Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 43.511512][ T29] audit: type=1400 audit(1615606566.458:8): avc: denied { execmem } for pid=5979 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 43.549697][ T5980] IPVS: ftp: loaded support on port[0] = 21 [ 44.224720][ T5976] can: request_module (can-proto-0) failed. [ 45.576734][ T5976] can: request_module (can-proto-0) failed. [ 45.590714][ T5976] can: request_module (can-proto-0) failed. [ 45.642216][ T29] audit: type=1400 audit(1615606568.589:9): avc: denied { create } for pid=5969 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts. 2021/03/13 03:36:15 parsed 1 programs 2021/03/13 03:36:15 executed programs: 0 [ 52.963354][ T29] audit: type=1400 audit(1615606575.911:10): avc: denied { execmem } for pid=6069 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 54.362639][ T6073] IPVS: ftp: loaded support on port[0] = 21 [ 54.362803][ T6074] IPVS: ftp: loaded support on port[0] = 21 [ 54.383841][ T6081] IPVS: ftp: loaded support on port[0] = 21 [ 54.400272][ T6078] IPVS: ftp: loaded support on port[0] = 21 [ 54.412967][ T6080] IPVS: ftp: loaded support on port[0] = 21 [ 54.537300][ T6077] IPVS: ftp: loaded support on port[0] = 21 [ 54.955640][ T6081] chnl_net:caif_netlink_parms(): no params data found [ 55.048213][ T6080] chnl_net:caif_netlink_parms(): no params data found [ 55.064165][ T6073] chnl_net:caif_netlink_parms(): no params data found [ 55.141701][ T6078] chnl_net:caif_netlink_parms(): no params data found [ 55.160863][ T6077] chnl_net:caif_netlink_parms(): no params data found [ 55.228661][ T6074] chnl_net:caif_netlink_parms(): no params data found [ 55.349931][ T6081] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.358885][ T6081] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.369249][ T6081] device bridge_slave_0 entered promiscuous mode [ 55.380840][ T6073] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.389816][ T6073] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.399368][ T6073] device bridge_slave_0 entered promiscuous mode [ 55.425426][ T6081] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.433651][ T6081] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.442711][ T6081] device bridge_slave_1 entered promiscuous mode [ 55.452432][ T6073] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.462422][ T6073] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.472885][ T6073] device bridge_slave_1 entered promiscuous mode [ 55.486501][ T6080] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.495974][ T6080] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.505019][ T6080] device bridge_slave_0 entered promiscuous mode [ 55.517381][ T6080] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.526018][ T6080] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.534450][ T6080] device bridge_slave_1 entered promiscuous mode [ 55.589396][ T6078] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.597768][ T6078] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.608367][ T6078] device bridge_slave_0 entered promiscuous mode [ 55.636261][ T6077] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.648142][ T6077] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.657327][ T6077] device bridge_slave_0 entered promiscuous mode [ 55.672514][ T6078] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.681818][ T6078] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.692074][ T6078] device bridge_slave_1 entered promiscuous mode [ 55.704046][ T6081] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.716828][ T6073] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.734459][ T6077] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.743437][ T6077] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.753464][ T6077] device bridge_slave_1 entered promiscuous mode [ 55.762968][ T6080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.780039][ T6081] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.792444][ T6073] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.821156][ T6080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.854277][ T6077] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.865011][ T6074] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.877639][ T6074] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.891771][ T6074] device bridge_slave_0 entered promiscuous mode [ 55.908010][ T6074] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.922666][ T6074] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.937213][ T6074] device bridge_slave_1 entered promiscuous mode [ 55.949284][ T6078] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.975192][ T6077] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.012553][ T6080] team0: Port device team_slave_0 added [ 56.026511][ T6078] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.044978][ T6081] team0: Port device team_slave_0 added [ 56.054862][ T6073] team0: Port device team_slave_0 added [ 56.077641][ T6080] team0: Port device team_slave_1 added [ 56.086644][ T6081] team0: Port device team_slave_1 added [ 56.102647][ T6074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.115980][ T6073] team0: Port device team_slave_1 added [ 56.159631][ T6074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.187601][ T6077] team0: Port device team_slave_0 added [ 56.205600][ T3300] Bluetooth: hci2: command 0x0409 tx timeout [ 56.214274][ T26] Bluetooth: hci4: command 0x0409 tx timeout [ 56.219470][ T3300] Bluetooth: hci5: command 0x0409 tx timeout [ 56.229292][ T6081] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.239462][ T3300] Bluetooth: hci3: command 0x0409 tx timeout [ 56.241945][ T6081] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.288593][ T6081] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.294139][ T3300] Bluetooth: hci0: command 0x0409 tx timeout [ 56.310197][ T6078] team0: Port device team_slave_0 added [ 56.323327][ T3300] Bluetooth: hci1: command 0x0409 tx timeout [ 56.331752][ T6073] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.342569][ T6073] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.383781][ T6073] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.399076][ T6077] team0: Port device team_slave_1 added [ 56.406733][ T6080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.415888][ T6080] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.457451][ T6080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.474168][ T6081] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.485817][ T6081] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.518985][ T6081] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.533634][ T6078] team0: Port device team_slave_1 added [ 56.550668][ T6073] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.561335][ T6073] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.591934][ T6073] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.613202][ T6080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.622331][ T6080] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.651626][ T6080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.722868][ T6080] device hsr_slave_0 entered promiscuous mode [ 56.764296][ T6080] device hsr_slave_1 entered promiscuous mode [ 56.822941][ T6074] team0: Port device team_slave_0 added [ 56.832177][ T6074] team0: Port device team_slave_1 added [ 56.868181][ T6078] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.878535][ T6078] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.911883][ T6078] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.935178][ T6077] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.944589][ T6077] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.979942][ T6077] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.006718][ T6078] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.015703][ T6078] 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. [ 57.050868][ T6078] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.081329][ T6077] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.089518][ T6077] 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. [ 57.124854][ T6077] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.205840][ T6081] device hsr_slave_0 entered promiscuous mode [ 57.253965][ T6081] device hsr_slave_1 entered promiscuous mode [ 57.294878][ T6081] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.306945][ T6081] Cannot create hsr debugfs directory [ 57.321922][ T6074] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.332382][ T6074] 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. [ 57.367984][ T6074] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.421326][ T6073] device hsr_slave_0 entered promiscuous mode [ 57.464474][ T6073] device hsr_slave_1 entered promiscuous mode [ 57.504102][ T6073] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.513168][ T6073] Cannot create hsr debugfs directory [ 57.585952][ T6078] device hsr_slave_0 entered promiscuous mode [ 57.634329][ T6078] device hsr_slave_1 entered promiscuous mode [ 57.684094][ T6078] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.692827][ T6078] Cannot create hsr debugfs directory [ 57.704920][ T6074] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.713023][ T6074] 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. [ 57.747731][ T6074] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.827609][ T6077] device hsr_slave_0 entered promiscuous mode [ 57.874603][ T6077] device hsr_slave_1 entered promiscuous mode [ 57.913759][ T6077] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.922158][ T6077] Cannot create hsr debugfs directory [ 58.058924][ T6074] device hsr_slave_0 entered promiscuous mode [ 58.104513][ T6074] device hsr_slave_1 entered promiscuous mode [ 58.143814][ T6074] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.152732][ T6074] Cannot create hsr debugfs directory [ 58.283718][ T3300] Bluetooth: hci3: command 0x041b tx timeout [ 58.315062][ T3300] Bluetooth: hci5: command 0x041b tx timeout [ 58.346064][ T3300] Bluetooth: hci4: command 0x041b tx timeout [ 58.357445][ T3300] Bluetooth: hci2: command 0x041b tx timeout [ 58.369020][ T3300] Bluetooth: hci1: command 0x041b tx timeout [ 58.378053][ T3300] Bluetooth: hci0: command 0x041b tx timeout [ 58.539189][ T6080] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.597868][ T6080] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.673102][ T6080] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.716818][ T6080] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.832344][ T6073] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.893801][ T6073] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.936256][ T6073] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.013518][ T6073] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.076815][ T6081] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.156385][ T6081] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.206038][ T6081] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.281875][ T6081] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.382758][ T6080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.415889][ T6077] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.476045][ T6077] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.536145][ T6077] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.585619][ T6077] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.642649][ T6080] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.667062][ T2454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.678157][ T2454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.710224][ T6073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.720871][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.732066][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.747872][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.756371][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.790407][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.802958][ T6078] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.846735][ T6078] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.906220][ T6078] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.955256][ T6078] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.044310][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.056004][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.066233][ T7322] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.073727][ T7322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.119358][ T6073] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.138507][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.147898][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.159141][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.169054][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.198595][ T6081] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.230724][ T6074] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.257597][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.267673][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.278424][ T7322] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.286948][ T7322] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.296427][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.306888][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.316396][ T7322] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.323995][ T7322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.332184][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.343845][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.353758][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.363880][ T7366] Bluetooth: hci4: command 0x040f tx timeout [ 60.365622][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.375620][ T7366] Bluetooth: hci5: command 0x040f tx timeout [ 60.380308][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.396649][ T7366] Bluetooth: hci3: command 0x040f tx timeout [ 60.419271][ T6074] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.443736][ T7365] Bluetooth: hci0: command 0x040f tx timeout [ 60.450485][ T7365] Bluetooth: hci1: command 0x040f tx timeout [ 60.458107][ T7365] Bluetooth: hci2: command 0x040f tx timeout [ 60.470720][ T6074] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.538029][ T6074] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.594922][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.603919][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.612359][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.621853][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.632928][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.645263][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.655686][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.665477][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.694412][ T6077] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.705158][ T6081] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.716995][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.726803][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.739378][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.751469][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.761850][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.788478][ T6080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.819942][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.830828][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.840642][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.851709][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.861962][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.871163][ T7381] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.878943][ T7381] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.887606][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.897479][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.907302][ T7381] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.915208][ T7381] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.925832][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.935665][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.961618][ T6077] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.989046][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.998658][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.008595][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.019019][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.029672][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.040797][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.064099][ T6073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.078642][ T6080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.104538][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.114266][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.126393][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.144733][ T7356] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.152930][ T7356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.161510][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.172483][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.181464][ T7356] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.189452][ T7356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.198128][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.209003][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.220991][ T6078] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.255323][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.263663][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.271821][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.291218][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.301556][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.312528][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.324880][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.333489][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.342031][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.352190][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.372870][ T6078] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.386342][ T6081] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.399135][ T6081] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.418846][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.428795][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.439246][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.449578][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.460896][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.472465][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.482545][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.492094][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.515469][ T6073] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.544935][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.554328][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.564399][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.573706][ T2621] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.581915][ T2621] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.591007][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.600372][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.609710][ T2621] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.617090][ T2621] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.626966][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.636361][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.645803][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.655825][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.665057][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.677036][ T6077] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.708891][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.717617][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.728622][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.738740][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.749590][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.758227][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.766888][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.777755][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.788470][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.821696][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.830517][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.847289][ T6077] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.879809][ T6080] device veth0_vlan entered promiscuous mode [ 61.916796][ T6081] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.926805][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.936051][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.946119][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.956430][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.966929][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.977097][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.987260][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.997449][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.007215][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.016921][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.028027][ T6078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.042452][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.053866][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.069561][ T6074] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.102660][ T6080] device veth1_vlan entered promiscuous mode [ 62.142440][ T6073] device veth0_vlan entered promiscuous mode [ 62.168385][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.179081][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.195285][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.205913][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.217140][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.228372][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.241604][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.252588][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.273511][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.286281][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.305059][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.315221][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.333547][ T6073] device veth1_vlan entered promiscuous mode [ 62.348083][ T6077] device veth0_vlan entered promiscuous mode [ 62.361680][ T6078] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.379101][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.388877][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.402345][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.415885][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.426543][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.440510][ T6074] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.444093][ T7365] Bluetooth: hci3: command 0x0419 tx timeout [ 62.459358][ T6077] device veth1_vlan entered promiscuous mode [ 62.469090][ T7365] Bluetooth: hci5: command 0x0419 tx timeout [ 62.483159][ T6080] device veth0_macvtap entered promiscuous mode [ 62.496031][ T6081] device veth0_vlan entered promiscuous mode [ 62.503683][ T7365] Bluetooth: hci4: command 0x0419 tx timeout [ 62.511401][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.520819][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.531009][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.540846][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.550000][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.560303][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.570764][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.581077][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.590864][ T7365] Bluetooth: hci2: command 0x0419 tx timeout [ 62.598399][ T7365] Bluetooth: hci1: command 0x0419 tx timeout [ 62.606383][ T7365] Bluetooth: hci0: command 0x0419 tx timeout [ 62.615789][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.626047][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.636145][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.645491][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.658035][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.669600][ T7365] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.680788][ T7365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.689978][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.699968][ T7365] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.709316][ T7365] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.717270][ T7365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.728310][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.739705][ T6080] device veth1_macvtap entered promiscuous mode [ 62.789204][ T6081] device veth1_vlan entered promiscuous mode [ 62.797993][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.809146][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.819379][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.829649][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.840186][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.860033][ T6077] device veth0_macvtap entered promiscuous mode [ 62.873396][ T6073] device veth0_macvtap entered promiscuous mode [ 62.888845][ T6080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.904025][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.912307][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.922024][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.933198][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.943590][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.954919][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.968126][ T6077] device veth1_macvtap entered promiscuous mode [ 62.988713][ T6080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.006035][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.018397][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.029729][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.046731][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.056856][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.070725][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.080155][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.095599][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.106447][ T7375] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.117080][ T6073] device veth1_macvtap entered promiscuous mode [ 63.140072][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.149419][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.160161][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.176383][ T6080] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.185939][ T6080] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.196496][ T6080] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.206176][ T6080] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.228816][ T6077] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 63.241638][ T6077] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.258717][ T6077] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.268766][ T6078] device veth0_vlan entered promiscuous mode [ 63.278083][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.287881][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.298290][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.308818][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.318121][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.328123][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.343153][ T6074] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.356035][ T6074] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.376577][ T6073] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 63.388847][ T6073] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.401899][ T6073] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 63.414311][ T6073] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.430945][ T6073] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.440432][ T7366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.449911][ T7366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.461460][ T7366] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.472063][ T7366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.489604][ T6077] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 63.503539][ T6077] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.517198][ T6077] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.540004][ T6081] device veth0_macvtap entered promiscuous mode [ 63.551833][ T6073] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 63.575075][ T6073] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.587733][ T6073] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 63.600135][ T6073] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 63.613946][ T6073] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.622137][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.632110][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.642051][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.653718][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.664196][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.674130][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.688564][ T6077] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.698923][ T6077] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.709634][ T6077] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.723260][ T6077] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.776966][ T6081] device veth1_macvtap entered promiscuous mode [ 63.792125][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.804130][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.856977][ T6073] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.866476][ T6073] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.877390][ T6073] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.889890][ T6073] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.968459][ T7366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.979621][ T7366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.989585][ T6078] device veth1_vlan entered promiscuous mode [ 64.106913][ T6074] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.116564][ T6081] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 64.130634][ T6081] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.143344][ T6081] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 64.157883][ T6081] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.170105][ T6081] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 64.181873][ T6081] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.198661][ T6081] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.311113][ T7391] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.321821][ T7391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.334229][ T6081] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 64.349306][ T6081] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.361082][ T6081] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 64.376475][ T6081] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.388252][ T6081] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 64.399766][ T6081] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.414703][ T6081] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.476102][ T7391] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.488802][ T7391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.503604][ T6081] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.518310][ T6081] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.543293][ T6081] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.554076][ T6081] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.627704][ T6078] device veth0_macvtap entered promiscuous mode [ 64.641351][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.651660][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.663952][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.731675][ T6078] device veth1_macvtap entered promiscuous mode [ 64.790228][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.799324][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.811528][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.926980][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 64.939835][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.951516][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 64.964965][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.979851][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 64.998821][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.011284][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 65.027157][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.044226][ T6078] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.068725][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.077781][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.100139][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.111475][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.121350][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.130380][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.153241][ T6074] device veth0_vlan entered promiscuous mode [ 65.165737][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.178159][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.191256][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.203471][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.215918][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.229833][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.242983][ T6078] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.255706][ T6078] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.267542][ T6078] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.285725][ T6078] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.296405][ T6078] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.315873][ T6078] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.329999][ T6078] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.347204][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.358274][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.371760][ T6074] device veth1_vlan entered promiscuous mode [ 65.493451][ T6074] device veth0_macvtap entered promiscuous mode [ 65.503234][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.513919][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.523776][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.534934][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.546334][ T7356] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.621805][ T6074] device veth1_macvtap entered promiscuous mode [ 65.648552][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 65.665880][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.678081][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 65.691974][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.704075][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 2021/03/13 03:36:28 executed programs: 6 [ 65.715909][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.727992][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 65.742943][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.754681][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 65.766623][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.781762][ T6074] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.800977][ T7413] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 65.816902][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.828531][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.838487][ T7381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.854563][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.868330][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.880229][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.895263][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.906041][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.919779][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.931241][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.943927][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.955603][ T6074] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 65.968718][ T6074] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 65.981226][ T6074] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.991583][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.002053][ T7322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.016512][ T6074] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.026800][ T6074] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.039881][ T6074] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.049953][ T6074] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.463605][ T7418] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 66.570686][ T7422] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 67.019667][ T7428] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 67.587952][ T7432] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 67.900942][ T7434] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 67.950184][ T7438] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 68.176921][ T7442] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 68.640107][ T7446] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 68.887517][ T7450] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 68.972758][ T7450] FAULT_INJECTION: forcing a failure. [ 68.972758][ T7450] name failslab, interval 1, probability 0, space 0, times 1 [ 68.986541][ T7450] CPU: 1 PID: 7450 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 68.996236][ T7450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.008274][ T7450] Call Trace: [ 69.012049][ T7450] dump_stack+0x10c/0x14b [ 69.016393][ T7450] should_fail.cold+0x5/0xa [ 69.021786][ T7450] should_failslab+0x5/0x10 [ 69.026699][ T7450] kmem_cache_alloc_node+0x61/0x520 [ 69.033004][ T7450] ? rt6_nlmsg_size+0x136/0x1d0 [ 69.041291][ T7450] __alloc_skb+0x153/0x280 [ 69.047814][ T7450] inet6_rt_notify+0xd1/0x270 [ 69.053854][ T7450] fib6_del+0xd17/0x1500 [ 69.058549][ T7450] ? fib6_locate+0xd0/0xd0 [ 69.064306][ T7450] ? lock_chain_count+0x20/0x20 [ 69.070194][ T7450] ? lock_release+0x424/0x7e0 [ 69.075225][ T7450] ? finish_task_switch.isra.0+0x14f/0x6f0 [ 69.081469][ T7450] fib6_clean_node+0x2fc/0x4a0 [ 69.086694][ T7450] ? find_held_lock+0x2d/0x110 [ 69.092780][ T7450] ? fib6_del+0x1500/0x1500 [ 69.098284][ T7450] fib6_walk_continue+0x3c2/0x780 [ 69.103792][ T7450] fib6_walk+0x168/0x330 [ 69.108813][ T7450] fib6_clean_tree+0xaa/0xe0 [ 69.113930][ T7450] ? fib6_walk+0x330/0x330 [ 69.119756][ T7450] ? preempt_schedule_thunk+0x16/0x18 [ 69.125735][ T7450] ? fib6_del+0x1500/0x1500 [ 69.130696][ T7450] ? rwlock_bug.part.0+0x90/0x90 [ 69.136000][ T7450] ? fib6_ifup+0x260/0x260 [ 69.140631][ T7450] __fib6_clean_all+0xe1/0x1e0 [ 69.146089][ T7450] ? fib6_ifup+0x260/0x260 [ 69.152204][ T7450] rt6_disable_ip+0x5a5/0x6a0 [ 69.157670][ T7450] ? __lock_acquire+0x15f0/0x5050 [ 69.163582][ T7450] ? rt6_sync_down_dev+0x110/0x110 [ 69.169017][ T7450] ? mark_lock+0xf0/0x15f0 [ 69.173584][ T7450] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 69.181042][ T7450] ? lock_chain_count+0x20/0x20 [ 69.186429][ T7450] ? add_addr+0x240/0x240 [ 69.191294][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.197107][ T7450] ? lock_is_held_type+0xfa/0x130 [ 69.202606][ T7450] addrconf_notify+0x3e6/0x1ca0 [ 69.209134][ T7450] ? mark_held_locks+0x9f/0xe0 [ 69.214612][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.221928][ T7450] ? tls_device_sk_destruct+0x610/0x610 [ 69.228549][ T7450] ? clusterip_netdev_event+0x369/0x540 [ 69.234817][ T7450] ? inet6_ifinfo_notify+0x100/0x100 [ 69.240995][ T7450] ? __local_bh_enable_ip+0x11f/0x220 [ 69.247225][ T7450] ? clusterip_netdev_event+0x369/0x540 [ 69.254387][ T7450] notifier_call_chain+0x94/0x170 [ 69.260380][ T7450] dev_close_many+0x28c/0x560 [ 69.265628][ T7450] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 69.271829][ T7450] dev_change_net_namespace+0xcb7/0x1000 [ 69.277745][ T7450] ? lock_downgrade+0x7b0/0x7b0 [ 69.283355][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.290064][ T7450] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 69.296419][ T7450] ? security_capable+0x4c/0x90 [ 69.303032][ T7450] ? ns_capable+0x53/0xc0 [ 69.307984][ T7450] do_setlink+0x16b/0x2f10 [ 69.312624][ T7450] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 69.319137][ T7450] ? unwind_get_return_address+0x51/0x90 [ 69.325635][ T7450] ? rtnl_getlink+0x930/0x930 [ 69.331335][ T7450] ? mark_lock+0xf0/0x15f0 [ 69.336092][ T7450] ? __lock_acquire+0xbc5/0x5050 [ 69.341651][ T7450] ? lock_chain_count+0x20/0x20 [ 69.347853][ T7450] ? memset+0x20/0x40 [ 69.352702][ T7450] ? __nla_validate_parse+0xb2/0x1fd0 [ 69.358433][ T7450] ? nla_get_range_signed+0x540/0x540 [ 69.364164][ T7450] __rtnl_newlink+0xab2/0x1350 [ 69.369475][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.376536][ T7450] ? rtnl_setlink+0x320/0x320 [ 69.381308][ T7450] ? lock_release+0x424/0x7e0 [ 69.387075][ T7450] ? is_bpf_text_address+0x5f/0xe0 [ 69.392344][ T7450] ? is_bpf_text_address+0x77/0xe0 [ 69.398004][ T7450] ? kernel_text_address+0xbd/0xf0 [ 69.403990][ T7450] ? __kernel_text_address+0x9/0x30 [ 69.410020][ T7450] ? unwind_get_return_address+0x51/0x90 [ 69.416300][ T7450] ? create_prof_cpu_mask+0x20/0x20 [ 69.421868][ T7450] ? arch_stack_walk+0x93/0xe0 [ 69.427535][ T7450] ? stack_trace_save+0x8c/0xc0 [ 69.433099][ T7450] ? stack_trace_consume_entry+0x160/0x160 [ 69.439127][ T7450] ? fs_reclaim_release+0x9c/0xe0 [ 69.445362][ T7450] ? lock_is_held_type+0xfa/0x130 [ 69.452269][ T7450] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 69.460439][ T7450] ? trace_kmalloc+0xbe/0xf0 [ 69.466265][ T7450] ? kmem_cache_alloc_trace+0x21c/0x400 [ 69.473669][ T7450] rtnl_newlink+0x5a/0x90 [ 69.478553][ T7450] rtnetlink_rcv_msg+0x32f/0x860 [ 69.484121][ T7450] ? rtnetlink_put_metrics+0x420/0x420 [ 69.490552][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.497277][ T7450] ? netdev_core_pick_tx+0x290/0x290 [ 69.503891][ T7450] ? lock_acquire+0x130/0x850 [ 69.509118][ T7450] netlink_rcv_skb+0x118/0x370 [ 69.514146][ T7450] ? rtnetlink_put_metrics+0x420/0x420 [ 69.520827][ T7450] ? netlink_ack+0x9f0/0x9f0 [ 69.525854][ T7450] ? netlink_deliver_tap+0x15d/0x990 [ 69.532806][ T7450] netlink_unicast+0x42e/0x700 [ 69.538259][ T7450] ? netlink_attachskb+0x730/0x730 [ 69.543775][ T7450] ? _copy_from_iter_full+0x177/0x690 [ 69.550491][ T7450] netlink_sendmsg+0x70e/0xbe0 [ 69.556034][ T7450] ? netlink_unicast+0x700/0x700 [ 69.561628][ T7450] ? iovec_from_user+0x143/0x290 [ 69.567216][ T7450] ? netlink_unicast+0x700/0x700 [ 69.572838][ T7450] sock_sendmsg+0xab/0xe0 [ 69.578084][ T7450] ____sys_sendmsg+0x5bf/0x7a0 [ 69.583389][ T7450] ? kernel_sendmsg+0x30/0x30 [ 69.589007][ T7450] ? do_recvmmsg+0x550/0x550 [ 69.593700][ T7450] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 69.600146][ T7450] ? __might_fault+0xb5/0x160 [ 69.605043][ T7450] ___sys_sendmsg+0xd3/0x150 [ 69.610309][ T7450] ? sendmsg_copy_msghdr+0x110/0x110 [ 69.616325][ T7450] ? find_held_lock+0x2d/0x110 [ 69.622058][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.628778][ T7450] ? lock_release+0x424/0x7e0 [ 69.634044][ T7450] ? __fget_files+0x193/0x2b0 [ 69.641798][ T7450] ? lock_downgrade+0x7b0/0x7b0 [ 69.647410][ T7450] ? find_held_lock+0x2d/0x110 [ 69.654278][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.661256][ T7450] ? lock_is_held_type+0xfa/0x130 [ 69.667241][ T7450] ? __fget_files+0x1ab/0x2b0 [ 69.673136][ T7450] ? __fget_light+0xbe/0x220 [ 69.678419][ T7450] __sys_sendmsg+0xb2/0x140 [ 69.683824][ T7450] ? __sys_sendmsg_sock+0x10/0x10 [ 69.690390][ T7450] ? check_preemption_disabled+0x36/0xd0 [ 69.696713][ T7450] ? syscall_enter_from_user_mode+0x1d/0x60 [ 69.703766][ T7450] ? lockdep_hardirqs_on+0x54/0x100 [ 69.709551][ T7450] do_syscall_64+0x2d/0x70 [ 69.714326][ T7450] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.721150][ T7450] RIP: 0033:0x464d29 [ 69.726141][ T7450] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 69.748455][ T7450] RSP: 002b:00007feba3c8a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.758048][ T7450] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 69.766372][ T7450] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 69.774776][ T7450] RBP: 00007feba3c8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.783537][ T7450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.791998][ T7450] R13: 00007ffdf4fb4ecf R14: 00007feba3c8a300 R15: 0000000000022000 [ 70.108025][ T7450] syz-executor.5 (7450) used greatest stack depth: 22464 bytes left 2021/03/13 03:36:34 executed programs: 21 [ 71.170523][ T7501] __nla_validate_parse: 5 callbacks suppressed [ 71.170530][ T7501] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 71.837756][ T7505] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 71.919025][ T7509] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 71.950497][ T7511] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 72.020707][ T7515] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 72.096046][ T7519] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 72.160910][ T7523] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 72.457095][ T7527] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 72.500439][ T7531] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 72.717974][ T7535] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 74.612356][ T7571] FAULT_INJECTION: forcing a failure. [ 74.612356][ T7571] name failslab, interval 1, probability 0, space 0, times 0 [ 74.626728][ T7571] CPU: 0 PID: 7571 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 74.636446][ T7571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.647709][ T7571] Call Trace: [ 74.651456][ T7571] dump_stack+0x10c/0x14b [ 74.656665][ T7571] should_fail.cold+0x5/0xa [ 74.661654][ T7571] should_failslab+0x5/0x10 [ 74.666892][ T7571] kmem_cache_alloc_node_trace+0x65/0x540 [ 74.673222][ T7571] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 74.680635][ T7571] __kmalloc_node_track_caller+0x38/0x60 [ 74.686895][ T7571] __alloc_skb+0x8b/0x280 [ 74.691423][ T7571] inet6_netconf_notify_devconf+0x5a/0xf0 [ 74.697849][ T7571] addrconf_sysctl_unregister+0x127/0x1b0 [ 74.703679][ T7571] addrconf_ifdown.isra.0+0xb7d/0x10e0 [ 74.710024][ T7571] ? add_addr+0x240/0x240 [ 74.714465][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 74.720629][ T7571] ? lock_is_held_type+0xfa/0x130 [ 74.726243][ T7571] addrconf_notify+0x3e6/0x1ca0 [ 74.731795][ T7571] ? mark_held_locks+0x9f/0xe0 [ 74.737609][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 74.744030][ T7571] ? tls_device_sk_destruct+0x610/0x610 [ 74.750058][ T7571] ? clusterip_netdev_event+0x369/0x540 [ 74.756006][ T7571] ? inet6_ifinfo_notify+0x100/0x100 [ 74.761736][ T7571] ? __local_bh_enable_ip+0x11f/0x220 [ 74.768948][ T7571] ? clusterip_netdev_event+0x369/0x540 [ 74.775526][ T7571] notifier_call_chain+0x94/0x170 [ 74.782039][ T7571] dev_change_net_namespace+0x22e/0x1000 [ 74.788614][ T7571] ? lock_downgrade+0x7b0/0x7b0 [ 74.793660][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 74.799380][ T7571] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 74.805303][ T7571] ? security_capable+0x4c/0x90 [ 74.810913][ T7571] ? ns_capable+0x53/0xc0 [ 74.815507][ T7571] do_setlink+0x16b/0x2f10 [ 74.820092][ T7571] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 74.827043][ T7571] ? unwind_get_return_address+0x51/0x90 [ 74.832807][ T7571] ? rtnl_getlink+0x930/0x930 [ 74.837604][ T7571] ? mark_lock+0xf0/0x15f0 [ 74.842668][ T7571] ? __lock_acquire+0xbc5/0x5050 [ 74.848192][ T7571] ? lock_chain_count+0x20/0x20 [ 74.853311][ T7571] ? memset+0x20/0x40 [ 74.857543][ T7571] ? __nla_validate_parse+0xb2/0x1fd0 [ 74.863271][ T7571] ? nla_get_range_signed+0x540/0x540 [ 74.869426][ T7571] __rtnl_newlink+0xab2/0x1350 [ 74.874483][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 74.880285][ T7571] ? rtnl_setlink+0x320/0x320 [ 74.885651][ T7571] ? lock_release+0x424/0x7e0 [ 74.891825][ T7571] ? is_bpf_text_address+0x5f/0xe0 [ 74.897523][ T7571] ? is_bpf_text_address+0x77/0xe0 [ 74.903177][ T7571] ? kernel_text_address+0xbd/0xf0 [ 74.908979][ T7571] ? __kernel_text_address+0x9/0x30 [ 74.915240][ T7571] ? unwind_get_return_address+0x51/0x90 [ 74.921580][ T7571] ? create_prof_cpu_mask+0x20/0x20 [ 74.927463][ T7571] ? arch_stack_walk+0x93/0xe0 [ 74.933094][ T7571] ? stack_trace_save+0x8c/0xc0 [ 74.938489][ T7571] ? stack_trace_consume_entry+0x160/0x160 [ 74.945362][ T7571] ? fs_reclaim_release+0x9c/0xe0 [ 74.951170][ T7571] ? lock_is_held_type+0xfa/0x130 [ 74.957186][ T7571] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 74.963584][ T7571] ? trace_kmalloc+0xbe/0xf0 [ 74.969336][ T7571] ? kmem_cache_alloc_trace+0x21c/0x400 [ 74.976166][ T7571] rtnl_newlink+0x5a/0x90 [ 74.981033][ T7571] rtnetlink_rcv_msg+0x32f/0x860 [ 74.986399][ T7571] ? rtnetlink_put_metrics+0x420/0x420 [ 74.992043][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 74.999483][ T7571] ? netdev_core_pick_tx+0x290/0x290 [ 75.005549][ T7571] ? lock_acquire+0x130/0x850 [ 75.011070][ T7571] netlink_rcv_skb+0x118/0x370 [ 75.018562][ T7571] ? rtnetlink_put_metrics+0x420/0x420 [ 75.025942][ T7571] ? netlink_ack+0x9f0/0x9f0 [ 75.031425][ T7571] ? netlink_deliver_tap+0x15d/0x990 [ 75.040000][ T7571] netlink_unicast+0x42e/0x700 [ 75.046249][ T7571] ? netlink_attachskb+0x730/0x730 [ 75.052391][ T7571] ? _copy_from_iter_full+0x177/0x690 [ 75.059040][ T7571] netlink_sendmsg+0x70e/0xbe0 [ 75.065086][ T7571] ? netlink_unicast+0x700/0x700 [ 75.070219][ T7571] ? iovec_from_user+0x143/0x290 [ 75.076743][ T7571] ? netlink_unicast+0x700/0x700 [ 75.082515][ T7571] sock_sendmsg+0xab/0xe0 [ 75.087209][ T7571] ____sys_sendmsg+0x5bf/0x7a0 [ 75.093019][ T7571] ? kernel_sendmsg+0x30/0x30 [ 75.099216][ T7571] ? do_recvmmsg+0x550/0x550 [ 75.106040][ T7571] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 75.115794][ T7571] ? __might_fault+0xb5/0x160 [ 75.122261][ T7571] ___sys_sendmsg+0xd3/0x150 [ 75.128518][ T7571] ? sendmsg_copy_msghdr+0x110/0x110 [ 75.135114][ T7571] ? find_held_lock+0x2d/0x110 [ 75.140744][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 75.147077][ T7571] ? lock_release+0x424/0x7e0 [ 75.152440][ T7571] ? __fget_files+0x193/0x2b0 [ 75.157434][ T7571] ? lock_downgrade+0x7b0/0x7b0 [ 75.162953][ T7571] ? find_held_lock+0x2d/0x110 [ 75.169023][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 75.175982][ T7571] ? lock_is_held_type+0xfa/0x130 [ 75.182010][ T7571] ? __fget_files+0x1ab/0x2b0 [ 75.188050][ T7571] ? __fget_light+0xbe/0x220 [ 75.193268][ T7571] __sys_sendmsg+0xb2/0x140 [ 75.198284][ T7571] ? __sys_sendmsg_sock+0x10/0x10 [ 75.203979][ T7571] ? check_preemption_disabled+0x36/0xd0 [ 75.210421][ T7571] ? syscall_enter_from_user_mode+0x1d/0x60 [ 75.217622][ T7571] ? lockdep_hardirqs_on+0x54/0x100 [ 75.224878][ T7571] do_syscall_64+0x2d/0x70 [ 75.229881][ T7571] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.237134][ T7571] RIP: 0033:0x464d29 [ 75.241786][ T7571] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 75.263892][ T7571] RSP: 002b:00007f03bed57188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.273288][ T7571] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 75.281874][ T7571] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 75.290572][ T7571] RBP: 00007f03bed571d0 R08: 0000000000000000 R09: 0000000000000000 [ 75.300969][ T7571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 75.310204][ T7571] R13: 00007ffc737f8a4f R14: 00007f03bed57300 R15: 0000000000022000 [ 75.421852][ T7571] A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. [ 76.209127][ T7603] __nla_validate_parse: 15 callbacks suppressed [ 76.209136][ T7603] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 76.298307][ T7603] FAULT_INJECTION: forcing a failure. [ 76.298307][ T7603] name failslab, interval 1, probability 0, space 0, times 0 [ 76.313846][ T7603] CPU: 0 PID: 7603 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 76.323388][ T7603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.334112][ T7603] Call Trace: [ 76.337649][ T7603] dump_stack+0x10c/0x14b [ 76.342269][ T7603] should_fail.cold+0x5/0xa [ 76.347514][ T7603] ? mark_held_locks+0x9f/0xe0 [ 76.352594][ T7603] should_failslab+0x5/0x10 [ 76.357264][ T7603] kmem_cache_alloc_node_trace+0x65/0x540 [ 76.363740][ T7603] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 76.370901][ T7603] __kmalloc_node_track_caller+0x38/0x60 [ 76.377452][ T7603] __alloc_skb+0x8b/0x280 [ 76.382089][ T7603] __neigh_notify+0x7f/0x110 [ 76.387020][ T7603] neigh_cleanup_and_release+0x5a/0x220 [ 76.393201][ T7603] neigh_flush_dev+0x4f4/0x800 [ 76.398832][ T7603] ? lock_release+0x424/0x7e0 [ 76.404140][ T7603] __neigh_ifdown.isra.0+0x44/0x390 [ 76.409651][ T7603] ? __local_bh_enable_ip+0x11f/0x220 [ 76.415150][ T7603] ? rt6_disable_ip+0x49d/0x6a0 [ 76.420608][ T7603] neigh_ifdown+0x7/0x10 [ 76.425499][ T7603] rt6_disable_ip+0x551/0x6a0 [ 76.430487][ T7603] ? rt6_sync_down_dev+0x110/0x110 [ 76.436737][ T7603] ? mark_lock+0xf0/0x15f0 [ 76.441532][ T7603] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 76.447376][ T7603] ? lock_chain_count+0x20/0x20 [ 76.452587][ T7603] ? add_addr+0x240/0x240 [ 76.457398][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.463892][ T7603] ? lock_is_held_type+0xfa/0x130 [ 76.469265][ T7603] addrconf_notify+0x3e6/0x1ca0 [ 76.474682][ T7603] ? mark_held_locks+0x9f/0xe0 [ 76.480230][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.486242][ T7603] ? tls_device_sk_destruct+0x610/0x610 [ 76.492673][ T7603] ? clusterip_netdev_event+0x369/0x540 [ 76.498875][ T7603] ? inet6_ifinfo_notify+0x100/0x100 [ 76.505156][ T7603] ? __local_bh_enable_ip+0x11f/0x220 [ 76.512297][ T7603] ? clusterip_netdev_event+0x369/0x540 [ 76.518210][ T7603] notifier_call_chain+0x94/0x170 [ 76.524533][ T7603] dev_close_many+0x28c/0x560 [ 76.531366][ T7603] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 76.537552][ T7603] dev_change_net_namespace+0xcb7/0x1000 [ 76.543638][ T7603] ? lock_downgrade+0x7b0/0x7b0 [ 76.549958][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.557074][ T7603] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 76.564260][ T7603] ? security_capable+0x4c/0x90 [ 76.569130][ T7603] ? ns_capable+0x53/0xc0 [ 76.573648][ T7603] do_setlink+0x16b/0x2f10 [ 76.578812][ T7603] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 76.585016][ T7603] ? unwind_get_return_address+0x51/0x90 [ 76.591399][ T7603] ? rtnl_getlink+0x930/0x930 [ 76.597391][ T7603] ? mark_lock+0xf0/0x15f0 [ 76.602350][ T7603] ? __lock_acquire+0xbc5/0x5050 [ 76.607934][ T7603] ? lock_chain_count+0x20/0x20 [ 76.612959][ T7603] ? memset+0x20/0x40 [ 76.617154][ T7603] ? __nla_validate_parse+0xb2/0x1fd0 [ 76.622991][ T7603] ? nla_get_range_signed+0x540/0x540 [ 76.629189][ T7603] __rtnl_newlink+0xab2/0x1350 [ 76.634939][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.642426][ T7603] ? rtnl_setlink+0x320/0x320 [ 76.648479][ T7603] ? lock_release+0x424/0x7e0 [ 76.653693][ T7603] ? is_bpf_text_address+0x5f/0xe0 [ 76.659863][ T7603] ? is_bpf_text_address+0x77/0xe0 [ 76.665955][ T7603] ? kernel_text_address+0xbd/0xf0 [ 76.672368][ T7603] ? __kernel_text_address+0x9/0x30 [ 76.679336][ T7603] ? unwind_get_return_address+0x51/0x90 [ 76.685711][ T7603] ? create_prof_cpu_mask+0x20/0x20 [ 76.692636][ T7603] ? arch_stack_walk+0x93/0xe0 [ 76.698692][ T7603] ? stack_trace_save+0x8c/0xc0 [ 76.704004][ T7603] ? stack_trace_consume_entry+0x160/0x160 [ 76.710330][ T7603] ? fs_reclaim_release+0x9c/0xe0 [ 76.715811][ T7603] ? lock_is_held_type+0xfa/0x130 [ 76.721446][ T7603] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 76.729633][ T7603] ? trace_kmalloc+0xbe/0xf0 [ 76.735687][ T7603] ? kmem_cache_alloc_trace+0x21c/0x400 [ 76.741790][ T7603] rtnl_newlink+0x5a/0x90 [ 76.746395][ T7603] rtnetlink_rcv_msg+0x32f/0x860 [ 76.752693][ T7603] ? rtnetlink_put_metrics+0x420/0x420 [ 76.758850][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.765664][ T7603] ? netdev_core_pick_tx+0x290/0x290 [ 76.771974][ T7603] ? lock_acquire+0x130/0x850 [ 76.777373][ T7603] netlink_rcv_skb+0x118/0x370 [ 76.782917][ T7603] ? rtnetlink_put_metrics+0x420/0x420 [ 76.789759][ T7603] ? netlink_ack+0x9f0/0x9f0 [ 76.795323][ T7603] ? netlink_deliver_tap+0x15d/0x990 [ 76.802197][ T7603] netlink_unicast+0x42e/0x700 [ 76.808381][ T7603] ? netlink_attachskb+0x730/0x730 [ 76.813976][ T7603] ? _copy_from_iter_full+0x177/0x690 [ 76.819454][ T7603] netlink_sendmsg+0x70e/0xbe0 [ 76.824804][ T7603] ? netlink_unicast+0x700/0x700 [ 76.830548][ T7603] ? iovec_from_user+0x143/0x290 [ 76.836010][ T7603] ? netlink_unicast+0x700/0x700 [ 76.841733][ T7603] sock_sendmsg+0xab/0xe0 [ 76.846600][ T7603] ____sys_sendmsg+0x5bf/0x7a0 [ 76.852256][ T7603] ? kernel_sendmsg+0x30/0x30 [ 76.857534][ T7603] ? do_recvmmsg+0x550/0x550 [ 76.862800][ T7603] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 76.869829][ T7603] ? __might_fault+0xb5/0x160 [ 76.875290][ T7603] ___sys_sendmsg+0xd3/0x150 [ 76.881048][ T7603] ? sendmsg_copy_msghdr+0x110/0x110 [ 76.889145][ T7603] ? find_held_lock+0x2d/0x110 [ 76.897565][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.903914][ T7603] ? lock_release+0x424/0x7e0 [ 76.909259][ T7603] ? __fget_files+0x193/0x2b0 [ 76.914162][ T7603] ? lock_downgrade+0x7b0/0x7b0 [ 76.919383][ T7603] ? find_held_lock+0x2d/0x110 [ 76.924723][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.932712][ T7603] ? lock_is_held_type+0xfa/0x130 [ 76.938632][ T7603] ? __fget_files+0x1ab/0x2b0 [ 76.944576][ T7603] ? __fget_light+0xbe/0x220 [ 76.949815][ T7603] __sys_sendmsg+0xb2/0x140 [ 76.957271][ T7603] ? __sys_sendmsg_sock+0x10/0x10 [ 76.965106][ T7603] ? check_preemption_disabled+0x36/0xd0 [ 76.971942][ T7603] ? syscall_enter_from_user_mode+0x1d/0x60 [ 76.980410][ T7603] ? lockdep_hardirqs_on+0x54/0x100 [ 76.986514][ T7603] do_syscall_64+0x2d/0x70 [ 76.993449][ T7603] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.999957][ T7603] RIP: 0033:0x464d29 [ 77.004839][ T7603] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 77.027441][ T7603] RSP: 002b:00007feba3c8a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.040061][ T7603] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 77.053193][ T7603] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 77.063526][ T7603] RBP: 00007feba3c8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.073640][ T7603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.084664][ T7603] R13: 00007ffdf4fb4ecf R14: 00007feba3c8a300 R15: 0000000000022000 2021/03/13 03:36:40 executed programs: 46 [ 77.398015][ T7615] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 77.611513][ T7615] FAULT_INJECTION: forcing a failure. [ 77.611513][ T7615] name failslab, interval 1, probability 0, space 0, times 0 [ 77.631187][ T7615] CPU: 1 PID: 7615 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 77.645041][ T7615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.658923][ T7615] Call Trace: [ 77.663542][ T7615] dump_stack+0x10c/0x14b [ 77.669514][ T7615] should_fail.cold+0x5/0xa [ 77.675154][ T7615] should_failslab+0x5/0x10 [ 77.682073][ T7615] kmem_cache_alloc_node_trace+0x65/0x540 [ 77.693603][ T7615] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 77.699961][ T7615] __kmalloc_node_track_caller+0x38/0x60 [ 77.709190][ T7615] __alloc_skb+0x8b/0x280 [ 77.716810][ T7615] alloc_uevent_skb+0x76/0x200 [ 77.723541][ T7615] kobject_uevent_env+0xc49/0xf50 [ 77.732264][ T7615] ? check_preemption_disabled+0x36/0xd0 [ 77.739000][ T7615] ? __local_bh_enable_ip+0x11f/0x220 [ 77.747421][ T7615] ? dev_change_net_namespace+0x4d7/0x1000 [ 77.755761][ T7615] ? lockdep_hardirqs_on+0x54/0x100 [ 77.762911][ T7615] dev_change_net_namespace+0x4f0/0x1000 [ 77.770124][ T7615] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 77.776832][ T7615] ? security_capable+0x4c/0x90 [ 77.782717][ T7615] ? ns_capable+0x53/0xc0 [ 77.788020][ T7615] do_setlink+0x16b/0x2f10 [ 77.793465][ T7615] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 77.800625][ T7615] ? unwind_get_return_address+0x51/0x90 [ 77.807220][ T7615] ? rtnl_getlink+0x930/0x930 [ 77.812667][ T7615] ? mark_lock+0xf0/0x15f0 [ 77.817423][ T7615] ? __lock_acquire+0xbc5/0x5050 [ 77.823363][ T7615] ? lock_chain_count+0x20/0x20 [ 77.828813][ T7615] ? lock_chain_count+0x20/0x20 [ 77.833850][ T7615] ? memset+0x20/0x40 [ 77.838196][ T7615] ? __nla_validate_parse+0xb2/0x1fd0 [ 77.844177][ T7615] ? nla_get_range_signed+0x540/0x540 [ 77.850108][ T7615] __rtnl_newlink+0xab2/0x1350 [ 77.855092][ T7615] ? check_preemption_disabled+0x36/0xd0 [ 77.861302][ T7615] ? rtnl_setlink+0x320/0x320 [ 77.866767][ T7615] ? lock_release+0x424/0x7e0 [ 77.871888][ T7615] ? is_bpf_text_address+0x5f/0xe0 [ 77.877630][ T7615] ? is_bpf_text_address+0x77/0xe0 [ 77.883002][ T7615] ? kernel_text_address+0xbd/0xf0 [ 77.888923][ T7615] ? __kernel_text_address+0x9/0x30 [ 77.895037][ T7615] ? unwind_get_return_address+0x51/0x90 [ 77.901871][ T7615] ? create_prof_cpu_mask+0x20/0x20 [ 77.907215][ T7615] ? arch_stack_walk+0x93/0xe0 [ 77.912463][ T7615] ? stack_trace_save+0x8c/0xc0 [ 77.917432][ T7615] ? stack_trace_consume_entry+0x160/0x160 [ 77.923736][ T7615] ? fs_reclaim_release+0x9c/0xe0 [ 77.929316][ T7615] ? lock_is_held_type+0xfa/0x130 [ 77.934531][ T7615] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 77.940635][ T7615] ? trace_kmalloc+0xbe/0xf0 [ 77.946166][ T7615] ? kmem_cache_alloc_trace+0x21c/0x400 [ 77.952307][ T7615] rtnl_newlink+0x5a/0x90 [ 77.956910][ T7615] rtnetlink_rcv_msg+0x32f/0x860 [ 77.962633][ T7615] ? rtnetlink_put_metrics+0x420/0x420 [ 77.969311][ T7615] ? check_preemption_disabled+0x36/0xd0 [ 77.976123][ T7615] ? netdev_core_pick_tx+0x290/0x290 [ 77.981655][ T7615] ? lock_acquire+0x130/0x850 [ 77.986413][ T7615] netlink_rcv_skb+0x118/0x370 [ 77.991563][ T7615] ? rtnetlink_put_metrics+0x420/0x420 [ 77.997738][ T7615] ? netlink_ack+0x9f0/0x9f0 [ 78.003026][ T7615] ? netlink_deliver_tap+0x15d/0x990 [ 78.009293][ T7615] netlink_unicast+0x42e/0x700 [ 78.014747][ T7615] ? netlink_attachskb+0x730/0x730 [ 78.021195][ T7615] ? _copy_from_iter_full+0x177/0x690 [ 78.027447][ T7615] netlink_sendmsg+0x70e/0xbe0 [ 78.035719][ T7615] ? netlink_unicast+0x700/0x700 [ 78.044318][ T7615] ? iovec_from_user+0x143/0x290 [ 78.051006][ T7615] ? netlink_unicast+0x700/0x700 [ 78.056821][ T7615] sock_sendmsg+0xab/0xe0 [ 78.062041][ T7615] ____sys_sendmsg+0x5bf/0x7a0 [ 78.068070][ T7615] ? kernel_sendmsg+0x30/0x30 [ 78.073249][ T7615] ? do_recvmmsg+0x550/0x550 [ 78.078510][ T7615] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 78.085409][ T7615] ? __might_fault+0xb5/0x160 [ 78.091310][ T7615] ___sys_sendmsg+0xd3/0x150 [ 78.096458][ T7615] ? sendmsg_copy_msghdr+0x110/0x110 [ 78.102208][ T7615] ? find_held_lock+0x2d/0x110 [ 78.107540][ T7615] ? check_preemption_disabled+0x36/0xd0 [ 78.113440][ T7615] ? lock_release+0x424/0x7e0 [ 78.118545][ T7615] ? __fget_files+0x193/0x2b0 [ 78.123520][ T7615] ? lock_downgrade+0x7b0/0x7b0 [ 78.128870][ T7615] ? find_held_lock+0x2d/0x110 [ 78.133801][ T7615] ? check_preemption_disabled+0x36/0xd0 [ 78.140587][ T7615] ? lock_is_held_type+0xfa/0x130 [ 78.146242][ T7615] ? __fget_files+0x1ab/0x2b0 [ 78.152123][ T7615] ? __fget_light+0xbe/0x220 [ 78.156877][ T7615] __sys_sendmsg+0xb2/0x140 [ 78.161563][ T7615] ? __sys_sendmsg_sock+0x10/0x10 [ 78.168353][ T7615] ? check_preemption_disabled+0x36/0xd0 [ 78.175401][ T7615] ? syscall_enter_from_user_mode+0x1d/0x60 [ 78.182267][ T7615] ? lockdep_hardirqs_on+0x54/0x100 [ 78.188409][ T7615] do_syscall_64+0x2d/0x70 [ 78.193286][ T7615] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.200429][ T7615] RIP: 0033:0x464d29 [ 78.204734][ T7615] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 78.227293][ T7615] RSP: 002b:00007f03bed57188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.236657][ T7615] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 78.245265][ T7615] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 78.255320][ T7615] RBP: 00007f03bed571d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.263969][ T7615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.273062][ T7615] R13: 00007ffc737f8a4f R14: 00007f03bed57300 R15: 0000000000022000 [ 78.317386][ T7615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.341152][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.349293][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.408000][ T7622] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 78.435014][ T7627] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 78.692396][ T7630] FAULT_INJECTION: forcing a failure. [ 78.692396][ T7630] name failslab, interval 1, probability 0, space 0, times 0 [ 78.706983][ T7630] CPU: 1 PID: 7630 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 78.716236][ T7630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.726734][ T7630] Call Trace: [ 78.730411][ T7630] dump_stack+0x10c/0x14b [ 78.734824][ T7630] should_fail.cold+0x5/0xa [ 78.739497][ T7630] should_failslab+0x5/0x10 [ 78.744269][ T7630] kmem_cache_alloc_node_trace+0x65/0x540 [ 78.751251][ T7630] __kmalloc_node_track_caller+0x38/0x60 [ 78.757262][ T7630] pskb_expand_head+0x11f/0xf50 [ 78.762639][ T7630] ? lock_is_held_type+0xfa/0x130 [ 78.768886][ T7630] ? validate_linkmsg+0x620/0x620 [ 78.774488][ T7630] ? kmem_cache_alloc_node_trace+0x420/0x540 [ 78.781696][ T7630] netlink_trim+0x18f/0x1f0 [ 78.786425][ T7630] netlink_broadcast_filtered+0x58/0xac0 [ 78.792575][ T7630] ? rtmsg_ifinfo_build_skb+0xc3/0x160 [ 78.798553][ T7630] nlmsg_notify+0x60/0x1b0 [ 78.803602][ T7630] dev_change_net_namespace+0x4c7/0x1000 [ 78.809511][ T7630] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 78.814808][ T7630] ? security_capable+0x4c/0x90 [ 78.820215][ T7630] ? ns_capable+0x53/0xc0 [ 78.825013][ T7630] do_setlink+0x16b/0x2f10 [ 78.831079][ T7630] ? mark_lock+0xf0/0x15f0 [ 78.835798][ T7630] ? rtnl_getlink+0x930/0x930 [ 78.840912][ T7630] ? lock_chain_count+0x20/0x20 [ 78.846128][ T7630] ? mark_lock+0xf0/0x15f0 [ 78.851425][ T7630] ? __lock_acquire+0xbc5/0x5050 [ 78.856636][ T7630] ? lock_chain_count+0x20/0x20 [ 78.861850][ T7630] ? mark_lock+0xf0/0x15f0 [ 78.866624][ T7630] ? mark_lock+0xf0/0x15f0 [ 78.871453][ T7630] ? mark_lock+0xf0/0x15f0 [ 78.876414][ T7630] ? memset+0x20/0x40 [ 78.880699][ T7630] ? __nla_validate_parse+0xb2/0x1fd0 [ 78.886828][ T7630] ? nla_get_range_signed+0x540/0x540 [ 78.892584][ T7630] __rtnl_newlink+0xab2/0x1350 [ 78.898164][ T7630] ? check_preemption_disabled+0x36/0xd0 [ 78.904343][ T7630] ? rtnl_setlink+0x320/0x320 [ 78.909457][ T7630] ? lock_release+0x424/0x7e0 [ 78.914230][ T7630] ? is_bpf_text_address+0x5f/0xe0 [ 78.920239][ T7630] ? is_bpf_text_address+0x77/0xe0 [ 78.925721][ T7630] ? kernel_text_address+0xbd/0xf0 [ 78.931688][ T7630] ? __kernel_text_address+0x9/0x30 [ 78.937494][ T7630] ? unwind_get_return_address+0x51/0x90 [ 78.944881][ T7630] ? create_prof_cpu_mask+0x20/0x20 [ 78.950694][ T7630] ? arch_stack_walk+0x93/0xe0 [ 78.955965][ T7630] ? stack_trace_save+0x8c/0xc0 [ 78.961417][ T7630] ? stack_trace_consume_entry+0x160/0x160 [ 78.967839][ T7630] ? fs_reclaim_release+0x9c/0xe0 [ 78.973513][ T7630] ? lock_is_held_type+0xfa/0x130 [ 78.978839][ T7630] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 78.984749][ T7630] ? trace_kmalloc+0xbe/0xf0 [ 78.989764][ T7630] ? kmem_cache_alloc_trace+0x21c/0x400 [ 78.995428][ T7630] rtnl_newlink+0x5a/0x90 [ 79.000681][ T7630] rtnetlink_rcv_msg+0x32f/0x860 [ 79.006164][ T7630] ? rtnetlink_put_metrics+0x420/0x420 [ 79.012360][ T7630] ? check_preemption_disabled+0x36/0xd0 [ 79.018167][ T7630] ? netdev_core_pick_tx+0x290/0x290 [ 79.024005][ T7630] ? lock_acquire+0x130/0x850 [ 79.029256][ T7630] netlink_rcv_skb+0x118/0x370 [ 79.037798][ T7630] ? rtnetlink_put_metrics+0x420/0x420 [ 79.045723][ T7630] ? netlink_ack+0x9f0/0x9f0 [ 79.054406][ T7630] ? netlink_deliver_tap+0x15d/0x990 [ 79.062130][ T7630] netlink_unicast+0x42e/0x700 [ 79.067627][ T7630] ? netlink_attachskb+0x730/0x730 [ 79.073593][ T7630] ? _copy_from_iter_full+0x177/0x690 [ 79.080493][ T7630] netlink_sendmsg+0x70e/0xbe0 [ 79.085482][ T7630] ? netlink_unicast+0x700/0x700 [ 79.091418][ T7630] ? iovec_from_user+0x143/0x290 [ 79.097606][ T7630] ? netlink_unicast+0x700/0x700 [ 79.103347][ T7630] sock_sendmsg+0xab/0xe0 [ 79.111450][ T7630] ____sys_sendmsg+0x5bf/0x7a0 [ 79.118285][ T7630] ? kernel_sendmsg+0x30/0x30 [ 79.124130][ T7630] ? do_recvmmsg+0x550/0x550 [ 79.129640][ T7630] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 79.136140][ T7630] ? __might_fault+0xb5/0x160 [ 79.141986][ T7630] ___sys_sendmsg+0xd3/0x150 [ 79.147016][ T7630] ? sendmsg_copy_msghdr+0x110/0x110 [ 79.152964][ T7630] ? find_held_lock+0x2d/0x110 [ 79.158319][ T7630] ? check_preemption_disabled+0x36/0xd0 [ 79.164786][ T7630] ? lock_release+0x424/0x7e0 [ 79.171575][ T7630] ? __fget_files+0x193/0x2b0 [ 79.179252][ T7630] ? lock_downgrade+0x7b0/0x7b0 [ 79.185172][ T7630] ? find_held_lock+0x2d/0x110 [ 79.190911][ T7630] ? check_preemption_disabled+0x36/0xd0 [ 79.198172][ T7630] ? lock_is_held_type+0xfa/0x130 [ 79.204547][ T7630] ? __fget_files+0x1ab/0x2b0 [ 79.209689][ T7630] ? __fget_light+0xbe/0x220 [ 79.215289][ T7630] __sys_sendmsg+0xb2/0x140 [ 79.221184][ T7630] ? __sys_sendmsg_sock+0x10/0x10 [ 79.227364][ T7630] ? check_preemption_disabled+0x36/0xd0 [ 79.233991][ T7630] ? syscall_enter_from_user_mode+0x1d/0x60 [ 79.240608][ T7630] ? lockdep_hardirqs_on+0x54/0x100 [ 79.246354][ T7630] do_syscall_64+0x2d/0x70 [ 79.253591][ T7630] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.262941][ T7630] RIP: 0033:0x464d29 [ 79.268196][ T7630] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 79.300627][ T7630] RSP: 002b:00007fa9fca3d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.311922][ T7630] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 79.322044][ T7630] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 79.333169][ T7630] RBP: 00007fa9fca3d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.344621][ T7630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.356100][ T7630] R13: 00007fff43d2160f R14: 00007fa9fca3d300 R15: 0000000000022000 [ 79.389702][ T7630] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 79.400630][ T7631] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 79.437109][ T7649] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 79.465589][ T7654] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 79.495159][ T7656] FAULT_INJECTION: forcing a failure. [ 79.495159][ T7656] name failslab, interval 1, probability 0, space 0, times 0 [ 79.537771][ T7656] CPU: 1 PID: 7656 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 79.547318][ T7656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.561437][ T7656] Call Trace: [ 79.565355][ T7656] dump_stack+0x10c/0x14b [ 79.570517][ T7656] should_fail.cold+0x5/0xa [ 79.575967][ T7656] should_failslab+0x5/0x10 [ 79.580946][ T7656] kmem_cache_alloc_node_trace+0x65/0x540 [ 79.587116][ T7656] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 79.592871][ T7656] __kmalloc_node_track_caller+0x38/0x60 [ 79.598690][ T7656] __alloc_skb+0x8b/0x280 [ 79.603208][ T7656] inet6_netconf_notify_devconf+0x5a/0xf0 [ 79.609226][ T7656] addrconf_sysctl_unregister+0x127/0x1b0 [ 79.615270][ T7656] addrconf_ifdown.isra.0+0xb7d/0x10e0 [ 79.621213][ T7656] ? add_addr+0x240/0x240 [ 79.625647][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 79.631942][ T7656] ? lock_is_held_type+0xfa/0x130 [ 79.637286][ T7656] addrconf_notify+0x3e6/0x1ca0 [ 79.643172][ T7656] ? mark_held_locks+0x9f/0xe0 [ 79.647963][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 79.654210][ T7656] ? tls_device_sk_destruct+0x610/0x610 [ 79.660352][ T7656] ? clusterip_netdev_event+0x369/0x540 [ 79.667318][ T7656] ? inet6_ifinfo_notify+0x100/0x100 [ 79.673644][ T7656] ? __local_bh_enable_ip+0x11f/0x220 [ 79.680540][ T7656] ? clusterip_netdev_event+0x369/0x540 [ 79.686548][ T7656] notifier_call_chain+0x94/0x170 [ 79.692264][ T7656] dev_change_net_namespace+0x22e/0x1000 [ 79.698492][ T7656] ? lock_downgrade+0x7b0/0x7b0 [ 79.705194][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 79.711670][ T7656] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 79.716893][ T7656] ? security_capable+0x4c/0x90 [ 79.721758][ T7656] ? ns_capable+0x53/0xc0 [ 79.726489][ T7656] do_setlink+0x16b/0x2f10 [ 79.732375][ T7656] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 79.738636][ T7656] ? unwind_get_return_address+0x51/0x90 [ 79.744940][ T7656] ? rtnl_getlink+0x930/0x930 [ 79.750623][ T7656] ? mark_lock+0xf0/0x15f0 [ 79.755489][ T7656] ? __lock_acquire+0xbc5/0x5050 [ 79.760735][ T7656] ? lock_chain_count+0x20/0x20 [ 79.765839][ T7656] ? mark_lock+0xf0/0x15f0 [ 79.770706][ T7656] ? mark_lock+0xf0/0x15f0 [ 79.775592][ T7656] ? memset+0x20/0x40 [ 79.780052][ T7656] ? __nla_validate_parse+0xb2/0x1fd0 [ 79.785885][ T7656] ? nla_get_range_signed+0x540/0x540 [ 79.791975][ T7656] __rtnl_newlink+0xab2/0x1350 [ 79.797033][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 79.803530][ T7656] ? rtnl_setlink+0x320/0x320 [ 79.808998][ T7656] ? lock_release+0x424/0x7e0 [ 79.813790][ T7656] ? is_bpf_text_address+0x5f/0xe0 [ 79.819468][ T7656] ? is_bpf_text_address+0x77/0xe0 [ 79.825393][ T7656] ? kernel_text_address+0xbd/0xf0 [ 79.831245][ T7656] ? __kernel_text_address+0x9/0x30 [ 79.836560][ T7656] ? unwind_get_return_address+0x51/0x90 [ 79.843588][ T7656] ? create_prof_cpu_mask+0x20/0x20 [ 79.849300][ T7656] ? arch_stack_walk+0x93/0xe0 [ 79.854477][ T7656] ? stack_trace_save+0x8c/0xc0 [ 79.859750][ T7656] ? stack_trace_consume_entry+0x160/0x160 [ 79.866391][ T7656] ? fs_reclaim_release+0x9c/0xe0 [ 79.871974][ T7656] ? lock_is_held_type+0xfa/0x130 [ 79.877121][ T7656] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 79.883053][ T7656] ? trace_kmalloc+0xbe/0xf0 [ 79.888292][ T7656] ? kmem_cache_alloc_trace+0x21c/0x400 [ 79.894437][ T7656] rtnl_newlink+0x5a/0x90 [ 79.899396][ T7656] rtnetlink_rcv_msg+0x32f/0x860 [ 79.905102][ T7656] ? rtnetlink_put_metrics+0x420/0x420 [ 79.911285][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 79.917675][ T7656] ? netdev_core_pick_tx+0x290/0x290 [ 79.923730][ T7656] ? lock_acquire+0x130/0x850 [ 79.929440][ T7656] netlink_rcv_skb+0x118/0x370 [ 79.934341][ T7656] ? rtnetlink_put_metrics+0x420/0x420 [ 79.940272][ T7656] ? netlink_ack+0x9f0/0x9f0 [ 79.945171][ T7656] ? netlink_deliver_tap+0x15d/0x990 [ 79.950789][ T7656] netlink_unicast+0x42e/0x700 [ 79.956105][ T7656] ? netlink_attachskb+0x730/0x730 [ 79.962510][ T7656] ? _copy_from_iter_full+0x177/0x690 [ 79.969219][ T7656] netlink_sendmsg+0x70e/0xbe0 [ 79.974426][ T7656] ? netlink_unicast+0x700/0x700 [ 79.981729][ T7656] ? iovec_from_user+0x143/0x290 [ 79.987565][ T7656] ? netlink_unicast+0x700/0x700 [ 79.993163][ T7656] sock_sendmsg+0xab/0xe0 [ 79.997702][ T7656] ____sys_sendmsg+0x5bf/0x7a0 [ 80.003212][ T7656] ? kernel_sendmsg+0x30/0x30 [ 80.008272][ T7656] ? do_recvmmsg+0x550/0x550 [ 80.013644][ T7656] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 80.021175][ T7656] ? __might_fault+0xb5/0x160 [ 80.026251][ T7656] ___sys_sendmsg+0xd3/0x150 [ 80.031435][ T7656] ? sendmsg_copy_msghdr+0x110/0x110 [ 80.041217][ T7656] ? find_held_lock+0x2d/0x110 [ 80.046714][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 80.053245][ T7656] ? lock_release+0x424/0x7e0 [ 80.058010][ T7656] ? __fget_files+0x193/0x2b0 [ 80.062704][ T7656] ? lock_downgrade+0x7b0/0x7b0 [ 80.067815][ T7656] ? find_held_lock+0x2d/0x110 [ 80.073412][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 80.080715][ T7656] ? lock_is_held_type+0xfa/0x130 [ 80.085732][ T7656] ? __fget_files+0x1ab/0x2b0 [ 80.090751][ T7656] ? __fget_light+0xbe/0x220 [ 80.095527][ T7656] __sys_sendmsg+0xb2/0x140 [ 80.100327][ T7656] ? __sys_sendmsg_sock+0x10/0x10 [ 80.105716][ T7656] ? check_preemption_disabled+0x36/0xd0 [ 80.111757][ T7656] ? syscall_enter_from_user_mode+0x1d/0x60 [ 80.118272][ T7656] ? lockdep_hardirqs_on+0x54/0x100 [ 80.124375][ T7656] do_syscall_64+0x2d/0x70 [ 80.129340][ T7656] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 80.135237][ T7656] RIP: 0033:0x464d29 [ 80.139265][ T7656] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 80.161484][ T7656] RSP: 002b:00007feba3c48188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.172424][ T7656] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 80.180924][ T7656] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 80.190534][ T7656] RBP: 00007feba3c481d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.199412][ T7656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.208496][ T7656] R13: 00007ffdf4fb4ecf R14: 00007feba3c48300 R15: 0000000000022000 [ 80.346237][ T7659] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 80.373383][ T7668] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 80.677104][ T7687] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 80.760675][ T7687] FAULT_INJECTION: forcing a failure. [ 80.760675][ T7687] name failslab, interval 1, probability 0, space 0, times 0 [ 80.785331][ T7687] CPU: 0 PID: 7687 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 80.794772][ T7687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.805635][ T7687] Call Trace: [ 80.809104][ T7687] dump_stack+0x10c/0x14b [ 80.814127][ T7687] should_fail.cold+0x5/0xa [ 80.818755][ T7687] should_failslab+0x5/0x10 [ 80.823510][ T7687] kmem_cache_alloc_trace+0x57/0x400 [ 80.829754][ T7687] nsim_fib_event_nb+0x141/0xa60 [ 80.835154][ T7687] ? lock_release+0x424/0x7e0 [ 80.840061][ T7687] ? call_fib_notifiers+0xc6/0x1b0 [ 80.845461][ T7687] notifier_call_chain+0x94/0x170 [ 80.851059][ T7687] atomic_notifier_call_chain+0x5d/0xf0 [ 80.856900][ T7687] call_fib_notifiers+0xec/0x1b0 [ 80.861923][ T7687] fib_notify_alias_delete+0x27d/0x360 [ 80.867934][ T7687] ? fib_route_seq_start+0x410/0x410 [ 80.873756][ T7687] ? lockdep_rtnl_is_held+0x11/0x20 [ 80.879430][ T7687] fib_table_delete+0x4ca/0xa30 [ 80.885243][ T7687] ? fib_table_lookup+0x1c90/0x1c90 [ 80.891276][ T7687] fib_magic+0x2ad/0x460 [ 80.895890][ T7687] ? fib_new_table+0x3f0/0x3f0 [ 80.902012][ T7687] ? lock_release+0x7e0/0x7e0 [ 80.907148][ T7687] ? inet_fill_ifaddr+0x707/0xc00 [ 80.912689][ T7687] fib_del_ifaddr+0x94b/0xf90 [ 80.918462][ T7687] fib_inetaddr_event+0x9a/0x260 [ 80.923909][ T7687] notifier_call_chain+0x94/0x170 [ 80.929281][ T7687] blocking_notifier_call_chain+0x5d/0x80 [ 80.935510][ T7687] __inet_del_ifa+0x3af/0xce0 [ 80.941175][ T7687] ? lock_is_held_type+0xfa/0x130 [ 80.947219][ T7687] ? check_preemption_disabled+0x36/0xd0 [ 80.953364][ T7687] ? lock_is_held_type+0xfa/0x130 [ 80.958607][ T7687] inetdev_event+0x4ea/0x1190 [ 80.964483][ T7687] ? devinet_init_net+0x5b0/0x5b0 [ 80.970074][ T7687] ? _raw_spin_unlock_irqrestore+0x2d/0x85 [ 80.976451][ T7687] ? skb_dequeue+0x110/0x1a0 [ 80.981599][ T7687] notifier_call_chain+0x94/0x170 [ 80.987061][ T7687] dev_change_net_namespace+0x22e/0x1000 [ 80.993215][ T7687] ? lock_downgrade+0x7b0/0x7b0 [ 80.998715][ T7687] ? check_preemption_disabled+0x36/0xd0 [ 81.004953][ T7687] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 81.010996][ T7687] ? security_capable+0x4c/0x90 [ 81.016980][ T7687] ? ns_capable+0x53/0xc0 [ 81.021523][ T7687] do_setlink+0x16b/0x2f10 [ 81.026451][ T7687] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 81.034670][ T7687] ? unwind_get_return_address+0x51/0x90 [ 81.041206][ T7687] ? rtnl_getlink+0x930/0x930 [ 81.046278][ T7687] ? mark_lock+0xf0/0x15f0 [ 81.052178][ T7687] ? __lock_acquire+0xbc5/0x5050 [ 81.057853][ T7687] ? lock_chain_count+0x20/0x20 [ 81.063240][ T7687] ? memset+0x20/0x40 [ 81.068160][ T7687] ? __nla_validate_parse+0xb2/0x1fd0 [ 81.073822][ T7687] ? nla_get_range_signed+0x540/0x540 [ 81.080264][ T7687] __rtnl_newlink+0xab2/0x1350 [ 81.086274][ T7687] ? check_preemption_disabled+0x36/0xd0 [ 81.093461][ T7687] ? rtnl_setlink+0x320/0x320 [ 81.098549][ T7687] ? lock_release+0x424/0x7e0 [ 81.104381][ T7687] ? is_bpf_text_address+0x5f/0xe0 [ 81.111162][ T7687] ? is_bpf_text_address+0x77/0xe0 [ 81.116548][ T7687] ? kernel_text_address+0xbd/0xf0 [ 81.121861][ T7687] ? __kernel_text_address+0x9/0x30 [ 81.127166][ T7687] ? unwind_get_return_address+0x51/0x90 [ 81.133441][ T7687] ? create_prof_cpu_mask+0x20/0x20 [ 81.140603][ T7687] ? arch_stack_walk+0x93/0xe0 [ 81.145903][ T7687] ? stack_trace_save+0x8c/0xc0 [ 81.151021][ T7687] ? stack_trace_consume_entry+0x160/0x160 [ 81.157667][ T7687] ? fs_reclaim_release+0x9c/0xe0 [ 81.163332][ T7687] ? lock_is_held_type+0xfa/0x130 [ 81.168785][ T7687] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 81.174628][ T7687] ? trace_kmalloc+0xbe/0xf0 [ 81.179468][ T7687] ? kmem_cache_alloc_trace+0x21c/0x400 [ 81.185002][ T7687] rtnl_newlink+0x5a/0x90 [ 81.189495][ T7687] rtnetlink_rcv_msg+0x32f/0x860 [ 81.194419][ T7687] ? rtnetlink_put_metrics+0x420/0x420 [ 81.200238][ T7687] ? check_preemption_disabled+0x36/0xd0 [ 81.206259][ T7687] ? netdev_core_pick_tx+0x290/0x290 [ 81.212005][ T7687] ? lock_acquire+0x130/0x850 [ 81.216783][ T7687] netlink_rcv_skb+0x118/0x370 [ 81.221739][ T7687] ? rtnetlink_put_metrics+0x420/0x420 [ 81.227695][ T7687] ? netlink_ack+0x9f0/0x9f0 [ 81.233018][ T7687] ? netlink_deliver_tap+0x15d/0x990 [ 81.238852][ T7687] netlink_unicast+0x42e/0x700 [ 81.243672][ T7687] ? netlink_attachskb+0x730/0x730 [ 81.249880][ T7687] ? _copy_from_iter_full+0x177/0x690 [ 81.256396][ T7687] netlink_sendmsg+0x70e/0xbe0 [ 81.261909][ T7687] ? netlink_unicast+0x700/0x700 [ 81.267484][ T7687] ? iovec_from_user+0x143/0x290 [ 81.273124][ T7687] ? netlink_unicast+0x700/0x700 [ 81.278756][ T7687] sock_sendmsg+0xab/0xe0 [ 81.283871][ T7687] ____sys_sendmsg+0x5bf/0x7a0 [ 81.289667][ T7687] ? kernel_sendmsg+0x30/0x30 [ 81.294741][ T7687] ? do_recvmmsg+0x550/0x550 [ 81.300591][ T7687] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 81.306989][ T7687] ? __might_fault+0xb5/0x160 [ 81.312381][ T7687] ___sys_sendmsg+0xd3/0x150 [ 81.317522][ T7687] ? sendmsg_copy_msghdr+0x110/0x110 [ 81.323187][ T7687] ? find_held_lock+0x2d/0x110 [ 81.328053][ T7687] ? check_preemption_disabled+0x36/0xd0 [ 81.335111][ T7687] ? lock_release+0x424/0x7e0 [ 81.341253][ T7687] ? __fget_files+0x193/0x2b0 [ 81.346395][ T7687] ? lock_downgrade+0x7b0/0x7b0 [ 81.351704][ T7687] ? find_held_lock+0x2d/0x110 [ 81.356474][ T7687] ? check_preemption_disabled+0x36/0xd0 [ 81.363059][ T7687] ? lock_is_held_type+0xfa/0x130 [ 81.369087][ T7687] ? __fget_files+0x1ab/0x2b0 [ 81.374352][ T7687] ? __fget_light+0xbe/0x220 [ 81.379350][ T7687] __sys_sendmsg+0xb2/0x140 [ 81.384659][ T7687] ? __sys_sendmsg_sock+0x10/0x10 [ 81.390905][ T7687] ? check_preemption_disabled+0x36/0xd0 [ 81.396707][ T7687] ? syscall_enter_from_user_mode+0x1d/0x60 [ 81.403498][ T7687] ? lockdep_hardirqs_on+0x54/0x100 [ 81.409270][ T7687] do_syscall_64+0x2d/0x70 [ 81.413813][ T7687] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.420790][ T7687] RIP: 0033:0x464d29 [ 81.425294][ T7687] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 81.447086][ T7687] RSP: 002b:00007fa9fca7f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.458179][ T7687] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 81.469164][ T7687] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 81.478183][ T7687] RBP: 00007fa9fca7f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 81.487017][ T7687] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 81.495480][ T7687] R13: 00007fff43d2160f R14: 00007fa9fca7f300 R15: 0000000000022000 [ 81.640375][ T7698] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 81.898149][ T7701] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 82.025247][ T7701] FAULT_INJECTION: forcing a failure. [ 82.025247][ T7701] name failslab, interval 1, probability 0, space 0, times 0 [ 82.054666][ T7701] CPU: 0 PID: 7701 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 82.064811][ T7701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.076709][ T7701] Call Trace: [ 82.080827][ T7701] dump_stack+0x10c/0x14b [ 82.085737][ T7701] should_fail.cold+0x5/0xa [ 82.090355][ T7701] should_failslab+0x5/0x10 [ 82.094867][ T7701] kmem_cache_alloc_node_trace+0x65/0x540 [ 82.101566][ T7701] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 82.107757][ T7701] __kmalloc_node_track_caller+0x38/0x60 [ 82.114014][ T7701] __alloc_skb+0x8b/0x280 [ 82.118905][ T7701] rtmsg_ifa+0x142/0x220 [ 82.123634][ T7701] ? inet_fill_ifaddr+0xc00/0xc00 [ 82.129164][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.135477][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.143810][ T7701] __inet_del_ifa+0x39b/0xce0 [ 82.148784][ T7701] ? lock_is_held_type+0xfa/0x130 [ 82.154507][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.162194][ T7701] ? lock_is_held_type+0xfa/0x130 [ 82.169359][ T7701] inetdev_event+0x4ea/0x1190 [ 82.175404][ T7701] ? devinet_init_net+0x5b0/0x5b0 [ 82.181821][ T7701] ? _raw_spin_unlock_irqrestore+0x2d/0x85 [ 82.188609][ T7701] ? skb_dequeue+0x110/0x1a0 [ 82.194234][ T7701] notifier_call_chain+0x94/0x170 [ 82.200032][ T7701] dev_change_net_namespace+0x22e/0x1000 [ 82.205885][ T7701] ? lock_downgrade+0x7b0/0x7b0 [ 82.211863][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.218091][ T7701] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 82.225069][ T7701] ? security_capable+0x4c/0x90 [ 82.231340][ T7701] ? ns_capable+0x53/0xc0 [ 82.236586][ T7701] do_setlink+0x16b/0x2f10 [ 82.243504][ T7701] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 82.251218][ T7701] ? unwind_get_return_address+0x51/0x90 [ 82.258092][ T7701] ? rtnl_getlink+0x930/0x930 [ 82.263753][ T7701] ? mark_lock+0xf0/0x15f0 [ 82.268344][ T7701] ? __lock_acquire+0xbc5/0x5050 [ 82.274826][ T7701] ? lock_chain_count+0x20/0x20 [ 82.281590][ T7701] ? memset+0x20/0x40 [ 82.286795][ T7701] ? __nla_validate_parse+0xb2/0x1fd0 [ 82.294172][ T7701] ? nla_get_range_signed+0x540/0x540 [ 82.301745][ T7701] __rtnl_newlink+0xab2/0x1350 [ 82.308323][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.316971][ T7701] ? rtnl_setlink+0x320/0x320 [ 82.323213][ T7701] ? lock_release+0x424/0x7e0 [ 82.329456][ T7701] ? is_bpf_text_address+0x5f/0xe0 [ 82.336239][ T7701] ? is_bpf_text_address+0x77/0xe0 [ 82.343365][ T7701] ? kernel_text_address+0xbd/0xf0 [ 82.349947][ T7701] ? __kernel_text_address+0x9/0x30 [ 82.355263][ T7701] ? unwind_get_return_address+0x51/0x90 [ 82.361783][ T7701] ? create_prof_cpu_mask+0x20/0x20 [ 82.368373][ T7701] ? arch_stack_walk+0x93/0xe0 [ 82.373785][ T7701] ? stack_trace_save+0x8c/0xc0 [ 82.379391][ T7701] ? stack_trace_consume_entry+0x160/0x160 [ 82.385959][ T7701] ? fs_reclaim_release+0x9c/0xe0 [ 82.391946][ T7701] ? lock_is_held_type+0xfa/0x130 [ 82.397444][ T7701] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 82.404234][ T7701] ? trace_kmalloc+0xbe/0xf0 [ 82.411514][ T7701] ? kmem_cache_alloc_trace+0x21c/0x400 [ 82.418108][ T7701] rtnl_newlink+0x5a/0x90 [ 82.423173][ T7701] rtnetlink_rcv_msg+0x32f/0x860 [ 82.428968][ T7701] ? rtnetlink_put_metrics+0x420/0x420 [ 82.435306][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.448424][ T7701] ? netdev_core_pick_tx+0x290/0x290 [ 82.457010][ T7701] ? lock_acquire+0x130/0x850 [ 82.463287][ T7701] netlink_rcv_skb+0x118/0x370 [ 82.468330][ T7701] ? rtnetlink_put_metrics+0x420/0x420 [ 82.474917][ T7701] ? netlink_ack+0x9f0/0x9f0 [ 82.481337][ T7701] ? netlink_deliver_tap+0x15d/0x990 [ 82.487522][ T7701] netlink_unicast+0x42e/0x700 [ 82.495813][ T7701] ? netlink_attachskb+0x730/0x730 [ 82.502309][ T7701] ? _copy_from_iter_full+0x177/0x690 [ 82.508904][ T7701] netlink_sendmsg+0x70e/0xbe0 [ 82.514078][ T7701] ? netlink_unicast+0x700/0x700 [ 82.521430][ T7701] ? iovec_from_user+0x143/0x290 [ 82.529184][ T7701] ? netlink_unicast+0x700/0x700 [ 82.539496][ T7701] sock_sendmsg+0xab/0xe0 [ 82.545832][ T7701] ____sys_sendmsg+0x5bf/0x7a0 [ 82.552846][ T7701] ? kernel_sendmsg+0x30/0x30 [ 82.558527][ T7701] ? do_recvmmsg+0x550/0x550 [ 82.563834][ T7701] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 82.571033][ T7701] ? __might_fault+0xb5/0x160 [ 82.576891][ T7701] ___sys_sendmsg+0xd3/0x150 [ 82.583679][ T7701] ? sendmsg_copy_msghdr+0x110/0x110 [ 82.590137][ T7701] ? find_held_lock+0x2d/0x110 [ 82.596423][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.602090][ T7701] ? lock_release+0x424/0x7e0 [ 82.607680][ T7701] ? __fget_files+0x193/0x2b0 [ 82.613213][ T7701] ? lock_downgrade+0x7b0/0x7b0 [ 82.619402][ T7701] ? find_held_lock+0x2d/0x110 [ 82.627102][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.636312][ T7701] ? lock_is_held_type+0xfa/0x130 [ 82.645316][ T7701] ? __fget_files+0x1ab/0x2b0 [ 82.653208][ T7701] ? __fget_light+0xbe/0x220 [ 82.660094][ T7701] __sys_sendmsg+0xb2/0x140 [ 82.666192][ T7701] ? __sys_sendmsg_sock+0x10/0x10 [ 82.673403][ T7701] ? check_preemption_disabled+0x36/0xd0 [ 82.682817][ T7701] ? syscall_enter_from_user_mode+0x1d/0x60 [ 82.690483][ T7701] ? lockdep_hardirqs_on+0x54/0x100 [ 82.696852][ T7701] do_syscall_64+0x2d/0x70 [ 82.702285][ T7701] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 82.709850][ T7701] RIP: 0033:0x464d29 [ 82.714496][ T7701] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 82.738882][ T7701] RSP: 002b:00007f03bed57188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.751334][ T7701] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 82.766897][ T7701] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 2021/03/13 03:36:45 executed programs: 57 [ 82.779410][ T7701] RBP: 00007f03bed571d0 R08: 0000000000000000 R09: 0000000000000000 [ 82.793717][ T7701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 82.803561][ T7701] R13: 00007ffc737f8a4f R14: 00007f03bed57300 R15: 0000000000022000 [ 82.984185][ T7710] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 83.051785][ T7715] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 83.168748][ T7719] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 83.217903][ T7723] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 83.310795][ T7723] FAULT_INJECTION: forcing a failure. [ 83.310795][ T7723] name failslab, interval 1, probability 0, space 0, times 0 [ 83.325094][ T7723] CPU: 1 PID: 7723 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 83.334978][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.346600][ T7723] Call Trace: [ 83.350270][ T7723] dump_stack+0x10c/0x14b [ 83.357894][ T7723] should_fail.cold+0x5/0xa [ 83.363550][ T7723] ? mark_held_locks+0x9f/0xe0 [ 83.368868][ T7723] should_failslab+0x5/0x10 [ 83.374041][ T7723] kmem_cache_alloc_node_trace+0x65/0x540 [ 83.380805][ T7723] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 83.386898][ T7723] __kmalloc_node_track_caller+0x38/0x60 [ 83.394132][ T7723] __alloc_skb+0x8b/0x280 [ 83.402450][ T7723] __neigh_notify+0x7f/0x110 [ 83.410188][ T7723] neigh_cleanup_and_release+0x5a/0x220 [ 83.416199][ T7723] neigh_flush_dev+0x4f4/0x800 [ 83.421819][ T7723] ? lock_release+0x424/0x7e0 [ 83.427358][ T7723] __neigh_ifdown.isra.0+0x44/0x390 [ 83.433179][ T7723] ? __local_bh_enable_ip+0x11f/0x220 [ 83.439665][ T7723] ? rt6_disable_ip+0x49d/0x6a0 [ 83.445506][ T7723] neigh_ifdown+0x7/0x10 [ 83.451541][ T7723] rt6_disable_ip+0x551/0x6a0 [ 83.458600][ T7723] ? rt6_sync_down_dev+0x110/0x110 [ 83.465028][ T7723] ? mark_lock+0xf0/0x15f0 [ 83.471466][ T7723] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 83.479931][ T7723] ? lock_chain_count+0x20/0x20 [ 83.485748][ T7723] ? add_addr+0x240/0x240 [ 83.491484][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 83.497679][ T7723] ? lock_is_held_type+0xfa/0x130 [ 83.503629][ T7723] addrconf_notify+0x3e6/0x1ca0 [ 83.509504][ T7723] ? mark_held_locks+0x9f/0xe0 [ 83.514724][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 83.521953][ T7723] ? tls_device_sk_destruct+0x610/0x610 [ 83.528399][ T7723] ? clusterip_netdev_event+0x369/0x540 [ 83.534531][ T7723] ? inet6_ifinfo_notify+0x100/0x100 [ 83.541643][ T7723] ? __local_bh_enable_ip+0x11f/0x220 [ 83.547961][ T7723] ? clusterip_netdev_event+0x369/0x540 [ 83.554780][ T7723] notifier_call_chain+0x94/0x170 [ 83.560304][ T7723] dev_close_many+0x28c/0x560 [ 83.567172][ T7723] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 83.574072][ T7723] dev_change_net_namespace+0xcb7/0x1000 [ 83.580653][ T7723] ? lock_downgrade+0x7b0/0x7b0 [ 83.587899][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 83.595899][ T7723] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 83.602686][ T7723] ? security_capable+0x4c/0x90 [ 83.608771][ T7723] ? ns_capable+0x53/0xc0 [ 83.613817][ T7723] do_setlink+0x16b/0x2f10 [ 83.618581][ T7723] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 83.625267][ T7723] ? unwind_get_return_address+0x51/0x90 [ 83.631657][ T7723] ? rtnl_getlink+0x930/0x930 [ 83.637074][ T7723] ? mark_lock+0xf0/0x15f0 [ 83.642340][ T7723] ? __lock_acquire+0xbc5/0x5050 [ 83.648855][ T7723] ? lock_chain_count+0x20/0x20 [ 83.654099][ T7723] ? memset+0x20/0x40 [ 83.658310][ T7723] ? __nla_validate_parse+0xb2/0x1fd0 [ 83.664914][ T7723] ? nla_get_range_signed+0x540/0x540 [ 83.670891][ T7723] __rtnl_newlink+0xab2/0x1350 [ 83.676288][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 83.683511][ T7723] ? rtnl_setlink+0x320/0x320 [ 83.689095][ T7723] ? lock_release+0x424/0x7e0 [ 83.694037][ T7723] ? is_bpf_text_address+0x5f/0xe0 [ 83.700715][ T7723] ? is_bpf_text_address+0x77/0xe0 [ 83.706367][ T7723] ? kernel_text_address+0xbd/0xf0 [ 83.712257][ T7723] ? __kernel_text_address+0x9/0x30 [ 83.717926][ T7723] ? unwind_get_return_address+0x51/0x90 [ 83.726254][ T7723] ? create_prof_cpu_mask+0x20/0x20 [ 83.732870][ T7723] ? arch_stack_walk+0x93/0xe0 [ 83.737966][ T7723] ? stack_trace_save+0x8c/0xc0 [ 83.745413][ T7723] ? stack_trace_consume_entry+0x160/0x160 [ 83.752915][ T7723] ? fs_reclaim_release+0x9c/0xe0 [ 83.759910][ T7723] ? lock_is_held_type+0xfa/0x130 [ 83.767162][ T7723] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 83.775205][ T7723] ? trace_kmalloc+0xbe/0xf0 [ 83.781200][ T7723] ? kmem_cache_alloc_trace+0x21c/0x400 [ 83.788295][ T7723] rtnl_newlink+0x5a/0x90 [ 83.793497][ T7723] rtnetlink_rcv_msg+0x32f/0x860 [ 83.799612][ T7723] ? rtnetlink_put_metrics+0x420/0x420 [ 83.807163][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 83.815232][ T7723] ? netdev_core_pick_tx+0x290/0x290 [ 83.821067][ T7723] ? lock_acquire+0x130/0x850 [ 83.826290][ T7723] netlink_rcv_skb+0x118/0x370 [ 83.831437][ T7723] ? rtnetlink_put_metrics+0x420/0x420 [ 83.837177][ T7723] ? netlink_ack+0x9f0/0x9f0 [ 83.843123][ T7723] ? netlink_deliver_tap+0x15d/0x990 [ 83.848873][ T7723] netlink_unicast+0x42e/0x700 [ 83.854256][ T7723] ? netlink_attachskb+0x730/0x730 [ 83.860185][ T7723] ? _copy_from_iter_full+0x177/0x690 [ 83.866848][ T7723] netlink_sendmsg+0x70e/0xbe0 [ 83.872504][ T7723] ? netlink_unicast+0x700/0x700 [ 83.878151][ T7723] ? iovec_from_user+0x143/0x290 [ 83.883509][ T7723] ? netlink_unicast+0x700/0x700 [ 83.889021][ T7723] sock_sendmsg+0xab/0xe0 [ 83.893730][ T7723] ____sys_sendmsg+0x5bf/0x7a0 [ 83.898990][ T7723] ? kernel_sendmsg+0x30/0x30 [ 83.904011][ T7723] ? do_recvmmsg+0x550/0x550 [ 83.909075][ T7723] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 83.915858][ T7723] ? __might_fault+0xb5/0x160 [ 83.921290][ T7723] ___sys_sendmsg+0xd3/0x150 [ 83.926074][ T7723] ? sendmsg_copy_msghdr+0x110/0x110 [ 83.931815][ T7723] ? find_held_lock+0x2d/0x110 [ 83.937348][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 83.943265][ T7723] ? lock_release+0x424/0x7e0 [ 83.948335][ T7723] ? __fget_files+0x193/0x2b0 [ 83.953832][ T7723] ? lock_downgrade+0x7b0/0x7b0 [ 83.959317][ T7723] ? find_held_lock+0x2d/0x110 [ 83.964890][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 83.971437][ T7723] ? lock_is_held_type+0xfa/0x130 [ 83.976778][ T7723] ? __fget_files+0x1ab/0x2b0 [ 83.982480][ T7723] ? __fget_light+0xbe/0x220 [ 83.987252][ T7723] __sys_sendmsg+0xb2/0x140 [ 83.992281][ T7723] ? __sys_sendmsg_sock+0x10/0x10 [ 83.997603][ T7723] ? check_preemption_disabled+0x36/0xd0 [ 84.003854][ T7723] ? syscall_enter_from_user_mode+0x1d/0x60 [ 84.010053][ T7723] ? lockdep_hardirqs_on+0x54/0x100 [ 84.015418][ T7723] do_syscall_64+0x2d/0x70 [ 84.020873][ T7723] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.027089][ T7723] RIP: 0033:0x464d29 [ 84.031582][ T7723] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 84.059411][ T7723] RSP: 002b:00007feba3c8a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.068877][ T7723] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 84.078665][ T7723] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 84.089079][ T7723] RBP: 00007feba3c8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.097631][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.106554][ T7723] R13: 00007ffdf4fb4ecf R14: 00007feba3c8a300 R15: 0000000000022000 [ 84.367759][ T7726] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 84.393026][ T7730] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 84.677350][ T7760] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 84.720351][ T7762] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 84.862404][ T7762] FAULT_INJECTION: forcing a failure. [ 84.862404][ T7762] name failslab, interval 1, probability 0, space 0, times 0 [ 84.887872][ T7762] CPU: 0 PID: 7762 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 84.897118][ T7762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.908871][ T7762] Call Trace: [ 84.912485][ T7762] dump_stack+0x10c/0x14b [ 84.916904][ T7762] should_fail.cold+0x5/0xa [ 84.921509][ T7762] should_failslab+0x5/0x10 [ 84.926261][ T7762] kmem_cache_alloc_trace+0x57/0x400 [ 84.932074][ T7762] ? lockdep_hardirqs_on+0x54/0x100 [ 84.937659][ T7762] kobject_uevent_env+0x1bd/0xf50 [ 84.942954][ T7762] ? check_preemption_disabled+0x36/0xd0 [ 84.949383][ T7762] ? __local_bh_enable_ip+0x11f/0x220 [ 84.954836][ T7762] ? dev_change_net_namespace+0x4d7/0x1000 [ 84.960818][ T7762] ? lockdep_hardirqs_on+0x54/0x100 [ 84.966856][ T7762] dev_change_net_namespace+0x9c3/0x1000 [ 84.973284][ T7762] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 84.978895][ T7762] ? security_capable+0x4c/0x90 [ 84.983979][ T7762] ? ns_capable+0x53/0xc0 [ 84.988775][ T7762] do_setlink+0x16b/0x2f10 [ 84.993731][ T7762] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 85.000045][ T7762] ? unwind_get_return_address+0x51/0x90 [ 85.006411][ T7762] ? rtnl_getlink+0x930/0x930 [ 85.011769][ T7762] ? mark_lock+0xf0/0x15f0 [ 85.017006][ T7762] ? __lock_acquire+0xbc5/0x5050 [ 85.022660][ T7762] ? lock_chain_count+0x20/0x20 [ 85.027892][ T7762] ? memset+0x20/0x40 [ 85.032866][ T7762] ? __nla_validate_parse+0xb2/0x1fd0 [ 85.045620][ T7762] ? nla_get_range_signed+0x540/0x540 [ 85.052756][ T7762] __rtnl_newlink+0xab2/0x1350 [ 85.059188][ T7762] ? check_preemption_disabled+0x36/0xd0 [ 85.066790][ T7762] ? rtnl_setlink+0x320/0x320 [ 85.073145][ T7762] ? lock_release+0x424/0x7e0 [ 85.079659][ T7762] ? is_bpf_text_address+0x5f/0xe0 [ 85.086165][ T7762] ? is_bpf_text_address+0x77/0xe0 [ 85.092911][ T7762] ? kernel_text_address+0xbd/0xf0 [ 85.098641][ T7762] ? __kernel_text_address+0x9/0x30 [ 85.104219][ T7762] ? unwind_get_return_address+0x51/0x90 [ 85.110730][ T7762] ? create_prof_cpu_mask+0x20/0x20 [ 85.117122][ T7762] ? arch_stack_walk+0x93/0xe0 [ 85.122760][ T7762] ? stack_trace_save+0x8c/0xc0 [ 85.129192][ T7762] ? stack_trace_consume_entry+0x160/0x160 [ 85.136730][ T7762] ? fs_reclaim_release+0x9c/0xe0 [ 85.142768][ T7762] ? lock_is_held_type+0xfa/0x130 [ 85.148279][ T7762] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 85.154656][ T7762] ? trace_kmalloc+0xbe/0xf0 [ 85.159978][ T7762] ? kmem_cache_alloc_trace+0x21c/0x400 [ 85.167266][ T7762] rtnl_newlink+0x5a/0x90 [ 85.172698][ T7762] rtnetlink_rcv_msg+0x32f/0x860 [ 85.177734][ T7762] ? rtnetlink_put_metrics+0x420/0x420 [ 85.183581][ T7762] ? check_preemption_disabled+0x36/0xd0 [ 85.189825][ T7762] ? lock_acquire+0x222/0x850 [ 85.195140][ T7762] netlink_rcv_skb+0x118/0x370 [ 85.200474][ T7762] ? rtnetlink_put_metrics+0x420/0x420 [ 85.207161][ T7762] ? netlink_ack+0x9f0/0x9f0 [ 85.213033][ T7762] ? netlink_deliver_tap+0x15d/0x990 [ 85.219329][ T7762] netlink_unicast+0x42e/0x700 [ 85.225081][ T7762] ? netlink_attachskb+0x730/0x730 [ 85.233237][ T7762] ? _copy_from_iter_full+0x177/0x690 [ 85.242050][ T7762] netlink_sendmsg+0x70e/0xbe0 [ 85.248042][ T7762] ? netlink_unicast+0x700/0x700 [ 85.254224][ T7762] ? iovec_from_user+0x143/0x290 [ 85.259803][ T7762] ? netlink_unicast+0x700/0x700 [ 85.265610][ T7762] sock_sendmsg+0xab/0xe0 [ 85.270116][ T7762] ____sys_sendmsg+0x5bf/0x7a0 [ 85.275444][ T7762] ? kernel_sendmsg+0x30/0x30 [ 85.280146][ T7762] ? do_recvmmsg+0x550/0x550 [ 85.285065][ T7762] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 85.291616][ T7762] ? __might_fault+0xb5/0x160 [ 85.297005][ T7762] ___sys_sendmsg+0xd3/0x150 [ 85.302037][ T7762] ? sendmsg_copy_msghdr+0x110/0x110 [ 85.307635][ T7762] ? find_held_lock+0x2d/0x110 [ 85.313044][ T7762] ? check_preemption_disabled+0x36/0xd0 [ 85.319826][ T7762] ? lock_release+0x424/0x7e0 [ 85.324679][ T7762] ? __fget_files+0x193/0x2b0 [ 85.330045][ T7762] ? lock_downgrade+0x7b0/0x7b0 [ 85.337039][ T7762] ? find_held_lock+0x2d/0x110 [ 85.342389][ T7762] ? check_preemption_disabled+0x36/0xd0 [ 85.350034][ T7762] ? lock_is_held_type+0xfa/0x130 [ 85.355564][ T7762] ? __fget_files+0x1ab/0x2b0 [ 85.360631][ T7762] ? __fget_light+0xbe/0x220 [ 85.366230][ T7762] __sys_sendmsg+0xb2/0x140 [ 85.371203][ T7762] ? __sys_sendmsg_sock+0x10/0x10 [ 85.376321][ T7762] ? check_preemption_disabled+0x36/0xd0 [ 85.382515][ T7762] ? syscall_enter_from_user_mode+0x1d/0x60 [ 85.388516][ T7762] ? lockdep_hardirqs_on+0x54/0x100 [ 85.394539][ T7762] do_syscall_64+0x2d/0x70 [ 85.399508][ T7762] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 85.405907][ T7762] RIP: 0033:0x464d29 [ 85.410869][ T7762] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 85.433536][ T7762] RSP: 002b:00007fa9fca7f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.444520][ T7762] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 85.455018][ T7762] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 85.464334][ T7762] RBP: 00007fa9fca7f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 85.472903][ T7762] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 85.483861][ T7762] R13: 00007fff43d2160f R14: 00007fa9fca7f300 R15: 0000000000022000 [ 85.523592][ T7762] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.532899][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.543247][ T7390] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 85.777031][ T7775] FAULT_INJECTION: forcing a failure. [ 85.777031][ T7775] name failslab, interval 1, probability 0, space 0, times 0 [ 85.791544][ T7775] CPU: 0 PID: 7775 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 85.801283][ T7775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.811919][ T7775] Call Trace: [ 85.815462][ T7775] dump_stack+0x10c/0x14b [ 85.819828][ T7775] should_fail.cold+0x5/0xa [ 85.825892][ T7775] ? mark_held_locks+0x9f/0xe0 [ 85.831630][ T7775] should_failslab+0x5/0x10 [ 85.836749][ T7775] kmem_cache_alloc_node_trace+0x65/0x540 [ 85.843979][ T7775] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 85.851261][ T7775] __kmalloc_node_track_caller+0x38/0x60 [ 85.857556][ T7775] __alloc_skb+0x8b/0x280 [ 85.862061][ T7775] __neigh_notify+0x7f/0x110 [ 85.866834][ T7775] neigh_cleanup_and_release+0x5a/0x220 [ 85.872551][ T7775] neigh_flush_dev+0x4f4/0x800 [ 85.878032][ T7775] ? lock_release+0x424/0x7e0 [ 85.883288][ T7775] __neigh_ifdown.isra.0+0x44/0x390 [ 85.889236][ T7775] ? __local_bh_enable_ip+0x11f/0x220 [ 85.895470][ T7775] ? rt6_disable_ip+0x49d/0x6a0 [ 85.900692][ T7775] neigh_ifdown+0x7/0x10 [ 85.905420][ T7775] rt6_disable_ip+0x551/0x6a0 [ 85.910918][ T7775] ? rt6_sync_down_dev+0x110/0x110 [ 85.916737][ T7775] ? mark_lock+0xf0/0x15f0 [ 85.921579][ T7775] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 85.927053][ T7775] ? lock_chain_count+0x20/0x20 [ 85.932045][ T7775] ? add_addr+0x240/0x240 [ 85.936927][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 85.943105][ T7775] ? lock_is_held_type+0xfa/0x130 [ 85.949476][ T7775] addrconf_notify+0x3e6/0x1ca0 [ 85.955165][ T7775] ? mark_held_locks+0x9f/0xe0 [ 85.960728][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 85.967319][ T7775] ? tls_device_sk_destruct+0x610/0x610 [ 85.973390][ T7775] ? clusterip_netdev_event+0x369/0x540 [ 85.981326][ T7775] ? inet6_ifinfo_notify+0x100/0x100 [ 85.987663][ T7775] ? __local_bh_enable_ip+0x11f/0x220 [ 85.994511][ T7775] ? clusterip_netdev_event+0x369/0x540 [ 86.001238][ T7775] notifier_call_chain+0x94/0x170 [ 86.006884][ T7775] dev_close_many+0x28c/0x560 [ 86.012474][ T7775] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 86.019801][ T7775] dev_change_net_namespace+0xcb7/0x1000 [ 86.027084][ T7775] ? lock_downgrade+0x7b0/0x7b0 [ 86.035331][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 86.042578][ T7775] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 86.048239][ T7775] ? security_capable+0x4c/0x90 [ 86.053674][ T7775] ? ns_capable+0x53/0xc0 [ 86.058545][ T7775] do_setlink+0x16b/0x2f10 [ 86.063149][ T7775] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 86.069396][ T7775] ? unwind_get_return_address+0x51/0x90 [ 86.076929][ T7775] ? rtnl_getlink+0x930/0x930 [ 86.082195][ T7775] ? mark_lock+0xf0/0x15f0 [ 86.087239][ T7775] ? __lock_acquire+0xbc5/0x5050 [ 86.093317][ T7775] ? lock_chain_count+0x20/0x20 [ 86.098344][ T7775] ? memset+0x20/0x40 [ 86.102622][ T7775] ? __nla_validate_parse+0xb2/0x1fd0 [ 86.108213][ T7775] ? nla_get_range_signed+0x540/0x540 [ 86.113992][ T7775] __rtnl_newlink+0xab2/0x1350 [ 86.120189][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 86.126429][ T7775] ? rtnl_setlink+0x320/0x320 [ 86.132025][ T7775] ? lock_release+0x424/0x7e0 [ 86.137263][ T7775] ? is_bpf_text_address+0x5f/0xe0 [ 86.143105][ T7775] ? is_bpf_text_address+0x77/0xe0 [ 86.149332][ T7775] ? kernel_text_address+0xbd/0xf0 [ 86.156034][ T7775] ? __kernel_text_address+0x9/0x30 [ 86.161622][ T7775] ? unwind_get_return_address+0x51/0x90 [ 86.168263][ T7775] ? create_prof_cpu_mask+0x20/0x20 [ 86.174170][ T7775] ? arch_stack_walk+0x93/0xe0 [ 86.180608][ T7775] ? stack_trace_save+0x8c/0xc0 [ 86.186695][ T7775] ? stack_trace_consume_entry+0x160/0x160 [ 86.193078][ T7775] ? fs_reclaim_release+0x9c/0xe0 [ 86.198930][ T7775] ? lock_is_held_type+0xfa/0x130 [ 86.204690][ T7775] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 86.210677][ T7775] ? trace_kmalloc+0xbe/0xf0 [ 86.215583][ T7775] ? kmem_cache_alloc_trace+0x21c/0x400 [ 86.221525][ T7775] rtnl_newlink+0x5a/0x90 [ 86.226368][ T7775] rtnetlink_rcv_msg+0x32f/0x860 [ 86.231717][ T7775] ? rtnetlink_put_metrics+0x420/0x420 [ 86.237670][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 86.244155][ T7775] ? netdev_core_pick_tx+0x290/0x290 [ 86.250161][ T7775] ? lock_acquire+0x130/0x850 [ 86.255765][ T7775] netlink_rcv_skb+0x118/0x370 [ 86.260902][ T7775] ? rtnetlink_put_metrics+0x420/0x420 [ 86.266896][ T7775] ? netlink_ack+0x9f0/0x9f0 [ 86.271765][ T7775] ? netlink_deliver_tap+0x15d/0x990 [ 86.278513][ T7775] netlink_unicast+0x42e/0x700 [ 86.285504][ T7775] ? netlink_attachskb+0x730/0x730 [ 86.294373][ T7775] ? _copy_from_iter_full+0x177/0x690 [ 86.301766][ T7775] netlink_sendmsg+0x70e/0xbe0 [ 86.306889][ T7775] ? netlink_unicast+0x700/0x700 [ 86.312710][ T7775] ? iovec_from_user+0x143/0x290 [ 86.318042][ T7775] ? netlink_unicast+0x700/0x700 [ 86.323334][ T7775] sock_sendmsg+0xab/0xe0 [ 86.328130][ T7775] ____sys_sendmsg+0x5bf/0x7a0 [ 86.333191][ T7775] ? kernel_sendmsg+0x30/0x30 [ 86.339037][ T7775] ? do_recvmmsg+0x550/0x550 [ 86.344312][ T7775] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 86.350793][ T7775] ? __might_fault+0xb5/0x160 [ 86.356536][ T7775] ___sys_sendmsg+0xd3/0x150 [ 86.361591][ T7775] ? sendmsg_copy_msghdr+0x110/0x110 [ 86.367608][ T7775] ? find_held_lock+0x2d/0x110 [ 86.372578][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 86.378570][ T7775] ? lock_release+0x424/0x7e0 [ 86.383447][ T7775] ? __fget_files+0x193/0x2b0 [ 86.389403][ T7775] ? lock_downgrade+0x7b0/0x7b0 [ 86.395495][ T7775] ? find_held_lock+0x2d/0x110 [ 86.400809][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 86.407815][ T7775] ? lock_is_held_type+0xfa/0x130 [ 86.413493][ T7775] ? __fget_files+0x1ab/0x2b0 [ 86.418850][ T7775] ? __fget_light+0xbe/0x220 [ 86.423945][ T7775] __sys_sendmsg+0xb2/0x140 [ 86.428620][ T7775] ? __sys_sendmsg_sock+0x10/0x10 [ 86.433751][ T7775] ? check_preemption_disabled+0x36/0xd0 [ 86.440540][ T7775] ? syscall_enter_from_user_mode+0x1d/0x60 [ 86.446781][ T7775] ? lockdep_hardirqs_on+0x54/0x100 [ 86.452242][ T7775] do_syscall_64+0x2d/0x70 [ 86.457280][ T7775] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 86.463642][ T7775] RIP: 0033:0x464d29 [ 86.467897][ T7775] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 86.489965][ T7775] RSP: 002b:00007feba3c8a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.500051][ T7775] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 86.509419][ T7775] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 86.518072][ T7775] RBP: 00007feba3c8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 86.526507][ T7775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 86.535160][ T7775] R13: 00007ffdf4fb4ecf R14: 00007feba3c8a300 R15: 0000000000022000 [ 86.812923][ T7782] __nla_validate_parse: 3 callbacks suppressed [ 86.812934][ T7782] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 86.847741][ T7786] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 86.985250][ T7788] FAULT_INJECTION: forcing a failure. [ 86.985250][ T7788] name failslab, interval 1, probability 0, space 0, times 0 [ 87.002663][ T7788] CPU: 0 PID: 7788 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 87.012470][ T7788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.023999][ T7788] Call Trace: [ 87.027436][ T7788] dump_stack+0x10c/0x14b [ 87.031887][ T7788] should_fail.cold+0x5/0xa [ 87.038532][ T7788] ? mark_held_locks+0x9f/0xe0 [ 87.045043][ T7788] should_failslab+0x5/0x10 [ 87.050724][ T7788] kmem_cache_alloc_node_trace+0x65/0x540 [ 87.057556][ T7788] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 87.063468][ T7788] __kmalloc_node_track_caller+0x38/0x60 [ 87.070654][ T7788] __alloc_skb+0x8b/0x280 [ 87.075699][ T7788] inet6_ifa_notify+0x112/0x1e0 [ 87.080977][ T7788] ? inet6_fill_ifaddr+0xba0/0xba0 [ 87.086891][ T7788] ? lock_release+0x424/0x7e0 [ 87.092593][ T7788] __ipv6_ifa_notify+0x13f/0x910 [ 87.098152][ T7788] ? modify_prefix_route+0x4f0/0x4f0 [ 87.104687][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.110855][ T7788] ? __local_bh_enable_ip+0x11f/0x220 [ 87.116809][ T7788] ? addrconf_ifdown.isra.0+0x797/0x10e0 [ 87.124409][ T7788] addrconf_ifdown.isra.0+0x7ae/0x10e0 [ 87.131007][ T7788] ? add_addr+0x240/0x240 [ 87.136171][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.147614][ T7788] ? lock_is_held_type+0xfa/0x130 [ 87.153104][ T7788] addrconf_notify+0x3e6/0x1ca0 [ 87.158316][ T7788] ? mark_held_locks+0x9f/0xe0 [ 87.165000][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.172894][ T7788] ? tls_device_sk_destruct+0x610/0x610 [ 87.181429][ T7788] ? clusterip_netdev_event+0x369/0x540 [ 87.188370][ T7788] ? inet6_ifinfo_notify+0x100/0x100 [ 87.196427][ T7788] ? __local_bh_enable_ip+0x11f/0x220 [ 87.203994][ T7788] ? clusterip_netdev_event+0x369/0x540 [ 87.210537][ T7788] notifier_call_chain+0x94/0x170 [ 87.216527][ T7788] dev_close_many+0x28c/0x560 [ 87.222893][ T7788] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 87.230757][ T7788] dev_change_net_namespace+0xcb7/0x1000 [ 87.238488][ T7788] ? lock_downgrade+0x7b0/0x7b0 [ 87.244326][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.251292][ T7788] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 87.257370][ T7788] ? security_capable+0x4c/0x90 [ 87.264111][ T7788] ? ns_capable+0x53/0xc0 [ 87.270959][ T7788] do_setlink+0x16b/0x2f10 [ 87.275910][ T7788] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 87.283950][ T7788] ? unwind_get_return_address+0x51/0x90 [ 87.290703][ T7788] ? rtnl_getlink+0x930/0x930 [ 87.297069][ T7788] ? mark_lock+0xf0/0x15f0 [ 87.301684][ T7788] ? __lock_acquire+0xbc5/0x5050 [ 87.307818][ T7788] ? lock_chain_count+0x20/0x20 [ 87.313405][ T7788] ? mark_lock+0xf0/0x15f0 [ 87.318287][ T7788] ? memset+0x20/0x40 [ 87.323705][ T7788] ? __nla_validate_parse+0xb2/0x1fd0 [ 87.329805][ T7788] ? nla_get_range_signed+0x540/0x540 [ 87.335183][ T7788] __rtnl_newlink+0xab2/0x1350 [ 87.340940][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.349707][ T7788] ? rtnl_setlink+0x320/0x320 [ 87.354858][ T7788] ? lock_release+0x424/0x7e0 [ 87.362052][ T7788] ? is_bpf_text_address+0x5f/0xe0 [ 87.367737][ T7788] ? is_bpf_text_address+0x77/0xe0 [ 87.373853][ T7788] ? kernel_text_address+0xbd/0xf0 [ 87.380490][ T7788] ? __kernel_text_address+0x9/0x30 [ 87.386587][ T7788] ? unwind_get_return_address+0x51/0x90 [ 87.393921][ T7788] ? create_prof_cpu_mask+0x20/0x20 [ 87.400536][ T7788] ? arch_stack_walk+0x93/0xe0 [ 87.407441][ T7788] ? stack_trace_save+0x8c/0xc0 [ 87.413785][ T7788] ? stack_trace_consume_entry+0x160/0x160 [ 87.421651][ T7788] ? fs_reclaim_release+0x9c/0xe0 [ 87.427538][ T7788] ? lock_is_held_type+0xfa/0x130 [ 87.432835][ T7788] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 87.438664][ T7788] ? trace_kmalloc+0xbe/0xf0 [ 87.444366][ T7788] ? kmem_cache_alloc_trace+0x21c/0x400 [ 87.453101][ T7788] rtnl_newlink+0x5a/0x90 [ 87.460195][ T7788] rtnetlink_rcv_msg+0x32f/0x860 [ 87.467023][ T7788] ? rtnetlink_put_metrics+0x420/0x420 [ 87.477207][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.485362][ T7788] ? netdev_core_pick_tx+0x290/0x290 [ 87.493578][ T7788] ? lock_acquire+0x130/0x850 [ 87.499910][ T7788] netlink_rcv_skb+0x118/0x370 [ 87.505737][ T7788] ? rtnetlink_put_metrics+0x420/0x420 [ 87.512629][ T7788] ? netlink_ack+0x9f0/0x9f0 [ 87.517665][ T7788] ? netlink_deliver_tap+0x15d/0x990 [ 87.524299][ T7788] netlink_unicast+0x42e/0x700 [ 87.530965][ T7788] ? netlink_attachskb+0x730/0x730 [ 87.537135][ T7788] ? _copy_from_iter_full+0x177/0x690 [ 87.544865][ T7788] netlink_sendmsg+0x70e/0xbe0 [ 87.551418][ T7788] ? netlink_unicast+0x700/0x700 [ 87.557792][ T7788] ? iovec_from_user+0x143/0x290 [ 87.563885][ T7788] ? netlink_unicast+0x700/0x700 [ 87.569172][ T7788] sock_sendmsg+0xab/0xe0 [ 87.573836][ T7788] ____sys_sendmsg+0x5bf/0x7a0 [ 87.580392][ T7788] ? kernel_sendmsg+0x30/0x30 [ 87.585499][ T7788] ? do_recvmmsg+0x550/0x550 [ 87.592332][ T7788] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 87.598827][ T7788] ? __might_fault+0xb5/0x160 [ 87.603961][ T7788] ___sys_sendmsg+0xd3/0x150 [ 87.609997][ T7788] ? sendmsg_copy_msghdr+0x110/0x110 [ 87.615748][ T7788] ? find_held_lock+0x2d/0x110 [ 87.621099][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.627138][ T7788] ? lock_release+0x424/0x7e0 [ 87.632769][ T7788] ? __fget_files+0x193/0x2b0 [ 87.637450][ T7788] ? lock_downgrade+0x7b0/0x7b0 [ 87.642625][ T7788] ? find_held_lock+0x2d/0x110 [ 87.648132][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.654856][ T7788] ? lock_is_held_type+0xfa/0x130 [ 87.661068][ T7788] ? __fget_files+0x1ab/0x2b0 [ 87.667418][ T7788] ? __fget_light+0xbe/0x220 [ 87.674274][ T7788] __sys_sendmsg+0xb2/0x140 [ 87.679836][ T7788] ? __sys_sendmsg_sock+0x10/0x10 [ 87.687487][ T7788] ? check_preemption_disabled+0x36/0xd0 [ 87.694103][ T7788] ? syscall_enter_from_user_mode+0x1d/0x60 [ 87.701594][ T7788] ? lockdep_hardirqs_on+0x54/0x100 [ 87.707104][ T7788] do_syscall_64+0x2d/0x70 [ 87.712479][ T7788] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.719138][ T7788] RIP: 0033:0x464d29 [ 87.724239][ T7788] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 87.745909][ T7788] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.755293][ T7788] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 87.764582][ T7788] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 87.773298][ T7788] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 87.782629][ T7788] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 87.791204][ T7788] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 2021/03/13 03:36:51 executed programs: 70 [ 88.066930][ T7792] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 88.087846][ T7795] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.264282][ T7796] FAULT_INJECTION: forcing a failure. [ 88.264282][ T7796] name failslab, interval 1, probability 0, space 0, times 0 [ 88.279378][ T7796] CPU: 1 PID: 7796 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 88.290297][ T7796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.301782][ T7796] Call Trace: [ 88.305162][ T7796] dump_stack+0x10c/0x14b [ 88.311161][ T7796] should_fail.cold+0x5/0xa [ 88.316885][ T7796] ? mark_held_locks+0x9f/0xe0 [ 88.322769][ T7796] should_failslab+0x5/0x10 [ 88.328652][ T7796] kmem_cache_alloc_node_trace+0x65/0x540 [ 88.335716][ T7796] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 88.342021][ T7796] __kmalloc_node_track_caller+0x38/0x60 [ 88.349475][ T7796] __alloc_skb+0x8b/0x280 [ 88.354996][ T7796] __neigh_notify+0x7f/0x110 [ 88.360196][ T7796] neigh_cleanup_and_release+0x5a/0x220 [ 88.366679][ T7796] neigh_flush_dev+0x4f4/0x800 [ 88.372274][ T7796] ? lock_release+0x424/0x7e0 [ 88.378136][ T7796] __neigh_ifdown.isra.0+0x44/0x390 [ 88.384593][ T7796] ? __local_bh_enable_ip+0x11f/0x220 [ 88.391616][ T7796] ? rt6_disable_ip+0x49d/0x6a0 [ 88.397551][ T7796] neigh_ifdown+0x7/0x10 [ 88.401973][ T7796] rt6_disable_ip+0x551/0x6a0 [ 88.406925][ T7796] ? rt6_sync_down_dev+0x110/0x110 [ 88.412740][ T7796] ? mark_lock+0xf0/0x15f0 [ 88.417912][ T7796] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 88.423595][ T7796] ? lock_chain_count+0x20/0x20 [ 88.429621][ T7796] ? add_addr+0x240/0x240 [ 88.435031][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.441681][ T7796] ? lock_is_held_type+0xfa/0x130 [ 88.447306][ T7796] addrconf_notify+0x3e6/0x1ca0 [ 88.452759][ T7796] ? mark_held_locks+0x9f/0xe0 [ 88.458001][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.463894][ T7796] ? tls_device_sk_destruct+0x610/0x610 [ 88.470317][ T7796] ? clusterip_netdev_event+0x369/0x540 [ 88.476352][ T7796] ? inet6_ifinfo_notify+0x100/0x100 [ 88.482260][ T7796] ? __local_bh_enable_ip+0x11f/0x220 [ 88.488928][ T7796] ? clusterip_netdev_event+0x369/0x540 [ 88.495145][ T7796] notifier_call_chain+0x94/0x170 [ 88.502047][ T7796] dev_close_many+0x28c/0x560 [ 88.507631][ T7796] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 88.513768][ T7796] dev_change_net_namespace+0xcb7/0x1000 [ 88.520189][ T7796] ? lock_downgrade+0x7b0/0x7b0 [ 88.525371][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.532114][ T7796] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 88.538429][ T7796] ? security_capable+0x4c/0x90 [ 88.543558][ T7796] ? ns_capable+0x53/0xc0 [ 88.548249][ T7796] do_setlink+0x16b/0x2f10 [ 88.553243][ T7796] ? rtnl_getlink+0x930/0x930 [ 88.558682][ T7796] ? mark_lock+0xf0/0x15f0 [ 88.563558][ T7796] ? lock_chain_count+0x20/0x20 [ 88.568693][ T7796] ? mark_lock+0xf0/0x15f0 [ 88.573809][ T7796] ? mark_lock+0xf0/0x15f0 [ 88.578649][ T7796] ? update_sd_lb_stats.constprop.0+0x27d0/0x27d0 [ 88.587040][ T7796] ? memset+0x20/0x40 [ 88.592347][ T7796] ? __nla_validate_parse+0xb2/0x1fd0 [ 88.598227][ T7796] ? nla_get_range_signed+0x540/0x540 [ 88.604858][ T7796] __rtnl_newlink+0xab2/0x1350 [ 88.610737][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.617235][ T7796] ? rtnl_setlink+0x320/0x320 [ 88.622153][ T7796] ? lock_release+0x424/0x7e0 [ 88.626986][ T7796] ? is_bpf_text_address+0x5f/0xe0 [ 88.632722][ T7796] ? is_bpf_text_address+0x77/0xe0 [ 88.638092][ T7796] ? kernel_text_address+0xbd/0xf0 [ 88.643274][ T7796] ? __kernel_text_address+0x9/0x30 [ 88.649554][ T7796] ? unwind_get_return_address+0x51/0x90 [ 88.656374][ T7796] ? create_prof_cpu_mask+0x20/0x20 [ 88.662093][ T7796] ? arch_stack_walk+0x93/0xe0 [ 88.667236][ T7796] ? stack_trace_save+0x8c/0xc0 [ 88.672527][ T7796] ? stack_trace_consume_entry+0x160/0x160 [ 88.678729][ T7796] ? fs_reclaim_release+0x9c/0xe0 [ 88.684091][ T7796] ? lock_is_held_type+0xfa/0x130 [ 88.689976][ T7796] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 88.696218][ T7796] ? trace_kmalloc+0xbe/0xf0 [ 88.701354][ T7796] ? kmem_cache_alloc_trace+0x21c/0x400 [ 88.707413][ T7796] rtnl_newlink+0x5a/0x90 [ 88.711834][ T7796] rtnetlink_rcv_msg+0x32f/0x860 [ 88.716755][ T7796] ? rtnetlink_put_metrics+0x420/0x420 [ 88.722472][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.728377][ T7796] ? lock_acquire+0x222/0x850 [ 88.733315][ T7796] netlink_rcv_skb+0x118/0x370 [ 88.738413][ T7796] ? rtnetlink_put_metrics+0x420/0x420 [ 88.744333][ T7796] ? netlink_ack+0x9f0/0x9f0 [ 88.749385][ T7796] ? netlink_deliver_tap+0x15d/0x990 [ 88.755558][ T7796] netlink_unicast+0x42e/0x700 [ 88.760333][ T7796] ? netlink_attachskb+0x730/0x730 [ 88.766503][ T7796] ? _copy_from_iter_full+0x177/0x690 [ 88.773211][ T7796] netlink_sendmsg+0x70e/0xbe0 [ 88.778346][ T7796] ? netlink_unicast+0x700/0x700 [ 88.783528][ T7796] ? iovec_from_user+0x143/0x290 [ 88.788808][ T7796] ? netlink_unicast+0x700/0x700 [ 88.794341][ T7796] sock_sendmsg+0xab/0xe0 [ 88.799101][ T7796] ____sys_sendmsg+0x5bf/0x7a0 [ 88.804139][ T7796] ? kernel_sendmsg+0x30/0x30 [ 88.809166][ T7796] ? do_recvmmsg+0x550/0x550 [ 88.814084][ T7796] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 88.820760][ T7796] ? __might_fault+0xb5/0x160 [ 88.825993][ T7796] ___sys_sendmsg+0xd3/0x150 [ 88.831211][ T7796] ? sendmsg_copy_msghdr+0x110/0x110 [ 88.837533][ T7796] ? find_held_lock+0x2d/0x110 [ 88.842732][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.848649][ T7796] ? lock_release+0x424/0x7e0 [ 88.853307][ T7796] ? __fget_files+0x193/0x2b0 [ 88.858685][ T7796] ? lock_downgrade+0x7b0/0x7b0 [ 88.863594][ T7796] ? find_held_lock+0x2d/0x110 [ 88.868703][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.876788][ T7796] ? lock_is_held_type+0xfa/0x130 [ 88.882641][ T7796] ? __fget_files+0x1ab/0x2b0 [ 88.888624][ T7796] ? __fget_light+0xbe/0x220 [ 88.893379][ T7796] __sys_sendmsg+0xb2/0x140 [ 88.898086][ T7796] ? __sys_sendmsg_sock+0x10/0x10 [ 88.903651][ T7796] ? check_preemption_disabled+0x36/0xd0 [ 88.909531][ T7796] ? syscall_enter_from_user_mode+0x1d/0x60 [ 88.915669][ T7796] ? lockdep_hardirqs_on+0x54/0x100 [ 88.921359][ T7796] do_syscall_64+0x2d/0x70 [ 88.925772][ T7796] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.932037][ T7796] RIP: 0033:0x464d29 [ 88.936275][ T7796] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 88.957337][ T7796] RSP: 002b:00007fa9fca3d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.967306][ T7796] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 88.977565][ T7796] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 88.986972][ T7796] RBP: 00007fa9fca3d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 88.995562][ T7796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 89.004128][ T7796] R13: 00007fff43d2160f R14: 00007fa9fca3d300 R15: 0000000000022000 [ 89.632636][ T7846] FAULT_INJECTION: forcing a failure. [ 89.632636][ T7846] name failslab, interval 1, probability 0, space 0, times 0 [ 89.648027][ T7846] CPU: 0 PID: 7846 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 89.657601][ T7846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.669699][ T7846] Call Trace: [ 89.672978][ T7846] dump_stack+0x10c/0x14b [ 89.677462][ T7846] should_fail.cold+0x5/0xa [ 89.683055][ T7846] should_failslab+0x5/0x10 [ 89.688352][ T7846] kmem_cache_alloc_node+0x61/0x520 [ 89.694359][ T7846] __alloc_skb+0x153/0x280 [ 89.699697][ T7846] __neigh_notify+0x7f/0x110 [ 89.705114][ T7846] neigh_cleanup_and_release+0x5a/0x220 [ 89.711324][ T7846] neigh_flush_dev+0x4f4/0x800 [ 89.716467][ T7846] ? lock_release+0x424/0x7e0 [ 89.721259][ T7846] __neigh_ifdown.isra.0+0x44/0x390 [ 89.727320][ T7846] ? __local_bh_enable_ip+0x11f/0x220 [ 89.732966][ T7846] ? rt6_disable_ip+0x49d/0x6a0 [ 89.738378][ T7846] neigh_ifdown+0x7/0x10 [ 89.743720][ T7846] rt6_disable_ip+0x551/0x6a0 [ 89.748617][ T7846] ? rt6_sync_down_dev+0x110/0x110 [ 89.753986][ T7846] ? mark_lock+0xf0/0x15f0 [ 89.759510][ T7846] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 89.766317][ T7846] ? lock_chain_count+0x20/0x20 [ 89.771836][ T7846] ? add_addr+0x240/0x240 [ 89.776879][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 89.783127][ T7846] ? lock_is_held_type+0xfa/0x130 [ 89.789051][ T7846] addrconf_notify+0x3e6/0x1ca0 [ 89.794827][ T7846] ? mark_held_locks+0x9f/0xe0 [ 89.801345][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 89.808332][ T7846] ? tls_device_sk_destruct+0x610/0x610 [ 89.814507][ T7846] ? clusterip_netdev_event+0x369/0x540 [ 89.820861][ T7846] ? inet6_ifinfo_notify+0x100/0x100 [ 89.827919][ T7846] ? __local_bh_enable_ip+0x11f/0x220 [ 89.833887][ T7846] ? clusterip_netdev_event+0x369/0x540 [ 89.841736][ T7846] notifier_call_chain+0x94/0x170 [ 89.847752][ T7846] dev_close_many+0x28c/0x560 [ 89.853038][ T7846] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 89.858913][ T7846] dev_change_net_namespace+0xcb7/0x1000 [ 89.865618][ T7846] ? lock_downgrade+0x7b0/0x7b0 [ 89.872142][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 89.878153][ T7846] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 89.883699][ T7846] ? security_capable+0x4c/0x90 [ 89.889351][ T7846] ? ns_capable+0x53/0xc0 [ 89.894024][ T7846] do_setlink+0x16b/0x2f10 [ 89.898478][ T7846] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 89.905230][ T7846] ? unwind_get_return_address+0x51/0x90 [ 89.911613][ T7846] ? rtnl_getlink+0x930/0x930 [ 89.916965][ T7846] ? mark_lock+0xf0/0x15f0 [ 89.921970][ T7846] ? __lock_acquire+0xbc5/0x5050 [ 89.927562][ T7846] ? lock_chain_count+0x20/0x20 [ 89.933179][ T7846] ? memset+0x20/0x40 [ 89.937170][ T7846] ? __nla_validate_parse+0xb2/0x1fd0 [ 89.943097][ T7846] ? nla_get_range_signed+0x540/0x540 [ 89.949454][ T7846] __rtnl_newlink+0xab2/0x1350 [ 89.955286][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 89.962129][ T7846] ? rtnl_setlink+0x320/0x320 [ 89.967798][ T7846] ? lock_release+0x424/0x7e0 [ 89.973481][ T7846] ? is_bpf_text_address+0x5f/0xe0 [ 89.978929][ T7846] ? is_bpf_text_address+0x77/0xe0 [ 89.984846][ T7846] ? kernel_text_address+0xbd/0xf0 [ 89.991085][ T7846] ? __kernel_text_address+0x9/0x30 [ 89.997454][ T7846] ? unwind_get_return_address+0x51/0x90 [ 90.003885][ T7846] ? create_prof_cpu_mask+0x20/0x20 [ 90.010161][ T7846] ? arch_stack_walk+0x93/0xe0 [ 90.016770][ T7846] ? stack_trace_save+0x8c/0xc0 [ 90.024316][ T7846] ? stack_trace_consume_entry+0x160/0x160 [ 90.031814][ T7846] ? fs_reclaim_release+0x9c/0xe0 [ 90.044414][ T7846] ? lock_is_held_type+0xfa/0x130 [ 90.053072][ T7846] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 90.060543][ T7846] ? trace_kmalloc+0xbe/0xf0 [ 90.066315][ T7846] ? kmem_cache_alloc_trace+0x21c/0x400 [ 90.073987][ T7846] rtnl_newlink+0x5a/0x90 [ 90.079401][ T7846] rtnetlink_rcv_msg+0x32f/0x860 [ 90.084650][ T7846] ? rtnetlink_put_metrics+0x420/0x420 [ 90.091311][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 90.097275][ T7846] ? netdev_core_pick_tx+0x290/0x290 [ 90.103336][ T7846] ? lock_acquire+0x130/0x850 [ 90.108302][ T7846] netlink_rcv_skb+0x118/0x370 [ 90.113663][ T7846] ? rtnetlink_put_metrics+0x420/0x420 [ 90.120093][ T7846] ? netlink_ack+0x9f0/0x9f0 [ 90.125714][ T7846] ? netlink_deliver_tap+0x15d/0x990 [ 90.131728][ T7846] netlink_unicast+0x42e/0x700 [ 90.136853][ T7846] ? netlink_attachskb+0x730/0x730 [ 90.143157][ T7846] ? _copy_from_iter_full+0x177/0x690 [ 90.150195][ T7846] netlink_sendmsg+0x70e/0xbe0 [ 90.156743][ T7846] ? netlink_unicast+0x700/0x700 [ 90.162862][ T7846] ? iovec_from_user+0x143/0x290 [ 90.168334][ T7846] ? netlink_unicast+0x700/0x700 [ 90.174850][ T7846] sock_sendmsg+0xab/0xe0 [ 90.179801][ T7846] ____sys_sendmsg+0x5bf/0x7a0 [ 90.185649][ T7846] ? kernel_sendmsg+0x30/0x30 [ 90.191454][ T7846] ? do_recvmmsg+0x550/0x550 [ 90.197725][ T7846] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 90.204222][ T7846] ? __might_fault+0xb5/0x160 [ 90.209603][ T7846] ___sys_sendmsg+0xd3/0x150 [ 90.216188][ T7846] ? sendmsg_copy_msghdr+0x110/0x110 [ 90.222232][ T7846] ? find_held_lock+0x2d/0x110 [ 90.227431][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 90.234362][ T7846] ? lock_release+0x424/0x7e0 [ 90.239267][ T7846] ? __fget_files+0x193/0x2b0 [ 90.245570][ T7846] ? lock_downgrade+0x7b0/0x7b0 [ 90.251416][ T7846] ? find_held_lock+0x2d/0x110 [ 90.256979][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 90.263440][ T7846] ? lock_is_held_type+0xfa/0x130 [ 90.269054][ T7846] ? __fget_files+0x1ab/0x2b0 [ 90.275405][ T7846] ? __fget_light+0xbe/0x220 [ 90.281102][ T7846] __sys_sendmsg+0xb2/0x140 [ 90.286164][ T7846] ? __sys_sendmsg_sock+0x10/0x10 [ 90.292815][ T7846] ? check_preemption_disabled+0x36/0xd0 [ 90.299073][ T7846] ? syscall_enter_from_user_mode+0x1d/0x60 [ 90.305127][ T7846] ? lockdep_hardirqs_on+0x54/0x100 [ 90.312028][ T7846] do_syscall_64+0x2d/0x70 [ 90.316710][ T7846] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 90.323273][ T7846] RIP: 0033:0x464d29 [ 90.327611][ T7846] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 90.350785][ T7846] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 90.359837][ T7846] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 90.368924][ T7846] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 90.377486][ T7846] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 90.386546][ T7846] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 90.395798][ T7846] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 90.671403][ T7810] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 90.682942][ T7816] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 90.720518][ T7829] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 90.747556][ T7838] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 90.842176][ T7859] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 91.292059][ T7864] FAULT_INJECTION: forcing a failure. [ 91.292059][ T7864] name failslab, interval 1, probability 0, space 0, times 0 [ 91.306565][ T7864] CPU: 0 PID: 7864 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 91.318241][ T7864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.329680][ T7864] Call Trace: [ 91.333047][ T7864] dump_stack+0x10c/0x14b [ 91.338129][ T7864] should_fail.cold+0x5/0xa [ 91.344160][ T7864] ? mark_held_locks+0x9f/0xe0 [ 91.350096][ T7864] should_failslab+0x5/0x10 [ 91.355334][ T7864] kmem_cache_alloc_node_trace+0x65/0x540 [ 91.362756][ T7864] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 91.370434][ T7864] __kmalloc_node_track_caller+0x38/0x60 [ 91.377229][ T7864] __alloc_skb+0x8b/0x280 [ 91.382399][ T7864] __neigh_notify+0x7f/0x110 [ 91.387781][ T7864] neigh_cleanup_and_release+0x5a/0x220 [ 91.394179][ T7864] neigh_flush_dev+0x4f4/0x800 [ 91.400075][ T7864] ? lock_release+0x424/0x7e0 [ 91.405401][ T7864] __neigh_ifdown.isra.0+0x44/0x390 [ 91.410791][ T7864] ? __local_bh_enable_ip+0x11f/0x220 [ 91.417110][ T7864] ? rt6_disable_ip+0x49d/0x6a0 [ 91.423090][ T7864] neigh_ifdown+0x7/0x10 [ 91.427666][ T7864] rt6_disable_ip+0x551/0x6a0 [ 91.432373][ T7864] ? rt6_sync_down_dev+0x110/0x110 [ 91.438998][ T7864] ? mark_lock+0xf0/0x15f0 [ 91.444438][ T7864] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 91.451688][ T7864] ? lock_chain_count+0x20/0x20 [ 91.456656][ T7864] ? add_addr+0x240/0x240 [ 91.462876][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.469018][ T7864] ? lock_is_held_type+0xfa/0x130 [ 91.474633][ T7864] addrconf_notify+0x3e6/0x1ca0 [ 91.480496][ T7864] ? mark_held_locks+0x9f/0xe0 [ 91.485907][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.492680][ T7864] ? tls_device_sk_destruct+0x610/0x610 [ 91.499097][ T7864] ? clusterip_netdev_event+0x369/0x540 [ 91.505325][ T7864] ? inet6_ifinfo_notify+0x100/0x100 [ 91.510990][ T7864] ? __local_bh_enable_ip+0x11f/0x220 [ 91.517010][ T7864] ? clusterip_netdev_event+0x369/0x540 [ 91.523506][ T7864] notifier_call_chain+0x94/0x170 [ 91.530188][ T7864] dev_close_many+0x28c/0x560 [ 91.535033][ T7864] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 91.542602][ T7864] dev_change_net_namespace+0xcb7/0x1000 [ 91.548524][ T7864] ? lock_downgrade+0x7b0/0x7b0 [ 91.554404][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.560737][ T7864] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 91.566408][ T7864] ? security_capable+0x4c/0x90 [ 91.571795][ T7864] ? ns_capable+0x53/0xc0 [ 91.576570][ T7864] do_setlink+0x16b/0x2f10 [ 91.581345][ T7864] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 91.589099][ T7864] ? unwind_get_return_address+0x51/0x90 [ 91.595596][ T7864] ? rtnl_getlink+0x930/0x930 [ 91.600663][ T7864] ? mark_lock+0xf0/0x15f0 [ 91.605616][ T7864] ? __lock_acquire+0xbc5/0x5050 [ 91.611433][ T7864] ? lock_chain_count+0x20/0x20 [ 91.617302][ T7864] ? mark_lock+0xf0/0x15f0 [ 91.622203][ T7864] ? memset+0x20/0x40 [ 91.626935][ T7864] ? __nla_validate_parse+0xb2/0x1fd0 [ 91.632750][ T7864] ? nla_get_range_signed+0x540/0x540 [ 91.638790][ T7864] __rtnl_newlink+0xab2/0x1350 [ 91.644124][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.650419][ T7864] ? rtnl_setlink+0x320/0x320 [ 91.655421][ T7864] ? lock_release+0x424/0x7e0 [ 91.660368][ T7864] ? is_bpf_text_address+0x5f/0xe0 [ 91.666132][ T7864] ? is_bpf_text_address+0x77/0xe0 [ 91.671506][ T7864] ? kernel_text_address+0xbd/0xf0 [ 91.677064][ T7864] ? __kernel_text_address+0x9/0x30 [ 91.682369][ T7864] ? unwind_get_return_address+0x51/0x90 [ 91.688253][ T7864] ? create_prof_cpu_mask+0x20/0x20 [ 91.694149][ T7864] ? arch_stack_walk+0x93/0xe0 [ 91.699929][ T7864] ? stack_trace_save+0x8c/0xc0 [ 91.705714][ T7864] ? stack_trace_consume_entry+0x160/0x160 [ 91.712701][ T7864] ? fs_reclaim_release+0x9c/0xe0 [ 91.718315][ T7864] ? lock_is_held_type+0xfa/0x130 [ 91.725556][ T7864] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 91.731701][ T7864] ? trace_kmalloc+0xbe/0xf0 [ 91.737069][ T7864] ? kmem_cache_alloc_trace+0x21c/0x400 [ 91.743615][ T7864] rtnl_newlink+0x5a/0x90 [ 91.748557][ T7864] rtnetlink_rcv_msg+0x32f/0x860 [ 91.753679][ T7864] ? rtnetlink_put_metrics+0x420/0x420 [ 91.759320][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.765859][ T7864] ? netdev_core_pick_tx+0x290/0x290 [ 91.772065][ T7864] ? lock_acquire+0x130/0x850 [ 91.777025][ T7864] netlink_rcv_skb+0x118/0x370 [ 91.782098][ T7864] ? rtnetlink_put_metrics+0x420/0x420 [ 91.788258][ T7864] ? netlink_ack+0x9f0/0x9f0 [ 91.794055][ T7864] ? netlink_deliver_tap+0x15d/0x990 [ 91.799799][ T7864] netlink_unicast+0x42e/0x700 [ 91.805082][ T7864] ? netlink_attachskb+0x730/0x730 [ 91.811357][ T7864] ? _copy_from_iter_full+0x177/0x690 [ 91.817166][ T7864] netlink_sendmsg+0x70e/0xbe0 [ 91.822099][ T7864] ? netlink_unicast+0x700/0x700 [ 91.827408][ T7864] ? iovec_from_user+0x143/0x290 [ 91.833115][ T7864] ? netlink_unicast+0x700/0x700 [ 91.838261][ T7864] sock_sendmsg+0xab/0xe0 [ 91.844525][ T7864] ____sys_sendmsg+0x5bf/0x7a0 [ 91.849592][ T7864] ? kernel_sendmsg+0x30/0x30 [ 91.854538][ T7864] ? do_recvmmsg+0x550/0x550 [ 91.859254][ T7864] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 91.866234][ T7864] ? __might_fault+0xb5/0x160 [ 91.871455][ T7864] ___sys_sendmsg+0xd3/0x150 [ 91.876271][ T7864] ? sendmsg_copy_msghdr+0x110/0x110 [ 91.881741][ T7864] ? find_held_lock+0x2d/0x110 [ 91.887041][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.892960][ T7864] ? lock_release+0x424/0x7e0 [ 91.898038][ T7864] ? __fget_files+0x193/0x2b0 [ 91.902963][ T7864] ? lock_downgrade+0x7b0/0x7b0 [ 91.908630][ T7864] ? find_held_lock+0x2d/0x110 [ 91.914335][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.921167][ T7864] ? lock_is_held_type+0xfa/0x130 [ 91.926466][ T7864] ? __fget_files+0x1ab/0x2b0 [ 91.931724][ T7864] ? __fget_light+0xbe/0x220 [ 91.937146][ T7864] __sys_sendmsg+0xb2/0x140 [ 91.942007][ T7864] ? __sys_sendmsg_sock+0x10/0x10 [ 91.947896][ T7864] ? check_preemption_disabled+0x36/0xd0 [ 91.954321][ T7864] ? syscall_enter_from_user_mode+0x1d/0x60 [ 91.961016][ T7864] ? lockdep_hardirqs_on+0x54/0x100 [ 91.966487][ T7864] do_syscall_64+0x2d/0x70 [ 91.971330][ T7864] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 91.977769][ T7864] RIP: 0033:0x464d29 [ 91.983144][ T7864] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 92.006055][ T7864] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.015288][ T7864] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 92.023702][ T7864] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 92.034717][ T7864] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 92.045218][ T7864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 92.054615][ T7864] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 92.300232][ T7869] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 92.498703][ T7870] FAULT_INJECTION: forcing a failure. [ 92.498703][ T7870] name failslab, interval 1, probability 0, space 0, times 0 [ 92.518945][ T7870] CPU: 0 PID: 7870 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 92.531484][ T7870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.546760][ T7870] Call Trace: [ 92.550965][ T7870] dump_stack+0x10c/0x14b [ 92.556598][ T7870] should_fail.cold+0x5/0xa [ 92.562354][ T7870] should_failslab+0x5/0x10 [ 92.567558][ T7870] kmem_cache_alloc_node_trace+0x65/0x540 [ 92.575425][ T7870] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 92.583651][ T7870] __kmalloc_node_track_caller+0x38/0x60 [ 92.593133][ T7870] __alloc_skb+0x8b/0x280 [ 92.601688][ T7870] rtmsg_ifa+0x142/0x220 [ 92.609008][ T7870] ? inet_fill_ifaddr+0xc00/0xc00 [ 92.615595][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 92.622871][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 92.629365][ T7870] __inet_del_ifa+0x39b/0xce0 [ 92.636626][ T7870] ? lock_is_held_type+0xfa/0x130 [ 92.647468][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 92.655318][ T7870] ? lock_is_held_type+0xfa/0x130 [ 92.661692][ T7870] inetdev_event+0x4ea/0x1190 [ 92.669669][ T7870] ? devinet_init_net+0x5b0/0x5b0 [ 92.676827][ T7870] ? _raw_spin_unlock_irqrestore+0x2d/0x85 [ 92.686622][ T7870] ? skb_dequeue+0x110/0x1a0 [ 92.695600][ T7870] notifier_call_chain+0x94/0x170 [ 92.705833][ T7870] dev_change_net_namespace+0x22e/0x1000 [ 92.715203][ T7870] ? lock_downgrade+0x7b0/0x7b0 [ 92.721890][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 92.731449][ T7870] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 92.739664][ T7870] ? security_capable+0x4c/0x90 [ 92.747891][ T7870] ? ns_capable+0x53/0xc0 [ 92.753616][ T7870] do_setlink+0x16b/0x2f10 [ 92.759554][ T7870] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 92.767350][ T7870] ? unwind_get_return_address+0x51/0x90 [ 92.776996][ T7870] ? rtnl_getlink+0x930/0x930 [ 92.783389][ T7870] ? mark_lock+0xf0/0x15f0 [ 92.790071][ T7870] ? __lock_acquire+0xbc5/0x5050 [ 92.796277][ T7870] ? lock_chain_count+0x20/0x20 [ 92.803416][ T7870] ? mark_lock+0xf0/0x15f0 [ 92.808717][ T7870] ? mark_lock+0xf0/0x15f0 [ 92.813799][ T7870] ? memset+0x20/0x40 [ 92.818122][ T7870] ? __nla_validate_parse+0xb2/0x1fd0 [ 92.824214][ T7870] ? nla_get_range_signed+0x540/0x540 [ 92.830369][ T7870] __rtnl_newlink+0xab2/0x1350 [ 92.836051][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 92.842094][ T7870] ? rtnl_setlink+0x320/0x320 [ 92.847405][ T7870] ? lock_release+0x424/0x7e0 [ 92.853716][ T7870] ? is_bpf_text_address+0x5f/0xe0 [ 92.861230][ T7870] ? is_bpf_text_address+0x77/0xe0 [ 92.870398][ T7870] ? kernel_text_address+0xbd/0xf0 [ 92.876607][ T7870] ? __kernel_text_address+0x9/0x30 [ 92.883208][ T7870] ? unwind_get_return_address+0x51/0x90 [ 92.890900][ T7870] ? create_prof_cpu_mask+0x20/0x20 [ 92.897166][ T7870] ? arch_stack_walk+0x93/0xe0 [ 92.902959][ T7870] ? stack_trace_save+0x8c/0xc0 [ 92.908638][ T7870] ? stack_trace_consume_entry+0x160/0x160 [ 92.914899][ T7870] ? fs_reclaim_release+0x9c/0xe0 [ 92.920332][ T7870] ? lock_is_held_type+0xfa/0x130 [ 92.926057][ T7870] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 92.932819][ T7870] ? trace_kmalloc+0xbe/0xf0 [ 92.938252][ T7870] ? kmem_cache_alloc_trace+0x21c/0x400 [ 92.944170][ T7870] rtnl_newlink+0x5a/0x90 [ 92.948899][ T7870] rtnetlink_rcv_msg+0x32f/0x860 [ 92.954613][ T7870] ? rtnetlink_put_metrics+0x420/0x420 [ 92.961054][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 92.967864][ T7870] ? lock_acquire+0x222/0x850 [ 92.973077][ T7870] netlink_rcv_skb+0x118/0x370 [ 92.980362][ T7870] ? rtnetlink_put_metrics+0x420/0x420 [ 92.987273][ T7870] ? netlink_ack+0x9f0/0x9f0 [ 92.992956][ T7870] ? netlink_deliver_tap+0x15d/0x990 [ 92.999339][ T7870] netlink_unicast+0x42e/0x700 [ 93.004497][ T7870] ? netlink_attachskb+0x730/0x730 [ 93.010332][ T7870] ? _copy_from_iter_full+0x177/0x690 [ 93.016408][ T7870] netlink_sendmsg+0x70e/0xbe0 [ 93.021733][ T7870] ? netlink_unicast+0x700/0x700 [ 93.027868][ T7870] ? iovec_from_user+0x143/0x290 [ 93.036043][ T7870] ? netlink_unicast+0x700/0x700 [ 93.044279][ T7870] sock_sendmsg+0xab/0xe0 [ 93.051915][ T7870] ____sys_sendmsg+0x5bf/0x7a0 [ 93.058205][ T7870] ? kernel_sendmsg+0x30/0x30 [ 93.064575][ T7870] ? do_recvmmsg+0x550/0x550 [ 93.071719][ T7870] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 93.080048][ T7870] ? __might_fault+0xb5/0x160 [ 93.086350][ T7870] ___sys_sendmsg+0xd3/0x150 [ 93.091928][ T7870] ? sendmsg_copy_msghdr+0x110/0x110 [ 93.097780][ T7870] ? find_held_lock+0x2d/0x110 [ 93.103889][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 93.113019][ T7870] ? lock_release+0x424/0x7e0 [ 93.119154][ T7870] ? __fget_files+0x193/0x2b0 [ 93.125935][ T7870] ? lock_downgrade+0x7b0/0x7b0 [ 93.131610][ T7870] ? find_held_lock+0x2d/0x110 [ 93.138217][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 93.144896][ T7870] ? lock_is_held_type+0xfa/0x130 [ 93.151886][ T7870] ? __fget_files+0x1ab/0x2b0 [ 93.158548][ T7870] ? __fget_light+0xbe/0x220 [ 93.164721][ T7870] __sys_sendmsg+0xb2/0x140 [ 93.172506][ T7870] ? __sys_sendmsg_sock+0x10/0x10 [ 93.179844][ T7870] ? check_preemption_disabled+0x36/0xd0 [ 93.189105][ T7870] ? syscall_enter_from_user_mode+0x1d/0x60 [ 93.196343][ T7870] ? lockdep_hardirqs_on+0x54/0x100 [ 93.202575][ T7870] do_syscall_64+0x2d/0x70 [ 93.207815][ T7870] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.214786][ T7870] RIP: 0033:0x464d29 [ 93.219404][ T7870] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 93.243258][ T7870] RSP: 002b:00007fa9fca3d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 2021/03/13 03:36:56 executed programs: 78 [ 93.253338][ T7870] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 93.262474][ T7870] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 93.272006][ T7870] RBP: 00007fa9fca3d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 93.282328][ T7870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 93.291576][ T7870] R13: 00007fff43d2160f R14: 00007fa9fca3d300 R15: 0000000000022000 [ 93.400985][ T7909] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 93.466775][ T7922] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 93.534110][ T7933] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 93.601725][ T7932] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 93.678011][ T7960] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 94.213954][ T7951] FAULT_INJECTION: forcing a failure. [ 94.213954][ T7951] name failslab, interval 1, probability 0, space 0, times 0 [ 94.229104][ T7951] CPU: 1 PID: 7951 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 94.238246][ T7951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.249366][ T7951] Call Trace: [ 94.252951][ T7951] dump_stack+0x10c/0x14b [ 94.257734][ T7951] should_fail.cold+0x5/0xa [ 94.263385][ T7951] should_failslab+0x5/0x10 [ 94.268641][ T7951] kmem_cache_alloc_node+0x61/0x520 [ 94.274483][ T7951] __alloc_skb+0x153/0x280 [ 94.280149][ T7951] __neigh_notify+0x7f/0x110 [ 94.285287][ T7951] neigh_cleanup_and_release+0x5a/0x220 [ 94.292609][ T7951] neigh_flush_dev+0x4f4/0x800 [ 94.298404][ T7951] ? lock_release+0x424/0x7e0 [ 94.304287][ T7951] __neigh_ifdown.isra.0+0x44/0x390 [ 94.310386][ T7951] ? __local_bh_enable_ip+0x11f/0x220 [ 94.317574][ T7951] ? rt6_disable_ip+0x49d/0x6a0 [ 94.325115][ T7951] neigh_ifdown+0x7/0x10 [ 94.329881][ T7951] rt6_disable_ip+0x551/0x6a0 [ 94.335141][ T7951] ? rt6_sync_down_dev+0x110/0x110 [ 94.340934][ T7951] ? mark_lock+0xf0/0x15f0 [ 94.346742][ T7951] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 94.352675][ T7951] ? lock_chain_count+0x20/0x20 [ 94.358243][ T7951] ? add_addr+0x240/0x240 [ 94.362939][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.368836][ T7951] ? lock_is_held_type+0xfa/0x130 [ 94.374673][ T7951] addrconf_notify+0x3e6/0x1ca0 [ 94.383212][ T7951] ? mark_held_locks+0x9f/0xe0 [ 94.389477][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.396877][ T7951] ? tls_device_sk_destruct+0x610/0x610 [ 94.404914][ T7951] ? clusterip_netdev_event+0x369/0x540 [ 94.412291][ T7951] ? inet6_ifinfo_notify+0x100/0x100 [ 94.418090][ T7951] ? __local_bh_enable_ip+0x11f/0x220 [ 94.423921][ T7951] ? clusterip_netdev_event+0x369/0x540 [ 94.430586][ T7951] notifier_call_chain+0x94/0x170 [ 94.437086][ T7951] dev_close_many+0x28c/0x560 [ 94.442594][ T7951] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 94.448783][ T7951] dev_change_net_namespace+0xcb7/0x1000 [ 94.455345][ T7951] ? lock_downgrade+0x7b0/0x7b0 [ 94.460777][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.466501][ T7951] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 94.472372][ T7951] ? security_capable+0x4c/0x90 [ 94.478220][ T7951] ? ns_capable+0x53/0xc0 [ 94.482828][ T7951] do_setlink+0x16b/0x2f10 [ 94.487717][ T7951] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 94.494879][ T7951] ? unwind_get_return_address+0x51/0x90 [ 94.501355][ T7951] ? rtnl_getlink+0x930/0x930 [ 94.507117][ T7951] ? mark_lock+0xf0/0x15f0 [ 94.512413][ T7951] ? __lock_acquire+0xbc5/0x5050 [ 94.517373][ T7951] ? lock_chain_count+0x20/0x20 [ 94.522703][ T7951] ? mark_lock+0xf0/0x15f0 [ 94.527453][ T7951] ? memset+0x20/0x40 [ 94.532079][ T7951] ? __nla_validate_parse+0xb2/0x1fd0 [ 94.539301][ T7951] ? nla_get_range_signed+0x540/0x540 [ 94.544963][ T7951] __rtnl_newlink+0xab2/0x1350 [ 94.551149][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.558813][ T7951] ? rtnl_setlink+0x320/0x320 [ 94.564143][ T7951] ? lock_release+0x424/0x7e0 [ 94.569752][ T7951] ? is_bpf_text_address+0x5f/0xe0 [ 94.575497][ T7951] ? is_bpf_text_address+0x77/0xe0 [ 94.580984][ T7951] ? kernel_text_address+0xbd/0xf0 [ 94.586366][ T7951] ? __kernel_text_address+0x9/0x30 [ 94.592591][ T7951] ? unwind_get_return_address+0x51/0x90 [ 94.598499][ T7951] ? create_prof_cpu_mask+0x20/0x20 [ 94.603991][ T7951] ? arch_stack_walk+0x93/0xe0 [ 94.610909][ T7951] ? stack_trace_save+0x8c/0xc0 [ 94.616175][ T7951] ? stack_trace_consume_entry+0x160/0x160 [ 94.622372][ T7951] ? fs_reclaim_release+0x9c/0xe0 [ 94.627798][ T7951] ? lock_is_held_type+0xfa/0x130 [ 94.633096][ T7951] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 94.640278][ T7951] ? trace_kmalloc+0xbe/0xf0 [ 94.645411][ T7951] ? kmem_cache_alloc_trace+0x21c/0x400 [ 94.651776][ T7951] rtnl_newlink+0x5a/0x90 [ 94.657513][ T7951] rtnetlink_rcv_msg+0x32f/0x860 [ 94.662634][ T7951] ? rtnetlink_put_metrics+0x420/0x420 [ 94.668345][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.675105][ T7951] ? netdev_core_pick_tx+0x290/0x290 [ 94.681080][ T7951] ? lock_acquire+0x130/0x850 [ 94.688960][ T7951] netlink_rcv_skb+0x118/0x370 [ 94.695481][ T7951] ? rtnetlink_put_metrics+0x420/0x420 [ 94.703213][ T7951] ? netlink_ack+0x9f0/0x9f0 [ 94.709344][ T7951] ? netlink_deliver_tap+0x15d/0x990 [ 94.717899][ T7951] netlink_unicast+0x42e/0x700 [ 94.723875][ T7951] ? netlink_attachskb+0x730/0x730 [ 94.731485][ T7951] ? _copy_from_iter_full+0x177/0x690 [ 94.737060][ T7951] netlink_sendmsg+0x70e/0xbe0 [ 94.742328][ T7951] ? netlink_unicast+0x700/0x700 [ 94.747880][ T7951] ? iovec_from_user+0x143/0x290 [ 94.753826][ T7951] ? netlink_unicast+0x700/0x700 [ 94.759497][ T7951] sock_sendmsg+0xab/0xe0 [ 94.764701][ T7951] ____sys_sendmsg+0x5bf/0x7a0 [ 94.772718][ T7951] ? kernel_sendmsg+0x30/0x30 [ 94.779297][ T7951] ? do_recvmmsg+0x550/0x550 [ 94.785156][ T7951] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 94.794548][ T7951] ? __might_fault+0xb5/0x160 [ 94.800742][ T7951] ___sys_sendmsg+0xd3/0x150 [ 94.806375][ T7951] ? sendmsg_copy_msghdr+0x110/0x110 [ 94.812963][ T7951] ? find_held_lock+0x2d/0x110 [ 94.818903][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.825308][ T7951] ? lock_release+0x424/0x7e0 [ 94.830700][ T7951] ? __fget_files+0x193/0x2b0 [ 94.836196][ T7951] ? lock_downgrade+0x7b0/0x7b0 [ 94.841607][ T7951] ? find_held_lock+0x2d/0x110 [ 94.846792][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.853312][ T7951] ? lock_is_held_type+0xfa/0x130 [ 94.858717][ T7951] ? __fget_files+0x1ab/0x2b0 [ 94.863573][ T7951] ? __fget_light+0xbe/0x220 [ 94.868742][ T7951] __sys_sendmsg+0xb2/0x140 [ 94.873492][ T7951] ? __sys_sendmsg_sock+0x10/0x10 [ 94.879247][ T7951] ? check_preemption_disabled+0x36/0xd0 [ 94.885422][ T7951] ? syscall_enter_from_user_mode+0x1d/0x60 [ 94.892083][ T7951] ? lockdep_hardirqs_on+0x54/0x100 [ 94.898745][ T7951] do_syscall_64+0x2d/0x70 [ 94.904075][ T7951] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.910797][ T7951] RIP: 0033:0x464d29 [ 94.914907][ T7951] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 94.937794][ T7951] RSP: 002b:00007f05346b5188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.948066][ T7951] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 94.956958][ T7951] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 94.965380][ T7951] RBP: 00007f05346b51d0 R08: 0000000000000000 R09: 0000000000000000 [ 94.975181][ T7951] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 94.985093][ T7951] R13: 00007ffe962b627f R14: 00007f05346b5300 R15: 0000000000022000 [ 95.243166][ T7973] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 95.389452][ T7974] FAULT_INJECTION: forcing a failure. [ 95.389452][ T7974] name failslab, interval 1, probability 0, space 0, times 0 [ 95.403922][ T7974] CPU: 0 PID: 7974 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 95.413276][ T7974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.424308][ T7974] Call Trace: [ 95.427867][ T7974] dump_stack+0x10c/0x14b [ 95.432991][ T7974] should_fail.cold+0x5/0xa [ 95.437863][ T7974] ? switchdev_deferred_enqueue+0x22/0x1f0 [ 95.445108][ T7974] should_failslab+0x5/0x10 [ 95.449779][ T7974] __kmalloc+0x79/0x440 [ 95.455435][ T7974] ? switchdev_port_attr_notify.constprop.0+0xe0/0xe0 [ 95.463646][ T7974] switchdev_deferred_enqueue+0x22/0x1f0 [ 95.470959][ T7974] br_set_state+0x168/0x1d0 [ 95.477984][ T7974] ? br_designated_port_selection+0x6c0/0x6c0 [ 95.484856][ T7974] ? lock_release+0x7e0/0x7e0 [ 95.491124][ T7974] ? do_raw_spin_lock+0x120/0x2b0 [ 95.497402][ T7974] ? rwlock_bug.part.0+0x90/0x90 [ 95.503445][ T7974] ? check_preemption_disabled+0x36/0xd0 [ 95.512292][ T7974] br_stp_disable_port+0x5e/0x1a0 [ 95.518361][ T7974] br_device_event+0x609/0x710 [ 95.524172][ T7974] ? br_net_exit+0x170/0x170 [ 95.530759][ T7974] ? packet_notifier+0x38c/0x6d0 [ 95.536102][ T7974] notifier_call_chain+0x94/0x170 [ 95.542569][ T7974] dev_close_many+0x28c/0x560 [ 95.548075][ T7974] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 95.554526][ T7974] dev_change_net_namespace+0xcb7/0x1000 [ 95.560397][ T7974] ? lock_downgrade+0x7b0/0x7b0 [ 95.566213][ T7974] ? check_preemption_disabled+0x36/0xd0 [ 95.572624][ T7974] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 95.578796][ T7974] ? security_capable+0x4c/0x90 [ 95.585041][ T7974] ? ns_capable+0x53/0xc0 [ 95.590156][ T7974] do_setlink+0x16b/0x2f10 [ 95.595164][ T7974] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 95.601939][ T7974] ? unwind_get_return_address+0x51/0x90 [ 95.608873][ T7974] ? rtnl_getlink+0x930/0x930 [ 95.614972][ T7974] ? mark_lock+0xf0/0x15f0 [ 95.620170][ T7974] ? __lock_acquire+0xbc5/0x5050 [ 95.626087][ T7974] ? lock_chain_count+0x20/0x20 [ 95.632204][ T7974] ? mark_lock+0xf0/0x15f0 [ 95.637519][ T7974] ? memset+0x20/0x40 [ 95.642070][ T7974] ? __nla_validate_parse+0xb2/0x1fd0 [ 95.648203][ T7974] ? nla_get_range_signed+0x540/0x540 [ 95.654170][ T7974] __rtnl_newlink+0xab2/0x1350 [ 95.659838][ T7974] ? check_preemption_disabled+0x36/0xd0 [ 95.665791][ T7974] ? rtnl_setlink+0x320/0x320 [ 95.670654][ T7974] ? lock_release+0x424/0x7e0 [ 95.676482][ T7974] ? is_bpf_text_address+0x5f/0xe0 [ 95.682474][ T7974] ? is_bpf_text_address+0x77/0xe0 [ 95.688723][ T7974] ? kernel_text_address+0xbd/0xf0 [ 95.694510][ T7974] ? __kernel_text_address+0x9/0x30 [ 95.700668][ T7974] ? unwind_get_return_address+0x51/0x90 [ 95.706660][ T7974] ? create_prof_cpu_mask+0x20/0x20 [ 95.714229][ T7974] ? arch_stack_walk+0x93/0xe0 [ 95.720121][ T7974] ? stack_trace_save+0x8c/0xc0 [ 95.726185][ T7974] ? stack_trace_consume_entry+0x160/0x160 [ 95.732705][ T7974] ? fs_reclaim_release+0x9c/0xe0 [ 95.737762][ T7974] ? lock_is_held_type+0xfa/0x130 [ 95.743573][ T7974] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 95.751302][ T7974] ? trace_kmalloc+0xbe/0xf0 [ 95.757075][ T7974] ? kmem_cache_alloc_trace+0x21c/0x400 [ 95.764514][ T7974] rtnl_newlink+0x5a/0x90 [ 95.769610][ T7974] rtnetlink_rcv_msg+0x32f/0x860 [ 95.775616][ T7974] ? rtnetlink_put_metrics+0x420/0x420 [ 95.781764][ T7974] ? check_preemption_disabled+0x36/0xd0 [ 95.787942][ T7974] ? lock_acquire+0x222/0x850 [ 95.793354][ T7974] netlink_rcv_skb+0x118/0x370 [ 95.798866][ T7974] ? rtnetlink_put_metrics+0x420/0x420 [ 95.805597][ T7974] ? netlink_ack+0x9f0/0x9f0 [ 95.811096][ T7974] ? netlink_deliver_tap+0x15d/0x990 [ 95.817165][ T7974] netlink_unicast+0x42e/0x700 [ 95.822633][ T7974] ? netlink_attachskb+0x730/0x730 [ 95.828180][ T7974] ? _copy_from_iter_full+0x177/0x690 [ 95.835059][ T7974] netlink_sendmsg+0x70e/0xbe0 [ 95.840862][ T7974] ? netlink_unicast+0x700/0x700 [ 95.846290][ T7974] ? iovec_from_user+0x143/0x290 [ 95.851963][ T7974] ? netlink_unicast+0x700/0x700 [ 95.858401][ T7974] sock_sendmsg+0xab/0xe0 [ 95.863757][ T7974] ____sys_sendmsg+0x5bf/0x7a0 [ 95.869162][ T7974] ? kernel_sendmsg+0x30/0x30 [ 95.874395][ T7974] ? do_recvmmsg+0x550/0x550 [ 95.879569][ T7974] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 95.887271][ T7974] ? __might_fault+0xb5/0x160 [ 95.892854][ T7974] ___sys_sendmsg+0xd3/0x150 [ 95.898395][ T7974] ? sendmsg_copy_msghdr+0x110/0x110 [ 95.905239][ T7974] ? find_held_lock+0x2d/0x110 [ 95.911180][ T7974] ? check_preemption_disabled+0x36/0xd0 [ 95.917642][ T7974] ? lock_release+0x424/0x7e0 [ 95.923399][ T7974] ? __fget_files+0x193/0x2b0 [ 95.929478][ T7974] ? lock_downgrade+0x7b0/0x7b0 [ 95.934887][ T7974] ? find_held_lock+0x2d/0x110 [ 95.940841][ T7974] ? check_preemption_disabled+0x36/0xd0 [ 95.949146][ T7974] ? lock_is_held_type+0xfa/0x130 [ 95.956736][ T7974] ? __fget_files+0x1ab/0x2b0 [ 95.963423][ T7974] ? __fget_light+0xbe/0x220 [ 95.968168][ T7974] __sys_sendmsg+0xb2/0x140 [ 95.974189][ T7974] ? __sys_sendmsg_sock+0x10/0x10 [ 95.984565][ T7974] ? check_preemption_disabled+0x36/0xd0 [ 95.991785][ T7974] ? syscall_enter_from_user_mode+0x1d/0x60 [ 95.998019][ T7974] ? lockdep_hardirqs_on+0x54/0x100 [ 96.004798][ T7974] do_syscall_64+0x2d/0x70 [ 96.009863][ T7974] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.016260][ T7974] RIP: 0033:0x464d29 [ 96.020810][ T7974] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 96.046139][ T7974] RSP: 002b:00007fa9fca3d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.055692][ T7974] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 96.064404][ T7974] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 96.073617][ T7974] RBP: 00007fa9fca3d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 96.082926][ T7974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 96.092704][ T7974] R13: 00007fff43d2160f R14: 00007fa9fca3d300 R15: 0000000000022000 [ 96.103160][ T7974] bridge0: error setting offload STP state on port 2(bridge_slave_1) [ 96.182398][ T7974] device bridge_slave_1 left promiscuous mode [ 96.195672][ T7974] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.283899][ T7978] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 96.425961][ T7981] FAULT_INJECTION: forcing a failure. [ 96.425961][ T7981] name failslab, interval 1, probability 0, space 0, times 0 [ 96.439897][ T7981] CPU: 1 PID: 7981 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 96.449144][ T7981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.460936][ T7981] Call Trace: [ 96.464695][ T7981] dump_stack+0x10c/0x14b [ 96.469472][ T7981] should_fail.cold+0x5/0xa [ 96.474425][ T7981] ? mark_held_locks+0x9f/0xe0 [ 96.480035][ T7981] should_failslab+0x5/0x10 [ 96.485528][ T7981] kmem_cache_alloc_node_trace+0x65/0x540 [ 96.492136][ T7981] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 96.498095][ T7981] __kmalloc_node_track_caller+0x38/0x60 [ 96.504112][ T7981] __alloc_skb+0x8b/0x280 [ 96.508696][ T7981] __neigh_notify+0x7f/0x110 [ 96.513392][ T7981] neigh_cleanup_and_release+0x5a/0x220 [ 96.519312][ T7981] neigh_flush_dev+0x4f4/0x800 [ 96.524318][ T7981] ? lock_release+0x424/0x7e0 [ 96.530216][ T7981] __neigh_ifdown.isra.0+0x44/0x390 [ 96.535855][ T7981] ? __local_bh_enable_ip+0x11f/0x220 [ 96.542021][ T7981] ? rt6_disable_ip+0x49d/0x6a0 [ 96.546958][ T7981] neigh_ifdown+0x7/0x10 [ 96.551586][ T7981] rt6_disable_ip+0x551/0x6a0 [ 96.556389][ T7981] ? rt6_sync_down_dev+0x110/0x110 [ 96.562133][ T7981] ? mark_lock+0xf0/0x15f0 [ 96.566657][ T7981] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 96.572569][ T7981] ? lock_chain_count+0x20/0x20 [ 96.577608][ T7981] ? add_addr+0x240/0x240 [ 96.582163][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 96.588184][ T7981] ? lock_is_held_type+0xfa/0x130 [ 96.593528][ T7981] addrconf_notify+0x3e6/0x1ca0 [ 96.598567][ T7981] ? mark_held_locks+0x9f/0xe0 [ 96.603537][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 96.609176][ T7981] ? tls_device_sk_destruct+0x610/0x610 [ 96.615235][ T7981] ? clusterip_netdev_event+0x369/0x540 [ 96.621685][ T7981] ? inet6_ifinfo_notify+0x100/0x100 [ 96.628455][ T7981] ? __local_bh_enable_ip+0x11f/0x220 [ 96.634112][ T7981] ? clusterip_netdev_event+0x369/0x540 [ 96.641116][ T7981] notifier_call_chain+0x94/0x170 [ 96.646559][ T7981] dev_close_many+0x28c/0x560 [ 96.651523][ T7981] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 96.657450][ T7981] dev_change_net_namespace+0xcb7/0x1000 [ 96.664059][ T7981] ? lock_downgrade+0x7b0/0x7b0 [ 96.669186][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 96.675294][ T7981] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 96.681175][ T7981] ? security_capable+0x4c/0x90 [ 96.687060][ T7981] ? ns_capable+0x53/0xc0 [ 96.691694][ T7981] do_setlink+0x16b/0x2f10 [ 96.696318][ T7981] ? mark_lock+0xf0/0x15f0 [ 96.701108][ T7981] ? rtnl_getlink+0x930/0x930 [ 96.706542][ T7981] ? lock_chain_count+0x20/0x20 [ 96.711916][ T7981] ? mark_lock+0xf0/0x15f0 [ 96.716626][ T7981] ? __lock_acquire+0xbc5/0x5050 [ 96.722165][ T7981] ? lock_chain_count+0x20/0x20 [ 96.727513][ T7981] ? mark_lock+0xf0/0x15f0 [ 96.732806][ T7981] ? mark_lock+0xf0/0x15f0 [ 96.738042][ T7981] ? mark_lock+0xf0/0x15f0 [ 96.742866][ T7981] ? memset+0x20/0x40 [ 96.747017][ T7981] ? __nla_validate_parse+0xb2/0x1fd0 [ 96.752687][ T7981] ? nla_get_range_signed+0x540/0x540 [ 96.758216][ T7981] __rtnl_newlink+0xab2/0x1350 [ 96.763628][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 96.770314][ T7981] ? rtnl_setlink+0x320/0x320 [ 96.775568][ T7981] ? lock_release+0x424/0x7e0 [ 96.781380][ T7981] ? is_bpf_text_address+0x5f/0xe0 [ 96.787319][ T7981] ? is_bpf_text_address+0x77/0xe0 [ 96.793375][ T7981] ? kernel_text_address+0xbd/0xf0 [ 96.799577][ T7981] ? __kernel_text_address+0x9/0x30 [ 96.805431][ T7981] ? unwind_get_return_address+0x51/0x90 [ 96.811397][ T7981] ? create_prof_cpu_mask+0x20/0x20 [ 96.817500][ T7981] ? arch_stack_walk+0x93/0xe0 [ 96.822569][ T7981] ? stack_trace_save+0x8c/0xc0 [ 96.827734][ T7981] ? stack_trace_consume_entry+0x160/0x160 [ 96.833596][ T7981] ? fs_reclaim_release+0x9c/0xe0 [ 96.839321][ T7981] ? lock_is_held_type+0xfa/0x130 [ 96.845300][ T7981] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 96.851249][ T7981] ? trace_kmalloc+0xbe/0xf0 [ 96.856119][ T7981] ? kmem_cache_alloc_trace+0x21c/0x400 [ 96.862712][ T7981] rtnl_newlink+0x5a/0x90 [ 96.867569][ T7981] rtnetlink_rcv_msg+0x32f/0x860 [ 96.873345][ T7981] ? rtnetlink_put_metrics+0x420/0x420 [ 96.880058][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 96.886265][ T7981] ? netdev_core_pick_tx+0x290/0x290 [ 96.892400][ T7981] ? lock_acquire+0x130/0x850 [ 96.897530][ T7981] netlink_rcv_skb+0x118/0x370 [ 96.902972][ T7981] ? rtnetlink_put_metrics+0x420/0x420 [ 96.909973][ T7981] ? netlink_ack+0x9f0/0x9f0 [ 96.914710][ T7981] ? netlink_deliver_tap+0x15d/0x990 [ 96.921129][ T7981] netlink_unicast+0x42e/0x700 [ 96.926413][ T7981] ? netlink_attachskb+0x730/0x730 [ 96.931752][ T7981] ? _copy_from_iter_full+0x177/0x690 [ 96.937311][ T7981] netlink_sendmsg+0x70e/0xbe0 [ 96.942567][ T7981] ? netlink_unicast+0x700/0x700 [ 96.948375][ T7981] ? iovec_from_user+0x143/0x290 [ 96.953998][ T7981] ? netlink_unicast+0x700/0x700 [ 96.959549][ T7981] sock_sendmsg+0xab/0xe0 [ 96.965120][ T7981] ____sys_sendmsg+0x5bf/0x7a0 [ 96.970688][ T7981] ? kernel_sendmsg+0x30/0x30 [ 96.975559][ T7981] ? do_recvmmsg+0x550/0x550 [ 96.980872][ T7981] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 96.987398][ T7981] ? __might_fault+0xb5/0x160 [ 96.992824][ T7981] ___sys_sendmsg+0xd3/0x150 [ 96.997865][ T7981] ? sendmsg_copy_msghdr+0x110/0x110 [ 97.004022][ T7981] ? find_held_lock+0x2d/0x110 [ 97.010373][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 97.016555][ T7981] ? lock_release+0x424/0x7e0 [ 97.022238][ T7981] ? __fget_files+0x193/0x2b0 [ 97.027190][ T7981] ? lock_downgrade+0x7b0/0x7b0 [ 97.035485][ T7981] ? find_held_lock+0x2d/0x110 [ 97.043805][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 97.051742][ T7981] ? lock_is_held_type+0xfa/0x130 [ 97.057806][ T7981] ? __fget_files+0x1ab/0x2b0 [ 97.063273][ T7981] ? __fget_light+0xbe/0x220 [ 97.068539][ T7981] __sys_sendmsg+0xb2/0x140 [ 97.074336][ T7981] ? __sys_sendmsg_sock+0x10/0x10 [ 97.081477][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 97.088081][ T7981] ? syscall_enter_from_user_mode+0x1d/0x60 [ 97.094806][ T7981] ? lockdep_hardirqs_on+0x54/0x100 [ 97.100738][ T7981] do_syscall_64+0x2d/0x70 [ 97.105676][ T7981] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 97.112459][ T7981] RIP: 0033:0x464d29 [ 97.116800][ T7981] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 97.138408][ T7981] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.147782][ T7981] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 97.156782][ T7981] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 97.165715][ T7981] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 97.175161][ T7981] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 97.184846][ T7981] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 97.546711][ T7984] FAULT_INJECTION: forcing a failure. [ 97.546711][ T7984] name failslab, interval 1, probability 0, space 0, times 0 [ 97.561230][ T7984] CPU: 1 PID: 7984 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 97.570741][ T7984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.581824][ T7984] Call Trace: [ 97.585713][ T7984] dump_stack+0x10c/0x14b [ 97.590061][ T7984] should_fail.cold+0x5/0xa [ 97.595931][ T7984] ? mark_held_locks+0x9f/0xe0 [ 97.600971][ T7984] should_failslab+0x5/0x10 [ 97.606564][ T7984] kmem_cache_alloc_node_trace+0x65/0x540 [ 97.612472][ T7984] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 97.618985][ T7984] __kmalloc_node_track_caller+0x38/0x60 [ 97.624889][ T7984] __alloc_skb+0x8b/0x280 [ 97.629634][ T7984] __neigh_notify+0x7f/0x110 [ 97.634516][ T7984] neigh_cleanup_and_release+0x5a/0x220 [ 97.640397][ T7984] neigh_flush_dev+0x4f4/0x800 [ 97.645524][ T7984] ? lock_release+0x424/0x7e0 [ 97.651427][ T7984] __neigh_ifdown.isra.0+0x44/0x390 [ 97.657643][ T7984] ? __local_bh_enable_ip+0x11f/0x220 [ 97.663375][ T7984] ? rt6_disable_ip+0x49d/0x6a0 [ 97.668513][ T7984] neigh_ifdown+0x7/0x10 [ 97.672922][ T7984] rt6_disable_ip+0x551/0x6a0 [ 97.678215][ T7984] ? rt6_sync_down_dev+0x110/0x110 [ 97.683905][ T7984] ? mark_lock+0xf0/0x15f0 [ 97.688866][ T7984] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 97.695700][ T7984] ? lock_chain_count+0x20/0x20 [ 97.700892][ T7984] ? add_addr+0x240/0x240 [ 97.705618][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 97.712191][ T7984] ? lock_is_held_type+0xfa/0x130 [ 97.718014][ T7984] addrconf_notify+0x3e6/0x1ca0 [ 97.723068][ T7984] ? mark_held_locks+0x9f/0xe0 [ 97.728157][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 97.734229][ T7984] ? tls_device_sk_destruct+0x610/0x610 [ 97.740938][ T7984] ? clusterip_netdev_event+0x369/0x540 [ 97.746944][ T7984] ? inet6_ifinfo_notify+0x100/0x100 [ 97.752766][ T7984] ? __local_bh_enable_ip+0x11f/0x220 [ 97.759007][ T7984] ? clusterip_netdev_event+0x369/0x540 [ 97.765228][ T7984] notifier_call_chain+0x94/0x170 [ 97.770970][ T7984] dev_close_many+0x28c/0x560 [ 97.776458][ T7984] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 97.783757][ T7984] dev_change_net_namespace+0xcb7/0x1000 [ 97.791291][ T7984] ? lock_downgrade+0x7b0/0x7b0 [ 97.796829][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 97.803092][ T7984] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 97.808819][ T7984] ? security_capable+0x4c/0x90 [ 97.814170][ T7984] ? ns_capable+0x53/0xc0 [ 97.819195][ T7984] do_setlink+0x16b/0x2f10 [ 97.824475][ T7984] ? mark_lock+0xf0/0x15f0 [ 97.828997][ T7984] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 97.836870][ T7984] ? rtnl_getlink+0x930/0x930 [ 97.842311][ T7984] ? mark_lock+0xf0/0x15f0 [ 97.846926][ T7984] ? lock_is_held_type+0xd9/0x130 [ 97.852569][ T7984] ? lock_chain_count+0x20/0x20 [ 97.857842][ T7984] ? lock_release+0x424/0x7e0 [ 97.863226][ T7984] ? is_bpf_text_address+0x5f/0xe0 [ 97.869256][ T7984] ? memset+0x20/0x40 [ 97.873868][ T7984] ? __nla_validate_parse+0xb2/0x1fd0 [ 97.880477][ T7984] ? nla_get_range_signed+0x540/0x540 [ 97.886586][ T7984] __rtnl_newlink+0xab2/0x1350 [ 97.892576][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 97.898943][ T7984] ? rtnl_setlink+0x320/0x320 [ 97.904078][ T7984] ? lock_release+0x424/0x7e0 [ 97.909397][ T7984] ? is_bpf_text_address+0x5f/0xe0 [ 97.915171][ T7984] ? is_bpf_text_address+0x77/0xe0 [ 97.921186][ T7984] ? kernel_text_address+0xbd/0xf0 [ 97.926610][ T7984] ? __kernel_text_address+0x9/0x30 [ 97.932200][ T7984] ? unwind_get_return_address+0x51/0x90 [ 97.938674][ T7984] ? create_prof_cpu_mask+0x20/0x20 [ 97.943979][ T7984] ? arch_stack_walk+0x93/0xe0 [ 97.951026][ T7984] ? stack_trace_save+0x8c/0xc0 [ 97.957102][ T7984] ? stack_trace_consume_entry+0x160/0x160 [ 97.964368][ T7984] ? fs_reclaim_release+0x9c/0xe0 [ 97.970731][ T7984] ? lock_is_held_type+0xfa/0x130 [ 97.978839][ T7984] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 97.985902][ T7984] ? trace_kmalloc+0xbe/0xf0 [ 97.992006][ T7984] ? kmem_cache_alloc_trace+0x21c/0x400 [ 97.999588][ T7984] rtnl_newlink+0x5a/0x90 [ 98.005009][ T7984] rtnetlink_rcv_msg+0x32f/0x860 [ 98.011044][ T7984] ? rtnetlink_put_metrics+0x420/0x420 [ 98.017300][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 98.024363][ T7984] ? netdev_core_pick_tx+0x290/0x290 [ 98.030846][ T7984] ? lock_acquire+0x130/0x850 [ 98.040380][ T7984] netlink_rcv_skb+0x118/0x370 [ 98.046073][ T7984] ? rtnetlink_put_metrics+0x420/0x420 [ 98.053960][ T7984] ? netlink_ack+0x9f0/0x9f0 [ 98.059957][ T7984] ? netlink_deliver_tap+0x15d/0x990 [ 98.066984][ T7984] netlink_unicast+0x42e/0x700 [ 98.072780][ T7984] ? netlink_attachskb+0x730/0x730 [ 98.078861][ T7984] ? _copy_from_iter_full+0x177/0x690 [ 98.085157][ T7984] netlink_sendmsg+0x70e/0xbe0 [ 98.090193][ T7984] ? netlink_unicast+0x700/0x700 [ 98.095398][ T7984] ? iovec_from_user+0x143/0x290 [ 98.102216][ T7984] ? netlink_unicast+0x700/0x700 [ 98.109044][ T7984] sock_sendmsg+0xab/0xe0 [ 98.113914][ T7984] ____sys_sendmsg+0x5bf/0x7a0 [ 98.120240][ T7984] ? kernel_sendmsg+0x30/0x30 [ 98.125714][ T7984] ? do_recvmmsg+0x550/0x550 [ 98.133521][ T7984] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 98.142406][ T7984] ? __might_fault+0xb5/0x160 [ 98.148665][ T7984] ___sys_sendmsg+0xd3/0x150 [ 98.154605][ T7984] ? sendmsg_copy_msghdr+0x110/0x110 [ 98.161669][ T7984] ? find_held_lock+0x2d/0x110 [ 98.166890][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 98.176580][ T7984] ? lock_release+0x424/0x7e0 [ 98.185289][ T7984] ? __fget_files+0x193/0x2b0 [ 98.192019][ T7984] ? lock_downgrade+0x7b0/0x7b0 [ 98.197468][ T7984] ? find_held_lock+0x2d/0x110 [ 98.203627][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 98.209560][ T7984] ? lock_is_held_type+0xfa/0x130 [ 98.215579][ T7984] ? __fget_files+0x1ab/0x2b0 [ 98.220552][ T7984] ? __fget_light+0xbe/0x220 [ 98.226432][ T7984] __sys_sendmsg+0xb2/0x140 [ 98.231741][ T7984] ? __sys_sendmsg_sock+0x10/0x10 [ 98.236974][ T7984] ? check_preemption_disabled+0x36/0xd0 [ 98.243559][ T7984] ? syscall_enter_from_user_mode+0x1d/0x60 [ 98.250038][ T7984] ? lockdep_hardirqs_on+0x54/0x100 [ 98.255802][ T7984] do_syscall_64+0x2d/0x70 [ 98.260367][ T7984] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 98.266821][ T7984] RIP: 0033:0x464d29 [ 98.271456][ T7984] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 98.293767][ T7984] RSP: 002b:00007feba3c69188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.302615][ T7984] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 98.310668][ T7984] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 98.318639][ T7984] RBP: 00007feba3c691d0 R08: 0000000000000000 R09: 0000000000000000 [ 98.326768][ T7984] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 98.335202][ T7984] R13: 00007ffdf4fb4ecf R14: 00007feba3c69300 R15: 0000000000022000 2021/03/13 03:37:01 executed programs: 86 [ 98.581853][ T7988] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 98.600335][ T8002] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 98.650363][ T8023] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 98.684734][ T8024] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.167750][ T8024] FAULT_INJECTION: forcing a failure. [ 99.167750][ T8024] name failslab, interval 1, probability 0, space 0, times 0 [ 99.182508][ T8024] CPU: 0 PID: 8024 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 99.192543][ T8024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.204598][ T8024] Call Trace: [ 99.208196][ T8024] dump_stack+0x10c/0x14b [ 99.212995][ T8024] should_fail.cold+0x5/0xa [ 99.218180][ T8024] should_failslab+0x5/0x10 [ 99.222801][ T8024] kmem_cache_alloc_node+0x61/0x520 [ 99.228646][ T8024] __alloc_skb+0x153/0x280 [ 99.233743][ T8024] __neigh_notify+0x7f/0x110 [ 99.239141][ T8024] neigh_cleanup_and_release+0x5a/0x220 [ 99.244892][ T8024] neigh_flush_dev+0x4f4/0x800 [ 99.250241][ T8024] ? lock_release+0x424/0x7e0 [ 99.255757][ T8024] __neigh_ifdown.isra.0+0x44/0x390 [ 99.261325][ T8024] ? __local_bh_enable_ip+0x11f/0x220 [ 99.267069][ T8024] ? rt6_disable_ip+0x49d/0x6a0 [ 99.272755][ T8024] neigh_ifdown+0x7/0x10 [ 99.277381][ T8024] rt6_disable_ip+0x551/0x6a0 [ 99.283398][ T8024] ? rt6_sync_down_dev+0x110/0x110 [ 99.289005][ T8024] ? mark_lock+0xf0/0x15f0 [ 99.294178][ T8024] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 99.299551][ T8024] ? lock_chain_count+0x20/0x20 [ 99.304762][ T8024] ? add_addr+0x240/0x240 [ 99.309607][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.315524][ T8024] ? lock_is_held_type+0xfa/0x130 [ 99.321801][ T8024] addrconf_notify+0x3e6/0x1ca0 [ 99.327364][ T8024] ? mark_held_locks+0x9f/0xe0 [ 99.332434][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.338879][ T8024] ? tls_device_sk_destruct+0x610/0x610 [ 99.344702][ T8024] ? clusterip_netdev_event+0x369/0x540 [ 99.351391][ T8024] ? inet6_ifinfo_notify+0x100/0x100 [ 99.357464][ T8024] ? __local_bh_enable_ip+0x11f/0x220 [ 99.363239][ T8024] ? clusterip_netdev_event+0x369/0x540 [ 99.369772][ T8024] notifier_call_chain+0x94/0x170 [ 99.375488][ T8024] dev_close_many+0x28c/0x560 [ 99.380552][ T8024] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 99.386632][ T8024] dev_change_net_namespace+0xcb7/0x1000 [ 99.392736][ T8024] ? lock_downgrade+0x7b0/0x7b0 [ 99.398311][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.406175][ T8024] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 99.412291][ T8024] ? security_capable+0x4c/0x90 [ 99.417953][ T8024] ? ns_capable+0x53/0xc0 [ 99.423348][ T8024] do_setlink+0x16b/0x2f10 [ 99.428223][ T8024] ? lock_is_held_type+0xd9/0x130 [ 99.433905][ T8024] ? rtnl_getlink+0x930/0x930 [ 99.438882][ T8024] ? mark_lock+0xf0/0x15f0 [ 99.444483][ T8024] ? trace_pelt_cfs_tp+0x158/0x1b0 [ 99.449949][ T8024] ? update_load_avg+0xdba/0x1890 [ 99.455335][ T8024] ? lock_chain_count+0x20/0x20 [ 99.461513][ T8024] ? mark_lock+0xf0/0x15f0 [ 99.467035][ T8024] ? memset+0x20/0x40 [ 99.472864][ T8024] ? __nla_validate_parse+0xb2/0x1fd0 [ 99.479130][ T8024] ? nla_get_range_signed+0x540/0x540 [ 99.486045][ T8024] __rtnl_newlink+0xab2/0x1350 [ 99.491942][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.498456][ T8024] ? rtnl_setlink+0x320/0x320 [ 99.504193][ T8024] ? lock_release+0x424/0x7e0 [ 99.509840][ T8024] ? is_bpf_text_address+0x5f/0xe0 [ 99.515999][ T8024] ? is_bpf_text_address+0x77/0xe0 [ 99.528783][ T8024] ? kernel_text_address+0xbd/0xf0 [ 99.534840][ T8024] ? __kernel_text_address+0x9/0x30 [ 99.540777][ T8024] ? unwind_get_return_address+0x51/0x90 [ 99.547373][ T8024] ? create_prof_cpu_mask+0x20/0x20 [ 99.554339][ T8024] ? arch_stack_walk+0x93/0xe0 [ 99.560120][ T8024] ? stack_trace_save+0x8c/0xc0 [ 99.565482][ T8024] ? stack_trace_consume_entry+0x160/0x160 [ 99.572072][ T8024] ? fs_reclaim_release+0x9c/0xe0 [ 99.578275][ T8024] ? lock_is_held_type+0xfa/0x130 [ 99.583679][ T8024] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 99.589430][ T8024] ? trace_kmalloc+0xbe/0xf0 [ 99.595437][ T8024] ? kmem_cache_alloc_trace+0x21c/0x400 [ 99.601570][ T8024] rtnl_newlink+0x5a/0x90 [ 99.606852][ T8024] rtnetlink_rcv_msg+0x32f/0x860 [ 99.612071][ T8024] ? rtnetlink_put_metrics+0x420/0x420 [ 99.618889][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.624913][ T8024] ? netdev_core_pick_tx+0x290/0x290 [ 99.631010][ T8024] ? lock_acquire+0x130/0x850 [ 99.635777][ T8024] netlink_rcv_skb+0x118/0x370 [ 99.640722][ T8024] ? rtnetlink_put_metrics+0x420/0x420 [ 99.646780][ T8024] ? netlink_ack+0x9f0/0x9f0 [ 99.651781][ T8024] ? netlink_deliver_tap+0x15d/0x990 [ 99.657486][ T8024] netlink_unicast+0x42e/0x700 [ 99.662967][ T8024] ? netlink_attachskb+0x730/0x730 [ 99.668637][ T8024] ? _copy_from_iter_full+0x177/0x690 [ 99.674823][ T8024] netlink_sendmsg+0x70e/0xbe0 [ 99.679872][ T8024] ? netlink_unicast+0x700/0x700 [ 99.685425][ T8024] ? iovec_from_user+0x143/0x290 [ 99.690899][ T8024] ? netlink_unicast+0x700/0x700 [ 99.696497][ T8024] sock_sendmsg+0xab/0xe0 [ 99.701162][ T8024] ____sys_sendmsg+0x5bf/0x7a0 [ 99.706357][ T8024] ? kernel_sendmsg+0x30/0x30 [ 99.711299][ T8024] ? do_recvmmsg+0x550/0x550 [ 99.715893][ T8024] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 99.722843][ T8024] ? __might_fault+0xb5/0x160 [ 99.728018][ T8024] ___sys_sendmsg+0xd3/0x150 [ 99.733018][ T8024] ? sendmsg_copy_msghdr+0x110/0x110 [ 99.738944][ T8024] ? find_held_lock+0x2d/0x110 [ 99.744353][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.750570][ T8024] ? lock_release+0x424/0x7e0 [ 99.755676][ T8024] ? __fget_files+0x193/0x2b0 [ 99.760468][ T8024] ? lock_downgrade+0x7b0/0x7b0 [ 99.766646][ T8024] ? find_held_lock+0x2d/0x110 [ 99.772083][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.777855][ T8024] ? lock_is_held_type+0xfa/0x130 [ 99.783491][ T8024] ? __fget_files+0x1ab/0x2b0 [ 99.788452][ T8024] ? __fget_light+0xbe/0x220 [ 99.793226][ T8024] __sys_sendmsg+0xb2/0x140 [ 99.797719][ T8024] ? __sys_sendmsg_sock+0x10/0x10 [ 99.802909][ T8024] ? check_preemption_disabled+0x36/0xd0 [ 99.808704][ T8024] ? syscall_enter_from_user_mode+0x1d/0x60 [ 99.814772][ T8024] ? lockdep_hardirqs_on+0x54/0x100 [ 99.820439][ T8024] do_syscall_64+0x2d/0x70 [ 99.825453][ T8024] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 99.831845][ T8024] RIP: 0033:0x464d29 [ 99.836106][ T8024] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 99.858248][ T8024] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.866928][ T8024] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 99.876109][ T8024] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 99.885133][ T8024] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 99.893800][ T8024] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 99.903490][ T8024] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 100.102708][ T8024] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.163928][ T8024] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 100.181656][ T8024] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.194539][ T8024] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 100.206907][ T8024] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.218717][ T8024] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 100.232334][ T8024] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.244959][ T8024] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 100.257531][ T8024] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.269395][ T8024] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 100.282247][ T8024] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.339387][ T8039] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 100.686813][ T8040] bond0: (slave bond_slave_1): Releasing backup interface [ 100.720016][ T8040] FAULT_INJECTION: forcing a failure. [ 100.720016][ T8040] name failslab, interval 1, probability 0, space 0, times 0 [ 100.742122][ T8040] CPU: 0 PID: 8040 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 100.753932][ T8040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.766862][ T8040] Call Trace: [ 100.771070][ T8040] dump_stack+0x10c/0x14b [ 100.776615][ T8040] should_fail.cold+0x5/0xa [ 100.782379][ T8040] should_failslab+0x5/0x10 [ 100.788018][ T8040] kmem_cache_alloc_node_trace+0x65/0x540 [ 100.794846][ T8040] ? memcpy+0x39/0x60 [ 100.799124][ T8040] __kmalloc_node_track_caller+0x38/0x60 [ 100.805872][ T8040] pskb_expand_head+0x11f/0xf50 [ 100.811329][ T8040] ? lock_is_held_type+0xfa/0x130 [ 100.816779][ T8040] netlink_trim+0x18f/0x1f0 [ 100.821550][ T8040] netlink_broadcast_filtered+0x58/0xac0 [ 100.827526][ T8040] ? memset+0x20/0x40 [ 100.831878][ T8040] ? rtmsg_ifinfo_build_skb+0xc3/0x160 [ 100.837985][ T8040] nlmsg_notify+0x60/0x1b0 [ 100.842731][ T8040] rtnetlink_event+0x143/0x1b0 [ 100.847836][ T8040] notifier_call_chain+0x94/0x170 [ 100.853847][ T8040] netdev_change_features+0x76/0xa0 [ 100.860110][ T8040] ? netdev_update_features+0xb0/0xb0 [ 100.866520][ T8040] ? synchronize_rcu+0x10a/0x180 [ 100.871888][ T8040] bond_compute_features+0x535/0x920 [ 100.878273][ T8040] ? bond_fix_features+0x2c0/0x2c0 [ 100.883553][ T8040] ? stats_dot11RTSSuccessCount_read+0x1c0/0x200 [ 100.891738][ T8040] ? lock_is_held_type+0xfa/0x130 [ 100.897707][ T8040] __bond_release_one.cold+0x4e5/0xac2 [ 100.903722][ T8040] ? bond_enslave+0x41f0/0x41f0 [ 100.908674][ T8040] ? mutex_lock_io_nested+0xf70/0xf70 [ 100.916211][ T8040] ? __mutex_unlock_slowpath+0xe2/0x610 [ 100.922656][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 100.929877][ T8040] ? wait_for_completion_io+0x270/0x270 [ 100.936253][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 100.943280][ T8040] ? lock_is_held_type+0xfa/0x130 [ 100.949274][ T8040] bond_netdev_event+0x621/0x720 [ 100.955315][ T8040] notifier_call_chain+0x94/0x170 [ 100.960826][ T8040] dev_change_net_namespace+0x22e/0x1000 [ 100.967303][ T8040] ? lock_downgrade+0x7b0/0x7b0 [ 100.972787][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 100.979376][ T8040] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 100.985226][ T8040] ? security_capable+0x4c/0x90 [ 100.990496][ T8040] ? ns_capable+0x53/0xc0 [ 100.995365][ T8040] do_setlink+0x16b/0x2f10 [ 101.000456][ T8040] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 101.006792][ T8040] ? unwind_get_return_address+0x51/0x90 [ 101.013360][ T8040] ? rtnl_getlink+0x930/0x930 [ 101.018285][ T8040] ? mark_lock+0xf0/0x15f0 [ 101.023298][ T8040] ? __lock_acquire+0xbc5/0x5050 [ 101.028362][ T8040] ? lock_chain_count+0x20/0x20 [ 101.035849][ T8040] ? mark_lock+0xf0/0x15f0 [ 101.040555][ T8040] ? memset+0x20/0x40 [ 101.046274][ T8040] ? __nla_validate_parse+0xb2/0x1fd0 [ 101.052352][ T8040] ? nla_get_range_signed+0x540/0x540 [ 101.057859][ T8040] __rtnl_newlink+0xab2/0x1350 [ 101.068168][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 101.074971][ T8040] ? rtnl_setlink+0x320/0x320 [ 101.080407][ T8040] ? lock_release+0x424/0x7e0 [ 101.086148][ T8040] ? is_bpf_text_address+0x5f/0xe0 [ 101.096337][ T8040] ? is_bpf_text_address+0x77/0xe0 [ 101.102784][ T8040] ? kernel_text_address+0xbd/0xf0 [ 101.109999][ T8040] ? __kernel_text_address+0x9/0x30 [ 101.115444][ T8040] ? unwind_get_return_address+0x51/0x90 [ 101.121823][ T8040] ? create_prof_cpu_mask+0x20/0x20 [ 101.127806][ T8040] ? arch_stack_walk+0x93/0xe0 [ 101.133327][ T8040] ? stack_trace_save+0x8c/0xc0 [ 101.139715][ T8040] ? stack_trace_consume_entry+0x160/0x160 [ 101.146653][ T8040] ? fs_reclaim_release+0x9c/0xe0 [ 101.152159][ T8040] ? lock_is_held_type+0xfa/0x130 [ 101.157988][ T8040] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 101.164683][ T8040] ? trace_kmalloc+0xbe/0xf0 [ 101.170006][ T8040] ? kmem_cache_alloc_trace+0x21c/0x400 [ 101.176872][ T8040] rtnl_newlink+0x5a/0x90 [ 101.182431][ T8040] rtnetlink_rcv_msg+0x32f/0x860 [ 101.188124][ T8040] ? rtnetlink_put_metrics+0x420/0x420 [ 101.194583][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 101.201382][ T8040] ? lock_acquire+0x222/0x850 [ 101.206549][ T8040] netlink_rcv_skb+0x118/0x370 [ 101.211677][ T8040] ? rtnetlink_put_metrics+0x420/0x420 [ 101.217446][ T8040] ? netlink_ack+0x9f0/0x9f0 [ 101.223043][ T8040] ? netlink_deliver_tap+0x15d/0x990 [ 101.228924][ T8040] netlink_unicast+0x42e/0x700 [ 101.233957][ T8040] ? netlink_attachskb+0x730/0x730 [ 101.239469][ T8040] ? _copy_from_iter_full+0x177/0x690 [ 101.245027][ T8040] netlink_sendmsg+0x70e/0xbe0 [ 101.250079][ T8040] ? netlink_unicast+0x700/0x700 [ 101.255184][ T8040] ? iovec_from_user+0x143/0x290 [ 101.260659][ T8040] ? netlink_unicast+0x700/0x700 [ 101.267067][ T8040] sock_sendmsg+0xab/0xe0 [ 101.272178][ T8040] ____sys_sendmsg+0x5bf/0x7a0 [ 101.277242][ T8040] ? kernel_sendmsg+0x30/0x30 [ 101.282283][ T8040] ? do_recvmmsg+0x550/0x550 [ 101.287305][ T8040] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 101.293729][ T8040] ? __might_fault+0xb5/0x160 [ 101.298696][ T8040] ___sys_sendmsg+0xd3/0x150 [ 101.303641][ T8040] ? sendmsg_copy_msghdr+0x110/0x110 [ 101.309250][ T8040] ? find_held_lock+0x2d/0x110 [ 101.314989][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 101.321409][ T8040] ? lock_release+0x424/0x7e0 [ 101.326317][ T8040] ? __fget_files+0x193/0x2b0 [ 101.331078][ T8040] ? lock_downgrade+0x7b0/0x7b0 [ 101.336240][ T8040] ? find_held_lock+0x2d/0x110 [ 101.341200][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 101.347738][ T8040] ? lock_is_held_type+0xfa/0x130 [ 101.353276][ T8040] ? __fget_files+0x1ab/0x2b0 [ 101.358511][ T8040] ? __fget_light+0xbe/0x220 [ 101.363493][ T8040] __sys_sendmsg+0xb2/0x140 [ 101.368990][ T8040] ? __sys_sendmsg_sock+0x10/0x10 [ 101.375677][ T8040] ? check_preemption_disabled+0x36/0xd0 [ 101.383042][ T8040] ? syscall_enter_from_user_mode+0x1d/0x60 [ 101.391045][ T8040] ? lockdep_hardirqs_on+0x54/0x100 [ 101.397248][ T8040] do_syscall_64+0x2d/0x70 [ 101.402258][ T8040] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.409630][ T8040] RIP: 0033:0x464d29 [ 101.414110][ T8040] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 101.436617][ T8040] RSP: 002b:00007fa9fca3d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.446232][ T8040] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 101.455653][ T8040] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 101.464763][ T8040] RBP: 00007fa9fca3d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 101.474116][ T8040] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 101.483116][ T8040] R13: 00007fff43d2160f R14: 00007fa9fca3d300 R15: 0000000000022000 [ 101.598629][ T8062] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 101.631360][ T8083] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 101.661786][ T8087] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 101.712782][ T8108] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 101.737865][ T8122] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 102.160322][ T8123] FAULT_INJECTION: forcing a failure. [ 102.160322][ T8123] name failslab, interval 1, probability 0, space 0, times 0 [ 102.184786][ T8123] CPU: 1 PID: 8123 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 102.196711][ T8123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.211317][ T8123] Call Trace: [ 102.215615][ T8123] dump_stack+0x10c/0x14b [ 102.220917][ T8123] should_fail.cold+0x5/0xa [ 102.226937][ T8123] should_failslab+0x5/0x10 [ 102.233641][ T8123] kmem_cache_alloc_trace+0x57/0x400 [ 102.240777][ T8123] netdevice_event+0x167/0x6c0 [ 102.249854][ T8123] ? update_gid_event_work_handler+0xb0/0xb0 [ 102.258309][ T8123] ? __up_read+0x1a1/0x7b0 [ 102.263953][ T8123] ? _roce_del_all_netdev_gids+0x10/0x10 [ 102.271702][ T8123] ? roce_gid_type_mask_support+0xd0/0xd0 [ 102.279825][ T8123] ? _raw_spin_unlock_irqrestore+0x2d/0x85 [ 102.286900][ T8123] ? skb_dequeue+0x110/0x1a0 [ 102.292213][ T8123] notifier_call_chain+0x94/0x170 [ 102.299478][ T8123] dev_change_net_namespace+0x22e/0x1000 [ 102.307580][ T8123] ? lock_downgrade+0x7b0/0x7b0 [ 102.313951][ T8123] ? check_preemption_disabled+0x36/0xd0 [ 102.320975][ T8123] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 102.327281][ T8123] ? security_capable+0x4c/0x90 [ 102.332768][ T8123] ? ns_capable+0x53/0xc0 [ 102.338271][ T8123] do_setlink+0x16b/0x2f10 [ 102.343000][ T8123] ? mark_lock+0xf0/0x15f0 [ 102.348121][ T8123] ? rtnl_getlink+0x930/0x930 [ 102.353743][ T8123] ? lock_chain_count+0x20/0x20 [ 102.359115][ T8123] ? mark_lock+0xf0/0x15f0 [ 102.364835][ T8123] ? __lock_acquire+0xbc5/0x5050 [ 102.370652][ T8123] ? lock_chain_count+0x20/0x20 [ 102.376447][ T8123] ? mark_lock+0xf0/0x15f0 [ 102.381707][ T8123] ? mark_lock+0xf0/0x15f0 [ 102.387632][ T8123] ? mark_lock+0xf0/0x15f0 [ 102.394078][ T8123] ? memset+0x20/0x40 [ 102.399602][ T8123] ? __nla_validate_parse+0xb2/0x1fd0 [ 102.406189][ T8123] ? nla_get_range_signed+0x540/0x540 [ 102.413178][ T8123] __rtnl_newlink+0xab2/0x1350 [ 102.418139][ T8123] ? check_preemption_disabled+0x36/0xd0 [ 102.425245][ T8123] ? rtnl_setlink+0x320/0x320 [ 102.430575][ T8123] ? lock_release+0x424/0x7e0 [ 102.435625][ T8123] ? is_bpf_text_address+0x5f/0xe0 [ 102.441550][ T8123] ? is_bpf_text_address+0x77/0xe0 [ 102.448815][ T8123] ? kernel_text_address+0xbd/0xf0 [ 102.455256][ T8123] ? __kernel_text_address+0x9/0x30 [ 102.461653][ T8123] ? unwind_get_return_address+0x51/0x90 [ 102.468086][ T8123] ? create_prof_cpu_mask+0x20/0x20 [ 102.474974][ T8123] ? arch_stack_walk+0x93/0xe0 [ 102.481063][ T8123] ? stack_trace_save+0x8c/0xc0 [ 102.487705][ T8123] ? stack_trace_consume_entry+0x160/0x160 [ 102.494588][ T8123] ? fs_reclaim_release+0x9c/0xe0 [ 102.500923][ T8123] ? lock_is_held_type+0xfa/0x130 [ 102.508249][ T8123] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 102.515832][ T8123] ? trace_kmalloc+0xbe/0xf0 [ 102.523772][ T8123] ? kmem_cache_alloc_trace+0x21c/0x400 [ 102.532490][ T8123] rtnl_newlink+0x5a/0x90 [ 102.538992][ T8123] rtnetlink_rcv_msg+0x32f/0x860 [ 102.545604][ T8123] ? rtnetlink_put_metrics+0x420/0x420 [ 102.554119][ T8123] ? check_preemption_disabled+0x36/0xd0 [ 102.560643][ T8123] ? netdev_core_pick_tx+0x290/0x290 [ 102.568673][ T8123] ? lock_acquire+0x130/0x850 [ 102.574511][ T8123] netlink_rcv_skb+0x118/0x370 [ 102.579690][ T8123] ? rtnetlink_put_metrics+0x420/0x420 [ 102.586783][ T8123] ? netlink_ack+0x9f0/0x9f0 [ 102.592094][ T8123] ? netlink_deliver_tap+0x15d/0x990 [ 102.598223][ T8123] netlink_unicast+0x42e/0x700 [ 102.604136][ T8123] ? netlink_attachskb+0x730/0x730 [ 102.610248][ T8123] ? _copy_from_iter_full+0x177/0x690 [ 102.616565][ T8123] netlink_sendmsg+0x70e/0xbe0 [ 102.622121][ T8123] ? netlink_unicast+0x700/0x700 [ 102.628270][ T8123] ? iovec_from_user+0x143/0x290 [ 102.634103][ T8123] ? netlink_unicast+0x700/0x700 [ 102.639736][ T8123] sock_sendmsg+0xab/0xe0 [ 102.645694][ T8123] ____sys_sendmsg+0x5bf/0x7a0 [ 102.651797][ T8123] ? kernel_sendmsg+0x30/0x30 [ 102.657715][ T8123] ? do_recvmmsg+0x550/0x550 [ 102.663716][ T8123] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 102.671374][ T8123] ? __might_fault+0xb5/0x160 [ 102.677828][ T8123] ___sys_sendmsg+0xd3/0x150 [ 102.682514][ T8123] ? sendmsg_copy_msghdr+0x110/0x110 [ 102.690018][ T8123] ? find_held_lock+0x2d/0x110 [ 102.695977][ T8123] ? check_preemption_disabled+0x36/0xd0 [ 102.704860][ T8123] ? lock_release+0x424/0x7e0 [ 102.712268][ T8123] ? __fget_files+0x193/0x2b0 [ 102.718691][ T8123] ? lock_downgrade+0x7b0/0x7b0 [ 102.724442][ T8123] ? find_held_lock+0x2d/0x110 [ 102.731981][ T8123] ? check_preemption_disabled+0x36/0xd0 [ 102.738311][ T8123] ? lock_is_held_type+0xfa/0x130 [ 102.744243][ T8123] ? __fget_files+0x1ab/0x2b0 [ 102.750035][ T8123] ? __fget_light+0xbe/0x220 [ 102.755333][ T8123] __sys_sendmsg+0xb2/0x140 [ 102.760187][ T8123] ? __sys_sendmsg_sock+0x10/0x10 [ 102.769221][ T8123] ? check_preemption_disabled+0x36/0xd0 [ 102.776232][ T8123] ? syscall_enter_from_user_mode+0x1d/0x60 [ 102.787144][ T8123] ? lockdep_hardirqs_on+0x54/0x100 [ 102.794894][ T8123] do_syscall_64+0x2d/0x70 [ 102.801706][ T8123] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 102.808605][ T8123] RIP: 0033:0x464d29 [ 102.813681][ T8123] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 102.836967][ T8123] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 102.847721][ T8123] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 102.857418][ T8123] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 102.866364][ T8123] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 102.874832][ T8123] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 102.883646][ T8123] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 102.921008][ T8123] device hsr_slave_0 left promiscuous mode [ 103.056702][ T8160] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 103.508540][ T8161] FAULT_INJECTION: forcing a failure. [ 103.508540][ T8161] name failslab, interval 1, probability 0, space 0, times 0 [ 103.528900][ T8161] CPU: 0 PID: 8161 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 [ 103.539162][ T8161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.550576][ T8161] Call Trace: [ 103.554499][ T8161] dump_stack+0x10c/0x14b [ 103.559499][ T8161] should_fail.cold+0x5/0xa [ 103.564364][ T8161] should_failslab+0x5/0x10 [ 103.569354][ T8161] kmem_cache_alloc_node+0x61/0x520 [ 103.574745][ T8161] ? mark_lock+0xf0/0x15f0 [ 103.579246][ T8161] __alloc_skb+0x153/0x280 [ 103.584107][ T8161] inet6_ifa_notify+0x112/0x1e0 [ 103.589410][ T8161] ? inet6_fill_ifaddr+0xba0/0xba0 [ 103.594934][ T8161] ? lock_release+0x424/0x7e0 [ 103.600890][ T8161] __ipv6_ifa_notify+0x13f/0x910 [ 103.606389][ T8161] ? modify_prefix_route+0x4f0/0x4f0 [ 103.611860][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 103.617882][ T8161] ? __local_bh_enable_ip+0x11f/0x220 [ 103.624652][ T8161] ? addrconf_ifdown.isra.0+0x797/0x10e0 [ 103.630733][ T8161] addrconf_ifdown.isra.0+0x7ae/0x10e0 [ 103.636823][ T8161] ? add_addr+0x240/0x240 [ 103.641181][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 103.647290][ T8161] ? lock_is_held_type+0xfa/0x130 [ 103.652567][ T8161] addrconf_notify+0x3e6/0x1ca0 [ 103.657907][ T8161] ? mark_held_locks+0x9f/0xe0 [ 103.663314][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 103.670629][ T8161] ? tls_device_sk_destruct+0x610/0x610 [ 103.676469][ T8161] ? clusterip_netdev_event+0x369/0x540 [ 103.682482][ T8161] ? inet6_ifinfo_notify+0x100/0x100 [ 103.688212][ T8161] ? __local_bh_enable_ip+0x11f/0x220 [ 103.694117][ T8161] ? clusterip_netdev_event+0x369/0x540 [ 103.700152][ T8161] notifier_call_chain+0x94/0x170 [ 103.705523][ T8161] dev_close_many+0x28c/0x560 [ 103.711155][ T8161] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 103.718100][ T8161] dev_change_net_namespace+0xcb7/0x1000 [ 103.724282][ T8161] ? lock_downgrade+0x7b0/0x7b0 [ 103.729600][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 103.736185][ T8161] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 103.742171][ T8161] ? security_capable+0x4c/0x90 [ 103.747232][ T8161] ? ns_capable+0x53/0xc0 [ 103.751948][ T8161] do_setlink+0x16b/0x2f10 [ 103.756485][ T8161] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 103.763069][ T8161] ? unwind_get_return_address+0x51/0x90 [ 103.769220][ T8161] ? rtnl_getlink+0x930/0x930 [ 103.775113][ T8161] ? mark_lock+0xf0/0x15f0 [ 103.780343][ T8161] ? __lock_acquire+0xbc5/0x5050 [ 103.786035][ T8161] ? lock_chain_count+0x20/0x20 [ 103.791487][ T8161] ? mark_lock+0xf0/0x15f0 [ 103.796179][ T8161] ? memset+0x20/0x40 [ 103.800564][ T8161] ? __nla_validate_parse+0xb2/0x1fd0 [ 103.806671][ T8161] ? nla_get_range_signed+0x540/0x540 [ 103.812539][ T8161] __rtnl_newlink+0xab2/0x1350 [ 103.818253][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 103.825220][ T8161] ? rtnl_setlink+0x320/0x320 [ 103.830533][ T8161] ? lock_release+0x424/0x7e0 [ 103.835374][ T8161] ? is_bpf_text_address+0x5f/0xe0 [ 103.841004][ T8161] ? is_bpf_text_address+0x77/0xe0 [ 103.846761][ T8161] ? kernel_text_address+0xbd/0xf0 [ 103.851952][ T8161] ? __kernel_text_address+0x9/0x30 [ 103.857649][ T8161] ? unwind_get_return_address+0x51/0x90 [ 103.863707][ T8161] ? create_prof_cpu_mask+0x20/0x20 [ 103.869249][ T8161] ? arch_stack_walk+0x93/0xe0 [ 103.874433][ T8161] ? stack_trace_save+0x8c/0xc0 [ 103.880226][ T8161] ? stack_trace_consume_entry+0x160/0x160 [ 103.886334][ T8161] ? fs_reclaim_release+0x9c/0xe0 [ 103.892563][ T8161] ? lock_is_held_type+0xfa/0x130 [ 103.898740][ T8161] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 103.905777][ T8161] ? trace_kmalloc+0xbe/0xf0 [ 103.911915][ T8161] ? kmem_cache_alloc_trace+0x21c/0x400 [ 103.917964][ T8161] rtnl_newlink+0x5a/0x90 [ 103.922696][ T8161] rtnetlink_rcv_msg+0x32f/0x860 [ 103.927789][ T8161] ? rtnetlink_put_metrics+0x420/0x420 [ 103.933763][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 103.940188][ T8161] ? lock_acquire+0x222/0x850 [ 103.945843][ T8161] netlink_rcv_skb+0x118/0x370 [ 103.951303][ T8161] ? rtnetlink_put_metrics+0x420/0x420 [ 103.957490][ T8161] ? netlink_ack+0x9f0/0x9f0 [ 103.962881][ T8161] ? netlink_deliver_tap+0x15d/0x990 [ 103.970481][ T8161] netlink_unicast+0x42e/0x700 [ 103.975892][ T8161] ? netlink_attachskb+0x730/0x730 [ 103.981129][ T8161] ? _copy_from_iter_full+0x177/0x690 [ 103.987357][ T8161] netlink_sendmsg+0x70e/0xbe0 [ 103.993511][ T8161] ? netlink_unicast+0x700/0x700 [ 103.999565][ T8161] ? iovec_from_user+0x143/0x290 [ 104.005388][ T8161] ? netlink_unicast+0x700/0x700 [ 104.011411][ T8161] sock_sendmsg+0xab/0xe0 [ 104.016284][ T8161] ____sys_sendmsg+0x5bf/0x7a0 [ 104.022778][ T8161] ? kernel_sendmsg+0x30/0x30 [ 104.028261][ T8161] ? do_recvmmsg+0x550/0x550 [ 104.035306][ T8161] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 104.043416][ T8161] ? __might_fault+0xb5/0x160 [ 104.049154][ T8161] ___sys_sendmsg+0xd3/0x150 [ 104.054425][ T8161] ? sendmsg_copy_msghdr+0x110/0x110 [ 104.060820][ T8161] ? find_held_lock+0x2d/0x110 [ 104.066967][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 104.074428][ T8161] ? lock_release+0x424/0x7e0 [ 104.080982][ T8161] ? __fget_files+0x193/0x2b0 [ 104.085902][ T8161] ? lock_downgrade+0x7b0/0x7b0 [ 104.090965][ T8161] ? find_held_lock+0x2d/0x110 [ 104.096192][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 104.102369][ T8161] ? lock_is_held_type+0xfa/0x130 [ 104.107987][ T8161] ? __fget_files+0x1ab/0x2b0 [ 104.113215][ T8161] ? __fget_light+0xbe/0x220 [ 104.118586][ T8161] __sys_sendmsg+0xb2/0x140 [ 104.125109][ T8161] ? __sys_sendmsg_sock+0x10/0x10 [ 104.130437][ T8161] ? check_preemption_disabled+0x36/0xd0 [ 104.136530][ T8161] ? syscall_enter_from_user_mode+0x1d/0x60 [ 104.143080][ T8161] ? lockdep_hardirqs_on+0x54/0x100 [ 104.150736][ T8161] do_syscall_64+0x2d/0x70 [ 104.156668][ T8161] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 104.163362][ T8161] RIP: 0033:0x464d29 [ 104.167927][ T8161] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 104.189715][ T8161] RSP: 002b:00007fa9fca3d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.199996][ T8161] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 104.209396][ T8161] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 104.219122][ T8161] RBP: 00007fa9fca3d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 104.228438][ T8161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 104.236932][ T8161] R13: 00007fff43d2160f R14: 00007fa9fca3d300 R15: 0000000000022000 2021/03/13 03:37:07 executed programs: 96 [ 104.376960][ T8161] team0: Port device team_slave_1 removed [ 104.449713][ T8173] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 104.475957][ T8189] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 104.807691][ T8195] FAULT_INJECTION: forcing a failure. [ 104.807691][ T8195] name failslab, interval 1, probability 0, space 0, times 0 [ 104.821595][ T8195] CPU: 0 PID: 8195 Comm: syz-executor.3 Not tainted 5.12.0-rc2-syzkaller #0 [ 104.831553][ T8195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.842943][ T8195] Call Trace: [ 104.846738][ T8195] dump_stack+0x10c/0x14b [ 104.851376][ T8195] should_fail.cold+0x5/0xa [ 104.856540][ T8195] ? mark_held_locks+0x9f/0xe0 [ 104.861974][ T8195] should_failslab+0x5/0x10 [ 104.866918][ T8195] kmem_cache_alloc_node_trace+0x65/0x540 [ 104.873619][ T8195] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 104.879398][ T8195] __kmalloc_node_track_caller+0x38/0x60 [ 104.886077][ T8195] __alloc_skb+0x8b/0x280 [ 104.890807][ T8195] __neigh_notify+0x7f/0x110 [ 104.895987][ T8195] neigh_cleanup_and_release+0x5a/0x220 [ 104.903248][ T8195] neigh_flush_dev+0x4f4/0x800 [ 104.908113][ T8195] ? lock_release+0x424/0x7e0 [ 104.913315][ T8195] __neigh_ifdown.isra.0+0x44/0x390 [ 104.919223][ T8195] ? __local_bh_enable_ip+0x11f/0x220 [ 104.924695][ T8195] ? rt6_disable_ip+0x49d/0x6a0 [ 104.929923][ T8195] neigh_ifdown+0x7/0x10 [ 104.934611][ T8195] rt6_disable_ip+0x551/0x6a0 [ 104.939439][ T8195] ? rt6_sync_down_dev+0x110/0x110 [ 104.944751][ T8195] ? mark_lock+0xf0/0x15f0 [ 104.949157][ T8195] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 104.955081][ T8195] ? lock_chain_count+0x20/0x20 [ 104.961160][ T8195] ? add_addr+0x240/0x240 [ 104.966270][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 104.972250][ T8195] ? lock_is_held_type+0xfa/0x130 [ 104.977819][ T8195] addrconf_notify+0x3e6/0x1ca0 [ 104.983435][ T8195] ? mark_held_locks+0x9f/0xe0 [ 104.989058][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 104.996372][ T8195] ? tls_device_sk_destruct+0x610/0x610 [ 105.003840][ T8195] ? clusterip_netdev_event+0x369/0x540 [ 105.011113][ T8195] ? inet6_ifinfo_notify+0x100/0x100 [ 105.017659][ T8195] ? __local_bh_enable_ip+0x11f/0x220 [ 105.023889][ T8195] ? clusterip_netdev_event+0x369/0x540 [ 105.030740][ T8195] notifier_call_chain+0x94/0x170 [ 105.038315][ T8195] dev_close_many+0x28c/0x560 [ 105.045100][ T8195] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 105.051359][ T8195] dev_change_net_namespace+0xcb7/0x1000 [ 105.060165][ T8195] ? lock_downgrade+0x7b0/0x7b0 [ 105.066696][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 105.075254][ T8195] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 105.082994][ T8195] ? security_capable+0x4c/0x90 [ 105.089337][ T8195] ? ns_capable+0x53/0xc0 [ 105.094453][ T8195] do_setlink+0x16b/0x2f10 [ 105.100320][ T8195] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 105.106882][ T8195] ? unwind_get_return_address+0x51/0x90 [ 105.114797][ T8195] ? rtnl_getlink+0x930/0x930 [ 105.120183][ T8195] ? mark_lock+0xf0/0x15f0 [ 105.125251][ T8195] ? __lock_acquire+0xbc5/0x5050 [ 105.130810][ T8195] ? lock_chain_count+0x20/0x20 [ 105.136270][ T8195] ? mark_lock+0xf0/0x15f0 [ 105.142295][ T8195] ? memset+0x20/0x40 [ 105.147140][ T8195] ? __nla_validate_parse+0xb2/0x1fd0 [ 105.154214][ T8195] ? nla_get_range_signed+0x540/0x540 [ 105.159763][ T8195] __rtnl_newlink+0xab2/0x1350 [ 105.165155][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 105.171439][ T8195] ? rtnl_setlink+0x320/0x320 [ 105.176838][ T8195] ? lock_release+0x424/0x7e0 [ 105.182424][ T8195] ? is_bpf_text_address+0x5f/0xe0 [ 105.188556][ T8195] ? is_bpf_text_address+0x77/0xe0 [ 105.194594][ T8195] ? kernel_text_address+0xbd/0xf0 [ 105.200638][ T8195] ? __kernel_text_address+0x9/0x30 [ 105.207094][ T8195] ? unwind_get_return_address+0x51/0x90 [ 105.213741][ T8195] ? create_prof_cpu_mask+0x20/0x20 [ 105.220164][ T8195] ? arch_stack_walk+0x93/0xe0 [ 105.225975][ T8195] ? stack_trace_save+0x8c/0xc0 [ 105.231818][ T8195] ? stack_trace_consume_entry+0x160/0x160 [ 105.238235][ T8195] ? fs_reclaim_release+0x9c/0xe0 [ 105.244313][ T8195] ? lock_is_held_type+0xfa/0x130 [ 105.249743][ T8195] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 105.256839][ T8195] ? trace_kmalloc+0xbe/0xf0 [ 105.262341][ T8195] ? kmem_cache_alloc_trace+0x21c/0x400 [ 105.269014][ T8195] rtnl_newlink+0x5a/0x90 [ 105.274361][ T8195] rtnetlink_rcv_msg+0x32f/0x860 [ 105.279951][ T8195] ? rtnetlink_put_metrics+0x420/0x420 [ 105.285968][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 105.292483][ T8195] ? netdev_core_pick_tx+0x290/0x290 [ 105.299364][ T8195] ? lock_acquire+0x130/0x850 [ 105.307073][ T8195] netlink_rcv_skb+0x118/0x370 [ 105.314793][ T8195] ? rtnetlink_put_metrics+0x420/0x420 [ 105.322347][ T8195] ? netlink_ack+0x9f0/0x9f0 [ 105.327657][ T8195] ? netlink_deliver_tap+0x15d/0x990 [ 105.334276][ T8195] netlink_unicast+0x42e/0x700 [ 105.340044][ T8195] ? netlink_attachskb+0x730/0x730 [ 105.346407][ T8195] ? _copy_from_iter_full+0x177/0x690 [ 105.352472][ T8195] netlink_sendmsg+0x70e/0xbe0 [ 105.357660][ T8195] ? netlink_unicast+0x700/0x700 [ 105.363248][ T8195] ? iovec_from_user+0x143/0x290 [ 105.369236][ T8195] ? netlink_unicast+0x700/0x700 [ 105.375357][ T8195] sock_sendmsg+0xab/0xe0 [ 105.381319][ T8195] ____sys_sendmsg+0x5bf/0x7a0 [ 105.388601][ T8195] ? kernel_sendmsg+0x30/0x30 [ 105.394320][ T8195] ? do_recvmmsg+0x550/0x550 [ 105.399715][ T8195] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 105.408158][ T8195] ? __might_fault+0xb5/0x160 [ 105.414390][ T8195] ___sys_sendmsg+0xd3/0x150 [ 105.419900][ T8195] ? sendmsg_copy_msghdr+0x110/0x110 [ 105.427392][ T8195] ? find_held_lock+0x2d/0x110 [ 105.432807][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 105.439230][ T8195] ? lock_release+0x424/0x7e0 [ 105.444381][ T8195] ? __fget_files+0x193/0x2b0 [ 105.449958][ T8195] ? lock_downgrade+0x7b0/0x7b0 [ 105.457681][ T8195] ? find_held_lock+0x2d/0x110 [ 105.464246][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 105.471777][ T8195] ? lock_is_held_type+0xfa/0x130 [ 105.478575][ T8195] ? __fget_files+0x1ab/0x2b0 [ 105.484557][ T8195] ? __fget_light+0xbe/0x220 [ 105.490151][ T8195] __sys_sendmsg+0xb2/0x140 [ 105.495124][ T8195] ? __sys_sendmsg_sock+0x10/0x10 [ 105.501092][ T8195] ? check_preemption_disabled+0x36/0xd0 [ 105.508156][ T8195] ? syscall_enter_from_user_mode+0x1d/0x60 [ 105.515501][ T8195] ? lockdep_hardirqs_on+0x54/0x100 [ 105.523706][ T8195] do_syscall_64+0x2d/0x70 [ 105.530974][ T8195] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 105.538362][ T8195] RIP: 0033:0x464d29 [ 105.543129][ T8195] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 105.569056][ T8195] RSP: 002b:00007fd8e34d8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.578874][ T8195] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 105.588755][ T8195] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 105.598431][ T8195] RBP: 00007fd8e34d81d0 R08: 0000000000000000 R09: 0000000000000000 [ 105.607708][ T8195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 105.619511][ T8195] R13: 00007fffa582f32f R14: 00007fd8e34d8300 R15: 0000000000022000 [ 105.900307][ T8202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 105.920085][ T8203] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 106.040680][ T8204] FAULT_INJECTION: forcing a failure. [ 106.040680][ T8204] name failslab, interval 1, probability 0, space 0, times 0 [ 106.056184][ T8204] CPU: 0 PID: 8204 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 106.066225][ T8204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.077536][ T8204] Call Trace: [ 106.081038][ T8204] dump_stack+0x10c/0x14b [ 106.086189][ T8204] should_fail.cold+0x5/0xa [ 106.091307][ T8204] ? mark_held_locks+0x9f/0xe0 [ 106.096437][ T8204] should_failslab+0x5/0x10 [ 106.101423][ T8204] kmem_cache_alloc_node_trace+0x65/0x540 [ 106.108203][ T8204] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 106.114101][ T8204] __kmalloc_node_track_caller+0x38/0x60 [ 106.120274][ T8204] __alloc_skb+0x8b/0x280 [ 106.124706][ T8204] inet6_rt_notify+0xd1/0x270 [ 106.129808][ T8204] fib6_del+0xd17/0x1500 [ 106.134359][ T8204] ? fib6_locate+0xd0/0xd0 [ 106.139391][ T8204] ? mark_held_locks+0x9f/0xe0 [ 106.144400][ T8204] fib6_clean_node+0x2fc/0x4a0 [ 106.149169][ T8204] ? fib6_del+0x1500/0x1500 [ 106.154343][ T8204] fib6_walk_continue+0x3c2/0x780 [ 106.160046][ T8204] fib6_walk+0x168/0x330 [ 106.164716][ T8204] fib6_clean_tree+0xaa/0xe0 [ 106.169801][ T8204] ? fib6_walk+0x330/0x330 [ 106.174533][ T8204] ? fib6_del+0x1500/0x1500 [ 106.179802][ T8204] ? rwlock_bug.part.0+0x90/0x90 [ 106.185325][ T8204] ? fib6_ifup+0x260/0x260 [ 106.190115][ T8204] __fib6_clean_all+0xe1/0x1e0 [ 106.195139][ T8204] ? fib6_ifup+0x260/0x260 [ 106.200058][ T8204] rt6_disable_ip+0x5a5/0x6a0 [ 106.205245][ T8204] ? __lock_acquire+0x15f0/0x5050 [ 106.210453][ T8204] ? rt6_sync_down_dev+0x110/0x110 [ 106.216045][ T8204] ? mark_lock+0xf0/0x15f0 [ 106.220825][ T8204] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 106.226705][ T8204] ? lock_chain_count+0x20/0x20 [ 106.231894][ T8204] ? add_addr+0x240/0x240 [ 106.236408][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.242517][ T8204] ? lock_is_held_type+0xfa/0x130 [ 106.248055][ T8204] addrconf_notify+0x3e6/0x1ca0 [ 106.252958][ T8204] ? mark_held_locks+0x9f/0xe0 [ 106.258249][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.264564][ T8204] ? tls_device_sk_destruct+0x610/0x610 [ 106.271807][ T8204] ? clusterip_netdev_event+0x369/0x540 [ 106.279271][ T8204] ? inet6_ifinfo_notify+0x100/0x100 [ 106.285611][ T8204] ? __local_bh_enable_ip+0x11f/0x220 [ 106.292104][ T8204] ? clusterip_netdev_event+0x369/0x540 [ 106.299156][ T8204] notifier_call_chain+0x94/0x170 [ 106.304855][ T8204] dev_close_many+0x28c/0x560 [ 106.310310][ T8204] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 106.316711][ T8204] dev_change_net_namespace+0xcb7/0x1000 [ 106.322629][ T8204] ? lock_downgrade+0x7b0/0x7b0 [ 106.328560][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.334911][ T8204] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 106.340848][ T8204] ? security_capable+0x4c/0x90 [ 106.346159][ T8204] ? ns_capable+0x53/0xc0 [ 106.351172][ T8204] do_setlink+0x16b/0x2f10 [ 106.355979][ T8204] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 106.362260][ T8204] ? unwind_get_return_address+0x51/0x90 [ 106.368881][ T8204] ? rtnl_getlink+0x930/0x930 [ 106.374052][ T8204] ? mark_lock+0xf0/0x15f0 [ 106.379152][ T8204] ? __lock_acquire+0xbc5/0x5050 [ 106.385038][ T8204] ? lock_chain_count+0x20/0x20 [ 106.391046][ T8204] ? mark_lock+0xf0/0x15f0 [ 106.395966][ T8204] ? memset+0x20/0x40 [ 106.400257][ T8204] ? __nla_validate_parse+0xb2/0x1fd0 [ 106.406107][ T8204] ? nla_get_range_signed+0x540/0x540 [ 106.412278][ T8204] __rtnl_newlink+0xab2/0x1350 [ 106.417482][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.424032][ T8204] ? rtnl_setlink+0x320/0x320 [ 106.429058][ T8204] ? lock_release+0x424/0x7e0 [ 106.434075][ T8204] ? is_bpf_text_address+0x5f/0xe0 [ 106.439675][ T8204] ? is_bpf_text_address+0x77/0xe0 [ 106.446257][ T8204] ? kernel_text_address+0xbd/0xf0 [ 106.452375][ T8204] ? __kernel_text_address+0x9/0x30 [ 106.458620][ T8204] ? unwind_get_return_address+0x51/0x90 [ 106.464608][ T8204] ? create_prof_cpu_mask+0x20/0x20 [ 106.470472][ T8204] ? arch_stack_walk+0x93/0xe0 [ 106.477686][ T8204] ? stack_trace_save+0x8c/0xc0 [ 106.483151][ T8204] ? stack_trace_consume_entry+0x160/0x160 [ 106.489182][ T8204] ? fs_reclaim_release+0x9c/0xe0 [ 106.494201][ T8204] ? lock_is_held_type+0xfa/0x130 [ 106.499224][ T8204] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 106.505918][ T8204] ? trace_kmalloc+0xbe/0xf0 [ 106.511566][ T8204] ? kmem_cache_alloc_trace+0x21c/0x400 [ 106.518443][ T8204] rtnl_newlink+0x5a/0x90 [ 106.523708][ T8204] rtnetlink_rcv_msg+0x32f/0x860 [ 106.529472][ T8204] ? rtnetlink_put_metrics+0x420/0x420 [ 106.535664][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.542156][ T8204] ? netdev_core_pick_tx+0x290/0x290 [ 106.547962][ T8204] ? lock_acquire+0x130/0x850 [ 106.553648][ T8204] netlink_rcv_skb+0x118/0x370 [ 106.559030][ T8204] ? rtnetlink_put_metrics+0x420/0x420 [ 106.565549][ T8204] ? netlink_ack+0x9f0/0x9f0 [ 106.570673][ T8204] ? netlink_deliver_tap+0x15d/0x990 [ 106.577670][ T8204] netlink_unicast+0x42e/0x700 [ 106.582579][ T8204] ? netlink_attachskb+0x730/0x730 [ 106.588110][ T8204] ? _copy_from_iter_full+0x177/0x690 [ 106.594337][ T8204] netlink_sendmsg+0x70e/0xbe0 [ 106.599556][ T8204] ? netlink_unicast+0x700/0x700 [ 106.605297][ T8204] ? iovec_from_user+0x143/0x290 [ 106.611061][ T8204] ? netlink_unicast+0x700/0x700 [ 106.617038][ T8204] sock_sendmsg+0xab/0xe0 [ 106.622137][ T8204] ____sys_sendmsg+0x5bf/0x7a0 [ 106.627965][ T8204] ? kernel_sendmsg+0x30/0x30 [ 106.632989][ T8204] ? do_recvmmsg+0x550/0x550 [ 106.638395][ T8204] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 106.645864][ T8204] ? __might_fault+0xb5/0x160 [ 106.651700][ T8204] ___sys_sendmsg+0xd3/0x150 [ 106.656649][ T8204] ? sendmsg_copy_msghdr+0x110/0x110 [ 106.663535][ T8204] ? find_held_lock+0x2d/0x110 [ 106.668885][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.675776][ T8204] ? lock_release+0x424/0x7e0 [ 106.680917][ T8204] ? __fget_files+0x193/0x2b0 [ 106.686906][ T8204] ? lock_downgrade+0x7b0/0x7b0 [ 106.692850][ T8204] ? find_held_lock+0x2d/0x110 [ 106.698793][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.705514][ T8204] ? lock_is_held_type+0xfa/0x130 [ 106.711123][ T8204] ? __fget_files+0x1ab/0x2b0 [ 106.717555][ T8204] ? __fget_light+0xbe/0x220 [ 106.724204][ T8204] __sys_sendmsg+0xb2/0x140 [ 106.729157][ T8204] ? __sys_sendmsg_sock+0x10/0x10 [ 106.735131][ T8204] ? check_preemption_disabled+0x36/0xd0 [ 106.741603][ T8204] ? syscall_enter_from_user_mode+0x1d/0x60 [ 106.749912][ T8204] ? lockdep_hardirqs_on+0x54/0x100 [ 106.757767][ T8204] do_syscall_64+0x2d/0x70 [ 106.762631][ T8204] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 106.771571][ T8204] RIP: 0033:0x464d29 [ 106.776143][ T8204] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 106.799880][ T8204] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.809205][ T8204] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 106.818045][ T8204] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 106.827086][ T8204] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 106.835314][ T8204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 106.844092][ T8204] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 107.092283][ T8204] device veth1_vlan left promiscuous mode [ 107.120259][ T8208] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 107.138320][ T8204] syz-executor.4 (8204) used greatest stack depth: 22416 bytes left [ 107.287768][ T8209] FAULT_INJECTION: forcing a failure. [ 107.287768][ T8209] name failslab, interval 1, probability 0, space 0, times 0 [ 107.303832][ T8209] CPU: 0 PID: 8209 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 107.315628][ T8209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.328499][ T8209] Call Trace: [ 107.332539][ T8209] dump_stack+0x10c/0x14b [ 107.337396][ T8209] should_fail.cold+0x5/0xa [ 107.342390][ T8209] should_failslab+0x5/0x10 [ 107.347486][ T8209] kmem_cache_alloc_node+0x61/0x520 [ 107.353937][ T8209] __alloc_skb+0x153/0x280 [ 107.359189][ T8209] __neigh_notify+0x7f/0x110 [ 107.364669][ T8209] neigh_cleanup_and_release+0x5a/0x220 [ 107.372225][ T8209] neigh_flush_dev+0x4f4/0x800 [ 107.377930][ T8209] ? lock_release+0x424/0x7e0 [ 107.383094][ T8209] __neigh_ifdown.isra.0+0x44/0x390 [ 107.388935][ T8209] ? __local_bh_enable_ip+0x11f/0x220 [ 107.396067][ T8209] ? rt6_disable_ip+0x49d/0x6a0 [ 107.402733][ T8209] neigh_ifdown+0x7/0x10 [ 107.407348][ T8209] rt6_disable_ip+0x551/0x6a0 [ 107.412462][ T8209] ? rt6_sync_down_dev+0x110/0x110 [ 107.417760][ T8209] ? mark_lock+0xf0/0x15f0 [ 107.422996][ T8209] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 107.429414][ T8209] ? lock_chain_count+0x20/0x20 [ 107.435508][ T8209] ? add_addr+0x240/0x240 [ 107.440745][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 107.447552][ T8209] ? lock_is_held_type+0xfa/0x130 [ 107.454284][ T8209] addrconf_notify+0x3e6/0x1ca0 [ 107.461145][ T8209] ? mark_held_locks+0x9f/0xe0 [ 107.468518][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 107.478807][ T8209] ? tls_device_sk_destruct+0x610/0x610 [ 107.485438][ T8209] ? clusterip_netdev_event+0x369/0x540 [ 107.493224][ T8209] ? inet6_ifinfo_notify+0x100/0x100 [ 107.501247][ T8209] ? __local_bh_enable_ip+0x11f/0x220 [ 107.508243][ T8209] ? clusterip_netdev_event+0x369/0x540 [ 107.514914][ T8209] notifier_call_chain+0x94/0x170 [ 107.520579][ T8209] dev_close_many+0x28c/0x560 [ 107.525546][ T8209] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 107.532089][ T8209] dev_change_net_namespace+0xcb7/0x1000 [ 107.539194][ T8209] ? lock_downgrade+0x7b0/0x7b0 [ 107.545670][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 107.551967][ T8209] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 107.557859][ T8209] ? security_capable+0x4c/0x90 [ 107.563957][ T8209] ? ns_capable+0x53/0xc0 [ 107.568867][ T8209] do_setlink+0x16b/0x2f10 [ 107.573947][ T8209] ? mark_lock+0xf0/0x15f0 [ 107.579618][ T8209] ? rtnl_getlink+0x930/0x930 [ 107.586103][ T8209] ? lock_chain_count+0x20/0x20 [ 107.597584][ T8209] ? mark_lock+0xf0/0x15f0 [ 107.604890][ T8209] ? __lock_acquire+0xbc5/0x5050 [ 107.615569][ T8209] ? lock_chain_count+0x20/0x20 [ 107.623662][ T8209] ? mark_lock+0xf0/0x15f0 [ 107.633460][ T8209] ? mark_lock+0xf0/0x15f0 [ 107.640697][ T8209] ? mark_lock+0xf0/0x15f0 [ 107.647286][ T8209] ? memset+0x20/0x40 [ 107.652814][ T8209] ? __nla_validate_parse+0xb2/0x1fd0 [ 107.660387][ T8209] ? nla_get_range_signed+0x540/0x540 [ 107.667511][ T8209] __rtnl_newlink+0xab2/0x1350 [ 107.674232][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 107.682656][ T8209] ? rtnl_setlink+0x320/0x320 [ 107.688245][ T8209] ? lock_release+0x424/0x7e0 [ 107.695931][ T8209] ? is_bpf_text_address+0x5f/0xe0 [ 107.704357][ T8209] ? is_bpf_text_address+0x77/0xe0 [ 107.713103][ T8209] ? kernel_text_address+0xbd/0xf0 [ 107.725027][ T8209] ? __kernel_text_address+0x9/0x30 [ 107.735755][ T8209] ? unwind_get_return_address+0x51/0x90 [ 107.749581][ T8209] ? create_prof_cpu_mask+0x20/0x20 [ 107.759245][ T8209] ? arch_stack_walk+0x93/0xe0 [ 107.767866][ T8209] ? stack_trace_save+0x8c/0xc0 [ 107.777255][ T8209] ? stack_trace_consume_entry+0x160/0x160 [ 107.786774][ T8209] ? fs_reclaim_release+0x9c/0xe0 [ 107.794050][ T8209] ? lock_is_held_type+0xfa/0x130 [ 107.800900][ T8209] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 107.810039][ T8209] ? trace_kmalloc+0xbe/0xf0 [ 107.816481][ T8209] ? kmem_cache_alloc_trace+0x21c/0x400 [ 107.822371][ T8209] rtnl_newlink+0x5a/0x90 [ 107.827532][ T8209] rtnetlink_rcv_msg+0x32f/0x860 [ 107.833064][ T8209] ? rtnetlink_put_metrics+0x420/0x420 [ 107.839396][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 107.848748][ T8209] ? netdev_core_pick_tx+0x290/0x290 [ 107.854972][ T8209] ? lock_acquire+0x130/0x850 [ 107.861118][ T8209] netlink_rcv_skb+0x118/0x370 [ 107.868120][ T8209] ? rtnetlink_put_metrics+0x420/0x420 [ 107.875849][ T8209] ? netlink_ack+0x9f0/0x9f0 [ 107.881883][ T8209] ? netlink_deliver_tap+0x15d/0x990 [ 107.889406][ T8209] netlink_unicast+0x42e/0x700 [ 107.896176][ T8209] ? netlink_attachskb+0x730/0x730 [ 107.903642][ T8209] ? _copy_from_iter_full+0x177/0x690 [ 107.910031][ T8209] netlink_sendmsg+0x70e/0xbe0 [ 107.916502][ T8209] ? netlink_unicast+0x700/0x700 [ 107.922546][ T8209] ? iovec_from_user+0x143/0x290 [ 107.927707][ T8209] ? netlink_unicast+0x700/0x700 [ 107.933651][ T8209] sock_sendmsg+0xab/0xe0 [ 107.939830][ T8209] ____sys_sendmsg+0x5bf/0x7a0 [ 107.945450][ T8209] ? kernel_sendmsg+0x30/0x30 [ 107.953330][ T8209] ? do_recvmmsg+0x550/0x550 [ 107.960146][ T8209] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 107.968780][ T8209] ? __might_fault+0xb5/0x160 [ 107.974525][ T8209] ___sys_sendmsg+0xd3/0x150 [ 107.980142][ T8209] ? sendmsg_copy_msghdr+0x110/0x110 [ 107.986954][ T8209] ? find_held_lock+0x2d/0x110 [ 107.993600][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 108.001827][ T8209] ? lock_release+0x424/0x7e0 [ 108.008213][ T8209] ? __fget_files+0x193/0x2b0 [ 108.015205][ T8209] ? lock_downgrade+0x7b0/0x7b0 [ 108.022197][ T8209] ? find_held_lock+0x2d/0x110 [ 108.028407][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 108.037704][ T8209] ? lock_is_held_type+0xfa/0x130 [ 108.044256][ T8209] ? __fget_files+0x1ab/0x2b0 [ 108.049887][ T8209] ? __fget_light+0xbe/0x220 [ 108.055450][ T8209] __sys_sendmsg+0xb2/0x140 [ 108.061956][ T8209] ? __sys_sendmsg_sock+0x10/0x10 [ 108.068972][ T8209] ? check_preemption_disabled+0x36/0xd0 [ 108.078681][ T8209] ? syscall_enter_from_user_mode+0x1d/0x60 [ 108.089396][ T8209] ? lockdep_hardirqs_on+0x54/0x100 [ 108.098967][ T8209] do_syscall_64+0x2d/0x70 [ 108.106773][ T8209] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 108.114959][ T8209] RIP: 0033:0x464d29 [ 108.120171][ T8209] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 108.142991][ T8209] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.151977][ T8209] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 108.161153][ T8209] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 108.171132][ T8209] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 108.181704][ T8209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 108.193392][ T8209] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 108.579177][ T8235] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 108.599803][ T8240] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 108.651926][ T8266] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 109.289179][ T8268] FAULT_INJECTION: forcing a failure. [ 109.289179][ T8268] name failslab, interval 1, probability 0, space 0, times 0 [ 109.305804][ T8268] CPU: 0 PID: 8268 Comm: syz-executor.3 Not tainted 5.12.0-rc2-syzkaller #0 [ 109.317297][ T8268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.332106][ T8268] Call Trace: [ 109.337433][ T8268] dump_stack+0x10c/0x14b [ 109.343282][ T8268] should_fail.cold+0x5/0xa [ 109.350276][ T8268] should_failslab+0x5/0x10 [ 109.355325][ T8268] kmem_cache_alloc_node+0x61/0x520 [ 109.362584][ T8268] __alloc_skb+0x153/0x280 [ 109.369967][ T8268] __neigh_notify+0x7f/0x110 [ 109.375590][ T8268] neigh_cleanup_and_release+0x5a/0x220 [ 109.382105][ T8268] neigh_flush_dev+0x4f4/0x800 [ 109.387226][ T8268] ? lock_release+0x424/0x7e0 [ 109.392818][ T8268] __neigh_ifdown.isra.0+0x44/0x390 [ 109.400376][ T8268] ? __local_bh_enable_ip+0x11f/0x220 [ 109.406717][ T8268] ? rt6_disable_ip+0x49d/0x6a0 [ 109.412804][ T8268] neigh_ifdown+0x7/0x10 [ 109.417558][ T8268] rt6_disable_ip+0x551/0x6a0 [ 109.422854][ T8268] ? rt6_sync_down_dev+0x110/0x110 [ 109.429243][ T8268] ? mark_lock+0xf0/0x15f0 [ 109.434207][ T8268] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 109.441577][ T8268] ? lock_chain_count+0x20/0x20 [ 109.448243][ T8268] ? add_addr+0x240/0x240 [ 109.453867][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 109.461589][ T8268] ? lock_is_held_type+0xfa/0x130 [ 109.468546][ T8268] addrconf_notify+0x3e6/0x1ca0 [ 109.475817][ T8268] ? mark_held_locks+0x9f/0xe0 [ 109.483770][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 109.491083][ T8268] ? tls_device_sk_destruct+0x610/0x610 [ 109.498286][ T8268] ? clusterip_netdev_event+0x369/0x540 [ 109.505545][ T8268] ? inet6_ifinfo_notify+0x100/0x100 [ 109.512877][ T8268] ? __local_bh_enable_ip+0x11f/0x220 [ 109.521169][ T8268] ? clusterip_netdev_event+0x369/0x540 [ 109.529394][ T8268] notifier_call_chain+0x94/0x170 [ 109.534949][ T8268] dev_close_many+0x28c/0x560 [ 109.540170][ T8268] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 109.546614][ T8268] dev_change_net_namespace+0xcb7/0x1000 [ 109.553403][ T8268] ? lock_downgrade+0x7b0/0x7b0 [ 109.559183][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 109.565765][ T8268] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 109.572658][ T8268] ? security_capable+0x4c/0x90 [ 109.579144][ T8268] ? ns_capable+0x53/0xc0 [ 109.584486][ T8268] do_setlink+0x16b/0x2f10 [ 109.589754][ T8268] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 109.597614][ T8268] ? unwind_get_return_address+0x51/0x90 [ 109.604358][ T8268] ? rtnl_getlink+0x930/0x930 [ 109.609626][ T8268] ? mark_lock+0xf0/0x15f0 [ 109.614882][ T8268] ? __lock_acquire+0xbc5/0x5050 [ 109.620543][ T8268] ? lock_chain_count+0x20/0x20 [ 109.625958][ T8268] ? mark_lock+0xf0/0x15f0 [ 109.630672][ T8268] ? memset+0x20/0x40 [ 109.635060][ T8268] ? __nla_validate_parse+0xb2/0x1fd0 [ 109.641015][ T8268] ? nla_get_range_signed+0x540/0x540 [ 109.647244][ T8268] __rtnl_newlink+0xab2/0x1350 [ 109.652912][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 109.660451][ T8268] ? rtnl_setlink+0x320/0x320 [ 109.665726][ T8268] ? lock_release+0x424/0x7e0 [ 109.671405][ T8268] ? is_bpf_text_address+0x5f/0xe0 [ 109.678361][ T8268] ? is_bpf_text_address+0x77/0xe0 [ 109.686611][ T8268] ? kernel_text_address+0xbd/0xf0 [ 109.692117][ T8268] ? __kernel_text_address+0x9/0x30 [ 109.698734][ T8268] ? unwind_get_return_address+0x51/0x90 [ 109.705448][ T8268] ? create_prof_cpu_mask+0x20/0x20 [ 109.712103][ T8268] ? arch_stack_walk+0x93/0xe0 [ 109.717220][ T8268] ? stack_trace_save+0x8c/0xc0 [ 109.722765][ T8268] ? stack_trace_consume_entry+0x160/0x160 [ 109.729568][ T8268] ? fs_reclaim_release+0x9c/0xe0 [ 109.735223][ T8268] ? lock_is_held_type+0xfa/0x130 [ 109.741605][ T8268] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 109.748389][ T8268] ? trace_kmalloc+0xbe/0xf0 [ 109.754307][ T8268] ? kmem_cache_alloc_trace+0x21c/0x400 [ 109.760816][ T8268] rtnl_newlink+0x5a/0x90 [ 109.765399][ T8268] rtnetlink_rcv_msg+0x32f/0x860 [ 109.771385][ T8268] ? rtnetlink_put_metrics+0x420/0x420 [ 109.777482][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 109.784439][ T8268] ? netdev_core_pick_tx+0x290/0x290 [ 109.790410][ T8268] ? lock_acquire+0x130/0x850 [ 109.795658][ T8268] netlink_rcv_skb+0x118/0x370 [ 109.801791][ T8268] ? rtnetlink_put_metrics+0x420/0x420 [ 109.808476][ T8268] ? netlink_ack+0x9f0/0x9f0 [ 109.813547][ T8268] ? netlink_deliver_tap+0x15d/0x990 [ 109.819697][ T8268] netlink_unicast+0x42e/0x700 [ 109.824949][ T8268] ? netlink_attachskb+0x730/0x730 [ 109.830519][ T8268] ? _copy_from_iter_full+0x177/0x690 [ 109.836197][ T8268] netlink_sendmsg+0x70e/0xbe0 [ 109.842526][ T8268] ? netlink_unicast+0x700/0x700 [ 109.848500][ T8268] ? iovec_from_user+0x143/0x290 [ 109.854891][ T8268] ? netlink_unicast+0x700/0x700 [ 109.861443][ T8268] sock_sendmsg+0xab/0xe0 [ 109.867272][ T8268] ____sys_sendmsg+0x5bf/0x7a0 [ 109.874013][ T8268] ? kernel_sendmsg+0x30/0x30 [ 109.878957][ T8268] ? do_recvmmsg+0x550/0x550 [ 109.884486][ T8268] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 109.891834][ T8268] ? __might_fault+0xb5/0x160 [ 109.898688][ T8268] ___sys_sendmsg+0xd3/0x150 [ 109.904992][ T8268] ? sendmsg_copy_msghdr+0x110/0x110 [ 109.911937][ T8268] ? find_held_lock+0x2d/0x110 [ 109.918558][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 109.925983][ T8268] ? lock_release+0x424/0x7e0 [ 109.930785][ T8268] ? __fget_files+0x193/0x2b0 [ 109.935473][ T8268] ? lock_downgrade+0x7b0/0x7b0 [ 109.940524][ T8268] ? find_held_lock+0x2d/0x110 [ 109.946385][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 109.954224][ T8268] ? lock_is_held_type+0xfa/0x130 [ 109.961797][ T8268] ? __fget_files+0x1ab/0x2b0 [ 109.967827][ T8268] ? __fget_light+0xbe/0x220 [ 109.976890][ T8268] __sys_sendmsg+0xb2/0x140 [ 109.985586][ T8268] ? __sys_sendmsg_sock+0x10/0x10 [ 109.992761][ T8268] ? check_preemption_disabled+0x36/0xd0 [ 110.000179][ T8268] ? syscall_enter_from_user_mode+0x1d/0x60 [ 110.006877][ T8268] ? lockdep_hardirqs_on+0x54/0x100 [ 110.014440][ T8268] do_syscall_64+0x2d/0x70 [ 110.021537][ T8268] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 110.031925][ T8268] RIP: 0033:0x464d29 [ 110.038951][ T8268] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 110.067285][ T8268] RSP: 002b:00007fd8e34d8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.078517][ T8268] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 110.088701][ T8268] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 110.097746][ T8268] RBP: 00007fd8e34d81d0 R08: 0000000000000000 R09: 0000000000000000 [ 110.107330][ T8268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 110.118666][ T8268] R13: 00007fffa582f32f R14: 00007fd8e34d8300 R15: 0000000000022000 2021/03/13 03:37:13 executed programs: 103 [ 110.393609][ T8273] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 110.511840][ T8274] FAULT_INJECTION: forcing a failure. [ 110.511840][ T8274] name failslab, interval 1, probability 0, space 0, times 0 [ 110.525896][ T8274] CPU: 0 PID: 8274 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 110.535410][ T8274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.546940][ T8274] Call Trace: [ 110.550610][ T8274] dump_stack+0x10c/0x14b [ 110.555266][ T8274] should_fail.cold+0x5/0xa [ 110.560546][ T8274] should_failslab+0x5/0x10 [ 110.565624][ T8274] kmem_cache_alloc_node+0x61/0x520 [ 110.571498][ T8274] __alloc_skb+0x153/0x280 [ 110.577426][ T8274] __neigh_notify+0x7f/0x110 [ 110.583030][ T8274] neigh_cleanup_and_release+0x5a/0x220 [ 110.588746][ T8274] neigh_flush_dev+0x4f4/0x800 [ 110.593835][ T8274] ? lock_release+0x424/0x7e0 [ 110.598628][ T8274] __neigh_ifdown.isra.0+0x44/0x390 [ 110.604078][ T8274] ? __local_bh_enable_ip+0x11f/0x220 [ 110.609858][ T8274] ? rt6_disable_ip+0x49d/0x6a0 [ 110.615252][ T8274] neigh_ifdown+0x7/0x10 [ 110.620168][ T8274] rt6_disable_ip+0x551/0x6a0 [ 110.625798][ T8274] ? rt6_sync_down_dev+0x110/0x110 [ 110.631691][ T8274] ? mark_lock+0xf0/0x15f0 [ 110.636856][ T8274] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 110.643617][ T8274] ? lock_chain_count+0x20/0x20 [ 110.648753][ T8274] ? add_addr+0x240/0x240 [ 110.653362][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 110.659870][ T8274] ? lock_is_held_type+0xfa/0x130 [ 110.665904][ T8274] addrconf_notify+0x3e6/0x1ca0 [ 110.671101][ T8274] ? mark_held_locks+0x9f/0xe0 [ 110.676056][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 110.682115][ T8274] ? tls_device_sk_destruct+0x610/0x610 [ 110.688484][ T8274] ? clusterip_netdev_event+0x369/0x540 [ 110.694487][ T8274] ? inet6_ifinfo_notify+0x100/0x100 [ 110.700739][ T8274] ? __local_bh_enable_ip+0x11f/0x220 [ 110.707103][ T8274] ? clusterip_netdev_event+0x369/0x540 [ 110.713794][ T8274] notifier_call_chain+0x94/0x170 [ 110.719240][ T8274] dev_close_many+0x28c/0x560 [ 110.724339][ T8274] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 110.730507][ T8274] dev_change_net_namespace+0xcb7/0x1000 [ 110.736723][ T8274] ? lock_downgrade+0x7b0/0x7b0 [ 110.742475][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 110.749077][ T8274] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 110.755283][ T8274] ? security_capable+0x4c/0x90 [ 110.761933][ T8274] ? ns_capable+0x53/0xc0 [ 110.767062][ T8274] do_setlink+0x16b/0x2f10 [ 110.772867][ T8274] ? rtnl_getlink+0x930/0x930 [ 110.778443][ T8274] ? mark_lock+0xf0/0x15f0 [ 110.784634][ T8274] ? lock_chain_count+0x20/0x20 [ 110.790920][ T8274] ? mark_lock+0xf0/0x15f0 [ 110.796170][ T8274] ? mark_lock+0xf0/0x15f0 [ 110.801319][ T8274] ? update_sd_lb_stats.constprop.0+0x27d0/0x27d0 [ 110.808758][ T8274] ? memset+0x20/0x40 [ 110.813729][ T8274] ? __nla_validate_parse+0xb2/0x1fd0 [ 110.820386][ T8274] ? nla_get_range_signed+0x540/0x540 [ 110.827120][ T8274] __rtnl_newlink+0xab2/0x1350 [ 110.832584][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 110.839218][ T8274] ? rtnl_setlink+0x320/0x320 [ 110.844159][ T8274] ? lock_release+0x424/0x7e0 [ 110.849393][ T8274] ? is_bpf_text_address+0x5f/0xe0 [ 110.855618][ T8274] ? is_bpf_text_address+0x77/0xe0 [ 110.861551][ T8274] ? kernel_text_address+0xbd/0xf0 [ 110.867418][ T8274] ? __kernel_text_address+0x9/0x30 [ 110.873760][ T8274] ? unwind_get_return_address+0x51/0x90 [ 110.880030][ T8274] ? create_prof_cpu_mask+0x20/0x20 [ 110.886442][ T8274] ? arch_stack_walk+0x93/0xe0 [ 110.892457][ T8274] ? stack_trace_save+0x8c/0xc0 [ 110.898881][ T8274] ? stack_trace_consume_entry+0x160/0x160 [ 110.905466][ T8274] ? fs_reclaim_release+0x9c/0xe0 [ 110.910769][ T8274] ? lock_is_held_type+0xfa/0x130 [ 110.916549][ T8274] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 110.923348][ T8274] ? trace_kmalloc+0xbe/0xf0 [ 110.928464][ T8274] ? kmem_cache_alloc_trace+0x21c/0x400 [ 110.934915][ T8274] rtnl_newlink+0x5a/0x90 [ 110.939830][ T8274] rtnetlink_rcv_msg+0x32f/0x860 [ 110.945413][ T8274] ? rtnetlink_put_metrics+0x420/0x420 [ 110.951450][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 110.957530][ T8274] ? netdev_core_pick_tx+0x290/0x290 [ 110.963628][ T8274] ? lock_acquire+0x130/0x850 [ 110.968662][ T8274] netlink_rcv_skb+0x118/0x370 [ 110.974619][ T8274] ? rtnetlink_put_metrics+0x420/0x420 [ 110.981429][ T8274] ? netlink_ack+0x9f0/0x9f0 [ 110.987417][ T8274] ? netlink_deliver_tap+0x15d/0x990 [ 110.993894][ T8274] netlink_unicast+0x42e/0x700 [ 111.000438][ T8274] ? netlink_attachskb+0x730/0x730 [ 111.006122][ T8274] ? _copy_from_iter_full+0x177/0x690 [ 111.012514][ T8274] netlink_sendmsg+0x70e/0xbe0 [ 111.018550][ T8274] ? netlink_unicast+0x700/0x700 [ 111.023479][ T8274] ? iovec_from_user+0x143/0x290 [ 111.028827][ T8274] ? netlink_unicast+0x700/0x700 [ 111.035578][ T8274] sock_sendmsg+0xab/0xe0 [ 111.040629][ T8274] ____sys_sendmsg+0x5bf/0x7a0 [ 111.045657][ T8274] ? kernel_sendmsg+0x30/0x30 [ 111.050873][ T8274] ? do_recvmmsg+0x550/0x550 [ 111.055872][ T8274] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 111.062586][ T8274] ? __might_fault+0xb5/0x160 [ 111.067495][ T8274] ___sys_sendmsg+0xd3/0x150 [ 111.072799][ T8274] ? sendmsg_copy_msghdr+0x110/0x110 [ 111.078386][ T8274] ? find_held_lock+0x2d/0x110 [ 111.083587][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 111.091759][ T8274] ? lock_release+0x424/0x7e0 [ 111.097577][ T8274] ? __fget_files+0x193/0x2b0 [ 111.102604][ T8274] ? lock_downgrade+0x7b0/0x7b0 [ 111.108494][ T8274] ? find_held_lock+0x2d/0x110 [ 111.114228][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 111.121349][ T8274] ? lock_is_held_type+0xfa/0x130 [ 111.127095][ T8274] ? __fget_files+0x1ab/0x2b0 [ 111.132245][ T8274] ? __fget_light+0xbe/0x220 [ 111.137348][ T8274] __sys_sendmsg+0xb2/0x140 [ 111.142814][ T8274] ? __sys_sendmsg_sock+0x10/0x10 [ 111.148108][ T8274] ? check_preemption_disabled+0x36/0xd0 [ 111.154019][ T8274] ? syscall_enter_from_user_mode+0x1d/0x60 [ 111.160411][ T8274] ? lockdep_hardirqs_on+0x54/0x100 [ 111.165735][ T8274] do_syscall_64+0x2d/0x70 [ 111.171249][ T8274] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 111.177799][ T8274] RIP: 0033:0x464d29 [ 111.182047][ T8274] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 111.204300][ T8274] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.213819][ T8274] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 111.222845][ T8274] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 111.231685][ T8274] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 111.239973][ T8274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 111.248384][ T8274] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 111.474000][ T8274] device veth1_vlan entered promiscuous mode [ 111.512067][ T8290] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 111.561316][ T8324] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 112.084504][ T8326] FAULT_INJECTION: forcing a failure. [ 112.084504][ T8326] name failslab, interval 1, probability 0, space 0, times 0 [ 112.102750][ T8326] CPU: 1 PID: 8326 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 112.113784][ T8326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.127944][ T8326] Call Trace: [ 112.131408][ T8326] dump_stack+0x10c/0x14b [ 112.137134][ T8326] should_fail.cold+0x5/0xa [ 112.143064][ T8326] should_failslab+0x5/0x10 [ 112.149078][ T8326] kmem_cache_alloc_node+0x61/0x520 [ 112.158200][ T8326] __alloc_skb+0x153/0x280 [ 112.163527][ T8326] __neigh_notify+0x7f/0x110 [ 112.169890][ T8326] neigh_cleanup_and_release+0x5a/0x220 [ 112.178735][ T8326] neigh_flush_dev+0x4f4/0x800 [ 112.184458][ T8326] ? lock_release+0x424/0x7e0 [ 112.191364][ T8326] __neigh_ifdown.isra.0+0x44/0x390 [ 112.198455][ T8326] ? __local_bh_enable_ip+0x11f/0x220 [ 112.205557][ T8326] ? rt6_disable_ip+0x49d/0x6a0 [ 112.212564][ T8326] neigh_ifdown+0x7/0x10 [ 112.218642][ T8326] rt6_disable_ip+0x551/0x6a0 [ 112.224280][ T8326] ? rt6_sync_down_dev+0x110/0x110 [ 112.231670][ T8326] ? mark_lock+0xf0/0x15f0 [ 112.237216][ T8326] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 112.243440][ T8326] ? lock_chain_count+0x20/0x20 [ 112.249003][ T8326] ? add_addr+0x240/0x240 [ 112.253820][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.263098][ T8326] ? lock_is_held_type+0xfa/0x130 [ 112.272856][ T8326] addrconf_notify+0x3e6/0x1ca0 [ 112.281687][ T8326] ? mark_held_locks+0x9f/0xe0 [ 112.289390][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.301589][ T8326] ? tls_device_sk_destruct+0x610/0x610 [ 112.307492][ T8326] ? clusterip_netdev_event+0x369/0x540 [ 112.313582][ T8326] ? inet6_ifinfo_notify+0x100/0x100 [ 112.319826][ T8326] ? __local_bh_enable_ip+0x11f/0x220 [ 112.326751][ T8326] ? clusterip_netdev_event+0x369/0x540 [ 112.333290][ T8326] notifier_call_chain+0x94/0x170 [ 112.340414][ T8326] dev_close_many+0x28c/0x560 [ 112.346434][ T8326] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 112.352551][ T8326] dev_change_net_namespace+0xcb7/0x1000 [ 112.359762][ T8326] ? lock_downgrade+0x7b0/0x7b0 [ 112.365286][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.371617][ T8326] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 112.377588][ T8326] ? security_capable+0x4c/0x90 [ 112.383334][ T8326] ? ns_capable+0x53/0xc0 [ 112.387854][ T8326] do_setlink+0x16b/0x2f10 [ 112.394309][ T8326] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 112.402349][ T8326] ? unwind_get_return_address+0x51/0x90 [ 112.409207][ T8326] ? rtnl_getlink+0x930/0x930 [ 112.414723][ T8326] ? mark_lock+0xf0/0x15f0 [ 112.419766][ T8326] ? __lock_acquire+0xbc5/0x5050 [ 112.425428][ T8326] ? lock_chain_count+0x20/0x20 [ 112.431454][ T8326] ? mark_lock+0xf0/0x15f0 [ 112.436234][ T8326] ? memset+0x20/0x40 [ 112.440854][ T8326] ? __nla_validate_parse+0xb2/0x1fd0 [ 112.449021][ T8326] ? nla_get_range_signed+0x540/0x540 [ 112.455132][ T8326] __rtnl_newlink+0xab2/0x1350 [ 112.460399][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.466952][ T8326] ? rtnl_setlink+0x320/0x320 [ 112.472315][ T8326] ? lock_release+0x424/0x7e0 [ 112.479076][ T8326] ? is_bpf_text_address+0x5f/0xe0 [ 112.485557][ T8326] ? is_bpf_text_address+0x77/0xe0 [ 112.492396][ T8326] ? kernel_text_address+0xbd/0xf0 [ 112.500068][ T8326] ? __kernel_text_address+0x9/0x30 [ 112.506847][ T8326] ? unwind_get_return_address+0x51/0x90 [ 112.513355][ T8326] ? create_prof_cpu_mask+0x20/0x20 [ 112.519642][ T8326] ? arch_stack_walk+0x93/0xe0 [ 112.525120][ T8326] ? stack_trace_save+0x8c/0xc0 [ 112.530301][ T8326] ? stack_trace_consume_entry+0x160/0x160 [ 112.539362][ T8326] ? fs_reclaim_release+0x9c/0xe0 [ 112.546037][ T8326] ? lock_is_held_type+0xfa/0x130 [ 112.551322][ T8326] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 112.557787][ T8326] ? trace_kmalloc+0xbe/0xf0 [ 112.562911][ T8326] ? kmem_cache_alloc_trace+0x21c/0x400 [ 112.569107][ T8326] rtnl_newlink+0x5a/0x90 [ 112.573468][ T8326] rtnetlink_rcv_msg+0x32f/0x860 [ 112.578534][ T8326] ? rtnetlink_put_metrics+0x420/0x420 [ 112.585588][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.591997][ T8326] ? netdev_core_pick_tx+0x290/0x290 [ 112.598116][ T8326] ? lock_acquire+0x130/0x850 [ 112.603328][ T8326] netlink_rcv_skb+0x118/0x370 [ 112.608203][ T8326] ? rtnetlink_put_metrics+0x420/0x420 [ 112.614294][ T8326] ? netlink_ack+0x9f0/0x9f0 [ 112.619820][ T8326] ? netlink_deliver_tap+0x15d/0x990 [ 112.625236][ T8326] netlink_unicast+0x42e/0x700 [ 112.630261][ T8326] ? netlink_attachskb+0x730/0x730 [ 112.635402][ T8326] ? _copy_from_iter_full+0x177/0x690 [ 112.642417][ T8326] netlink_sendmsg+0x70e/0xbe0 [ 112.647798][ T8326] ? netlink_unicast+0x700/0x700 [ 112.653214][ T8326] ? iovec_from_user+0x143/0x290 [ 112.658880][ T8326] ? netlink_unicast+0x700/0x700 [ 112.664870][ T8326] sock_sendmsg+0xab/0xe0 [ 112.669932][ T8326] ____sys_sendmsg+0x5bf/0x7a0 [ 112.675238][ T8326] ? kernel_sendmsg+0x30/0x30 [ 112.681136][ T8326] ? do_recvmmsg+0x550/0x550 [ 112.686025][ T8326] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 112.692522][ T8326] ? __might_fault+0xb5/0x160 [ 112.698210][ T8326] ___sys_sendmsg+0xd3/0x150 [ 112.703747][ T8326] ? sendmsg_copy_msghdr+0x110/0x110 [ 112.709895][ T8326] ? find_held_lock+0x2d/0x110 [ 112.715146][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.721257][ T8326] ? lock_release+0x424/0x7e0 [ 112.726725][ T8326] ? __fget_files+0x193/0x2b0 [ 112.731598][ T8326] ? lock_downgrade+0x7b0/0x7b0 [ 112.736853][ T8326] ? find_held_lock+0x2d/0x110 [ 112.742522][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.748378][ T8326] ? lock_is_held_type+0xfa/0x130 [ 112.753790][ T8326] ? __fget_files+0x1ab/0x2b0 [ 112.758626][ T8326] ? __fget_light+0xbe/0x220 [ 112.765284][ T8326] __sys_sendmsg+0xb2/0x140 [ 112.770446][ T8326] ? __sys_sendmsg_sock+0x10/0x10 [ 112.776385][ T8326] ? check_preemption_disabled+0x36/0xd0 [ 112.782283][ T8326] ? syscall_enter_from_user_mode+0x1d/0x60 [ 112.788171][ T8326] ? lockdep_hardirqs_on+0x54/0x100 [ 112.794251][ T8326] do_syscall_64+0x2d/0x70 [ 112.799203][ T8326] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 112.805295][ T8326] RIP: 0033:0x464d29 [ 112.809279][ T8326] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 112.830847][ T8326] RSP: 002b:00007feba3c48188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.840117][ T8326] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 112.849126][ T8326] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 112.857620][ T8326] RBP: 00007feba3c481d0 R08: 0000000000000000 R09: 0000000000000000 [ 112.866349][ T8326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 112.875816][ T8326] R13: 00007ffdf4fb4ecf R14: 00007feba3c48300 R15: 0000000000022000 [ 113.146342][ T8328] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 113.181807][ T8362] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 113.554244][ T8369] FAULT_INJECTION: forcing a failure. [ 113.554244][ T8369] name failslab, interval 1, probability 0, space 0, times 0 [ 113.567514][ T8369] CPU: 1 PID: 8369 Comm: syz-executor.3 Not tainted 5.12.0-rc2-syzkaller #0 [ 113.576947][ T8369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.587452][ T8369] Call Trace: [ 113.591357][ T8369] dump_stack+0x10c/0x14b [ 113.595922][ T8369] should_fail.cold+0x5/0xa [ 113.600545][ T8369] ? mark_held_locks+0x9f/0xe0 [ 113.605594][ T8369] should_failslab+0x5/0x10 [ 113.610663][ T8369] kmem_cache_alloc_node_trace+0x65/0x540 [ 113.616931][ T8369] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 113.622962][ T8369] __kmalloc_node_track_caller+0x38/0x60 [ 113.628892][ T8369] __alloc_skb+0x8b/0x280 [ 113.633366][ T8369] __neigh_notify+0x7f/0x110 [ 113.638322][ T8369] neigh_cleanup_and_release+0x5a/0x220 [ 113.644151][ T8369] neigh_flush_dev+0x4f4/0x800 [ 113.649332][ T8369] ? lock_release+0x424/0x7e0 [ 113.654229][ T8369] __neigh_ifdown.isra.0+0x44/0x390 [ 113.659612][ T8369] ? __local_bh_enable_ip+0x11f/0x220 [ 113.666223][ T8369] ? rt6_disable_ip+0x49d/0x6a0 [ 113.671780][ T8369] neigh_ifdown+0x7/0x10 [ 113.676528][ T8369] rt6_disable_ip+0x551/0x6a0 [ 113.681907][ T8369] ? rt6_sync_down_dev+0x110/0x110 [ 113.687422][ T8369] ? mark_lock+0xf0/0x15f0 [ 113.692504][ T8369] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 113.698395][ T8369] ? lock_chain_count+0x20/0x20 [ 113.704220][ T8369] ? add_addr+0x240/0x240 [ 113.709228][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 113.715160][ T8369] ? lock_is_held_type+0xfa/0x130 [ 113.720837][ T8369] addrconf_notify+0x3e6/0x1ca0 [ 113.725793][ T8369] ? mark_held_locks+0x9f/0xe0 [ 113.730782][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 113.737415][ T8369] ? tls_device_sk_destruct+0x610/0x610 [ 113.743635][ T8369] ? clusterip_netdev_event+0x369/0x540 [ 113.749664][ T8369] ? inet6_ifinfo_notify+0x100/0x100 [ 113.755155][ T8369] ? __local_bh_enable_ip+0x11f/0x220 [ 113.761541][ T8369] ? clusterip_netdev_event+0x369/0x540 [ 113.767414][ T8369] notifier_call_chain+0x94/0x170 [ 113.772810][ T8369] dev_close_many+0x28c/0x560 [ 113.778109][ T8369] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 113.784081][ T8369] dev_change_net_namespace+0xcb7/0x1000 [ 113.790189][ T8369] ? lock_downgrade+0x7b0/0x7b0 [ 113.795771][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 113.802059][ T8369] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 113.807740][ T8369] ? security_capable+0x4c/0x90 [ 113.813087][ T8369] ? ns_capable+0x53/0xc0 [ 113.817703][ T8369] do_setlink+0x16b/0x2f10 [ 113.822221][ T8369] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 113.828303][ T8369] ? unwind_get_return_address+0x51/0x90 [ 113.834135][ T8369] ? rtnl_getlink+0x930/0x930 [ 113.839156][ T8369] ? mark_lock+0xf0/0x15f0 [ 113.844202][ T8369] ? __lock_acquire+0xbc5/0x5050 [ 113.849841][ T8369] ? lock_chain_count+0x20/0x20 [ 113.855159][ T8369] ? mark_lock+0xf0/0x15f0 [ 113.860309][ T8369] ? memset+0x20/0x40 [ 113.864632][ T8369] ? __nla_validate_parse+0xb2/0x1fd0 [ 113.870590][ T8369] ? nla_get_range_signed+0x540/0x540 [ 113.876287][ T8369] __rtnl_newlink+0xab2/0x1350 [ 113.881574][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 113.888444][ T8369] ? rtnl_setlink+0x320/0x320 [ 113.893410][ T8369] ? lock_release+0x424/0x7e0 [ 113.898194][ T8369] ? is_bpf_text_address+0x5f/0xe0 [ 113.903514][ T8369] ? is_bpf_text_address+0x77/0xe0 [ 113.909599][ T8369] ? kernel_text_address+0xbd/0xf0 [ 113.915451][ T8369] ? __kernel_text_address+0x9/0x30 [ 113.921202][ T8369] ? unwind_get_return_address+0x51/0x90 [ 113.927395][ T8369] ? create_prof_cpu_mask+0x20/0x20 [ 113.932852][ T8369] ? arch_stack_walk+0x93/0xe0 [ 113.937973][ T8369] ? stack_trace_save+0x8c/0xc0 [ 113.943275][ T8369] ? stack_trace_consume_entry+0x160/0x160 [ 113.950110][ T8369] ? lock_acquire+0x212/0x850 [ 113.955362][ T8369] ? lockdep_hardirqs_on+0x54/0x100 [ 113.961045][ T8369] ? qlist_free_all+0xfc/0x140 [ 113.965827][ T8369] ? lock_is_held_type+0xfa/0x130 [ 113.971236][ T8369] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 113.977150][ T8369] ? trace_kmalloc+0xbe/0xf0 [ 113.982207][ T8369] ? kmem_cache_alloc_trace+0x21c/0x400 [ 113.988024][ T8369] rtnl_newlink+0x5a/0x90 [ 113.992727][ T8369] rtnetlink_rcv_msg+0x32f/0x860 [ 113.997768][ T8369] ? rtnetlink_put_metrics+0x420/0x420 [ 114.004288][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 114.010235][ T8369] ? netdev_core_pick_tx+0x290/0x290 [ 114.016820][ T8369] ? lock_acquire+0x130/0x850 [ 114.022444][ T8369] netlink_rcv_skb+0x118/0x370 [ 114.029588][ T8369] ? rtnetlink_put_metrics+0x420/0x420 [ 114.039478][ T8369] ? netlink_ack+0x9f0/0x9f0 [ 114.047046][ T8369] ? netlink_deliver_tap+0x15d/0x990 [ 114.054082][ T8369] netlink_unicast+0x42e/0x700 [ 114.060495][ T8369] ? netlink_attachskb+0x730/0x730 [ 114.066120][ T8369] ? _copy_from_iter_full+0x177/0x690 [ 114.073386][ T8369] netlink_sendmsg+0x70e/0xbe0 [ 114.078679][ T8369] ? netlink_unicast+0x700/0x700 [ 114.084434][ T8369] ? iovec_from_user+0x143/0x290 [ 114.090229][ T8369] ? netlink_unicast+0x700/0x700 [ 114.096592][ T8369] sock_sendmsg+0xab/0xe0 [ 114.103880][ T8369] ____sys_sendmsg+0x5bf/0x7a0 [ 114.114359][ T8369] ? kernel_sendmsg+0x30/0x30 [ 114.121112][ T8369] ? do_recvmmsg+0x550/0x550 [ 114.126849][ T8369] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 114.133771][ T8369] ? __might_fault+0xb5/0x160 [ 114.139022][ T8369] ___sys_sendmsg+0xd3/0x150 [ 114.144855][ T8369] ? sendmsg_copy_msghdr+0x110/0x110 [ 114.151031][ T8369] ? find_held_lock+0x2d/0x110 [ 114.156866][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 114.162873][ T8369] ? lock_release+0x424/0x7e0 [ 114.168669][ T8369] ? __fget_files+0x193/0x2b0 [ 114.174137][ T8369] ? lock_downgrade+0x7b0/0x7b0 [ 114.180743][ T8369] ? find_held_lock+0x2d/0x110 [ 114.186350][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 114.193525][ T8369] ? lock_is_held_type+0xfa/0x130 [ 114.200003][ T8369] ? __fget_files+0x1ab/0x2b0 [ 114.205600][ T8369] ? __fget_light+0xbe/0x220 [ 114.210588][ T8369] __sys_sendmsg+0xb2/0x140 [ 114.215419][ T8369] ? __sys_sendmsg_sock+0x10/0x10 [ 114.221801][ T8369] ? check_preemption_disabled+0x36/0xd0 [ 114.231086][ T8369] ? syscall_enter_from_user_mode+0x1d/0x60 [ 114.238547][ T8369] ? lockdep_hardirqs_on+0x54/0x100 [ 114.244364][ T8369] do_syscall_64+0x2d/0x70 [ 114.249621][ T8369] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 114.256138][ T8369] RIP: 0033:0x464d29 [ 114.261036][ T8369] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 114.282726][ T8369] RSP: 002b:00007fd8e34d8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.293221][ T8369] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 114.302555][ T8369] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 114.312865][ T8369] RBP: 00007fd8e34d81d0 R08: 0000000000000000 R09: 0000000000000000 [ 114.321969][ T8369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 114.331662][ T8369] R13: 00007fffa582f32f R14: 00007fd8e34d8300 R15: 0000000000022000 [ 114.597851][ T8382] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 114.706474][ T8383] FAULT_INJECTION: forcing a failure. [ 114.706474][ T8383] name failslab, interval 1, probability 0, space 0, times 0 [ 114.720970][ T8383] CPU: 0 PID: 8383 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 114.729812][ T8383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.741046][ T8383] Call Trace: [ 114.744715][ T8383] dump_stack+0x10c/0x14b [ 114.749516][ T8383] should_fail.cold+0x5/0xa [ 114.754335][ T8383] should_failslab+0x5/0x10 [ 114.759140][ T8383] kmem_cache_alloc_node+0x61/0x520 [ 114.765979][ T8383] __alloc_skb+0x153/0x280 [ 114.771373][ T8383] __neigh_notify+0x7f/0x110 [ 114.777545][ T8383] neigh_cleanup_and_release+0x5a/0x220 [ 114.785822][ T8383] neigh_flush_dev+0x4f4/0x800 [ 114.792819][ T8383] ? lock_release+0x424/0x7e0 [ 114.799360][ T8383] __neigh_ifdown.isra.0+0x44/0x390 [ 114.805591][ T8383] ? __local_bh_enable_ip+0x11f/0x220 [ 114.811338][ T8383] ? rt6_disable_ip+0x49d/0x6a0 [ 114.816549][ T8383] neigh_ifdown+0x7/0x10 [ 114.821615][ T8383] rt6_disable_ip+0x551/0x6a0 [ 114.826737][ T8383] ? rt6_sync_down_dev+0x110/0x110 [ 114.832311][ T8383] ? mark_lock+0xf0/0x15f0 [ 114.836825][ T8383] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 114.843103][ T8383] ? lock_chain_count+0x20/0x20 [ 114.848399][ T8383] ? add_addr+0x240/0x240 [ 114.853202][ T8383] ? check_preemption_disabled+0x36/0xd0 [ 114.859468][ T8383] ? lock_is_held_type+0xfa/0x130 [ 114.864855][ T8383] addrconf_notify+0x3e6/0x1ca0 [ 114.870237][ T8383] ? mark_held_locks+0x9f/0xe0 [ 114.875168][ T8383] ? check_preemption_disabled+0x36/0xd0 [ 114.880883][ T8383] ? tls_device_sk_destruct+0x610/0x610 [ 114.887452][ T8383] ? clusterip_netdev_event+0x369/0x540 [ 114.893181][ T8383] ? inet6_ifinfo_notify+0x100/0x100 [ 114.898726][ T8383] ? __local_bh_enable_ip+0x11f/0x220 [ 114.904677][ T8383] ? clusterip_netdev_event+0x369/0x540 [ 114.911487][ T8383] notifier_call_chain+0x94/0x170 [ 114.916793][ T8383] dev_close_many+0x28c/0x560 [ 114.921564][ T8383] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 114.927472][ T8383] dev_change_net_namespace+0xcb7/0x1000 [ 114.933458][ T8383] ? lock_downgrade+0x7b0/0x7b0 [ 114.939074][ T8383] ? check_preemption_disabled+0x36/0xd0 [ 114.945234][ T8383] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 114.950792][ T8383] ? security_capable+0x4c/0x90 [ 114.955755][ T8383] ? ns_capable+0x53/0xc0 [ 114.960587][ T8383] do_setlink+0x16b/0x2f10 [ 114.965453][ T8383] ? rtnl_getlink+0x930/0x930 [ 114.970445][ T8383] ? mark_lock+0xf0/0x15f0 [ 114.975346][ T8383] ? lock_chain_count+0x20/0x20 [ 114.980681][ T8383] ? mark_lock+0xf0/0x15f0 [ 114.985527][ T8383] ? mark_lock+0xf0/0x15f0 [ 114.990516][ T8383] ? update_sd_lb_stats.constprop.0+0x27d0/0x27d0 [ 114.997737][ T8383] ? memset+0x20/0x40 [ 115.002119][ T8383] ? __nla_validate_parse+0xb2/0x1fd0 [ 115.012698][ T8383] ? nla_get_range_signed+0x540/0x540 [ 115.021893][ T8383] __rtnl_newlink+0xab2/0x1350 [ 115.027001][ T8383] ? check_preemption_disabled+0x36/0xd0 [ 115.034694][ T8383] ? rtnl_setlink+0x320/0x320 [ 115.039810][ T8383] ? lock_release+0x424/0x7e0 [ 115.044905][ T8383] ? is_bpf_text_address+0x5f/0xe0 [ 115.051647][ T8383] ? is_bpf_text_address+0x77/0xe0 [ 115.061646][ T8383] ? kernel_text_address+0xbd/0xf0 [ 115.067477][ T8383] ? __kernel_text_address+0x9/0x30 [ 115.073890][ T8383] ? unwind_get_return_address+0x51/0x90 [ 115.080220][ T8383] ? create_prof_cpu_mask+0x20/0x20 [ 115.086138][ T8383] ? arch_stack_walk+0x93/0xe0 [ 115.092182][ T8383] ? stack_trace_save+0x8c/0xc0 [ 115.097535][ T8383] ? stack_trace_consume_entry+0x160/0x160 [ 115.105583][ T8383] ? fs_reclaim_release+0x9c/0xe0 [ 115.111344][ T8383] ? lock_is_held_type+0xfa/0x130 [ 115.117571][ T8383] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 115.124415][ T8383] ? trace_kmalloc+0xbe/0xf0 [ 115.131027][ T8383] ? kmem_cache_alloc_trace+0x21c/0x400 [ 115.137823][ T8383] rtnl_newlink+0x5a/0x90 [ 115.142605][ T8383] rtnetlink_rcv_msg+0x32f/0x860 [ 115.147929][ T8383] ? rtnetlink_put_metrics+0x420/0x420 [ 115.154351][ T8383] ? lockdep_hardirqs_on_prepare+0x17b/0x450 [ 115.161760][ T8383] ? _raw_spin_unlock_irqrestore+0x40/0x85 [ 115.167861][ T8383] ? lockdep_hardirqs_on+0x54/0x100 [ 115.173249][ T8383] netlink_rcv_skb+0x118/0x370 [ 115.178507][ T8383] ? rtnetlink_put_metrics+0x420/0x420 [ 115.185259][ T8383] ? netlink_ack+0x9f0/0x9f0 [ 115.190558][ T8383] ? netlink_deliver_tap+0x15d/0x990 [ 115.196140][ T8383] netlink_unicast+0x42e/0x700 [ 115.201651][ T8383] ? netlink_attachskb+0x730/0x730 [ 115.207963][ T8383] ? _copy_from_iter_full+0x177/0x690 [ 115.214248][ T8383] netlink_sendmsg+0x70e/0xbe0 [ 115.219636][ T8383] ? netlink_unicast+0x700/0x700 [ 115.225494][ T8383] ? iovec_from_user+0x143/0x290 [ 115.231151][ T8383] ? netlink_unicast+0x700/0x700 [ 115.236625][ T8383] sock_sendmsg+0xab/0xe0 [ 115.241815][ T8383] ____sys_sendmsg+0x5bf/0x7a0 [ 115.248231][ T8383] ? kernel_sendmsg+0x30/0x30 [ 115.253332][ T8383] ? do_recvmmsg+0x550/0x550 [ 115.258864][ T8383] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 115.265942][ T8383] ? __might_fault+0xb5/0x160 [ 115.271670][ T8383] ___sys_sendmsg+0xd3/0x150 [ 115.276396][ T8383] ? sendmsg_copy_msghdr+0x110/0x110 [ 115.282033][ T8383] ? find_held_lock+0x2d/0x110 [ 115.288064][ T8383] ? check_preemption_disabled+0x36/0xd0 [ 115.294071][ T8383] ? lock_release+0x424/0x7e0 [ 115.299034][ T8383] ? __fget_files+0x193/0x2b0 [ 115.304295][ T8383] ? lock_downgrade+0x7b0/0x7b0 [ 115.309638][ T8383] ? find_held_lock+0x2d/0x110 [ 115.315160][ T8383] ? check_preemption_disabled+0x36/0xd0 [ 115.321554][ T8383] ? lock_is_held_type+0xfa/0x130 [ 115.326847][ T8383] ? __fget_files+0x1ab/0x2b0 [ 115.332479][ T8383] ? __fget_light+0xbe/0x220 [ 115.337447][ T8383] __sys_sendmsg+0xb2/0x140 [ 115.342155][ T8383] ? __sys_sendmsg_sock+0x10/0x10 [ 115.347966][ T8383] ? check_preemption_disabled+0x36/0xd0 [ 115.354432][ T8383] ? syscall_enter_from_user_mode+0x1d/0x60 [ 115.360518][ T8383] ? lockdep_hardirqs_on+0x54/0x100 [ 115.366111][ T8383] do_syscall_64+0x2d/0x70 [ 115.370982][ T8383] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 115.377887][ T8383] RIP: 0033:0x464d29 [ 115.382004][ T8383] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 115.404712][ T8383] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.415052][ T8383] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 115.424889][ T8383] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 115.433718][ T8383] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 115.442210][ T8383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 115.450747][ T8383] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 2021/03/13 03:37:18 executed programs: 110 [ 115.915560][ T8383] device veth1_macvtap left promiscuous mode [ 115.939472][ T8400] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 115.961680][ T8410] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 116.218129][ T8415] FAULT_INJECTION: forcing a failure. [ 116.218129][ T8415] name failslab, interval 1, probability 0, space 0, times 0 [ 116.233887][ T8415] CPU: 1 PID: 8415 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 116.245011][ T8415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.256394][ T8415] Call Trace: [ 116.260454][ T8415] dump_stack+0x10c/0x14b [ 116.264886][ T8415] should_fail.cold+0x5/0xa [ 116.269843][ T8415] ? mark_held_locks+0x9f/0xe0 [ 116.275093][ T8415] should_failslab+0x5/0x10 [ 116.280516][ T8415] kmem_cache_alloc_node_trace+0x65/0x540 [ 116.287137][ T8415] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 116.293063][ T8415] __kmalloc_node_track_caller+0x38/0x60 [ 116.298958][ T8415] __alloc_skb+0x8b/0x280 [ 116.303384][ T8415] __neigh_notify+0x7f/0x110 [ 116.308567][ T8415] neigh_cleanup_and_release+0x5a/0x220 [ 116.314302][ T8415] neigh_flush_dev+0x4f4/0x800 [ 116.319602][ T8415] ? lock_release+0x424/0x7e0 [ 116.325016][ T8415] __neigh_ifdown.isra.0+0x44/0x390 [ 116.331882][ T8415] ? __local_bh_enable_ip+0x11f/0x220 [ 116.339252][ T8415] ? rt6_disable_ip+0x49d/0x6a0 [ 116.345038][ T8415] neigh_ifdown+0x7/0x10 [ 116.349943][ T8415] rt6_disable_ip+0x551/0x6a0 [ 116.355003][ T8415] ? rt6_sync_down_dev+0x110/0x110 [ 116.360860][ T8415] ? mark_lock+0xf0/0x15f0 [ 116.365712][ T8415] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 116.371687][ T8415] ? lock_chain_count+0x20/0x20 [ 116.376659][ T8415] ? add_addr+0x240/0x240 [ 116.381619][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.389266][ T8415] ? lock_is_held_type+0xfa/0x130 [ 116.394870][ T8415] addrconf_notify+0x3e6/0x1ca0 [ 116.399996][ T8415] ? mark_held_locks+0x9f/0xe0 [ 116.405118][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.411628][ T8415] ? tls_device_sk_destruct+0x610/0x610 [ 116.417535][ T8415] ? clusterip_netdev_event+0x369/0x540 [ 116.423482][ T8415] ? inet6_ifinfo_notify+0x100/0x100 [ 116.430459][ T8415] ? __local_bh_enable_ip+0x11f/0x220 [ 116.436454][ T8415] ? clusterip_netdev_event+0x369/0x540 [ 116.442438][ T8415] notifier_call_chain+0x94/0x170 [ 116.448296][ T8415] dev_close_many+0x28c/0x560 [ 116.455924][ T8415] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 116.462222][ T8415] dev_change_net_namespace+0xcb7/0x1000 [ 116.469199][ T8415] ? lock_downgrade+0x7b0/0x7b0 [ 116.474884][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.481349][ T8415] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 116.486946][ T8415] ? security_capable+0x4c/0x90 [ 116.492068][ T8415] ? ns_capable+0x53/0xc0 [ 116.497181][ T8415] do_setlink+0x16b/0x2f10 [ 116.502043][ T8415] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 116.508566][ T8415] ? unwind_get_return_address+0x51/0x90 [ 116.515186][ T8415] ? rtnl_getlink+0x930/0x930 [ 116.521123][ T8415] ? mark_lock+0xf0/0x15f0 [ 116.525651][ T8415] ? __lock_acquire+0xbc5/0x5050 [ 116.530859][ T8415] ? lock_chain_count+0x20/0x20 [ 116.536379][ T8415] ? mark_lock+0xf0/0x15f0 [ 116.541394][ T8415] ? memset+0x20/0x40 [ 116.545568][ T8415] ? __nla_validate_parse+0xb2/0x1fd0 [ 116.551158][ T8415] ? nla_get_range_signed+0x540/0x540 [ 116.557157][ T8415] __rtnl_newlink+0xab2/0x1350 [ 116.562298][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.568164][ T8415] ? rtnl_setlink+0x320/0x320 [ 116.573284][ T8415] ? lock_release+0x424/0x7e0 [ 116.578238][ T8415] ? is_bpf_text_address+0x5f/0xe0 [ 116.583830][ T8415] ? is_bpf_text_address+0x77/0xe0 [ 116.588937][ T8415] ? kernel_text_address+0xbd/0xf0 [ 116.594983][ T8415] ? __kernel_text_address+0x9/0x30 [ 116.600603][ T8415] ? unwind_get_return_address+0x51/0x90 [ 116.607112][ T8415] ? create_prof_cpu_mask+0x20/0x20 [ 116.612390][ T8415] ? arch_stack_walk+0x93/0xe0 [ 116.617893][ T8415] ? stack_trace_save+0x8c/0xc0 [ 116.623607][ T8415] ? stack_trace_consume_entry+0x160/0x160 [ 116.630880][ T8415] ? fs_reclaim_release+0x9c/0xe0 [ 116.636171][ T8415] ? lock_is_held_type+0xfa/0x130 [ 116.642096][ T8415] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 116.648150][ T8415] ? trace_kmalloc+0xbe/0xf0 [ 116.653863][ T8415] ? kmem_cache_alloc_trace+0x21c/0x400 [ 116.660182][ T8415] rtnl_newlink+0x5a/0x90 [ 116.665181][ T8415] rtnetlink_rcv_msg+0x32f/0x860 [ 116.670707][ T8415] ? rtnetlink_put_metrics+0x420/0x420 [ 116.677424][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.685226][ T8415] ? netdev_core_pick_tx+0x290/0x290 [ 116.691031][ T8415] ? lock_acquire+0x130/0x850 [ 116.695989][ T8415] netlink_rcv_skb+0x118/0x370 [ 116.701701][ T8415] ? rtnetlink_put_metrics+0x420/0x420 [ 116.708540][ T8415] ? netlink_ack+0x9f0/0x9f0 [ 116.715994][ T8415] ? netlink_deliver_tap+0x15d/0x990 [ 116.722291][ T8415] netlink_unicast+0x42e/0x700 [ 116.727748][ T8415] ? netlink_attachskb+0x730/0x730 [ 116.733898][ T8415] ? _copy_from_iter_full+0x177/0x690 [ 116.739999][ T8415] netlink_sendmsg+0x70e/0xbe0 [ 116.745125][ T8415] ? netlink_unicast+0x700/0x700 [ 116.750472][ T8415] ? iovec_from_user+0x143/0x290 [ 116.755507][ T8415] ? netlink_unicast+0x700/0x700 [ 116.760671][ T8415] sock_sendmsg+0xab/0xe0 [ 116.765009][ T8415] ____sys_sendmsg+0x5bf/0x7a0 [ 116.770567][ T8415] ? kernel_sendmsg+0x30/0x30 [ 116.775556][ T8415] ? do_recvmmsg+0x550/0x550 [ 116.780708][ T8415] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 116.787537][ T8415] ? __might_fault+0xb5/0x160 [ 116.793365][ T8415] ___sys_sendmsg+0xd3/0x150 [ 116.798520][ T8415] ? sendmsg_copy_msghdr+0x110/0x110 [ 116.804099][ T8415] ? find_held_lock+0x2d/0x110 [ 116.809468][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.815265][ T8415] ? lock_release+0x424/0x7e0 [ 116.820657][ T8415] ? __fget_files+0x193/0x2b0 [ 116.825931][ T8415] ? lock_downgrade+0x7b0/0x7b0 [ 116.831635][ T8415] ? find_held_lock+0x2d/0x110 [ 116.836926][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.843497][ T8415] ? lock_is_held_type+0xfa/0x130 [ 116.849065][ T8415] ? __fget_files+0x1ab/0x2b0 [ 116.854408][ T8415] ? __fget_light+0xbe/0x220 [ 116.859417][ T8415] __sys_sendmsg+0xb2/0x140 [ 116.864482][ T8415] ? __sys_sendmsg_sock+0x10/0x10 [ 116.870932][ T8415] ? check_preemption_disabled+0x36/0xd0 [ 116.879245][ T8415] ? syscall_enter_from_user_mode+0x1d/0x60 [ 116.885453][ T8415] ? lockdep_hardirqs_on+0x54/0x100 [ 116.891815][ T8415] do_syscall_64+0x2d/0x70 [ 116.896465][ T8415] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 116.902804][ T8415] RIP: 0033:0x464d29 [ 116.907121][ T8415] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 116.929564][ T8415] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.939496][ T8415] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 116.948189][ T8415] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 116.957277][ T8415] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 116.966282][ T8415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 116.975107][ T8415] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 117.623832][ T8415] device veth0_vlan left promiscuous mode [ 117.646955][ T8415] device veth0_vlan entered promiscuous mode [ 117.664557][ T8419] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 117.685913][ T8420] FAULT_INJECTION: forcing a failure. [ 117.685913][ T8420] name failslab, interval 1, probability 0, space 0, times 0 [ 117.716622][ T8420] CPU: 0 PID: 8420 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 117.726261][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.737279][ T8420] Call Trace: [ 117.740917][ T8420] dump_stack+0x10c/0x14b [ 117.745689][ T8420] should_fail.cold+0x5/0xa [ 117.750194][ T8420] should_failslab+0x5/0x10 [ 117.755315][ T8420] kmem_cache_alloc_node+0x61/0x520 [ 117.760782][ T8420] __alloc_skb+0x153/0x280 [ 117.765400][ T8420] mpls_netconf_notify_devconf+0x35/0xc0 [ 117.772304][ T8420] mpls_dev_notify+0x39b/0x6e0 [ 117.777262][ T8420] ? lockdep_rtnl_is_held+0x11/0x20 [ 117.782833][ T8420] notifier_call_chain+0x94/0x170 [ 117.788565][ T8420] dev_change_net_namespace+0x22e/0x1000 [ 117.794741][ T8420] ? lock_downgrade+0x7b0/0x7b0 [ 117.799868][ T8420] ? check_preemption_disabled+0x36/0xd0 [ 117.806349][ T8420] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 117.812445][ T8420] ? security_capable+0x4c/0x90 [ 117.818056][ T8420] ? ns_capable+0x53/0xc0 [ 117.823174][ T8420] do_setlink+0x16b/0x2f10 [ 117.828045][ T8420] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 117.834494][ T8420] ? unwind_get_return_address+0x51/0x90 [ 117.841293][ T8420] ? rtnl_getlink+0x930/0x930 [ 117.846183][ T8420] ? mark_lock+0xf0/0x15f0 [ 117.851318][ T8420] ? __lock_acquire+0xbc5/0x5050 [ 117.857313][ T8420] ? lock_chain_count+0x20/0x20 [ 117.862610][ T8420] ? mark_lock+0xf0/0x15f0 [ 117.867801][ T8420] ? memset+0x20/0x40 [ 117.872528][ T8420] ? __nla_validate_parse+0xb2/0x1fd0 [ 117.878116][ T8420] ? nla_get_range_signed+0x540/0x540 [ 117.884415][ T8420] __rtnl_newlink+0xab2/0x1350 [ 117.889413][ T8420] ? check_preemption_disabled+0x36/0xd0 [ 117.895825][ T8420] ? rtnl_setlink+0x320/0x320 [ 117.900979][ T8420] ? lock_release+0x424/0x7e0 [ 117.905928][ T8420] ? is_bpf_text_address+0x5f/0xe0 [ 117.911170][ T8420] ? is_bpf_text_address+0x77/0xe0 [ 117.918274][ T8420] ? kernel_text_address+0xbd/0xf0 [ 117.924250][ T8420] ? __kernel_text_address+0x9/0x30 [ 117.930079][ T8420] ? unwind_get_return_address+0x51/0x90 [ 117.936151][ T8420] ? create_prof_cpu_mask+0x20/0x20 [ 117.941510][ T8420] ? arch_stack_walk+0x93/0xe0 [ 117.946835][ T8420] ? stack_trace_save+0x8c/0xc0 [ 117.952462][ T8420] ? stack_trace_consume_entry+0x160/0x160 [ 117.959157][ T8420] ? fs_reclaim_release+0x9c/0xe0 [ 117.964551][ T8420] ? lock_is_held_type+0xfa/0x130 [ 117.969967][ T8420] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 117.975690][ T8420] ? trace_kmalloc+0xbe/0xf0 [ 117.980939][ T8420] ? kmem_cache_alloc_trace+0x21c/0x400 [ 117.987379][ T8420] rtnl_newlink+0x5a/0x90 [ 117.991817][ T8420] rtnetlink_rcv_msg+0x32f/0x860 [ 117.998080][ T8420] ? rtnetlink_put_metrics+0x420/0x420 [ 118.004371][ T8420] ? check_preemption_disabled+0x36/0xd0 [ 118.011675][ T8420] ? netdev_core_pick_tx+0x290/0x290 [ 118.017586][ T8420] ? lock_acquire+0x130/0x850 [ 118.022362][ T8420] netlink_rcv_skb+0x118/0x370 [ 118.027388][ T8420] ? rtnetlink_put_metrics+0x420/0x420 [ 118.035836][ T8420] ? netlink_ack+0x9f0/0x9f0 [ 118.041908][ T8420] ? netlink_deliver_tap+0x15d/0x990 [ 118.048006][ T8420] netlink_unicast+0x42e/0x700 [ 118.054445][ T8420] ? netlink_attachskb+0x730/0x730 [ 118.060341][ T8420] ? _copy_from_iter_full+0x177/0x690 [ 118.066871][ T8420] netlink_sendmsg+0x70e/0xbe0 [ 118.071957][ T8420] ? netlink_unicast+0x700/0x700 [ 118.077028][ T8420] ? iovec_from_user+0x143/0x290 [ 118.082457][ T8420] ? netlink_unicast+0x700/0x700 [ 118.088013][ T8420] sock_sendmsg+0xab/0xe0 [ 118.092614][ T8420] ____sys_sendmsg+0x5bf/0x7a0 [ 118.097711][ T8420] ? kernel_sendmsg+0x30/0x30 [ 118.103150][ T8420] ? do_recvmmsg+0x550/0x550 [ 118.108621][ T8420] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 118.114982][ T8420] ? __might_fault+0xb5/0x160 [ 118.120215][ T8420] ___sys_sendmsg+0xd3/0x150 [ 118.125120][ T8420] ? sendmsg_copy_msghdr+0x110/0x110 [ 118.130616][ T8420] ? find_held_lock+0x2d/0x110 [ 118.136179][ T8420] ? check_preemption_disabled+0x36/0xd0 [ 118.142280][ T8420] ? lock_release+0x424/0x7e0 [ 118.147774][ T8420] ? __fget_files+0x193/0x2b0 [ 118.153824][ T8420] ? lock_downgrade+0x7b0/0x7b0 [ 118.159446][ T8420] ? find_held_lock+0x2d/0x110 [ 118.164739][ T8420] ? check_preemption_disabled+0x36/0xd0 [ 118.171569][ T8420] ? lock_is_held_type+0xfa/0x130 [ 118.177362][ T8420] ? __fget_files+0x1ab/0x2b0 [ 118.182619][ T8420] ? __fget_light+0xbe/0x220 [ 118.187823][ T8420] __sys_sendmsg+0xb2/0x140 [ 118.192510][ T8420] ? __sys_sendmsg_sock+0x10/0x10 [ 118.198253][ T8420] ? check_preemption_disabled+0x36/0xd0 [ 118.205040][ T8420] ? syscall_enter_from_user_mode+0x1d/0x60 [ 118.211197][ T8420] ? lockdep_hardirqs_on+0x54/0x100 [ 118.216957][ T8420] do_syscall_64+0x2d/0x70 [ 118.222202][ T8420] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 118.228583][ T8420] RIP: 0033:0x464d29 [ 118.232754][ T8420] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 118.254481][ T8420] RSP: 002b:00007feba3c48188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.263924][ T8420] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 118.272665][ T8420] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 118.281603][ T8420] RBP: 00007feba3c481d0 R08: 0000000000000000 R09: 0000000000000000 [ 118.290782][ T8420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 118.301589][ T8420] R13: 00007ffdf4fb4ecf R14: 00007feba3c48300 R15: 0000000000022000 [ 118.374898][ T8423] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 118.407993][ T8436] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 118.725200][ T8439] FAULT_INJECTION: forcing a failure. [ 118.725200][ T8439] name failslab, interval 1, probability 0, space 0, times 0 [ 118.739239][ T8439] CPU: 0 PID: 8439 Comm: syz-executor.3 Not tainted 5.12.0-rc2-syzkaller #0 [ 118.748714][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.759374][ T8439] Call Trace: [ 118.763652][ T8439] dump_stack+0x10c/0x14b [ 118.768685][ T8439] should_fail.cold+0x5/0xa [ 118.774534][ T8439] should_failslab+0x5/0x10 [ 118.779477][ T8439] kmem_cache_alloc_node+0x61/0x520 [ 118.785878][ T8439] __alloc_skb+0x153/0x280 [ 118.790871][ T8439] __neigh_notify+0x7f/0x110 [ 118.796230][ T8439] neigh_cleanup_and_release+0x5a/0x220 [ 118.802972][ T8439] neigh_flush_dev+0x4f4/0x800 [ 118.808551][ T8439] ? lock_release+0x424/0x7e0 [ 118.814491][ T8439] __neigh_ifdown.isra.0+0x44/0x390 [ 118.821440][ T8439] ? __local_bh_enable_ip+0x11f/0x220 [ 118.828156][ T8439] ? rt6_disable_ip+0x49d/0x6a0 [ 118.834795][ T8439] neigh_ifdown+0x7/0x10 [ 118.839968][ T8439] rt6_disable_ip+0x551/0x6a0 [ 118.845548][ T8439] ? rt6_sync_down_dev+0x110/0x110 [ 118.850871][ T8439] ? mark_lock+0xf0/0x15f0 [ 118.855380][ T8439] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 118.861327][ T8439] ? lock_chain_count+0x20/0x20 [ 118.867409][ T8439] ? add_addr+0x240/0x240 [ 118.872892][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 118.879319][ T8439] ? lock_is_held_type+0xfa/0x130 [ 118.884657][ T8439] addrconf_notify+0x3e6/0x1ca0 [ 118.890859][ T8439] ? mark_held_locks+0x9f/0xe0 [ 118.896590][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 118.904481][ T8439] ? tls_device_sk_destruct+0x610/0x610 [ 118.911698][ T8439] ? clusterip_netdev_event+0x369/0x540 [ 118.917648][ T8439] ? inet6_ifinfo_notify+0x100/0x100 [ 118.925043][ T8439] ? __local_bh_enable_ip+0x11f/0x220 [ 118.933155][ T8439] ? clusterip_netdev_event+0x369/0x540 [ 118.939522][ T8439] notifier_call_chain+0x94/0x170 [ 118.946819][ T8439] dev_close_many+0x28c/0x560 [ 118.952308][ T8439] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 118.958292][ T8439] dev_change_net_namespace+0xcb7/0x1000 [ 118.965141][ T8439] ? lock_downgrade+0x7b0/0x7b0 [ 118.970914][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 118.977061][ T8439] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 118.982786][ T8439] ? security_capable+0x4c/0x90 [ 118.988024][ T8439] ? ns_capable+0x53/0xc0 [ 118.993015][ T8439] do_setlink+0x16b/0x2f10 [ 118.998011][ T8439] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 119.007945][ T8439] ? unwind_get_return_address+0x51/0x90 [ 119.015432][ T8439] ? rtnl_getlink+0x930/0x930 [ 119.021839][ T8439] ? mark_lock+0xf0/0x15f0 [ 119.027510][ T8439] ? __lock_acquire+0xbc5/0x5050 [ 119.037366][ T8439] ? lock_chain_count+0x20/0x20 [ 119.044209][ T8439] ? mark_lock+0xf0/0x15f0 [ 119.050860][ T8439] ? mark_lock+0xf0/0x15f0 [ 119.058242][ T8439] ? memset+0x20/0x40 [ 119.063583][ T8439] ? __nla_validate_parse+0xb2/0x1fd0 [ 119.070976][ T8439] ? nla_get_range_signed+0x540/0x540 [ 119.078683][ T8439] __rtnl_newlink+0xab2/0x1350 [ 119.084142][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 119.092494][ T8439] ? rtnl_setlink+0x320/0x320 [ 119.098989][ T8439] ? lock_release+0x424/0x7e0 [ 119.105804][ T8439] ? is_bpf_text_address+0x5f/0xe0 [ 119.113799][ T8439] ? is_bpf_text_address+0x77/0xe0 [ 119.121839][ T8439] ? kernel_text_address+0xbd/0xf0 [ 119.132591][ T8439] ? __kernel_text_address+0x9/0x30 [ 119.139572][ T8439] ? unwind_get_return_address+0x51/0x90 [ 119.145810][ T8439] ? create_prof_cpu_mask+0x20/0x20 [ 119.151486][ T8439] ? arch_stack_walk+0x93/0xe0 [ 119.156918][ T8439] ? stack_trace_save+0x8c/0xc0 [ 119.162043][ T8439] ? stack_trace_consume_entry+0x160/0x160 [ 119.169750][ T8439] ? fs_reclaim_release+0x9c/0xe0 [ 119.176309][ T8439] ? lock_is_held_type+0xfa/0x130 [ 119.181546][ T8439] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 119.188236][ T8439] ? trace_kmalloc+0xbe/0xf0 [ 119.193321][ T8439] ? kmem_cache_alloc_trace+0x21c/0x400 [ 119.199571][ T8439] rtnl_newlink+0x5a/0x90 [ 119.205039][ T8439] rtnetlink_rcv_msg+0x32f/0x860 [ 119.211719][ T8439] ? rtnetlink_put_metrics+0x420/0x420 [ 119.219927][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 119.228707][ T8439] ? netdev_core_pick_tx+0x290/0x290 [ 119.234631][ T8439] ? lock_acquire+0x130/0x850 [ 119.239315][ T8439] netlink_rcv_skb+0x118/0x370 [ 119.244756][ T8439] ? rtnetlink_put_metrics+0x420/0x420 [ 119.250522][ T8439] ? netlink_ack+0x9f0/0x9f0 [ 119.255487][ T8439] ? netlink_deliver_tap+0x15d/0x990 [ 119.261570][ T8439] netlink_unicast+0x42e/0x700 [ 119.267005][ T8439] ? netlink_attachskb+0x730/0x730 [ 119.272931][ T8439] ? _copy_from_iter_full+0x177/0x690 [ 119.279040][ T8439] netlink_sendmsg+0x70e/0xbe0 [ 119.284219][ T8439] ? netlink_unicast+0x700/0x700 [ 119.290764][ T8439] ? iovec_from_user+0x143/0x290 [ 119.295928][ T8439] ? netlink_unicast+0x700/0x700 [ 119.301990][ T8439] sock_sendmsg+0xab/0xe0 [ 119.307317][ T8439] ____sys_sendmsg+0x5bf/0x7a0 [ 119.315150][ T8439] ? kernel_sendmsg+0x30/0x30 [ 119.321021][ T8439] ? do_recvmmsg+0x550/0x550 [ 119.326023][ T8439] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 119.333172][ T8439] ? __might_fault+0xb5/0x160 [ 119.338272][ T8439] ___sys_sendmsg+0xd3/0x150 [ 119.343118][ T8439] ? sendmsg_copy_msghdr+0x110/0x110 [ 119.348961][ T8439] ? find_held_lock+0x2d/0x110 [ 119.353810][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 119.360137][ T8439] ? lock_release+0x424/0x7e0 [ 119.365116][ T8439] ? __fget_files+0x193/0x2b0 [ 119.370066][ T8439] ? lock_downgrade+0x7b0/0x7b0 [ 119.375146][ T8439] ? find_held_lock+0x2d/0x110 [ 119.380826][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 119.387047][ T8439] ? lock_is_held_type+0xfa/0x130 [ 119.393072][ T8439] ? __fget_files+0x1ab/0x2b0 [ 119.398033][ T8439] ? __fget_light+0xbe/0x220 [ 119.403047][ T8439] __sys_sendmsg+0xb2/0x140 [ 119.408928][ T8439] ? __sys_sendmsg_sock+0x10/0x10 [ 119.414826][ T8439] ? check_preemption_disabled+0x36/0xd0 [ 119.420867][ T8439] ? syscall_enter_from_user_mode+0x1d/0x60 [ 119.427324][ T8439] ? lockdep_hardirqs_on+0x54/0x100 [ 119.433163][ T8439] do_syscall_64+0x2d/0x70 [ 119.438361][ T8439] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 119.445417][ T8439] RIP: 0033:0x464d29 [ 119.450376][ T8439] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 119.475985][ T8439] RSP: 002b:00007fd8e34d8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.485598][ T8439] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 119.494243][ T8439] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 119.502621][ T8439] RBP: 00007fd8e34d81d0 R08: 0000000000000000 R09: 0000000000000000 [ 119.511994][ T8439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 119.521700][ T8439] R13: 00007fffa582f32f R14: 00007fd8e34d8300 R15: 0000000000022000 [ 119.793837][ T8460] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 119.840735][ T8492] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 120.512983][ T8496] FAULT_INJECTION: forcing a failure. [ 120.512983][ T8496] name failslab, interval 1, probability 0, space 0, times 0 [ 120.527449][ T8496] CPU: 0 PID: 8496 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 120.537876][ T8496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.549392][ T8496] Call Trace: [ 120.552995][ T8496] dump_stack+0x10c/0x14b [ 120.557657][ T8496] should_fail.cold+0x5/0xa [ 120.562631][ T8496] ? mark_held_locks+0x9f/0xe0 [ 120.567574][ T8496] should_failslab+0x5/0x10 [ 120.572814][ T8496] kmem_cache_alloc_node_trace+0x65/0x540 [ 120.579295][ T8496] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 120.585337][ T8496] __kmalloc_node_track_caller+0x38/0x60 [ 120.591569][ T8496] __alloc_skb+0x8b/0x280 [ 120.596454][ T8496] __neigh_notify+0x7f/0x110 [ 120.601288][ T8496] neigh_cleanup_and_release+0x5a/0x220 [ 120.607636][ T8496] neigh_flush_dev+0x4f4/0x800 [ 120.612804][ T8496] ? lock_release+0x424/0x7e0 [ 120.618257][ T8496] __neigh_ifdown.isra.0+0x44/0x390 [ 120.624974][ T8496] ? __local_bh_enable_ip+0x11f/0x220 [ 120.630833][ T8496] ? rt6_disable_ip+0x49d/0x6a0 [ 120.636703][ T8496] neigh_ifdown+0x7/0x10 [ 120.641741][ T8496] rt6_disable_ip+0x551/0x6a0 [ 120.647300][ T8496] ? rt6_sync_down_dev+0x110/0x110 [ 120.652988][ T8496] ? mark_lock+0xf0/0x15f0 [ 120.658065][ T8496] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 120.664467][ T8496] ? lock_chain_count+0x20/0x20 [ 120.669900][ T8496] ? add_addr+0x240/0x240 [ 120.674592][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 120.680972][ T8496] ? lock_is_held_type+0xfa/0x130 [ 120.686312][ T8496] addrconf_notify+0x3e6/0x1ca0 [ 120.692492][ T8496] ? mark_held_locks+0x9f/0xe0 [ 120.698028][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 120.704222][ T8496] ? tls_device_sk_destruct+0x610/0x610 [ 120.710644][ T8496] ? clusterip_netdev_event+0x369/0x540 [ 120.719906][ T8496] ? inet6_ifinfo_notify+0x100/0x100 [ 120.726091][ T8496] ? __local_bh_enable_ip+0x11f/0x220 [ 120.732304][ T8496] ? clusterip_netdev_event+0x369/0x540 [ 120.739110][ T8496] notifier_call_chain+0x94/0x170 [ 120.745222][ T8496] dev_close_many+0x28c/0x560 [ 120.750601][ T8496] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 120.756946][ T8496] dev_change_net_namespace+0xcb7/0x1000 [ 120.763521][ T8496] ? lock_downgrade+0x7b0/0x7b0 [ 120.768573][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 120.775251][ T8496] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 120.780692][ T8496] ? security_capable+0x4c/0x90 [ 120.786329][ T8496] ? ns_capable+0x53/0xc0 [ 120.791040][ T8496] do_setlink+0x16b/0x2f10 [ 120.795911][ T8496] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 120.802282][ T8496] ? unwind_get_return_address+0x51/0x90 [ 120.808534][ T8496] ? rtnl_getlink+0x930/0x930 [ 120.813834][ T8496] ? mark_lock+0xf0/0x15f0 [ 120.818451][ T8496] ? __lock_acquire+0xbc5/0x5050 [ 120.823773][ T8496] ? lock_chain_count+0x20/0x20 [ 120.831921][ T8496] ? mark_lock+0xf0/0x15f0 [ 120.836812][ T8496] ? memset+0x20/0x40 [ 120.840966][ T8496] ? __nla_validate_parse+0xb2/0x1fd0 [ 120.848769][ T8496] ? nla_get_range_signed+0x540/0x540 [ 120.854509][ T8496] __rtnl_newlink+0xab2/0x1350 [ 120.860662][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 120.866773][ T8496] ? rtnl_setlink+0x320/0x320 [ 120.871893][ T8496] ? lock_release+0x424/0x7e0 [ 120.877132][ T8496] ? is_bpf_text_address+0x5f/0xe0 [ 120.882806][ T8496] ? is_bpf_text_address+0x77/0xe0 [ 120.888714][ T8496] ? kernel_text_address+0xbd/0xf0 [ 120.896736][ T8496] ? __kernel_text_address+0x9/0x30 [ 120.903314][ T8496] ? unwind_get_return_address+0x51/0x90 [ 120.909766][ T8496] ? create_prof_cpu_mask+0x20/0x20 [ 120.915563][ T8496] ? arch_stack_walk+0x93/0xe0 [ 120.920650][ T8496] ? stack_trace_save+0x8c/0xc0 [ 120.925844][ T8496] ? stack_trace_consume_entry+0x160/0x160 [ 120.931686][ T8496] ? fs_reclaim_release+0x9c/0xe0 [ 120.937372][ T8496] ? lock_is_held_type+0xfa/0x130 [ 120.943592][ T8496] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 120.950055][ T8496] ? trace_kmalloc+0xbe/0xf0 [ 120.955411][ T8496] ? kmem_cache_alloc_trace+0x21c/0x400 [ 120.961279][ T8496] rtnl_newlink+0x5a/0x90 [ 120.965810][ T8496] rtnetlink_rcv_msg+0x32f/0x860 [ 120.971283][ T8496] ? rtnetlink_put_metrics+0x420/0x420 [ 120.977252][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 120.983154][ T8496] ? netdev_core_pick_tx+0x290/0x290 [ 120.988689][ T8496] ? lock_acquire+0x130/0x850 [ 120.993552][ T8496] netlink_rcv_skb+0x118/0x370 [ 120.998627][ T8496] ? rtnetlink_put_metrics+0x420/0x420 [ 121.005102][ T8496] ? netlink_ack+0x9f0/0x9f0 [ 121.010668][ T8496] ? netlink_deliver_tap+0x15d/0x990 [ 121.017059][ T8496] netlink_unicast+0x42e/0x700 [ 121.022901][ T8496] ? netlink_attachskb+0x730/0x730 [ 121.028413][ T8496] ? _copy_from_iter_full+0x177/0x690 [ 121.036853][ T8496] netlink_sendmsg+0x70e/0xbe0 [ 121.042853][ T8496] ? netlink_unicast+0x700/0x700 [ 121.047818][ T8496] ? iovec_from_user+0x143/0x290 [ 121.052765][ T8496] ? netlink_unicast+0x700/0x700 [ 121.057884][ T8496] sock_sendmsg+0xab/0xe0 [ 121.062677][ T8496] ____sys_sendmsg+0x5bf/0x7a0 [ 121.067780][ T8496] ? kernel_sendmsg+0x30/0x30 [ 121.073470][ T8496] ? do_recvmmsg+0x550/0x550 [ 121.078797][ T8496] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 121.085921][ T8496] ? __might_fault+0xb5/0x160 [ 121.092580][ T8496] ___sys_sendmsg+0xd3/0x150 [ 121.099625][ T8496] ? sendmsg_copy_msghdr+0x110/0x110 [ 121.107911][ T8496] ? find_held_lock+0x2d/0x110 [ 121.116101][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 121.124175][ T8496] ? lock_release+0x424/0x7e0 [ 121.131413][ T8496] ? __fget_files+0x193/0x2b0 [ 121.137184][ T8496] ? lock_downgrade+0x7b0/0x7b0 [ 121.143589][ T8496] ? find_held_lock+0x2d/0x110 [ 121.148582][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 121.154940][ T8496] ? lock_is_held_type+0xfa/0x130 [ 121.160857][ T8496] ? __fget_files+0x1ab/0x2b0 [ 121.166182][ T8496] ? __fget_light+0xbe/0x220 [ 121.171276][ T8496] __sys_sendmsg+0xb2/0x140 [ 121.176392][ T8496] ? __sys_sendmsg_sock+0x10/0x10 [ 121.182051][ T8496] ? check_preemption_disabled+0x36/0xd0 [ 121.188938][ T8496] ? syscall_enter_from_user_mode+0x1d/0x60 [ 121.195217][ T8496] ? lockdep_hardirqs_on+0x54/0x100 [ 121.201008][ T8496] do_syscall_64+0x2d/0x70 [ 121.205689][ T8496] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 121.212793][ T8496] RIP: 0033:0x464d29 [ 121.217138][ T8496] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 121.238729][ T8496] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.248247][ T8496] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 121.256562][ T8496] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 121.264705][ T8496] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 121.273289][ T8496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 121.282975][ T8496] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 2021/03/13 03:37:24 executed programs: 117 [ 121.549408][ T8499] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 121.573877][ T8500] device veth1_macvtap left promiscuous mode [ 121.696332][ T8500] FAULT_INJECTION: forcing a failure. [ 121.696332][ T8500] name failslab, interval 1, probability 0, space 0, times 0 [ 121.712034][ T8500] CPU: 0 PID: 8500 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 121.721511][ T8500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.734200][ T8500] Call Trace: [ 121.737983][ T8500] dump_stack+0x10c/0x14b [ 121.743071][ T8500] should_fail.cold+0x5/0xa [ 121.748194][ T8500] ? mark_held_locks+0x9f/0xe0 [ 121.753313][ T8500] should_failslab+0x5/0x10 [ 121.758373][ T8500] kmem_cache_alloc_node_trace+0x65/0x540 [ 121.764660][ T8500] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 121.770587][ T8500] __kmalloc_node_track_caller+0x38/0x60 [ 121.776798][ T8500] __alloc_skb+0x8b/0x280 [ 121.781724][ T8500] __neigh_notify+0x7f/0x110 [ 121.787708][ T8500] neigh_cleanup_and_release+0x5a/0x220 [ 121.793938][ T8500] neigh_flush_dev+0x4f4/0x800 [ 121.798893][ T8500] ? lock_release+0x424/0x7e0 [ 121.803793][ T8500] __neigh_ifdown.isra.0+0x44/0x390 [ 121.809509][ T8500] ? __local_bh_enable_ip+0x11f/0x220 [ 121.815519][ T8500] ? rt6_disable_ip+0x49d/0x6a0 [ 121.821062][ T8500] neigh_ifdown+0x7/0x10 [ 121.825679][ T8500] rt6_disable_ip+0x551/0x6a0 [ 121.830838][ T8500] ? rt6_sync_down_dev+0x110/0x110 [ 121.836501][ T8500] ? mark_lock+0xf0/0x15f0 [ 121.841568][ T8500] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 121.847739][ T8500] ? lock_chain_count+0x20/0x20 [ 121.852778][ T8500] ? add_addr+0x240/0x240 [ 121.857502][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 121.864056][ T8500] ? lock_is_held_type+0xfa/0x130 [ 121.869514][ T8500] addrconf_notify+0x3e6/0x1ca0 [ 121.874449][ T8500] ? mark_held_locks+0x9f/0xe0 [ 121.879407][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 121.885159][ T8500] ? tls_device_sk_destruct+0x610/0x610 [ 121.891200][ T8500] ? clusterip_netdev_event+0x369/0x540 [ 121.897097][ T8500] ? inet6_ifinfo_notify+0x100/0x100 [ 121.902922][ T8500] ? __local_bh_enable_ip+0x11f/0x220 [ 121.908717][ T8500] ? clusterip_netdev_event+0x369/0x540 [ 121.915375][ T8500] notifier_call_chain+0x94/0x170 [ 121.921090][ T8500] dev_close_many+0x28c/0x560 [ 121.926401][ T8500] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 121.932238][ T8500] dev_change_net_namespace+0xcb7/0x1000 [ 121.938587][ T8500] ? lock_downgrade+0x7b0/0x7b0 [ 121.943758][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 121.950249][ T8500] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 121.955894][ T8500] ? security_capable+0x4c/0x90 [ 121.960930][ T8500] ? ns_capable+0x53/0xc0 [ 121.965583][ T8500] do_setlink+0x16b/0x2f10 [ 121.970079][ T8500] ? rtnl_getlink+0x930/0x930 [ 121.974752][ T8500] ? mark_lock+0xf0/0x15f0 [ 121.979962][ T8500] ? lock_chain_count+0x20/0x20 [ 121.986540][ T8500] ? mark_lock+0xf0/0x15f0 [ 121.992514][ T8500] ? mark_lock+0xf0/0x15f0 [ 121.997417][ T8500] ? update_sd_lb_stats.constprop.0+0x27d0/0x27d0 [ 122.004352][ T8500] ? memset+0x20/0x40 [ 122.008581][ T8500] ? __nla_validate_parse+0xb2/0x1fd0 [ 122.014466][ T8500] ? nla_get_range_signed+0x540/0x540 [ 122.020509][ T8500] __rtnl_newlink+0xab2/0x1350 [ 122.026023][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 122.034488][ T8500] ? rtnl_setlink+0x320/0x320 [ 122.040780][ T8500] ? lock_release+0x424/0x7e0 [ 122.046447][ T8500] ? is_bpf_text_address+0x5f/0xe0 [ 122.052260][ T8500] ? is_bpf_text_address+0x77/0xe0 [ 122.057924][ T8500] ? kernel_text_address+0xbd/0xf0 [ 122.063968][ T8500] ? __kernel_text_address+0x9/0x30 [ 122.070154][ T8500] ? unwind_get_return_address+0x51/0x90 [ 122.076297][ T8500] ? create_prof_cpu_mask+0x20/0x20 [ 122.082073][ T8500] ? arch_stack_walk+0x93/0xe0 [ 122.087335][ T8500] ? stack_trace_save+0x8c/0xc0 [ 122.093010][ T8500] ? stack_trace_consume_entry+0x160/0x160 [ 122.099655][ T8500] ? fs_reclaim_release+0x9c/0xe0 [ 122.105342][ T8500] ? lock_is_held_type+0xfa/0x130 [ 122.111110][ T8500] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 122.117479][ T8500] ? trace_kmalloc+0xbe/0xf0 [ 122.123453][ T8500] ? kmem_cache_alloc_trace+0x21c/0x400 [ 122.130067][ T8500] rtnl_newlink+0x5a/0x90 [ 122.135413][ T8500] rtnetlink_rcv_msg+0x32f/0x860 [ 122.141254][ T8500] ? rtnetlink_put_metrics+0x420/0x420 [ 122.147166][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 122.154212][ T8500] ? netdev_core_pick_tx+0x290/0x290 [ 122.160430][ T8500] ? lock_acquire+0x130/0x850 [ 122.165480][ T8500] netlink_rcv_skb+0x118/0x370 [ 122.170415][ T8500] ? rtnetlink_put_metrics+0x420/0x420 [ 122.176700][ T8500] ? netlink_ack+0x9f0/0x9f0 [ 122.181888][ T8500] ? netlink_deliver_tap+0x15d/0x990 [ 122.187696][ T8500] netlink_unicast+0x42e/0x700 [ 122.194400][ T8500] ? netlink_attachskb+0x730/0x730 [ 122.202380][ T8500] ? _copy_from_iter_full+0x177/0x690 [ 122.209100][ T8500] netlink_sendmsg+0x70e/0xbe0 [ 122.214477][ T8500] ? netlink_unicast+0x700/0x700 [ 122.220040][ T8500] ? iovec_from_user+0x143/0x290 [ 122.225498][ T8500] ? netlink_unicast+0x700/0x700 [ 122.231146][ T8500] sock_sendmsg+0xab/0xe0 [ 122.236141][ T8500] ____sys_sendmsg+0x5bf/0x7a0 [ 122.241091][ T8500] ? kernel_sendmsg+0x30/0x30 [ 122.246296][ T8500] ? do_recvmmsg+0x550/0x550 [ 122.252849][ T8500] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 122.260605][ T8500] ? __might_fault+0xb5/0x160 [ 122.266305][ T8500] ___sys_sendmsg+0xd3/0x150 [ 122.274636][ T8500] ? sendmsg_copy_msghdr+0x110/0x110 [ 122.285830][ T8500] ? find_held_lock+0x2d/0x110 [ 122.294216][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 122.304165][ T8500] ? lock_release+0x424/0x7e0 [ 122.310639][ T8500] ? __fget_files+0x193/0x2b0 [ 122.319290][ T8500] ? lock_downgrade+0x7b0/0x7b0 [ 122.327212][ T8500] ? find_held_lock+0x2d/0x110 [ 122.333133][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 122.340246][ T8500] ? lock_is_held_type+0xfa/0x130 [ 122.346636][ T8500] ? __fget_files+0x1ab/0x2b0 [ 122.352699][ T8500] ? __fget_light+0xbe/0x220 [ 122.359068][ T8500] __sys_sendmsg+0xb2/0x140 [ 122.365859][ T8500] ? __sys_sendmsg_sock+0x10/0x10 [ 122.371795][ T8500] ? check_preemption_disabled+0x36/0xd0 [ 122.377632][ T8500] ? syscall_enter_from_user_mode+0x1d/0x60 [ 122.384454][ T8500] ? lockdep_hardirqs_on+0x54/0x100 [ 122.390917][ T8500] do_syscall_64+0x2d/0x70 [ 122.396029][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 122.403923][ T8500] RIP: 0033:0x464d29 [ 122.412101][ T8500] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 122.436858][ T8500] RSP: 002b:00007feba3c48188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.447349][ T8500] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 122.456830][ T8500] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 122.468913][ T8500] RBP: 00007feba3c481d0 R08: 0000000000000000 R09: 0000000000000000 [ 122.480765][ T8500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 122.494683][ T8500] R13: 00007ffdf4fb4ecf R14: 00007feba3c48300 R15: 0000000000022000 [ 122.756482][ T8500] device veth1_macvtap entered promiscuous mode [ 122.776835][ T8503] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 122.821240][ T8561] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 123.278718][ T8574] FAULT_INJECTION: forcing a failure. [ 123.278718][ T8574] name failslab, interval 1, probability 0, space 0, times 0 [ 123.292733][ T8574] CPU: 0 PID: 8574 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 123.302833][ T8574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.315387][ T8574] Call Trace: [ 123.319901][ T8574] dump_stack+0x10c/0x14b [ 123.324801][ T8574] should_fail.cold+0x5/0xa [ 123.329935][ T8574] should_failslab+0x5/0x10 [ 123.334859][ T8574] kmem_cache_alloc_node+0x61/0x520 [ 123.340617][ T8574] __alloc_skb+0x153/0x280 [ 123.345368][ T8574] __neigh_notify+0x7f/0x110 [ 123.350137][ T8574] neigh_cleanup_and_release+0x5a/0x220 [ 123.357200][ T8574] neigh_flush_dev+0x4f4/0x800 [ 123.363097][ T8574] ? lock_release+0x424/0x7e0 [ 123.369218][ T8574] __neigh_ifdown.isra.0+0x44/0x390 [ 123.374923][ T8574] ? __local_bh_enable_ip+0x11f/0x220 [ 123.380595][ T8574] ? rt6_disable_ip+0x49d/0x6a0 [ 123.386072][ T8574] neigh_ifdown+0x7/0x10 [ 123.391640][ T8574] rt6_disable_ip+0x551/0x6a0 [ 123.396692][ T8574] ? rt6_sync_down_dev+0x110/0x110 [ 123.402375][ T8574] ? mark_lock+0xf0/0x15f0 [ 123.407494][ T8574] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 123.413776][ T8574] ? lock_chain_count+0x20/0x20 [ 123.419264][ T8574] ? add_addr+0x240/0x240 [ 123.425195][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.431417][ T8574] ? lock_is_held_type+0xfa/0x130 [ 123.437244][ T8574] addrconf_notify+0x3e6/0x1ca0 [ 123.443003][ T8574] ? mark_held_locks+0x9f/0xe0 [ 123.447996][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.455627][ T8574] ? tls_device_sk_destruct+0x610/0x610 [ 123.462312][ T8574] ? clusterip_netdev_event+0x369/0x540 [ 123.468960][ T8574] ? inet6_ifinfo_notify+0x100/0x100 [ 123.475814][ T8574] ? __local_bh_enable_ip+0x11f/0x220 [ 123.481943][ T8574] ? clusterip_netdev_event+0x369/0x540 [ 123.488021][ T8574] notifier_call_chain+0x94/0x170 [ 123.494136][ T8574] dev_close_many+0x28c/0x560 [ 123.499509][ T8574] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 123.505397][ T8574] dev_change_net_namespace+0xcb7/0x1000 [ 123.511840][ T8574] ? lock_downgrade+0x7b0/0x7b0 [ 123.516863][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.522642][ T8574] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 123.528403][ T8574] ? security_capable+0x4c/0x90 [ 123.534243][ T8574] ? ns_capable+0x53/0xc0 [ 123.538961][ T8574] do_setlink+0x16b/0x2f10 [ 123.544040][ T8574] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 123.551119][ T8574] ? unwind_get_return_address+0x51/0x90 [ 123.557926][ T8574] ? rtnl_getlink+0x930/0x930 [ 123.563144][ T8574] ? mark_lock+0xf0/0x15f0 [ 123.568009][ T8574] ? __lock_acquire+0xbc5/0x5050 [ 123.573507][ T8574] ? lock_chain_count+0x20/0x20 [ 123.578740][ T8574] ? mark_lock+0xf0/0x15f0 [ 123.583622][ T8574] ? memset+0x20/0x40 [ 123.588312][ T8574] ? __nla_validate_parse+0xb2/0x1fd0 [ 123.595277][ T8574] ? nla_get_range_signed+0x540/0x540 [ 123.601361][ T8574] __rtnl_newlink+0xab2/0x1350 [ 123.606544][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.612983][ T8574] ? rtnl_setlink+0x320/0x320 [ 123.618441][ T8574] ? lock_release+0x424/0x7e0 [ 123.623726][ T8574] ? is_bpf_text_address+0x5f/0xe0 [ 123.630590][ T8574] ? is_bpf_text_address+0x77/0xe0 [ 123.636684][ T8574] ? kernel_text_address+0xbd/0xf0 [ 123.643009][ T8574] ? __kernel_text_address+0x9/0x30 [ 123.649247][ T8574] ? unwind_get_return_address+0x51/0x90 [ 123.656098][ T8574] ? create_prof_cpu_mask+0x20/0x20 [ 123.661487][ T8574] ? arch_stack_walk+0x93/0xe0 [ 123.666452][ T8574] ? stack_trace_save+0x8c/0xc0 [ 123.671503][ T8574] ? stack_trace_consume_entry+0x160/0x160 [ 123.678759][ T8574] ? fs_reclaim_release+0x9c/0xe0 [ 123.684289][ T8574] ? lock_is_held_type+0xfa/0x130 [ 123.690172][ T8574] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 123.696706][ T8574] ? trace_kmalloc+0xbe/0xf0 [ 123.702514][ T8574] ? kmem_cache_alloc_trace+0x21c/0x400 [ 123.709164][ T8574] rtnl_newlink+0x5a/0x90 [ 123.713953][ T8574] rtnetlink_rcv_msg+0x32f/0x860 [ 123.719603][ T8574] ? rtnetlink_put_metrics+0x420/0x420 [ 123.725581][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.731692][ T8574] ? netdev_core_pick_tx+0x290/0x290 [ 123.738102][ T8574] ? lock_acquire+0x130/0x850 [ 123.743321][ T8574] netlink_rcv_skb+0x118/0x370 [ 123.748703][ T8574] ? rtnetlink_put_metrics+0x420/0x420 [ 123.754728][ T8574] ? netlink_ack+0x9f0/0x9f0 [ 123.760404][ T8574] ? netlink_deliver_tap+0x15d/0x990 [ 123.766393][ T8574] netlink_unicast+0x42e/0x700 [ 123.771598][ T8574] ? netlink_attachskb+0x730/0x730 [ 123.777300][ T8574] ? _copy_from_iter_full+0x177/0x690 [ 123.783024][ T8574] netlink_sendmsg+0x70e/0xbe0 [ 123.788292][ T8574] ? netlink_unicast+0x700/0x700 [ 123.793878][ T8574] ? iovec_from_user+0x143/0x290 [ 123.799489][ T8574] ? netlink_unicast+0x700/0x700 [ 123.804948][ T8574] sock_sendmsg+0xab/0xe0 [ 123.809641][ T8574] ____sys_sendmsg+0x5bf/0x7a0 [ 123.816190][ T8574] ? kernel_sendmsg+0x30/0x30 [ 123.821038][ T8574] ? do_recvmmsg+0x550/0x550 [ 123.826141][ T8574] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 123.832743][ T8574] ? __might_fault+0xb5/0x160 [ 123.837803][ T8574] ___sys_sendmsg+0xd3/0x150 [ 123.843264][ T8574] ? sendmsg_copy_msghdr+0x110/0x110 [ 123.849361][ T8574] ? find_held_lock+0x2d/0x110 [ 123.854374][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.861100][ T8574] ? lock_release+0x424/0x7e0 [ 123.866431][ T8574] ? __fget_files+0x193/0x2b0 [ 123.871888][ T8574] ? lock_downgrade+0x7b0/0x7b0 [ 123.877654][ T8574] ? find_held_lock+0x2d/0x110 [ 123.883019][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.889304][ T8574] ? lock_is_held_type+0xfa/0x130 [ 123.895175][ T8574] ? __fget_files+0x1ab/0x2b0 [ 123.900720][ T8574] ? __fget_light+0xbe/0x220 [ 123.906018][ T8574] __sys_sendmsg+0xb2/0x140 [ 123.911364][ T8574] ? __sys_sendmsg_sock+0x10/0x10 [ 123.917520][ T8574] ? check_preemption_disabled+0x36/0xd0 [ 123.924289][ T8574] ? syscall_enter_from_user_mode+0x1d/0x60 [ 123.931026][ T8574] ? lockdep_hardirqs_on+0x54/0x100 [ 123.936926][ T8574] do_syscall_64+0x2d/0x70 [ 123.941730][ T8574] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 123.948463][ T8574] RIP: 0033:0x464d29 [ 123.952676][ T8574] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 123.975346][ T8574] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.984067][ T8574] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 123.993279][ T8574] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 124.002469][ T8574] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 124.011190][ T8574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 124.020491][ T8574] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 124.294728][ T8573] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 124.350921][ T8580] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 124.613010][ T8583] FAULT_INJECTION: forcing a failure. [ 124.613010][ T8583] name failslab, interval 1, probability 0, space 0, times 0 [ 124.627169][ T8583] CPU: 0 PID: 8583 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 124.636822][ T8583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.648684][ T8583] Call Trace: [ 124.652251][ T8583] dump_stack+0x10c/0x14b [ 124.656668][ T8583] should_fail.cold+0x5/0xa [ 124.662213][ T8583] should_failslab+0x5/0x10 [ 124.667136][ T8583] kmem_cache_alloc_node+0x61/0x520 [ 124.672795][ T8583] __alloc_skb+0x153/0x280 [ 124.677597][ T8583] __neigh_notify+0x7f/0x110 [ 124.682437][ T8583] neigh_cleanup_and_release+0x5a/0x220 [ 124.688664][ T8583] neigh_flush_dev+0x4f4/0x800 [ 124.694334][ T8583] ? lock_release+0x424/0x7e0 [ 124.700339][ T8583] __neigh_ifdown.isra.0+0x44/0x390 [ 124.706305][ T8583] ? __local_bh_enable_ip+0x11f/0x220 [ 124.712207][ T8583] ? rt6_disable_ip+0x49d/0x6a0 [ 124.717507][ T8583] neigh_ifdown+0x7/0x10 [ 124.722247][ T8583] rt6_disable_ip+0x551/0x6a0 [ 124.727649][ T8583] ? rt6_sync_down_dev+0x110/0x110 [ 124.733066][ T8583] ? mark_lock+0xf0/0x15f0 [ 124.738336][ T8583] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 124.745076][ T8583] ? lock_chain_count+0x20/0x20 [ 124.750722][ T8583] ? add_addr+0x240/0x240 [ 124.755774][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 124.763369][ T8583] ? lock_is_held_type+0xfa/0x130 [ 124.771286][ T8583] addrconf_notify+0x3e6/0x1ca0 [ 124.776881][ T8583] ? mark_held_locks+0x9f/0xe0 [ 124.782285][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 124.788489][ T8583] ? tls_device_sk_destruct+0x610/0x610 [ 124.794693][ T8583] ? clusterip_netdev_event+0x369/0x540 [ 124.801554][ T8583] ? inet6_ifinfo_notify+0x100/0x100 [ 124.807913][ T8583] ? __local_bh_enable_ip+0x11f/0x220 [ 124.814160][ T8583] ? clusterip_netdev_event+0x369/0x540 [ 124.819702][ T8583] notifier_call_chain+0x94/0x170 [ 124.825761][ T8583] dev_close_many+0x28c/0x560 [ 124.831363][ T8583] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 124.837341][ T8583] dev_change_net_namespace+0xcb7/0x1000 [ 124.843339][ T8583] ? lock_downgrade+0x7b0/0x7b0 [ 124.848287][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 124.855175][ T8583] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 124.861226][ T8583] ? security_capable+0x4c/0x90 [ 124.866142][ T8583] ? ns_capable+0x53/0xc0 [ 124.870898][ T8583] do_setlink+0x16b/0x2f10 [ 124.875551][ T8583] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 124.882339][ T8583] ? unwind_get_return_address+0x51/0x90 [ 124.888281][ T8583] ? rtnl_getlink+0x930/0x930 [ 124.894221][ T8583] ? mark_lock+0xf0/0x15f0 [ 124.899794][ T8583] ? __lock_acquire+0xbc5/0x5050 [ 124.905685][ T8583] ? lock_chain_count+0x20/0x20 [ 124.910963][ T8583] ? mark_lock+0xf0/0x15f0 [ 124.916612][ T8583] ? memset+0x20/0x40 [ 124.921187][ T8583] ? __nla_validate_parse+0xb2/0x1fd0 [ 124.927450][ T8583] ? nla_get_range_signed+0x540/0x540 [ 124.933374][ T8583] __rtnl_newlink+0xab2/0x1350 [ 124.939220][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 124.945529][ T8583] ? rtnl_setlink+0x320/0x320 [ 124.950998][ T8583] ? lock_release+0x424/0x7e0 [ 124.956195][ T8583] ? is_bpf_text_address+0x5f/0xe0 [ 124.962087][ T8583] ? is_bpf_text_address+0x77/0xe0 [ 124.967536][ T8583] ? kernel_text_address+0xbd/0xf0 [ 124.973003][ T8583] ? __kernel_text_address+0x9/0x30 [ 124.979177][ T8583] ? unwind_get_return_address+0x51/0x90 [ 124.985447][ T8583] ? create_prof_cpu_mask+0x20/0x20 [ 124.990843][ T8583] ? arch_stack_walk+0x93/0xe0 [ 124.995943][ T8583] ? stack_trace_save+0x8c/0xc0 [ 125.001083][ T8583] ? stack_trace_consume_entry+0x160/0x160 [ 125.007179][ T8583] ? fs_reclaim_release+0x9c/0xe0 [ 125.012620][ T8583] ? lock_is_held_type+0xfa/0x130 [ 125.017944][ T8583] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 125.024824][ T8583] ? trace_kmalloc+0xbe/0xf0 [ 125.032106][ T8583] ? kmem_cache_alloc_trace+0x21c/0x400 [ 125.038362][ T8583] rtnl_newlink+0x5a/0x90 [ 125.042991][ T8583] rtnetlink_rcv_msg+0x32f/0x860 [ 125.049448][ T8583] ? rtnetlink_put_metrics+0x420/0x420 [ 125.056390][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 125.063565][ T8583] ? netdev_core_pick_tx+0x290/0x290 [ 125.069930][ T8583] ? lock_acquire+0x130/0x850 [ 125.075743][ T8583] netlink_rcv_skb+0x118/0x370 [ 125.081075][ T8583] ? rtnetlink_put_metrics+0x420/0x420 [ 125.087685][ T8583] ? netlink_ack+0x9f0/0x9f0 [ 125.093696][ T8583] ? netlink_deliver_tap+0x15d/0x990 [ 125.106519][ T8583] netlink_unicast+0x42e/0x700 [ 125.112733][ T8583] ? netlink_attachskb+0x730/0x730 [ 125.119583][ T8583] ? _copy_from_iter_full+0x177/0x690 [ 125.126224][ T8583] netlink_sendmsg+0x70e/0xbe0 [ 125.131958][ T8583] ? netlink_unicast+0x700/0x700 [ 125.138005][ T8583] ? iovec_from_user+0x143/0x290 [ 125.144576][ T8583] ? netlink_unicast+0x700/0x700 [ 125.149704][ T8583] sock_sendmsg+0xab/0xe0 [ 125.154604][ T8583] ____sys_sendmsg+0x5bf/0x7a0 [ 125.160025][ T8583] ? kernel_sendmsg+0x30/0x30 [ 125.164873][ T8583] ? do_recvmmsg+0x550/0x550 [ 125.170322][ T8583] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 125.176627][ T8583] ? __might_fault+0xb5/0x160 [ 125.181891][ T8583] ___sys_sendmsg+0xd3/0x150 [ 125.187427][ T8583] ? sendmsg_copy_msghdr+0x110/0x110 [ 125.193103][ T8583] ? find_held_lock+0x2d/0x110 [ 125.198173][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 125.204203][ T8583] ? lock_release+0x424/0x7e0 [ 125.208995][ T8583] ? __fget_files+0x193/0x2b0 [ 125.214013][ T8583] ? lock_downgrade+0x7b0/0x7b0 [ 125.219679][ T8583] ? find_held_lock+0x2d/0x110 [ 125.224871][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 125.230583][ T8583] ? lock_is_held_type+0xfa/0x130 [ 125.236333][ T8583] ? __fget_files+0x1ab/0x2b0 [ 125.243043][ T8583] ? __fget_light+0xbe/0x220 [ 125.248759][ T8583] __sys_sendmsg+0xb2/0x140 [ 125.253392][ T8583] ? __sys_sendmsg_sock+0x10/0x10 [ 125.259316][ T8583] ? check_preemption_disabled+0x36/0xd0 [ 125.265256][ T8583] ? syscall_enter_from_user_mode+0x1d/0x60 [ 125.271577][ T8583] ? lockdep_hardirqs_on+0x54/0x100 [ 125.277216][ T8583] do_syscall_64+0x2d/0x70 [ 125.282420][ T8583] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 125.288803][ T8583] RIP: 0033:0x464d29 [ 125.292953][ T8583] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 125.314591][ T8583] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.323538][ T8583] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 125.332450][ T8583] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 125.341294][ T8583] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 125.350226][ T8583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 125.358503][ T8583] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 125.615489][ T8583] device veth0_macvtap left promiscuous mode [ 125.638654][ T8616] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 125.813867][ T8617] FAULT_INJECTION: forcing a failure. [ 125.813867][ T8617] name failslab, interval 1, probability 0, space 0, times 0 [ 125.828201][ T8617] CPU: 0 PID: 8617 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 125.838113][ T8617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.849007][ T8617] Call Trace: [ 125.852394][ T8617] dump_stack+0x10c/0x14b [ 125.857793][ T8617] should_fail.cold+0x5/0xa [ 125.862510][ T8617] ? lock_acquire+0x212/0x850 [ 125.867666][ T8617] ? sctp_addr_wq_mgmt+0x224/0x6d0 [ 125.873440][ T8617] should_failslab+0x5/0x10 [ 125.878546][ T8617] __kmalloc_track_caller+0x77/0x440 [ 125.884240][ T8617] kmemdup+0x1a/0x40 [ 125.888406][ T8617] sctp_addr_wq_mgmt+0x224/0x6d0 [ 125.893730][ T8617] sctp_inet6addr_event+0x1ec/0x980 [ 125.899727][ T8617] notifier_call_chain+0x94/0x170 [ 125.905374][ T8617] atomic_notifier_call_chain+0x5d/0xf0 [ 125.911741][ T8617] addrconf_ifdown.isra.0+0x7bb/0x10e0 [ 125.918044][ T8617] ? add_addr+0x240/0x240 [ 125.922983][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 125.929631][ T8617] ? lock_is_held_type+0xfa/0x130 [ 125.935290][ T8617] addrconf_notify+0x3e6/0x1ca0 [ 125.941713][ T8617] ? mark_held_locks+0x9f/0xe0 [ 125.946896][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 125.952521][ T8617] ? tls_device_sk_destruct+0x610/0x610 [ 125.958056][ T8617] ? clusterip_netdev_event+0x369/0x540 [ 125.963759][ T8617] ? inet6_ifinfo_notify+0x100/0x100 [ 125.970177][ T8617] ? __local_bh_enable_ip+0x11f/0x220 [ 125.976149][ T8617] ? clusterip_netdev_event+0x369/0x540 [ 125.982376][ T8617] notifier_call_chain+0x94/0x170 [ 125.988716][ T8617] dev_close_many+0x28c/0x560 [ 125.994128][ T8617] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 126.000059][ T8617] dev_change_net_namespace+0xcb7/0x1000 [ 126.007063][ T8617] ? lock_downgrade+0x7b0/0x7b0 [ 126.012415][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 126.019528][ T8617] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 126.025614][ T8617] ? security_capable+0x4c/0x90 [ 126.033104][ T8617] ? ns_capable+0x53/0xc0 [ 126.039532][ T8617] do_setlink+0x16b/0x2f10 [ 126.044923][ T8617] ? rtnl_getlink+0x930/0x930 [ 126.049791][ T8617] ? mark_lock+0xf0/0x15f0 [ 126.054714][ T8617] ? __lock_acquire+0xbc5/0x5050 [ 126.059994][ T8617] ? lock_chain_count+0x20/0x20 [ 126.065517][ T8617] ? mark_lock+0xf0/0x15f0 [ 126.070532][ T8617] ? memset+0x20/0x40 [ 126.076301][ T8617] ? __nla_validate_parse+0xb2/0x1fd0 [ 126.082840][ T8617] ? nla_get_range_signed+0x540/0x540 [ 126.089109][ T8617] __rtnl_newlink+0xab2/0x1350 [ 126.094652][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 126.101060][ T8617] ? rtnl_setlink+0x320/0x320 [ 126.106624][ T8617] ? lock_release+0x424/0x7e0 [ 126.112062][ T8617] ? is_bpf_text_address+0x5f/0xe0 [ 126.118077][ T8617] ? is_bpf_text_address+0x77/0xe0 [ 126.124180][ T8617] ? kernel_text_address+0xbd/0xf0 [ 126.131130][ T8617] ? __kernel_text_address+0x9/0x30 [ 126.137374][ T8617] ? unwind_get_return_address+0x51/0x90 [ 126.145215][ T8617] ? create_prof_cpu_mask+0x20/0x20 [ 126.151621][ T8617] ? arch_stack_walk+0x93/0xe0 [ 126.156935][ T8617] ? stack_trace_save+0x8c/0xc0 [ 126.162321][ T8617] ? stack_trace_consume_entry+0x160/0x160 [ 126.168505][ T8617] ? fs_reclaim_release+0x9c/0xe0 [ 126.174120][ T8617] ? lock_is_held_type+0xfa/0x130 [ 126.179669][ T8617] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 126.185989][ T8617] ? trace_kmalloc+0xbe/0xf0 [ 126.190848][ T8617] ? kmem_cache_alloc_trace+0x21c/0x400 [ 126.196838][ T8617] rtnl_newlink+0x5a/0x90 [ 126.201361][ T8617] rtnetlink_rcv_msg+0x32f/0x860 [ 126.206763][ T8617] ? rtnetlink_put_metrics+0x420/0x420 [ 126.212768][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 126.218631][ T8617] ? netdev_core_pick_tx+0x290/0x290 [ 126.224480][ T8617] ? lock_acquire+0x130/0x850 [ 126.229790][ T8617] netlink_rcv_skb+0x118/0x370 [ 126.235444][ T8617] ? rtnetlink_put_metrics+0x420/0x420 [ 126.243120][ T8617] ? netlink_ack+0x9f0/0x9f0 [ 126.247826][ T8617] ? netlink_deliver_tap+0x15d/0x990 [ 126.253818][ T8617] netlink_unicast+0x42e/0x700 [ 126.259309][ T8617] ? netlink_attachskb+0x730/0x730 [ 126.265185][ T8617] ? _copy_from_iter_full+0x177/0x690 [ 126.271063][ T8617] netlink_sendmsg+0x70e/0xbe0 [ 126.276602][ T8617] ? netlink_unicast+0x700/0x700 [ 126.282321][ T8617] ? iovec_from_user+0x143/0x290 [ 126.288636][ T8617] ? netlink_unicast+0x700/0x700 [ 126.294106][ T8617] sock_sendmsg+0xab/0xe0 [ 126.299697][ T8617] ____sys_sendmsg+0x5bf/0x7a0 [ 126.305126][ T8617] ? kernel_sendmsg+0x30/0x30 [ 126.310444][ T8617] ? do_recvmmsg+0x550/0x550 [ 126.316130][ T8617] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 126.322975][ T8617] ? __might_fault+0xb5/0x160 [ 126.328221][ T8617] ___sys_sendmsg+0xd3/0x150 [ 126.333223][ T8617] ? sendmsg_copy_msghdr+0x110/0x110 [ 126.339462][ T8617] ? find_held_lock+0x2d/0x110 [ 126.344871][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 126.351326][ T8617] ? lock_release+0x424/0x7e0 [ 126.356535][ T8617] ? __fget_files+0x193/0x2b0 [ 126.361688][ T8617] ? lock_downgrade+0x7b0/0x7b0 [ 126.367016][ T8617] ? find_held_lock+0x2d/0x110 [ 126.372574][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 126.379449][ T8617] ? lock_is_held_type+0xfa/0x130 [ 126.385166][ T8617] ? __fget_files+0x1ab/0x2b0 [ 126.390037][ T8617] ? __fget_light+0xbe/0x220 [ 126.394809][ T8617] __sys_sendmsg+0xb2/0x140 [ 126.399947][ T8617] ? __sys_sendmsg_sock+0x10/0x10 [ 126.405342][ T8617] ? check_preemption_disabled+0x36/0xd0 [ 126.411833][ T8617] ? syscall_enter_from_user_mode+0x1d/0x60 [ 126.418155][ T8617] ? lockdep_hardirqs_on+0x54/0x100 [ 126.424665][ T8617] do_syscall_64+0x2d/0x70 [ 126.429704][ T8617] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 126.436475][ T8617] RIP: 0033:0x464d29 [ 126.440992][ T8617] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 126.463808][ T8617] RSP: 002b:00007feba3c48188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 126.473563][ T8617] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 126.482462][ T8617] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 126.493639][ T8617] RBP: 00007feba3c481d0 R08: 0000000000000000 R09: 0000000000000000 [ 126.502210][ T8617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 126.511328][ T8617] R13: 00007ffdf4fb4ecf R14: 00007feba3c48300 R15: 0000000000022000 2021/03/13 03:37:29 executed programs: 124 [ 126.626935][ T8617] netdevsim netdevsim5 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 [ 126.704780][ T8620] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 126.728149][ T8624] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 126.777890][ T8648] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 127.227315][ T8649] FAULT_INJECTION: forcing a failure. [ 127.227315][ T8649] name failslab, interval 1, probability 0, space 0, times 0 [ 127.240854][ T8649] CPU: 1 PID: 8649 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 127.249887][ T8649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.260907][ T8649] Call Trace: [ 127.264471][ T8649] dump_stack+0x10c/0x14b [ 127.269086][ T8649] should_fail.cold+0x5/0xa [ 127.273860][ T8649] ? lock_acquire+0x212/0x850 [ 127.278855][ T8649] ? sctp_addr_wq_mgmt+0x224/0x6d0 [ 127.284482][ T8649] should_failslab+0x5/0x10 [ 127.290772][ T8649] __kmalloc_track_caller+0x77/0x440 [ 127.296772][ T8649] kmemdup+0x1a/0x40 [ 127.301288][ T8649] sctp_addr_wq_mgmt+0x224/0x6d0 [ 127.307243][ T8649] sctp_inet6addr_event+0x1ec/0x980 [ 127.315251][ T8649] notifier_call_chain+0x94/0x170 [ 127.322468][ T8649] atomic_notifier_call_chain+0x5d/0xf0 [ 127.329897][ T8649] addrconf_ifdown.isra.0+0x7bb/0x10e0 [ 127.335864][ T8649] ? add_addr+0x240/0x240 [ 127.340686][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.347354][ T8649] ? lock_is_held_type+0xfa/0x130 [ 127.352825][ T8649] addrconf_notify+0x3e6/0x1ca0 [ 127.358179][ T8649] ? mark_held_locks+0x9f/0xe0 [ 127.364331][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.372134][ T8649] ? tls_device_sk_destruct+0x610/0x610 [ 127.379727][ T8649] ? clusterip_netdev_event+0x369/0x540 [ 127.385886][ T8649] ? inet6_ifinfo_notify+0x100/0x100 [ 127.391628][ T8649] ? __local_bh_enable_ip+0x11f/0x220 [ 127.397361][ T8649] ? clusterip_netdev_event+0x369/0x540 [ 127.403253][ T8649] notifier_call_chain+0x94/0x170 [ 127.408575][ T8649] dev_close_many+0x28c/0x560 [ 127.413353][ T8649] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 127.419669][ T8649] dev_change_net_namespace+0xcb7/0x1000 [ 127.426592][ T8649] ? lock_downgrade+0x7b0/0x7b0 [ 127.431971][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.438091][ T8649] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 127.443882][ T8649] ? security_capable+0x4c/0x90 [ 127.448966][ T8649] ? ns_capable+0x53/0xc0 [ 127.453312][ T8649] do_setlink+0x16b/0x2f10 [ 127.458340][ T8649] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 127.464965][ T8649] ? unwind_get_return_address+0x51/0x90 [ 127.471678][ T8649] ? rtnl_getlink+0x930/0x930 [ 127.477377][ T8649] ? mark_lock+0xf0/0x15f0 [ 127.482450][ T8649] ? __lock_acquire+0xbc5/0x5050 [ 127.488939][ T8649] ? lock_chain_count+0x20/0x20 [ 127.494580][ T8649] ? mark_lock+0xf0/0x15f0 [ 127.499326][ T8649] ? memset+0x20/0x40 [ 127.503598][ T8649] ? __nla_validate_parse+0xb2/0x1fd0 [ 127.509348][ T8649] ? nla_get_range_signed+0x540/0x540 [ 127.515206][ T8649] __rtnl_newlink+0xab2/0x1350 [ 127.521221][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.527527][ T8649] ? rtnl_setlink+0x320/0x320 [ 127.532909][ T8649] ? lock_release+0x424/0x7e0 [ 127.538060][ T8649] ? is_bpf_text_address+0x5f/0xe0 [ 127.544083][ T8649] ? is_bpf_text_address+0x77/0xe0 [ 127.549949][ T8649] ? kernel_text_address+0xbd/0xf0 [ 127.555361][ T8649] ? __kernel_text_address+0x9/0x30 [ 127.560858][ T8649] ? unwind_get_return_address+0x51/0x90 [ 127.566968][ T8649] ? create_prof_cpu_mask+0x20/0x20 [ 127.572556][ T8649] ? arch_stack_walk+0x93/0xe0 [ 127.578154][ T8649] ? stack_trace_save+0x8c/0xc0 [ 127.583672][ T8649] ? stack_trace_consume_entry+0x160/0x160 [ 127.589905][ T8649] ? fs_reclaim_release+0x9c/0xe0 [ 127.595211][ T8649] ? lock_is_held_type+0xfa/0x130 [ 127.600641][ T8649] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 127.606891][ T8649] ? trace_kmalloc+0xbe/0xf0 [ 127.612379][ T8649] ? kmem_cache_alloc_trace+0x21c/0x400 [ 127.618973][ T8649] rtnl_newlink+0x5a/0x90 [ 127.623657][ T8649] rtnetlink_rcv_msg+0x32f/0x860 [ 127.629274][ T8649] ? rtnetlink_put_metrics+0x420/0x420 [ 127.635713][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.643129][ T8649] ? netdev_core_pick_tx+0x290/0x290 [ 127.649444][ T8649] ? lock_acquire+0x130/0x850 [ 127.654531][ T8649] netlink_rcv_skb+0x118/0x370 [ 127.660304][ T8649] ? rtnetlink_put_metrics+0x420/0x420 [ 127.666644][ T8649] ? netlink_ack+0x9f0/0x9f0 [ 127.671663][ T8649] ? netlink_deliver_tap+0x15d/0x990 [ 127.677053][ T8649] netlink_unicast+0x42e/0x700 [ 127.681906][ T8649] ? netlink_attachskb+0x730/0x730 [ 127.687091][ T8649] ? _copy_from_iter_full+0x177/0x690 [ 127.692679][ T8649] netlink_sendmsg+0x70e/0xbe0 [ 127.697822][ T8649] ? netlink_unicast+0x700/0x700 [ 127.703227][ T8649] ? iovec_from_user+0x143/0x290 [ 127.708726][ T8649] ? netlink_unicast+0x700/0x700 [ 127.714035][ T8649] sock_sendmsg+0xab/0xe0 [ 127.719733][ T8649] ____sys_sendmsg+0x5bf/0x7a0 [ 127.725543][ T8649] ? kernel_sendmsg+0x30/0x30 [ 127.731201][ T8649] ? do_recvmmsg+0x550/0x550 [ 127.736060][ T8649] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 127.742714][ T8649] ? __might_fault+0xb5/0x160 [ 127.747577][ T8649] ___sys_sendmsg+0xd3/0x150 [ 127.752264][ T8649] ? sendmsg_copy_msghdr+0x110/0x110 [ 127.758250][ T8649] ? find_held_lock+0x2d/0x110 [ 127.763827][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.770279][ T8649] ? lock_release+0x424/0x7e0 [ 127.775478][ T8649] ? __fget_files+0x193/0x2b0 [ 127.780334][ T8649] ? lock_downgrade+0x7b0/0x7b0 [ 127.785815][ T8649] ? find_held_lock+0x2d/0x110 [ 127.790864][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.797693][ T8649] ? lock_is_held_type+0xfa/0x130 [ 127.803309][ T8649] ? __fget_files+0x1ab/0x2b0 [ 127.808509][ T8649] ? __fget_light+0xbe/0x220 [ 127.813293][ T8649] __sys_sendmsg+0xb2/0x140 [ 127.817985][ T8649] ? __sys_sendmsg_sock+0x10/0x10 [ 127.823367][ T8649] ? check_preemption_disabled+0x36/0xd0 [ 127.829327][ T8649] ? syscall_enter_from_user_mode+0x1d/0x60 [ 127.835969][ T8649] ? lockdep_hardirqs_on+0x54/0x100 [ 127.841973][ T8649] do_syscall_64+0x2d/0x70 [ 127.847335][ T8649] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 127.854035][ T8649] RIP: 0033:0x464d29 [ 127.858831][ T8649] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 127.884211][ T8649] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 127.894367][ T8649] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 127.904390][ T8649] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 127.913043][ T8649] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 127.924209][ T8649] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 127.933229][ T8649] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 128.020825][ T8649] netdevsim netdevsim4 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0 [ 128.084025][ T8652] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 128.141574][ T8683] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 128.669909][ T8693] FAULT_INJECTION: forcing a failure. [ 128.669909][ T8693] name failslab, interval 1, probability 0, space 0, times 0 [ 128.684498][ T8693] CPU: 1 PID: 8693 Comm: syz-executor.2 Not tainted 5.12.0-rc2-syzkaller #0 [ 128.693738][ T8693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.704449][ T8693] Call Trace: [ 128.708278][ T8693] dump_stack+0x10c/0x14b [ 128.713462][ T8693] should_fail.cold+0x5/0xa [ 128.718790][ T8693] ? mark_held_locks+0x9f/0xe0 [ 128.724610][ T8693] should_failslab+0x5/0x10 [ 128.729578][ T8693] kmem_cache_alloc_node_trace+0x65/0x540 [ 128.736431][ T8693] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 128.742517][ T8693] __kmalloc_node_track_caller+0x38/0x60 [ 128.749357][ T8693] __alloc_skb+0x8b/0x280 [ 128.754455][ T8693] __neigh_notify+0x7f/0x110 [ 128.759493][ T8693] neigh_cleanup_and_release+0x5a/0x220 [ 128.765583][ T8693] neigh_flush_dev+0x4f4/0x800 [ 128.770887][ T8693] ? lock_release+0x424/0x7e0 [ 128.776505][ T8693] __neigh_ifdown.isra.0+0x44/0x390 [ 128.782209][ T8693] ? __local_bh_enable_ip+0x11f/0x220 [ 128.789323][ T8693] ? rt6_disable_ip+0x49d/0x6a0 [ 128.794882][ T8693] neigh_ifdown+0x7/0x10 [ 128.799650][ T8693] rt6_disable_ip+0x551/0x6a0 [ 128.804541][ T8693] ? rt6_sync_down_dev+0x110/0x110 [ 128.810136][ T8693] ? mark_lock+0xf0/0x15f0 [ 128.815241][ T8693] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 128.822053][ T8693] ? lock_chain_count+0x20/0x20 [ 128.828260][ T8693] ? add_addr+0x240/0x240 [ 128.833556][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 128.840642][ T8693] ? lock_is_held_type+0xfa/0x130 [ 128.846298][ T8693] addrconf_notify+0x3e6/0x1ca0 [ 128.851597][ T8693] ? mark_held_locks+0x9f/0xe0 [ 128.857032][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 128.863375][ T8693] ? tls_device_sk_destruct+0x610/0x610 [ 128.869231][ T8693] ? clusterip_netdev_event+0x369/0x540 [ 128.876879][ T8693] ? inet6_ifinfo_notify+0x100/0x100 [ 128.883140][ T8693] ? __local_bh_enable_ip+0x11f/0x220 [ 128.889220][ T8693] ? clusterip_netdev_event+0x369/0x540 [ 128.895030][ T8693] notifier_call_chain+0x94/0x170 [ 128.900407][ T8693] dev_close_many+0x28c/0x560 [ 128.905993][ T8693] ? __napi_schedule_irqoff+0x1f0/0x1f0 [ 128.912069][ T8693] dev_change_net_namespace+0xcb7/0x1000 [ 128.918200][ T8693] ? lock_downgrade+0x7b0/0x7b0 [ 128.923337][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 128.929233][ T8693] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 128.934688][ T8693] ? security_capable+0x4c/0x90 [ 128.939526][ T8693] ? ns_capable+0x53/0xc0 [ 128.944372][ T8693] do_setlink+0x16b/0x2f10 [ 128.949058][ T8693] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 128.955826][ T8693] ? unwind_get_return_address+0x51/0x90 [ 128.961889][ T8693] ? rtnl_getlink+0x930/0x930 [ 128.966991][ T8693] ? mark_lock+0xf0/0x15f0 [ 128.971813][ T8693] ? __lock_acquire+0xbc5/0x5050 [ 128.977021][ T8693] ? lock_chain_count+0x20/0x20 [ 128.982046][ T8693] ? mark_lock+0xf0/0x15f0 [ 128.986537][ T8693] ? memset+0x20/0x40 [ 128.990983][ T8693] ? __nla_validate_parse+0xb2/0x1fd0 [ 128.996992][ T8693] ? nla_get_range_signed+0x540/0x540 [ 129.003428][ T8693] __rtnl_newlink+0xab2/0x1350 [ 129.008896][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 129.015101][ T8693] ? rtnl_setlink+0x320/0x320 [ 129.020316][ T8693] ? lock_release+0x424/0x7e0 [ 129.026943][ T8693] ? is_bpf_text_address+0x5f/0xe0 [ 129.037856][ T8693] ? is_bpf_text_address+0x77/0xe0 [ 129.047016][ T8693] ? kernel_text_address+0xbd/0xf0 [ 129.056601][ T8693] ? __kernel_text_address+0x9/0x30 [ 129.064754][ T8693] ? unwind_get_return_address+0x51/0x90 [ 129.075548][ T8693] ? create_prof_cpu_mask+0x20/0x20 [ 129.083912][ T8693] ? arch_stack_walk+0x93/0xe0 [ 129.090158][ T8693] ? stack_trace_save+0x8c/0xc0 [ 129.098281][ T8693] ? stack_trace_consume_entry+0x160/0x160 [ 129.106034][ T8693] ? fs_reclaim_release+0x9c/0xe0 [ 129.112017][ T8693] ? lock_is_held_type+0xfa/0x130 [ 129.120228][ T8693] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 129.129212][ T8693] ? trace_kmalloc+0xbe/0xf0 [ 129.134325][ T8693] ? kmem_cache_alloc_trace+0x21c/0x400 [ 129.141893][ T8693] rtnl_newlink+0x5a/0x90 [ 129.147628][ T8693] rtnetlink_rcv_msg+0x32f/0x860 [ 129.153798][ T8693] ? rtnetlink_put_metrics+0x420/0x420 [ 129.159961][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 129.166516][ T8693] ? netdev_core_pick_tx+0x290/0x290 [ 129.174509][ T8693] ? lock_acquire+0x130/0x850 [ 129.188962][ T8693] netlink_rcv_skb+0x118/0x370 [ 129.201721][ T8693] ? rtnetlink_put_metrics+0x420/0x420 [ 129.210907][ T8693] ? netlink_ack+0x9f0/0x9f0 [ 129.219061][ T8693] ? netlink_deliver_tap+0x15d/0x990 [ 129.227842][ T8693] netlink_unicast+0x42e/0x700 [ 129.235664][ T8693] ? netlink_attachskb+0x730/0x730 [ 129.243912][ T8693] ? _copy_from_iter_full+0x177/0x690 [ 129.255332][ T8693] netlink_sendmsg+0x70e/0xbe0 [ 129.264799][ T8693] ? netlink_unicast+0x700/0x700 [ 129.273591][ T8693] ? iovec_from_user+0x143/0x290 [ 129.279818][ T8693] ? netlink_unicast+0x700/0x700 [ 129.285939][ T8693] sock_sendmsg+0xab/0xe0 [ 129.292099][ T8693] ____sys_sendmsg+0x5bf/0x7a0 [ 129.299370][ T8693] ? kernel_sendmsg+0x30/0x30 [ 129.306559][ T8693] ? do_recvmmsg+0x550/0x550 [ 129.315941][ T8693] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 129.326677][ T8693] ? __might_fault+0xb5/0x160 [ 129.334155][ T8693] ___sys_sendmsg+0xd3/0x150 [ 129.339945][ T8693] ? sendmsg_copy_msghdr+0x110/0x110 [ 129.345661][ T8693] ? find_held_lock+0x2d/0x110 [ 129.353058][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 129.361235][ T8693] ? lock_release+0x424/0x7e0 [ 129.370162][ T8693] ? __fget_files+0x193/0x2b0 [ 129.376800][ T8693] ? lock_downgrade+0x7b0/0x7b0 [ 129.383326][ T8693] ? find_held_lock+0x2d/0x110 [ 129.389123][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 129.395416][ T8693] ? lock_is_held_type+0xfa/0x130 [ 129.401186][ T8693] ? __fget_files+0x1ab/0x2b0 [ 129.406236][ T8693] ? __fget_light+0xbe/0x220 [ 129.411816][ T8693] __sys_sendmsg+0xb2/0x140 [ 129.417666][ T8693] ? __sys_sendmsg_sock+0x10/0x10 [ 129.423599][ T8693] ? check_preemption_disabled+0x36/0xd0 [ 129.430290][ T8693] ? syscall_enter_from_user_mode+0x1d/0x60 [ 129.437466][ T8693] ? lockdep_hardirqs_on+0x54/0x100 [ 129.443226][ T8693] do_syscall_64+0x2d/0x70 [ 129.449127][ T8693] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 129.456289][ T8693] RIP: 0033:0x464d29 [ 129.460920][ T8693] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 129.481820][ T8693] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 129.491528][ T8693] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 129.500320][ T8693] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 129.509224][ T8693] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 129.518317][ T8693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 129.527020][ T8693] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 129.855998][ T8728] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 129.968364][ T8732] FAULT_INJECTION: forcing a failure. [ 129.968364][ T8732] name failslab, interval 1, probability 0, space 0, times 0 [ 130.026696][ T8732] CPU: 1 PID: 8732 Comm: syz-executor.5 Not tainted 5.12.0-rc2-syzkaller #0 [ 130.041085][ T8732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.055157][ T8732] Call Trace: [ 130.058897][ T8732] dump_stack+0x10c/0x14b [ 130.063782][ T8732] should_fail.cold+0x5/0xa [ 130.069540][ T8732] should_failslab+0x5/0x10 [ 130.074583][ T8732] kmem_cache_alloc_trace+0x57/0x400 [ 130.081101][ T8732] ? kobj_ns_initial+0x70/0x70 [ 130.086968][ T8732] call_usermodehelper_setup+0x76/0x2d0 [ 130.093059][ T8732] ? memcpy+0x39/0x60 [ 130.097534][ T8732] kobject_uevent_env+0xa9a/0xf50 [ 130.103074][ T8732] ? check_preemption_disabled+0x36/0xd0 [ 130.108989][ T8732] ? __local_bh_enable_ip+0x11f/0x220 [ 130.114665][ T8732] ? dev_change_net_namespace+0x4d7/0x1000 [ 130.121376][ T8732] ? lockdep_hardirqs_on+0x54/0x100 [ 130.127128][ T8732] dev_change_net_namespace+0x9c3/0x1000 [ 130.134245][ T8732] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 130.140790][ T8732] ? security_capable+0x4c/0x90 [ 130.146615][ T8732] ? ns_capable+0x53/0xc0 [ 130.151333][ T8732] do_setlink+0x16b/0x2f10 [ 130.156702][ T8732] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 130.162992][ T8732] ? unwind_get_return_address+0x51/0x90 [ 130.169376][ T8732] ? rtnl_getlink+0x930/0x930 [ 130.174972][ T8732] ? mark_lock+0xf0/0x15f0 [ 130.179700][ T8732] ? __lock_acquire+0xbc5/0x5050 [ 130.185147][ T8732] ? lock_chain_count+0x20/0x20 [ 130.190220][ T8732] ? mark_lock+0xf0/0x15f0 [ 130.194758][ T8732] ? memset+0x20/0x40 [ 130.198756][ T8732] ? __nla_validate_parse+0xb2/0x1fd0 [ 130.204249][ T8732] ? nla_get_range_signed+0x540/0x540 [ 130.210014][ T8732] __rtnl_newlink+0xab2/0x1350 [ 130.215340][ T8732] ? check_preemption_disabled+0x36/0xd0 [ 130.221701][ T8732] ? rtnl_setlink+0x320/0x320 [ 130.226742][ T8732] ? lock_release+0x424/0x7e0 [ 130.232415][ T8732] ? is_bpf_text_address+0x5f/0xe0 [ 130.239983][ T8732] ? is_bpf_text_address+0x77/0xe0 [ 130.246752][ T8732] ? kernel_text_address+0xbd/0xf0 [ 130.252193][ T8732] ? __kernel_text_address+0x9/0x30 [ 130.258222][ T8732] ? unwind_get_return_address+0x51/0x90 [ 130.265574][ T8732] ? create_prof_cpu_mask+0x20/0x20 [ 130.271507][ T8732] ? arch_stack_walk+0x93/0xe0 [ 130.277309][ T8732] ? stack_trace_save+0x8c/0xc0 [ 130.282790][ T8732] ? stack_trace_consume_entry+0x160/0x160 [ 130.289217][ T8732] ? fs_reclaim_release+0x9c/0xe0 [ 130.295437][ T8732] ? lock_is_held_type+0xfa/0x130 [ 130.301090][ T8732] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 130.307426][ T8732] ? trace_kmalloc+0xbe/0xf0 [ 130.312664][ T8732] ? kmem_cache_alloc_trace+0x21c/0x400 [ 130.321112][ T8732] rtnl_newlink+0x5a/0x90 [ 130.325724][ T8732] rtnetlink_rcv_msg+0x32f/0x860 [ 130.331025][ T8732] ? rtnetlink_put_metrics+0x420/0x420 [ 130.337296][ T8732] ? check_preemption_disabled+0x36/0xd0 [ 130.343316][ T8732] ? netdev_core_pick_tx+0x290/0x290 [ 130.349318][ T8732] ? lock_acquire+0x130/0x850 [ 130.354308][ T8732] netlink_rcv_skb+0x118/0x370 [ 130.360211][ T8732] ? rtnetlink_put_metrics+0x420/0x420 [ 130.366228][ T8732] ? netlink_ack+0x9f0/0x9f0 [ 130.371174][ T8732] ? netlink_deliver_tap+0x15d/0x990 [ 130.376756][ T8732] netlink_unicast+0x42e/0x700 [ 130.382235][ T8732] ? netlink_attachskb+0x730/0x730 [ 130.387823][ T8732] ? _copy_from_iter_full+0x177/0x690 [ 130.393757][ T8732] netlink_sendmsg+0x70e/0xbe0 [ 130.398899][ T8732] ? netlink_unicast+0x700/0x700 [ 130.403849][ T8732] ? iovec_from_user+0x143/0x290 [ 130.409483][ T8732] ? netlink_unicast+0x700/0x700 [ 130.415129][ T8732] sock_sendmsg+0xab/0xe0 [ 130.419981][ T8732] ____sys_sendmsg+0x5bf/0x7a0 [ 130.425995][ T8732] ? kernel_sendmsg+0x30/0x30 [ 130.431258][ T8732] ? do_recvmmsg+0x550/0x550 [ 130.437672][ T8732] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 130.444646][ T8732] ? __might_fault+0xb5/0x160 [ 130.449813][ T8732] ___sys_sendmsg+0xd3/0x150 [ 130.455045][ T8732] ? sendmsg_copy_msghdr+0x110/0x110 [ 130.461127][ T8732] ? find_held_lock+0x2d/0x110 [ 130.467028][ T8732] ? check_preemption_disabled+0x36/0xd0 [ 130.473253][ T8732] ? lock_release+0x424/0x7e0 [ 130.477961][ T8732] ? __fget_files+0x193/0x2b0 [ 130.483000][ T8732] ? lock_downgrade+0x7b0/0x7b0 [ 130.488569][ T8732] ? find_held_lock+0x2d/0x110 [ 130.494226][ T8732] ? check_preemption_disabled+0x36/0xd0 [ 130.500037][ T8732] ? lock_is_held_type+0xfa/0x130 [ 130.505689][ T8732] ? __fget_files+0x1ab/0x2b0 [ 130.510873][ T8732] ? __fget_light+0xbe/0x220 [ 130.516299][ T8732] __sys_sendmsg+0xb2/0x140 [ 130.520888][ T8732] ? __sys_sendmsg_sock+0x10/0x10 [ 130.526730][ T8732] ? check_preemption_disabled+0x36/0xd0 [ 130.532981][ T8732] ? syscall_enter_from_user_mode+0x1d/0x60 [ 130.539433][ T8732] ? lockdep_hardirqs_on+0x54/0x100 [ 130.544924][ T8732] do_syscall_64+0x2d/0x70 [ 130.550076][ T8732] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.556880][ T8732] RIP: 0033:0x464d29 [ 130.561165][ T8732] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 130.583666][ T8732] RSP: 002b:00007feba3c48188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 130.592627][ T8732] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 130.601746][ T8732] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 130.610802][ T8732] RBP: 00007feba3c481d0 R08: 0000000000000000 R09: 0000000000000000 [ 130.619658][ T8732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 130.628752][ T8732] R13: 00007ffdf4fb4ecf R14: 00007feba3c48300 R15: 0000000000022000 [ 130.706944][ T8744] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 130.725660][ T8747] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 130.752760][ T8752] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 130.858025][ T8754] FAULT_INJECTION: forcing a failure. [ 130.858025][ T8754] name failslab, interval 1, probability 0, space 0, times 0 [ 130.878725][ T8754] CPU: 0 PID: 8754 Comm: syz-executor.1 Not tainted 5.12.0-rc2-syzkaller #0 [ 130.888489][ T8754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.899380][ T8754] Call Trace: [ 130.903081][ T8754] dump_stack+0x10c/0x14b [ 130.907685][ T8754] should_fail.cold+0x5/0xa [ 130.912542][ T8754] should_failslab+0x5/0x10 [ 130.917455][ T8754] kmem_cache_alloc_node+0x61/0x520 [ 130.923551][ T8754] __alloc_skb+0x153/0x280 [ 130.929041][ T8754] alloc_uevent_skb+0x76/0x200 [ 130.934385][ T8754] kobject_uevent_env+0xc49/0xf50 [ 130.940233][ T8754] ? check_preemption_disabled+0x36/0xd0 [ 130.946841][ T8754] ? __local_bh_enable_ip+0x11f/0x220 [ 130.953259][ T8754] ? dev_change_net_namespace+0x4d7/0x1000 [ 130.960447][ T8754] ? lockdep_hardirqs_on+0x54/0x100 [ 130.965819][ T8754] dev_change_net_namespace+0x9c3/0x1000 [ 130.971791][ T8754] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 130.977500][ T8754] ? security_capable+0x4c/0x90 [ 130.983245][ T8754] ? ns_capable+0x53/0xc0 [ 130.987771][ T8754] do_setlink+0x16b/0x2f10 [ 130.992721][ T8754] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 130.999735][ T8754] ? unwind_get_return_address+0x51/0x90 [ 131.005591][ T8754] ? rtnl_getlink+0x930/0x930 [ 131.010603][ T8754] ? mark_lock+0xf0/0x15f0 [ 131.016132][ T8754] ? __lock_acquire+0xbc5/0x5050 [ 131.021696][ T8754] ? lock_chain_count+0x20/0x20 [ 131.027121][ T8754] ? mark_lock+0xf0/0x15f0 [ 131.032741][ T8754] ? memset+0x20/0x40 [ 131.037374][ T8754] ? __nla_validate_parse+0xb2/0x1fd0 [ 131.044702][ T8754] ? nla_get_range_signed+0x540/0x540 [ 131.050598][ T8754] __rtnl_newlink+0xab2/0x1350 [ 131.056660][ T8754] ? check_preemption_disabled+0x36/0xd0 [ 131.063203][ T8754] ? rtnl_setlink+0x320/0x320 [ 131.068408][ T8754] ? lock_release+0x424/0x7e0 [ 131.073759][ T8754] ? is_bpf_text_address+0x5f/0xe0 [ 131.079692][ T8754] ? is_bpf_text_address+0x77/0xe0 [ 131.086065][ T8754] ? kernel_text_address+0xbd/0xf0 [ 131.092131][ T8754] ? __kernel_text_address+0x9/0x30 [ 131.098558][ T8754] ? unwind_get_return_address+0x51/0x90 [ 131.105122][ T8754] ? create_prof_cpu_mask+0x20/0x20 [ 131.111428][ T8754] ? arch_stack_walk+0x93/0xe0 [ 131.117494][ T8754] ? stack_trace_save+0x8c/0xc0 [ 131.123458][ T8754] ? stack_trace_consume_entry+0x160/0x160 [ 131.131882][ T8754] ? fs_reclaim_release+0x9c/0xe0 [ 131.138971][ T8754] ? lock_is_held_type+0xfa/0x130 [ 131.145924][ T8754] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 131.152269][ T8754] ? trace_kmalloc+0xbe/0xf0 [ 131.157488][ T8754] ? kmem_cache_alloc_trace+0x21c/0x400 [ 131.163948][ T8754] rtnl_newlink+0x5a/0x90 [ 131.169199][ T8754] rtnetlink_rcv_msg+0x32f/0x860 [ 131.175059][ T8754] ? rtnetlink_put_metrics+0x420/0x420 [ 131.181317][ T8754] ? check_preemption_disabled+0x36/0xd0 [ 131.187550][ T8754] ? netdev_core_pick_tx+0x290/0x290 [ 131.193170][ T8754] ? lock_acquire+0x130/0x850 [ 131.198140][ T8754] netlink_rcv_skb+0x118/0x370 [ 131.203175][ T8754] ? rtnetlink_put_metrics+0x420/0x420 [ 131.209683][ T8754] ? netlink_ack+0x9f0/0x9f0 [ 131.214585][ T8754] ? netlink_deliver_tap+0x15d/0x990 [ 131.220411][ T8754] netlink_unicast+0x42e/0x700 [ 131.226194][ T8754] ? netlink_attachskb+0x730/0x730 [ 131.232323][ T8754] ? _copy_from_iter_full+0x177/0x690 [ 131.238307][ T8754] netlink_sendmsg+0x70e/0xbe0 [ 131.243534][ T8754] ? netlink_unicast+0x700/0x700 [ 131.249437][ T8754] ? iovec_from_user+0x143/0x290 [ 131.255258][ T8754] ? netlink_unicast+0x700/0x700 [ 131.261217][ T8754] sock_sendmsg+0xab/0xe0 [ 131.267067][ T8754] ____sys_sendmsg+0x5bf/0x7a0 [ 131.273665][ T8754] ? kernel_sendmsg+0x30/0x30 [ 131.279670][ T8754] ? do_recvmmsg+0x550/0x550 [ 131.285051][ T8754] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 131.292606][ T8754] ? __might_fault+0xb5/0x160 [ 131.297426][ T8754] ___sys_sendmsg+0xd3/0x150 [ 131.302372][ T8754] ? sendmsg_copy_msghdr+0x110/0x110 [ 131.309370][ T8754] ? find_held_lock+0x2d/0x110 [ 131.315337][ T8754] ? check_preemption_disabled+0x36/0xd0 [ 131.321923][ T8754] ? lock_release+0x424/0x7e0 [ 131.328211][ T8754] ? __fget_files+0x193/0x2b0 [ 131.333916][ T8754] ? lock_downgrade+0x7b0/0x7b0 [ 131.339621][ T8754] ? find_held_lock+0x2d/0x110 [ 131.344673][ T8754] ? check_preemption_disabled+0x36/0xd0 [ 131.350845][ T8754] ? lock_is_held_type+0xfa/0x130 [ 131.356760][ T8754] ? __fget_files+0x1ab/0x2b0 [ 131.362651][ T8754] ? __fget_light+0xbe/0x220 [ 131.369155][ T8754] __sys_sendmsg+0xb2/0x140 [ 131.374558][ T8754] ? __sys_sendmsg_sock+0x10/0x10 [ 131.380181][ T8754] ? check_preemption_disabled+0x36/0xd0 [ 131.387437][ T8754] ? syscall_enter_from_user_mode+0x1d/0x60 [ 131.395325][ T8754] ? lockdep_hardirqs_on+0x54/0x100 [ 131.402578][ T8754] do_syscall_64+0x2d/0x70 [ 131.407287][ T8754] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 131.413873][ T8754] RIP: 0033:0x464d29 [ 131.418390][ T8754] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 131.442280][ T8754] RSP: 002b:00007fc4792a5188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.451915][ T8754] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 131.461111][ T8754] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 131.470176][ T8754] RBP: 00007fc4792a51d0 R08: 0000000000000000 R09: 0000000000000000 [ 131.478981][ T8754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 131.487392][ T8754] R13: 00007ffffc19c08f R14: 00007fc4792a5300 R15: 0000000000022000 [ 131.528993][ T8755] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 131.588001][ T8756] FAULT_INJECTION: forcing a failure. [ 131.588001][ T8756] name failslab, interval 1, probability 0, space 0, times 0 [ 131.605592][ T8756] CPU: 1 PID: 8756 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 131.614753][ T8756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.625608][ T8756] Call Trace: [ 131.629082][ T8756] dump_stack+0x10c/0x14b [ 131.634564][ T8756] should_fail.cold+0x5/0xa [ 131.639432][ T8756] ? device_rename+0x63/0x1b0 [ 131.644394][ T8756] ? device_rename+0x63/0x1b0 [ 131.649565][ T8756] should_failslab+0x5/0x10 [ 131.654578][ T8756] __kmalloc_track_caller+0x77/0x440 [ 131.659885][ T8756] ? kobject_uevent_env+0x21a/0xf50 [ 131.665867][ T8756] kstrdup+0x29/0x50 [ 131.670835][ T8756] device_rename+0x63/0x1b0 [ 131.676497][ T8756] dev_change_net_namespace+0x628/0x1000 [ 131.682870][ T8756] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 131.688487][ T8756] ? security_capable+0x4c/0x90 [ 131.693826][ T8756] ? ns_capable+0x53/0xc0 [ 131.700087][ T8756] do_setlink+0x16b/0x2f10 [ 131.705777][ T8756] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 131.713815][ T8756] ? unwind_get_return_address+0x51/0x90 [ 131.721202][ T8756] ? rtnl_getlink+0x930/0x930 [ 131.726595][ T8756] ? mark_lock+0xf0/0x15f0 [ 131.731575][ T8756] ? __lock_acquire+0xbc5/0x5050 [ 131.737641][ T8756] ? lock_chain_count+0x20/0x20 [ 131.743550][ T8756] ? mark_lock+0xf0/0x15f0 [ 131.748950][ T8756] ? mark_lock+0xf0/0x15f0 [ 131.753942][ T8756] ? memset+0x20/0x40 [ 131.758633][ T8756] ? __nla_validate_parse+0xb2/0x1fd0 [ 131.764569][ T8756] ? nla_get_range_signed+0x540/0x540 [ 131.770561][ T8756] __rtnl_newlink+0xab2/0x1350 [ 131.776015][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 131.781746][ T8756] ? rtnl_setlink+0x320/0x320 [ 131.787448][ T8756] ? lock_release+0x424/0x7e0 [ 131.792541][ T8756] ? is_bpf_text_address+0x5f/0xe0 [ 131.798219][ T8756] ? is_bpf_text_address+0x77/0xe0 [ 131.803348][ T8756] ? kernel_text_address+0xbd/0xf0 [ 131.808742][ T8756] ? __kernel_text_address+0x9/0x30 [ 131.814086][ T8756] ? unwind_get_return_address+0x51/0x90 [ 131.820140][ T8756] ? create_prof_cpu_mask+0x20/0x20 [ 131.826530][ T8756] ? arch_stack_walk+0x93/0xe0 [ 131.832918][ T8756] ? stack_trace_save+0x8c/0xc0 [ 131.838785][ T8756] ? stack_trace_consume_entry+0x160/0x160 [ 131.845221][ T8756] ? fs_reclaim_release+0x9c/0xe0 [ 131.851605][ T8756] ? lock_is_held_type+0xfa/0x130 [ 131.856634][ T8756] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 131.862684][ T8756] ? trace_kmalloc+0xbe/0xf0 [ 131.868099][ T8756] ? kmem_cache_alloc_trace+0x21c/0x400 [ 131.874134][ T8756] rtnl_newlink+0x5a/0x90 [ 131.879008][ T8756] rtnetlink_rcv_msg+0x32f/0x860 [ 131.885078][ T8756] ? rtnetlink_put_metrics+0x420/0x420 [ 131.891237][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 131.897241][ T8756] ? netdev_core_pick_tx+0x290/0x290 [ 131.903004][ T8756] ? lock_acquire+0x130/0x850 [ 131.908445][ T8756] netlink_rcv_skb+0x118/0x370 [ 131.914168][ T8756] ? rtnetlink_put_metrics+0x420/0x420 [ 131.920236][ T8756] ? netlink_ack+0x9f0/0x9f0 [ 131.925578][ T8756] ? netlink_deliver_tap+0x15d/0x990 [ 131.932545][ T8756] netlink_unicast+0x42e/0x700 [ 131.938738][ T8756] ? netlink_attachskb+0x730/0x730 [ 131.945081][ T8756] ? _copy_from_iter_full+0x177/0x690 [ 131.953363][ T8756] netlink_sendmsg+0x70e/0xbe0 [ 131.959819][ T8756] ? netlink_unicast+0x700/0x700 [ 131.966061][ T8756] ? iovec_from_user+0x143/0x290 [ 131.971958][ T8756] ? netlink_unicast+0x700/0x700 [ 131.977880][ T8756] sock_sendmsg+0xab/0xe0 [ 131.982758][ T8756] ____sys_sendmsg+0x5bf/0x7a0 [ 131.988468][ T8756] ? kernel_sendmsg+0x30/0x30 [ 131.993780][ T8756] ? do_recvmmsg+0x550/0x550 [ 131.999163][ T8756] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 132.005692][ T8756] ? __might_fault+0xb5/0x160 [ 132.010687][ T8756] ___sys_sendmsg+0xd3/0x150 [ 132.015572][ T8756] ? sendmsg_copy_msghdr+0x110/0x110 [ 132.021832][ T8756] ? find_held_lock+0x2d/0x110 [ 132.027596][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 132.037691][ T8756] ? lock_release+0x424/0x7e0 [ 132.043153][ T8756] ? __fget_files+0x193/0x2b0 [ 132.049603][ T8756] ? lock_downgrade+0x7b0/0x7b0 [ 132.054861][ T8756] ? find_held_lock+0x2d/0x110 [ 132.060708][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 132.066847][ T8756] ? lock_is_held_type+0xfa/0x130 [ 132.072058][ T8756] ? __fget_files+0x1ab/0x2b0 [ 132.076931][ T8756] ? __fget_light+0xbe/0x220 [ 132.082713][ T8756] __sys_sendmsg+0xb2/0x140 [ 132.087859][ T8756] ? __sys_sendmsg_sock+0x10/0x10 [ 132.093634][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 132.099668][ T8756] ? syscall_enter_from_user_mode+0x1d/0x60 [ 132.106176][ T8756] ? lockdep_hardirqs_on+0x54/0x100 [ 132.111570][ T8756] do_syscall_64+0x2d/0x70 [ 132.116710][ T8756] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.122966][ T8756] RIP: 0033:0x464d29 [ 132.127911][ T8756] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 132.151479][ T8756] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 132.161003][ T8756] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 132.170582][ T8756] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 132.182174][ T8756] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 [ 132.191479][ T8756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 132.201290][ T8756] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 132.229678][ T8756] ------------[ cut here ]------------ [ 132.235578][ T8756] WARNING: CPU: 1 PID: 8756 at net/core/dev.c:11075 dev_change_net_namespace+0xd59/0x1000 [ 132.250398][ T8756] Modules linked in: [ 132.262064][ T8756] CPU: 1 PID: 8756 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 [ 132.276658][ T8756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.295487][ T8756] RIP: 0010:dev_change_net_namespace+0xd59/0x1000 [ 132.309009][ T8756] Code: 00 00 48 c7 c6 e0 a0 78 88 48 c7 c7 20 a1 78 88 c6 05 46 33 8c 04 01 e8 4d e8 96 01 0f 0b e9 6b f3 ff ff 0f 0b e9 f1 f8 ff ff <0f> 0b e9 d0 f8 ff ff 41 bd ea ff ff ff e9 51 f9 ff ff e8 90 b7 f3 [ 132.346354][ T8756] RSP: 0018:ffffc900010a6dd0 EFLAGS: 00010282 [ 132.362353][ T8756] RAX: 00000000fffffff4 RBX: ffffffff8a0e48c0 RCX: 0000000000000001 [ 132.374722][ T8756] RDX: dffffc0000000000 RSI: ffffffff87cb2c80 RDI: ffffffff88129000 [ 132.388013][ T8756] RBP: ffff888111b34000 R08: 0000000000000001 R09: ffff888111b34603 [ 132.399186][ T8756] R10: ffffed10223668c0 R11: 6637303030302052 R12: ffff888111b34b78 [ 132.412312][ T8756] R13: ffff888111b34098 R14: 000000000000009d R15: 000000008a0e48c0 [ 132.423548][ T8756] FS: 00007f03bed15700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 [ 132.435774][ T8756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.444300][ T8756] CR2: 00007feba3c47f78 CR3: 000000011c0a4004 CR4: 00000000001706f0 [ 132.456584][ T8756] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 132.468136][ T8756] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 132.477838][ T8756] Call Trace: [ 132.481754][ T8756] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 132.488024][ T8756] ? security_capable+0x4c/0x90 [ 132.493301][ T8756] ? ns_capable+0x53/0xc0 [ 132.500138][ T8756] do_setlink+0x16b/0x2f10 [ 132.505290][ T8756] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 132.513419][ T8756] ? unwind_get_return_address+0x51/0x90 [ 132.521232][ T8756] ? rtnl_getlink+0x930/0x930 [ 132.526871][ T8756] ? mark_lock+0xf0/0x15f0 [ 132.532914][ T8756] ? __lock_acquire+0xbc5/0x5050 [ 132.539016][ T8756] ? lock_chain_count+0x20/0x20 [ 132.544341][ T8756] ? mark_lock+0xf0/0x15f0 [ 132.551393][ T8756] ? mark_lock+0xf0/0x15f0 [ 132.556261][ T8756] ? memset+0x20/0x40 [ 132.561325][ T8756] ? __nla_validate_parse+0xb2/0x1fd0 [ 132.568264][ T8756] ? nla_get_range_signed+0x540/0x540 [ 132.573946][ T8756] __rtnl_newlink+0xab2/0x1350 [ 132.579461][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 132.585636][ T8756] ? rtnl_setlink+0x320/0x320 [ 132.591433][ T8756] ? lock_release+0x424/0x7e0 [ 132.596579][ T8756] ? is_bpf_text_address+0x5f/0xe0 [ 132.603565][ T8756] ? is_bpf_text_address+0x77/0xe0 [ 132.614605][ T8756] ? kernel_text_address+0xbd/0xf0 [ 132.623732][ T8756] ? __kernel_text_address+0x9/0x30 [ 132.632072][ T8756] ? unwind_get_return_address+0x51/0x90 [ 132.641901][ T8756] ? create_prof_cpu_mask+0x20/0x20 [ 132.652306][ T8756] ? arch_stack_walk+0x93/0xe0 [ 132.661660][ T8756] ? stack_trace_save+0x8c/0xc0 [ 132.670866][ T8756] ? stack_trace_consume_entry+0x160/0x160 [ 132.687314][ T8756] ? fs_reclaim_release+0x9c/0xe0 [ 132.698372][ T8756] ? lock_is_held_type+0xfa/0x130 [ 132.704993][ T8756] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 132.713110][ T8756] ? trace_kmalloc+0xbe/0xf0 [ 132.719113][ T8756] ? kmem_cache_alloc_trace+0x21c/0x400 [ 132.725161][ T8756] rtnl_newlink+0x5a/0x90 [ 132.730800][ T8756] rtnetlink_rcv_msg+0x32f/0x860 [ 132.736486][ T8756] ? rtnetlink_put_metrics+0x420/0x420 [ 132.743749][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 132.751195][ T8756] ? netdev_core_pick_tx+0x290/0x290 [ 132.764239][ T2706] aoe: packet could not be sent on ipvlan1. consider increasing tx_queue_len [ 132.774463][ T8756] ? lock_acquire+0x130/0x850 [ 132.781339][ T8756] netlink_rcv_skb+0x118/0x370 [ 132.796892][ T8756] ? rtnetlink_put_metrics+0x420/0x420 [ 132.804267][ T8756] ? netlink_ack+0x9f0/0x9f0 [ 132.814792][ T8756] ? netlink_deliver_tap+0x15d/0x990 [ 132.821206][ T8756] netlink_unicast+0x42e/0x700 [ 132.826985][ T8756] ? netlink_attachskb+0x730/0x730 [ 132.840909][ T8756] ? _copy_from_iter_full+0x177/0x690 [ 132.850177][ T8756] netlink_sendmsg+0x70e/0xbe0 [ 132.855454][ T8756] ? netlink_unicast+0x700/0x700 [ 132.862025][ T8756] ? iovec_from_user+0x143/0x290 [ 132.868130][ T8756] ? netlink_unicast+0x700/0x700 [ 132.873481][ T8756] sock_sendmsg+0xab/0xe0 [ 132.880155][ T8756] ____sys_sendmsg+0x5bf/0x7a0 [ 132.885517][ T8756] ? kernel_sendmsg+0x30/0x30 [ 132.891147][ T8756] ? do_recvmmsg+0x550/0x550 [ 132.896038][ T8756] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 132.903761][ T8756] ? __might_fault+0xb5/0x160 [ 132.909263][ T8756] ___sys_sendmsg+0xd3/0x150 [ 132.914705][ T8756] ? sendmsg_copy_msghdr+0x110/0x110 [ 132.921074][ T8756] ? find_held_lock+0x2d/0x110 [ 132.926601][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 132.933244][ T8756] ? lock_release+0x424/0x7e0 [ 132.938343][ T8756] ? __fget_files+0x193/0x2b0 [ 132.945938][ T8756] ? lock_downgrade+0x7b0/0x7b0 [ 132.952509][ T8756] ? find_held_lock+0x2d/0x110 [ 132.958560][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 132.965281][ T8756] ? lock_is_held_type+0xfa/0x130 [ 132.972307][ T8756] ? __fget_files+0x1ab/0x2b0 [ 132.978161][ T8756] ? __fget_light+0xbe/0x220 [ 132.983841][ T8756] __sys_sendmsg+0xb2/0x140 [ 132.989012][ T8756] ? __sys_sendmsg_sock+0x10/0x10 [ 132.994357][ T8756] ? check_preemption_disabled+0x36/0xd0 [ 133.000956][ T8756] ? syscall_enter_from_user_mode+0x1d/0x60 [ 133.011906][ T8756] ? lockdep_hardirqs_on+0x54/0x100 [ 133.017530][ T8756] do_syscall_64+0x2d/0x70 [ 133.022654][ T8756] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.031592][ T8756] RIP: 0033:0x464d29 [ 133.036662][ T8756] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 133.060385][ T8756] RSP: 002b:00007f03bed15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 133.071634][ T8756] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 133.080923][ T8756] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 133.090201][ T8756] RBP: 00007f03bed151d0 R08: 0000000000000000 R09: 0000000000000000 2021/03/13 03:37:36 executed programs: 134 [ 133.100110][ T8756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 133.109355][ T8756] R13: 00007ffc737f8a4f R14: 00007f03bed15300 R15: 0000000000022000 [ 133.120919][ T8756] irq event stamp: 7689 [ 133.125274][ T8756] hardirqs last enabled at (7701): [] _raw_spin_unlock_irq+0x1f/0x80 [ 133.139239][ T8756] hardirqs last disabled at (7742): [] __schedule+0x1225/0x2180 [ 133.150427][ T8756] softirqs last enabled at (7786): [] irq_exit_rcu+0x237/0x280 [ 133.161271][ T8756] softirqs last disabled at (7799): [] irq_exit_rcu+0x237/0x280 [ 133.171941][ T8756] ---[ end trace 5b94d8da8452dabb ]--- [ 133.230068][ T8825] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 134.007512][ T8826] FAULT_INJECTION: forcing a failure. [ 134.007512][ T8826] name failslab, interval 1, probability 0, space 0, times 0 [ 134.025058][ T8826] CPU: 1 PID: 8826 Comm: syz-executor.2 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 134.039829][ T8826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.051608][ T8826] Call Trace: [ 134.054904][ T8826] dump_stack+0x10c/0x14b [ 134.060103][ T8826] should_fail.cold+0x5/0xa [ 134.065102][ T8826] should_failslab+0x5/0x10 [ 134.070002][ T8826] kmem_cache_alloc_node+0x61/0x520 [ 134.075934][ T8826] __alloc_skb+0x153/0x280 [ 134.081203][ T8826] inet_netconf_notify_devconf+0x7b/0x130 [ 134.088408][ T8826] inetdev_event+0x9aa/0x1190 [ 134.093483][ T8826] ? devinet_init_net+0x5b0/0x5b0 [ 134.099546][ T8826] ? _raw_spin_unlock_irqrestore+0x2d/0x85 [ 134.106143][ T8826] ? skb_dequeue+0x110/0x1a0 [ 134.110939][ T8826] notifier_call_chain+0x94/0x170 [ 134.117252][ T8826] dev_change_net_namespace+0x22e/0x1000 [ 134.123807][ T8826] ? lock_downgrade+0x7b0/0x7b0 [ 134.129649][ T8826] ? check_preemption_disabled+0x36/0xd0 [ 134.136343][ T8826] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 134.142272][ T8826] ? security_capable+0x4c/0x90 [ 134.147652][ T8826] ? ns_capable+0x53/0xc0 [ 134.151993][ T8826] do_setlink+0x16b/0x2f10 [ 134.156434][ T8826] ? rtnl_getlink+0x930/0x930 [ 134.162092][ T8826] ? mark_lock+0xf0/0x15f0 [ 134.166910][ T8826] ? lock_chain_count+0x20/0x20 [ 134.172235][ T8826] ? mark_lock+0xf0/0x15f0 [ 134.176836][ T8826] ? mark_lock+0xf0/0x15f0 [ 134.181444][ T8826] ? update_sd_lb_stats.constprop.0+0x27d0/0x27d0 [ 134.189495][ T8826] ? memset+0x20/0x40 [ 134.193660][ T8826] ? __nla_validate_parse+0xb2/0x1fd0 [ 134.199602][ T8826] ? nla_get_range_signed+0x540/0x540 [ 134.205248][ T8826] __rtnl_newlink+0xab2/0x1350 [ 134.210910][ T8826] ? check_preemption_disabled+0x36/0xd0 [ 134.217115][ T8826] ? rtnl_setlink+0x320/0x320 [ 134.222684][ T8826] ? lock_release+0x424/0x7e0 [ 134.228988][ T8826] ? is_bpf_text_address+0x5f/0xe0 [ 134.234563][ T8826] ? is_bpf_text_address+0x77/0xe0 [ 134.240249][ T8826] ? kernel_text_address+0xbd/0xf0 [ 134.245750][ T8826] ? __kernel_text_address+0x9/0x30 [ 134.251514][ T8826] ? unwind_get_return_address+0x51/0x90 [ 134.258456][ T8826] ? create_prof_cpu_mask+0x20/0x20 [ 134.264466][ T8826] ? arch_stack_walk+0x93/0xe0 [ 134.269854][ T8826] ? stack_trace_save+0x8c/0xc0 [ 134.275367][ T8826] ? stack_trace_consume_entry+0x160/0x160 [ 134.281888][ T8826] ? fs_reclaim_release+0x9c/0xe0 [ 134.287556][ T8826] ? lock_is_held_type+0xfa/0x130 [ 134.293637][ T8826] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 134.300029][ T8826] ? trace_kmalloc+0xbe/0xf0 [ 134.304975][ T8826] ? kmem_cache_alloc_trace+0x21c/0x400 [ 134.311428][ T8826] rtnl_newlink+0x5a/0x90 [ 134.315981][ T8826] rtnetlink_rcv_msg+0x32f/0x860 [ 134.321188][ T8826] ? rtnetlink_put_metrics+0x420/0x420 [ 134.326954][ T8826] ? rwlock_bug.part.0+0x90/0x90 [ 134.332544][ T8826] ? netdev_core_pick_tx+0x290/0x290 [ 134.339348][ T8826] netlink_rcv_skb+0x118/0x370 [ 134.344332][ T8826] ? rtnetlink_put_metrics+0x420/0x420 [ 134.350440][ T8826] ? netlink_ack+0x9f0/0x9f0 [ 134.355423][ T8826] ? netlink_deliver_tap+0x15d/0x990 [ 134.361539][ T8826] netlink_unicast+0x42e/0x700 [ 134.366989][ T8826] ? netlink_attachskb+0x730/0x730 [ 134.372799][ T8826] ? _copy_from_iter_full+0x177/0x690 [ 134.379120][ T8826] netlink_sendmsg+0x70e/0xbe0 [ 134.384333][ T8826] ? netlink_unicast+0x700/0x700 [ 134.389835][ T8826] ? iovec_from_user+0x143/0x290 [ 134.395790][ T8826] ? netlink_unicast+0x700/0x700 [ 134.401176][ T8826] sock_sendmsg+0xab/0xe0 [ 134.405746][ T8826] ____sys_sendmsg+0x5bf/0x7a0 [ 134.411059][ T8826] ? kernel_sendmsg+0x30/0x30 [ 134.415934][ T8826] ? do_recvmmsg+0x550/0x550 [ 134.420795][ T8826] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 134.428242][ T8826] ? __might_fault+0xb5/0x160 [ 134.433379][ T8826] ___sys_sendmsg+0xd3/0x150 [ 134.438008][ T8826] ? sendmsg_copy_msghdr+0x110/0x110 [ 134.443915][ T8826] ? find_held_lock+0x2d/0x110 [ 134.448694][ T8826] ? check_preemption_disabled+0x36/0xd0 [ 134.454413][ T8826] ? lock_release+0x424/0x7e0 [ 134.459562][ T8826] ? __fget_files+0x193/0x2b0 [ 134.464799][ T8826] ? lock_downgrade+0x7b0/0x7b0 [ 134.470370][ T8826] ? find_held_lock+0x2d/0x110 [ 134.475595][ T8826] ? check_preemption_disabled+0x36/0xd0 [ 134.481514][ T8826] ? lock_is_held_type+0xfa/0x130 [ 134.489263][ T8826] ? __fget_files+0x1ab/0x2b0 [ 134.494051][ T8826] ? __fget_light+0xbe/0x220 [ 134.499427][ T8826] __sys_sendmsg+0xb2/0x140 [ 134.504145][ T8826] ? __sys_sendmsg_sock+0x10/0x10 [ 134.509946][ T8826] ? check_preemption_disabled+0x36/0xd0 [ 134.516736][ T8826] ? syscall_enter_from_user_mode+0x1d/0x60 [ 134.523545][ T8826] ? lockdep_hardirqs_on+0x54/0x100 [ 134.529145][ T8826] do_syscall_64+0x2d/0x70 [ 134.534425][ T8826] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 134.541065][ T8826] RIP: 0033:0x464d29 [ 134.547073][ T8826] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 134.567727][ T8826] RSP: 002b:00007f0534673188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.577044][ T8826] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 134.585646][ T8826] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 134.594394][ T8826] RBP: 00007f05346731d0 R08: 0000000000000000 R09: 0000000000000000 [ 134.603244][ T8826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 134.612179][ T8826] R13: 00007ffe962b627f R14: 00007f0534673300 R15: 0000000000022000 [ 134.646061][ T8826] netdevsim netdevsim2 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0 [ 134.706993][ T8829] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 134.741289][ T8833] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 134.779671][ T8837] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 134.821383][ T8841] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 134.917670][ T8842] FAULT_INJECTION: forcing a failure. [ 134.917670][ T8842] name failslab, interval 1, probability 0, space 0, times 0 [ 134.950515][ T8842] CPU: 1 PID: 8842 Comm: syz-executor.1 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 134.964248][ T8842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.974919][ T8842] Call Trace: [ 134.978306][ T8842] dump_stack+0x10c/0x14b [ 134.982814][ T8842] should_fail.cold+0x5/0xa [ 134.988039][ T8842] ? device_rename+0x63/0x1b0 [ 134.993482][ T8842] ? device_rename+0x63/0x1b0 [ 134.999305][ T8842] should_failslab+0x5/0x10 [ 135.004806][ T8842] __kmalloc_track_caller+0x77/0x440 [ 135.010410][ T8842] ? kobject_uevent_env+0x21a/0xf50 [ 135.016025][ T8842] kstrdup+0x29/0x50 [ 135.020286][ T8842] device_rename+0x63/0x1b0 [ 135.025686][ T8842] dev_change_net_namespace+0x628/0x1000 [ 135.035150][ T8842] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 135.042327][ T8842] ? security_capable+0x4c/0x90 [ 135.048047][ T8842] ? ns_capable+0x53/0xc0 [ 135.053027][ T8842] do_setlink+0x16b/0x2f10 [ 135.057929][ T8842] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 135.064705][ T8842] ? unwind_get_return_address+0x51/0x90 [ 135.070735][ T8842] ? rtnl_getlink+0x930/0x930 [ 135.076010][ T8842] ? mark_lock+0xf0/0x15f0 [ 135.080594][ T8842] ? __lock_acquire+0xbc5/0x5050 [ 135.086679][ T8842] ? lock_chain_count+0x20/0x20 [ 135.091885][ T8842] ? mark_lock+0xf0/0x15f0 [ 135.096549][ T8842] ? memset+0x20/0x40 [ 135.100963][ T8842] ? __nla_validate_parse+0xb2/0x1fd0 [ 135.107671][ T8842] ? nla_get_range_signed+0x540/0x540 [ 135.113499][ T8842] __rtnl_newlink+0xab2/0x1350 [ 135.119012][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 135.125768][ T8842] ? rtnl_setlink+0x320/0x320 [ 135.131459][ T8842] ? lock_release+0x424/0x7e0 [ 135.138933][ T8842] ? is_bpf_text_address+0x5f/0xe0 [ 135.146299][ T8842] ? is_bpf_text_address+0x77/0xe0 [ 135.153743][ T8842] ? kernel_text_address+0xbd/0xf0 [ 135.159846][ T8842] ? __kernel_text_address+0x9/0x30 [ 135.167143][ T8842] ? unwind_get_return_address+0x51/0x90 [ 135.174466][ T8842] ? create_prof_cpu_mask+0x20/0x20 [ 135.180416][ T8842] ? arch_stack_walk+0x93/0xe0 [ 135.187340][ T8842] ? stack_trace_save+0x8c/0xc0 [ 135.193737][ T8842] ? stack_trace_consume_entry+0x160/0x160 [ 135.200516][ T8842] ? fs_reclaim_release+0x9c/0xe0 [ 135.207826][ T8842] ? lock_is_held_type+0xfa/0x130 [ 135.213890][ T8842] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 135.220885][ T8842] ? trace_kmalloc+0xbe/0xf0 [ 135.226573][ T8842] ? kmem_cache_alloc_trace+0x21c/0x400 [ 135.232246][ T8842] rtnl_newlink+0x5a/0x90 [ 135.238101][ T8842] rtnetlink_rcv_msg+0x32f/0x860 [ 135.243777][ T8842] ? rtnetlink_put_metrics+0x420/0x420 [ 135.250941][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 135.257318][ T8842] ? netdev_core_pick_tx+0x290/0x290 [ 135.263361][ T8842] ? lock_acquire+0x130/0x850 [ 135.268194][ T8842] netlink_rcv_skb+0x118/0x370 [ 135.273430][ T8842] ? rtnetlink_put_metrics+0x420/0x420 [ 135.280306][ T8842] ? netlink_ack+0x9f0/0x9f0 [ 135.285451][ T8842] ? netlink_deliver_tap+0x15d/0x990 [ 135.291352][ T8842] netlink_unicast+0x42e/0x700 [ 135.296889][ T8842] ? netlink_attachskb+0x730/0x730 [ 135.302458][ T8842] ? _copy_from_iter_full+0x177/0x690 [ 135.308758][ T8842] netlink_sendmsg+0x70e/0xbe0 [ 135.313729][ T8842] ? netlink_unicast+0x700/0x700 [ 135.319466][ T8842] ? iovec_from_user+0x143/0x290 [ 135.324690][ T8842] ? netlink_unicast+0x700/0x700 [ 135.329987][ T8842] sock_sendmsg+0xab/0xe0 [ 135.334759][ T8842] ____sys_sendmsg+0x5bf/0x7a0 [ 135.340740][ T8842] ? kernel_sendmsg+0x30/0x30 [ 135.346441][ T8842] ? do_recvmmsg+0x550/0x550 [ 135.351985][ T8842] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 135.360256][ T8842] ? __might_fault+0xb5/0x160 [ 135.365300][ T8842] ___sys_sendmsg+0xd3/0x150 [ 135.370504][ T8842] ? sendmsg_copy_msghdr+0x110/0x110 [ 135.376251][ T8842] ? find_held_lock+0x2d/0x110 [ 135.381360][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 135.387476][ T8842] ? lock_release+0x424/0x7e0 [ 135.392598][ T8842] ? __fget_files+0x193/0x2b0 [ 135.398233][ T8842] ? lock_downgrade+0x7b0/0x7b0 [ 135.404006][ T8842] ? find_held_lock+0x2d/0x110 [ 135.410170][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 135.416701][ T8842] ? lock_is_held_type+0xfa/0x130 [ 135.422208][ T8842] ? __fget_files+0x1ab/0x2b0 [ 135.427621][ T8842] ? __fget_light+0xbe/0x220 [ 135.432979][ T8842] __sys_sendmsg+0xb2/0x140 [ 135.438399][ T8842] ? __sys_sendmsg_sock+0x10/0x10 [ 135.445828][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 135.452821][ T8842] ? syscall_enter_from_user_mode+0x1d/0x60 [ 135.460334][ T8842] ? lockdep_hardirqs_on+0x54/0x100 [ 135.468196][ T8842] do_syscall_64+0x2d/0x70 [ 135.473829][ T8842] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 135.480763][ T8842] RIP: 0033:0x464d29 [ 135.485098][ T8842] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 135.507338][ T8842] RSP: 002b:00007fc4792a5188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 135.516761][ T8842] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 135.526841][ T8842] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 135.537186][ T8842] RBP: 00007fc4792a51d0 R08: 0000000000000000 R09: 0000000000000000 [ 135.546326][ T8842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 135.554759][ T8842] R13: 00007ffffc19c08f R14: 00007fc4792a5300 R15: 0000000000022000 [ 135.569628][ T8842] ------------[ cut here ]------------ [ 135.575659][ T8842] WARNING: CPU: 1 PID: 8842 at net/core/dev.c:11075 dev_change_net_namespace+0xd59/0x1000 [ 135.586880][ T8842] Modules linked in: [ 135.591702][ T8842] CPU: 1 PID: 8842 Comm: syz-executor.1 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 135.603039][ T8842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.614596][ T8842] RIP: 0010:dev_change_net_namespace+0xd59/0x1000 [ 135.622278][ T8842] Code: 00 00 48 c7 c6 e0 a0 78 88 48 c7 c7 20 a1 78 88 c6 05 46 33 8c 04 01 e8 4d e8 96 01 0f 0b e9 6b f3 ff ff 0f 0b e9 f1 f8 ff ff <0f> 0b e9 d0 f8 ff ff 41 bd ea ff ff ff e9 51 f9 ff ff e8 90 b7 f3 [ 135.644625][ T8842] RSP: 0018:ffffc900013f6dd0 EFLAGS: 00010282 [ 135.652504][ T8842] RAX: 00000000fffffff4 RBX: ffffffff8a0e48c0 RCX: 0000000000000001 [ 135.662024][ T8842] RDX: dffffc0000000000 RSI: ffffffff87cb2c80 RDI: ffffffff88129000 [ 135.671275][ T8842] RBP: ffff888117bc4000 R08: 0000000000000001 R09: ffff888117bc4603 [ 135.684306][ T8842] R10: ffffed1022f788c0 R11: 6637303030302052 R12: ffff888117bc4b78 [ 135.694892][ T8842] R13: ffff888117bc4098 R14: 00000000000000a3 R15: 000000008a0e48c0 [ 135.707968][ T8842] FS: 00007fc4792a5700(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 [ 135.723234][ T8842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 135.732321][ T8842] CR2: 00007f76ad6e4000 CR3: 00000001132a7004 CR4: 00000000001706e0 [ 135.741259][ T8842] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 135.750518][ T8842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 135.759885][ T8842] Call Trace: [ 135.763632][ T8842] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 135.769359][ T8842] ? security_capable+0x4c/0x90 [ 135.775004][ T8842] ? ns_capable+0x53/0xc0 [ 135.782598][ T8842] do_setlink+0x16b/0x2f10 [ 135.787891][ T8842] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 135.794426][ T8842] ? unwind_get_return_address+0x51/0x90 [ 135.800627][ T8842] ? rtnl_getlink+0x930/0x930 [ 135.805740][ T8842] ? mark_lock+0xf0/0x15f0 [ 135.810739][ T8842] ? __lock_acquire+0xbc5/0x5050 [ 135.816277][ T8842] ? lock_chain_count+0x20/0x20 [ 135.822099][ T8842] ? mark_lock+0xf0/0x15f0 [ 135.827618][ T8842] ? memset+0x20/0x40 [ 135.832042][ T8842] ? __nla_validate_parse+0xb2/0x1fd0 [ 135.839975][ T8842] ? nla_get_range_signed+0x540/0x540 [ 135.845896][ T8842] __rtnl_newlink+0xab2/0x1350 [ 135.851787][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 135.860799][ T8842] ? rtnl_setlink+0x320/0x320 [ 135.865811][ T8842] ? lock_release+0x424/0x7e0 [ 135.871332][ T8842] ? is_bpf_text_address+0x5f/0xe0 [ 135.877503][ T8842] ? is_bpf_text_address+0x77/0xe0 [ 135.883352][ T8842] ? kernel_text_address+0xbd/0xf0 [ 135.891562][ T8842] ? __kernel_text_address+0x9/0x30 [ 135.896946][ T8842] ? unwind_get_return_address+0x51/0x90 [ 135.903913][ T8842] ? create_prof_cpu_mask+0x20/0x20 [ 135.910314][ T8842] ? arch_stack_walk+0x93/0xe0 [ 135.916113][ T8842] ? stack_trace_save+0x8c/0xc0 [ 135.921860][ T8842] ? stack_trace_consume_entry+0x160/0x160 [ 135.929505][ T8842] ? fs_reclaim_release+0x9c/0xe0 [ 135.935752][ T8842] ? lock_is_held_type+0xfa/0x130 [ 135.942593][ T8842] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 135.948731][ T8842] ? trace_kmalloc+0xbe/0xf0 [ 135.953689][ T8842] ? kmem_cache_alloc_trace+0x21c/0x400 [ 135.960150][ T8842] rtnl_newlink+0x5a/0x90 [ 135.965616][ T8842] rtnetlink_rcv_msg+0x32f/0x860 [ 135.973110][ T8842] ? rtnetlink_put_metrics+0x420/0x420 [ 135.980016][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 135.989393][ T8842] ? netdev_core_pick_tx+0x290/0x290 [ 136.001063][ T8842] ? lock_acquire+0x130/0x850 [ 136.007434][ T8842] netlink_rcv_skb+0x118/0x370 [ 136.012893][ T8842] ? rtnetlink_put_metrics+0x420/0x420 [ 136.020266][ T8842] ? netlink_ack+0x9f0/0x9f0 [ 136.027419][ T8842] ? netlink_deliver_tap+0x15d/0x990 [ 136.038906][ T8842] netlink_unicast+0x42e/0x700 [ 136.045262][ T8842] ? netlink_attachskb+0x730/0x730 [ 136.052297][ T8842] ? _copy_from_iter_full+0x177/0x690 [ 136.059370][ T8842] netlink_sendmsg+0x70e/0xbe0 [ 136.064852][ T8842] ? netlink_unicast+0x700/0x700 [ 136.073552][ T8842] ? iovec_from_user+0x143/0x290 [ 136.079613][ T8842] ? netlink_unicast+0x700/0x700 [ 136.086181][ T8842] sock_sendmsg+0xab/0xe0 [ 136.091501][ T8842] ____sys_sendmsg+0x5bf/0x7a0 [ 136.097434][ T8842] ? kernel_sendmsg+0x30/0x30 [ 136.102572][ T8842] ? do_recvmmsg+0x550/0x550 [ 136.108236][ T8842] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 136.114889][ T8842] ? __might_fault+0xb5/0x160 [ 136.123051][ T8842] ___sys_sendmsg+0xd3/0x150 [ 136.128883][ T8842] ? sendmsg_copy_msghdr+0x110/0x110 [ 136.134856][ T8842] ? find_held_lock+0x2d/0x110 [ 136.141475][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 136.150633][ T8842] ? lock_release+0x424/0x7e0 [ 136.156490][ T8842] ? __fget_files+0x193/0x2b0 [ 136.166723][ T8842] ? lock_downgrade+0x7b0/0x7b0 [ 136.172591][ T8842] ? find_held_lock+0x2d/0x110 [ 136.183006][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 136.189873][ T8842] ? lock_is_held_type+0xfa/0x130 [ 136.195406][ T8842] ? __fget_files+0x1ab/0x2b0 [ 136.201365][ T8842] ? __fget_light+0xbe/0x220 [ 136.206206][ T8842] __sys_sendmsg+0xb2/0x140 [ 136.211517][ T8842] ? __sys_sendmsg_sock+0x10/0x10 [ 136.216844][ T8842] ? check_preemption_disabled+0x36/0xd0 [ 136.222755][ T8842] ? syscall_enter_from_user_mode+0x1d/0x60 [ 136.229356][ T8842] ? lockdep_hardirqs_on+0x54/0x100 [ 136.235762][ T8842] do_syscall_64+0x2d/0x70 [ 136.241503][ T8842] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 136.248644][ T8842] RIP: 0033:0x464d29 [ 136.252937][ T8842] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 136.280013][ T8842] RSP: 002b:00007fc4792a5188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 136.295417][ T8842] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 136.305022][ T8842] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 136.314981][ T8842] RBP: 00007fc4792a51d0 R08: 0000000000000000 R09: 0000000000000000 [ 136.324898][ T8842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 136.334173][ T8842] R13: 00007ffffc19c08f R14: 00007fc4792a5300 R15: 0000000000022000 [ 136.344824][ T8842] irq event stamp: 6601 [ 136.350913][ T8842] hardirqs last enabled at (6637): [] _raw_spin_unlock_irq+0x1f/0x80 [ 136.363193][ T8842] hardirqs last disabled at (6696): [] __schedule+0x1225/0x2180 [ 136.373827][ T8842] softirqs last enabled at (6714): [] irq_exit_rcu+0x237/0x280 [ 136.385498][ T8842] softirqs last disabled at (6725): [] irq_exit_rcu+0x237/0x280 [ 136.398750][ T8842] ---[ end trace 5b94d8da8452dabc ]--- [ 136.427370][ T8888] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 136.468039][ T8888] sysfs: cannot create duplicate filename '/devices/virtual/net/veth5' [ 136.509196][ T8888] CPU: 0 PID: 8888 Comm: syz-executor.4 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 136.522440][ T8888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.536379][ T8888] Call Trace: [ 136.541504][ T8888] dump_stack+0x10c/0x14b [ 136.546975][ T8888] sysfs_warn_dup.cold+0x17/0x24 [ 136.553611][ T8888] sysfs_create_dir_ns+0x1e9/0x260 [ 136.560137][ T8888] ? sysfs_create_mount_point+0x80/0x80 [ 136.565829][ T8888] ? rwlock_bug.part.0+0x90/0x90 [ 136.571416][ T8888] kobject_add_internal+0x276/0x830 [ 136.577072][ T8888] kobject_add+0x120/0x190 [ 136.581652][ T8888] ? kset_create_and_add+0x170/0x170 [ 136.587566][ T8888] ? wait_for_completion_io+0x270/0x270 [ 136.593392][ T8888] ? lockdep_init_map_type+0x2c3/0x870 [ 136.599137][ T8888] device_add+0x2cd/0x1a50 [ 136.603946][ T8888] ? dev_set_name+0xa6/0xd0 [ 136.609197][ T8888] ? device_initialize+0x4e0/0x4e0 [ 136.615622][ T8888] ? lockdep_init_map_type+0x2c3/0x870 [ 136.622087][ T8888] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 136.629564][ T8888] ? __init_waitqueue_head+0x6b/0xd0 [ 136.635266][ T8888] netdev_register_kobject+0x162/0x350 [ 136.641405][ T8888] register_netdevice+0xa77/0x1190 [ 136.647062][ T8888] ? netdev_change_features+0xa0/0xa0 [ 136.652795][ T8888] ? rtnl_create_link+0x15a/0xb40 [ 136.659279][ T8888] veth_newlink+0x374/0x890 [ 136.665233][ T8888] ? netlink_unicast+0x351/0x700 [ 136.671538][ T8888] ? veth_open+0x130/0x130 [ 136.677869][ T8888] ? ___sys_sendmsg+0xd3/0x150 [ 136.683026][ T8888] ? __sys_sendmsg+0xb2/0x140 [ 136.688424][ T8888] ? do_syscall_64+0x2d/0x70 [ 136.693439][ T8888] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 136.700102][ T8888] ? lock_is_held_type+0xfa/0x130 [ 136.705295][ T8888] ? find_held_lock+0x2d/0x110 [ 136.711254][ T8888] ? check_preemption_disabled+0x36/0xd0 [ 136.717332][ T8888] ? lock_release+0x424/0x7e0 [ 136.722223][ T8888] ? fs_reclaim_release+0x9c/0xe0 [ 136.727616][ T8888] ? mark_held_locks+0x9f/0xe0 [ 136.733569][ T8888] ? lock_is_held_type+0xfa/0x130 [ 136.739132][ T8888] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 136.745357][ T8888] ? kmem_cache_alloc_node_trace+0x45e/0x540 [ 136.752582][ T8888] ? memset+0x20/0x40 [ 136.757447][ T8888] ? memcpy+0x39/0x60 [ 136.761549][ T8888] ? alloc_netdev_mqs+0x900/0xda0 [ 136.767563][ T8888] ? security_capable+0x4c/0x90 [ 136.772995][ T8888] ? rtnl_create_link+0x15a/0xb40 [ 136.778668][ T8888] __rtnl_newlink+0xcbf/0x1350 [ 136.784069][ T8888] ? check_preemption_disabled+0x36/0xd0 [ 136.790092][ T8888] ? rtnl_setlink+0x320/0x320 [ 136.795237][ T8888] ? lock_release+0x424/0x7e0 [ 136.800722][ T8888] ? is_bpf_text_address+0x5f/0xe0 [ 136.805950][ T8888] ? is_bpf_text_address+0x77/0xe0 [ 136.811891][ T8888] ? kernel_text_address+0xbd/0xf0 [ 136.818065][ T8888] ? __kernel_text_address+0x9/0x30 [ 136.823546][ T8888] ? unwind_get_return_address+0x51/0x90 [ 136.829648][ T8888] ? create_prof_cpu_mask+0x20/0x20 [ 136.835147][ T8888] ? arch_stack_walk+0x93/0xe0 [ 136.840243][ T8888] ? stack_trace_save+0x8c/0xc0 [ 136.845853][ T8888] ? stack_trace_consume_entry+0x160/0x160 [ 136.853160][ T8888] ? fs_reclaim_release+0x9c/0xe0 [ 136.859123][ T8888] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 136.865152][ T8888] ? trace_kmalloc+0xbe/0xf0 [ 136.869877][ T8888] ? kmem_cache_alloc_trace+0x21c/0x400 [ 136.875506][ T8888] rtnl_newlink+0x5a/0x90 [ 136.880267][ T8888] rtnetlink_rcv_msg+0x32f/0x860 [ 136.885948][ T8888] ? rtnetlink_put_metrics+0x420/0x420 [ 136.891801][ T8888] ? check_preemption_disabled+0x36/0xd0 [ 136.898447][ T8888] ? netdev_core_pick_tx+0x290/0x290 [ 136.904679][ T8888] ? lock_acquire+0x130/0x850 [ 136.909799][ T8888] netlink_rcv_skb+0x118/0x370 [ 136.915517][ T8888] ? rtnetlink_put_metrics+0x420/0x420 [ 136.922087][ T8888] ? netlink_ack+0x9f0/0x9f0 [ 136.926669][ T8888] ? netlink_deliver_tap+0x15d/0x990 [ 136.932067][ T8888] netlink_unicast+0x42e/0x700 [ 136.937137][ T8888] ? netlink_attachskb+0x730/0x730 [ 136.942600][ T8888] ? _copy_from_iter_full+0x177/0x690 [ 136.948690][ T8888] netlink_sendmsg+0x70e/0xbe0 [ 136.954333][ T8888] ? netlink_unicast+0x700/0x700 [ 136.960276][ T8888] ? iovec_from_user+0x143/0x290 [ 136.966703][ T8888] ? netlink_unicast+0x700/0x700 [ 136.972100][ T8888] sock_sendmsg+0xab/0xe0 [ 136.976643][ T8888] ____sys_sendmsg+0x5bf/0x7a0 [ 136.981681][ T8888] ? kernel_sendmsg+0x30/0x30 [ 136.987282][ T8888] ? do_recvmmsg+0x550/0x550 [ 136.992743][ T8888] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 137.000192][ T8888] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 137.007227][ T8888] ___sys_sendmsg+0xd3/0x150 [ 137.011839][ T8888] ? sendmsg_copy_msghdr+0x110/0x110 [ 137.017609][ T8888] ? find_held_lock+0x2d/0x110 [ 137.022366][ T8888] ? check_preemption_disabled+0x36/0xd0 [ 137.027989][ T8888] ? lock_release+0x424/0x7e0 [ 137.034869][ T8888] ? __fget_files+0x193/0x2b0 [ 137.041088][ T8888] ? lock_downgrade+0x7b0/0x7b0 [ 137.046460][ T8888] ? lock_downgrade+0x7b0/0x7b0 [ 137.052137][ T8888] ? check_preemption_disabled+0x36/0xd0 [ 137.058380][ T8888] ? lock_is_held_type+0xfa/0x130 [ 137.063805][ T8888] ? __fget_files+0x1ab/0x2b0 [ 137.069291][ T8888] ? __fget_light+0xbe/0x220 [ 137.074173][ T8888] __sys_sendmsg+0xb2/0x140 [ 137.079358][ T8888] ? __sys_sendmsg_sock+0x10/0x10 [ 137.085658][ T8888] ? check_preemption_disabled+0x36/0xd0 [ 137.092474][ T8888] ? syscall_enter_from_user_mode+0x1d/0x60 [ 137.099478][ T8888] ? lockdep_hardirqs_on+0x54/0x100 [ 137.105465][ T8888] do_syscall_64+0x2d/0x70 [ 137.111041][ T8888] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.118036][ T8888] RIP: 0033:0x464d29 [ 137.122078][ T8888] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 137.144076][ T8888] RSP: 002b:00007f03bed36188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 137.155131][ T8888] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 137.164756][ T8888] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 137.175881][ T8888] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 137.185576][ T8888] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfa0 [ 137.195090][ T8888] R13: 00007ffc737f8a4f R14: 00007f03bed36300 R15: 0000000000022000 [ 137.228968][ T8888] kobject_add_internal failed for veth5 with -EEXIST, don't try to register things with the same name in the same directory. [ 137.265775][ T8922] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 137.341211][ T8926] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 137.435444][ T8946] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 137.526157][ T8956] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 137.784881][ T8989] sysfs: cannot create duplicate filename '/devices/virtual/net/veth4' [ 137.795167][ T8989] CPU: 0 PID: 8989 Comm: syz-executor.1 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 137.806306][ T8989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.817436][ T8989] Call Trace: [ 137.821523][ T8989] dump_stack+0x10c/0x14b [ 137.826059][ T8989] sysfs_warn_dup.cold+0x17/0x24 [ 137.831623][ T8989] sysfs_create_dir_ns+0x1e9/0x260 [ 137.837454][ T8989] ? sysfs_create_mount_point+0x80/0x80 [ 137.843689][ T8989] ? rwlock_bug.part.0+0x90/0x90 [ 137.849087][ T8989] kobject_add_internal+0x276/0x830 [ 137.854998][ T8989] kobject_add+0x120/0x190 [ 137.860477][ T8989] ? kset_create_and_add+0x170/0x170 [ 137.866482][ T8989] ? wait_for_completion_io+0x270/0x270 [ 137.872560][ T8989] ? lockdep_init_map_type+0x2c3/0x870 [ 137.878647][ T8989] device_add+0x2cd/0x1a50 [ 137.883177][ T8989] ? dev_set_name+0xa6/0xd0 [ 137.887696][ T8989] ? device_initialize+0x4e0/0x4e0 [ 137.892988][ T8989] ? lockdep_init_map_type+0x2c3/0x870 [ 137.898722][ T8989] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 137.905315][ T8989] ? __init_waitqueue_head+0x6b/0xd0 [ 137.910781][ T8989] netdev_register_kobject+0x162/0x350 [ 137.916622][ T8989] register_netdevice+0xa77/0x1190 [ 137.922707][ T8989] ? netdev_change_features+0xa0/0xa0 [ 137.928403][ T8989] ? rtnl_create_link+0x15a/0xb40 [ 137.933869][ T8989] veth_newlink+0x374/0x890 [ 137.938852][ T8989] ? netlink_unicast+0x351/0x700 [ 137.944140][ T8989] ? veth_open+0x130/0x130 [ 137.948734][ T8989] ? ___sys_sendmsg+0xd3/0x150 [ 137.953802][ T8989] ? __sys_sendmsg+0xb2/0x140 [ 137.958743][ T8989] ? do_syscall_64+0x2d/0x70 [ 137.963515][ T8989] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 137.970663][ T8989] ? lock_is_held_type+0xfa/0x130 [ 137.976144][ T8989] ? find_held_lock+0x2d/0x110 [ 137.981080][ T8989] ? check_preemption_disabled+0x36/0xd0 [ 137.987240][ T8989] ? lock_release+0x424/0x7e0 [ 137.992898][ T8989] ? fs_reclaim_release+0x9c/0xe0 [ 137.998342][ T8989] ? mark_held_locks+0x9f/0xe0 [ 138.003216][ T8989] ? lock_is_held_type+0xfa/0x130 [ 138.009306][ T8989] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 138.015278][ T8989] ? kmem_cache_alloc_node_trace+0x45e/0x540 [ 138.022414][ T8989] ? memset+0x20/0x40 [ 138.026969][ T8989] ? memcpy+0x39/0x60 [ 138.033464][ T8989] ? alloc_netdev_mqs+0x900/0xda0 [ 138.041299][ T8989] ? security_capable+0x4c/0x90 [ 138.047199][ T8989] ? rtnl_create_link+0x15a/0xb40 [ 138.052814][ T8989] __rtnl_newlink+0xcbf/0x1350 [ 138.058636][ T8989] ? check_preemption_disabled+0x36/0xd0 [ 138.064601][ T8989] ? rtnl_setlink+0x320/0x320 [ 138.070006][ T8989] ? lock_release+0x424/0x7e0 [ 138.074903][ T8989] ? is_bpf_text_address+0x5f/0xe0 [ 138.080567][ T8989] ? is_bpf_text_address+0x77/0xe0 [ 138.086194][ T8989] ? kernel_text_address+0xbd/0xf0 [ 138.091624][ T8989] ? __kernel_text_address+0x9/0x30 [ 138.099381][ T8989] ? unwind_get_return_address+0x51/0x90 [ 138.105861][ T8989] ? create_prof_cpu_mask+0x20/0x20 [ 138.112117][ T8989] ? arch_stack_walk+0x93/0xe0 [ 138.118328][ T8989] ? stack_trace_save+0x8c/0xc0 [ 138.124045][ T8989] ? stack_trace_consume_entry+0x160/0x160 [ 138.130521][ T8989] ? fs_reclaim_release+0x9c/0xe0 [ 138.136853][ T8989] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 138.143329][ T8989] ? trace_kmalloc+0xbe/0xf0 [ 138.148672][ T8989] ? kmem_cache_alloc_trace+0x21c/0x400 [ 138.154486][ T8989] rtnl_newlink+0x5a/0x90 [ 138.159338][ T8989] rtnetlink_rcv_msg+0x32f/0x860 [ 138.165309][ T8989] ? rtnetlink_put_metrics+0x420/0x420 [ 138.171623][ T8989] ? check_preemption_disabled+0x36/0xd0 [ 138.177934][ T8989] ? netdev_core_pick_tx+0x290/0x290 [ 138.184602][ T8989] ? lock_acquire+0x130/0x850 [ 138.190013][ T8989] netlink_rcv_skb+0x118/0x370 [ 138.195541][ T8989] ? rtnetlink_put_metrics+0x420/0x420 [ 138.201498][ T8989] ? netlink_ack+0x9f0/0x9f0 [ 138.206783][ T8989] ? netlink_deliver_tap+0x15d/0x990 [ 138.212790][ T8989] netlink_unicast+0x42e/0x700 [ 138.218400][ T8989] ? netlink_attachskb+0x730/0x730 [ 138.224284][ T8989] ? _copy_from_iter_full+0x177/0x690 [ 138.229843][ T8989] netlink_sendmsg+0x70e/0xbe0 [ 138.235296][ T8989] ? netlink_unicast+0x700/0x700 [ 138.240718][ T8989] ? iovec_from_user+0x143/0x290 [ 138.246408][ T8989] ? netlink_unicast+0x700/0x700 [ 138.252277][ T8989] sock_sendmsg+0xab/0xe0 [ 138.256692][ T8989] ____sys_sendmsg+0x5bf/0x7a0 [ 138.262043][ T8989] ? kernel_sendmsg+0x30/0x30 [ 138.268032][ T8989] ? do_recvmmsg+0x550/0x550 [ 138.273010][ T8989] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 138.279075][ T8989] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 138.285413][ T8989] ___sys_sendmsg+0xd3/0x150 [ 138.290162][ T8989] ? sendmsg_copy_msghdr+0x110/0x110 [ 138.295809][ T8989] ? find_held_lock+0x2d/0x110 [ 138.300572][ T8989] ? check_preemption_disabled+0x36/0xd0 [ 138.306556][ T8989] ? lock_release+0x424/0x7e0 [ 138.311509][ T8989] ? __fget_files+0x193/0x2b0 [ 138.316181][ T8989] ? lock_downgrade+0x7b0/0x7b0 [ 138.321418][ T8989] ? lock_downgrade+0x7b0/0x7b0 [ 138.326257][ T8989] ? check_preemption_disabled+0x36/0xd0 [ 138.332246][ T8989] ? lock_is_held_type+0xfa/0x130 [ 138.338790][ T8989] ? __fget_files+0x1ab/0x2b0 [ 138.343646][ T8989] ? __fget_light+0xbe/0x220 [ 138.348715][ T8989] __sys_sendmsg+0xb2/0x140 [ 138.353400][ T8989] ? __sys_sendmsg_sock+0x10/0x10 [ 138.359032][ T8989] ? check_preemption_disabled+0x36/0xd0 [ 138.365153][ T8989] ? syscall_enter_from_user_mode+0x1d/0x60 [ 138.371496][ T8989] ? lockdep_hardirqs_on+0x54/0x100 [ 138.377226][ T8989] do_syscall_64+0x2d/0x70 [ 138.381825][ T8989] entry_SYSCALL_64_after_hwframe+0x44/0xae 2021/03/13 03:37:41 executed programs: 145 [ 138.387917][ T8989] RIP: 0033:0x464d29 [ 138.392679][ T8989] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 138.413657][ T8989] RSP: 002b:00007fc4792e7188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 138.423329][ T8989] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 138.432081][ T8989] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 138.441937][ T8989] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 138.450977][ T8989] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cf00 [ 138.460846][ T8989] R13: 00007ffffc19c08f R14: 00007fc4792e7300 R15: 0000000000022000 [ 138.483960][ T8989] kobject_add_internal failed for veth4 with -EEXIST, don't try to register things with the same name in the same directory. [ 138.842420][ T8995] __nla_validate_parse: 1 callbacks suppressed [ 138.842427][ T8995] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 138.860097][ T8995] sysfs: cannot create duplicate filename '/devices/virtual/net/veth5' [ 138.868765][ T8995] CPU: 0 PID: 8995 Comm: syz-executor.4 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 138.879090][ T8995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.890004][ T8995] Call Trace: [ 138.894231][ T8995] dump_stack+0x10c/0x14b [ 138.899677][ T8995] sysfs_warn_dup.cold+0x17/0x24 [ 138.904681][ T8995] sysfs_create_dir_ns+0x1e9/0x260 [ 138.910028][ T8995] ? sysfs_create_mount_point+0x80/0x80 [ 138.915825][ T8995] ? rwlock_bug.part.0+0x90/0x90 [ 138.921034][ T8995] kobject_add_internal+0x276/0x830 [ 138.926493][ T8995] kobject_add+0x120/0x190 [ 138.931085][ T8995] ? kset_create_and_add+0x170/0x170 [ 138.937152][ T8995] ? wait_for_completion_io+0x270/0x270 [ 138.943239][ T8995] ? lockdep_init_map_type+0x2c3/0x870 [ 138.949496][ T8995] device_add+0x2cd/0x1a50 [ 138.954525][ T8995] ? dev_set_name+0xa6/0xd0 [ 138.959119][ T8995] ? device_initialize+0x4e0/0x4e0 [ 138.964253][ T8995] ? lockdep_init_map_type+0x2c3/0x870 [ 138.970541][ T8995] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 138.977649][ T8995] ? __init_waitqueue_head+0x6b/0xd0 [ 138.983384][ T8995] netdev_register_kobject+0x162/0x350 [ 138.989402][ T8995] register_netdevice+0xa77/0x1190 [ 138.994679][ T8995] ? netdev_change_features+0xa0/0xa0 [ 139.000916][ T8995] ? rtnl_create_link+0x15a/0xb40 [ 139.006785][ T8995] veth_newlink+0x374/0x890 [ 139.011273][ T8995] ? netlink_unicast+0x351/0x700 [ 139.016459][ T8995] ? veth_open+0x130/0x130 [ 139.020847][ T8995] ? ___sys_sendmsg+0xd3/0x150 [ 139.025724][ T8995] ? __sys_sendmsg+0xb2/0x140 [ 139.033452][ T8995] ? do_syscall_64+0x2d/0x70 [ 139.039492][ T8995] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.050613][ T8995] ? lock_is_held_type+0xfa/0x130 [ 139.057646][ T8995] ? find_held_lock+0x2d/0x110 [ 139.064352][ T8995] ? check_preemption_disabled+0x36/0xd0 [ 139.071049][ T8995] ? lock_release+0x424/0x7e0 [ 139.076087][ T8995] ? fs_reclaim_release+0x9c/0xe0 [ 139.083118][ T8995] ? mark_held_locks+0x9f/0xe0 [ 139.089321][ T8995] ? lock_is_held_type+0xfa/0x130 [ 139.096624][ T8995] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 139.104514][ T8995] ? kmem_cache_alloc_node_trace+0x45e/0x540 [ 139.111460][ T8995] ? memset+0x20/0x40 [ 139.116630][ T8995] ? memcpy+0x39/0x60 [ 139.121554][ T8995] ? alloc_netdev_mqs+0x900/0xda0 [ 139.128093][ T8995] ? security_capable+0x4c/0x90 [ 139.133588][ T8995] ? rtnl_create_link+0x15a/0xb40 [ 139.139934][ T8995] __rtnl_newlink+0xcbf/0x1350 [ 139.144864][ T8995] ? check_preemption_disabled+0x36/0xd0 [ 139.151100][ T8995] ? rtnl_setlink+0x320/0x320 [ 139.156078][ T8995] ? lock_release+0x424/0x7e0 [ 139.161680][ T8995] ? is_bpf_text_address+0x5f/0xe0 [ 139.167488][ T8995] ? is_bpf_text_address+0x77/0xe0 [ 139.173650][ T8995] ? kernel_text_address+0xbd/0xf0 [ 139.180481][ T8995] ? __kernel_text_address+0x9/0x30 [ 139.186709][ T8995] ? unwind_get_return_address+0x51/0x90 [ 139.194332][ T8995] ? create_prof_cpu_mask+0x20/0x20 [ 139.200069][ T8995] ? arch_stack_walk+0x93/0xe0 [ 139.205725][ T8995] ? stack_trace_save+0x8c/0xc0 [ 139.211483][ T8995] ? stack_trace_consume_entry+0x160/0x160 [ 139.218143][ T8995] ? fs_reclaim_release+0x9c/0xe0 [ 139.223939][ T8995] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 139.230711][ T8995] ? trace_kmalloc+0xbe/0xf0 [ 139.235798][ T8995] ? kmem_cache_alloc_trace+0x21c/0x400 [ 139.241979][ T8995] rtnl_newlink+0x5a/0x90 [ 139.247609][ T8995] rtnetlink_rcv_msg+0x32f/0x860 [ 139.256245][ T8995] ? rtnetlink_put_metrics+0x420/0x420 [ 139.263006][ T8995] ? check_preemption_disabled+0x36/0xd0 [ 139.271015][ T8995] ? netdev_core_pick_tx+0x290/0x290 [ 139.278171][ T8995] ? lock_acquire+0x130/0x850 [ 139.285039][ T8995] netlink_rcv_skb+0x118/0x370 [ 139.291788][ T8995] ? rtnetlink_put_metrics+0x420/0x420 [ 139.298891][ T8995] ? netlink_ack+0x9f0/0x9f0 [ 139.304392][ T8995] ? netlink_deliver_tap+0x15d/0x990 [ 139.311251][ T8995] netlink_unicast+0x42e/0x700 [ 139.317160][ T8995] ? netlink_attachskb+0x730/0x730 [ 139.326190][ T8995] ? _copy_from_iter_full+0x177/0x690 [ 139.332615][ T8995] netlink_sendmsg+0x70e/0xbe0 [ 139.339697][ T8995] ? netlink_unicast+0x700/0x700 [ 139.345593][ T8995] ? iovec_from_user+0x143/0x290 [ 139.351761][ T8995] ? netlink_unicast+0x700/0x700 [ 139.357659][ T8995] sock_sendmsg+0xab/0xe0 [ 139.362532][ T8995] ____sys_sendmsg+0x5bf/0x7a0 [ 139.367386][ T8995] ? kernel_sendmsg+0x30/0x30 [ 139.372310][ T8995] ? do_recvmmsg+0x550/0x550 [ 139.377332][ T8995] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 139.384168][ T8995] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 139.390578][ T8995] ___sys_sendmsg+0xd3/0x150 [ 139.395415][ T8995] ? sendmsg_copy_msghdr+0x110/0x110 [ 139.401305][ T8995] ? find_held_lock+0x2d/0x110 [ 139.406405][ T8995] ? check_preemption_disabled+0x36/0xd0 [ 139.412462][ T8995] ? lock_release+0x424/0x7e0 [ 139.417653][ T8995] ? __fget_files+0x193/0x2b0 [ 139.422918][ T8995] ? lock_downgrade+0x7b0/0x7b0 [ 139.427918][ T8995] ? lock_downgrade+0x7b0/0x7b0 [ 139.433070][ T8995] ? check_preemption_disabled+0x36/0xd0 [ 139.439053][ T8995] ? lock_is_held_type+0xfa/0x130 [ 139.444238][ T8995] ? __fget_files+0x1ab/0x2b0 [ 139.450070][ T8995] ? __fget_light+0xbe/0x220 [ 139.455167][ T8995] __sys_sendmsg+0xb2/0x140 [ 139.460304][ T8995] ? __sys_sendmsg_sock+0x10/0x10 [ 139.465948][ T8995] ? check_preemption_disabled+0x36/0xd0 [ 139.472181][ T8995] ? syscall_enter_from_user_mode+0x1d/0x60 [ 139.478296][ T8995] ? lockdep_hardirqs_on+0x54/0x100 [ 139.483563][ T8995] do_syscall_64+0x2d/0x70 [ 139.488058][ T8995] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 139.494015][ T8995] RIP: 0033:0x464d29 [ 139.498153][ T8995] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 139.518349][ T8995] RSP: 002b:00007f03bed57188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 139.527362][ T8995] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 139.536356][ T8995] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 139.545270][ T8995] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 139.553479][ T8995] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cf00 [ 139.562671][ T8995] R13: 00007ffc737f8a4f R14: 00007f03bed57300 R15: 0000000000022000 [ 139.575830][ T8995] kobject_add_internal failed for veth5 with -EEXIST, don't try to register things with the same name in the same directory. [ 139.643929][ T8998] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 139.740466][ T9008] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 139.797677][ T9008] FAULT_INJECTION: forcing a failure. [ 139.797677][ T9008] name failslab, interval 1, probability 0, space 0, times 0 [ 139.811818][ T9008] CPU: 1 PID: 9008 Comm: syz-executor.5 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 139.822537][ T9008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.833112][ T9008] Call Trace: [ 139.837516][ T9008] dump_stack+0x10c/0x14b [ 139.842197][ T9008] should_fail.cold+0x5/0xa [ 139.847376][ T9008] should_failslab+0x5/0x10 [ 139.852159][ T9008] kmem_cache_alloc_node+0x61/0x520 [ 139.858148][ T9008] __alloc_skb+0x153/0x280 [ 139.863455][ T9008] alloc_uevent_skb+0x76/0x200 [ 139.869004][ T9008] kobject_uevent_env+0xc49/0xf50 [ 139.875028][ T9008] ? check_preemption_disabled+0x36/0xd0 [ 139.881553][ T9008] ? __local_bh_enable_ip+0x11f/0x220 [ 139.888192][ T9008] ? dev_change_net_namespace+0x4d7/0x1000 [ 139.894550][ T9008] ? lockdep_hardirqs_on+0x54/0x100 [ 139.900162][ T9008] dev_change_net_namespace+0x9c3/0x1000 [ 139.906154][ T9008] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 139.911900][ T9008] ? security_capable+0x4c/0x90 [ 139.917365][ T9008] ? ns_capable+0x53/0xc0 [ 139.923120][ T9008] do_setlink+0x16b/0x2f10 [ 139.927870][ T9008] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 139.935786][ T9008] ? unwind_get_return_address+0x51/0x90 [ 139.943268][ T9008] ? rtnl_getlink+0x930/0x930 [ 139.948915][ T9008] ? mark_lock+0xf0/0x15f0 [ 139.955291][ T9008] ? __lock_acquire+0xbc5/0x5050 [ 139.961808][ T9008] ? lock_chain_count+0x20/0x20 [ 139.967950][ T9008] ? memset+0x20/0x40 [ 139.973142][ T9008] ? __nla_validate_parse+0xb2/0x1fd0 [ 139.979503][ T9008] ? nla_get_range_signed+0x540/0x540 [ 139.986330][ T9008] __rtnl_newlink+0xab2/0x1350 [ 139.992943][ T9008] ? check_preemption_disabled+0x36/0xd0 [ 140.003484][ T9008] ? rtnl_setlink+0x320/0x320 [ 140.011019][ T9008] ? lock_release+0x424/0x7e0 [ 140.019084][ T9008] ? is_bpf_text_address+0x5f/0xe0 [ 140.027731][ T9008] ? is_bpf_text_address+0x77/0xe0 [ 140.039275][ T9008] ? kernel_text_address+0xbd/0xf0 [ 140.046308][ T9008] ? __kernel_text_address+0x9/0x30 [ 140.053398][ T9008] ? unwind_get_return_address+0x51/0x90 [ 140.060052][ T9008] ? create_prof_cpu_mask+0x20/0x20 [ 140.065586][ T9008] ? arch_stack_walk+0x93/0xe0 [ 140.070923][ T9008] ? stack_trace_save+0x8c/0xc0 [ 140.076633][ T9008] ? stack_trace_consume_entry+0x160/0x160 [ 140.083165][ T9008] ? fs_reclaim_release+0x9c/0xe0 [ 140.090709][ T9008] ? lock_is_held_type+0xfa/0x130 [ 140.096081][ T9008] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 140.102617][ T9008] ? trace_kmalloc+0xbe/0xf0 [ 140.108365][ T9008] ? kmem_cache_alloc_trace+0x21c/0x400 [ 140.114975][ T9008] rtnl_newlink+0x5a/0x90 [ 140.120871][ T9008] rtnetlink_rcv_msg+0x32f/0x860 [ 140.126469][ T9008] ? rtnetlink_put_metrics+0x420/0x420 [ 140.132547][ T9008] ? check_preemption_disabled+0x36/0xd0 [ 140.138670][ T9008] ? netdev_core_pick_tx+0x290/0x290 [ 140.145670][ T9008] ? lock_acquire+0x130/0x850 [ 140.150539][ T9008] netlink_rcv_skb+0x118/0x370 [ 140.156685][ T9008] ? rtnetlink_put_metrics+0x420/0x420 [ 140.162840][ T9008] ? netlink_ack+0x9f0/0x9f0 [ 140.167750][ T9008] ? netlink_deliver_tap+0x15d/0x990 [ 140.173583][ T9008] netlink_unicast+0x42e/0x700 [ 140.178920][ T9008] ? netlink_attachskb+0x730/0x730 [ 140.184205][ T9008] ? _copy_from_iter_full+0x177/0x690 [ 140.190295][ T9008] netlink_sendmsg+0x70e/0xbe0 [ 140.195913][ T9008] ? netlink_unicast+0x700/0x700 [ 140.201593][ T9008] ? iovec_from_user+0x143/0x290 [ 140.206940][ T9008] ? netlink_unicast+0x700/0x700 [ 140.212918][ T9008] sock_sendmsg+0xab/0xe0 [ 140.217542][ T9008] ____sys_sendmsg+0x5bf/0x7a0 [ 140.222619][ T9008] ? kernel_sendmsg+0x30/0x30 [ 140.227937][ T9008] ? do_recvmmsg+0x550/0x550 [ 140.232791][ T9008] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 140.239320][ T9008] ? __might_fault+0xb5/0x160 [ 140.244703][ T9008] ___sys_sendmsg+0xd3/0x150 [ 140.249372][ T9008] ? sendmsg_copy_msghdr+0x110/0x110 [ 140.254745][ T9008] ? find_held_lock+0x2d/0x110 [ 140.260565][ T9008] ? check_preemption_disabled+0x36/0xd0 [ 140.266728][ T9008] ? lock_release+0x424/0x7e0 [ 140.272388][ T9008] ? __fget_files+0x193/0x2b0 [ 140.278926][ T9008] ? lock_downgrade+0x7b0/0x7b0 [ 140.285382][ T9008] ? find_held_lock+0x2d/0x110 [ 140.290545][ T9008] ? check_preemption_disabled+0x36/0xd0 [ 140.297110][ T9008] ? lock_is_held_type+0xfa/0x130 [ 140.302241][ T9008] ? __fget_files+0x1ab/0x2b0 [ 140.307098][ T9008] ? __fget_light+0xbe/0x220 [ 140.311952][ T9008] __sys_sendmsg+0xb2/0x140 [ 140.316623][ T9008] ? __sys_sendmsg_sock+0x10/0x10 [ 140.321759][ T9008] ? check_preemption_disabled+0x36/0xd0 [ 140.327651][ T9008] ? syscall_enter_from_user_mode+0x1d/0x60 [ 140.333764][ T9008] ? lockdep_hardirqs_on+0x54/0x100 [ 140.339919][ T9008] do_syscall_64+0x2d/0x70 [ 140.345599][ T9008] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 140.352802][ T9008] RIP: 0033:0x464d29 [ 140.357239][ T9008] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 140.378158][ T9008] RSP: 002b:00007feba3c8a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 140.386847][ T9008] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 140.395485][ T9008] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 140.404759][ T9008] RBP: 00007feba3c8a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 140.413185][ T9008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 140.422069][ T9008] R13: 00007ffdf4fb4ecf R14: 00007feba3c8a300 R15: 0000000000022000 [ 140.571528][ T9032] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 140.894078][ T9041] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 140.982264][ T9049] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 140.992996][ T9049] sysfs: cannot create duplicate filename '/devices/virtual/net/veth4' [ 141.002726][ T9049] CPU: 1 PID: 9049 Comm: syz-executor.1 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 141.013706][ T9049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.024845][ T9049] Call Trace: [ 141.029136][ T9049] dump_stack+0x10c/0x14b [ 141.036474][ T9049] sysfs_warn_dup.cold+0x17/0x24 [ 141.044832][ T9049] sysfs_create_dir_ns+0x1e9/0x260 [ 141.051875][ T9049] ? sysfs_create_mount_point+0x80/0x80 [ 141.059439][ T9049] ? rwlock_bug.part.0+0x90/0x90 [ 141.065087][ T9049] kobject_add_internal+0x276/0x830 [ 141.070859][ T9049] kobject_add+0x120/0x190 [ 141.075836][ T9049] ? kset_create_and_add+0x170/0x170 [ 141.081494][ T9049] ? wait_for_completion_io+0x270/0x270 [ 141.087747][ T9049] ? lockdep_init_map_type+0x2c3/0x870 [ 141.094343][ T9049] device_add+0x2cd/0x1a50 [ 141.100192][ T9049] ? dev_set_name+0xa6/0xd0 [ 141.106510][ T9049] ? device_initialize+0x4e0/0x4e0 [ 141.112539][ T9049] ? lockdep_init_map_type+0x2c3/0x870 [ 141.121935][ T9049] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 141.129277][ T9049] ? __init_waitqueue_head+0x6b/0xd0 [ 141.136364][ T9049] netdev_register_kobject+0x162/0x350 [ 141.142566][ T9049] register_netdevice+0xa77/0x1190 [ 141.148979][ T9049] ? netdev_change_features+0xa0/0xa0 [ 141.155182][ T9049] ? rtnl_create_link+0x15a/0xb40 [ 141.160980][ T9049] veth_newlink+0x374/0x890 [ 141.166337][ T9049] ? netlink_unicast+0x351/0x700 [ 141.172809][ T9049] ? veth_open+0x130/0x130 [ 141.178535][ T9049] ? ___sys_sendmsg+0xd3/0x150 [ 141.185266][ T9049] ? __sys_sendmsg+0xb2/0x140 [ 141.192486][ T9049] ? do_syscall_64+0x2d/0x70 [ 141.198125][ T9049] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.204996][ T9049] ? lock_is_held_type+0xfa/0x130 [ 141.211040][ T9049] ? find_held_lock+0x2d/0x110 [ 141.217683][ T9049] ? check_preemption_disabled+0x36/0xd0 [ 141.225382][ T9049] ? lock_release+0x424/0x7e0 [ 141.231099][ T9049] ? fs_reclaim_release+0x9c/0xe0 [ 141.238299][ T9049] ? mark_held_locks+0x9f/0xe0 [ 141.244279][ T9049] ? lock_is_held_type+0xfa/0x130 [ 141.249873][ T9049] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 141.257137][ T9049] ? kmem_cache_alloc_node_trace+0x45e/0x540 [ 141.264641][ T9049] ? memset+0x20/0x40 [ 141.269439][ T9049] ? memcpy+0x39/0x60 [ 141.274259][ T9049] ? alloc_netdev_mqs+0x900/0xda0 [ 141.279704][ T9049] ? security_capable+0x4c/0x90 [ 141.285180][ T9049] ? rtnl_create_link+0x15a/0xb40 [ 141.290881][ T9049] __rtnl_newlink+0xcbf/0x1350 [ 141.296127][ T9049] ? check_preemption_disabled+0x36/0xd0 [ 141.303014][ T9049] ? rtnl_setlink+0x320/0x320 [ 141.308052][ T9049] ? lock_release+0x424/0x7e0 [ 141.313028][ T9049] ? is_bpf_text_address+0x5f/0xe0 [ 141.318901][ T9049] ? is_bpf_text_address+0x77/0xe0 [ 141.324718][ T9049] ? kernel_text_address+0xbd/0xf0 [ 141.330812][ T9049] ? __kernel_text_address+0x9/0x30 [ 141.336570][ T9049] ? unwind_get_return_address+0x51/0x90 [ 141.342938][ T9049] ? create_prof_cpu_mask+0x20/0x20 [ 141.348367][ T9049] ? arch_stack_walk+0x93/0xe0 [ 141.353810][ T9049] ? stack_trace_save+0x8c/0xc0 [ 141.359160][ T9049] ? stack_trace_consume_entry+0x160/0x160 [ 141.365893][ T9049] ? fs_reclaim_release+0x9c/0xe0 [ 141.371637][ T9049] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 141.377652][ T9049] ? trace_kmalloc+0xbe/0xf0 [ 141.382646][ T9049] ? kmem_cache_alloc_trace+0x21c/0x400 [ 141.388598][ T9049] rtnl_newlink+0x5a/0x90 [ 141.393487][ T9049] rtnetlink_rcv_msg+0x32f/0x860 [ 141.399671][ T9049] ? rtnetlink_put_metrics+0x420/0x420 [ 141.406199][ T9049] ? check_preemption_disabled+0x36/0xd0 [ 141.412165][ T9049] ? netdev_core_pick_tx+0x290/0x290 [ 141.418167][ T9049] ? lock_acquire+0x130/0x850 [ 141.423361][ T9049] netlink_rcv_skb+0x118/0x370 [ 141.429488][ T9049] ? rtnetlink_put_metrics+0x420/0x420 [ 141.436158][ T9049] ? netlink_ack+0x9f0/0x9f0 [ 141.441153][ T9049] ? netlink_deliver_tap+0x15d/0x990 [ 141.447258][ T9049] netlink_unicast+0x42e/0x700 [ 141.452235][ T9049] ? netlink_attachskb+0x730/0x730 [ 141.458801][ T9049] ? _copy_from_iter_full+0x177/0x690 [ 141.464193][ T9049] netlink_sendmsg+0x70e/0xbe0 [ 141.470220][ T9049] ? netlink_unicast+0x700/0x700 [ 141.475152][ T9049] ? iovec_from_user+0x143/0x290 [ 141.480698][ T9049] ? netlink_unicast+0x700/0x700 [ 141.485878][ T9049] sock_sendmsg+0xab/0xe0 [ 141.490298][ T9049] ____sys_sendmsg+0x5bf/0x7a0 [ 141.495253][ T9049] ? kernel_sendmsg+0x30/0x30 [ 141.500022][ T9049] ? do_recvmmsg+0x550/0x550 [ 141.504659][ T9049] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 141.511040][ T9049] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 141.517296][ T9049] ___sys_sendmsg+0xd3/0x150 [ 141.522339][ T9049] ? sendmsg_copy_msghdr+0x110/0x110 [ 141.528449][ T9049] ? find_held_lock+0x2d/0x110 [ 141.533433][ T9049] ? check_preemption_disabled+0x36/0xd0 [ 141.539614][ T9049] ? lock_release+0x424/0x7e0 [ 141.544770][ T9049] ? __fget_files+0x193/0x2b0 [ 141.550351][ T9049] ? lock_downgrade+0x7b0/0x7b0 [ 141.555519][ T9049] ? lock_downgrade+0x7b0/0x7b0 [ 141.561072][ T9049] ? check_preemption_disabled+0x36/0xd0 [ 141.568053][ T9049] ? lock_is_held_type+0xfa/0x130 [ 141.574432][ T9049] ? __fget_files+0x1ab/0x2b0 [ 141.579824][ T9049] ? __fget_light+0xbe/0x220 [ 141.584500][ T9049] __sys_sendmsg+0xb2/0x140 [ 141.589142][ T9049] ? __sys_sendmsg_sock+0x10/0x10 [ 141.594766][ T9049] ? check_preemption_disabled+0x36/0xd0 [ 141.601150][ T9049] ? syscall_enter_from_user_mode+0x1d/0x60 [ 141.607716][ T9049] ? lockdep_hardirqs_on+0x54/0x100 [ 141.613104][ T9049] do_syscall_64+0x2d/0x70 [ 141.617791][ T9049] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 141.624898][ T9049] RIP: 0033:0x464d29 [ 141.629385][ T9049] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 141.652176][ T9049] RSP: 002b:00007fc4792e7188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 141.661782][ T9049] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 141.670457][ T9049] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 141.679501][ T9049] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 141.688932][ T9049] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cf00 [ 141.697801][ T9049] R13: 00007ffffc19c08f R14: 00007fc4792e7300 R15: 0000000000022000 [ 141.760341][ T9049] kobject_add_internal failed for veth4 with -EEXIST, don't try to register things with the same name in the same directory. [ 141.779384][ T9052] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 141.805899][ T9056] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 141.819522][ T9056] sysfs: cannot create duplicate filename '/devices/virtual/net/veth5' [ 141.830817][ T9056] CPU: 0 PID: 9056 Comm: syz-executor.4 Tainted: G W 5.12.0-rc2-syzkaller #0 [ 141.841387][ T9056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.852436][ T9056] Call Trace: [ 141.855716][ T9056] dump_stack+0x10c/0x14b [ 141.862307][ T9056] sysfs_warn_dup.cold+0x17/0x24 [ 141.867313][ T9056] sysfs_create_dir_ns+0x1e9/0x260 [ 141.872949][ T9056] ? sysfs_create_mount_point+0x80/0x80 [ 141.879094][ T9056] ? rwlock_bug.part.0+0x90/0x90 [ 141.884053][ T9056] kobject_add_internal+0x276/0x830 [ 141.889554][ T9056] kobject_add+0x120/0x190 [ 141.894916][ T9056] ? kset_create_and_add+0x170/0x170 [ 141.900732][ T9056] ? wait_for_completion_io+0x270/0x270 [ 141.906914][ T9056] ? lockdep_init_map_type+0x2c3/0x870 [ 141.912771][ T9056] device_add+0x2cd/0x1a50 [ 141.917580][ T9056] ? dev_set_name+0xa6/0xd0 [ 141.922301][ T9056] ? device_initialize+0x4e0/0x4e0 [ 141.927478][ T9056] ? lockdep_init_map_type+0x2c3/0x870 [ 141.933525][ T9056] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 141.940468][ T9056] ? __init_waitqueue_head+0x6b/0xd0 [ 141.946538][ T9056] netdev_register_kobject+0x162/0x350 [ 141.952096][ T9056] register_netdevice+0xa77/0x1190 [ 141.958008][ T9056] ? netdev_change_features+0xa0/0xa0 [ 141.963897][ T9056] ? rtnl_create_link+0x15a/0xb40 [ 141.969365][ T9056] veth_newlink+0x374/0x890 [ 141.974198][ T9056] ? netlink_unicast+0x351/0x700 [ 141.979291][ T9056] ? veth_open+0x130/0x130 [ 141.984529][ T9056] ? ___sys_sendmsg+0xd3/0x150 [ 141.991136][ T9056] ? __sys_sendmsg+0xb2/0x140 [ 141.996543][ T9056] ? do_syscall_64+0x2d/0x70 [ 142.002281][ T9056] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.009318][ T9056] ? lock_is_held_type+0xfa/0x130 [ 142.014795][ T9056] ? find_held_lock+0x2d/0x110 [ 142.019992][ T9056] ? check_preemption_disabled+0x36/0xd0 [ 142.025901][ T9056] ? lock_release+0x424/0x7e0 [ 142.033291][ T9056] ? fs_reclaim_release+0x9c/0xe0 [ 142.038828][ T9056] ? mark_held_locks+0x9f/0xe0 [ 142.044137][ T9056] ? lock_is_held_type+0xfa/0x130 [ 142.049336][ T9056] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 142.055292][ T9056] ? kmem_cache_alloc_node_trace+0x45e/0x540 [ 142.061691][ T9056] ? memset+0x20/0x40 [ 142.066469][ T9056] ? memcpy+0x39/0x60 [ 142.071511][ T9056] ? alloc_netdev_mqs+0x900/0xda0 [ 142.076855][ T9056] ? security_capable+0x4c/0x90 [ 142.082679][ T9056] ? rtnl_create_link+0x15a/0xb40 [ 142.088047][ T9056] __rtnl_newlink+0xcbf/0x1350 [ 142.092985][ T9056] ? check_preemption_disabled+0x36/0xd0 [ 142.101213][ T9056] ? rtnl_setlink+0x320/0x320 [ 142.107507][ T9056] ? lock_release+0x424/0x7e0 [ 142.112818][ T9056] ? is_bpf_text_address+0x5f/0xe0 [ 142.118748][ T9056] ? is_bpf_text_address+0x77/0xe0 [ 142.124313][ T9056] ? kernel_text_address+0xbd/0xf0 [ 142.130028][ T9056] ? __kernel_text_address+0x9/0x30 [ 142.136171][ T9056] ? unwind_get_return_address+0x51/0x90 [ 142.142744][ T9056] ? create_prof_cpu_mask+0x20/0x20 [ 142.148289][ T9056] ? arch_stack_walk+0x93/0xe0 [ 142.153309][ T9056] ? stack_trace_save+0x8c/0xc0 [ 142.158794][ T9056] ? stack_trace_consume_entry+0x160/0x160 [ 142.164811][ T9056] ? fs_reclaim_release+0x9c/0xe0 [ 142.170559][ T9056] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 142.176718][ T9056] ? trace_kmalloc+0xbe/0xf0 [ 142.182010][ T9056] ? kmem_cache_alloc_trace+0x21c/0x400 [ 142.189349][ T9056] rtnl_newlink+0x5a/0x90 [ 142.194177][ T9056] rtnetlink_rcv_msg+0x32f/0x860 [ 142.199324][ T9056] ? rtnetlink_put_metrics+0x420/0x420 [ 142.205685][ T9056] ? check_preemption_disabled+0x36/0xd0 [ 142.212463][ T9056] ? netdev_core_pick_tx+0x290/0x290 [ 142.219096][ T9056] ? lock_acquire+0x130/0x850 [ 142.224804][ T9056] netlink_rcv_skb+0x118/0x370 [ 142.230520][ T9056] ? rtnetlink_put_metrics+0x420/0x420 [ 142.239967][ T9056] ? netlink_ack+0x9f0/0x9f0 [ 142.245573][ T9056] ? netlink_deliver_tap+0x15d/0x990 [ 142.251942][ T9056] netlink_unicast+0x42e/0x700