_writev+0x1c5/0x310 [ 93.462845][ T8497] ? vfs_iter_write+0xb0/0xb0 [ 93.467495][ T8497] ? lock_downgrade+0x920/0x920 [ 93.472317][ T8497] ? __kasan_check_read+0x11/0x20 [ 93.477318][ T8497] ? __fget_files+0x28f/0x410 [ 93.481972][ T8497] ? __fget_light+0xf1/0x270 [ 93.486534][ T8497] do_writev+0x161/0x340 [ 93.490751][ T8497] ? vfs_writev+0x310/0x310 [ 93.495228][ T8497] __x64_sys_writev+0x75/0xb0 [ 93.499880][ T8497] ? syscall_enter_from_user_mode+0x21/0x70 [ 93.505744][ T8497] do_syscall_64+0x32/0x80 [ 93.510133][ T8497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.515994][ T8497] RIP: 0033:0x45b419 [ 93.519865][ T8497] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.539439][ T8497] RSP: 002b:00007ffa0682bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 93.547826][ T8497] RAX: ffffffffffffffda RBX: 00007ffa0682c6d4 RCX: 000000000045b419 [ 93.555771][ T8497] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 93.563715][ T8497] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 93.571659][ T8497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 93.579604][ T8497] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 93.587558][ T8500] CPU: 0 PID: 8500 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 93.595781][ T8500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.600170][ T8499] FAULT_INJECTION: forcing a failure. [ 93.600170][ T8499] name failslab, interval 1, probability 0, space 0, times 0 [ 93.605834][ T8500] Call Trace: [ 93.621635][ T8500] dump_stack+0x1ac/0x21e [ 93.625940][ T8500] should_fail.cold+0x5/0xf [ 93.630422][ T8500] __should_failslab+0xb7/0x100 [ 93.635244][ T8500] should_failslab+0x9/0x14 [ 93.639720][ T8500] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 93.645770][ T8500] __kmalloc+0x70/0x300 [ 93.649914][ T8500] ? tty_buffer_alloc+0x247/0x2b0 [ 93.654922][ T8500] tty_buffer_alloc+0x247/0x2b0 [ 93.659744][ T8500] __tty_buffer_request_room+0x162/0x2d0 [ 93.665371][ T8500] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 93.671600][ T8500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.677814][ T8500] pty_write+0x133/0x200 [ 93.682035][ T8500] n_tty_write+0xb69/0x10e0 [ 93.686511][ T8500] ? __might_fault+0xfb/0x1e0 [ 93.691166][ T8500] ? lock_downgrade+0x920/0x920 [ 93.695991][ T8500] ? n_tty_receive_char_lnext+0x710/0x710 [ 93.701684][ T8500] ? __init_waitqueue_head+0x110/0x110 [ 93.707134][ T8500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.713346][ T8500] ? _copy_from_user+0x147/0x1a0 [ 93.718272][ T8500] tty_write+0x4df/0x850 [ 93.722501][ T8500] ? n_tty_receive_char_lnext+0x710/0x710 [ 93.728197][ T8500] do_iter_write+0x4af/0x690 [ 93.732765][ T8500] vfs_writev+0x1c5/0x310 [ 93.737068][ T8500] ? vfs_iter_write+0xb0/0xb0 [ 93.741756][ T8500] ? lock_downgrade+0x920/0x920 [ 93.746580][ T8500] ? __kasan_check_read+0x11/0x20 [ 93.751584][ T8500] ? __fget_files+0x28f/0x410 [ 93.756240][ T8500] ? __fget_light+0xf1/0x270 [ 93.760806][ T8500] do_writev+0x161/0x340 [ 93.765026][ T8500] ? vfs_writev+0x310/0x310 [ 93.769509][ T8500] __x64_sys_writev+0x75/0xb0 [ 93.774162][ T8500] ? syscall_enter_from_user_mode+0x21/0x70 [ 93.780028][ T8500] do_syscall_64+0x32/0x80 [ 93.784442][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 93.790304][ T8500] RIP: 0033:0x45b419 [ 93.794180][ T8500] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.813756][ T8500] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 93.822149][ T8500] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 93.830112][ T8500] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 93.838066][ T8500] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 93.846008][ T8500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 93.853951][ T8500] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 93.861922][ T8499] CPU: 1 PID: 8499 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 93.870144][ T8499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.880179][ T8499] Call Trace: [ 93.883457][ T8499] dump_stack+0x1ac/0x21e [ 93.887778][ T8499] should_fail.cold+0x5/0xf [ 93.892276][ T8499] __should_failslab+0xb7/0x100 [ 93.897118][ T8499] should_failslab+0x9/0x14 [ 93.901617][ T8499] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 93.907673][ T8499] __kmalloc+0x70/0x300 [ 93.911816][ T8499] ? tty_buffer_alloc+0x247/0x2b0 [ 93.916831][ T8499] tty_buffer_alloc+0x247/0x2b0 [ 93.921672][ T8499] __tty_buffer_request_room+0x162/0x2d0 [ 93.927295][ T8499] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 93.933522][ T8499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.939750][ T8499] pty_write+0x133/0x200 [ 93.944002][ T8499] n_tty_write+0xb69/0x10e0 [ 93.948493][ T8499] ? __might_fault+0xfb/0x1e0 [ 93.953162][ T8499] ? lock_downgrade+0x920/0x920 [ 93.958002][ T8499] ? n_tty_receive_char_lnext+0x710/0x710 [ 93.963708][ T8499] ? __init_waitqueue_head+0x110/0x110 [ 93.969159][ T8499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.975386][ T8499] ? _copy_from_user+0x147/0x1a0 [ 93.975458][ T8501] FAULT_INJECTION: forcing a failure. [ 93.975458][ T8501] name failslab, interval 1, probability 0, space 0, times 0 [ 93.980323][ T8499] tty_write+0x4df/0x850 [ 93.997078][ T8499] ? n_tty_receive_char_lnext+0x710/0x710 [ 94.002776][ T8499] do_iter_write+0x4af/0x690 [ 94.007345][ T8499] vfs_writev+0x1c5/0x310 [ 94.011652][ T8499] ? vfs_iter_write+0xb0/0xb0 [ 94.016316][ T8499] ? lock_downgrade+0x920/0x920 [ 94.021161][ T8499] ? __kasan_check_read+0x11/0x20 [ 94.026170][ T8499] ? __fget_files+0x28f/0x410 [ 94.030823][ T8499] ? __fget_light+0xf1/0x270 [ 94.035389][ T8499] do_writev+0x161/0x340 [ 94.039605][ T8499] ? vfs_writev+0x310/0x310 [ 94.044086][ T8499] __x64_sys_writev+0x75/0xb0 [ 94.048750][ T8499] ? syscall_enter_from_user_mode+0x21/0x70 [ 94.054614][ T8499] do_syscall_64+0x32/0x80 [ 94.059004][ T8499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.064864][ T8499] RIP: 0033:0x45b419 [ 94.068744][ T8499] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.088318][ T8499] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 94.096701][ T8499] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 94.104644][ T8499] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000004 [ 94.112588][ T8499] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 94.120532][ T8499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 94.128496][ T8499] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 94.136454][ T8501] CPU: 0 PID: 8501 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 94.144681][ T8501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.154721][ T8501] Call Trace: [ 94.155130][ T8507] FAULT_INJECTION: forcing a failure. [ 94.155130][ T8507] name failslab, interval 1, probability 0, space 0, times 0 [ 94.158012][ T8501] dump_stack+0x1ac/0x21e [ 94.158030][ T8501] should_fail.cold+0x5/0xf [ 94.179354][ T8501] __should_failslab+0xb7/0x100 [ 94.184182][ T8501] should_failslab+0x9/0x14 [ 94.188660][ T8501] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 94.194702][ T8501] __kmalloc+0x70/0x300 [ 94.198839][ T8501] ? tty_buffer_alloc+0x247/0x2b0 [ 94.203851][ T8501] tty_buffer_alloc+0x247/0x2b0 [ 94.208198][ T8509] FAULT_INJECTION: forcing a failure. [ 94.208198][ T8509] name failslab, interval 1, probability 0, space 0, times 0 [ 94.208686][ T8501] __tty_buffer_request_room+0x162/0x2d0 [ 94.208703][ T8501] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 94.233065][ T8501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.239281][ T8501] pty_write+0x133/0x200 [ 94.243499][ T8501] n_tty_write+0xb69/0x10e0 [ 94.247977][ T8501] ? __might_fault+0xfb/0x1e0 [ 94.252631][ T8501] ? lock_downgrade+0x920/0x920 [ 94.257459][ T8501] ? n_tty_receive_char_lnext+0x710/0x710 [ 94.263152][ T8501] ? __init_waitqueue_head+0x110/0x110 [ 94.268587][ T8501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.274817][ T8501] ? _copy_from_user+0x147/0x1a0 [ 94.279732][ T8501] tty_write+0x4df/0x850 [ 94.283952][ T8501] ? n_tty_receive_char_lnext+0x710/0x710 [ 94.289646][ T8501] do_iter_write+0x4af/0x690 [ 94.294211][ T8501] vfs_writev+0x1c5/0x310 [ 94.298516][ T8501] ? vfs_iter_write+0xb0/0xb0 [ 94.303185][ T8501] ? lock_downgrade+0x920/0x920 [ 94.308008][ T8501] ? __kasan_check_read+0x11/0x20 [ 94.313027][ T8501] ? __fget_files+0x28f/0x410 [ 94.317698][ T8501] ? __fget_light+0xf1/0x270 [ 94.322263][ T8501] do_writev+0x161/0x340 [ 94.326482][ T8501] ? vfs_writev+0x310/0x310 [ 94.330964][ T8501] __x64_sys_writev+0x75/0xb0 [ 94.335615][ T8501] ? syscall_enter_from_user_mode+0x21/0x70 [ 94.341493][ T8501] do_syscall_64+0x32/0x80 [ 94.345886][ T8501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.351751][ T8501] RIP: 0033:0x45b419 [ 94.355619][ T8501] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.375212][ T8501] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 94.383594][ T8501] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 94.391540][ T8501] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 94.399484][ T8501] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 94.407427][ T8501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 94.415371][ T8501] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 94.423333][ T8507] CPU: 1 PID: 8507 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 94.431555][ T8507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.441589][ T8507] Call Trace: [ 94.444868][ T8507] dump_stack+0x1ac/0x21e [ 94.449191][ T8507] should_fail.cold+0x5/0xf [ 94.453714][ T8507] __should_failslab+0xb7/0x100 [ 94.458560][ T8507] should_failslab+0x9/0x14 [ 94.463052][ T8507] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 94.469210][ T8507] __kmalloc+0x70/0x300 [ 94.473353][ T8507] ? tty_write+0x664/0x850 [ 94.477758][ T8507] ? mutex_trylock+0x252/0x2d0 [ 94.482512][ T8507] tty_write+0x664/0x850 [ 94.486747][ T8507] ? n_tty_receive_char_lnext+0x710/0x710 [ 94.492456][ T8507] do_iter_write+0x4af/0x690 [ 94.497051][ T8507] vfs_writev+0x1c5/0x310 [ 94.501368][ T8507] ? vfs_iter_write+0xb0/0xb0 [ 94.506030][ T8507] ? lock_downgrade+0x920/0x920 [ 94.510863][ T8507] ? __kasan_check_read+0x11/0x20 [ 94.515876][ T8507] ? __fget_files+0x28f/0x410 [ 94.520539][ T8507] ? __fget_light+0xf1/0x270 [ 94.525116][ T8507] do_writev+0x161/0x340 [ 94.529342][ T8507] ? vfs_writev+0x310/0x310 [ 94.533836][ T8507] __x64_sys_writev+0x75/0xb0 [ 94.538504][ T8507] ? syscall_enter_from_user_mode+0x21/0x70 [ 94.544380][ T8507] do_syscall_64+0x32/0x80 [ 94.548788][ T8507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.554667][ T8507] RIP: 0033:0x45b419 [ 94.558548][ T8507] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.578223][ T8507] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 94.586619][ T8507] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 94.594578][ T8507] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 94.602534][ T8507] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 94.610493][ T8507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 94.618452][ T8507] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 94.642270][ T8509] CPU: 1 PID: 8509 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 94.650501][ T8509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.660535][ T8509] Call Trace: [ 94.663814][ T8509] dump_stack+0x1ac/0x21e [ 94.668136][ T8509] should_fail.cold+0x5/0xf [ 94.672629][ T8509] __should_failslab+0xb7/0x100 [ 94.677467][ T8509] should_failslab+0x9/0x14 [ 94.681962][ T8509] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 94.688104][ T8509] __kmalloc+0x70/0x300 [ 94.692263][ T8509] ? tty_write+0x664/0x850 [ 94.696670][ T8509] ? mutex_trylock+0x252/0x2d0 [ 94.701430][ T8509] tty_write+0x664/0x850 [ 94.705673][ T8509] ? n_tty_receive_char_lnext+0x710/0x710 [ 94.711383][ T8509] do_iter_write+0x4af/0x690 [ 94.715965][ T8509] vfs_writev+0x1c5/0x310 [ 94.720392][ T8509] ? vfs_iter_write+0xb0/0xb0 [ 94.725058][ T8509] ? lock_downgrade+0x920/0x920 [ 94.729923][ T8509] ? __kasan_check_read+0x11/0x20 [ 94.734962][ T8509] ? __fget_files+0x28f/0x410 [ 94.739632][ T8509] ? __fget_light+0xf1/0x270 [ 94.744212][ T8509] do_writev+0x161/0x340 [ 94.745552][ T8519] FAULT_INJECTION: forcing a failure. [ 94.745552][ T8519] name failslab, interval 1, probability 0, space 0, times 0 [ 94.748441][ T8509] ? vfs_writev+0x310/0x310 [ 94.765476][ T8509] __x64_sys_writev+0x75/0xb0 [ 94.770132][ T8509] ? syscall_enter_from_user_mode+0x21/0x70 [ 94.775998][ T8509] do_syscall_64+0x32/0x80 [ 94.780406][ T8509] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.786292][ T8509] RIP: 0033:0x45b419 [ 94.790166][ T8509] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.809750][ T8509] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 94.818141][ T8509] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 94.826107][ T8509] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 94.834062][ T8509] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 94.842015][ T8509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 94.850067][ T8509] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 94.858045][ T8519] CPU: 0 PID: 8519 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 94.866267][ T8519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.876313][ T8519] Call Trace: [ 94.879599][ T8519] dump_stack+0x1ac/0x21e [ 94.883929][ T8519] should_fail.cold+0x5/0xf [ 94.888427][ T8519] __should_failslab+0xb7/0x100 [ 94.893270][ T8519] should_failslab+0x9/0x14 [ 94.897762][ T8519] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 94.903843][ T8519] __kmalloc+0x70/0x300 [ 94.906911][ T8518] FAULT_INJECTION: forcing a failure. [ 94.906911][ T8518] name failslab, interval 1, probability 0, space 0, times 0 [ 94.907988][ T8519] ? tty_buffer_alloc+0x247/0x2b0 [ 94.925574][ T8519] tty_buffer_alloc+0x247/0x2b0 [ 94.930411][ T8519] __tty_buffer_request_room+0x162/0x2d0 [ 94.935628][ T8521] FAULT_INJECTION: forcing a failure. [ 94.935628][ T8521] name failslab, interval 1, probability 0, space 0, times 0 [ 94.936057][ T8519] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 94.954839][ T8519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.961055][ T8519] pty_write+0x133/0x200 [ 94.965290][ T8519] n_tty_write+0xb69/0x10e0 [ 94.969774][ T8519] ? __might_fault+0xfb/0x1e0 [ 94.974435][ T8519] ? lock_downgrade+0x920/0x920 [ 94.979268][ T8519] ? n_tty_receive_char_lnext+0x710/0x710 [ 94.984966][ T8519] ? __init_waitqueue_head+0x110/0x110 [ 94.990404][ T8519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.996622][ T8519] ? _copy_from_user+0x147/0x1a0 [ 95.001537][ T8519] tty_write+0x4df/0x850 [ 95.005757][ T8519] ? n_tty_receive_char_lnext+0x710/0x710 [ 95.011481][ T8519] do_iter_write+0x4af/0x690 [ 95.016061][ T8519] vfs_writev+0x1c5/0x310 [ 95.022199][ T8519] ? vfs_iter_write+0xb0/0xb0 [ 95.026857][ T8519] ? lock_downgrade+0x920/0x920 [ 95.031686][ T8519] ? __kasan_check_read+0x11/0x20 [ 95.036689][ T8519] ? __fget_files+0x28f/0x410 [ 95.041348][ T8519] ? __fget_light+0xf1/0x270 [ 95.045914][ T8519] do_writev+0x161/0x340 [ 95.050146][ T8519] ? vfs_writev+0x310/0x310 [ 95.054629][ T8519] __x64_sys_writev+0x75/0xb0 [ 95.059290][ T8519] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.065160][ T8519] do_syscall_64+0x32/0x80 [ 95.069552][ T8519] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.075430][ T8519] RIP: 0033:0x45b419 [ 95.079303][ T8519] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.098900][ T8519] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 95.107284][ T8519] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 95.115230][ T8519] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 95.123176][ T8519] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 95.131122][ T8519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 95.139070][ T8519] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 95.147054][ T8518] CPU: 1 PID: 8518 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 95.155282][ T8518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.165321][ T8518] Call Trace: [ 95.168599][ T8518] dump_stack+0x1ac/0x21e [ 95.172923][ T8518] should_fail.cold+0x5/0xf [ 95.177421][ T8518] __should_failslab+0xb7/0x100 [ 95.182263][ T8518] should_failslab+0x9/0x14 [ 95.186758][ T8518] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 95.192901][ T8518] __kmalloc+0x70/0x300 [ 95.197045][ T8518] ? tty_write+0x664/0x850 [ 95.201448][ T8518] ? mutex_trylock+0x252/0x2d0 [ 95.206203][ T8518] tty_write+0x664/0x850 [ 95.210438][ T8518] ? n_tty_receive_char_lnext+0x710/0x710 [ 95.216150][ T8518] do_iter_write+0x4af/0x690 [ 95.220733][ T8518] vfs_writev+0x1c5/0x310 [ 95.225049][ T8518] ? vfs_iter_write+0xb0/0xb0 [ 95.229722][ T8518] ? lock_downgrade+0x920/0x920 [ 95.234561][ T8518] ? __kasan_check_read+0x11/0x20 [ 95.239578][ T8518] ? __fget_files+0x28f/0x410 [ 95.244241][ T8518] ? __fget_light+0xf1/0x270 [ 95.248819][ T8518] do_writev+0x161/0x340 [ 95.253051][ T8518] ? vfs_writev+0x310/0x310 [ 95.257547][ T8518] __x64_sys_writev+0x75/0xb0 [ 95.262216][ T8518] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.268093][ T8518] do_syscall_64+0x32/0x80 [ 95.272504][ T8518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.278380][ T8518] RIP: 0033:0x45b419 [ 95.282265][ T8518] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.301866][ T8518] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 95.310262][ T8518] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 95.318220][ T8518] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 95.326175][ T8518] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 95.334130][ T8518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 95.342082][ T8518] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 95.350043][ T8521] CPU: 0 PID: 8521 Comm: syz-executor.5 Not tainted 5.9.0-syzkaller #0 [ 95.358288][ T8521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.368378][ T8521] Call Trace: [ 95.371657][ T8521] dump_stack+0x1ac/0x21e [ 95.375998][ T8521] should_fail.cold+0x5/0xf [ 95.380492][ T8521] __should_failslab+0xb7/0x100 [ 95.384602][ T8528] FAULT_INJECTION: forcing a failure. [ 95.384602][ T8528] name failslab, interval 1, probability 0, space 0, times 0 [ 95.385332][ T8521] should_failslab+0x9/0x14 [ 95.402363][ T8521] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 95.408490][ T8521] __kmalloc+0x70/0x300 [ 95.412621][ T8521] ? tty_write+0x664/0x850 [ 95.417011][ T8521] ? mutex_trylock+0x252/0x2d0 [ 95.421763][ T8521] tty_write+0x664/0x850 [ 95.426019][ T8521] ? n_tty_receive_char_lnext+0x710/0x710 [ 95.431719][ T8521] do_iter_write+0x4af/0x690 [ 95.431819][ T8530] FAULT_INJECTION: forcing a failure. [ 95.431819][ T8530] name failslab, interval 1, probability 0, space 0, times 0 [ 95.436291][ T8521] vfs_writev+0x1c5/0x310 [ 95.436301][ T8521] ? vfs_iter_write+0xb0/0xb0 [ 95.436319][ T8521] ? lock_downgrade+0x920/0x920 [ 95.450744][ T8531] FAULT_INJECTION: forcing a failure. [ 95.450744][ T8531] name failslab, interval 1, probability 0, space 0, times 0 [ 95.453188][ T8521] ? __kasan_check_read+0x11/0x20 [ 95.453202][ T8521] ? __fget_files+0x28f/0x410 [ 95.453219][ T8521] ? __fget_light+0xf1/0x270 [ 95.489417][ T8521] do_writev+0x161/0x340 [ 95.493633][ T8521] ? vfs_writev+0x310/0x310 [ 95.498118][ T8521] __x64_sys_writev+0x75/0xb0 [ 95.502777][ T8521] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.508644][ T8521] do_syscall_64+0x32/0x80 [ 95.513055][ T8521] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.518922][ T8521] RIP: 0033:0x45b419 [ 95.522807][ T8521] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.542402][ T8521] RSP: 002b:00007ffa0680ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 95.550793][ T8521] RAX: ffffffffffffffda RBX: 00007ffa0680b6d4 RCX: 000000000045b419 [ 95.558744][ T8521] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 95.566694][ T8521] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 95.574652][ T8521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 95.582602][ T8521] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 95.590579][ T8531] CPU: 1 PID: 8531 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 95.598813][ T8531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.608856][ T8531] Call Trace: [ 95.612141][ T8531] dump_stack+0x1ac/0x21e [ 95.616479][ T8531] should_fail.cold+0x5/0xf [ 95.620985][ T8531] __should_failslab+0xb7/0x100 [ 95.625856][ T8531] should_failslab+0x9/0x14 [ 95.630347][ T8531] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 95.636490][ T8531] __kmalloc+0x70/0x300 [ 95.640637][ T8531] ? tty_write+0x664/0x850 [ 95.645083][ T8531] ? mutex_trylock+0x252/0x2d0 [ 95.649857][ T8531] tty_write+0x664/0x850 [ 95.654093][ T8531] ? n_tty_receive_char_lnext+0x710/0x710 [ 95.659802][ T8531] do_iter_write+0x4af/0x690 [ 95.664387][ T8531] vfs_writev+0x1c5/0x310 [ 95.668705][ T8531] ? vfs_iter_write+0xb0/0xb0 [ 95.673371][ T8531] ? lock_downgrade+0x920/0x920 [ 95.678210][ T8531] ? __kasan_check_read+0x11/0x20 [ 95.683226][ T8531] ? __fget_files+0x28f/0x410 [ 95.687900][ T8531] ? __fget_light+0xf1/0x270 [ 95.692497][ T8531] do_writev+0x161/0x340 [ 95.696743][ T8531] ? vfs_writev+0x310/0x310 [ 95.701241][ T8531] __x64_sys_writev+0x75/0xb0 [ 95.705922][ T8531] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.711807][ T8531] do_syscall_64+0x32/0x80 [ 95.716217][ T8531] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.722095][ T8531] RIP: 0033:0x45b419 [ 95.725980][ T8531] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.745569][ T8531] RSP: 002b:00007fde1c4d3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 95.753967][ T8531] RAX: ffffffffffffffda RBX: 00007fde1c4d46d4 RCX: 000000000045b419 [ 95.761927][ T8531] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 [ 95.769883][ T8531] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 95.777841][ T8531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 95.785803][ T8531] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 95.786116][ T8536] FAULT_INJECTION: forcing a failure. [ 95.786116][ T8536] name failslab, interval 1, probability 0, space 0, times 0 [ 95.806406][ T8528] CPU: 1 PID: 8528 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 95.814717][ T8528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.824740][ T8528] Call Trace: [ 95.828008][ T8528] dump_stack+0x1ac/0x21e [ 95.832312][ T8528] should_fail.cold+0x5/0xf [ 95.836810][ T8528] __should_failslab+0xb7/0x100 [ 95.841650][ T8528] should_failslab+0x9/0x14 [ 95.846128][ T8528] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 95.852253][ T8528] __kmalloc+0x70/0x300 [ 95.856381][ T8528] ? tty_write+0x664/0x850 [ 95.860777][ T8528] ? mutex_trylock+0x252/0x2d0 [ 95.865513][ T8528] tty_write+0x664/0x850 [ 95.869733][ T8528] ? n_tty_receive_char_lnext+0x710/0x710 [ 95.875429][ T8528] do_iter_write+0x4af/0x690 [ 95.879998][ T8528] vfs_writev+0x1c5/0x310 [ 95.884300][ T8528] ? vfs_iter_write+0xb0/0xb0 [ 95.888952][ T8528] ? lock_downgrade+0x920/0x920 [ 95.893775][ T8528] ? __kasan_check_read+0x11/0x20 [ 95.898785][ T8528] ? __fget_files+0x28f/0x410 [ 95.903444][ T8528] ? __fget_light+0xf1/0x270 [ 95.908012][ T8528] do_writev+0x161/0x340 [ 95.912249][ T8528] ? vfs_writev+0x310/0x310 [ 95.916749][ T8528] __x64_sys_writev+0x75/0xb0 [ 95.921422][ T8528] ? syscall_enter_from_user_mode+0x21/0x70 [ 95.927292][ T8528] do_syscall_64+0x32/0x80 [ 95.931685][ T8528] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.937552][ T8528] RIP: 0033:0x45b419 [ 95.941440][ T8528] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.961018][ T8528] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 95.969406][ T8528] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 95.977353][ T8528] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 95.985295][ T8528] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 95.993241][ T8528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 96.001185][ T8528] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 96.009141][ T8536] CPU: 0 PID: 8536 Comm: syz-executor.1 Not tainted 5.9.0-syzkaller #0 [ 96.017361][ T8536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.027395][ T8536] Call Trace: [ 96.030667][ T8536] dump_stack+0x1ac/0x21e [ 96.034998][ T8536] should_fail.cold+0x5/0xf [ 96.039498][ T8536] __should_failslab+0xb7/0x100 [ 96.044322][ T8536] should_failslab+0x9/0x14 [ 96.048801][ T8536] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 96.054845][ T8536] __kmalloc+0x70/0x300 [ 96.058976][ T8536] ? tty_buffer_alloc+0x247/0x2b0 [ 96.063972][ T8536] tty_buffer_alloc+0x247/0x2b0 [ 96.068822][ T8536] __tty_buffer_request_room+0x162/0x2d0 [ 96.074435][ T8536] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 96.080651][ T8536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.086868][ T8536] pty_write+0x133/0x200 [ 96.091084][ T8536] n_tty_write+0xb69/0x10e0 [ 96.095562][ T8536] ? __might_fault+0xfb/0x1e0 [ 96.100221][ T8536] ? lock_downgrade+0x920/0x920 [ 96.105049][ T8536] ? n_tty_receive_char_lnext+0x710/0x710 [ 96.110743][ T8536] ? __init_waitqueue_head+0x110/0x110 [ 96.116176][ T8536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.122391][ T8536] ? _copy_from_user+0x147/0x1a0 [ 96.127306][ T8536] tty_write+0x4df/0x850 [ 96.131535][ T8536] ? n_tty_receive_char_lnext+0x710/0x710 [ 96.137241][ T8536] do_iter_write+0x4af/0x690 [ 96.141809][ T8536] vfs_writev+0x1c5/0x310 [ 96.146128][ T8536] ? vfs_iter_write+0xb0/0xb0 [ 96.150796][ T8536] ? lock_downgrade+0x920/0x920 [ 96.155618][ T8536] ? __kasan_check_read+0x11/0x20 [ 96.160618][ T8536] ? __fget_files+0x28f/0x410 [ 96.165268][ T8536] ? __fget_light+0xf1/0x270 [ 96.169831][ T8536] do_writev+0x161/0x340 [ 96.174052][ T8536] ? vfs_writev+0x310/0x310 [ 96.178535][ T8536] __x64_sys_writev+0x75/0xb0 [ 96.183185][ T8536] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.189049][ T8536] do_syscall_64+0x32/0x80 [ 96.193438][ T8536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.199299][ T8536] RIP: 0033:0x45b419 [ 96.203167][ T8536] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.222741][ T8536] RSP: 002b:00007ff336f4fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 96.231136][ T8536] RAX: ffffffffffffffda RBX: 00007ff336f506d4 RCX: 000000000045b419 [ 96.239085][ T8536] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 96.247036][ T8536] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 96.255014][ T8536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 96.262974][ T8536] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 96.270929][ T8530] CPU: 1 PID: 8530 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0 [ 96.279157][ T8530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.289196][ T8530] Call Trace: [ 96.292469][ T8530] dump_stack+0x1ac/0x21e [ 96.296788][ T8530] should_fail.cold+0x5/0xf [ 96.301302][ T8530] __should_failslab+0xb7/0x100 [ 96.306141][ T8530] should_failslab+0x9/0x14 [ 96.310633][ T8530] slab_pre_alloc_hook.constprop.0+0x104/0x200 [ 96.310996][ T8537] FAULT_INJECTION: forcing a failure. [ 96.310996][ T8537] name failslab, interval 1, probability 0, space 0, times 0 [ 96.316768][ T8530] __kmalloc+0x70/0x300 [ 96.333430][ T8530] ? tty_write+0x664/0x850 [ 96.337842][ T8530] ? mutex_trylock+0x252/0x2d0 [ 96.342587][ T8530] tty_write+0x664/0x850 [ 96.346802][ T8530] ? n_tty_receive_char_lnext+0x710/0x710 [ 96.352495][ T8530] do_iter_write+0x4af/0x690 [ 96.357061][ T8530] vfs_writev+0x1c5/0x310 [ 96.361364][ T8530] ? vfs_iter_write+0xb0/0xb0 [ 96.366021][ T8530] ? lock_downgrade+0x920/0x920 [ 96.370844][ T8530] ? __kasan_check_read+0x11/0x20 [ 96.375846][ T8530] ? __fget_files+0x28f/0x410 [ 96.380514][ T8530] ? __fget_light+0xf1/0x270 [ 96.385092][ T8530] do_writev+0x161/0x340 [ 96.389306][ T8530] ? vfs_writev+0x310/0x310 [ 96.393785][ T8530] __x64_sys_writev+0x75/0xb0 [ 96.398435][ T8530] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.404299][ T8530] do_syscall_64+0x32/0x80 [ 96.408700][ T8530] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.414562][ T8530] RIP: 0033:0x45b419 [ 96.418436][ T8530] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.438009][ T8530] RSP: 002b:00007f80c1dc9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 96.446392][ T8530] RAX: ffffffffffffffda RBX: 00007f80c1dca6d4 RCX: 000000000045b419 [ 96.454356][ T8530] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000003 2020/10/11 22:57:25 executed programs: 79 [ 96.462313][ T8530] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 96.470337][ T8530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 96.478286][ T8530] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 96.486259][ T8537] CPU: 0 PID: 8537 Comm: syz-executor.2 Not tainted 5.9.0-syzkaller #0 [ 96.494484][ T8537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.501536][ T8540] FAULT_INJECTION: forcing a failure. [ 96.501536][ T8540] name failslab, interval 1, probability 0, space 0, times 0 [ 96.504523][ T8537] Call Trace: [ 96.520331][ T8537] dump_stack+0x1ac/0x21e [ 96.524634][ T8537] should_fail.cold+0x5/0xf [ 96.529114][ T8537] __should_failslab+0xb7/0x100 [ 96.533937][ T8537] should_failslab+0x9/0x14 [ 96.538414][ T8537] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 96.544453][ T8537] __kmalloc+0x70/0x300 [ 96.548721][ T8537] ? tty_buffer_alloc+0x247/0x2b0 [ 96.553721][ T8537] tty_buffer_alloc+0x247/0x2b0 [ 96.558546][ T8537] __tty_buffer_request_room+0x162/0x2d0 [ 96.564157][ T8537] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 96.570369][ T8537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.576599][ T8537] pty_write+0x133/0x200 [ 96.580821][ T8537] n_tty_write+0xb69/0x10e0 [ 96.585317][ T8537] ? __might_fault+0xfb/0x1e0 [ 96.589973][ T8537] ? lock_downgrade+0x920/0x920 [ 96.594809][ T8537] ? n_tty_receive_char_lnext+0x710/0x710 [ 96.600500][ T8537] ? __init_waitqueue_head+0x110/0x110 [ 96.605930][ T8537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.612142][ T8537] ? _copy_from_user+0x147/0x1a0 [ 96.617052][ T8537] tty_write+0x4df/0x850 [ 96.621270][ T8537] ? n_tty_receive_char_lnext+0x710/0x710 [ 96.626963][ T8537] do_iter_write+0x4af/0x690 [ 96.631528][ T8537] vfs_writev+0x1c5/0x310 [ 96.635833][ T8537] ? vfs_iter_write+0xb0/0xb0 [ 96.640484][ T8537] ? lock_downgrade+0x920/0x920 [ 96.645306][ T8537] ? __kasan_check_read+0x11/0x20 [ 96.650305][ T8537] ? __fget_files+0x28f/0x410 [ 96.654958][ T8537] ? __fget_light+0xf1/0x270 [ 96.659526][ T8537] do_writev+0x161/0x340 [ 96.663746][ T8537] ? vfs_writev+0x310/0x310 [ 96.668228][ T8537] __x64_sys_writev+0x75/0xb0 [ 96.672883][ T8537] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.678752][ T8537] do_syscall_64+0x32/0x80 [ 96.683146][ T8537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.689011][ T8537] RIP: 0033:0x45b419 [ 96.692884][ T8537] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.712465][ T8537] RSP: 002b:00007f33fc5c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 96.720852][ T8537] RAX: ffffffffffffffda RBX: 00007f33fc5c36d4 RCX: 000000000045b419 [ 96.728795][ T8537] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 96.736746][ T8537] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 96.744689][ T8537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 96.752632][ T8537] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 96.760591][ T8540] CPU: 1 PID: 8540 Comm: syz-executor.4 Not tainted 5.9.0-syzkaller #0 [ 96.768813][ T8540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.778844][ T8540] Call Trace: [ 96.782117][ T8540] dump_stack+0x1ac/0x21e [ 96.786523][ T8540] should_fail.cold+0x5/0xf [ 96.791015][ T8540] __should_failslab+0xb7/0x100 [ 96.795884][ T8540] should_failslab+0x9/0x14 [ 96.800376][ T8540] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 96.806433][ T8540] __kmalloc+0x70/0x300 [ 96.810577][ T8540] ? tty_buffer_alloc+0x247/0x2b0 [ 96.815589][ T8540] tty_buffer_alloc+0x247/0x2b0 [ 96.820428][ T8540] __tty_buffer_request_room+0x162/0x2d0 [ 96.826055][ T8540] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 96.832297][ T8540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.838527][ T8540] pty_write+0x133/0x200 [ 96.842757][ T8540] n_tty_write+0xb69/0x10e0 [ 96.847262][ T8540] ? __might_fault+0xfb/0x1e0 [ 96.852038][ T8540] ? lock_downgrade+0x920/0x920 [ 96.856880][ T8540] ? n_tty_receive_char_lnext+0x710/0x710 [ 96.862592][ T8540] ? __init_waitqueue_head+0x110/0x110 [ 96.868053][ T8540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.874281][ T8540] ? _copy_from_user+0x147/0x1a0 [ 96.879230][ T8540] tty_write+0x4df/0x850 [ 96.883462][ T8540] ? n_tty_receive_char_lnext+0x710/0x710 [ 96.889177][ T8540] do_iter_write+0x4af/0x690 [ 96.893760][ T8540] vfs_writev+0x1c5/0x310 [ 96.898076][ T8540] ? vfs_iter_write+0xb0/0xb0 [ 96.902739][ T8540] ? lock_downgrade+0x920/0x920 [ 96.907572][ T8540] ? __kasan_check_read+0x11/0x20 [ 96.912586][ T8540] ? __fget_files+0x28f/0x410 [ 96.917255][ T8540] ? __fget_light+0xf1/0x270 [ 96.921836][ T8540] do_writev+0x161/0x340 [ 96.926071][ T8540] ? vfs_writev+0x310/0x310 [ 96.930582][ T8540] __x64_sys_writev+0x75/0xb0 [ 96.935247][ T8540] ? syscall_enter_from_user_mode+0x21/0x70 [ 96.941136][ T8540] do_syscall_64+0x32/0x80 [ 96.945539][ T8540] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.951418][ T8540] RIP: 0033:0x45b419 [ 96.955302][ T8540] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.974889][ T8540] RSP: 002b:00007fde1c4f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 96.983287][ T8540] RAX: ffffffffffffffda RBX: 00007fde1c4f56d4 RCX: 000000000045b419 [ 96.991246][ T8540] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000005 [ 96.999205][ T8540] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 97.007189][ T8540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 97.015152][ T8540] R13: 0000000000000cda R14: 00000000004c9d20 R15: 0000000000000002 [ 97.043504][ T8541] FAULT_INJECTION: forcing a failure. [ 97.043504][ T8541] name failslab, interval 1, probability 0, space 0, times 0 [ 97.056083][ T8541] CPU: 1 PID: 8541 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 [ 97.064336][ T8541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.074374][ T8541] Call Trace: [ 97.077658][ T8541] dump_stack+0x1ac/0x21e [ 97.081984][ T8541] should_fail.cold+0x5/0xf [ 97.086483][ T8541] __should_failslab+0xb7/0x100 [ 97.091330][ T8541] should_failslab+0x9/0x14 [ 97.095823][ T8541] slab_pre_alloc_hook.constprop.0+0x46/0x200 [ 97.101876][ T8541] __kmalloc+0x70/0x300 [ 97.106017][ T8541] ? tty_buffer_alloc+0x247/0x2b0 [ 97.111029][ T8541] tty_buffer_alloc+0x247/0x2b0 [ 97.115874][ T8541] __tty_buffer_request_room+0x162/0x2d0 [ 97.121497][ T8541] tty_insert_flip_string_fixed_flag+0x93/0x240 [ 97.127723][ T8541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.133951][ T8541] pty_write+0x133/0x200 [ 97.138184][ T8541] n_tty_write+0xb69/0x10e0 [ 97.142674][ T8541] ? __might_fault+0xfb/0x1e0 [ 97.147344][ T8541] ? lock_downgrade+0x920/0x920 [ 97.152189][ T8541] ? n_tty_receive_char_lnext+0x710/0x710 [ 97.157914][ T8541] ? __init_waitqueue_head+0x110/0x110 [ 97.163364][ T8541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 97.169591][ T8541] ? _copy_from_user+0x147/0x1a0 [ 97.174516][ T8541] tty_write+0x4df/0x850 [ 97.178749][ T8541] ? n_tty_receive_char_lnext+0x710/0x710 [ 97.184458][ T8541] do_iter_write+0x4af/0x690 [ 97.189039][ T8541] vfs_writev+0x1c5/0x310 [ 97.193355][ T8541] ? vfs_iter_write+0xb0/0xb0 [ 97.198016][ T8541] ? lock_downgrade+0x920/0x920 [ 97.202864][ T8541] ? __kasan_check_read+0x11/0x20 [ 97.207897][ T8541] ? __fget_files+0x28f/0x410 [ 97.212562][ T8541] ? __fget_light+0xf1/0x270 [ 97.217155][ T8541] do_writev+0x161/0x340 [ 97.221388][ T8541] ? vfs_writev+0x310/0x310 [ 97.225887][ T8541] __x64_sys_writev+0x75/0xb0 [ 97.230557][ T8541] ? syscall_enter_from_user_mode+0x21/0x70 [ 97.233269][ T8552] FAULT_INJECTION: forcing a failure. [ 97.233269][ T8552] name failslab, interval 1, probability 0, space 0, times 0 [ 97.236438][ T8541] do_syscall_64+0x32/0x80 [ 97.253367][ T8541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 97.259232][ T8541] RIP: 0033:0x45b419 [ 97.263104][ T8541] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.282683][ T8541] RSP: 002b:00007f1b266e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 97.291084][ T8541] RAX: ffffffffffffffda RBX: 00007f1b266e16d4 RCX: 000000000045b419 [ 97.299030][ T8541] RDX: 1000000000000252 RSI: 00000000200023c0 RDI: 0000000000000004 [ 97.306979][ T8541] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000