[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 40.339047][ T29] audit: type=1400 audit(1626103908.215:8): avc: denied { execmem } for pid=6043 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.036687][ T6039] can: request_module (can-proto-0) failed. [ 41.077867][ T6039] can: request_module (can-proto-0) failed. [ 41.091975][ T6039] can: request_module (can-proto-0) failed. [ 41.134538][ T29] audit: type=1400 audit(1626103909.015:9): avc: denied { create } for pid=6033 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 '10.128.0.3' (ECDSA) to the list of known hosts. 2021/07/12 15:31:56 parsed 1 programs 2021/07/12 15:31:56 executed programs: 0 [ 48.588585][ T29] audit: type=1400 audit(1626103916.465:10): avc: denied { execmem } for pid=6136 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.519446][ T6145] chnl_net:caif_netlink_parms(): no params data found [ 50.550821][ T6147] chnl_net:caif_netlink_parms(): no params data found [ 50.596065][ T6138] chnl_net:caif_netlink_parms(): no params data found [ 50.632901][ T6139] chnl_net:caif_netlink_parms(): no params data found [ 50.664744][ T6142] chnl_net:caif_netlink_parms(): no params data found [ 50.678572][ T6146] chnl_net:caif_netlink_parms(): no params data found [ 50.863171][ T6138] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.872763][ T6138] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.881850][ T6138] device bridge_slave_0 entered promiscuous mode [ 50.919110][ T6138] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.926420][ T6138] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.935639][ T6138] device bridge_slave_1 entered promiscuous mode [ 50.957327][ T6139] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.964484][ T6139] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.972977][ T6139] device bridge_slave_0 entered promiscuous mode [ 50.981297][ T6147] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.988501][ T6147] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.997105][ T6147] device bridge_slave_0 entered promiscuous mode [ 51.005515][ T6145] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.013708][ T6145] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.022038][ T6145] device bridge_slave_0 entered promiscuous mode [ 51.036067][ T6146] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.043327][ T6146] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.052588][ T6146] device bridge_slave_0 entered promiscuous mode [ 51.066855][ T6139] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.074570][ T6139] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.083811][ T6139] device bridge_slave_1 entered promiscuous mode [ 51.093261][ T6147] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.101189][ T6147] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.108907][ T6147] device bridge_slave_1 entered promiscuous mode [ 51.116364][ T6145] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.124201][ T6145] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.132313][ T6145] device bridge_slave_1 entered promiscuous mode [ 51.145325][ T6146] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.152578][ T6146] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.161158][ T6146] device bridge_slave_1 entered promiscuous mode [ 51.171203][ T6138] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.190536][ T6138] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.215737][ T6142] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.223254][ T6142] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.233617][ T6142] device bridge_slave_0 entered promiscuous mode [ 51.246128][ T6142] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.253893][ T6142] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.261879][ T6142] device bridge_slave_1 entered promiscuous mode [ 51.304965][ T6145] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.320952][ T6139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.332139][ T6147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.344210][ T6146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.366608][ T6145] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.385038][ T6139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.395821][ T6147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.408531][ T6138] team0: Port device team_slave_0 added [ 51.416123][ T6146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.433529][ T6142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 51.455318][ T6138] team0: Port device team_slave_1 added [ 51.472875][ T6142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 51.521693][ T6145] team0: Port device team_slave_0 added [ 51.532945][ T6145] team0: Port device team_slave_1 added [ 51.540742][ T6147] team0: Port device team_slave_0 added [ 51.548679][ T6139] team0: Port device team_slave_0 added [ 51.557941][ T6138] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.565813][ T6138] 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. [ 51.594182][ T6138] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.608805][ T6146] team0: Port device team_slave_0 added [ 51.633001][ T6142] team0: Port device team_slave_0 added [ 51.640465][ T6147] team0: Port device team_slave_1 added [ 51.647092][ T6139] team0: Port device team_slave_1 added [ 51.658497][ T6138] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.665662][ T6138] 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. [ 51.699344][ T6138] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.720217][ T6146] team0: Port device team_slave_1 added [ 51.732609][ T6145] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.739809][ T6145] 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. [ 51.767986][ T6145] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.782988][ T6142] team0: Port device team_slave_1 added [ 51.805953][ T6145] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.816580][ T6145] 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. [ 51.830599][ T19] Bluetooth: hci2: command 0x0409 tx timeout [ 51.845815][ T6145] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.873323][ T6146] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 51.880626][ T6146] 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. [ 51.907502][ T6146] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.910473][ T19] Bluetooth: hci5: command 0x0409 tx timeout [ 51.919798][ T2640] Bluetooth: hci4: command 0x0409 tx timeout [ 51.930647][ T19] Bluetooth: hci1: command 0x0409 tx timeout [ 51.933132][ T2640] Bluetooth: hci3: command 0x0409 tx timeout [ 51.943981][ T2640] Bluetooth: hci0: command 0x0409 tx timeout [ 51.981424][ T6138] device hsr_slave_0 entered promiscuous mode [ 52.019855][ T6138] device hsr_slave_1 entered promiscuous mode [ 52.060406][ T6139] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.067368][ T6139] 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. [ 52.095279][ T6139] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.111101][ T6139] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.118047][ T6139] 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. [ 52.144840][ T6139] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.175953][ T6146] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.183648][ T6146] 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. [ 52.210864][ T6146] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.231514][ T6147] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.238561][ T6147] 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. [ 52.264615][ T6147] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.283334][ T6142] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.290839][ T6142] 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. [ 52.319690][ T6142] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.381255][ T6145] device hsr_slave_0 entered promiscuous mode [ 52.419919][ T6145] device hsr_slave_1 entered promiscuous mode [ 52.469661][ T6145] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.477628][ T6145] Cannot create hsr debugfs directory [ 52.495128][ T6147] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.502487][ T6147] 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. [ 52.529345][ T6147] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.541778][ T6142] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.548974][ T6142] 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. [ 52.576043][ T6142] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.662069][ T6139] device hsr_slave_0 entered promiscuous mode [ 52.679666][ T6139] device hsr_slave_1 entered promiscuous mode [ 52.719796][ T6139] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.727546][ T6139] Cannot create hsr debugfs directory [ 52.792728][ T6147] device hsr_slave_0 entered promiscuous mode [ 52.849987][ T6147] device hsr_slave_1 entered promiscuous mode [ 52.899558][ T6147] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 52.907369][ T6147] Cannot create hsr debugfs directory [ 52.971369][ T6146] device hsr_slave_0 entered promiscuous mode [ 53.019806][ T6146] device hsr_slave_1 entered promiscuous mode [ 53.069658][ T6146] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.077882][ T6146] Cannot create hsr debugfs directory [ 53.153283][ T6142] device hsr_slave_0 entered promiscuous mode [ 53.220559][ T6142] device hsr_slave_1 entered promiscuous mode [ 53.259519][ T6142] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.267082][ T6142] Cannot create hsr debugfs directory [ 53.596692][ T6138] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 53.656631][ T6138] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 53.712409][ T6138] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 53.772036][ T6138] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 53.878558][ T6145] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 53.909608][ T19] Bluetooth: hci2: command 0x041b tx timeout [ 53.933132][ T6145] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 53.989688][ T3324] Bluetooth: hci0: command 0x041b tx timeout [ 53.995893][ T3324] Bluetooth: hci3: command 0x041b tx timeout [ 54.005048][ T6145] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.005944][ T3324] Bluetooth: hci1: command 0x041b tx timeout [ 54.018221][ T3324] Bluetooth: hci4: command 0x041b tx timeout [ 54.024699][ T3324] Bluetooth: hci5: command 0x041b tx timeout [ 54.061489][ T6145] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.149209][ T6147] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 54.214645][ T6138] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.222247][ T6147] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 54.263031][ T6147] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 54.311991][ T6147] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 54.382085][ T6146] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 54.423331][ T6146] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 54.481974][ T6146] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 54.531532][ T6146] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 54.626402][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.636624][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.647923][ T6138] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.685082][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.694315][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.704943][ T1331] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.712495][ T1331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.750848][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.758779][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.770119][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.778595][ T7392] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.785812][ T7392] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.794587][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.803735][ T7392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.815383][ T6145] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.839528][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.850173][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.858503][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.868683][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.877718][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.886831][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.897068][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.907395][ T6142] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.968579][ T6142] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.038950][ T6145] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.052017][ T6138] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.064682][ T6138] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.088482][ T6142] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.141642][ T6142] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.181326][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.191286][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.198876][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.207827][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.241736][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.251343][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.260716][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.267857][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.293064][ T6147] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.314156][ T6139] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 55.371447][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.379292][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.388965][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.397881][ T7441] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.405030][ T7441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.412674][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.422308][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.430719][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.448599][ T6146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.459910][ T6138] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.472161][ T6139] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 55.532179][ T6139] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 55.613331][ T6139] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 55.661124][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.671158][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.681751][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.690281][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.698681][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.711996][ T6147] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.739905][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.747550][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.757112][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.766365][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.774970][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.795054][ T6145] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.805606][ T6145] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.821085][ T6146] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.828702][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.837759][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.847225][ T3324] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.854321][ T3324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.862652][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.871960][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.881313][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.890169][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.898399][ T3324] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.905666][ T3324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.913458][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.922626][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.956440][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.964532][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.974230][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.983883][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.993263][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.003209][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.012487][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.021893][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.031244][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.040800][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.050397][ T7441] Bluetooth: hci2: command 0x040f tx timeout [ 56.056540][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.073305][ T7441] Bluetooth: hci5: command 0x040f tx timeout [ 56.079802][ T7441] Bluetooth: hci4: command 0x040f tx timeout [ 56.085969][ T7441] Bluetooth: hci1: command 0x040f tx timeout [ 56.094102][ T7441] Bluetooth: hci3: command 0x040f tx timeout [ 56.096208][ T6147] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.102256][ T7441] Bluetooth: hci0: command 0x040f tx timeout [ 56.120185][ T6147] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.140708][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.149289][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.159653][ T7422] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.166841][ T7422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.176187][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.185151][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.194177][ T7422] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.201403][ T7422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.209021][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.217842][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.226540][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.235286][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.243985][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.289278][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.297865][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.306952][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.315279][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.323468][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.331884][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.353491][ T6147] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.366418][ T6145] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.381439][ T6138] device veth0_vlan entered promiscuous mode [ 56.392866][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.402085][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.411682][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.420599][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.429248][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.442526][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.455362][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.468681][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.478844][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.511933][ T6138] device veth1_vlan entered promiscuous mode [ 56.528054][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.535987][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.547400][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.556063][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.564973][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.574455][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.583558][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.615549][ T6146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.641604][ T6139] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.648688][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.658344][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.679215][ T6138] device veth0_macvtap entered promiscuous mode [ 56.690209][ T6142] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.703466][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.712827][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.721761][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.731130][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.759046][ T6147] device veth0_vlan entered promiscuous mode [ 56.782104][ T6146] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.789274][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.798003][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.806975][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.816467][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.824607][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.833023][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.841169][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.848915][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.857449][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.866394][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.874532][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.887437][ T6145] device veth0_vlan entered promiscuous mode [ 56.896758][ T6139] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.910247][ T6142] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.919906][ T6138] device veth1_macvtap entered promiscuous mode [ 56.934693][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.943443][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.964031][ T6147] device veth1_vlan entered promiscuous mode [ 56.997922][ T6138] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.007976][ T6145] device veth1_vlan entered promiscuous mode [ 57.017589][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.025716][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.035278][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.043629][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.052955][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.061913][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.069657][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.077870][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.086733][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.096055][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.104350][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.112109][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.120850][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.129642][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.136982][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.144817][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.153838][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.162245][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.169295][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.177060][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.185533][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.195055][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.203813][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.214183][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.222180][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.269823][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.278041][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.292285][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.301871][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.312136][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.321386][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.331153][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.343206][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.354239][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.363490][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 57.373169][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.385529][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.393735][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.417674][ T6142] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.428763][ T6142] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.443298][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.452552][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.461439][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.470662][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.479124][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.487975][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.497196][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.506082][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.514432][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.522895][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.534657][ T6147] device veth0_macvtap entered promiscuous mode [ 57.543761][ T6138] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.556403][ T6138] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.568658][ T6138] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.580824][ T6138] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.591600][ T6138] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.611127][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.619258][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.627152][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.636357][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.645234][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.653761][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.662315][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 57.671785][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.682995][ T6147] device veth1_macvtap entered promiscuous mode [ 57.701837][ T6145] device veth0_macvtap entered promiscuous mode [ 57.721676][ T6142] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.729821][ T6139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.747485][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 57.757431][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.766509][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.774689][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.785636][ T6145] device veth1_macvtap entered promiscuous mode [ 57.808613][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 57.817253][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.828804][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.838248][ T7422] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.861058][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.868864][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.881727][ T6146] device veth0_vlan entered promiscuous mode [ 57.913500][ T6147] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 57.927628][ T6147] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.941332][ T6147] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.952437][ T6145] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 57.963345][ T6145] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.974616][ T6145] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 57.986269][ T6145] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 57.999708][ T6145] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.017376][ T6139] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.031337][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.057030][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.067717][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 58.069650][ T7447] Bluetooth: hci2: command 0x0419 tx timeout [ 58.086783][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 58.103594][ T6147] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.129099][ T6147] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.145827][ T6147] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.154216][ T19] Bluetooth: hci0: command 0x0419 tx timeout [ 58.158874][ T6146] device veth1_vlan entered promiscuous mode [ 58.162497][ T19] Bluetooth: hci3: command 0x0419 tx timeout [ 58.175251][ T19] Bluetooth: hci1: command 0x0419 tx timeout [ 58.182402][ T19] Bluetooth: hci4: command 0x0419 tx timeout [ 58.182670][ T6145] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.188770][ T19] Bluetooth: hci5: command 0x0419 tx timeout [ 58.206804][ T6145] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.217588][ T6145] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 58.229079][ T6145] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 58.243291][ T6145] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.253128][ T7464] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 58.269816][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 58.277984][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready 2021/07/12 15:32:06 executed programs: 6 [ 58.288623][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.297965][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 58.307195][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 58.318794][ T6147] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.338101][ T6147] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.353214][ T6147] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.362391][ T6147] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.385817][ T6145] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.406244][ T6145] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.428932][ T6145] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.438496][ T6145] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.453127][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 58.463238][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.474229][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.486014][ T7472] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 58.576651][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.594002][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.608016][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.622251][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.636966][ T6142] device veth0_vlan entered promiscuous mode [ 58.658434][ T7482] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 58.674861][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.683353][ T7441] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.819982][ T7482] FAULT_INJECTION: forcing a failure. [ 58.819982][ T7482] name failslab, interval 1, probability 0, space 0, times 1 [ 58.833021][ T7482] CPU: 1 PID: 7482 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 58.841975][ T7482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.852639][ T7482] Call Trace: [ 58.856040][ T7482] dump_stack_lvl+0xbd/0xe2 [ 58.860535][ T7482] should_fail.cold+0x5/0xa [ 58.865122][ T7482] should_failslab+0x5/0x10 [ 58.869819][ T7482] kmem_cache_alloc_trace+0x57/0x440 [ 58.875086][ T7482] ? lock_acquire+0x212/0x5d0 [ 58.880057][ T7482] nsim_fib_event_nb+0x141/0xa60 [ 58.885016][ T7482] ? lock_release+0x424/0x7e0 [ 58.889685][ T7482] ? call_fib_notifiers+0xaf/0x1d0 [ 58.894790][ T7482] notifier_call_chain+0x94/0x170 [ 58.900006][ T7482] atomic_notifier_call_chain+0x54/0xf0 [ 58.905831][ T7482] call_fib_notifiers+0xd5/0x1d0 [ 58.910850][ T7482] fib6_del+0xbdd/0x14e0 [ 58.915265][ T7482] ? fib6_locate+0xd0/0xd0 [ 58.919666][ T7482] ? lock_is_held_type+0xd9/0x130 [ 58.924686][ T7482] ? lock_chain_count+0x20/0x20 [ 58.929623][ T7482] ? lock_release+0x424/0x7e0 [ 58.934296][ T7482] fib6_clean_node+0x2f7/0x4a0 [ 58.939041][ T7482] ? find_held_lock+0x2d/0x110 [ 58.943801][ T7482] ? fib6_del+0x14e0/0x14e0 [ 58.948439][ T7482] fib6_walk_continue+0x33c/0x720 [ 58.953442][ T7482] ? fib6_walk+0x160/0x330 [ 58.957837][ T7482] ? lockdep_hardirqs_on+0x54/0x100 [ 58.963220][ T7482] fib6_walk+0x168/0x330 [ 58.967474][ T7482] fib6_clean_tree+0xaa/0xe0 [ 58.972042][ T7482] ? fib6_walk+0x330/0x330 [ 58.976682][ T7482] ? preempt_schedule_thunk+0x16/0x18 [ 58.982131][ T7482] ? fib6_del+0x14e0/0x14e0 [ 58.986934][ T7482] ? rwlock_bug.part.0+0x90/0x90 [ 58.992072][ T7482] ? fib6_ifup+0x260/0x260 [ 58.996485][ T7482] __fib6_clean_all+0xd8/0x1e0 [ 59.001646][ T7482] ? fib6_ifup+0x260/0x260 [ 59.006140][ T7482] rt6_disable_ip+0x5c0/0x6b0 [ 59.011132][ T7482] ? __lock_acquire+0x159d/0x52b0 [ 59.016336][ T7482] ? rt6_sync_down_dev+0x120/0x120 [ 59.021456][ T7482] ? mark_lock+0xf0/0x15f0 [ 59.025888][ T7482] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 59.031698][ T7482] ? lock_chain_count+0x20/0x20 [ 59.036803][ T7482] ? add_addr+0x2c0/0x2c0 [ 59.041248][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.046926][ T7482] ? lock_is_held_type+0xfa/0x130 [ 59.052262][ T7482] addrconf_notify+0x44f/0x1d40 [ 59.057201][ T7482] ? mark_held_locks+0x9f/0xe0 [ 59.063193][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.068828][ T7482] ? tls_device_sk_destruct+0x610/0x610 [ 59.074561][ T7482] ? clusterip_netdev_event+0x34e/0x550 [ 59.080175][ T7482] ? inet6_ifinfo_notify+0x100/0x100 [ 59.085540][ T7482] ? __local_bh_enable_ip+0x11f/0x220 [ 59.091323][ T7482] ? clusterip_netdev_event+0x34e/0x550 [ 59.097320][ T7482] notifier_call_chain+0x94/0x170 [ 59.102633][ T7482] dev_close_many+0x28c/0x560 [ 59.107295][ T7482] ? __lock_acquire+0xbe2/0x52b0 [ 59.112313][ T7482] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 59.118874][ T7482] __dev_change_net_namespace+0xb88/0x1120 [ 59.124866][ T7482] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 59.130583][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.136198][ T7482] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 59.141474][ T7482] ? security_capable+0x4c/0x90 [ 59.146312][ T7482] ? ns_capable+0x4c/0xc0 [ 59.150686][ T7482] do_setlink+0x1d3/0x2cb0 [ 59.155107][ T7482] ? find_held_lock+0x2d/0x110 [ 59.159941][ T7482] ? rtnetlink_put_metrics+0x480/0x480 [ 59.165754][ T7482] ? lock_is_held_type+0xd9/0x130 [ 59.170766][ T7482] ? mark_lock+0xf0/0x15f0 [ 59.175165][ T7482] ? mark_lock+0xf0/0x15f0 [ 59.179572][ T7482] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 59.185186][ T7482] ? lock_chain_count+0x20/0x20 [ 59.190015][ T7482] ? lock_chain_count+0x20/0x20 [ 59.195554][ T7482] ? mark_lock+0xf0/0x15f0 [ 59.199946][ T7482] ? memset+0x20/0x40 [ 59.203907][ T7482] ? __nla_validate_parse+0xb2/0x1fd0 [ 59.209289][ T7482] ? lock_is_held_type+0xd9/0x130 [ 59.214474][ T7482] ? nla_get_range_signed+0x540/0x540 [ 59.220131][ T7482] ? __lock_acquire+0xbe2/0x52b0 [ 59.225071][ T7482] __rtnl_newlink+0xaca/0x13b0 [ 59.230413][ T7482] ? lock_is_held_type+0xfa/0x130 [ 59.235521][ T7482] ? rtnl_setlink+0x330/0x330 [ 59.240189][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.245889][ T7482] ? lock_release+0x424/0x7e0 [ 59.250738][ T7482] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 59.256981][ T7482] ? is_bpf_text_address+0x65/0xe0 [ 59.262073][ T7482] ? kernel_text_address+0xbd/0xf0 [ 59.267160][ T7482] ? __kernel_text_address+0x9/0x30 [ 59.272440][ T7482] ? unwind_get_return_address+0x51/0x90 [ 59.278055][ T7482] ? create_prof_cpu_mask+0x20/0x20 [ 59.283251][ T7482] ? arch_stack_walk+0x93/0xe0 [ 59.288191][ T7482] ? stack_trace_save+0x8c/0xc0 [ 59.293039][ T7482] ? stack_trace_consume_entry+0x160/0x160 [ 59.298868][ T7482] ? lock_is_held_type+0xfa/0x130 [ 59.303970][ T7482] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 59.309511][ T7482] ? trace_kmalloc+0x32/0xf0 [ 59.314083][ T7482] ? kmem_cache_alloc_trace+0x20b/0x440 [ 59.319609][ T7482] rtnl_newlink+0x5a/0x90 [ 59.323943][ T7482] rtnetlink_rcv_msg+0x31d/0x8d0 [ 59.328862][ T7482] ? __dev_queue_xmit+0x14ef/0x2e20 [ 59.334571][ T7482] ? rtnl_newlink+0x90/0x90 [ 59.339089][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.344803][ T7482] ? netdev_core_pick_tx+0x290/0x290 [ 59.350106][ T7482] ? lock_acquire+0x150/0x5d0 [ 59.354766][ T7482] netlink_rcv_skb+0x118/0x370 [ 59.359699][ T7482] ? rtnl_newlink+0x90/0x90 [ 59.364278][ T7482] ? netlink_ack+0x930/0x930 [ 59.369082][ T7482] ? netlink_deliver_tap+0x130/0x9a0 [ 59.374617][ T7482] netlink_unicast+0x42e/0x700 [ 59.379482][ T7482] ? netlink_attachskb+0x750/0x750 [ 59.384570][ T7482] ? __build_skb_around+0x1f3/0x2b0 [ 59.389763][ T7482] netlink_sendmsg+0x704/0xbf0 [ 59.394526][ T7482] ? netlink_unicast+0x700/0x700 [ 59.399445][ T7482] ? netlink_unicast+0x700/0x700 [ 59.404449][ T7482] sock_sendmsg+0xab/0xe0 [ 59.410170][ T7482] ____sys_sendmsg+0x5bf/0x7a0 [ 59.415181][ T7482] ? kernel_sendmsg+0x30/0x30 [ 59.419876][ T7482] ? do_recvmmsg+0x550/0x550 [ 59.424565][ T7482] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 59.430557][ T7482] ___sys_sendmsg+0xd3/0x150 [ 59.435238][ T7482] ? sendmsg_copy_msghdr+0x110/0x110 [ 59.440921][ T7482] ? find_held_lock+0x2d/0x110 [ 59.445676][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.451289][ T7482] ? lock_release+0x424/0x7e0 [ 59.455965][ T7482] ? __fget_files+0x17c/0x2e0 [ 59.460829][ T7482] ? lock_downgrade+0x7b0/0x7b0 [ 59.465661][ T7482] ? find_held_lock+0x2d/0x110 [ 59.470505][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.476247][ T7482] ? lock_is_held_type+0xfa/0x130 [ 59.481412][ T7482] ? __fget_files+0x194/0x2e0 [ 59.486543][ T7482] ? __fget_light+0xbe/0x220 [ 59.491139][ T7482] __sys_sendmsg+0xb2/0x140 [ 59.495661][ T7482] ? __sys_sendmsg_sock+0x10/0x10 [ 59.500692][ T7482] ? check_preemption_disabled+0x36/0xd0 [ 59.506323][ T7482] ? syscall_enter_from_user_mode+0x1d/0x60 [ 59.512234][ T7482] ? lockdep_hardirqs_on+0x54/0x100 [ 59.517523][ T7482] do_syscall_64+0x35/0xb0 [ 59.521918][ T7482] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 59.527785][ T7482] RIP: 0033:0x464d29 [ 59.531672][ T7482] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 59.551384][ T7482] RSP: 002b:00007fcd629a9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.559868][ T7482] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 59.567915][ T7482] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 59.576289][ T7482] RBP: 00007fcd629a91d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.584251][ T7482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.592458][ T7482] R13: 00007ffe64b3a7ff R14: 00007fcd629a9300 R15: 0000000000022000 [ 59.866256][ T6142] device veth1_vlan entered promiscuous mode [ 59.881819][ T7482] syz-executor.2 (7482) used greatest stack depth: 22232 bytes left [ 59.911725][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.921478][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.932318][ T7447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.940850][ T7487] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 59.967795][ T7501] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 60.260894][ T7501] FAULT_INJECTION: forcing a failure. [ 60.260894][ T7501] name failslab, interval 1, probability 0, space 0, times 0 [ 60.275109][ T7501] CPU: 0 PID: 7501 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 60.284110][ T7501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.294345][ T7501] Call Trace: [ 60.297624][ T7501] dump_stack_lvl+0xbd/0xe2 [ 60.302565][ T7501] should_fail.cold+0x5/0xa [ 60.307059][ T7501] should_failslab+0x5/0x10 [ 60.311738][ T7501] kmem_cache_alloc_trace+0x57/0x440 [ 60.317013][ T7501] ? lock_release+0x424/0x7e0 [ 60.321763][ T7501] kobject_uevent_env+0x1bd/0xf30 [ 60.327253][ T7501] ? mark_held_locks+0x9f/0xe0 [ 60.332002][ T7501] ? check_preemption_disabled+0x36/0xd0 [ 60.337631][ T7501] ? __local_bh_enable_ip+0x11f/0x220 [ 60.342987][ T7501] ? __dev_change_net_namespace+0x3fe/0x1120 [ 60.348953][ T7501] ? lockdep_hardirqs_on+0x54/0x100 [ 60.354414][ T7501] __dev_change_net_namespace+0x416/0x1120 [ 60.360217][ T7501] ? check_preemption_disabled+0x36/0xd0 [ 60.365840][ T7501] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 60.371048][ T7501] ? security_capable+0x4c/0x90 [ 60.375974][ T7501] ? ns_capable+0x4c/0xc0 [ 60.380376][ T7501] do_setlink+0x1d3/0x2cb0 [ 60.384951][ T7501] ? lock_chain_count+0x20/0x20 [ 60.389782][ T7501] ? orc_sort_cmp+0xd0/0x140 [ 60.394416][ T7501] ? rtnetlink_put_metrics+0x480/0x480 [ 60.399866][ T7501] ? mark_lock+0xf0/0x15f0 [ 60.404306][ T7501] ? mark_lock+0xf0/0x15f0 [ 60.408692][ T7501] ? __lock_acquire+0xbe2/0x52b0 [ 60.413699][ T7501] ? lock_chain_count+0x20/0x20 [ 60.418644][ T7501] ? memset+0x20/0x40 [ 60.422606][ T7501] ? __nla_validate_parse+0xb2/0x1fd0 [ 60.427974][ T7501] ? __lock_acquire+0xbe2/0x52b0 [ 60.432906][ T7501] ? nla_get_range_signed+0x540/0x540 [ 60.438457][ T7501] ? __lock_acquire+0xbe2/0x52b0 [ 60.443582][ T7501] __rtnl_newlink+0xaca/0x13b0 [ 60.448525][ T7501] ? lock_chain_count+0x3/0x20 [ 60.453291][ T7501] ? lock_is_held_type+0xfa/0x130 [ 60.458322][ T7501] ? rtnl_setlink+0x330/0x330 [ 60.462989][ T7501] ? check_preemption_disabled+0x36/0xd0 [ 60.468729][ T7501] ? lock_release+0x424/0x7e0 [ 60.473428][ T7501] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 60.479832][ T7501] ? is_bpf_text_address+0x65/0xe0 [ 60.485148][ T7501] ? kernel_text_address+0xbd/0xf0 [ 60.490456][ T7501] ? __kernel_text_address+0x9/0x30 [ 60.495860][ T7501] ? unwind_get_return_address+0x51/0x90 [ 60.501483][ T7501] ? create_prof_cpu_mask+0x20/0x20 [ 60.506827][ T7501] ? arch_stack_walk+0x93/0xe0 [ 60.511995][ T7501] ? stack_trace_save+0x8c/0xc0 [ 60.517089][ T7501] ? stack_trace_consume_entry+0x160/0x160 [ 60.523001][ T7501] ? fs_reclaim_release+0x9c/0xf0 [ 60.528286][ T7501] ? lock_is_held_type+0xfa/0x130 [ 60.533300][ T7501] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 60.538964][ T7501] ? trace_kmalloc+0x32/0xf0 [ 60.544317][ T7501] ? kmem_cache_alloc_trace+0x20b/0x440 [ 60.549862][ T7501] rtnl_newlink+0x5a/0x90 [ 60.554224][ T7501] rtnetlink_rcv_msg+0x31d/0x8d0 [ 60.559165][ T7501] ? __dev_queue_xmit+0x14ef/0x2e20 [ 60.564346][ T7501] ? rtnl_newlink+0x90/0x90 [ 60.568831][ T7501] ? check_preemption_disabled+0x36/0xd0 [ 60.574532][ T7501] ? netdev_core_pick_tx+0x290/0x290 [ 60.580624][ T7501] ? lock_acquire+0x150/0x5d0 [ 60.585373][ T7501] netlink_rcv_skb+0x118/0x370 [ 60.590387][ T7501] ? rtnl_newlink+0x90/0x90 [ 60.595067][ T7501] ? netlink_ack+0x930/0x930 [ 60.599645][ T7501] ? netlink_deliver_tap+0x130/0x9a0 [ 60.605023][ T7501] netlink_unicast+0x42e/0x700 [ 60.609774][ T7501] ? netlink_attachskb+0x750/0x750 [ 60.614874][ T7501] ? __build_skb_around+0x1f3/0x2b0 [ 60.620942][ T7501] netlink_sendmsg+0x704/0xbf0 [ 60.625702][ T7501] ? netlink_unicast+0x700/0x700 [ 60.630630][ T7501] ? netlink_unicast+0x700/0x700 [ 60.635563][ T7501] sock_sendmsg+0xab/0xe0 [ 60.639895][ T7501] ____sys_sendmsg+0x5bf/0x7a0 [ 60.644656][ T7501] ? kernel_sendmsg+0x30/0x30 [ 60.649326][ T7501] ? do_recvmmsg+0x550/0x550 [ 60.653912][ T7501] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 60.659915][ T7501] ___sys_sendmsg+0xd3/0x150 [ 60.664498][ T7501] ? sendmsg_copy_msghdr+0x110/0x110 [ 60.669764][ T7501] ? find_held_lock+0x2d/0x110 [ 60.674529][ T7501] ? check_preemption_disabled+0x36/0xd0 [ 60.680155][ T7501] ? lock_release+0x424/0x7e0 [ 60.684817][ T7501] ? __fget_files+0x17c/0x2e0 [ 60.689572][ T7501] ? lock_downgrade+0x7b0/0x7b0 [ 60.694535][ T7501] ? find_held_lock+0x2d/0x110 [ 60.699465][ T7501] ? check_preemption_disabled+0x36/0xd0 [ 60.705099][ T7501] ? lock_is_held_type+0xfa/0x130 [ 60.710110][ T7501] ? __fget_files+0x194/0x2e0 [ 60.714781][ T7501] ? __fget_light+0xbe/0x220 [ 60.719475][ T7501] __sys_sendmsg+0xb2/0x140 [ 60.724000][ T7501] ? __sys_sendmsg_sock+0x10/0x10 [ 60.729118][ T7501] ? check_preemption_disabled+0x36/0xd0 [ 60.734738][ T7501] ? syscall_enter_from_user_mode+0x1d/0x60 [ 60.740817][ T7501] ? lockdep_hardirqs_on+0x54/0x100 [ 60.745995][ T7501] do_syscall_64+0x35/0xb0 [ 60.750480][ T7501] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 60.756441][ T7501] RIP: 0033:0x464d29 [ 60.760401][ T7501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 60.780006][ T7501] RSP: 002b:00007fcd629ca188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.788538][ T7501] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 60.796689][ T7501] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 60.804937][ T7501] RBP: 00007fcd629ca1d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.812909][ T7501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.821294][ T7501] R13: 00007ffe64b3a7ff R14: 00007fcd629ca300 R15: 0000000000022000 [ 60.856875][ T7501] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 60.889733][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.911291][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.940476][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.996874][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.030358][ T6139] device veth0_vlan entered promiscuous mode [ 61.040870][ T7511] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 61.055369][ T7512] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 61.091395][ T7529] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 61.139253][ T6142] device veth0_macvtap entered promiscuous mode [ 61.184420][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.228731][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.246193][ T6146] device veth0_macvtap entered promiscuous mode [ 61.257530][ T7542] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 61.281212][ T6142] device veth1_macvtap entered promiscuous mode [ 61.289889][ T7545] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 61.310751][ T6139] device veth1_vlan entered promiscuous mode [ 61.321372][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.363811][ T6146] device veth1_macvtap entered promiscuous mode [ 61.440431][ T6142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.466239][ T6142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.479571][ T6142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.510178][ T6142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.525771][ T6142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.537801][ T6142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.550663][ T6142] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.567591][ T6139] device veth0_macvtap entered promiscuous mode [ 61.579950][ T6139] device veth1_macvtap entered promiscuous mode [ 61.587111][ T2640] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.596786][ T2640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.605948][ T2640] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.615236][ T2640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.624393][ T2640] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.636007][ T6142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 61.646971][ T6142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.657220][ T6142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 61.668317][ T6142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.679108][ T6142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 61.690470][ T6142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.703021][ T6142] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.715120][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.725132][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.734956][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.752340][ T6142] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.761275][ T6142] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.771358][ T6142] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.780679][ T6142] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.804395][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.816557][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.826750][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.840072][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.850644][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.863588][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.874073][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.885646][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.897843][ T6146] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.923118][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.932482][ T7408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.946946][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.959248][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.971950][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 61.983205][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.994873][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 62.006391][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.017393][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 62.028524][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.038767][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 62.049977][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.062230][ T6139] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.076343][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.089568][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.100378][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.111482][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.121677][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.132716][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.143178][ T6146] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.154440][ T6146] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.167737][ T6146] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.182376][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.191616][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.201114][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.210481][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.221417][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.233523][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.244008][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.256490][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.266775][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.280511][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.290577][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.301502][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.313228][ T6139] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 62.323865][ T6139] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 62.335127][ T6139] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.350419][ T6146] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.362720][ T6146] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.373386][ T6146] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.386319][ T6146] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.399152][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.408005][ T3324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.417689][ T6139] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.427326][ T6139] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.436182][ T6139] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.445442][ T6139] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.840791][ T7573] FAULT_INJECTION: forcing a failure. [ 62.840791][ T7573] name failslab, interval 1, probability 0, space 0, times 0 [ 62.854085][ T7573] CPU: 0 PID: 7573 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 62.862859][ T7573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.872909][ T7573] Call Trace: [ 62.876204][ T7573] dump_stack_lvl+0xbd/0xe2 [ 62.880723][ T7573] should_fail.cold+0x5/0xa [ 62.885233][ T7573] ? mark_held_locks+0x9f/0xe0 [ 62.890003][ T7573] should_failslab+0x5/0x10 [ 62.894509][ T7573] kmem_cache_alloc_node_trace+0x66/0x570 [ 62.900227][ T7573] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 62.905781][ T7573] __kmalloc_node_track_caller+0x38/0x60 [ 62.911457][ T7573] __alloc_skb+0x8b/0x280 [ 62.915805][ T7573] __neigh_notify+0x7f/0x110 [ 62.920615][ T7573] neigh_cleanup_and_release+0x5a/0x220 [ 62.926262][ T7573] neigh_flush_dev+0x4a7/0x7e0 [ 62.931032][ T7573] ? lock_release+0x424/0x7e0 [ 62.935740][ T7573] __neigh_ifdown.isra.0+0x44/0x390 [ 62.940995][ T7573] ? __local_bh_enable_ip+0x11f/0x220 [ 62.946486][ T7573] ? rt6_disable_ip+0x491/0x6b0 [ 62.951636][ T7573] neigh_ifdown+0x7/0x10 [ 62.955917][ T7573] rt6_disable_ip+0x56c/0x6b0 [ 62.960868][ T7573] ? rt6_sync_down_dev+0x120/0x120 [ 62.965987][ T7573] ? mark_lock+0xf0/0x15f0 [ 62.970412][ T7573] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 62.975780][ T7573] ? lock_chain_count+0x20/0x20 [ 62.980637][ T7573] ? add_addr+0x2c0/0x2c0 [ 62.984979][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 62.990620][ T7573] ? lock_is_held_type+0xfa/0x130 [ 62.995905][ T7573] addrconf_notify+0x44f/0x1d40 [ 63.000757][ T7573] ? mark_held_locks+0x9f/0xe0 [ 63.005700][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 63.011370][ T7573] ? tls_device_sk_destruct+0x610/0x610 [ 63.017011][ T7573] ? clusterip_netdev_event+0x34e/0x550 [ 63.022549][ T7573] ? inet6_ifinfo_notify+0x100/0x100 [ 63.027836][ T7573] ? __local_bh_enable_ip+0x11f/0x220 [ 63.033207][ T7573] ? clusterip_netdev_event+0x34e/0x550 [ 63.038850][ T7573] notifier_call_chain+0x94/0x170 [ 63.043877][ T7573] dev_close_many+0x28c/0x560 [ 63.048633][ T7573] ? __lock_acquire+0xbe2/0x52b0 [ 63.053663][ T7573] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 63.059753][ T7573] __dev_change_net_namespace+0xb88/0x1120 [ 63.065734][ T7573] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 63.071932][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 63.077583][ T7573] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 63.082795][ T7573] ? security_capable+0x4c/0x90 [ 63.087654][ T7573] ? ns_capable+0x4c/0xc0 [ 63.091992][ T7573] do_setlink+0x1d3/0x2cb0 [ 63.096471][ T7573] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 63.102544][ T7573] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 63.108621][ T7573] ? orc_sort_cmp+0xd0/0x140 [ 63.113302][ T7573] ? rtnetlink_put_metrics+0x480/0x480 [ 63.118763][ T7573] ? mark_lock+0xf0/0x15f0 [ 63.123231][ T7573] ? mark_lock+0xf0/0x15f0 [ 63.127653][ T7573] ? __lock_acquire+0xbe2/0x52b0 [ 63.132686][ T7573] ? lock_chain_count+0x20/0x20 [ 63.137828][ T7573] ? memset+0x20/0x40 [ 63.141812][ T7573] ? __nla_validate_parse+0xb2/0x1fd0 [ 63.147183][ T7573] ? __lock_acquire+0xbe2/0x52b0 [ 63.152115][ T7573] ? nla_get_range_signed+0x540/0x540 [ 63.157500][ T7573] ? __lock_acquire+0xbe2/0x52b0 [ 63.162445][ T7573] __rtnl_newlink+0xaca/0x13b0 [ 63.167207][ T7573] ? lock_chain_count+0x3/0x20 [ 63.171971][ T7573] ? lock_is_held_type+0xfa/0x130 [ 63.177089][ T7573] ? rtnl_setlink+0x330/0x330 [ 63.181753][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 63.187395][ T7573] ? lock_release+0x424/0x7e0 [ 63.192085][ T7573] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.198166][ T7573] ? is_bpf_text_address+0x65/0xe0 [ 63.203277][ T7573] ? kernel_text_address+0xbd/0xf0 [ 63.208486][ T7573] ? __kernel_text_address+0x9/0x30 [ 63.213791][ T7573] ? unwind_get_return_address+0x51/0x90 [ 63.219510][ T7573] ? create_prof_cpu_mask+0x20/0x20 [ 63.224708][ T7573] ? arch_stack_walk+0x93/0xe0 [ 63.230097][ T7573] ? stack_trace_save+0x8c/0xc0 [ 63.234949][ T7573] ? stack_trace_consume_entry+0x160/0x160 [ 63.241120][ T7573] ? fs_reclaim_release+0x9c/0xf0 [ 63.246639][ T7573] ? lock_is_held_type+0xfa/0x130 [ 63.251657][ T7573] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 63.257432][ T7573] ? trace_kmalloc+0x32/0xf0 [ 63.262199][ T7573] ? kmem_cache_alloc_trace+0x20b/0x440 [ 63.267741][ T7573] rtnl_newlink+0x5a/0x90 [ 63.273113][ T7573] rtnetlink_rcv_msg+0x31d/0x8d0 [ 63.278168][ T7573] ? __dev_queue_xmit+0x14ef/0x2e20 [ 63.283526][ T7573] ? rtnl_newlink+0x90/0x90 [ 63.288202][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 63.293836][ T7573] ? netdev_core_pick_tx+0x290/0x290 [ 63.299657][ T7573] ? lock_acquire+0x150/0x5d0 [ 63.304356][ T7573] netlink_rcv_skb+0x118/0x370 [ 63.309136][ T7573] ? rtnl_newlink+0x90/0x90 [ 63.314047][ T7573] ? netlink_ack+0x930/0x930 [ 63.319379][ T7573] ? netlink_deliver_tap+0x130/0x9a0 [ 63.324787][ T7573] netlink_unicast+0x42e/0x700 [ 63.329784][ T7573] ? netlink_attachskb+0x750/0x750 [ 63.334905][ T7573] ? __build_skb_around+0x1f3/0x2b0 [ 63.340514][ T7573] netlink_sendmsg+0x704/0xbf0 [ 63.345307][ T7573] ? netlink_unicast+0x700/0x700 [ 63.350288][ T7573] ? netlink_unicast+0x700/0x700 [ 63.355409][ T7573] sock_sendmsg+0xab/0xe0 [ 63.359839][ T7573] ____sys_sendmsg+0x5bf/0x7a0 [ 63.364625][ T7573] ? kernel_sendmsg+0x30/0x30 [ 63.371081][ T7573] ? do_recvmmsg+0x550/0x550 [ 63.375830][ T7573] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 63.381845][ T7573] ___sys_sendmsg+0xd3/0x150 [ 63.386576][ T7573] ? sendmsg_copy_msghdr+0x110/0x110 [ 63.392123][ T7573] ? find_held_lock+0x2d/0x110 [ 63.396991][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 63.402631][ T7573] ? lock_release+0x424/0x7e0 [ 63.407307][ T7573] ? __fget_files+0x17c/0x2e0 [ 63.412197][ T7573] ? lock_downgrade+0x7b0/0x7b0 [ 63.417439][ T7573] ? find_held_lock+0x2d/0x110 [ 63.422498][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 63.428132][ T7573] ? lock_is_held_type+0xfa/0x130 [ 63.433165][ T7573] ? __fget_files+0x194/0x2e0 [ 63.437830][ T7573] ? __fget_light+0xbe/0x220 [ 63.442927][ T7573] __sys_sendmsg+0xb2/0x140 [ 63.447425][ T7573] ? __sys_sendmsg_sock+0x10/0x10 [ 63.452449][ T7573] ? check_preemption_disabled+0x36/0xd0 [ 63.458092][ T7573] ? syscall_enter_from_user_mode+0x1d/0x60 [ 63.464159][ T7573] ? lockdep_hardirqs_on+0x54/0x100 [ 63.469559][ T7573] do_syscall_64+0x35/0xb0 [ 63.474008][ T7573] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 63.479891][ T7573] RIP: 0033:0x464d29 [ 63.483773][ T7573] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 63.504093][ T7573] RSP: 002b:00007fcd629ca188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.512685][ T7573] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 63.520718][ T7573] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 63.528752][ T7573] RBP: 00007fcd629ca1d0 R08: 0000000000000000 R09: 0000000000000000 [ 63.536871][ T7573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 63.544915][ T7573] R13: 00007ffe64b3a7ff R14: 00007fcd629ca300 R15: 0000000000022000 2021/07/12 15:32:11 executed programs: 23 [ 63.817813][ T7574] __nla_validate_parse: 8 callbacks suppressed [ 63.817822][ T7574] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 63.882157][ T7584] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 63.903588][ T7586] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 63.919698][ T7587] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 63.935579][ T7588] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 63.977811][ T7611] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 64.281032][ T7609] FAULT_INJECTION: forcing a failure. [ 64.281032][ T7609] name failslab, interval 1, probability 0, space 0, times 0 [ 64.327864][ T7609] CPU: 0 PID: 7609 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 64.336663][ T7609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.347331][ T7609] Call Trace: [ 64.350801][ T7609] dump_stack_lvl+0xbd/0xe2 [ 64.355311][ T7609] should_fail.cold+0x5/0xa [ 64.359917][ T7609] should_failslab+0x5/0x10 [ 64.364685][ T7609] kmem_cache_alloc_node_trace+0x66/0x570 [ 64.370414][ T7609] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 64.375993][ T7609] __kmalloc_node_track_caller+0x38/0x60 [ 64.381922][ T7609] __alloc_skb+0x8b/0x280 [ 64.386349][ T7609] inet6_netconf_notify_devconf+0x5a/0xf0 [ 64.392165][ T7609] addrconf_sysctl_unregister+0x127/0x1b0 [ 64.397936][ T7609] addrconf_ifdown.isra.0+0xb74/0x10e0 [ 64.403495][ T7609] ? add_addr+0x2c0/0x2c0 [ 64.408512][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.414465][ T7609] ? lock_is_held_type+0xfa/0x130 [ 64.419787][ T7609] addrconf_notify+0x44f/0x1d40 [ 64.424869][ T7609] ? mark_held_locks+0x9f/0xe0 [ 64.429910][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.436857][ T7609] ? tls_device_sk_destruct+0x610/0x610 [ 64.444042][ T7609] ? clusterip_netdev_event+0x34e/0x550 [ 64.451776][ T7609] ? inet6_ifinfo_notify+0x100/0x100 [ 64.457527][ T7609] ? __local_bh_enable_ip+0x11f/0x220 [ 64.463533][ T7609] ? clusterip_netdev_event+0x34e/0x550 [ 64.470203][ T7609] notifier_call_chain+0x94/0x170 [ 64.475341][ T7609] __dev_change_net_namespace+0x373/0x1120 [ 64.482289][ T7609] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 64.487953][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.493810][ T7609] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 64.499681][ T7609] ? security_capable+0x4c/0x90 [ 64.505501][ T7609] ? ns_capable+0x4c/0xc0 [ 64.510799][ T7609] do_setlink+0x1d3/0x2cb0 [ 64.516650][ T7609] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 64.524075][ T7609] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 64.531914][ T7609] ? orc_sort_cmp+0xd0/0x140 [ 64.537456][ T7609] ? rtnetlink_put_metrics+0x480/0x480 [ 64.544717][ T7609] ? mark_lock+0xf0/0x15f0 [ 64.549802][ T7609] ? mark_lock+0xf0/0x15f0 [ 64.555010][ T7609] ? __lock_acquire+0xbe2/0x52b0 [ 64.560302][ T7609] ? lock_chain_count+0x20/0x20 [ 64.566460][ T7609] ? memset+0x20/0x40 [ 64.571562][ T7609] ? __nla_validate_parse+0xb2/0x1fd0 [ 64.579247][ T7609] ? lock_chain_count+0x20/0x20 [ 64.587557][ T7609] ? __lock_acquire+0xbe2/0x52b0 [ 64.594207][ T7609] ? nla_get_range_signed+0x540/0x540 [ 64.601028][ T7609] ? __lock_acquire+0xbe2/0x52b0 [ 64.608857][ T7609] __rtnl_newlink+0xaca/0x13b0 [ 64.616782][ T7609] ? lock_is_held_type+0xfa/0x130 [ 64.622785][ T7609] ? rtnl_setlink+0x330/0x330 [ 64.629636][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.636858][ T7609] ? lock_release+0x424/0x7e0 [ 64.642557][ T7609] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 64.649780][ T7609] ? is_bpf_text_address+0x65/0xe0 [ 64.655986][ T7609] ? kernel_text_address+0xbd/0xf0 [ 64.662749][ T7609] ? __kernel_text_address+0x9/0x30 [ 64.671347][ T7609] ? unwind_get_return_address+0x51/0x90 [ 64.678932][ T7609] ? create_prof_cpu_mask+0x20/0x20 [ 64.684131][ T7609] ? arch_stack_walk+0x93/0xe0 [ 64.688909][ T7609] ? stack_trace_save+0x8c/0xc0 [ 64.693938][ T7609] ? stack_trace_consume_entry+0x160/0x160 [ 64.700215][ T7609] ? fs_reclaim_release+0x9c/0xf0 [ 64.705829][ T7609] ? lock_is_held_type+0xfa/0x130 [ 64.711131][ T7609] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 64.716881][ T7609] ? trace_kmalloc+0x32/0xf0 [ 64.722187][ T7609] ? kmem_cache_alloc_trace+0x20b/0x440 [ 64.727919][ T7609] rtnl_newlink+0x5a/0x90 [ 64.732248][ T7609] rtnetlink_rcv_msg+0x31d/0x8d0 [ 64.739077][ T7609] ? __dev_queue_xmit+0x14ef/0x2e20 [ 64.744637][ T7609] ? rtnl_newlink+0x90/0x90 [ 64.750518][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.756341][ T7609] ? netdev_core_pick_tx+0x290/0x290 [ 64.761723][ T7609] ? lock_acquire+0x150/0x5d0 [ 64.766496][ T7609] netlink_rcv_skb+0x118/0x370 [ 64.771646][ T7609] ? rtnl_newlink+0x90/0x90 [ 64.776853][ T7609] ? netlink_ack+0x930/0x930 [ 64.782582][ T7609] ? netlink_deliver_tap+0x130/0x9a0 [ 64.788258][ T7609] netlink_unicast+0x42e/0x700 [ 64.793123][ T7609] ? netlink_attachskb+0x750/0x750 [ 64.798951][ T7609] ? __build_skb_around+0x1f3/0x2b0 [ 64.804892][ T7609] netlink_sendmsg+0x704/0xbf0 [ 64.810032][ T7609] ? netlink_unicast+0x700/0x700 [ 64.815077][ T7609] ? netlink_unicast+0x700/0x700 [ 64.820298][ T7609] sock_sendmsg+0xab/0xe0 [ 64.825252][ T7609] ____sys_sendmsg+0x5bf/0x7a0 [ 64.830135][ T7609] ? kernel_sendmsg+0x30/0x30 [ 64.834837][ T7609] ? do_recvmmsg+0x550/0x550 [ 64.839421][ T7609] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 64.846207][ T7609] ___sys_sendmsg+0xd3/0x150 [ 64.850802][ T7609] ? sendmsg_copy_msghdr+0x110/0x110 [ 64.856562][ T7609] ? find_held_lock+0x2d/0x110 [ 64.861991][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.867744][ T7609] ? lock_release+0x424/0x7e0 [ 64.872528][ T7609] ? __fget_files+0x17c/0x2e0 [ 64.877465][ T7609] ? lock_downgrade+0x7b0/0x7b0 [ 64.882933][ T7609] ? find_held_lock+0x2d/0x110 [ 64.888169][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.894267][ T7609] ? lock_is_held_type+0xfa/0x130 [ 64.899336][ T7609] ? __fget_files+0x194/0x2e0 [ 64.904928][ T7609] ? __fget_light+0xbe/0x220 [ 64.909868][ T7609] __sys_sendmsg+0xb2/0x140 [ 64.914517][ T7609] ? __sys_sendmsg_sock+0x10/0x10 [ 64.919885][ T7609] ? check_preemption_disabled+0x36/0xd0 [ 64.925694][ T7609] ? syscall_enter_from_user_mode+0x1d/0x60 [ 64.932004][ T7609] ? lockdep_hardirqs_on+0x54/0x100 [ 64.938004][ T7609] do_syscall_64+0x35/0xb0 [ 64.942918][ T7609] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 64.948940][ T7609] RIP: 0033:0x464d29 [ 64.953270][ T7609] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 64.975410][ T7609] RSP: 002b:00007fcd629ca188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.984090][ T7609] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 64.992410][ T7609] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 65.000945][ T7609] RBP: 00007fcd629ca1d0 R08: 0000000000000000 R09: 0000000000000000 [ 65.009431][ T7609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 65.018336][ T7609] R13: 00007ffe64b3a7ff R14: 00007fcd629ca300 R15: 0000000000022000 [ 65.082665][ T7616] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 65.112475][ T7632] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 65.136687][ T7633] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 65.161602][ T7631] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 65.724573][ T7654] FAULT_INJECTION: forcing a failure. [ 65.724573][ T7654] name failslab, interval 1, probability 0, space 0, times 0 [ 65.737902][ T7654] CPU: 1 PID: 7654 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 65.746789][ T7654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.756948][ T7654] Call Trace: [ 65.760242][ T7654] dump_stack_lvl+0xbd/0xe2 [ 65.764972][ T7654] should_fail.cold+0x5/0xa [ 65.769460][ T7654] should_failslab+0x5/0x10 [ 65.774164][ T7654] kmem_cache_alloc_node+0x60/0x540 [ 65.779714][ T7654] __alloc_skb+0x153/0x280 [ 65.784155][ T7654] rtmsg_ifa+0x142/0x220 [ 65.788653][ T7654] ? inet_fill_ifaddr+0xc30/0xc30 [ 65.794130][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 65.799974][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 65.805786][ T7654] __inet_del_ifa+0x380/0xcf0 [ 65.810560][ T7654] ? lock_is_held_type+0xfa/0x130 [ 65.815758][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 65.821392][ T7654] ? lock_is_held_type+0xfa/0x130 [ 65.826427][ T7654] inetdev_event+0x4e5/0x1190 [ 65.831128][ T7654] ? devinet_init_net+0x5b0/0x5b0 [ 65.836735][ T7654] ? _raw_spin_unlock_irqrestore+0x2d/0x90 [ 65.842619][ T7654] ? skb_dequeue+0x110/0x1a0 [ 65.847205][ T7654] notifier_call_chain+0x94/0x170 [ 65.852720][ T7654] __dev_change_net_namespace+0x373/0x1120 [ 65.858603][ T7654] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 65.864737][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 65.870655][ T7654] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 65.876062][ T7654] ? security_capable+0x4c/0x90 [ 65.881234][ T7654] ? ns_capable+0x4c/0xc0 [ 65.885820][ T7654] do_setlink+0x1d3/0x2cb0 [ 65.890356][ T7654] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 65.896676][ T7654] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 65.902820][ T7654] ? orc_sort_cmp+0xd0/0x140 [ 65.907423][ T7654] ? rtnetlink_put_metrics+0x480/0x480 [ 65.912874][ T7654] ? mark_lock+0xf0/0x15f0 [ 65.917324][ T7654] ? mark_lock+0xf0/0x15f0 [ 65.921724][ T7654] ? __lock_acquire+0xbe2/0x52b0 [ 65.926744][ T7654] ? lock_chain_count+0x20/0x20 [ 65.931585][ T7654] ? memset+0x20/0x40 [ 65.935549][ T7654] ? __nla_validate_parse+0xb2/0x1fd0 [ 65.940905][ T7654] ? __lock_acquire+0xbe2/0x52b0 [ 65.945842][ T7654] ? nla_get_range_signed+0x540/0x540 [ 65.951210][ T7654] ? __lock_acquire+0xbe2/0x52b0 [ 65.956656][ T7654] __rtnl_newlink+0xaca/0x13b0 [ 65.961584][ T7654] ? lock_chain_count+0x3/0x20 [ 65.966457][ T7654] ? lock_is_held_type+0xfa/0x130 [ 65.971465][ T7654] ? rtnl_setlink+0x330/0x330 [ 65.976241][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 65.981877][ T7654] ? lock_release+0x424/0x7e0 [ 65.986553][ T7654] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 65.992648][ T7654] ? is_bpf_text_address+0x65/0xe0 [ 65.998118][ T7654] ? kernel_text_address+0xbd/0xf0 [ 66.003223][ T7654] ? __kernel_text_address+0x9/0x30 [ 66.008624][ T7654] ? unwind_get_return_address+0x51/0x90 [ 66.014458][ T7654] ? create_prof_cpu_mask+0x20/0x20 [ 66.019748][ T7654] ? arch_stack_walk+0x93/0xe0 [ 66.024801][ T7654] ? stack_trace_save+0x8c/0xc0 [ 66.029752][ T7654] ? stack_trace_consume_entry+0x160/0x160 [ 66.035769][ T7654] ? fs_reclaim_release+0x9c/0xf0 [ 66.040798][ T7654] ? lock_is_held_type+0xfa/0x130 [ 66.045917][ T7654] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 66.051556][ T7654] ? trace_kmalloc+0x32/0xf0 [ 66.056309][ T7654] ? kmem_cache_alloc_trace+0x20b/0x440 [ 66.061939][ T7654] rtnl_newlink+0x5a/0x90 [ 66.066367][ T7654] rtnetlink_rcv_msg+0x31d/0x8d0 [ 66.071450][ T7654] ? __dev_queue_xmit+0x14ef/0x2e20 [ 66.076741][ T7654] ? rtnl_newlink+0x90/0x90 [ 66.081233][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 66.087293][ T7654] ? netdev_core_pick_tx+0x290/0x290 [ 66.092746][ T7654] ? lock_acquire+0x150/0x5d0 [ 66.097535][ T7654] netlink_rcv_skb+0x118/0x370 [ 66.102300][ T7654] ? rtnl_newlink+0x90/0x90 [ 66.107159][ T7654] ? netlink_ack+0x930/0x930 [ 66.111928][ T7654] ? netlink_deliver_tap+0x130/0x9a0 [ 66.117559][ T7654] netlink_unicast+0x42e/0x700 [ 66.122418][ T7654] ? netlink_attachskb+0x750/0x750 [ 66.127516][ T7654] ? __build_skb_around+0x1f3/0x2b0 [ 66.132825][ T7654] netlink_sendmsg+0x704/0xbf0 [ 66.137581][ T7654] ? netlink_unicast+0x700/0x700 [ 66.143720][ T7654] ? netlink_unicast+0x700/0x700 [ 66.148958][ T7654] sock_sendmsg+0xab/0xe0 [ 66.153579][ T7654] ____sys_sendmsg+0x5bf/0x7a0 [ 66.158610][ T7654] ? kernel_sendmsg+0x30/0x30 [ 66.163270][ T7654] ? do_recvmmsg+0x550/0x550 [ 66.168022][ T7654] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 66.173984][ T7654] ___sys_sendmsg+0xd3/0x150 [ 66.178641][ T7654] ? sendmsg_copy_msghdr+0x110/0x110 [ 66.183987][ T7654] ? find_held_lock+0x2d/0x110 [ 66.188820][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 66.194454][ T7654] ? lock_release+0x424/0x7e0 [ 66.199161][ T7654] ? __fget_files+0x17c/0x2e0 [ 66.204093][ T7654] ? lock_downgrade+0x7b0/0x7b0 [ 66.209373][ T7654] ? find_held_lock+0x2d/0x110 [ 66.214569][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 66.220203][ T7654] ? lock_is_held_type+0xfa/0x130 [ 66.226134][ T7654] ? __fget_files+0x194/0x2e0 [ 66.230983][ T7654] ? __fget_light+0xbe/0x220 [ 66.235737][ T7654] __sys_sendmsg+0xb2/0x140 [ 66.240244][ T7654] ? __sys_sendmsg_sock+0x10/0x10 [ 66.245457][ T7654] ? check_preemption_disabled+0x36/0xd0 [ 66.251274][ T7654] ? syscall_enter_from_user_mode+0x1d/0x60 [ 66.257643][ T7654] ? lockdep_hardirqs_on+0x54/0x100 [ 66.262909][ T7654] do_syscall_64+0x35/0xb0 [ 66.267684][ T7654] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.273811][ T7654] RIP: 0033:0x464d29 [ 66.277776][ T7654] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 66.297738][ T7654] RSP: 002b:00007fcd629ca188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.307154][ T7654] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 66.315211][ T7654] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 66.323967][ T7654] RBP: 00007fcd629ca1d0 R08: 0000000000000000 R09: 0000000000000000 [ 66.332904][ T7654] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 66.341315][ T7654] R13: 00007ffe64b3a7ff R14: 00007fcd629ca300 R15: 0000000000022000 [ 66.609757][ T7681] FAULT_INJECTION: forcing a failure. [ 66.609757][ T7681] name failslab, interval 1, probability 0, space 0, times 0 [ 66.623179][ T7681] CPU: 0 PID: 7681 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 66.631862][ T7681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.642847][ T7681] Call Trace: [ 66.646215][ T7681] dump_stack_lvl+0xbd/0xe2 [ 66.651086][ T7681] should_fail.cold+0x5/0xa [ 66.655698][ T7681] should_failslab+0x5/0x10 [ 66.660462][ T7681] kmem_cache_alloc_trace+0x57/0x440 [ 66.666283][ T7681] ? lock_release+0x424/0x7e0 [ 66.671434][ T7681] kobject_uevent_env+0x1bd/0xf30 [ 66.676673][ T7681] ? mark_held_locks+0x9f/0xe0 [ 66.681636][ T7681] ? check_preemption_disabled+0x36/0xd0 [ 66.687358][ T7681] ? __local_bh_enable_ip+0x11f/0x220 [ 66.692822][ T7681] ? __dev_change_net_namespace+0x3fe/0x1120 [ 66.698789][ T7681] ? lockdep_hardirqs_on+0x54/0x100 [ 66.703995][ T7681] __dev_change_net_namespace+0x416/0x1120 [ 66.709805][ T7681] ? check_preemption_disabled+0x36/0xd0 [ 66.715558][ T7681] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 66.721003][ T7681] ? security_capable+0x4c/0x90 [ 66.725853][ T7681] ? ns_capable+0x4c/0xc0 [ 66.730452][ T7681] do_setlink+0x1d3/0x2cb0 [ 66.735048][ T7681] ? rtnetlink_put_metrics+0x480/0x480 [ 66.740501][ T7681] ? mark_lock+0xf0/0x15f0 [ 66.744911][ T7681] ? lock_chain_count+0x20/0x20 [ 66.749765][ T7681] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 66.755315][ T7681] ? lock_chain_count+0x20/0x20 [ 66.760527][ T7681] ? lock_is_held_type+0xd9/0x130 [ 66.765851][ T7681] ? memset+0x20/0x40 [ 66.769998][ T7681] ? __nla_validate_parse+0xb2/0x1fd0 [ 66.775361][ T7681] ? nla_get_range_signed+0x540/0x540 [ 66.780814][ T7681] ? __lock_acquire+0xbe2/0x52b0 [ 66.785858][ T7681] __rtnl_newlink+0xaca/0x13b0 [ 66.790774][ T7681] ? lock_is_held_type+0xfa/0x130 [ 66.796910][ T7681] ? rtnl_setlink+0x330/0x330 [ 66.801883][ T7681] ? check_preemption_disabled+0x36/0xd0 [ 66.807524][ T7681] ? lock_release+0x424/0x7e0 [ 66.812414][ T7681] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 66.818581][ T7681] ? is_bpf_text_address+0x65/0xe0 [ 66.824343][ T7681] ? kernel_text_address+0xbd/0xf0 [ 66.829490][ T7681] ? __kernel_text_address+0x9/0x30 [ 66.835170][ T7681] ? unwind_get_return_address+0x51/0x90 [ 66.841193][ T7681] ? create_prof_cpu_mask+0x20/0x20 [ 66.846496][ T7681] ? arch_stack_walk+0x93/0xe0 [ 66.851350][ T7681] ? stack_trace_save+0x8c/0xc0 [ 66.856418][ T7681] ? stack_trace_consume_entry+0x160/0x160 [ 66.862266][ T7681] ? fs_reclaim_release+0x9c/0xf0 [ 66.867385][ T7681] ? lock_is_held_type+0xfa/0x130 [ 66.872538][ T7681] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 66.878069][ T7681] ? trace_kmalloc+0x32/0xf0 [ 66.882907][ T7681] ? kmem_cache_alloc_trace+0x20b/0x440 [ 66.888582][ T7681] rtnl_newlink+0x5a/0x90 [ 66.893431][ T7681] rtnetlink_rcv_msg+0x31d/0x8d0 [ 66.898393][ T7681] ? __dev_queue_xmit+0x14ef/0x2e20 [ 66.903666][ T7681] ? rtnl_newlink+0x90/0x90 [ 66.908408][ T7681] ? check_preemption_disabled+0x36/0xd0 [ 66.914366][ T7681] ? netdev_core_pick_tx+0x290/0x290 [ 66.919856][ T7681] ? lock_acquire+0x150/0x5d0 [ 66.924537][ T7681] netlink_rcv_skb+0x118/0x370 [ 66.929406][ T7681] ? rtnl_newlink+0x90/0x90 [ 66.934003][ T7681] ? netlink_ack+0x930/0x930 [ 66.938578][ T7681] ? netlink_deliver_tap+0x130/0x9a0 [ 66.944046][ T7681] netlink_unicast+0x42e/0x700 [ 66.948815][ T7681] ? netlink_attachskb+0x750/0x750 [ 66.953914][ T7681] ? __build_skb_around+0x1f3/0x2b0 [ 66.959111][ T7681] netlink_sendmsg+0x704/0xbf0 [ 66.963898][ T7681] ? netlink_unicast+0x700/0x700 [ 66.968857][ T7681] ? netlink_unicast+0x700/0x700 [ 66.973789][ T7681] sock_sendmsg+0xab/0xe0 [ 66.978247][ T7681] ____sys_sendmsg+0x5bf/0x7a0 [ 66.983199][ T7681] ? kernel_sendmsg+0x30/0x30 [ 66.988088][ T7681] ? do_recvmmsg+0x550/0x550 [ 66.993033][ T7681] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 66.999233][ T7681] ___sys_sendmsg+0xd3/0x150 [ 67.003830][ T7681] ? sendmsg_copy_msghdr+0x110/0x110 [ 67.009318][ T7681] ? find_held_lock+0x2d/0x110 [ 67.014167][ T7681] ? check_preemption_disabled+0x36/0xd0 [ 67.020039][ T7681] ? lock_release+0x424/0x7e0 [ 67.024887][ T7681] ? __fget_files+0x17c/0x2e0 [ 67.029561][ T7681] ? lock_downgrade+0x7b0/0x7b0 [ 67.034413][ T7681] ? find_held_lock+0x2d/0x110 [ 67.039619][ T7681] ? check_preemption_disabled+0x36/0xd0 [ 67.045437][ T7681] ? lock_is_held_type+0xfa/0x130 [ 67.050939][ T7681] ? __fget_files+0x194/0x2e0 [ 67.055694][ T7681] ? __fget_light+0xbe/0x220 [ 67.060543][ T7681] __sys_sendmsg+0xb2/0x140 [ 67.065714][ T7681] ? __sys_sendmsg_sock+0x10/0x10 [ 67.070840][ T7681] ? check_preemption_disabled+0x36/0xd0 [ 67.076653][ T7681] ? syscall_enter_from_user_mode+0x1d/0x60 [ 67.082531][ T7681] ? lockdep_hardirqs_on+0x54/0x100 [ 67.087836][ T7681] do_syscall_64+0x35/0xb0 [ 67.092266][ T7681] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.098573][ T7681] RIP: 0033:0x464d29 [ 67.102756][ T7681] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 67.122942][ T7681] RSP: 002b:00007f5758f9a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.131550][ T7681] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 67.140323][ T7681] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 67.148739][ T7681] RBP: 00007f5758f9a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.156871][ T7681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.165056][ T7681] R13: 00007ffdede04d9f R14: 00007f5758f9a300 R15: 0000000000022000 [ 67.187976][ T7681] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.440175][ T7685] FAULT_INJECTION: forcing a failure. [ 67.440175][ T7685] name failslab, interval 1, probability 0, space 0, times 0 [ 67.456407][ T7685] CPU: 1 PID: 7685 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 67.465366][ T7685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.476013][ T7685] Call Trace: [ 67.479648][ T7685] dump_stack_lvl+0xbd/0xe2 [ 67.484250][ T7685] should_fail.cold+0x5/0xa [ 67.488984][ T7685] should_failslab+0x5/0x10 [ 67.493560][ T7685] kmem_cache_alloc_trace+0x57/0x440 [ 67.498835][ T7685] ? lock_release+0x424/0x7e0 [ 67.503598][ T7685] kobject_uevent_env+0x1bd/0xf30 [ 67.508641][ T7685] ? mark_held_locks+0x9f/0xe0 [ 67.513394][ T7685] ? check_preemption_disabled+0x36/0xd0 [ 67.519006][ T7685] ? __local_bh_enable_ip+0x11f/0x220 [ 67.524472][ T7685] ? __dev_change_net_namespace+0x3fe/0x1120 [ 67.530464][ T7685] ? lockdep_hardirqs_on+0x54/0x100 [ 67.535662][ T7685] __dev_change_net_namespace+0x416/0x1120 [ 67.541650][ T7685] ? check_preemption_disabled+0x36/0xd0 [ 67.547285][ T7685] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 67.552489][ T7685] ? security_capable+0x4c/0x90 [ 67.557438][ T7685] ? ns_capable+0x4c/0xc0 [ 67.561810][ T7685] do_setlink+0x1d3/0x2cb0 [ 67.566311][ T7685] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 67.572524][ T7685] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 67.578488][ T7685] ? orc_sort_cmp+0xd0/0x140 [ 67.583123][ T7685] ? rtnetlink_put_metrics+0x480/0x480 [ 67.588598][ T7685] ? mark_lock+0xf0/0x15f0 [ 67.592996][ T7685] ? mark_lock+0xf0/0x15f0 [ 67.597625][ T7685] ? __lock_acquire+0xbe2/0x52b0 [ 67.602660][ T7685] ? lock_chain_count+0x20/0x20 [ 67.607595][ T7685] ? memset+0x20/0x40 [ 67.611580][ T7685] ? __nla_validate_parse+0xb2/0x1fd0 [ 67.616934][ T7685] ? lock_chain_count+0x20/0x20 [ 67.621765][ T7685] ? __lock_acquire+0xbe2/0x52b0 [ 67.626774][ T7685] ? nla_get_range_signed+0x540/0x540 [ 67.632229][ T7685] ? __lock_acquire+0xbe2/0x52b0 [ 67.637264][ T7685] __rtnl_newlink+0xaca/0x13b0 [ 67.642282][ T7685] ? lock_is_held_type+0xfa/0x130 [ 67.647615][ T7685] ? rtnl_setlink+0x330/0x330 [ 67.652281][ T7685] ? check_preemption_disabled+0x36/0xd0 [ 67.657998][ T7685] ? lock_release+0x424/0x7e0 [ 67.662659][ T7685] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.668800][ T7685] ? is_bpf_text_address+0x65/0xe0 [ 67.673893][ T7685] ? kernel_text_address+0xbd/0xf0 [ 67.679179][ T7685] ? __kernel_text_address+0x9/0x30 [ 67.684443][ T7685] ? unwind_get_return_address+0x51/0x90 [ 67.690536][ T7685] ? create_prof_cpu_mask+0x20/0x20 [ 67.696027][ T7685] ? arch_stack_walk+0x93/0xe0 [ 67.701231][ T7685] ? stack_trace_save+0x8c/0xc0 [ 67.706376][ T7685] ? stack_trace_consume_entry+0x160/0x160 [ 67.712641][ T7685] ? fs_reclaim_release+0x9c/0xf0 [ 67.717763][ T7685] ? lock_is_held_type+0xfa/0x130 [ 67.723140][ T7685] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 67.729057][ T7685] ? trace_kmalloc+0x32/0xf0 [ 67.733673][ T7685] ? kmem_cache_alloc_trace+0x20b/0x440 [ 67.739415][ T7685] rtnl_newlink+0x5a/0x90 [ 67.744262][ T7685] rtnetlink_rcv_msg+0x31d/0x8d0 [ 67.749755][ T7685] ? __dev_queue_xmit+0x14ef/0x2e20 [ 67.754940][ T7685] ? rtnl_newlink+0x90/0x90 [ 67.759785][ T7685] ? check_preemption_disabled+0x36/0xd0 [ 67.765667][ T7685] ? netdev_core_pick_tx+0x290/0x290 [ 67.771463][ T7685] ? lock_acquire+0x150/0x5d0 [ 67.776304][ T7685] netlink_rcv_skb+0x118/0x370 [ 67.781387][ T7685] ? rtnl_newlink+0x90/0x90 [ 67.786310][ T7685] ? netlink_ack+0x930/0x930 [ 67.791254][ T7685] ? netlink_deliver_tap+0x130/0x9a0 [ 67.796876][ T7685] netlink_unicast+0x42e/0x700 [ 67.802272][ T7685] ? netlink_attachskb+0x750/0x750 [ 67.807781][ T7685] ? __build_skb_around+0x1f3/0x2b0 [ 67.814743][ T7685] netlink_sendmsg+0x704/0xbf0 [ 67.819621][ T7685] ? netlink_unicast+0x700/0x700 [ 67.825025][ T7685] ? netlink_unicast+0x700/0x700 [ 67.830593][ T7685] sock_sendmsg+0xab/0xe0 [ 67.835176][ T7685] ____sys_sendmsg+0x5bf/0x7a0 [ 67.840294][ T7685] ? kernel_sendmsg+0x30/0x30 [ 67.845367][ T7685] ? do_recvmmsg+0x550/0x550 [ 67.850024][ T7685] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 67.856691][ T7685] ___sys_sendmsg+0xd3/0x150 [ 67.861371][ T7685] ? sendmsg_copy_msghdr+0x110/0x110 [ 67.866864][ T7685] ? find_held_lock+0x2d/0x110 [ 67.872657][ T7685] ? check_preemption_disabled+0x36/0xd0 [ 67.879464][ T7685] ? lock_release+0x424/0x7e0 [ 67.884602][ T7685] ? __fget_files+0x17c/0x2e0 [ 67.889614][ T7685] ? lock_downgrade+0x7b0/0x7b0 [ 67.895279][ T7685] ? find_held_lock+0x2d/0x110 [ 67.900052][ T7685] ? check_preemption_disabled+0x36/0xd0 [ 67.905986][ T7685] ? lock_is_held_type+0xfa/0x130 [ 67.911335][ T7685] ? __fget_files+0x194/0x2e0 [ 67.916335][ T7685] ? __fget_light+0xbe/0x220 [ 67.921070][ T7685] __sys_sendmsg+0xb2/0x140 [ 67.925673][ T7685] ? __sys_sendmsg_sock+0x10/0x10 [ 67.931289][ T7685] ? check_preemption_disabled+0x36/0xd0 [ 67.937204][ T7685] ? syscall_enter_from_user_mode+0x1d/0x60 [ 67.943390][ T7685] ? lockdep_hardirqs_on+0x54/0x100 [ 67.948989][ T7685] do_syscall_64+0x35/0xb0 [ 67.953491][ T7685] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.959509][ T7685] RIP: 0033:0x464d29 [ 67.963404][ T7685] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 67.983290][ T7685] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.991949][ T7685] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 68.000117][ T7685] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 68.008161][ T7685] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 68.016305][ T7685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 68.024700][ T7685] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 68.058245][ T7685] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.079511][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.087193][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.126833][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.153444][ T1331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.308107][ T7699] FAULT_INJECTION: forcing a failure. [ 68.308107][ T7699] name failslab, interval 1, probability 0, space 0, times 0 [ 68.325568][ T7699] CPU: 0 PID: 7699 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 68.334852][ T7699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.345251][ T7699] Call Trace: [ 68.348819][ T7699] dump_stack_lvl+0xbd/0xe2 [ 68.353537][ T7699] should_fail.cold+0x5/0xa [ 68.358186][ T7699] ? mark_held_locks+0x9f/0xe0 [ 68.363312][ T7699] should_failslab+0x5/0x10 [ 68.367979][ T7699] kmem_cache_alloc_node_trace+0x66/0x570 [ 68.373720][ T7699] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 68.379255][ T7699] __kmalloc_node_track_caller+0x38/0x60 [ 68.385120][ T7699] __alloc_skb+0x8b/0x280 [ 68.389638][ T7699] inet6_ifa_notify+0x112/0x1e0 [ 68.395003][ T7699] ? inet6_fill_ifaddr+0xbd0/0xbd0 [ 68.400467][ T7699] ? lock_release+0x424/0x7e0 [ 68.405311][ T7699] __ipv6_ifa_notify+0x13f/0x910 [ 68.410330][ T7699] ? modify_prefix_route+0x4f0/0x4f0 [ 68.415873][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.423151][ T7699] ? __local_bh_enable_ip+0x11f/0x220 [ 68.428979][ T7699] ? addrconf_ifdown.isra.0+0x78e/0x10e0 [ 68.434923][ T7699] addrconf_ifdown.isra.0+0x7a5/0x10e0 [ 68.440575][ T7699] ? add_addr+0x2c0/0x2c0 [ 68.445016][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.450902][ T7699] ? lock_is_held_type+0xfa/0x130 [ 68.456006][ T7699] addrconf_notify+0x44f/0x1d40 [ 68.461799][ T7699] ? mark_held_locks+0x9f/0xe0 [ 68.466564][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.472499][ T7699] ? tls_device_sk_destruct+0x610/0x610 [ 68.478052][ T7699] ? clusterip_netdev_event+0x34e/0x550 [ 68.484971][ T7699] ? inet6_ifinfo_notify+0x100/0x100 [ 68.490469][ T7699] ? __local_bh_enable_ip+0x11f/0x220 [ 68.495907][ T7699] ? clusterip_netdev_event+0x34e/0x550 [ 68.501882][ T7699] notifier_call_chain+0x94/0x170 [ 68.507330][ T7699] dev_close_many+0x28c/0x560 [ 68.512095][ T7699] ? __lock_acquire+0xbe2/0x52b0 [ 68.517020][ T7699] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 68.523088][ T7699] __dev_change_net_namespace+0xb88/0x1120 [ 68.529140][ T7699] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 68.535407][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.541146][ T7699] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 68.546522][ T7699] ? security_capable+0x4c/0x90 [ 68.551478][ T7699] ? ns_capable+0x4c/0xc0 [ 68.555803][ T7699] do_setlink+0x1d3/0x2cb0 [ 68.560401][ T7699] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 68.566457][ T7699] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 68.572834][ T7699] ? orc_sort_cmp+0xd0/0x140 [ 68.577696][ T7699] ? rtnetlink_put_metrics+0x480/0x480 [ 68.583488][ T7699] ? mark_lock+0xf0/0x15f0 [ 68.587909][ T7699] ? mark_lock+0xf0/0x15f0 [ 68.592354][ T7699] ? __lock_acquire+0xbe2/0x52b0 [ 68.597385][ T7699] ? lock_chain_count+0x20/0x20 [ 68.602227][ T7699] ? memset+0x20/0x40 [ 68.606535][ T7699] ? __nla_validate_parse+0xb2/0x1fd0 [ 68.612236][ T7699] ? lock_chain_count+0x20/0x20 [ 68.617587][ T7699] ? __lock_acquire+0xbe2/0x52b0 [ 68.622506][ T7699] ? nla_get_range_signed+0x540/0x540 [ 68.628046][ T7699] ? __lock_acquire+0xbe2/0x52b0 [ 68.633110][ T7699] __rtnl_newlink+0xaca/0x13b0 [ 68.638060][ T7699] ? lock_is_held_type+0xfa/0x130 [ 68.643262][ T7699] ? rtnl_setlink+0x330/0x330 [ 68.647992][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.653802][ T7699] ? lock_release+0x424/0x7e0 [ 68.658705][ T7699] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.665109][ T7699] ? is_bpf_text_address+0x65/0xe0 [ 68.670920][ T7699] ? kernel_text_address+0xbd/0xf0 [ 68.676456][ T7699] ? __kernel_text_address+0x9/0x30 [ 68.681755][ T7699] ? unwind_get_return_address+0x51/0x90 [ 68.688484][ T7699] ? create_prof_cpu_mask+0x20/0x20 [ 68.694592][ T7699] ? arch_stack_walk+0x93/0xe0 [ 68.699645][ T7699] ? stack_trace_save+0x8c/0xc0 [ 68.704930][ T7699] ? stack_trace_consume_entry+0x160/0x160 [ 68.711031][ T7699] ? fs_reclaim_release+0x9c/0xf0 [ 68.716330][ T7699] ? lock_is_held_type+0xfa/0x130 [ 68.721782][ T7699] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 68.728017][ T7699] ? trace_kmalloc+0x32/0xf0 [ 68.733594][ T7699] ? kmem_cache_alloc_trace+0x20b/0x440 [ 68.739308][ T7699] rtnl_newlink+0x5a/0x90 [ 68.744479][ T7699] rtnetlink_rcv_msg+0x31d/0x8d0 [ 68.749995][ T7699] ? __dev_queue_xmit+0x14ef/0x2e20 [ 68.755552][ T7699] ? rtnl_newlink+0x90/0x90 [ 68.760154][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.766172][ T7699] ? netdev_core_pick_tx+0x290/0x290 [ 68.771650][ T7699] ? lock_acquire+0x150/0x5d0 [ 68.776999][ T7699] netlink_rcv_skb+0x118/0x370 [ 68.782321][ T7699] ? rtnl_newlink+0x90/0x90 [ 68.786825][ T7699] ? netlink_ack+0x930/0x930 [ 68.791494][ T7699] ? netlink_deliver_tap+0x130/0x9a0 [ 68.797679][ T7699] netlink_unicast+0x42e/0x700 [ 68.802604][ T7699] ? netlink_attachskb+0x750/0x750 [ 68.808007][ T7699] ? __build_skb_around+0x1f3/0x2b0 [ 68.813220][ T7699] netlink_sendmsg+0x704/0xbf0 [ 68.819609][ T7699] ? netlink_unicast+0x700/0x700 [ 68.826121][ T7699] ? netlink_unicast+0x700/0x700 [ 68.831747][ T7699] sock_sendmsg+0xab/0xe0 [ 68.837386][ T7699] ____sys_sendmsg+0x5bf/0x7a0 [ 68.842983][ T7699] ? kernel_sendmsg+0x30/0x30 [ 68.848766][ T7699] ? do_recvmmsg+0x550/0x550 [ 68.853367][ T7699] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 68.860033][ T7699] ___sys_sendmsg+0xd3/0x150 [ 68.865027][ T7699] ? sendmsg_copy_msghdr+0x110/0x110 [ 68.870656][ T7699] ? find_held_lock+0x2d/0x110 [ 68.875546][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.881427][ T7699] ? lock_release+0x424/0x7e0 [ 68.886724][ T7699] ? __fget_files+0x17c/0x2e0 [ 68.892132][ T7699] ? lock_downgrade+0x7b0/0x7b0 [ 68.896981][ T7699] ? find_held_lock+0x2d/0x110 [ 68.901937][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.907856][ T7699] ? lock_is_held_type+0xfa/0x130 [ 68.912888][ T7699] ? __fget_files+0x194/0x2e0 [ 68.917570][ T7699] ? __fget_light+0xbe/0x220 [ 68.922248][ T7699] __sys_sendmsg+0xb2/0x140 [ 68.926867][ T7699] ? __sys_sendmsg_sock+0x10/0x10 [ 68.932003][ T7699] ? check_preemption_disabled+0x36/0xd0 [ 68.938175][ T7699] ? syscall_enter_from_user_mode+0x1d/0x60 [ 68.944055][ T7699] ? lockdep_hardirqs_on+0x54/0x100 [ 68.949274][ T7699] do_syscall_64+0x35/0xb0 [ 68.953808][ T7699] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.959706][ T7699] RIP: 0033:0x464d29 [ 68.963592][ T7699] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 68.983379][ T7699] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.992298][ T7699] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 69.000588][ T7699] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 69.008700][ T7699] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 69.016836][ T7699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 69.025525][ T7699] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 2021/07/12 15:32:17 executed programs: 42 [ 69.307324][ T7711] __nla_validate_parse: 10 callbacks suppressed [ 69.307333][ T7711] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 69.338585][ T7714] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 69.363063][ T7713] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 69.585531][ T7716] FAULT_INJECTION: forcing a failure. [ 69.585531][ T7716] name failslab, interval 1, probability 0, space 0, times 0 [ 69.598967][ T7716] CPU: 0 PID: 7716 Comm: syz-executor.5 Not tainted 5.14.0-rc1-syzkaller #0 [ 69.608694][ T7716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.619361][ T7716] Call Trace: [ 69.623209][ T7716] dump_stack_lvl+0xbd/0xe2 [ 69.628091][ T7716] should_fail.cold+0x5/0xa [ 69.632950][ T7716] should_failslab+0x5/0x10 [ 69.637537][ T7716] kmem_cache_alloc_node_trace+0x66/0x570 [ 69.643435][ T7716] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 69.649237][ T7716] __kmalloc_node_track_caller+0x38/0x60 [ 69.654962][ T7716] __alloc_skb+0x8b/0x280 [ 69.659280][ T7716] inet6_netconf_notify_devconf+0x5a/0xf0 [ 69.664981][ T7716] addrconf_sysctl_unregister+0x127/0x1b0 [ 69.670678][ T7716] addrconf_ifdown.isra.0+0xb74/0x10e0 [ 69.676218][ T7716] ? add_addr+0x2c0/0x2c0 [ 69.680525][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 69.686230][ T7716] ? lock_is_held_type+0xfa/0x130 [ 69.691248][ T7716] addrconf_notify+0x44f/0x1d40 [ 69.696086][ T7716] ? mark_held_locks+0x9f/0xe0 [ 69.700827][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 69.706722][ T7716] ? tls_device_sk_destruct+0x610/0x610 [ 69.712419][ T7716] ? clusterip_netdev_event+0x34e/0x550 [ 69.718124][ T7716] ? inet6_ifinfo_notify+0x100/0x100 [ 69.723570][ T7716] ? __local_bh_enable_ip+0x11f/0x220 [ 69.728934][ T7716] ? clusterip_netdev_event+0x34e/0x550 [ 69.734808][ T7716] notifier_call_chain+0x94/0x170 [ 69.739910][ T7716] __dev_change_net_namespace+0x373/0x1120 [ 69.745706][ T7716] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 69.751519][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 69.757152][ T7716] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 69.762365][ T7716] ? security_capable+0x4c/0x90 [ 69.767249][ T7716] ? ns_capable+0x4c/0xc0 [ 69.771593][ T7716] do_setlink+0x1d3/0x2cb0 [ 69.776135][ T7716] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 69.782305][ T7716] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 69.788984][ T7716] ? orc_sort_cmp+0xd0/0x140 [ 69.793830][ T7716] ? rtnetlink_put_metrics+0x480/0x480 [ 69.799381][ T7716] ? mark_lock+0xf0/0x15f0 [ 69.803786][ T7716] ? mark_lock+0xf0/0x15f0 [ 69.808199][ T7716] ? __lock_acquire+0xbe2/0x52b0 [ 69.813683][ T7716] ? lock_chain_count+0x20/0x20 [ 69.818632][ T7716] ? memset+0x20/0x40 [ 69.822927][ T7716] ? __nla_validate_parse+0xb2/0x1fd0 [ 69.828288][ T7716] ? lock_chain_count+0x20/0x20 [ 69.833211][ T7716] ? __lock_acquire+0xbe2/0x52b0 [ 69.838226][ T7716] ? nla_get_range_signed+0x540/0x540 [ 69.843678][ T7716] ? __lock_acquire+0xbe2/0x52b0 [ 69.849139][ T7716] __rtnl_newlink+0xaca/0x13b0 [ 69.854201][ T7716] ? lock_is_held_type+0xfa/0x130 [ 69.859469][ T7716] ? rtnl_setlink+0x330/0x330 [ 69.864287][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 69.870014][ T7716] ? lock_release+0x424/0x7e0 [ 69.874763][ T7716] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.880923][ T7716] ? is_bpf_text_address+0x65/0xe0 [ 69.886037][ T7716] ? kernel_text_address+0xbd/0xf0 [ 69.891611][ T7716] ? __kernel_text_address+0x9/0x30 [ 69.896806][ T7716] ? unwind_get_return_address+0x51/0x90 [ 69.902868][ T7716] ? create_prof_cpu_mask+0x20/0x20 [ 69.908057][ T7716] ? arch_stack_walk+0x93/0xe0 [ 69.912822][ T7716] ? stack_trace_save+0x8c/0xc0 [ 69.917663][ T7716] ? stack_trace_consume_entry+0x160/0x160 [ 69.924023][ T7716] ? fs_reclaim_release+0x9c/0xf0 [ 69.929581][ T7716] ? lock_is_held_type+0xfa/0x130 [ 69.934712][ T7716] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 69.940248][ T7716] ? trace_kmalloc+0x32/0xf0 [ 69.944913][ T7716] ? kmem_cache_alloc_trace+0x20b/0x440 [ 69.950454][ T7716] rtnl_newlink+0x5a/0x90 [ 69.954765][ T7716] rtnetlink_rcv_msg+0x31d/0x8d0 [ 69.959767][ T7716] ? __dev_queue_xmit+0x14ef/0x2e20 [ 69.964941][ T7716] ? rtnl_newlink+0x90/0x90 [ 69.969818][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 69.975455][ T7716] ? netdev_core_pick_tx+0x290/0x290 [ 69.980737][ T7716] ? lock_acquire+0x150/0x5d0 [ 69.986215][ T7716] netlink_rcv_skb+0x118/0x370 [ 69.991074][ T7716] ? rtnl_newlink+0x90/0x90 [ 69.995858][ T7716] ? netlink_ack+0x930/0x930 [ 70.000738][ T7716] ? netlink_deliver_tap+0x130/0x9a0 [ 70.006245][ T7716] netlink_unicast+0x42e/0x700 [ 70.011432][ T7716] ? netlink_attachskb+0x750/0x750 [ 70.017310][ T7716] ? __build_skb_around+0x1f3/0x2b0 [ 70.023092][ T7716] netlink_sendmsg+0x704/0xbf0 [ 70.027972][ T7716] ? netlink_unicast+0x700/0x700 [ 70.032898][ T7716] ? netlink_unicast+0x700/0x700 [ 70.037825][ T7716] sock_sendmsg+0xab/0xe0 [ 70.042247][ T7716] ____sys_sendmsg+0x5bf/0x7a0 [ 70.047302][ T7716] ? kernel_sendmsg+0x30/0x30 [ 70.051973][ T7716] ? do_recvmmsg+0x550/0x550 [ 70.056563][ T7716] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 70.064007][ T7716] ___sys_sendmsg+0xd3/0x150 [ 70.068991][ T7716] ? sendmsg_copy_msghdr+0x110/0x110 [ 70.074346][ T7716] ? find_held_lock+0x2d/0x110 [ 70.079659][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 70.086417][ T7716] ? lock_release+0x424/0x7e0 [ 70.091710][ T7716] ? __fget_files+0x17c/0x2e0 [ 70.096880][ T7716] ? lock_downgrade+0x7b0/0x7b0 [ 70.102224][ T7716] ? find_held_lock+0x2d/0x110 [ 70.108250][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 70.116483][ T7716] ? lock_is_held_type+0xfa/0x130 [ 70.123290][ T7716] ? __fget_files+0x194/0x2e0 [ 70.129083][ T7716] ? __fget_light+0xbe/0x220 [ 70.134216][ T7716] __sys_sendmsg+0xb2/0x140 [ 70.139780][ T7716] ? __sys_sendmsg_sock+0x10/0x10 [ 70.145453][ T7716] ? check_preemption_disabled+0x36/0xd0 [ 70.151992][ T7716] ? syscall_enter_from_user_mode+0x1d/0x60 [ 70.159488][ T7716] ? lockdep_hardirqs_on+0x54/0x100 [ 70.169027][ T7716] do_syscall_64+0x35/0xb0 [ 70.174257][ T7716] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.181110][ T7716] RIP: 0033:0x464d29 [ 70.185441][ T7716] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 70.208865][ T7716] RSP: 002b:00007fec7b1a2188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.218707][ T7716] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 70.227640][ T7716] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 70.239014][ T7716] RBP: 00007fec7b1a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 70.247822][ T7716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 70.256420][ T7716] R13: 00007fff5779249f R14: 00007fec7b1a2300 R15: 0000000000022000 [ 70.390836][ T7716] A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. [ 70.432900][ T7729] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 70.800990][ T7733] FAULT_INJECTION: forcing a failure. [ 70.800990][ T7733] name failslab, interval 1, probability 0, space 0, times 0 [ 70.815565][ T7733] CPU: 1 PID: 7733 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 70.824247][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.834298][ T7733] Call Trace: [ 70.837751][ T7733] dump_stack_lvl+0xbd/0xe2 [ 70.842721][ T7733] should_fail.cold+0x5/0xa [ 70.847337][ T7733] should_failslab+0x5/0x10 [ 70.851854][ T7733] kmem_cache_alloc_node+0x60/0x540 [ 70.857153][ T7733] __alloc_skb+0x153/0x280 [ 70.861680][ T7733] rtmsg_ifa+0x142/0x220 [ 70.866014][ T7733] ? inet_fill_ifaddr+0xc30/0xc30 [ 70.871047][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 70.876924][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 70.882785][ T7733] __inet_del_ifa+0x380/0xcf0 [ 70.887470][ T7733] ? lock_is_held_type+0xfa/0x130 [ 70.893302][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 70.899111][ T7733] ? lock_is_held_type+0xfa/0x130 [ 70.904471][ T7733] inetdev_event+0x4e5/0x1190 [ 70.909578][ T7733] ? devinet_init_net+0x5b0/0x5b0 [ 70.914623][ T7733] ? _raw_spin_unlock_irqrestore+0x2d/0x90 [ 70.920540][ T7733] ? skb_dequeue+0x110/0x1a0 [ 70.925295][ T7733] notifier_call_chain+0x94/0x170 [ 70.930309][ T7733] __dev_change_net_namespace+0x373/0x1120 [ 70.936596][ T7733] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 70.942770][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 70.949271][ T7733] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 70.955174][ T7733] ? security_capable+0x4c/0x90 [ 70.960021][ T7733] ? ns_capable+0x4c/0xc0 [ 70.965096][ T7733] do_setlink+0x1d3/0x2cb0 [ 70.970230][ T7733] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 70.977206][ T7733] ? __kernel_text_address+0x9/0x30 [ 70.982892][ T7733] ? unwind_get_return_address+0x51/0x90 [ 70.989234][ T7733] ? rtnetlink_put_metrics+0x480/0x480 [ 70.995582][ T7733] ? mark_lock+0xf0/0x15f0 [ 71.000400][ T7733] ? mark_lock+0xf0/0x15f0 [ 71.005057][ T7733] ? __lock_acquire+0xbe2/0x52b0 [ 71.010808][ T7733] ? lock_chain_count+0x20/0x20 [ 71.016525][ T7733] ? memset+0x20/0x40 [ 71.020876][ T7733] ? __nla_validate_parse+0xb2/0x1fd0 [ 71.026423][ T7733] ? lock_chain_count+0x20/0x20 [ 71.031358][ T7733] ? __lock_acquire+0xbe2/0x52b0 [ 71.036592][ T7733] ? nla_get_range_signed+0x540/0x540 [ 71.042211][ T7733] ? __lock_acquire+0xbe2/0x52b0 [ 71.047263][ T7733] __rtnl_newlink+0xaca/0x13b0 [ 71.052493][ T7733] ? lock_is_held_type+0xfa/0x130 [ 71.057703][ T7733] ? rtnl_setlink+0x330/0x330 [ 71.063688][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 71.070734][ T7733] ? lock_release+0x424/0x7e0 [ 71.076757][ T7733] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.084545][ T7733] ? is_bpf_text_address+0x65/0xe0 [ 71.089653][ T7733] ? kernel_text_address+0xbd/0xf0 [ 71.094891][ T7733] ? __kernel_text_address+0x9/0x30 [ 71.100455][ T7733] ? unwind_get_return_address+0x51/0x90 [ 71.106198][ T7733] ? create_prof_cpu_mask+0x20/0x20 [ 71.111807][ T7733] ? arch_stack_walk+0x93/0xe0 [ 71.117279][ T7733] ? stack_trace_save+0x8c/0xc0 [ 71.122811][ T7733] ? stack_trace_consume_entry+0x160/0x160 [ 71.129906][ T7733] ? fs_reclaim_release+0x9c/0xf0 [ 71.135244][ T7733] ? lock_is_held_type+0xfa/0x130 [ 71.140780][ T7733] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 71.146639][ T7733] ? trace_kmalloc+0x32/0xf0 [ 71.151665][ T7733] ? kmem_cache_alloc_trace+0x20b/0x440 [ 71.158134][ T7733] rtnl_newlink+0x5a/0x90 [ 71.162717][ T7733] rtnetlink_rcv_msg+0x31d/0x8d0 [ 71.168449][ T7733] ? __dev_queue_xmit+0x14ef/0x2e20 [ 71.174091][ T7733] ? rtnl_newlink+0x90/0x90 [ 71.178850][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 71.184661][ T7733] ? netdev_core_pick_tx+0x290/0x290 [ 71.190033][ T7733] ? lock_acquire+0x150/0x5d0 [ 71.195575][ T7733] netlink_rcv_skb+0x118/0x370 [ 71.201148][ T7733] ? rtnl_newlink+0x90/0x90 [ 71.206075][ T7733] ? netlink_ack+0x930/0x930 [ 71.211457][ T7733] ? netlink_deliver_tap+0x130/0x9a0 [ 71.217307][ T7733] netlink_unicast+0x42e/0x700 [ 71.222435][ T7733] ? netlink_attachskb+0x750/0x750 [ 71.227858][ T7733] ? __build_skb_around+0x1f3/0x2b0 [ 71.233338][ T7733] netlink_sendmsg+0x704/0xbf0 [ 71.238450][ T7733] ? netlink_unicast+0x700/0x700 [ 71.243386][ T7733] ? netlink_unicast+0x700/0x700 [ 71.248428][ T7733] sock_sendmsg+0xab/0xe0 [ 71.252958][ T7733] ____sys_sendmsg+0x5bf/0x7a0 [ 71.258272][ T7733] ? kernel_sendmsg+0x30/0x30 [ 71.263369][ T7733] ? do_recvmmsg+0x550/0x550 [ 71.268298][ T7733] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 71.276656][ T7733] ___sys_sendmsg+0xd3/0x150 [ 71.281428][ T7733] ? sendmsg_copy_msghdr+0x110/0x110 [ 71.287235][ T7733] ? find_held_lock+0x2d/0x110 [ 71.292480][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 71.298283][ T7733] ? lock_release+0x424/0x7e0 [ 71.302977][ T7733] ? __fget_files+0x17c/0x2e0 [ 71.307676][ T7733] ? lock_downgrade+0x7b0/0x7b0 [ 71.312596][ T7733] ? find_held_lock+0x2d/0x110 [ 71.317773][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 71.324916][ T7733] ? lock_is_held_type+0xfa/0x130 [ 71.330062][ T7733] ? __fget_files+0x194/0x2e0 [ 71.334817][ T7733] ? __fget_light+0xbe/0x220 [ 71.339895][ T7733] __sys_sendmsg+0xb2/0x140 [ 71.344432][ T7733] ? __sys_sendmsg_sock+0x10/0x10 [ 71.349488][ T7733] ? check_preemption_disabled+0x36/0xd0 [ 71.355164][ T7733] ? syscall_enter_from_user_mode+0x1d/0x60 [ 71.361134][ T7733] ? lockdep_hardirqs_on+0x54/0x100 [ 71.366506][ T7733] do_syscall_64+0x35/0xb0 [ 71.370914][ T7733] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.377133][ T7733] RIP: 0033:0x464d29 [ 71.381026][ T7733] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 71.400608][ T7733] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.409110][ T7733] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 71.417453][ T7733] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 71.425609][ T7733] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 71.433589][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 71.441633][ T7733] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 71.531845][ T7751] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 71.726059][ T7757] FAULT_INJECTION: forcing a failure. [ 71.726059][ T7757] name failslab, interval 1, probability 0, space 0, times 0 [ 71.738895][ T7757] CPU: 1 PID: 7757 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 71.747666][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.758163][ T7757] Call Trace: [ 71.761456][ T7757] dump_stack_lvl+0xbd/0xe2 [ 71.765975][ T7757] should_fail.cold+0x5/0xa [ 71.770585][ T7757] should_failslab+0x5/0x10 [ 71.775218][ T7757] kmem_cache_alloc_node+0x60/0x540 [ 71.780436][ T7757] __alloc_skb+0x153/0x280 [ 71.784966][ T7757] __neigh_notify+0x7f/0x110 [ 71.789561][ T7757] neigh_cleanup_and_release+0x5a/0x220 [ 71.795111][ T7757] neigh_flush_dev+0x4a7/0x7e0 [ 71.799934][ T7757] ? lock_release+0x424/0x7e0 [ 71.805259][ T7757] __neigh_ifdown.isra.0+0x44/0x390 [ 71.810477][ T7757] ? __local_bh_enable_ip+0x11f/0x220 [ 71.815830][ T7757] ? rt6_disable_ip+0x491/0x6b0 [ 71.820680][ T7757] neigh_ifdown+0x7/0x10 [ 71.824906][ T7757] rt6_disable_ip+0x56c/0x6b0 [ 71.829742][ T7757] ? rt6_sync_down_dev+0x120/0x120 [ 71.834834][ T7757] ? mark_lock+0xf0/0x15f0 [ 71.839524][ T7757] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 71.844957][ T7757] ? lock_chain_count+0x20/0x20 [ 71.849806][ T7757] ? add_addr+0x2c0/0x2c0 [ 71.854238][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 71.859953][ T7757] ? lock_is_held_type+0xfa/0x130 [ 71.864977][ T7757] addrconf_notify+0x44f/0x1d40 [ 71.869835][ T7757] ? mark_held_locks+0x9f/0xe0 [ 71.874693][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 71.880500][ T7757] ? tls_device_sk_destruct+0x610/0x610 [ 71.886320][ T7757] ? clusterip_netdev_event+0x34e/0x550 [ 71.891866][ T7757] ? inet6_ifinfo_notify+0x100/0x100 [ 71.897327][ T7757] ? __local_bh_enable_ip+0x11f/0x220 [ 71.902691][ T7757] ? clusterip_netdev_event+0x34e/0x550 [ 71.908486][ T7757] notifier_call_chain+0x94/0x170 [ 71.913763][ T7757] dev_close_many+0x28c/0x560 [ 71.918516][ T7757] ? __lock_acquire+0xbe2/0x52b0 [ 71.923445][ T7757] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 71.929512][ T7757] __dev_change_net_namespace+0xb88/0x1120 [ 71.935394][ T7757] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 71.941021][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 71.946993][ T7757] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 71.952174][ T7757] ? security_capable+0x4c/0x90 [ 71.957094][ T7757] ? ns_capable+0x4c/0xc0 [ 71.961544][ T7757] do_setlink+0x1d3/0x2cb0 [ 71.965955][ T7757] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 71.972269][ T7757] ? __kernel_text_address+0x9/0x30 [ 71.977662][ T7757] ? unwind_get_return_address+0x51/0x90 [ 71.983463][ T7757] ? rtnetlink_put_metrics+0x480/0x480 [ 71.989069][ T7757] ? mark_lock+0xf0/0x15f0 [ 71.993503][ T7757] ? mark_lock+0xf0/0x15f0 [ 71.998318][ T7757] ? __lock_acquire+0xbe2/0x52b0 [ 72.003376][ T7757] ? lock_chain_count+0x20/0x20 [ 72.008594][ T7757] ? memset+0x20/0x40 [ 72.012667][ T7757] ? __nla_validate_parse+0xb2/0x1fd0 [ 72.018033][ T7757] ? lock_chain_count+0x20/0x20 [ 72.022956][ T7757] ? __lock_acquire+0xbe2/0x52b0 [ 72.027969][ T7757] ? nla_get_range_signed+0x540/0x540 [ 72.033374][ T7757] ? __lock_acquire+0xbe2/0x52b0 [ 72.038401][ T7757] __rtnl_newlink+0xaca/0x13b0 [ 72.044132][ T7757] ? lock_is_held_type+0xfa/0x130 [ 72.049256][ T7757] ? rtnl_setlink+0x330/0x330 [ 72.053955][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 72.060659][ T7757] ? lock_release+0x424/0x7e0 [ 72.065734][ T7757] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.072245][ T7757] ? is_bpf_text_address+0x65/0xe0 [ 72.077589][ T7757] ? kernel_text_address+0xbd/0xf0 [ 72.082876][ T7757] ? __kernel_text_address+0x9/0x30 [ 72.088364][ T7757] ? unwind_get_return_address+0x51/0x90 [ 72.094080][ T7757] ? create_prof_cpu_mask+0x20/0x20 [ 72.099847][ T7757] ? arch_stack_walk+0x93/0xe0 [ 72.105398][ T7757] ? stack_trace_save+0x8c/0xc0 [ 72.110625][ T7757] ? stack_trace_consume_entry+0x160/0x160 [ 72.117283][ T7757] ? fs_reclaim_release+0x9c/0xf0 [ 72.122493][ T7757] ? lock_is_held_type+0xfa/0x130 [ 72.127743][ T7757] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 72.133511][ T7757] ? trace_kmalloc+0x32/0xf0 [ 72.138394][ T7757] ? kmem_cache_alloc_trace+0x20b/0x440 [ 72.144137][ T7757] rtnl_newlink+0x5a/0x90 [ 72.149870][ T7757] rtnetlink_rcv_msg+0x31d/0x8d0 [ 72.155064][ T7757] ? __dev_queue_xmit+0x14ef/0x2e20 [ 72.161163][ T7757] ? rtnl_newlink+0x90/0x90 [ 72.166023][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 72.171857][ T7757] ? netdev_core_pick_tx+0x290/0x290 [ 72.177259][ T7757] ? lock_acquire+0x150/0x5d0 [ 72.183265][ T7757] netlink_rcv_skb+0x118/0x370 [ 72.188930][ T7757] ? rtnl_newlink+0x90/0x90 [ 72.193826][ T7757] ? netlink_ack+0x930/0x930 [ 72.198922][ T7757] ? netlink_deliver_tap+0x130/0x9a0 [ 72.204992][ T7757] netlink_unicast+0x42e/0x700 [ 72.210190][ T7757] ? netlink_attachskb+0x750/0x750 [ 72.215556][ T7757] ? __build_skb_around+0x1f3/0x2b0 [ 72.221209][ T7757] netlink_sendmsg+0x704/0xbf0 [ 72.225977][ T7757] ? netlink_unicast+0x700/0x700 [ 72.231101][ T7757] ? netlink_unicast+0x700/0x700 [ 72.236213][ T7757] sock_sendmsg+0xab/0xe0 [ 72.240568][ T7757] ____sys_sendmsg+0x5bf/0x7a0 [ 72.245408][ T7757] ? kernel_sendmsg+0x30/0x30 [ 72.250102][ T7757] ? do_recvmmsg+0x550/0x550 [ 72.254781][ T7757] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 72.260925][ T7757] ___sys_sendmsg+0xd3/0x150 [ 72.265647][ T7757] ? sendmsg_copy_msghdr+0x110/0x110 [ 72.271281][ T7757] ? find_held_lock+0x2d/0x110 [ 72.276634][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 72.282346][ T7757] ? lock_release+0x424/0x7e0 [ 72.287569][ T7757] ? __fget_files+0x17c/0x2e0 [ 72.292326][ T7757] ? lock_downgrade+0x7b0/0x7b0 [ 72.297353][ T7757] ? find_held_lock+0x2d/0x110 [ 72.302195][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 72.307948][ T7757] ? lock_is_held_type+0xfa/0x130 [ 72.313431][ T7757] ? __fget_files+0x194/0x2e0 [ 72.318979][ T7757] ? __fget_light+0xbe/0x220 [ 72.323572][ T7757] __sys_sendmsg+0xb2/0x140 [ 72.328443][ T7757] ? __sys_sendmsg_sock+0x10/0x10 [ 72.333571][ T7757] ? check_preemption_disabled+0x36/0xd0 [ 72.339365][ T7757] ? syscall_enter_from_user_mode+0x1d/0x60 [ 72.345474][ T7757] ? lockdep_hardirqs_on+0x54/0x100 [ 72.350852][ T7757] do_syscall_64+0x35/0xb0 [ 72.355446][ T7757] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.361383][ T7757] RIP: 0033:0x464d29 [ 72.365265][ T7757] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 72.385054][ T7757] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.393454][ T7757] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 72.401602][ T7757] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 72.409659][ T7757] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 72.417796][ T7757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 72.425752][ T7757] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 72.700103][ T7772] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 72.732521][ T7774] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 72.751540][ T7776] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 72.973295][ T7777] FAULT_INJECTION: forcing a failure. [ 72.973295][ T7777] name failslab, interval 1, probability 0, space 0, times 0 [ 72.986325][ T7777] CPU: 0 PID: 7777 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 72.994995][ T7777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.005074][ T7777] Call Trace: [ 73.008355][ T7777] dump_stack_lvl+0xbd/0xe2 [ 73.012860][ T7777] should_fail.cold+0x5/0xa [ 73.017361][ T7777] should_failslab+0x5/0x10 [ 73.021857][ T7777] kmem_cache_alloc_node+0x60/0x540 [ 73.027225][ T7777] __alloc_skb+0x153/0x280 [ 73.031639][ T7777] __neigh_notify+0x7f/0x110 [ 73.036261][ T7777] neigh_cleanup_and_release+0x5a/0x220 [ 73.042232][ T7777] neigh_flush_dev+0x4a7/0x7e0 [ 73.046996][ T7777] ? lock_release+0x424/0x7e0 [ 73.051789][ T7777] __neigh_ifdown.isra.0+0x44/0x390 [ 73.056989][ T7777] ? __local_bh_enable_ip+0x11f/0x220 [ 73.062356][ T7777] ? rt6_disable_ip+0x491/0x6b0 [ 73.067974][ T7777] neigh_ifdown+0x7/0x10 [ 73.072309][ T7777] rt6_disable_ip+0x56c/0x6b0 [ 73.077526][ T7777] ? rt6_sync_down_dev+0x120/0x120 [ 73.082632][ T7777] ? mark_lock+0xf0/0x15f0 [ 73.087213][ T7777] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 73.092603][ T7777] ? lock_chain_count+0x20/0x20 [ 73.097647][ T7777] ? add_addr+0x2c0/0x2c0 [ 73.102073][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.108214][ T7777] ? lock_is_held_type+0xfa/0x130 [ 73.113327][ T7777] addrconf_notify+0x44f/0x1d40 [ 73.118535][ T7777] ? mark_held_locks+0x9f/0xe0 [ 73.123406][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.129302][ T7777] ? tls_device_sk_destruct+0x610/0x610 [ 73.134971][ T7777] ? clusterip_netdev_event+0x34e/0x550 [ 73.141140][ T7777] ? inet6_ifinfo_notify+0x100/0x100 [ 73.146426][ T7777] ? __local_bh_enable_ip+0x11f/0x220 [ 73.151967][ T7777] ? clusterip_netdev_event+0x34e/0x550 [ 73.157590][ T7777] notifier_call_chain+0x94/0x170 [ 73.162608][ T7777] dev_close_many+0x28c/0x560 [ 73.167446][ T7777] ? __lock_acquire+0xbe2/0x52b0 [ 73.172469][ T7777] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 73.178638][ T7777] __dev_change_net_namespace+0xb88/0x1120 [ 73.184438][ T7777] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 73.190309][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.195943][ T7777] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 73.201137][ T7777] ? security_capable+0x4c/0x90 [ 73.206173][ T7777] ? ns_capable+0x4c/0xc0 [ 73.210504][ T7777] do_setlink+0x1d3/0x2cb0 [ 73.215007][ T7777] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 73.221076][ T7777] ? __kernel_text_address+0x9/0x30 [ 73.226351][ T7777] ? unwind_get_return_address+0x51/0x90 [ 73.231971][ T7777] ? rtnetlink_put_metrics+0x480/0x480 [ 73.237624][ T7777] ? mark_lock+0xf0/0x15f0 [ 73.242050][ T7777] ? mark_lock+0xf0/0x15f0 [ 73.246475][ T7777] ? __lock_acquire+0xbe2/0x52b0 [ 73.251451][ T7777] ? lock_chain_count+0x20/0x20 [ 73.256748][ T7777] ? memset+0x20/0x40 [ 73.260905][ T7777] ? __nla_validate_parse+0xb2/0x1fd0 [ 73.266553][ T7777] ? lock_chain_count+0x20/0x20 [ 73.271401][ T7777] ? __lock_acquire+0xbe2/0x52b0 [ 73.276432][ T7777] ? nla_get_range_signed+0x540/0x540 [ 73.281809][ T7777] ? __lock_acquire+0xbe2/0x52b0 [ 73.286747][ T7777] __rtnl_newlink+0xaca/0x13b0 [ 73.291776][ T7777] ? lock_is_held_type+0xfa/0x130 [ 73.297491][ T7777] ? rtnl_setlink+0x330/0x330 [ 73.302276][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.308196][ T7777] ? lock_release+0x424/0x7e0 [ 73.312875][ T7777] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.319678][ T7777] ? is_bpf_text_address+0x65/0xe0 [ 73.324801][ T7777] ? kernel_text_address+0xbd/0xf0 [ 73.330080][ T7777] ? __kernel_text_address+0x9/0x30 [ 73.335362][ T7777] ? unwind_get_return_address+0x51/0x90 [ 73.341256][ T7777] ? create_prof_cpu_mask+0x20/0x20 [ 73.346451][ T7777] ? arch_stack_walk+0x93/0xe0 [ 73.351222][ T7777] ? stack_trace_save+0x8c/0xc0 [ 73.356071][ T7777] ? stack_trace_consume_entry+0x160/0x160 [ 73.361921][ T7777] ? fs_reclaim_release+0x9c/0xf0 [ 73.366977][ T7777] ? lock_is_held_type+0xfa/0x130 [ 73.372005][ T7777] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 73.377546][ T7777] ? trace_kmalloc+0x32/0xf0 [ 73.382239][ T7777] ? kmem_cache_alloc_trace+0x20b/0x440 [ 73.387772][ T7777] rtnl_newlink+0x5a/0x90 [ 73.392096][ T7777] rtnetlink_rcv_msg+0x31d/0x8d0 [ 73.397038][ T7777] ? __dev_queue_xmit+0x14ef/0x2e20 [ 73.402415][ T7777] ? rtnl_newlink+0x90/0x90 [ 73.407081][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.412950][ T7777] ? netdev_core_pick_tx+0x290/0x290 [ 73.418477][ T7777] ? lock_acquire+0x150/0x5d0 [ 73.423478][ T7777] netlink_rcv_skb+0x118/0x370 [ 73.428229][ T7777] ? rtnl_newlink+0x90/0x90 [ 73.432726][ T7777] ? netlink_ack+0x930/0x930 [ 73.437569][ T7777] ? netlink_deliver_tap+0x130/0x9a0 [ 73.443102][ T7777] netlink_unicast+0x42e/0x700 [ 73.447930][ T7777] ? netlink_attachskb+0x750/0x750 [ 73.453119][ T7777] ? __build_skb_around+0x1f3/0x2b0 [ 73.458317][ T7777] netlink_sendmsg+0x704/0xbf0 [ 73.463203][ T7777] ? netlink_unicast+0x700/0x700 [ 73.468223][ T7777] ? netlink_unicast+0x700/0x700 [ 73.473321][ T7777] sock_sendmsg+0xab/0xe0 [ 73.477652][ T7777] ____sys_sendmsg+0x5bf/0x7a0 [ 73.482393][ T7777] ? kernel_sendmsg+0x30/0x30 [ 73.487046][ T7777] ? do_recvmmsg+0x550/0x550 [ 73.491736][ T7777] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 73.497715][ T7777] ___sys_sendmsg+0xd3/0x150 [ 73.502294][ T7777] ? sendmsg_copy_msghdr+0x110/0x110 [ 73.507703][ T7777] ? find_held_lock+0x2d/0x110 [ 73.512585][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.518447][ T7777] ? lock_release+0x424/0x7e0 [ 73.523226][ T7777] ? __fget_files+0x17c/0x2e0 [ 73.527982][ T7777] ? lock_downgrade+0x7b0/0x7b0 [ 73.532914][ T7777] ? find_held_lock+0x2d/0x110 [ 73.537805][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.543442][ T7777] ? lock_is_held_type+0xfa/0x130 [ 73.548460][ T7777] ? __fget_files+0x194/0x2e0 [ 73.553130][ T7777] ? __fget_light+0xbe/0x220 [ 73.557734][ T7777] __sys_sendmsg+0xb2/0x140 [ 73.562516][ T7777] ? __sys_sendmsg_sock+0x10/0x10 [ 73.567701][ T7777] ? check_preemption_disabled+0x36/0xd0 [ 73.573508][ T7777] ? syscall_enter_from_user_mode+0x1d/0x60 [ 73.579407][ T7777] ? lockdep_hardirqs_on+0x54/0x100 [ 73.584647][ T7777] do_syscall_64+0x35/0xb0 [ 73.589138][ T7777] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.595207][ T7777] RIP: 0033:0x464d29 [ 73.599091][ T7777] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 73.618873][ T7777] RSP: 002b:00007f5758f9a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.627367][ T7777] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 73.635502][ T7777] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 73.643552][ T7777] RBP: 00007f5758f9a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 73.652514][ T7777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 73.660603][ T7777] R13: 00007ffdede04d9f R14: 00007f5758f9a300 R15: 0000000000022000 [ 73.910438][ T7778] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 73.942775][ T7833] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 74.189636][ T7800] FAULT_INJECTION: forcing a failure. [ 74.189636][ T7800] name failslab, interval 1, probability 0, space 0, times 0 [ 74.203085][ T7800] CPU: 0 PID: 7800 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 74.212121][ T7800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.222479][ T7800] Call Trace: [ 74.225861][ T7800] dump_stack_lvl+0xbd/0xe2 [ 74.230484][ T7800] should_fail.cold+0x5/0xa [ 74.234990][ T7800] ? lock_acquire+0x212/0x5d0 [ 74.239759][ T7800] ? sctp_addr_wq_mgmt+0x224/0x6d0 [ 74.244963][ T7800] should_failslab+0x5/0x10 [ 74.249473][ T7800] __kmalloc_track_caller+0x7c/0x480 [ 74.254769][ T7800] kmemdup+0x1a/0x40 [ 74.258942][ T7800] sctp_addr_wq_mgmt+0x224/0x6d0 [ 74.264011][ T7800] sctp_inet6addr_event+0x1ec/0x980 [ 74.269321][ T7800] notifier_call_chain+0x94/0x170 [ 74.274403][ T7800] atomic_notifier_call_chain+0x54/0xf0 [ 74.279969][ T7800] addrconf_ifdown.isra.0+0x7b2/0x10e0 [ 74.285532][ T7800] ? add_addr+0x2c0/0x2c0 [ 74.289867][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.295502][ T7800] ? lock_is_held_type+0xfa/0x130 [ 74.300794][ T7800] addrconf_notify+0x44f/0x1d40 [ 74.305659][ T7800] ? mark_held_locks+0x9f/0xe0 [ 74.310430][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.316069][ T7800] ? tls_device_sk_destruct+0x610/0x610 [ 74.321637][ T7800] ? clusterip_netdev_event+0x34e/0x550 [ 74.327366][ T7800] ? inet6_ifinfo_notify+0x100/0x100 [ 74.332862][ T7800] ? __local_bh_enable_ip+0x11f/0x220 [ 74.338416][ T7800] ? clusterip_netdev_event+0x34e/0x550 [ 74.344265][ T7800] notifier_call_chain+0x94/0x170 [ 74.349307][ T7800] dev_close_many+0x28c/0x560 [ 74.354114][ T7800] ? __lock_acquire+0xbe2/0x52b0 [ 74.359145][ T7800] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 74.365887][ T7800] __dev_change_net_namespace+0xb88/0x1120 [ 74.371699][ T7800] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 74.377343][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.382988][ T7800] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 74.388204][ T7800] ? security_capable+0x4c/0x90 [ 74.393151][ T7800] ? ns_capable+0x4c/0xc0 [ 74.397770][ T7800] do_setlink+0x1d3/0x2cb0 [ 74.402185][ T7800] ? rtnetlink_put_metrics+0x480/0x480 [ 74.407835][ T7800] ? mark_lock+0xf0/0x15f0 [ 74.412237][ T7800] ? lock_chain_count+0x20/0x20 [ 74.418343][ T7800] ? lock_chain_count+0x20/0x20 [ 74.423314][ T7800] ? lock_is_held_type+0xd9/0x130 [ 74.428495][ T7800] ? memset+0x20/0x40 [ 74.432565][ T7800] ? __nla_validate_parse+0xb2/0x1fd0 [ 74.438217][ T7800] ? nla_get_range_signed+0x540/0x540 [ 74.443946][ T7800] ? __lock_acquire+0xbe2/0x52b0 [ 74.448904][ T7800] __rtnl_newlink+0xaca/0x13b0 [ 74.453688][ T7800] ? lock_is_held_type+0xfa/0x130 [ 74.458949][ T7800] ? rtnl_setlink+0x330/0x330 [ 74.463785][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.469409][ T7800] ? lock_release+0x424/0x7e0 [ 74.474184][ T7800] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.480369][ T7800] ? is_bpf_text_address+0x65/0xe0 [ 74.485481][ T7800] ? kernel_text_address+0xbd/0xf0 [ 74.490596][ T7800] ? __kernel_text_address+0x9/0x30 [ 74.495795][ T7800] ? unwind_get_return_address+0x51/0x90 [ 74.501692][ T7800] ? create_prof_cpu_mask+0x20/0x20 [ 74.507158][ T7800] ? arch_stack_walk+0x93/0xe0 [ 74.512290][ T7800] ? stack_trace_save+0x8c/0xc0 [ 74.517690][ T7800] ? stack_trace_consume_entry+0x160/0x160 [ 74.523505][ T7800] ? fs_reclaim_release+0x9c/0xf0 [ 74.528603][ T7800] ? lock_is_held_type+0xfa/0x130 [ 74.533621][ T7800] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 74.539158][ T7800] ? trace_kmalloc+0x32/0xf0 [ 74.543731][ T7800] ? kmem_cache_alloc_trace+0x20b/0x440 [ 74.549258][ T7800] rtnl_newlink+0x5a/0x90 [ 74.553584][ T7800] rtnetlink_rcv_msg+0x31d/0x8d0 [ 74.558666][ T7800] ? __dev_queue_xmit+0x14ef/0x2e20 [ 74.563973][ T7800] ? rtnl_newlink+0x90/0x90 [ 74.568647][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.574460][ T7800] ? netdev_core_pick_tx+0x290/0x290 [ 74.580214][ T7800] ? lock_acquire+0x150/0x5d0 [ 74.585334][ T7800] netlink_rcv_skb+0x118/0x370 [ 74.590083][ T7800] ? rtnl_newlink+0x90/0x90 [ 74.594666][ T7800] ? netlink_ack+0x930/0x930 [ 74.599271][ T7800] ? netlink_deliver_tap+0x130/0x9a0 [ 74.604572][ T7800] netlink_unicast+0x42e/0x700 [ 74.609454][ T7800] ? netlink_attachskb+0x750/0x750 [ 74.614583][ T7800] ? __build_skb_around+0x1f3/0x2b0 [ 74.619793][ T7800] netlink_sendmsg+0x704/0xbf0 [ 74.625028][ T7800] ? netlink_unicast+0x700/0x700 [ 74.630342][ T7800] ? netlink_unicast+0x700/0x700 [ 74.635474][ T7800] sock_sendmsg+0xab/0xe0 [ 74.639806][ T7800] ____sys_sendmsg+0x5bf/0x7a0 [ 74.644768][ T7800] ? kernel_sendmsg+0x30/0x30 [ 74.649602][ T7800] ? do_recvmmsg+0x550/0x550 [ 74.654830][ T7800] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 74.661085][ T7800] ___sys_sendmsg+0xd3/0x150 [ 74.665955][ T7800] ? sendmsg_copy_msghdr+0x110/0x110 [ 74.671829][ T7800] ? find_held_lock+0x2d/0x110 [ 74.676598][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.682323][ T7800] ? lock_release+0x424/0x7e0 [ 74.686994][ T7800] ? __fget_files+0x17c/0x2e0 [ 74.691662][ T7800] ? lock_downgrade+0x7b0/0x7b0 [ 74.696513][ T7800] ? find_held_lock+0x2d/0x110 [ 74.701448][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.707074][ T7800] ? lock_is_held_type+0xfa/0x130 [ 74.712676][ T7800] ? __fget_files+0x194/0x2e0 [ 74.717448][ T7800] ? __fget_light+0xbe/0x220 [ 74.722045][ T7800] __sys_sendmsg+0xb2/0x140 [ 74.726553][ T7800] ? __sys_sendmsg_sock+0x10/0x10 [ 74.731690][ T7800] ? check_preemption_disabled+0x36/0xd0 [ 74.737314][ T7800] ? syscall_enter_from_user_mode+0x1d/0x60 [ 74.743369][ T7800] ? lockdep_hardirqs_on+0x54/0x100 [ 74.748688][ T7800] do_syscall_64+0x35/0xb0 [ 74.753192][ T7800] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.759187][ T7800] RIP: 0033:0x464d29 [ 74.763075][ T7800] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 74.782779][ T7800] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.791184][ T7800] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 74.799243][ T7800] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 74.807221][ T7800] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 74.815183][ T7800] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 74.823400][ T7800] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 74.847814][ T7800] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.887337][ T7800] device bridge_slave_0 left promiscuous mode [ 74.904698][ T7800] bridge0: port 1(bridge_slave_0) entered disabled state 2021/07/12 15:32:22 executed programs: 53 [ 75.046555][ T7820] __nla_validate_parse: 1 callbacks suppressed [ 75.046565][ T7820] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 75.367719][ T7823] FAULT_INJECTION: forcing a failure. [ 75.367719][ T7823] name failslab, interval 1, probability 0, space 0, times 0 [ 75.380645][ T7823] CPU: 0 PID: 7823 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 75.389495][ T7823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.399894][ T7823] Call Trace: [ 75.403701][ T7823] dump_stack_lvl+0xbd/0xe2 [ 75.408316][ T7823] should_fail.cold+0x5/0xa [ 75.412888][ T7823] ? mark_held_locks+0x9f/0xe0 [ 75.417818][ T7823] should_failslab+0x5/0x10 [ 75.422456][ T7823] kmem_cache_alloc_node_trace+0x66/0x570 [ 75.428298][ T7823] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 75.433944][ T7823] __kmalloc_node_track_caller+0x38/0x60 [ 75.439571][ T7823] __alloc_skb+0x8b/0x280 [ 75.444023][ T7823] __neigh_notify+0x7f/0x110 [ 75.448607][ T7823] neigh_cleanup_and_release+0x5a/0x220 [ 75.454153][ T7823] neigh_flush_dev+0x4a7/0x7e0 [ 75.462095][ T7823] ? lock_release+0x424/0x7e0 [ 75.466869][ T7823] __neigh_ifdown.isra.0+0x44/0x390 [ 75.472598][ T7823] ? __local_bh_enable_ip+0x11f/0x220 [ 75.478255][ T7823] ? rt6_disable_ip+0x491/0x6b0 [ 75.483378][ T7823] neigh_ifdown+0x7/0x10 [ 75.487616][ T7823] rt6_disable_ip+0x56c/0x6b0 [ 75.492287][ T7823] ? rt6_sync_down_dev+0x120/0x120 [ 75.497388][ T7823] ? mark_lock+0xf0/0x15f0 [ 75.501928][ T7823] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 75.507396][ T7823] ? lock_chain_count+0x20/0x20 [ 75.512441][ T7823] ? add_addr+0x2c0/0x2c0 [ 75.516789][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.522501][ T7823] ? lock_is_held_type+0xfa/0x130 [ 75.527541][ T7823] addrconf_notify+0x44f/0x1d40 [ 75.532500][ T7823] ? mark_held_locks+0x9f/0xe0 [ 75.537250][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.542882][ T7823] ? tls_device_sk_destruct+0x610/0x610 [ 75.548605][ T7823] ? clusterip_netdev_event+0x34e/0x550 [ 75.554454][ T7823] ? inet6_ifinfo_notify+0x100/0x100 [ 75.559891][ T7823] ? __local_bh_enable_ip+0x11f/0x220 [ 75.565331][ T7823] ? clusterip_netdev_event+0x34e/0x550 [ 75.570862][ T7823] notifier_call_chain+0x94/0x170 [ 75.575986][ T7823] dev_close_many+0x28c/0x560 [ 75.580644][ T7823] ? __lock_acquire+0xbe2/0x52b0 [ 75.585747][ T7823] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 75.591810][ T7823] __dev_change_net_namespace+0xb88/0x1120 [ 75.597609][ T7823] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 75.603239][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.608853][ T7823] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 75.614060][ T7823] ? security_capable+0x4c/0x90 [ 75.618891][ T7823] ? ns_capable+0x4c/0xc0 [ 75.623363][ T7823] do_setlink+0x1d3/0x2cb0 [ 75.627761][ T7823] ? find_held_lock+0x2d/0x110 [ 75.632508][ T7823] ? rtnetlink_put_metrics+0x480/0x480 [ 75.637960][ T7823] ? lock_is_held_type+0xd9/0x130 [ 75.642975][ T7823] ? mark_lock+0xf0/0x15f0 [ 75.647388][ T7823] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 75.653014][ T7823] ? lock_chain_count+0x20/0x20 [ 75.657979][ T7823] ? mark_lock+0xf0/0x15f0 [ 75.662475][ T7823] ? memset+0x20/0x40 [ 75.666587][ T7823] ? __nla_validate_parse+0xb2/0x1fd0 [ 75.672234][ T7823] ? lock_is_held_type+0xd9/0x130 [ 75.677257][ T7823] ? nla_get_range_signed+0x540/0x540 [ 75.682703][ T7823] ? __lock_acquire+0xbe2/0x52b0 [ 75.687649][ T7823] __rtnl_newlink+0xaca/0x13b0 [ 75.692760][ T7823] ? lock_is_held_type+0xfa/0x130 [ 75.697854][ T7823] ? rtnl_setlink+0x330/0x330 [ 75.702506][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.708139][ T7823] ? lock_release+0x424/0x7e0 [ 75.712830][ T7823] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.718964][ T7823] ? is_bpf_text_address+0x65/0xe0 [ 75.724423][ T7823] ? kernel_text_address+0xbd/0xf0 [ 75.729521][ T7823] ? __kernel_text_address+0x9/0x30 [ 75.734718][ T7823] ? unwind_get_return_address+0x51/0x90 [ 75.740724][ T7823] ? create_prof_cpu_mask+0x20/0x20 [ 75.745995][ T7823] ? arch_stack_walk+0x93/0xe0 [ 75.750761][ T7823] ? stack_trace_save+0x8c/0xc0 [ 75.755610][ T7823] ? stack_trace_consume_entry+0x160/0x160 [ 75.761485][ T7823] ? fs_reclaim_release+0x9c/0xf0 [ 75.766783][ T7823] ? lock_is_held_type+0xfa/0x130 [ 75.771803][ T7823] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 75.777367][ T7823] ? trace_kmalloc+0x32/0xf0 [ 75.781968][ T7823] ? kmem_cache_alloc_trace+0x20b/0x440 [ 75.787526][ T7823] rtnl_newlink+0x5a/0x90 [ 75.792131][ T7823] rtnetlink_rcv_msg+0x31d/0x8d0 [ 75.797231][ T7823] ? __dev_queue_xmit+0x14ef/0x2e20 [ 75.802608][ T7823] ? rtnl_newlink+0x90/0x90 [ 75.807363][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.813158][ T7823] ? netdev_core_pick_tx+0x290/0x290 [ 75.818605][ T7823] ? lock_acquire+0x150/0x5d0 [ 75.823361][ T7823] netlink_rcv_skb+0x118/0x370 [ 75.828346][ T7823] ? rtnl_newlink+0x90/0x90 [ 75.832836][ T7823] ? netlink_ack+0x930/0x930 [ 75.837549][ T7823] ? netlink_deliver_tap+0x130/0x9a0 [ 75.842826][ T7823] netlink_unicast+0x42e/0x700 [ 75.847571][ T7823] ? netlink_attachskb+0x750/0x750 [ 75.852935][ T7823] ? __build_skb_around+0x1f3/0x2b0 [ 75.858133][ T7823] netlink_sendmsg+0x704/0xbf0 [ 75.862893][ T7823] ? netlink_unicast+0x700/0x700 [ 75.867923][ T7823] ? netlink_unicast+0x700/0x700 [ 75.872938][ T7823] sock_sendmsg+0xab/0xe0 [ 75.877248][ T7823] ____sys_sendmsg+0x5bf/0x7a0 [ 75.882387][ T7823] ? kernel_sendmsg+0x30/0x30 [ 75.887325][ T7823] ? do_recvmmsg+0x550/0x550 [ 75.892102][ T7823] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 75.898486][ T7823] ___sys_sendmsg+0xd3/0x150 [ 75.903162][ T7823] ? sendmsg_copy_msghdr+0x110/0x110 [ 75.908632][ T7823] ? find_held_lock+0x2d/0x110 [ 75.914574][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.920283][ T7823] ? lock_release+0x424/0x7e0 [ 75.925055][ T7823] ? __fget_files+0x17c/0x2e0 [ 75.930440][ T7823] ? lock_downgrade+0x7b0/0x7b0 [ 75.935584][ T7823] ? find_held_lock+0x2d/0x110 [ 75.940464][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.946190][ T7823] ? lock_is_held_type+0xfa/0x130 [ 75.951193][ T7823] ? __fget_files+0x194/0x2e0 [ 75.956036][ T7823] ? __fget_light+0xbe/0x220 [ 75.960766][ T7823] __sys_sendmsg+0xb2/0x140 [ 75.965255][ T7823] ? __sys_sendmsg_sock+0x10/0x10 [ 75.970403][ T7823] ? check_preemption_disabled+0x36/0xd0 [ 75.976280][ T7823] ? syscall_enter_from_user_mode+0x1d/0x60 [ 75.982419][ T7823] ? lockdep_hardirqs_on+0x54/0x100 [ 75.987628][ T7823] do_syscall_64+0x35/0xb0 [ 75.992028][ T7823] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.998061][ T7823] RIP: 0033:0x464d29 [ 76.001986][ T7823] 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 [ 76.021782][ T7823] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.030275][ T7823] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 76.038225][ T7823] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 76.046439][ T7823] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 76.054718][ T7823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 76.064988][ T7823] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 76.652130][ T7833] FAULT_INJECTION: forcing a failure. [ 76.652130][ T7833] name failslab, interval 1, probability 0, space 0, times 0 [ 76.670315][ T7833] CPU: 0 PID: 7833 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 76.679269][ T7833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.689833][ T7833] Call Trace: [ 76.693431][ T7833] dump_stack_lvl+0xbd/0xe2 [ 76.698124][ T7833] should_fail.cold+0x5/0xa [ 76.702619][ T7833] should_failslab+0x5/0x10 [ 76.707127][ T7833] kmem_cache_alloc_node+0x60/0x540 [ 76.712945][ T7833] ? mark_lock+0xf0/0x15f0 [ 76.717693][ T7833] __alloc_skb+0x153/0x280 [ 76.722364][ T7833] inet6_ifa_notify+0x112/0x1e0 [ 76.727425][ T7833] ? inet6_fill_ifaddr+0xbd0/0xbd0 [ 76.732789][ T7833] ? lock_release+0x424/0x7e0 [ 76.737644][ T7833] __ipv6_ifa_notify+0x13f/0x910 [ 76.742571][ T7833] ? modify_prefix_route+0x4f0/0x4f0 [ 76.747924][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 76.753700][ T7833] ? __local_bh_enable_ip+0x11f/0x220 [ 76.759303][ T7833] ? addrconf_ifdown.isra.0+0x78e/0x10e0 [ 76.764950][ T7833] addrconf_ifdown.isra.0+0x7a5/0x10e0 [ 76.770691][ T7833] ? add_addr+0x2c0/0x2c0 [ 76.775107][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 76.780728][ T7833] ? lock_is_held_type+0xfa/0x130 [ 76.785751][ T7833] addrconf_notify+0x44f/0x1d40 [ 76.790582][ T7833] ? mark_held_locks+0x9f/0xe0 [ 76.795499][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 76.801477][ T7833] ? tls_device_sk_destruct+0x610/0x610 [ 76.807017][ T7833] ? clusterip_netdev_event+0x34e/0x550 [ 76.812569][ T7833] ? inet6_ifinfo_notify+0x100/0x100 [ 76.818630][ T7833] ? __local_bh_enable_ip+0x11f/0x220 [ 76.824153][ T7833] ? clusterip_netdev_event+0x34e/0x550 [ 76.830251][ T7833] notifier_call_chain+0x94/0x170 [ 76.835515][ T7833] dev_close_many+0x28c/0x560 [ 76.840380][ T7833] ? __lock_acquire+0xbe2/0x52b0 [ 76.845686][ T7833] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 76.851758][ T7833] __dev_change_net_namespace+0xb88/0x1120 [ 76.857658][ T7833] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 76.863282][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 76.869005][ T7833] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 76.874567][ T7833] ? security_capable+0x4c/0x90 [ 76.879545][ T7833] ? ns_capable+0x4c/0xc0 [ 76.883904][ T7833] do_setlink+0x1d3/0x2cb0 [ 76.888528][ T7833] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 76.894505][ T7833] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 76.900466][ T7833] ? orc_sort_cmp+0xd0/0x140 [ 76.905046][ T7833] ? rtnetlink_put_metrics+0x480/0x480 [ 76.910492][ T7833] ? mark_lock+0xf0/0x15f0 [ 76.915077][ T7833] ? mark_lock+0xf0/0x15f0 [ 76.919498][ T7833] ? __lock_acquire+0xbe2/0x52b0 [ 76.924451][ T7833] ? lock_chain_count+0x20/0x20 [ 76.929288][ T7833] ? memset+0x20/0x40 [ 76.933290][ T7833] ? __nla_validate_parse+0xb2/0x1fd0 [ 76.938764][ T7833] ? lock_chain_count+0x20/0x20 [ 76.943690][ T7833] ? __lock_acquire+0xbe2/0x52b0 [ 76.948655][ T7833] ? nla_get_range_signed+0x540/0x540 [ 76.954559][ T7833] ? __lock_acquire+0xbe2/0x52b0 [ 76.959674][ T7833] __rtnl_newlink+0xaca/0x13b0 [ 76.964453][ T7833] ? lock_is_held_type+0xfa/0x130 [ 76.969493][ T7833] ? rtnl_setlink+0x330/0x330 [ 76.974159][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 76.979942][ T7833] ? lock_release+0x424/0x7e0 [ 76.984642][ T7833] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.991002][ T7833] ? is_bpf_text_address+0x65/0xe0 [ 76.996133][ T7833] ? kernel_text_address+0xbd/0xf0 [ 77.001417][ T7833] ? __kernel_text_address+0x9/0x30 [ 77.006594][ T7833] ? unwind_get_return_address+0x51/0x90 [ 77.012581][ T7833] ? create_prof_cpu_mask+0x20/0x20 [ 77.017762][ T7833] ? arch_stack_walk+0x93/0xe0 [ 77.022619][ T7833] ? stack_trace_save+0x8c/0xc0 [ 77.027459][ T7833] ? stack_trace_consume_entry+0x160/0x160 [ 77.033382][ T7833] ? fs_reclaim_release+0x9c/0xf0 [ 77.038399][ T7833] ? lock_is_held_type+0xfa/0x130 [ 77.043416][ T7833] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 77.048956][ T7833] ? trace_kmalloc+0x32/0xf0 [ 77.053542][ T7833] ? kmem_cache_alloc_trace+0x20b/0x440 [ 77.059373][ T7833] rtnl_newlink+0x5a/0x90 [ 77.064572][ T7833] rtnetlink_rcv_msg+0x31d/0x8d0 [ 77.069670][ T7833] ? rtnl_newlink+0x90/0x90 [ 77.074366][ T7833] ? lockdep_hardirqs_on_prepare+0x17b/0x450 [ 77.080622][ T7833] ? _raw_spin_unlock_irqrestore+0x40/0x90 [ 77.086414][ T7833] ? lockdep_hardirqs_on+0x54/0x100 [ 77.091698][ T7833] netlink_rcv_skb+0x118/0x370 [ 77.096622][ T7833] ? rtnl_newlink+0x90/0x90 [ 77.101494][ T7833] ? netlink_ack+0x930/0x930 [ 77.106128][ T7833] ? netlink_deliver_tap+0x130/0x9a0 [ 77.111415][ T7833] netlink_unicast+0x42e/0x700 [ 77.116607][ T7833] ? netlink_attachskb+0x750/0x750 [ 77.121698][ T7833] ? __build_skb_around+0x1f3/0x2b0 [ 77.126894][ T7833] netlink_sendmsg+0x704/0xbf0 [ 77.131830][ T7833] ? netlink_unicast+0x700/0x700 [ 77.137134][ T7833] ? netlink_unicast+0x700/0x700 [ 77.142163][ T7833] sock_sendmsg+0xab/0xe0 [ 77.146603][ T7833] ____sys_sendmsg+0x5bf/0x7a0 [ 77.151536][ T7833] ? kernel_sendmsg+0x30/0x30 [ 77.156284][ T7833] ? do_recvmmsg+0x550/0x550 [ 77.161344][ T7833] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 77.167307][ T7833] ___sys_sendmsg+0xd3/0x150 [ 77.171973][ T7833] ? sendmsg_copy_msghdr+0x110/0x110 [ 77.177615][ T7833] ? find_held_lock+0x2d/0x110 [ 77.182382][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 77.188262][ T7833] ? lock_release+0x424/0x7e0 [ 77.193111][ T7833] ? __fget_files+0x17c/0x2e0 [ 77.197951][ T7833] ? lock_downgrade+0x7b0/0x7b0 [ 77.203382][ T7833] ? find_held_lock+0x2d/0x110 [ 77.208154][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 77.213882][ T7833] ? lock_is_held_type+0xfa/0x130 [ 77.219083][ T7833] ? __fget_files+0x194/0x2e0 [ 77.223751][ T7833] ? __fget_light+0xbe/0x220 [ 77.228456][ T7833] __sys_sendmsg+0xb2/0x140 [ 77.232942][ T7833] ? __sys_sendmsg_sock+0x10/0x10 [ 77.238500][ T7833] ? check_preemption_disabled+0x36/0xd0 [ 77.244282][ T7833] ? syscall_enter_from_user_mode+0x1d/0x60 [ 77.250173][ T7833] ? lockdep_hardirqs_on+0x54/0x100 [ 77.255519][ T7833] do_syscall_64+0x35/0xb0 [ 77.260086][ T7833] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.266089][ T7833] RIP: 0033:0x464d29 [ 77.270113][ T7833] 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 [ 77.291147][ T7833] RSP: 002b:00007f5758fdc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.299539][ T7833] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 77.307507][ T7833] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 77.315650][ T7833] RBP: 00007f5758fdc1d0 R08: 0000000000000000 R09: 0000000000000000 [ 77.323600][ T7833] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 77.331649][ T7833] R13: 00007ffdede04d9f R14: 00007f5758fdc300 R15: 0000000000022000 [ 77.568177][ T7844] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 77.587267][ T7846] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 77.613546][ T7847] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 77.756108][ T7849] FAULT_INJECTION: forcing a failure. [ 77.756108][ T7849] name failslab, interval 1, probability 0, space 0, times 0 [ 77.774382][ T7849] CPU: 0 PID: 7849 Comm: syz-executor.0 Not tainted 5.14.0-rc1-syzkaller #0 [ 77.783236][ T7849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.794183][ T7849] Call Trace: [ 77.797466][ T7849] dump_stack_lvl+0xbd/0xe2 [ 77.801982][ T7849] should_fail.cold+0x5/0xa [ 77.806568][ T7849] should_failslab+0x5/0x10 [ 77.811208][ T7849] kmem_cache_alloc_node_trace+0x66/0x570 [ 77.817271][ T7849] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 77.822808][ T7849] __kmalloc_node_track_caller+0x38/0x60 [ 77.828429][ T7849] __alloc_skb+0x8b/0x280 [ 77.832757][ T7849] rtmsg_ifa+0x142/0x220 [ 77.837103][ T7849] ? inet_fill_ifaddr+0xc30/0xc30 [ 77.842726][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 77.848577][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 77.854868][ T7849] __inet_del_ifa+0x380/0xcf0 [ 77.859658][ T7849] ? lock_is_held_type+0xfa/0x130 [ 77.865176][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 77.871070][ T7849] ? lock_is_held_type+0xfa/0x130 [ 77.876083][ T7849] inetdev_event+0x4e5/0x1190 [ 77.880762][ T7849] ? devinet_init_net+0x5b0/0x5b0 [ 77.886141][ T7849] ? _raw_spin_unlock_irqrestore+0x2d/0x90 [ 77.892362][ T7849] ? skb_dequeue+0x110/0x1a0 [ 77.896956][ T7849] notifier_call_chain+0x94/0x170 [ 77.901983][ T7849] __dev_change_net_namespace+0x373/0x1120 [ 77.907774][ T7849] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 77.913403][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 77.919216][ T7849] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 77.924597][ T7849] ? security_capable+0x4c/0x90 [ 77.929607][ T7849] ? ns_capable+0x4c/0xc0 [ 77.934046][ T7849] do_setlink+0x1d3/0x2cb0 [ 77.938541][ T7849] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 77.944774][ T7849] ? __kernel_text_address+0x9/0x30 [ 77.949982][ T7849] ? unwind_get_return_address+0x51/0x90 [ 77.956768][ T7849] ? rtnetlink_put_metrics+0x480/0x480 [ 77.962222][ T7849] ? mark_lock+0xf0/0x15f0 [ 77.966813][ T7849] ? mark_lock+0xf0/0x15f0 [ 77.971208][ T7849] ? __lock_acquire+0xbe2/0x52b0 [ 77.976420][ T7849] ? lock_chain_count+0x20/0x20 [ 77.981260][ T7849] ? memset+0x20/0x40 [ 77.985234][ T7849] ? __nla_validate_parse+0xb2/0x1fd0 [ 77.990691][ T7849] ? lock_chain_count+0x20/0x20 [ 77.995586][ T7849] ? __lock_acquire+0xbe2/0x52b0 [ 78.000536][ T7849] ? nla_get_range_signed+0x540/0x540 [ 78.005908][ T7849] ? __lock_acquire+0xbe2/0x52b0 [ 78.011013][ T7849] __rtnl_newlink+0xaca/0x13b0 [ 78.015786][ T7849] ? lock_is_held_type+0xfa/0x130 [ 78.020890][ T7849] ? rtnl_setlink+0x330/0x330 [ 78.025570][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 78.031286][ T7849] ? lock_release+0x424/0x7e0 [ 78.035951][ T7849] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.042095][ T7849] ? is_bpf_text_address+0x65/0xe0 [ 78.047197][ T7849] ? kernel_text_address+0xbd/0xf0 [ 78.052387][ T7849] ? __kernel_text_address+0x9/0x30 [ 78.057667][ T7849] ? unwind_get_return_address+0x51/0x90 [ 78.064120][ T7849] ? create_prof_cpu_mask+0x20/0x20 [ 78.069313][ T7849] ? arch_stack_walk+0x93/0xe0 [ 78.074071][ T7849] ? stack_trace_save+0x8c/0xc0 [ 78.078901][ T7849] ? stack_trace_consume_entry+0x160/0x160 [ 78.084722][ T7849] ? fs_reclaim_release+0x9c/0xf0 [ 78.089884][ T7849] ? lock_is_held_type+0xfa/0x130 [ 78.095186][ T7849] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 78.100998][ T7849] ? trace_kmalloc+0x32/0xf0 [ 78.105690][ T7849] ? kmem_cache_alloc_trace+0x20b/0x440 [ 78.111302][ T7849] rtnl_newlink+0x5a/0x90 [ 78.115625][ T7849] rtnetlink_rcv_msg+0x31d/0x8d0 [ 78.120543][ T7849] ? __dev_queue_xmit+0x14ef/0x2e20 [ 78.125837][ T7849] ? rtnl_newlink+0x90/0x90 [ 78.130328][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 78.135946][ T7849] ? netdev_core_pick_tx+0x290/0x290 [ 78.141648][ T7849] ? lock_acquire+0x150/0x5d0 [ 78.146422][ T7849] netlink_rcv_skb+0x118/0x370 [ 78.151285][ T7849] ? rtnl_newlink+0x90/0x90 [ 78.155954][ T7849] ? netlink_ack+0x930/0x930 [ 78.160551][ T7849] ? netlink_deliver_tap+0x130/0x9a0 [ 78.166067][ T7849] netlink_unicast+0x42e/0x700 [ 78.170833][ T7849] ? netlink_attachskb+0x750/0x750 [ 78.175947][ T7849] ? __build_skb_around+0x1f3/0x2b0 [ 78.181147][ T7849] netlink_sendmsg+0x704/0xbf0 [ 78.185919][ T7849] ? netlink_unicast+0x700/0x700 [ 78.191236][ T7849] ? netlink_unicast+0x700/0x700 [ 78.196174][ T7849] sock_sendmsg+0xab/0xe0 [ 78.200586][ T7849] ____sys_sendmsg+0x5bf/0x7a0 [ 78.205330][ T7849] ? kernel_sendmsg+0x30/0x30 [ 78.210009][ T7849] ? do_recvmmsg+0x550/0x550 [ 78.214592][ T7849] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 78.220564][ T7849] ___sys_sendmsg+0xd3/0x150 [ 78.225259][ T7849] ? sendmsg_copy_msghdr+0x110/0x110 [ 78.230521][ T7849] ? find_held_lock+0x2d/0x110 [ 78.235289][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 78.240904][ T7849] ? lock_release+0x424/0x7e0 [ 78.245577][ T7849] ? __fget_files+0x17c/0x2e0 [ 78.250260][ T7849] ? lock_downgrade+0x7b0/0x7b0 [ 78.255294][ T7849] ? find_held_lock+0x2d/0x110 [ 78.260153][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 78.265951][ T7849] ? lock_is_held_type+0xfa/0x130 [ 78.270952][ T7849] ? __fget_files+0x194/0x2e0 [ 78.275628][ T7849] ? __fget_light+0xbe/0x220 [ 78.280211][ T7849] __sys_sendmsg+0xb2/0x140 [ 78.284710][ T7849] ? __sys_sendmsg_sock+0x10/0x10 [ 78.289863][ T7849] ? check_preemption_disabled+0x36/0xd0 [ 78.295499][ T7849] ? syscall_enter_from_user_mode+0x1d/0x60 [ 78.301372][ T7849] ? lockdep_hardirqs_on+0x54/0x100 [ 78.307000][ T7849] do_syscall_64+0x35/0xb0 [ 78.311486][ T7849] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.317442][ T7849] RIP: 0033:0x464d29 [ 78.321314][ T7849] 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 [ 78.341169][ T7849] RSP: 002b:00007f8c55d97188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.350116][ T7849] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 78.358075][ T7849] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 78.366297][ T7849] RBP: 00007f8c55d971d0 R08: 0000000000000000 R09: 0000000000000000 [ 78.374273][ T7849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 78.382318][ T7849] R13: 00007fff66a9b3bf R14: 00007f8c55d97300 R15: 0000000000022000 [ 78.587256][ T7851] FAULT_INJECTION: forcing a failure. [ 78.587256][ T7851] name failslab, interval 1, probability 0, space 0, times 0 [ 78.600905][ T7851] CPU: 0 PID: 7851 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 78.609758][ T7851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.619815][ T7851] Call Trace: [ 78.623189][ T7851] dump_stack_lvl+0xbd/0xe2 [ 78.627953][ T7851] should_fail.cold+0x5/0xa [ 78.632460][ T7851] ? mark_held_locks+0x9f/0xe0 [ 78.637225][ T7851] should_failslab+0x5/0x10 [ 78.641837][ T7851] kmem_cache_alloc_node_trace+0x66/0x570 [ 78.647562][ T7851] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 78.653380][ T7851] __kmalloc_node_track_caller+0x38/0x60 [ 78.659007][ T7851] __alloc_skb+0x8b/0x280 [ 78.663354][ T7851] inet6_ifa_notify+0x112/0x1e0 [ 78.668387][ T7851] ? inet6_fill_ifaddr+0xbd0/0xbd0 [ 78.673598][ T7851] ? lock_release+0x424/0x7e0 [ 78.678488][ T7851] __ipv6_ifa_notify+0x13f/0x910 [ 78.683432][ T7851] ? modify_prefix_route+0x4f0/0x4f0 [ 78.688725][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 78.694357][ T7851] ? __local_bh_enable_ip+0x11f/0x220 [ 78.699817][ T7851] ? addrconf_ifdown.isra.0+0x78e/0x10e0 [ 78.705727][ T7851] addrconf_ifdown.isra.0+0x7a5/0x10e0 [ 78.711213][ T7851] ? add_addr+0x2c0/0x2c0 [ 78.715555][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 78.721383][ T7851] ? lock_is_held_type+0xfa/0x130 [ 78.726410][ T7851] addrconf_notify+0x44f/0x1d40 [ 78.731335][ T7851] ? mark_held_locks+0x9f/0xe0 [ 78.736413][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 78.742036][ T7851] ? tls_device_sk_destruct+0x610/0x610 [ 78.747631][ T7851] ? clusterip_netdev_event+0x34e/0x550 [ 78.753320][ T7851] ? inet6_ifinfo_notify+0x100/0x100 [ 78.758583][ T7851] ? __local_bh_enable_ip+0x11f/0x220 [ 78.763938][ T7851] ? clusterip_netdev_event+0x34e/0x550 [ 78.769471][ T7851] notifier_call_chain+0x94/0x170 [ 78.774827][ T7851] dev_close_many+0x28c/0x560 [ 78.779666][ T7851] ? __lock_acquire+0xbe2/0x52b0 [ 78.784886][ T7851] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 78.790958][ T7851] __dev_change_net_namespace+0xb88/0x1120 [ 78.796776][ T7851] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 78.802508][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 78.808141][ T7851] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 78.813447][ T7851] ? security_capable+0x4c/0x90 [ 78.818576][ T7851] ? ns_capable+0x4c/0xc0 [ 78.823263][ T7851] do_setlink+0x1d3/0x2cb0 [ 78.827988][ T7851] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 78.834469][ T7851] ? __kernel_text_address+0x9/0x30 [ 78.839835][ T7851] ? unwind_get_return_address+0x51/0x90 [ 78.845470][ T7851] ? rtnetlink_put_metrics+0x480/0x480 [ 78.851114][ T7851] ? mark_lock+0xf0/0x15f0 [ 78.855533][ T7851] ? mark_lock+0xf0/0x15f0 [ 78.860055][ T7851] ? __lock_acquire+0xbe2/0x52b0 [ 78.865070][ T7851] ? lock_chain_count+0x20/0x20 [ 78.870031][ T7851] ? memset+0x20/0x40 [ 78.874550][ T7851] ? __nla_validate_parse+0xb2/0x1fd0 [ 78.879929][ T7851] ? lock_chain_count+0x20/0x20 [ 78.884818][ T7851] ? __lock_acquire+0xbe2/0x52b0 [ 78.890000][ T7851] ? nla_get_range_signed+0x540/0x540 [ 78.895845][ T7851] ? __lock_acquire+0xbe2/0x52b0 [ 78.901314][ T7851] __rtnl_newlink+0xaca/0x13b0 [ 78.906194][ T7851] ? lock_is_held_type+0xfa/0x130 [ 78.911477][ T7851] ? rtnl_setlink+0x330/0x330 [ 78.916206][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 78.922185][ T7851] ? lock_release+0x424/0x7e0 [ 78.926884][ T7851] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.933301][ T7851] ? is_bpf_text_address+0x65/0xe0 [ 78.938502][ T7851] ? kernel_text_address+0xbd/0xf0 [ 78.943702][ T7851] ? __kernel_text_address+0x9/0x30 [ 78.949214][ T7851] ? unwind_get_return_address+0x51/0x90 [ 78.955009][ T7851] ? create_prof_cpu_mask+0x20/0x20 [ 78.960470][ T7851] ? arch_stack_walk+0x93/0xe0 [ 78.965336][ T7851] ? stack_trace_save+0x8c/0xc0 [ 78.970171][ T7851] ? stack_trace_consume_entry+0x160/0x160 [ 78.975991][ T7851] ? fs_reclaim_release+0x9c/0xf0 [ 78.981008][ T7851] ? lock_is_held_type+0xfa/0x130 [ 78.986109][ T7851] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 78.991655][ T7851] ? trace_kmalloc+0x32/0xf0 [ 78.996428][ T7851] ? kmem_cache_alloc_trace+0x20b/0x440 [ 79.002079][ T7851] rtnl_newlink+0x5a/0x90 [ 79.006518][ T7851] rtnetlink_rcv_msg+0x31d/0x8d0 [ 79.011535][ T7851] ? __dev_queue_xmit+0x14ef/0x2e20 [ 79.016736][ T7851] ? rtnl_newlink+0x90/0x90 [ 79.021350][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 79.027329][ T7851] ? netdev_core_pick_tx+0x290/0x290 [ 79.032613][ T7851] ? lock_acquire+0x150/0x5d0 [ 79.037465][ T7851] netlink_rcv_skb+0x118/0x370 [ 79.042305][ T7851] ? rtnl_newlink+0x90/0x90 [ 79.046849][ T7851] ? netlink_ack+0x930/0x930 [ 79.051455][ T7851] ? netlink_deliver_tap+0x130/0x9a0 [ 79.057275][ T7851] netlink_unicast+0x42e/0x700 [ 79.062427][ T7851] ? netlink_attachskb+0x750/0x750 [ 79.067699][ T7851] ? __build_skb_around+0x1f3/0x2b0 [ 79.073110][ T7851] netlink_sendmsg+0x704/0xbf0 [ 79.077991][ T7851] ? netlink_unicast+0x700/0x700 [ 79.082921][ T7851] ? netlink_unicast+0x700/0x700 [ 79.087886][ T7851] sock_sendmsg+0xab/0xe0 [ 79.092388][ T7851] ____sys_sendmsg+0x5bf/0x7a0 [ 79.097133][ T7851] ? kernel_sendmsg+0x30/0x30 [ 79.101879][ T7851] ? do_recvmmsg+0x550/0x550 [ 79.106550][ T7851] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 79.112525][ T7851] ___sys_sendmsg+0xd3/0x150 [ 79.117289][ T7851] ? sendmsg_copy_msghdr+0x110/0x110 [ 79.122560][ T7851] ? find_held_lock+0x2d/0x110 [ 79.127321][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 79.133046][ T7851] ? lock_release+0x424/0x7e0 [ 79.137916][ T7851] ? __fget_files+0x17c/0x2e0 [ 79.142674][ T7851] ? lock_downgrade+0x7b0/0x7b0 [ 79.147522][ T7851] ? find_held_lock+0x2d/0x110 [ 79.152397][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 79.158286][ T7851] ? lock_is_held_type+0xfa/0x130 [ 79.163409][ T7851] ? __fget_files+0x194/0x2e0 [ 79.168195][ T7851] ? __fget_light+0xbe/0x220 [ 79.172901][ T7851] __sys_sendmsg+0xb2/0x140 [ 79.177394][ T7851] ? __sys_sendmsg_sock+0x10/0x10 [ 79.182513][ T7851] ? check_preemption_disabled+0x36/0xd0 [ 79.188151][ T7851] ? syscall_enter_from_user_mode+0x1d/0x60 [ 79.194266][ T7851] ? lockdep_hardirqs_on+0x54/0x100 [ 79.199469][ T7851] do_syscall_64+0x35/0xb0 [ 79.203917][ T7851] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.209800][ T7851] RIP: 0033:0x464d29 [ 79.213699][ T7851] 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 [ 79.234080][ T7851] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.242488][ T7851] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 79.250470][ T7851] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 79.259681][ T7851] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 79.267997][ T7851] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 79.276060][ T7851] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 79.553542][ T7877] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 79.778306][ T7881] bond0: (slave bond_slave_0): Releasing backup interface [ 79.851051][ T7881] FAULT_INJECTION: forcing a failure. [ 79.851051][ T7881] name failslab, interval 1, probability 0, space 0, times 0 [ 79.865742][ T7881] CPU: 0 PID: 7881 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 79.874646][ T7881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.884976][ T7881] Call Trace: [ 79.888267][ T7881] dump_stack_lvl+0xbd/0xe2 [ 79.892782][ T7881] should_fail.cold+0x5/0xa [ 79.897347][ T7881] should_failslab+0x5/0x10 [ 79.902126][ T7881] kmem_cache_alloc_node_trace+0x66/0x570 [ 79.907973][ T7881] ? memcpy+0x39/0x60 [ 79.912011][ T7881] __kmalloc_node_track_caller+0x38/0x60 [ 79.917675][ T7881] pskb_expand_head+0x11f/0xec0 [ 79.922696][ T7881] ? lock_is_held_type+0xfa/0x130 [ 79.928058][ T7881] netlink_trim+0x18f/0x1f0 [ 79.933808][ T7881] netlink_broadcast_filtered+0x58/0xac0 [ 79.939949][ T7881] ? memset+0x20/0x40 [ 79.944044][ T7881] ? rtmsg_ifinfo_build_skb+0xc3/0x160 [ 79.949512][ T7881] nlmsg_notify+0x60/0x1b0 [ 79.953923][ T7881] rtnetlink_event+0x143/0x1b0 [ 79.959197][ T7881] notifier_call_chain+0x94/0x170 [ 79.964291][ T7881] netdev_change_features+0x76/0xa0 [ 79.969615][ T7881] ? netdev_update_features+0xb0/0xb0 [ 79.975062][ T7881] ? synchronize_rcu+0x160/0x190 [ 79.979995][ T7881] bond_compute_features+0x535/0x920 [ 79.985463][ T7881] ? bond_fix_features+0x2c0/0x2c0 [ 79.990834][ T7881] ? ieee80211_tx_status_ext+0x15c0/0x2c20 [ 79.997070][ T7881] ? lock_is_held_type+0xfa/0x130 [ 80.002104][ T7881] __bond_release_one.cold+0x4e5/0xac2 [ 80.007712][ T7881] ? bond_enslave+0x4250/0x4250 [ 80.012583][ T7881] ? xsk_notifier+0x73/0x330 [ 80.017439][ T7881] ? __mutex_unlock_slowpath+0xe2/0x610 [ 80.023150][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.028778][ T7881] ? wait_for_completion_io+0x280/0x280 [ 80.034424][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.040676][ T7881] ? lock_is_held_type+0xfa/0x130 [ 80.045692][ T7881] bond_netdev_event+0x633/0x730 [ 80.050670][ T7881] notifier_call_chain+0x94/0x170 [ 80.055764][ T7881] __dev_change_net_namespace+0x373/0x1120 [ 80.061828][ T7881] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 80.067583][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.073284][ T7881] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 80.078546][ T7881] ? security_capable+0x4c/0x90 [ 80.083778][ T7881] ? ns_capable+0x4c/0xc0 [ 80.088093][ T7881] do_setlink+0x1d3/0x2cb0 [ 80.092605][ T7881] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 80.098648][ T7881] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 80.105747][ T7881] ? orc_sort_cmp+0xd0/0x140 [ 80.110316][ T7881] ? rtnetlink_put_metrics+0x480/0x480 [ 80.115771][ T7881] ? mark_lock+0xf0/0x15f0 [ 80.120271][ T7881] ? mark_lock+0xf0/0x15f0 [ 80.124758][ T7881] ? __lock_acquire+0xbe2/0x52b0 [ 80.129779][ T7881] ? lock_chain_count+0x20/0x20 [ 80.134825][ T7881] ? memset+0x20/0x40 [ 80.138777][ T7881] ? __nla_validate_parse+0xb2/0x1fd0 [ 80.144240][ T7881] ? lock_chain_count+0x20/0x20 [ 80.149063][ T7881] ? __lock_acquire+0xbe2/0x52b0 [ 80.153987][ T7881] ? nla_get_range_signed+0x540/0x540 [ 80.159434][ T7881] ? __lock_acquire+0xbe2/0x52b0 [ 80.164390][ T7881] __rtnl_newlink+0xaca/0x13b0 [ 80.169545][ T7881] ? lock_is_held_type+0xfa/0x130 [ 80.175134][ T7881] ? rtnl_setlink+0x330/0x330 [ 80.179800][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.185511][ T7881] ? lock_release+0x424/0x7e0 [ 80.190341][ T7881] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 80.196590][ T7881] ? is_bpf_text_address+0x65/0xe0 [ 80.201715][ T7881] ? kernel_text_address+0xbd/0xf0 [ 80.206888][ T7881] ? __kernel_text_address+0x9/0x30 [ 80.212161][ T7881] ? unwind_get_return_address+0x51/0x90 [ 80.217881][ T7881] ? create_prof_cpu_mask+0x20/0x20 [ 80.223056][ T7881] ? arch_stack_walk+0x93/0xe0 [ 80.227822][ T7881] ? stack_trace_save+0x8c/0xc0 [ 80.232834][ T7881] ? stack_trace_consume_entry+0x160/0x160 [ 80.238729][ T7881] ? fs_reclaim_release+0x9c/0xf0 [ 80.243734][ T7881] ? lock_is_held_type+0xfa/0x130 [ 80.248846][ T7881] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 80.254459][ T7881] ? trace_kmalloc+0x32/0xf0 [ 80.259283][ T7881] ? kmem_cache_alloc_trace+0x20b/0x440 [ 80.264976][ T7881] rtnl_newlink+0x5a/0x90 [ 80.269303][ T7881] rtnetlink_rcv_msg+0x31d/0x8d0 [ 80.274309][ T7881] ? __dev_queue_xmit+0x14ef/0x2e20 [ 80.280082][ T7881] ? rtnl_newlink+0x90/0x90 [ 80.284753][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.290358][ T7881] ? netdev_core_pick_tx+0x290/0x290 [ 80.295611][ T7881] ? lock_acquire+0x150/0x5d0 [ 80.300552][ T7881] netlink_rcv_skb+0x118/0x370 [ 80.305334][ T7881] ? rtnl_newlink+0x90/0x90 [ 80.309943][ T7881] ? netlink_ack+0x930/0x930 [ 80.314507][ T7881] ? netlink_deliver_tap+0x130/0x9a0 [ 80.319772][ T7881] netlink_unicast+0x42e/0x700 [ 80.324520][ T7881] ? netlink_attachskb+0x750/0x750 [ 80.329695][ T7881] ? __build_skb_around+0x1f3/0x2b0 [ 80.334870][ T7881] netlink_sendmsg+0x704/0xbf0 [ 80.339611][ T7881] ? netlink_unicast+0x700/0x700 [ 80.344753][ T7881] ? netlink_unicast+0x700/0x700 [ 80.349753][ T7881] sock_sendmsg+0xab/0xe0 [ 80.354096][ T7881] ____sys_sendmsg+0x5bf/0x7a0 [ 80.358836][ T7881] ? kernel_sendmsg+0x30/0x30 [ 80.363612][ T7881] ? do_recvmmsg+0x550/0x550 [ 80.368274][ T7881] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 80.374345][ T7881] ___sys_sendmsg+0xd3/0x150 [ 80.378911][ T7881] ? sendmsg_copy_msghdr+0x110/0x110 [ 80.384166][ T7881] ? find_held_lock+0x2d/0x110 [ 80.388997][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.394700][ T7881] ? lock_release+0x424/0x7e0 [ 80.399493][ T7881] ? __fget_files+0x17c/0x2e0 [ 80.404169][ T7881] ? lock_downgrade+0x7b0/0x7b0 [ 80.408998][ T7881] ? find_held_lock+0x2d/0x110 [ 80.413858][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.419487][ T7881] ? lock_is_held_type+0xfa/0x130 [ 80.424977][ T7881] ? __fget_files+0x194/0x2e0 [ 80.429721][ T7881] ? __fget_light+0xbe/0x220 [ 80.434292][ T7881] __sys_sendmsg+0xb2/0x140 [ 80.438786][ T7881] ? __sys_sendmsg_sock+0x10/0x10 [ 80.443798][ T7881] ? check_preemption_disabled+0x36/0xd0 [ 80.449513][ T7881] ? syscall_enter_from_user_mode+0x1d/0x60 [ 80.455389][ T7881] ? lockdep_hardirqs_on+0x54/0x100 [ 80.460660][ T7881] do_syscall_64+0x35/0xb0 [ 80.465060][ T7881] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 80.470922][ T7881] RIP: 0033:0x464d29 [ 80.474786][ T7881] 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 [ 80.494363][ T7881] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.503030][ T7881] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 80.510976][ T7881] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 80.519005][ T7881] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 80.526947][ T7881] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 80.534890][ T7881] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 2021/07/12 15:32:28 executed programs: 59 [ 80.638300][ T7902] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 80.897831][ T7906] FAULT_INJECTION: forcing a failure. [ 80.897831][ T7906] name failslab, interval 1, probability 0, space 0, times 0 [ 80.910772][ T7906] CPU: 0 PID: 7906 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 80.919630][ T7906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.930149][ T7906] Call Trace: [ 80.933434][ T7906] dump_stack_lvl+0xbd/0xe2 [ 80.937944][ T7906] should_fail.cold+0x5/0xa [ 80.942546][ T7906] should_failslab+0x5/0x10 [ 80.947140][ T7906] kmem_cache_alloc_node+0x60/0x540 [ 80.952597][ T7906] __alloc_skb+0x153/0x280 [ 80.957306][ T7906] __neigh_notify+0x7f/0x110 [ 80.961902][ T7906] neigh_cleanup_and_release+0x5a/0x220 [ 80.967481][ T7906] neigh_flush_dev+0x4a7/0x7e0 [ 80.972278][ T7906] ? lock_release+0x424/0x7e0 [ 80.976967][ T7906] __neigh_ifdown.isra.0+0x44/0x390 [ 80.982401][ T7906] ? __local_bh_enable_ip+0x11f/0x220 [ 80.988385][ T7906] ? rt6_disable_ip+0x491/0x6b0 [ 80.993375][ T7906] neigh_ifdown+0x7/0x10 [ 80.997624][ T7906] rt6_disable_ip+0x56c/0x6b0 [ 81.002373][ T7906] ? rt6_sync_down_dev+0x120/0x120 [ 81.007879][ T7906] ? mark_lock+0xf0/0x15f0 [ 81.012318][ T7906] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 81.017767][ T7906] ? lock_chain_count+0x20/0x20 [ 81.022984][ T7906] ? add_addr+0x2c0/0x2c0 [ 81.027386][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.033124][ T7906] ? lock_is_held_type+0xfa/0x130 [ 81.038247][ T7906] addrconf_notify+0x44f/0x1d40 [ 81.043184][ T7906] ? mark_held_locks+0x9f/0xe0 [ 81.048054][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.053848][ T7906] ? tls_device_sk_destruct+0x610/0x610 [ 81.059588][ T7906] ? clusterip_netdev_event+0x34e/0x550 [ 81.065477][ T7906] ? inet6_ifinfo_notify+0x100/0x100 [ 81.071642][ T7906] ? __local_bh_enable_ip+0x11f/0x220 [ 81.077098][ T7906] ? clusterip_netdev_event+0x34e/0x550 [ 81.082644][ T7906] notifier_call_chain+0x94/0x170 [ 81.087863][ T7906] dev_close_many+0x28c/0x560 [ 81.092884][ T7906] ? __lock_acquire+0xbe2/0x52b0 [ 81.098187][ T7906] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 81.104473][ T7906] __dev_change_net_namespace+0xb88/0x1120 [ 81.110456][ T7906] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 81.116134][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.121925][ T7906] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 81.127288][ T7906] ? security_capable+0x4c/0x90 [ 81.132142][ T7906] ? ns_capable+0x4c/0xc0 [ 81.136460][ T7906] do_setlink+0x1d3/0x2cb0 [ 81.141457][ T7906] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 81.147572][ T7906] ? __kernel_text_address+0x9/0x30 [ 81.152877][ T7906] ? unwind_get_return_address+0x51/0x90 [ 81.158596][ T7906] ? rtnetlink_put_metrics+0x480/0x480 [ 81.164247][ T7906] ? mark_lock+0xf0/0x15f0 [ 81.168650][ T7906] ? mark_lock+0xf0/0x15f0 [ 81.173243][ T7906] ? __lock_acquire+0xbe2/0x52b0 [ 81.178285][ T7906] ? lock_chain_count+0x20/0x20 [ 81.183132][ T7906] ? memset+0x20/0x40 [ 81.187135][ T7906] ? __nla_validate_parse+0xb2/0x1fd0 [ 81.192739][ T7906] ? lock_chain_count+0x20/0x20 [ 81.197862][ T7906] ? __lock_acquire+0xbe2/0x52b0 [ 81.203011][ T7906] ? nla_get_range_signed+0x540/0x540 [ 81.208389][ T7906] ? __lock_acquire+0xbe2/0x52b0 [ 81.213363][ T7906] __rtnl_newlink+0xaca/0x13b0 [ 81.218158][ T7906] ? lock_is_held_type+0xfa/0x130 [ 81.223281][ T7906] ? rtnl_setlink+0x330/0x330 [ 81.228044][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.233801][ T7906] ? lock_release+0x424/0x7e0 [ 81.239360][ T7906] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.245450][ T7906] ? is_bpf_text_address+0x65/0xe0 [ 81.250545][ T7906] ? kernel_text_address+0xbd/0xf0 [ 81.255680][ T7906] ? __kernel_text_address+0x9/0x30 [ 81.260866][ T7906] ? unwind_get_return_address+0x51/0x90 [ 81.266609][ T7906] ? create_prof_cpu_mask+0x20/0x20 [ 81.271811][ T7906] ? arch_stack_walk+0x93/0xe0 [ 81.276667][ T7906] ? stack_trace_save+0x8c/0xc0 [ 81.282041][ T7906] ? stack_trace_consume_entry+0x160/0x160 [ 81.288377][ T7906] ? fs_reclaim_release+0x9c/0xf0 [ 81.293599][ T7906] ? lock_is_held_type+0xfa/0x130 [ 81.299217][ T7906] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 81.304899][ T7906] ? trace_kmalloc+0x32/0xf0 [ 81.309753][ T7906] ? kmem_cache_alloc_trace+0x20b/0x440 [ 81.315384][ T7906] rtnl_newlink+0x5a/0x90 [ 81.319887][ T7906] rtnetlink_rcv_msg+0x31d/0x8d0 [ 81.324824][ T7906] ? __dev_queue_xmit+0x14ef/0x2e20 [ 81.330124][ T7906] ? rtnl_newlink+0x90/0x90 [ 81.334714][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.340648][ T7906] ? netdev_core_pick_tx+0x290/0x290 [ 81.346020][ T7906] ? lock_acquire+0x150/0x5d0 [ 81.350757][ T7906] netlink_rcv_skb+0x118/0x370 [ 81.356120][ T7906] ? rtnl_newlink+0x90/0x90 [ 81.360865][ T7906] ? netlink_ack+0x930/0x930 [ 81.365552][ T7906] ? netlink_deliver_tap+0x130/0x9a0 [ 81.371066][ T7906] netlink_unicast+0x42e/0x700 [ 81.376434][ T7906] ? netlink_attachskb+0x750/0x750 [ 81.381626][ T7906] ? __build_skb_around+0x1f3/0x2b0 [ 81.386907][ T7906] netlink_sendmsg+0x704/0xbf0 [ 81.391744][ T7906] ? netlink_unicast+0x700/0x700 [ 81.396851][ T7906] ? netlink_unicast+0x700/0x700 [ 81.401883][ T7906] sock_sendmsg+0xab/0xe0 [ 81.406283][ T7906] ____sys_sendmsg+0x5bf/0x7a0 [ 81.411084][ T7906] ? kernel_sendmsg+0x30/0x30 [ 81.415780][ T7906] ? do_recvmmsg+0x550/0x550 [ 81.420368][ T7906] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 81.426333][ T7906] ___sys_sendmsg+0xd3/0x150 [ 81.430905][ T7906] ? sendmsg_copy_msghdr+0x110/0x110 [ 81.436603][ T7906] ? find_held_lock+0x2d/0x110 [ 81.441539][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.447294][ T7906] ? lock_release+0x424/0x7e0 [ 81.452179][ T7906] ? __fget_files+0x17c/0x2e0 [ 81.456833][ T7906] ? lock_downgrade+0x7b0/0x7b0 [ 81.461833][ T7906] ? find_held_lock+0x2d/0x110 [ 81.466914][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.472616][ T7906] ? lock_is_held_type+0xfa/0x130 [ 81.477642][ T7906] ? __fget_files+0x194/0x2e0 [ 81.482643][ T7906] ? __fget_light+0xbe/0x220 [ 81.487235][ T7906] __sys_sendmsg+0xb2/0x140 [ 81.492274][ T7906] ? __sys_sendmsg_sock+0x10/0x10 [ 81.497869][ T7906] ? check_preemption_disabled+0x36/0xd0 [ 81.503498][ T7906] ? syscall_enter_from_user_mode+0x1d/0x60 [ 81.509497][ T7906] ? lockdep_hardirqs_on+0x54/0x100 [ 81.514870][ T7906] do_syscall_64+0x35/0xb0 [ 81.519287][ T7906] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 81.525246][ T7906] RIP: 0033:0x464d29 [ 81.529221][ T7906] 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 [ 81.549863][ T7906] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.558536][ T7906] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 81.566517][ T7906] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 81.575267][ T7906] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 81.583422][ T7906] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 81.591378][ T7906] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 81.868032][ T7918] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 81.900183][ T7927] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 81.933564][ T7928] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 81.986860][ T7952] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 82.059602][ T7977] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 82.641306][ T7981] FAULT_INJECTION: forcing a failure. [ 82.641306][ T7981] name failslab, interval 1, probability 0, space 0, times 0 [ 82.655029][ T7981] CPU: 1 PID: 7981 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 82.663708][ T7981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.673767][ T7981] Call Trace: [ 82.677047][ T7981] dump_stack_lvl+0xbd/0xe2 [ 82.681661][ T7981] should_fail.cold+0x5/0xa [ 82.686171][ T7981] ? lockdep_hardirqs_on_prepare+0x17b/0x450 [ 82.692160][ T7981] should_failslab+0x5/0x10 [ 82.696662][ T7981] kmem_cache_alloc_node+0x60/0x540 [ 82.701860][ T7981] ? rt6_nlmsg_size+0x136/0x1d0 [ 82.707106][ T7981] ? fib6_purge_rt+0x25b/0x690 [ 82.711969][ T7981] __alloc_skb+0x153/0x280 [ 82.716418][ T7981] inet6_rt_notify+0xd1/0x270 [ 82.721802][ T7981] fib6_del+0xccc/0x14e0 [ 82.726151][ T7981] ? fib6_locate+0xd0/0xd0 [ 82.730834][ T7981] ? lock_chain_count+0x20/0x20 [ 82.735975][ T7981] fib6_clean_node+0x2f7/0x4a0 [ 82.740831][ T7981] ? find_held_lock+0x2d/0x110 [ 82.745615][ T7981] ? fib6_del+0x14e0/0x14e0 [ 82.750138][ T7981] fib6_walk_continue+0x33c/0x720 [ 82.755163][ T7981] ? fib6_walk+0x160/0x330 [ 82.759748][ T7981] ? lockdep_hardirqs_on+0x54/0x100 [ 82.764957][ T7981] fib6_walk+0x168/0x330 [ 82.769205][ T7981] fib6_clean_tree+0xaa/0xe0 [ 82.773803][ T7981] ? fib6_walk+0x330/0x330 [ 82.778225][ T7981] ? fib6_del+0x14e0/0x14e0 [ 82.782994][ T7981] ? rwlock_bug.part.0+0x90/0x90 [ 82.787934][ T7981] ? fib6_ifup+0x260/0x260 [ 82.792703][ T7981] __fib6_clean_all+0xd8/0x1e0 [ 82.797728][ T7981] ? fib6_ifup+0x260/0x260 [ 82.802240][ T7981] rt6_disable_ip+0x5c0/0x6b0 [ 82.807101][ T7981] ? __lock_acquire+0x159d/0x52b0 [ 82.812303][ T7981] ? rt6_sync_down_dev+0x120/0x120 [ 82.817420][ T7981] ? mark_lock+0xf0/0x15f0 [ 82.822107][ T7981] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 82.827841][ T7981] ? lock_chain_count+0x20/0x20 [ 82.833581][ T7981] ? add_addr+0x2c0/0x2c0 [ 82.837927][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 82.843675][ T7981] ? lock_is_held_type+0xfa/0x130 [ 82.848710][ T7981] addrconf_notify+0x44f/0x1d40 [ 82.853581][ T7981] ? mark_held_locks+0x9f/0xe0 [ 82.858351][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 82.864074][ T7981] ? tls_device_sk_destruct+0x610/0x610 [ 82.869712][ T7981] ? clusterip_netdev_event+0x34e/0x550 [ 82.875425][ T7981] ? inet6_ifinfo_notify+0x100/0x100 [ 82.880788][ T7981] ? __local_bh_enable_ip+0x11f/0x220 [ 82.886159][ T7981] ? clusterip_netdev_event+0x34e/0x550 [ 82.891706][ T7981] notifier_call_chain+0x94/0x170 [ 82.896732][ T7981] dev_close_many+0x28c/0x560 [ 82.901577][ T7981] ? __lock_acquire+0xbe2/0x52b0 [ 82.906518][ T7981] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 82.912810][ T7981] __dev_change_net_namespace+0xb88/0x1120 [ 82.918599][ T7981] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 82.924308][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 82.929931][ T7981] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 82.935148][ T7981] ? security_capable+0x4c/0x90 [ 82.940260][ T7981] ? ns_capable+0x4c/0xc0 [ 82.944600][ T7981] do_setlink+0x1d3/0x2cb0 [ 82.949070][ T7981] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 82.955037][ T7981] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 82.961093][ T7981] ? orc_sort_cmp+0xd0/0x140 [ 82.965680][ T7981] ? rtnetlink_put_metrics+0x480/0x480 [ 82.971509][ T7981] ? mark_lock+0xf0/0x15f0 [ 82.975934][ T7981] ? mark_lock+0xf0/0x15f0 [ 82.980358][ T7981] ? __lock_acquire+0xbe2/0x52b0 [ 82.985284][ T7981] ? lock_chain_count+0x20/0x20 [ 82.990211][ T7981] ? memset+0x20/0x40 [ 82.994170][ T7981] ? __nla_validate_parse+0xb2/0x1fd0 [ 82.999695][ T7981] ? lock_chain_count+0x20/0x20 [ 83.004529][ T7981] ? __lock_acquire+0xbe2/0x52b0 [ 83.009456][ T7981] ? nla_get_range_signed+0x540/0x540 [ 83.015011][ T7981] ? __lock_acquire+0xbe2/0x52b0 [ 83.020233][ T7981] __rtnl_newlink+0xaca/0x13b0 [ 83.025083][ T7981] ? lock_is_held_type+0xfa/0x130 [ 83.030096][ T7981] ? rtnl_setlink+0x330/0x330 [ 83.034979][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 83.040615][ T7981] ? lock_release+0x424/0x7e0 [ 83.045310][ T7981] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.051391][ T7981] ? is_bpf_text_address+0x65/0xe0 [ 83.056490][ T7981] ? kernel_text_address+0xbd/0xf0 [ 83.062002][ T7981] ? __kernel_text_address+0x9/0x30 [ 83.068105][ T7981] ? unwind_get_return_address+0x51/0x90 [ 83.073773][ T7981] ? create_prof_cpu_mask+0x20/0x20 [ 83.079059][ T7981] ? arch_stack_walk+0x93/0xe0 [ 83.083820][ T7981] ? stack_trace_save+0x8c/0xc0 [ 83.088658][ T7981] ? stack_trace_consume_entry+0x160/0x160 [ 83.094486][ T7981] ? fs_reclaim_release+0x9c/0xf0 [ 83.099626][ T7981] ? lock_is_held_type+0xfa/0x130 [ 83.104829][ T7981] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 83.110384][ T7981] ? trace_kmalloc+0x32/0xf0 [ 83.115579][ T7981] ? kmem_cache_alloc_trace+0x20b/0x440 [ 83.121115][ T7981] rtnl_newlink+0x5a/0x90 [ 83.125432][ T7981] rtnetlink_rcv_msg+0x31d/0x8d0 [ 83.130549][ T7981] ? __dev_queue_xmit+0x14ef/0x2e20 [ 83.135775][ T7981] ? rtnl_newlink+0x90/0x90 [ 83.140350][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 83.146229][ T7981] ? netdev_core_pick_tx+0x290/0x290 [ 83.151662][ T7981] ? lock_acquire+0x150/0x5d0 [ 83.156586][ T7981] netlink_rcv_skb+0x118/0x370 [ 83.161392][ T7981] ? rtnl_newlink+0x90/0x90 [ 83.166195][ T7981] ? netlink_ack+0x930/0x930 [ 83.171369][ T7981] ? netlink_deliver_tap+0x130/0x9a0 [ 83.176940][ T7981] netlink_unicast+0x42e/0x700 [ 83.181708][ T7981] ? netlink_attachskb+0x750/0x750 [ 83.187049][ T7981] ? __build_skb_around+0x1f3/0x2b0 [ 83.192698][ T7981] netlink_sendmsg+0x704/0xbf0 [ 83.197796][ T7981] ? netlink_unicast+0x700/0x700 [ 83.202732][ T7981] ? netlink_unicast+0x700/0x700 [ 83.207666][ T7981] sock_sendmsg+0xab/0xe0 [ 83.211983][ T7981] ____sys_sendmsg+0x5bf/0x7a0 [ 83.216824][ T7981] ? kernel_sendmsg+0x30/0x30 [ 83.221841][ T7981] ? do_recvmmsg+0x550/0x550 [ 83.226641][ T7981] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 83.232770][ T7981] ___sys_sendmsg+0xd3/0x150 [ 83.237536][ T7981] ? sendmsg_copy_msghdr+0x110/0x110 [ 83.242811][ T7981] ? find_held_lock+0x2d/0x110 [ 83.247557][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 83.253177][ T7981] ? lock_release+0x424/0x7e0 [ 83.257844][ T7981] ? __fget_files+0x17c/0x2e0 [ 83.262520][ T7981] ? lock_downgrade+0x7b0/0x7b0 [ 83.267348][ T7981] ? find_held_lock+0x2d/0x110 [ 83.272088][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 83.277904][ T7981] ? lock_is_held_type+0xfa/0x130 [ 83.283399][ T7981] ? __fget_files+0x194/0x2e0 [ 83.288070][ T7981] ? __fget_light+0xbe/0x220 [ 83.292670][ T7981] __sys_sendmsg+0xb2/0x140 [ 83.297387][ T7981] ? __sys_sendmsg_sock+0x10/0x10 [ 83.302651][ T7981] ? check_preemption_disabled+0x36/0xd0 [ 83.308448][ T7981] ? syscall_enter_from_user_mode+0x1d/0x60 [ 83.314341][ T7981] ? lockdep_hardirqs_on+0x54/0x100 [ 83.319712][ T7981] do_syscall_64+0x35/0xb0 [ 83.324159][ T7981] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 83.330722][ T7981] RIP: 0033:0x464d29 [ 83.334612][ 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 [ 83.354693][ T7981] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 83.363201][ T7981] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 83.371266][ T7981] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 83.379410][ T7981] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 83.387811][ T7981] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 83.395854][ T7981] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 83.531467][ T7981] team0: Port device team_slave_0 removed [ 83.629676][ T8011] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 84.008043][ T8004] FAULT_INJECTION: forcing a failure. [ 84.008043][ T8004] name failslab, interval 1, probability 0, space 0, times 0 [ 84.020949][ T8004] CPU: 1 PID: 8004 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 84.029648][ T8004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.039819][ T8004] Call Trace: [ 84.043445][ T8004] dump_stack_lvl+0xbd/0xe2 [ 84.048071][ T8004] should_fail.cold+0x5/0xa [ 84.052760][ T8004] ? mark_held_locks+0x9f/0xe0 [ 84.057507][ T8004] should_failslab+0x5/0x10 [ 84.062426][ T8004] kmem_cache_alloc_node_trace+0x66/0x570 [ 84.068279][ T8004] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 84.074084][ T8004] __kmalloc_node_track_caller+0x38/0x60 [ 84.080173][ T8004] __alloc_skb+0x8b/0x280 [ 84.084882][ T8004] __neigh_notify+0x7f/0x110 [ 84.089761][ T8004] neigh_cleanup_and_release+0x5a/0x220 [ 84.096390][ T8004] neigh_flush_dev+0x4a7/0x7e0 [ 84.101763][ T8004] ? lock_release+0x424/0x7e0 [ 84.106616][ T8004] __neigh_ifdown.isra.0+0x44/0x390 [ 84.112017][ T8004] ? __local_bh_enable_ip+0x11f/0x220 [ 84.117589][ T8004] ? rt6_disable_ip+0x491/0x6b0 [ 84.122455][ T8004] neigh_ifdown+0x7/0x10 [ 84.127125][ T8004] rt6_disable_ip+0x56c/0x6b0 [ 84.131802][ T8004] ? rt6_sync_down_dev+0x120/0x120 [ 84.137104][ T8004] ? mark_lock+0xf0/0x15f0 [ 84.141594][ T8004] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 84.147176][ T8004] ? lock_chain_count+0x20/0x20 [ 84.152433][ T8004] ? add_addr+0x2c0/0x2c0 [ 84.156791][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.162521][ T8004] ? lock_is_held_type+0xfa/0x130 [ 84.167943][ T8004] addrconf_notify+0x44f/0x1d40 [ 84.173663][ T8004] ? mark_held_locks+0x9f/0xe0 [ 84.188061][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.193869][ T8004] ? tls_device_sk_destruct+0x610/0x610 [ 84.199529][ T8004] ? clusterip_netdev_event+0x34e/0x550 [ 84.205054][ T8004] ? inet6_ifinfo_notify+0x100/0x100 [ 84.210351][ T8004] ? __local_bh_enable_ip+0x11f/0x220 [ 84.215907][ T8004] ? clusterip_netdev_event+0x34e/0x550 [ 84.221624][ T8004] notifier_call_chain+0x94/0x170 [ 84.226648][ T8004] dev_close_many+0x28c/0x560 [ 84.231480][ T8004] ? __lock_acquire+0xbe2/0x52b0 [ 84.236585][ T8004] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 84.242757][ T8004] __dev_change_net_namespace+0xb88/0x1120 [ 84.248565][ T8004] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 84.254194][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.259825][ T8004] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 84.265132][ T8004] ? security_capable+0x4c/0x90 [ 84.270040][ T8004] ? ns_capable+0x4c/0xc0 [ 84.274381][ T8004] do_setlink+0x1d3/0x2cb0 [ 84.279137][ T8004] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 84.285465][ T8004] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 84.291874][ T8004] ? orc_sort_cmp+0xd0/0x140 [ 84.296714][ T8004] ? rtnetlink_put_metrics+0x480/0x480 [ 84.302171][ T8004] ? mark_lock+0xf0/0x15f0 [ 84.306582][ T8004] ? mark_lock+0xf0/0x15f0 [ 84.311171][ T8004] ? __lock_acquire+0xbe2/0x52b0 [ 84.316193][ T8004] ? lock_chain_count+0x20/0x20 [ 84.321173][ T8004] ? memset+0x20/0x40 [ 84.325491][ T8004] ? __nla_validate_parse+0xb2/0x1fd0 [ 84.330974][ T8004] ? lock_chain_count+0x20/0x20 [ 84.335997][ T8004] ? __lock_acquire+0xbe2/0x52b0 [ 84.341019][ T8004] ? nla_get_range_signed+0x540/0x540 [ 84.346928][ T8004] ? __lock_acquire+0xbe2/0x52b0 [ 84.352056][ T8004] __rtnl_newlink+0xaca/0x13b0 [ 84.356817][ T8004] ? lock_is_held_type+0xfa/0x130 [ 84.361948][ T8004] ? rtnl_setlink+0x330/0x330 [ 84.366919][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.372556][ T8004] ? lock_release+0x424/0x7e0 [ 84.377252][ T8004] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.383332][ T8004] ? is_bpf_text_address+0x65/0xe0 [ 84.388441][ T8004] ? kernel_text_address+0xbd/0xf0 [ 84.393641][ T8004] ? __kernel_text_address+0x9/0x30 [ 84.399034][ T8004] ? unwind_get_return_address+0x51/0x90 [ 84.404650][ T8004] ? create_prof_cpu_mask+0x20/0x20 [ 84.410034][ T8004] ? arch_stack_walk+0x93/0xe0 [ 84.414968][ T8004] ? stack_trace_save+0x8c/0xc0 [ 84.420227][ T8004] ? stack_trace_consume_entry+0x160/0x160 [ 84.426644][ T8004] ? fs_reclaim_release+0x9c/0xf0 [ 84.431666][ T8004] ? lock_is_held_type+0xfa/0x130 [ 84.436974][ T8004] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 84.442695][ T8004] ? trace_kmalloc+0x32/0xf0 [ 84.447763][ T8004] ? kmem_cache_alloc_trace+0x20b/0x440 [ 84.453545][ T8004] rtnl_newlink+0x5a/0x90 [ 84.458072][ T8004] rtnetlink_rcv_msg+0x31d/0x8d0 [ 84.463147][ T8004] ? __dev_queue_xmit+0x14ef/0x2e20 [ 84.468624][ T8004] ? rtnl_newlink+0x90/0x90 [ 84.473126][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.478760][ T8004] ? netdev_core_pick_tx+0x290/0x290 [ 84.484059][ T8004] ? lock_acquire+0x150/0x5d0 [ 84.488733][ T8004] netlink_rcv_skb+0x118/0x370 [ 84.494544][ T8004] ? rtnl_newlink+0x90/0x90 [ 84.499302][ T8004] ? netlink_ack+0x930/0x930 [ 84.504797][ T8004] ? netlink_deliver_tap+0x130/0x9a0 [ 84.510451][ T8004] netlink_unicast+0x42e/0x700 [ 84.515374][ T8004] ? netlink_attachskb+0x750/0x750 [ 84.520834][ T8004] ? __build_skb_around+0x1f3/0x2b0 [ 84.526439][ T8004] netlink_sendmsg+0x704/0xbf0 [ 84.531256][ T8004] ? netlink_unicast+0x700/0x700 [ 84.536214][ T8004] ? netlink_unicast+0x700/0x700 [ 84.541346][ T8004] sock_sendmsg+0xab/0xe0 [ 84.545679][ T8004] ____sys_sendmsg+0x5bf/0x7a0 [ 84.550674][ T8004] ? kernel_sendmsg+0x30/0x30 [ 84.555432][ T8004] ? do_recvmmsg+0x550/0x550 [ 84.560104][ T8004] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 84.566448][ T8004] ___sys_sendmsg+0xd3/0x150 [ 84.571044][ T8004] ? sendmsg_copy_msghdr+0x110/0x110 [ 84.576405][ T8004] ? find_held_lock+0x2d/0x110 [ 84.581159][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.586781][ T8004] ? lock_release+0x424/0x7e0 [ 84.591504][ T8004] ? __fget_files+0x17c/0x2e0 [ 84.596171][ T8004] ? lock_downgrade+0x7b0/0x7b0 [ 84.601180][ T8004] ? find_held_lock+0x2d/0x110 [ 84.605931][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.611738][ T8004] ? lock_is_held_type+0xfa/0x130 [ 84.616762][ T8004] ? __fget_files+0x194/0x2e0 [ 84.621449][ T8004] ? __fget_light+0xbe/0x220 [ 84.626201][ T8004] __sys_sendmsg+0xb2/0x140 [ 84.630875][ T8004] ? __sys_sendmsg_sock+0x10/0x10 [ 84.635900][ T8004] ? check_preemption_disabled+0x36/0xd0 [ 84.641526][ T8004] ? syscall_enter_from_user_mode+0x1d/0x60 [ 84.647410][ T8004] ? lockdep_hardirqs_on+0x54/0x100 [ 84.652596][ T8004] do_syscall_64+0x35/0xb0 [ 84.657003][ T8004] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 84.662900][ T8004] RIP: 0033:0x464d29 [ 84.666778][ T8004] 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 [ 84.686805][ T8004] RSP: 002b:00007fcd629a9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.695196][ T8004] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 84.703320][ T8004] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000007 [ 84.711312][ T8004] RBP: 00007fcd629a91d0 R08: 0000000000000000 R09: 0000000000000000 [ 84.719374][ T8004] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 84.727420][ T8004] R13: 00007ffe64b3a7ff R14: 00007fcd629a9300 R15: 0000000000022000 [ 84.999960][ T8016] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 85.017164][ T8022] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 85.029017][ T8023] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 85.318701][ T8045] FAULT_INJECTION: forcing a failure. [ 85.318701][ T8045] name failslab, interval 1, probability 0, space 0, times 0 [ 85.331640][ T8045] CPU: 0 PID: 8045 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 85.340561][ T8045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.350874][ T8045] Call Trace: [ 85.354272][ T8045] dump_stack_lvl+0xbd/0xe2 [ 85.358823][ T8045] should_fail.cold+0x5/0xa [ 85.363475][ T8045] ? switchdev_deferred_enqueue+0x22/0x1f0 [ 85.369423][ T8045] should_failslab+0x5/0x10 [ 85.374277][ T8045] __kmalloc+0x79/0x470 [ 85.378521][ T8045] ? switchdev_port_attr_notify.constprop.0+0x110/0x110 [ 85.385460][ T8045] switchdev_deferred_enqueue+0x22/0x1f0 [ 85.391080][ T8045] br_set_state+0x168/0x1d0 [ 85.395565][ T8045] ? br_designated_port_selection+0x6c0/0x6c0 [ 85.401645][ T8045] ? lock_release+0x7e0/0x7e0 [ 85.406305][ T8045] ? do_raw_spin_lock+0x120/0x2b0 [ 85.411326][ T8045] ? rwlock_bug.part.0+0x90/0x90 [ 85.416243][ T8045] ? check_preemption_disabled+0x36/0xd0 [ 85.422822][ T8045] br_stp_disable_port+0x5e/0x1a0 [ 85.427836][ T8045] br_device_event+0x60c/0x710 [ 85.432723][ T8045] ? br_net_exit+0x170/0x170 [ 85.437326][ T8045] ? packet_notifier+0x376/0x6a0 [ 85.442371][ T8045] notifier_call_chain+0x94/0x170 [ 85.447409][ T8045] dev_close_many+0x28c/0x560 [ 85.452084][ T8045] ? __lock_acquire+0xbe2/0x52b0 [ 85.457094][ T8045] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 85.463331][ T8045] __dev_change_net_namespace+0xb88/0x1120 [ 85.469124][ T8045] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 85.474978][ T8045] ? check_preemption_disabled+0x36/0xd0 [ 85.480926][ T8045] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 85.486119][ T8045] ? security_capable+0x4c/0x90 [ 85.491140][ T8045] ? ns_capable+0x4c/0xc0 [ 85.495643][ T8045] do_setlink+0x1d3/0x2cb0 [ 85.500090][ T8045] ? rtnetlink_put_metrics+0x480/0x480 [ 85.505722][ T8045] ? mark_lock+0xf0/0x15f0 [ 85.510299][ T8045] ? lock_chain_count+0x20/0x20 [ 85.515315][ T8045] ? lock_chain_count+0x20/0x20 [ 85.520153][ T8045] ? lock_is_held_type+0xd9/0x130 [ 85.525172][ T8045] ? memset+0x20/0x40 [ 85.529184][ T8045] ? __nla_validate_parse+0xb2/0x1fd0 [ 85.534738][ T8045] ? nla_get_range_signed+0x540/0x540 [ 85.540508][ T8045] ? __lock_acquire+0xbe2/0x52b0 [ 85.545544][ T8045] __rtnl_newlink+0xaca/0x13b0 [ 85.550561][ T8045] ? lock_is_held_type+0xfa/0x130 [ 85.555675][ T8045] ? rtnl_setlink+0x330/0x330 [ 85.560430][ T8045] ? check_preemption_disabled+0x36/0xd0 [ 85.566138][ T8045] ? lock_release+0x424/0x7e0 [ 85.570797][ T8045] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 85.576852][ T8045] ? is_bpf_text_address+0x65/0xe0 [ 85.583704][ T8045] ? kernel_text_address+0xbd/0xf0 [ 85.588813][ T8045] ? __kernel_text_address+0x9/0x30 [ 85.594023][ T8045] ? unwind_get_return_address+0x51/0x90 [ 85.599642][ T8045] ? create_prof_cpu_mask+0x20/0x20 [ 85.604910][ T8045] ? arch_stack_walk+0x93/0xe0 [ 85.609670][ T8045] ? stack_trace_save+0x8c/0xc0 [ 85.614504][ T8045] ? stack_trace_consume_entry+0x160/0x160 [ 85.620344][ T8045] ? fs_reclaim_release+0x9c/0xf0 [ 85.625457][ T8045] ? lock_is_held_type+0xfa/0x130 [ 85.630555][ T8045] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 85.636097][ T8045] ? trace_kmalloc+0x32/0xf0 [ 85.641147][ T8045] ? kmem_cache_alloc_trace+0x20b/0x440 [ 85.646669][ T8045] rtnl_newlink+0x5a/0x90 [ 85.651089][ T8045] rtnetlink_rcv_msg+0x31d/0x8d0 [ 85.656006][ T8045] ? __dev_queue_xmit+0x14ef/0x2e20 [ 85.661183][ T8045] ? rtnl_newlink+0x90/0x90 [ 85.665849][ T8045] ? check_preemption_disabled+0x36/0xd0 [ 85.671459][ T8045] ? netdev_core_pick_tx+0x290/0x290 [ 85.677077][ T8045] ? lock_acquire+0x150/0x5d0 [ 85.681838][ T8045] netlink_rcv_skb+0x118/0x370 [ 85.686952][ T8045] ? rtnl_newlink+0x90/0x90 [ 85.691899][ T8045] ? netlink_ack+0x930/0x930 [ 85.696493][ T8045] ? netlink_deliver_tap+0x130/0x9a0 [ 85.702157][ T8045] netlink_unicast+0x42e/0x700 [ 85.707162][ T8045] ? netlink_attachskb+0x750/0x750 [ 85.712432][ T8045] ? __build_skb_around+0x1f3/0x2b0 [ 85.717710][ T8045] netlink_sendmsg+0x704/0xbf0 [ 85.722573][ T8045] ? netlink_unicast+0x700/0x700 [ 85.727519][ T8045] ? netlink_unicast+0x700/0x700 [ 85.732520][ T8045] sock_sendmsg+0xab/0xe0 [ 85.736930][ T8045] ____sys_sendmsg+0x5bf/0x7a0 [ 85.741695][ T8045] ? kernel_sendmsg+0x30/0x30 [ 85.746376][ T8045] ? do_recvmmsg+0x550/0x550 [ 85.750951][ T8045] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 85.756927][ T8045] ___sys_sendmsg+0xd3/0x150 [ 85.761516][ T8045] ? sendmsg_copy_msghdr+0x110/0x110 [ 85.766982][ T8045] ? find_held_lock+0x2d/0x110 [ 85.771861][ T8045] ? check_preemption_disabled+0x36/0xd0 [ 85.777681][ T8045] ? lock_release+0x424/0x7e0 [ 85.782444][ T8045] ? __fget_files+0x17c/0x2e0 [ 85.787107][ T8045] ? lock_downgrade+0x7b0/0x7b0 [ 85.791943][ T8045] ? find_held_lock+0x2d/0x110 [ 85.796882][ T8045] ? check_preemption_disabled+0x36/0xd0 [ 85.802845][ T8045] ? lock_is_held_type+0xfa/0x130 [ 85.807849][ T8045] ? __fget_files+0x194/0x2e0 [ 85.812607][ T8045] ? __fget_light+0xbe/0x220 [ 85.817183][ T8045] __sys_sendmsg+0xb2/0x140 [ 85.821786][ T8045] ? __sys_sendmsg_sock+0x10/0x10 [ 85.826827][ T8045] ? check_preemption_disabled+0x36/0xd0 [ 85.832462][ T8045] ? syscall_enter_from_user_mode+0x1d/0x60 [ 85.838788][ T8045] ? lockdep_hardirqs_on+0x54/0x100 [ 85.844167][ T8045] do_syscall_64+0x35/0xb0 [ 85.848941][ T8045] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 85.855039][ T8045] RIP: 0033:0x464d29 [ 85.859009][ T8045] 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 [ 85.879474][ T8045] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.888468][ T8045] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 85.897009][ T8045] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 85.905214][ T8045] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 85.913266][ T8045] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 85.921501][ T8045] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 85.929885][ T8045] bridge0: error setting offload STP state on port 2(bridge_slave_1) [ 85.986269][ T8045] device bridge_slave_1 left promiscuous mode [ 85.995144][ T8045] bridge0: port 2(bridge_slave_1) entered disabled state 2021/07/12 15:32:34 executed programs: 70 [ 86.099914][ T8074] __nla_validate_parse: 1 callbacks suppressed [ 86.099924][ T8074] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 86.146714][ T8080] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 86.337779][ T8080] FAULT_INJECTION: forcing a failure. [ 86.337779][ T8080] name failslab, interval 1, probability 0, space 0, times 0 [ 86.350427][ T8080] CPU: 1 PID: 8080 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 86.359196][ T8080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.369531][ T8080] Call Trace: [ 86.372812][ T8080] dump_stack_lvl+0xbd/0xe2 [ 86.377458][ T8080] should_fail.cold+0x5/0xa [ 86.382054][ T8080] should_failslab+0x5/0x10 [ 86.386649][ T8080] kmem_cache_alloc_node+0x60/0x540 [ 86.391965][ T8080] __alloc_skb+0x153/0x280 [ 86.396389][ T8080] __neigh_notify+0x7f/0x110 [ 86.401022][ T8080] neigh_cleanup_and_release+0x5a/0x220 [ 86.406832][ T8080] neigh_flush_dev+0x4a7/0x7e0 [ 86.411759][ T8080] ? lock_release+0x424/0x7e0 [ 86.416664][ T8080] __neigh_ifdown.isra.0+0x44/0x390 [ 86.421941][ T8080] ? __local_bh_enable_ip+0x11f/0x220 [ 86.427366][ T8080] ? rt6_disable_ip+0x491/0x6b0 [ 86.432357][ T8080] neigh_ifdown+0x7/0x10 [ 86.437224][ T8080] rt6_disable_ip+0x56c/0x6b0 [ 86.442024][ T8080] ? rt6_sync_down_dev+0x120/0x120 [ 86.447665][ T8080] ? mark_lock+0xf0/0x15f0 [ 86.452288][ T8080] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 86.457657][ T8080] ? lock_chain_count+0x20/0x20 [ 86.462513][ T8080] ? add_addr+0x2c0/0x2c0 [ 86.466833][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.472456][ T8080] ? lock_is_held_type+0xfa/0x130 [ 86.477501][ T8080] addrconf_notify+0x44f/0x1d40 [ 86.482713][ T8080] ? mark_held_locks+0x9f/0xe0 [ 86.487783][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.493497][ T8080] ? tls_device_sk_destruct+0x610/0x610 [ 86.499390][ T8080] ? clusterip_netdev_event+0x34e/0x550 [ 86.505193][ T8080] ? inet6_ifinfo_notify+0x100/0x100 [ 86.510477][ T8080] ? __local_bh_enable_ip+0x11f/0x220 [ 86.515887][ T8080] ? clusterip_netdev_event+0x34e/0x550 [ 86.521432][ T8080] notifier_call_chain+0x94/0x170 [ 86.526456][ T8080] dev_close_many+0x28c/0x560 [ 86.531128][ T8080] ? __lock_acquire+0xbe2/0x52b0 [ 86.536058][ T8080] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 86.542115][ T8080] __dev_change_net_namespace+0xb88/0x1120 [ 86.547912][ T8080] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 86.553560][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.559176][ T8080] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 86.564674][ T8080] ? security_capable+0x4c/0x90 [ 86.569523][ T8080] ? ns_capable+0x4c/0xc0 [ 86.573873][ T8080] do_setlink+0x1d3/0x2cb0 [ 86.578269][ T8080] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 86.584333][ T8080] ? __kernel_text_address+0x9/0x30 [ 86.589626][ T8080] ? unwind_get_return_address+0x51/0x90 [ 86.595338][ T8080] ? rtnetlink_put_metrics+0x480/0x480 [ 86.600880][ T8080] ? mark_lock+0xf0/0x15f0 [ 86.605297][ T8080] ? mark_lock+0xf0/0x15f0 [ 86.609697][ T8080] ? __lock_acquire+0xbe2/0x52b0 [ 86.614632][ T8080] ? lock_chain_count+0x20/0x20 [ 86.619938][ T8080] ? memset+0x20/0x40 [ 86.623927][ T8080] ? __nla_validate_parse+0xb2/0x1fd0 [ 86.629405][ T8080] ? lock_chain_count+0x20/0x20 [ 86.634345][ T8080] ? __lock_acquire+0xbe2/0x52b0 [ 86.639378][ T8080] ? nla_get_range_signed+0x540/0x540 [ 86.644869][ T8080] ? __lock_acquire+0xbe2/0x52b0 [ 86.649947][ T8080] __rtnl_newlink+0xaca/0x13b0 [ 86.654720][ T8080] ? lock_is_held_type+0xfa/0x130 [ 86.659850][ T8080] ? rtnl_setlink+0x330/0x330 [ 86.664921][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.670647][ T8080] ? lock_release+0x424/0x7e0 [ 86.675444][ T8080] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 86.682096][ T8080] ? is_bpf_text_address+0x65/0xe0 [ 86.687221][ T8080] ? kernel_text_address+0xbd/0xf0 [ 86.692721][ T8080] ? __kernel_text_address+0x9/0x30 [ 86.697916][ T8080] ? unwind_get_return_address+0x51/0x90 [ 86.703533][ T8080] ? create_prof_cpu_mask+0x20/0x20 [ 86.708721][ T8080] ? arch_stack_walk+0x93/0xe0 [ 86.713506][ T8080] ? stack_trace_save+0x8c/0xc0 [ 86.718354][ T8080] ? stack_trace_consume_entry+0x160/0x160 [ 86.724375][ T8080] ? fs_reclaim_release+0x9c/0xf0 [ 86.729406][ T8080] ? lock_is_held_type+0xfa/0x130 [ 86.734506][ T8080] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 86.740157][ T8080] ? trace_kmalloc+0x32/0xf0 [ 86.744739][ T8080] ? kmem_cache_alloc_trace+0x20b/0x440 [ 86.750283][ T8080] rtnl_newlink+0x5a/0x90 [ 86.754602][ T8080] rtnetlink_rcv_msg+0x31d/0x8d0 [ 86.759558][ T8080] ? __dev_queue_xmit+0x14ef/0x2e20 [ 86.764941][ T8080] ? rtnl_newlink+0x90/0x90 [ 86.769531][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.775344][ T8080] ? netdev_core_pick_tx+0x290/0x290 [ 86.781666][ T8080] ? lock_acquire+0x150/0x5d0 [ 86.786424][ T8080] netlink_rcv_skb+0x118/0x370 [ 86.791345][ T8080] ? rtnl_newlink+0x90/0x90 [ 86.795841][ T8080] ? netlink_ack+0x930/0x930 [ 86.800504][ T8080] ? netlink_deliver_tap+0x130/0x9a0 [ 86.805797][ T8080] netlink_unicast+0x42e/0x700 [ 86.810560][ T8080] ? netlink_attachskb+0x750/0x750 [ 86.815770][ T8080] ? __build_skb_around+0x1f3/0x2b0 [ 86.821231][ T8080] netlink_sendmsg+0x704/0xbf0 [ 86.826002][ T8080] ? netlink_unicast+0x700/0x700 [ 86.831378][ T8080] ? netlink_unicast+0x700/0x700 [ 86.836409][ T8080] sock_sendmsg+0xab/0xe0 [ 86.840847][ T8080] ____sys_sendmsg+0x5bf/0x7a0 [ 86.845980][ T8080] ? kernel_sendmsg+0x30/0x30 [ 86.850788][ T8080] ? do_recvmmsg+0x550/0x550 [ 86.855840][ T8080] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 86.862022][ T8080] ___sys_sendmsg+0xd3/0x150 [ 86.866791][ T8080] ? sendmsg_copy_msghdr+0x110/0x110 [ 86.872150][ T8080] ? find_held_lock+0x2d/0x110 [ 86.877196][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.882920][ T8080] ? lock_release+0x424/0x7e0 [ 86.887689][ T8080] ? __fget_files+0x17c/0x2e0 [ 86.892646][ T8080] ? lock_downgrade+0x7b0/0x7b0 [ 86.897553][ T8080] ? find_held_lock+0x2d/0x110 [ 86.902430][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.908385][ T8080] ? lock_is_held_type+0xfa/0x130 [ 86.913494][ T8080] ? __fget_files+0x194/0x2e0 [ 86.918163][ T8080] ? __fget_light+0xbe/0x220 [ 86.922756][ T8080] __sys_sendmsg+0xb2/0x140 [ 86.927779][ T8080] ? __sys_sendmsg_sock+0x10/0x10 [ 86.932895][ T8080] ? check_preemption_disabled+0x36/0xd0 [ 86.938702][ T8080] ? syscall_enter_from_user_mode+0x1d/0x60 [ 86.944775][ T8080] ? lockdep_hardirqs_on+0x54/0x100 [ 86.950076][ T8080] do_syscall_64+0x35/0xb0 [ 86.954672][ T8080] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 86.960750][ T8080] RIP: 0033:0x464d29 [ 86.964731][ T8080] 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 [ 86.984802][ T8080] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.993326][ T8080] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 87.001380][ T8080] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 87.010435][ T8080] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 87.018980][ T8080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 87.027029][ T8080] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 87.216808][ T8080] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 87.273238][ T8080] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 87.284179][ T8080] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 87.295088][ T8080] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 87.306475][ T8080] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 87.317202][ T8080] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 87.328277][ T8080] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 87.338963][ T8080] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 87.350048][ T8080] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 87.360557][ T8080] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 87.371667][ T8080] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 87.419620][ T8094] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 87.738117][ T8101] FAULT_INJECTION: forcing a failure. [ 87.738117][ T8101] name failslab, interval 1, probability 0, space 0, times 0 [ 87.750867][ T8101] CPU: 0 PID: 8101 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 87.759526][ T8101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.769591][ T8101] Call Trace: [ 87.772852][ T8101] dump_stack_lvl+0xbd/0xe2 [ 87.777511][ T8101] should_fail.cold+0x5/0xa [ 87.782540][ T8101] should_failslab+0x5/0x10 [ 87.787102][ T8101] kmem_cache_alloc_node+0x60/0x540 [ 87.792303][ T8101] __alloc_skb+0x153/0x280 [ 87.796882][ T8101] __neigh_notify+0x7f/0x110 [ 87.801488][ T8101] neigh_cleanup_and_release+0x5a/0x220 [ 87.807008][ T8101] neigh_flush_dev+0x4a7/0x7e0 [ 87.811745][ T8101] ? lock_release+0x424/0x7e0 [ 87.816399][ T8101] __neigh_ifdown.isra.0+0x44/0x390 [ 87.821768][ T8101] ? __local_bh_enable_ip+0x11f/0x220 [ 87.827638][ T8101] ? rt6_disable_ip+0x491/0x6b0 [ 87.832465][ T8101] neigh_ifdown+0x7/0x10 [ 87.836712][ T8101] rt6_disable_ip+0x56c/0x6b0 [ 87.841540][ T8101] ? rt6_sync_down_dev+0x120/0x120 [ 87.846657][ T8101] ? mark_lock+0xf0/0x15f0 [ 87.851047][ T8101] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 87.857269][ T8101] ? lock_chain_count+0x20/0x20 [ 87.862099][ T8101] ? add_addr+0x2c0/0x2c0 [ 87.866398][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 87.872190][ T8101] ? lock_is_held_type+0xfa/0x130 [ 87.877275][ T8101] addrconf_notify+0x44f/0x1d40 [ 87.882164][ T8101] ? mark_held_locks+0x9f/0xe0 [ 87.887084][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 87.892692][ T8101] ? tls_device_sk_destruct+0x610/0x610 [ 87.898239][ T8101] ? clusterip_netdev_event+0x34e/0x550 [ 87.903755][ T8101] ? inet6_ifinfo_notify+0x100/0x100 [ 87.909097][ T8101] ? __local_bh_enable_ip+0x11f/0x220 [ 87.915068][ T8101] ? clusterip_netdev_event+0x34e/0x550 [ 87.920703][ T8101] notifier_call_chain+0x94/0x170 [ 87.926572][ T8101] dev_close_many+0x28c/0x560 [ 87.931222][ T8101] ? __lock_acquire+0xbe2/0x52b0 [ 87.936243][ T8101] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 87.942390][ T8101] __dev_change_net_namespace+0xb88/0x1120 [ 87.948251][ T8101] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 87.953888][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 87.959508][ T8101] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 87.964706][ T8101] ? security_capable+0x4c/0x90 [ 87.969537][ T8101] ? ns_capable+0x4c/0xc0 [ 87.973934][ T8101] do_setlink+0x1d3/0x2cb0 [ 87.978328][ T8101] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 87.984370][ T8101] ? __kernel_text_address+0x9/0x30 [ 87.989630][ T8101] ? unwind_get_return_address+0x51/0x90 [ 87.995326][ T8101] ? rtnetlink_put_metrics+0x480/0x480 [ 88.000850][ T8101] ? mark_lock+0xf0/0x15f0 [ 88.005420][ T8101] ? mark_lock+0xf0/0x15f0 [ 88.009822][ T8101] ? __lock_acquire+0xbe2/0x52b0 [ 88.014734][ T8101] ? lock_chain_count+0x20/0x20 [ 88.019657][ T8101] ? memset+0x20/0x40 [ 88.023700][ T8101] ? __nla_validate_parse+0xb2/0x1fd0 [ 88.029205][ T8101] ? lock_chain_count+0x20/0x20 [ 88.034194][ T8101] ? __lock_acquire+0xbe2/0x52b0 [ 88.039223][ T8101] ? nla_get_range_signed+0x540/0x540 [ 88.044682][ T8101] ? __lock_acquire+0xbe2/0x52b0 [ 88.049616][ T8101] __rtnl_newlink+0xaca/0x13b0 [ 88.054376][ T8101] ? lock_is_held_type+0xfa/0x130 [ 88.059685][ T8101] ? rtnl_setlink+0x330/0x330 [ 88.064434][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 88.070051][ T8101] ? lock_release+0x424/0x7e0 [ 88.074885][ T8101] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.081473][ T8101] ? is_bpf_text_address+0x65/0xe0 [ 88.086686][ T8101] ? kernel_text_address+0xbd/0xf0 [ 88.091862][ T8101] ? __kernel_text_address+0x9/0x30 [ 88.097421][ T8101] ? unwind_get_return_address+0x51/0x90 [ 88.103112][ T8101] ? create_prof_cpu_mask+0x20/0x20 [ 88.108391][ T8101] ? arch_stack_walk+0x93/0xe0 [ 88.113132][ T8101] ? stack_trace_save+0x8c/0xc0 [ 88.117953][ T8101] ? stack_trace_consume_entry+0x160/0x160 [ 88.123758][ T8101] ? fs_reclaim_release+0x9c/0xf0 [ 88.128770][ T8101] ? lock_is_held_type+0xfa/0x130 [ 88.133778][ T8101] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 88.139323][ T8101] ? trace_kmalloc+0x32/0xf0 [ 88.143887][ T8101] ? kmem_cache_alloc_trace+0x20b/0x440 [ 88.149493][ T8101] rtnl_newlink+0x5a/0x90 [ 88.153887][ T8101] rtnetlink_rcv_msg+0x31d/0x8d0 [ 88.158802][ T8101] ? __dev_queue_xmit+0x14ef/0x2e20 [ 88.164073][ T8101] ? rtnl_newlink+0x90/0x90 [ 88.169178][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 88.174997][ T8101] ? netdev_core_pick_tx+0x290/0x290 [ 88.180341][ T8101] ? lock_acquire+0x150/0x5d0 [ 88.185218][ T8101] netlink_rcv_skb+0x118/0x370 [ 88.190160][ T8101] ? rtnl_newlink+0x90/0x90 [ 88.194638][ T8101] ? netlink_ack+0x930/0x930 [ 88.199807][ T8101] ? netlink_deliver_tap+0x130/0x9a0 [ 88.205594][ T8101] netlink_unicast+0x42e/0x700 [ 88.210425][ T8101] ? netlink_attachskb+0x750/0x750 [ 88.215532][ T8101] ? __build_skb_around+0x1f3/0x2b0 [ 88.220738][ T8101] netlink_sendmsg+0x704/0xbf0 [ 88.225792][ T8101] ? netlink_unicast+0x700/0x700 [ 88.230726][ T8101] ? netlink_unicast+0x700/0x700 [ 88.235914][ T8101] sock_sendmsg+0xab/0xe0 [ 88.240231][ T8101] ____sys_sendmsg+0x5bf/0x7a0 [ 88.244978][ T8101] ? kernel_sendmsg+0x30/0x30 [ 88.249661][ T8101] ? do_recvmmsg+0x550/0x550 [ 88.254272][ T8101] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 88.260851][ T8101] ___sys_sendmsg+0xd3/0x150 [ 88.265697][ T8101] ? sendmsg_copy_msghdr+0x110/0x110 [ 88.271041][ T8101] ? find_held_lock+0x2d/0x110 [ 88.275864][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 88.281486][ T8101] ? lock_release+0x424/0x7e0 [ 88.286406][ T8101] ? __fget_files+0x17c/0x2e0 [ 88.291361][ T8101] ? lock_downgrade+0x7b0/0x7b0 [ 88.296182][ T8101] ? find_held_lock+0x2d/0x110 [ 88.301095][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 88.306963][ T8101] ? lock_is_held_type+0xfa/0x130 [ 88.312149][ T8101] ? __fget_files+0x194/0x2e0 [ 88.316819][ T8101] ? __fget_light+0xbe/0x220 [ 88.321386][ T8101] __sys_sendmsg+0xb2/0x140 [ 88.325954][ T8101] ? __sys_sendmsg_sock+0x10/0x10 [ 88.331080][ T8101] ? check_preemption_disabled+0x36/0xd0 [ 88.336861][ T8101] ? syscall_enter_from_user_mode+0x1d/0x60 [ 88.343368][ T8101] ? lockdep_hardirqs_on+0x54/0x100 [ 88.348637][ T8101] do_syscall_64+0x35/0xb0 [ 88.353114][ T8101] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.359074][ T8101] RIP: 0033:0x464d29 [ 88.363043][ T8101] 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 [ 88.383416][ T8101] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.392355][ T8101] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 88.400297][ T8101] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 88.408239][ T8101] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 88.416555][ T8101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 88.424681][ T8101] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 88.688360][ T8100] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.719228][ T8103] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 88.738563][ T8104] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 88.799808][ T8127] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 89.226484][ T8130] bond0: (slave bond_slave_1): Releasing backup interface [ 89.259532][ T8130] FAULT_INJECTION: forcing a failure. [ 89.259532][ T8130] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 89.273170][ T8130] CPU: 1 PID: 8130 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 89.282145][ T8130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.292306][ T8130] Call Trace: [ 89.295605][ T8130] dump_stack_lvl+0xbd/0xe2 [ 89.300180][ T8130] should_fail.cold+0x5/0xa [ 89.304669][ T8130] prepare_alloc_pages+0x17b/0x580 [ 89.309762][ T8130] ? rtnetlink_event+0xd7/0x1b0 [ 89.314697][ T8130] __alloc_pages+0x12f/0x500 [ 89.319267][ T8130] ? __rtnl_newlink+0xaca/0x13b0 [ 89.324502][ T8130] ? __alloc_pages_slowpath.constprop.0+0x2190/0x2190 [ 89.331262][ T8130] ? find_held_lock+0x2d/0x110 [ 89.336112][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.342438][ T8130] cache_grow_begin+0x75/0x4c0 [ 89.347377][ T8130] cache_alloc_refill+0x27b/0x340 [ 89.352555][ T8130] ? kmem_cache_alloc_node_trace+0x2f4/0x570 [ 89.358629][ T8130] kmem_cache_alloc_node_trace+0x4b4/0x570 [ 89.364618][ T8130] __kmalloc_node_track_caller+0x38/0x60 [ 89.370320][ T8130] __alloc_skb+0x8b/0x280 [ 89.374654][ T8130] rtmsg_ifinfo_build_skb+0x6d/0x160 [ 89.380194][ T8130] rtnetlink_event+0xd7/0x1b0 [ 89.384876][ T8130] notifier_call_chain+0x94/0x170 [ 89.389892][ T8130] netdev_change_features+0x76/0xa0 [ 89.395972][ T8130] ? netdev_update_features+0xb0/0xb0 [ 89.401611][ T8130] ? synchronize_rcu+0x160/0x190 [ 89.406874][ T8130] bond_compute_features+0x535/0x920 [ 89.412157][ T8130] ? bond_fix_features+0x2c0/0x2c0 [ 89.417347][ T8130] ? ieee80211_tx_status_ext+0x15c0/0x2c20 [ 89.423134][ T8130] ? lock_is_held_type+0xfa/0x130 [ 89.428136][ T8130] __bond_release_one.cold+0x4e5/0xac2 [ 89.434009][ T8130] ? bond_enslave+0x4250/0x4250 [ 89.438930][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.444887][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.450559][ T8130] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 89.456970][ T8130] ? lockdep_hardirqs_on+0x54/0x100 [ 89.462258][ T8130] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 89.468427][ T8130] bond_netdev_event+0x633/0x730 [ 89.473539][ T8130] notifier_call_chain+0x94/0x170 [ 89.478550][ T8130] __dev_change_net_namespace+0x373/0x1120 [ 89.484397][ T8130] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 89.490128][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.495853][ T8130] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 89.501227][ T8130] ? security_capable+0x4c/0x90 [ 89.506064][ T8130] ? ns_capable+0x4c/0xc0 [ 89.510376][ T8130] do_setlink+0x1d3/0x2cb0 [ 89.514781][ T8130] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 89.520762][ T8130] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 89.526735][ T8130] ? orc_sort_cmp+0xd0/0x140 [ 89.531509][ T8130] ? rtnetlink_put_metrics+0x480/0x480 [ 89.536964][ T8130] ? mark_lock+0xf0/0x15f0 [ 89.541471][ T8130] ? mark_lock+0xf0/0x15f0 [ 89.545892][ T8130] ? __lock_acquire+0xbe2/0x52b0 [ 89.551142][ T8130] ? lock_chain_count+0x20/0x20 [ 89.556002][ T8130] ? memset+0x20/0x40 [ 89.560052][ T8130] ? __nla_validate_parse+0xb2/0x1fd0 [ 89.565423][ T8130] ? lock_chain_count+0x20/0x20 [ 89.570429][ T8130] ? __lock_acquire+0xbe2/0x52b0 [ 89.575354][ T8130] ? nla_get_range_signed+0x540/0x540 [ 89.580800][ T8130] ? __lock_acquire+0xbe2/0x52b0 [ 89.585940][ T8130] __rtnl_newlink+0xaca/0x13b0 [ 89.590731][ T8130] ? lock_is_held_type+0xfa/0x130 [ 89.595747][ T8130] ? rtnl_setlink+0x330/0x330 [ 89.600410][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.606138][ T8130] ? lock_release+0x424/0x7e0 [ 89.610801][ T8130] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 89.617031][ T8130] ? is_bpf_text_address+0x65/0xe0 [ 89.622125][ T8130] ? kernel_text_address+0xbd/0xf0 [ 89.627222][ T8130] ? __kernel_text_address+0x9/0x30 [ 89.632863][ T8130] ? unwind_get_return_address+0x51/0x90 [ 89.638479][ T8130] ? create_prof_cpu_mask+0x20/0x20 [ 89.643743][ T8130] ? arch_stack_walk+0x93/0xe0 [ 89.648505][ T8130] ? stack_trace_save+0x8c/0xc0 [ 89.653861][ T8130] ? stack_trace_consume_entry+0x160/0x160 [ 89.659864][ T8130] ? fs_reclaim_release+0x9c/0xf0 [ 89.664889][ T8130] ? lock_is_held_type+0xfa/0x130 [ 89.670085][ T8130] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 89.675627][ T8130] ? trace_kmalloc+0x32/0xf0 [ 89.680377][ T8130] ? kmem_cache_alloc_trace+0x20b/0x440 [ 89.686002][ T8130] rtnl_newlink+0x5a/0x90 [ 89.690403][ T8130] rtnetlink_rcv_msg+0x31d/0x8d0 [ 89.695503][ T8130] ? __dev_queue_xmit+0x14ef/0x2e20 [ 89.700764][ T8130] ? rtnl_newlink+0x90/0x90 [ 89.705251][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.710860][ T8130] ? netdev_core_pick_tx+0x290/0x290 [ 89.716174][ T8130] ? lock_acquire+0x150/0x5d0 [ 89.720933][ T8130] netlink_rcv_skb+0x118/0x370 [ 89.725678][ T8130] ? rtnl_newlink+0x90/0x90 [ 89.730245][ T8130] ? netlink_ack+0x930/0x930 [ 89.735035][ T8130] ? netlink_deliver_tap+0x130/0x9a0 [ 89.740549][ T8130] netlink_unicast+0x42e/0x700 [ 89.745351][ T8130] ? netlink_attachskb+0x750/0x750 [ 89.750444][ T8130] ? __build_skb_around+0x1f3/0x2b0 [ 89.755628][ T8130] netlink_sendmsg+0x704/0xbf0 [ 89.760377][ T8130] ? netlink_unicast+0x700/0x700 [ 89.765348][ T8130] ? netlink_unicast+0x700/0x700 [ 89.770657][ T8130] sock_sendmsg+0xab/0xe0 [ 89.774972][ T8130] ____sys_sendmsg+0x5bf/0x7a0 [ 89.779882][ T8130] ? kernel_sendmsg+0x30/0x30 [ 89.784539][ T8130] ? do_recvmmsg+0x550/0x550 [ 89.789114][ T8130] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 89.795070][ T8130] ___sys_sendmsg+0xd3/0x150 [ 89.799656][ T8130] ? sendmsg_copy_msghdr+0x110/0x110 [ 89.805008][ T8130] ? find_held_lock+0x2d/0x110 [ 89.809749][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.815393][ T8130] ? lock_release+0x424/0x7e0 [ 89.820144][ T8130] ? __fget_files+0x17c/0x2e0 [ 89.824827][ T8130] ? lock_downgrade+0x7b0/0x7b0 [ 89.829662][ T8130] ? find_held_lock+0x2d/0x110 [ 89.834497][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.840112][ T8130] ? lock_is_held_type+0xfa/0x130 [ 89.845324][ T8130] ? __fget_files+0x194/0x2e0 [ 89.850162][ T8130] ? __fget_light+0xbe/0x220 [ 89.855343][ T8130] __sys_sendmsg+0xb2/0x140 [ 89.860180][ T8130] ? __sys_sendmsg_sock+0x10/0x10 [ 89.865319][ T8130] ? check_preemption_disabled+0x36/0xd0 [ 89.871106][ T8130] ? syscall_enter_from_user_mode+0x1d/0x60 [ 89.877118][ T8130] ? lockdep_hardirqs_on+0x54/0x100 [ 89.882524][ T8130] do_syscall_64+0x35/0xb0 [ 89.887486][ T8130] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 89.893382][ T8130] RIP: 0033:0x464d29 [ 89.897267][ T8130] 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 [ 89.918054][ T8130] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 89.926449][ T8130] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 89.934577][ T8130] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 89.942803][ T8130] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 89.950802][ T8130] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 89.958995][ T8130] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 90.059016][ T8155] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 90.452089][ T8159] FAULT_INJECTION: forcing a failure. [ 90.452089][ T8159] name failslab, interval 1, probability 0, space 0, times 0 [ 90.465522][ T8159] CPU: 0 PID: 8159 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 90.474405][ T8159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.485116][ T8159] Call Trace: [ 90.488399][ T8159] dump_stack_lvl+0xbd/0xe2 [ 90.492987][ T8159] should_fail.cold+0x5/0xa [ 90.497582][ T8159] should_failslab+0x5/0x10 [ 90.502063][ T8159] kmem_cache_alloc_node+0x60/0x540 [ 90.507241][ T8159] __alloc_skb+0x153/0x280 [ 90.511769][ T8159] inet6_netconf_notify_devconf+0x5a/0xf0 [ 90.517491][ T8159] addrconf_sysctl_unregister+0x127/0x1b0 [ 90.523566][ T8159] addrconf_ifdown.isra.0+0xb74/0x10e0 [ 90.529043][ T8159] ? add_addr+0x2c0/0x2c0 [ 90.533353][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.538965][ T8159] ? lock_is_held_type+0xfa/0x130 [ 90.544159][ T8159] addrconf_notify+0x44f/0x1d40 [ 90.548989][ T8159] ? mark_held_locks+0x9f/0xe0 [ 90.553740][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.559373][ T8159] ? tls_device_sk_destruct+0x610/0x610 [ 90.564902][ T8159] ? clusterip_netdev_event+0x34e/0x550 [ 90.570435][ T8159] ? inet6_ifinfo_notify+0x100/0x100 [ 90.575723][ T8159] ? __local_bh_enable_ip+0x11f/0x220 [ 90.581166][ T8159] ? clusterip_netdev_event+0x34e/0x550 [ 90.586688][ T8159] notifier_call_chain+0x94/0x170 [ 90.591781][ T8159] __dev_change_net_namespace+0x373/0x1120 [ 90.597865][ T8159] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 90.603477][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.609086][ T8159] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 90.614262][ T8159] ? security_capable+0x4c/0x90 [ 90.619180][ T8159] ? ns_capable+0x4c/0xc0 [ 90.623489][ T8159] do_setlink+0x1d3/0x2cb0 [ 90.627900][ T8159] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 90.633943][ T8159] ? __kernel_text_address+0x9/0x30 [ 90.639118][ T8159] ? unwind_get_return_address+0x51/0x90 [ 90.644825][ T8159] ? rtnetlink_put_metrics+0x480/0x480 [ 90.650276][ T8159] ? mark_lock+0xf0/0x15f0 [ 90.654695][ T8159] ? mark_lock+0xf0/0x15f0 [ 90.659233][ T8159] ? __lock_acquire+0xbe2/0x52b0 [ 90.664184][ T8159] ? lock_chain_count+0x20/0x20 [ 90.669026][ T8159] ? memset+0x20/0x40 [ 90.673259][ T8159] ? __nla_validate_parse+0xb2/0x1fd0 [ 90.678607][ T8159] ? lock_chain_count+0x20/0x20 [ 90.683591][ T8159] ? __lock_acquire+0xbe2/0x52b0 [ 90.688611][ T8159] ? nla_get_range_signed+0x540/0x540 [ 90.693994][ T8159] ? __lock_acquire+0xbe2/0x52b0 [ 90.698952][ T8159] __rtnl_newlink+0xaca/0x13b0 [ 90.703705][ T8159] ? lock_is_held_type+0xfa/0x130 [ 90.708712][ T8159] ? rtnl_setlink+0x330/0x330 [ 90.713598][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.719500][ T8159] ? lock_release+0x424/0x7e0 [ 90.724169][ T8159] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 90.730491][ T8159] ? is_bpf_text_address+0x65/0xe0 [ 90.735681][ T8159] ? kernel_text_address+0xbd/0xf0 [ 90.741212][ T8159] ? __kernel_text_address+0x9/0x30 [ 90.746575][ T8159] ? unwind_get_return_address+0x51/0x90 [ 90.752225][ T8159] ? create_prof_cpu_mask+0x20/0x20 [ 90.757411][ T8159] ? arch_stack_walk+0x93/0xe0 [ 90.762257][ T8159] ? stack_trace_save+0x8c/0xc0 [ 90.767211][ T8159] ? stack_trace_consume_entry+0x160/0x160 [ 90.773467][ T8159] ? fs_reclaim_release+0x9c/0xf0 [ 90.778653][ T8159] ? lock_is_held_type+0xfa/0x130 [ 90.783704][ T8159] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 90.789240][ T8159] ? trace_kmalloc+0x32/0xf0 [ 90.793919][ T8159] ? kmem_cache_alloc_trace+0x20b/0x440 [ 90.799746][ T8159] rtnl_newlink+0x5a/0x90 [ 90.804162][ T8159] rtnetlink_rcv_msg+0x31d/0x8d0 [ 90.809287][ T8159] ? __dev_queue_xmit+0x14ef/0x2e20 [ 90.814518][ T8159] ? rtnl_newlink+0x90/0x90 [ 90.819005][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.824774][ T8159] ? netdev_core_pick_tx+0x290/0x290 [ 90.830874][ T8159] ? lock_acquire+0x150/0x5d0 [ 90.835553][ T8159] netlink_rcv_skb+0x118/0x370 [ 90.841133][ T8159] ? rtnl_newlink+0x90/0x90 [ 90.845797][ T8159] ? netlink_ack+0x930/0x930 [ 90.850603][ T8159] ? netlink_deliver_tap+0x130/0x9a0 [ 90.855994][ T8159] netlink_unicast+0x42e/0x700 [ 90.860848][ T8159] ? netlink_attachskb+0x750/0x750 [ 90.866168][ T8159] ? __build_skb_around+0x1f3/0x2b0 [ 90.871527][ T8159] netlink_sendmsg+0x704/0xbf0 [ 90.876460][ T8159] ? netlink_unicast+0x700/0x700 [ 90.882195][ T8159] ? netlink_unicast+0x700/0x700 [ 90.887215][ T8159] sock_sendmsg+0xab/0xe0 [ 90.891725][ T8159] ____sys_sendmsg+0x5bf/0x7a0 [ 90.897439][ T8159] ? kernel_sendmsg+0x30/0x30 [ 90.902192][ T8159] ? do_recvmmsg+0x550/0x550 [ 90.906785][ T8159] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 90.912868][ T8159] ___sys_sendmsg+0xd3/0x150 [ 90.917617][ T8159] ? sendmsg_copy_msghdr+0x110/0x110 [ 90.922893][ T8159] ? find_held_lock+0x2d/0x110 [ 90.927654][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.933292][ T8159] ? lock_release+0x424/0x7e0 [ 90.938181][ T8159] ? __fget_files+0x17c/0x2e0 [ 90.942855][ T8159] ? lock_downgrade+0x7b0/0x7b0 [ 90.947941][ T8159] ? find_held_lock+0x2d/0x110 [ 90.952982][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.958860][ T8159] ? lock_is_held_type+0xfa/0x130 [ 90.964235][ T8159] ? __fget_files+0x194/0x2e0 [ 90.968907][ T8159] ? __fget_light+0xbe/0x220 [ 90.973610][ T8159] __sys_sendmsg+0xb2/0x140 [ 90.978792][ T8159] ? __sys_sendmsg_sock+0x10/0x10 [ 90.983814][ T8159] ? check_preemption_disabled+0x36/0xd0 [ 90.989700][ T8159] ? syscall_enter_from_user_mode+0x1d/0x60 [ 90.995606][ T8159] ? lockdep_hardirqs_on+0x54/0x100 [ 91.001328][ T8159] do_syscall_64+0x35/0xb0 [ 91.005725][ T8159] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 91.011708][ T8159] RIP: 0033:0x464d29 [ 91.015844][ T8159] 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 [ 91.036025][ T8159] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.045651][ T8159] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 91.053696][ T8159] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 91.062237][ T8159] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 91.072653][ T8159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 91.080725][ T8159] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 91.119784][ T8159] device hsr_slave_0 left promiscuous mode 2021/07/12 15:32:39 executed programs: 77 [ 91.228253][ T8181] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 91.257857][ T8186] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 91.284810][ T8187] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 91.557510][ T8188] FAULT_INJECTION: forcing a failure. [ 91.557510][ T8188] name failslab, interval 1, probability 0, space 0, times 0 [ 91.575352][ T8188] CPU: 0 PID: 8188 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 91.584395][ T8188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.594627][ T8188] Call Trace: [ 91.597922][ T8188] dump_stack_lvl+0xbd/0xe2 [ 91.602407][ T8188] should_fail.cold+0x5/0xa [ 91.606901][ T8188] ? mark_held_locks+0x9f/0xe0 [ 91.611676][ T8188] should_failslab+0x5/0x10 [ 91.616230][ T8188] kmem_cache_alloc_node_trace+0x66/0x570 [ 91.622186][ T8188] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 91.627810][ T8188] __kmalloc_node_track_caller+0x38/0x60 [ 91.633543][ T8188] __alloc_skb+0x8b/0x280 [ 91.638031][ T8188] inet6_ifa_notify+0x112/0x1e0 [ 91.643150][ T8188] ? inet6_fill_ifaddr+0xbd0/0xbd0 [ 91.648553][ T8188] ? lock_release+0x424/0x7e0 [ 91.653327][ T8188] __ipv6_ifa_notify+0x13f/0x910 [ 91.658537][ T8188] ? modify_prefix_route+0x4f0/0x4f0 [ 91.663915][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 91.669577][ T8188] ? __local_bh_enable_ip+0x11f/0x220 [ 91.674981][ T8188] ? addrconf_ifdown.isra.0+0x78e/0x10e0 [ 91.680630][ T8188] addrconf_ifdown.isra.0+0x7a5/0x10e0 [ 91.686141][ T8188] ? add_addr+0x2c0/0x2c0 [ 91.690461][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 91.696087][ T8188] ? lock_is_held_type+0xfa/0x130 [ 91.701183][ T8188] addrconf_notify+0x44f/0x1d40 [ 91.706049][ T8188] ? mark_held_locks+0x9f/0xe0 [ 91.711072][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 91.716683][ T8188] ? tls_device_sk_destruct+0x610/0x610 [ 91.722203][ T8188] ? clusterip_netdev_event+0x34e/0x550 [ 91.727926][ T8188] ? inet6_ifinfo_notify+0x100/0x100 [ 91.733194][ T8188] ? __local_bh_enable_ip+0x11f/0x220 [ 91.738581][ T8188] ? clusterip_netdev_event+0x34e/0x550 [ 91.744132][ T8188] notifier_call_chain+0x94/0x170 [ 91.749157][ T8188] dev_close_many+0x28c/0x560 [ 91.753828][ T8188] ? __lock_acquire+0xbe2/0x52b0 [ 91.758780][ T8188] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 91.764926][ T8188] __dev_change_net_namespace+0xb88/0x1120 [ 91.770712][ T8188] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 91.776425][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 91.782228][ T8188] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 91.787636][ T8188] ? security_capable+0x4c/0x90 [ 91.792475][ T8188] ? ns_capable+0x4c/0xc0 [ 91.796791][ T8188] do_setlink+0x1d3/0x2cb0 [ 91.801207][ T8188] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 91.807174][ T8188] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 91.813246][ T8188] ? orc_sort_cmp+0xd0/0x140 [ 91.817838][ T8188] ? rtnetlink_put_metrics+0x480/0x480 [ 91.823396][ T8188] ? mark_lock+0xf0/0x15f0 [ 91.827822][ T8188] ? mark_lock+0xf0/0x15f0 [ 91.832245][ T8188] ? __lock_acquire+0xbe2/0x52b0 [ 91.837184][ T8188] ? lock_chain_count+0x20/0x20 [ 91.842029][ T8188] ? memset+0x20/0x40 [ 91.846114][ T8188] ? __nla_validate_parse+0xb2/0x1fd0 [ 91.851482][ T8188] ? lock_chain_count+0x20/0x20 [ 91.856543][ T8188] ? __lock_acquire+0xbe2/0x52b0 [ 91.861474][ T8188] ? nla_get_range_signed+0x540/0x540 [ 91.866920][ T8188] ? __lock_acquire+0xbe2/0x52b0 [ 91.872097][ T8188] __rtnl_newlink+0xaca/0x13b0 [ 91.877468][ T8188] ? lock_is_held_type+0xfa/0x130 [ 91.882514][ T8188] ? rtnl_setlink+0x330/0x330 [ 91.887355][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 91.893319][ T8188] ? lock_release+0x424/0x7e0 [ 91.897990][ T8188] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 91.904128][ T8188] ? is_bpf_text_address+0x65/0xe0 [ 91.909232][ T8188] ? kernel_text_address+0xbd/0xf0 [ 91.914923][ T8188] ? __kernel_text_address+0x9/0x30 [ 91.920209][ T8188] ? unwind_get_return_address+0x51/0x90 [ 91.926294][ T8188] ? create_prof_cpu_mask+0x20/0x20 [ 91.931604][ T8188] ? arch_stack_walk+0x93/0xe0 [ 91.936485][ T8188] ? stack_trace_save+0x8c/0xc0 [ 91.941431][ T8188] ? stack_trace_consume_entry+0x160/0x160 [ 91.947357][ T8188] ? fs_reclaim_release+0x9c/0xf0 [ 91.952582][ T8188] ? lock_is_held_type+0xfa/0x130 [ 91.957746][ T8188] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 91.963296][ T8188] ? trace_kmalloc+0x32/0xf0 [ 91.968164][ T8188] ? kmem_cache_alloc_trace+0x20b/0x440 [ 91.973704][ T8188] rtnl_newlink+0x5a/0x90 [ 91.978096][ T8188] rtnetlink_rcv_msg+0x31d/0x8d0 [ 91.983220][ T8188] ? __dev_queue_xmit+0x14ef/0x2e20 [ 91.988407][ T8188] ? rtnl_newlink+0x90/0x90 [ 91.992904][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 91.998773][ T8188] ? netdev_core_pick_tx+0x290/0x290 [ 92.004275][ T8188] ? lock_acquire+0x150/0x5d0 [ 92.008970][ T8188] netlink_rcv_skb+0x118/0x370 [ 92.013908][ T8188] ? rtnl_newlink+0x90/0x90 [ 92.018504][ T8188] ? netlink_ack+0x930/0x930 [ 92.023315][ T8188] ? netlink_deliver_tap+0x130/0x9a0 [ 92.028606][ T8188] netlink_unicast+0x42e/0x700 [ 92.033574][ T8188] ? netlink_attachskb+0x750/0x750 [ 92.038776][ T8188] ? __build_skb_around+0x1f3/0x2b0 [ 92.043981][ T8188] netlink_sendmsg+0x704/0xbf0 [ 92.048793][ T8188] ? netlink_unicast+0x700/0x700 [ 92.053832][ T8188] ? netlink_unicast+0x700/0x700 [ 92.059416][ T8188] sock_sendmsg+0xab/0xe0 [ 92.063739][ T8188] ____sys_sendmsg+0x5bf/0x7a0 [ 92.068580][ T8188] ? kernel_sendmsg+0x30/0x30 [ 92.073336][ T8188] ? do_recvmmsg+0x550/0x550 [ 92.078090][ T8188] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 92.084087][ T8188] ___sys_sendmsg+0xd3/0x150 [ 92.088667][ T8188] ? sendmsg_copy_msghdr+0x110/0x110 [ 92.094278][ T8188] ? find_held_lock+0x2d/0x110 [ 92.099018][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 92.104658][ T8188] ? lock_release+0x424/0x7e0 [ 92.110039][ T8188] ? __fget_files+0x17c/0x2e0 [ 92.114884][ T8188] ? lock_downgrade+0x7b0/0x7b0 [ 92.120026][ T8188] ? find_held_lock+0x2d/0x110 [ 92.125098][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 92.130848][ T8188] ? lock_is_held_type+0xfa/0x130 [ 92.136024][ T8188] ? __fget_files+0x194/0x2e0 [ 92.140812][ T8188] ? __fget_light+0xbe/0x220 [ 92.145698][ T8188] __sys_sendmsg+0xb2/0x140 [ 92.150368][ T8188] ? __sys_sendmsg_sock+0x10/0x10 [ 92.155398][ T8188] ? check_preemption_disabled+0x36/0xd0 [ 92.161124][ T8188] ? syscall_enter_from_user_mode+0x1d/0x60 [ 92.167005][ T8188] ? lockdep_hardirqs_on+0x54/0x100 [ 92.172249][ T8188] do_syscall_64+0x35/0xb0 [ 92.176860][ T8188] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 92.183254][ T8188] RIP: 0033:0x464d29 [ 92.187238][ T8188] 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 [ 92.207003][ T8188] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.215729][ T8188] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 92.224268][ T8188] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 92.232673][ T8188] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 92.241222][ T8188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 92.249649][ T8188] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 92.499554][ T8189] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 92.548764][ T8231] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 92.940864][ T8233] FAULT_INJECTION: forcing a failure. [ 92.940864][ T8233] name failslab, interval 1, probability 0, space 0, times 0 [ 92.954414][ T8233] CPU: 1 PID: 8233 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 92.963386][ T8233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.973614][ T8233] Call Trace: [ 92.976897][ T8233] dump_stack_lvl+0xbd/0xe2 [ 92.981565][ T8233] should_fail.cold+0x5/0xa [ 92.986155][ T8233] ? lockdep_hardirqs_on_prepare+0x17b/0x450 [ 92.992150][ T8233] should_failslab+0x5/0x10 [ 92.996656][ T8233] kmem_cache_alloc_node+0x60/0x540 [ 93.001844][ T8233] ? rt6_nlmsg_size+0x136/0x1d0 [ 93.006723][ T8233] ? fib6_purge_rt+0x25b/0x690 [ 93.011867][ T8233] __alloc_skb+0x153/0x280 [ 93.016498][ T8233] inet6_rt_notify+0xd1/0x270 [ 93.021397][ T8233] fib6_del+0xccc/0x14e0 [ 93.025733][ T8233] ? fib6_locate+0xd0/0xd0 [ 93.030258][ T8233] ? lock_chain_count+0x20/0x20 [ 93.035208][ T8233] fib6_clean_node+0x2f7/0x4a0 [ 93.040181][ T8233] ? find_held_lock+0x2d/0x110 [ 93.044946][ T8233] ? fib6_del+0x14e0/0x14e0 [ 93.049456][ T8233] fib6_walk_continue+0x33c/0x720 [ 93.054473][ T8233] ? fib6_walk+0x160/0x330 [ 93.059580][ T8233] ? lockdep_hardirqs_on+0x54/0x100 [ 93.064785][ T8233] fib6_walk+0x168/0x330 [ 93.069116][ T8233] fib6_clean_tree+0xaa/0xe0 [ 93.073688][ T8233] ? fib6_walk+0x330/0x330 [ 93.078111][ T8233] ? fib6_del+0x14e0/0x14e0 [ 93.082707][ T8233] ? rwlock_bug.part.0+0x90/0x90 [ 93.087687][ T8233] ? fib6_ifup+0x260/0x260 [ 93.092233][ T8233] __fib6_clean_all+0xd8/0x1e0 [ 93.096993][ T8233] ? fib6_ifup+0x260/0x260 [ 93.101419][ T8233] rt6_disable_ip+0x5c0/0x6b0 [ 93.106108][ T8233] ? __lock_acquire+0x159d/0x52b0 [ 93.111138][ T8233] ? rt6_sync_down_dev+0x120/0x120 [ 93.116367][ T8233] ? mark_lock+0xf0/0x15f0 [ 93.120813][ T8233] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 93.126283][ T8233] ? lock_chain_count+0x20/0x20 [ 93.131303][ T8233] ? add_addr+0x2c0/0x2c0 [ 93.135618][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.141266][ T8233] ? lock_is_held_type+0xfa/0x130 [ 93.146289][ T8233] addrconf_notify+0x44f/0x1d40 [ 93.151398][ T8233] ? mark_held_locks+0x9f/0xe0 [ 93.156241][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.161948][ T8233] ? tls_device_sk_destruct+0x610/0x610 [ 93.167938][ T8233] ? clusterip_netdev_event+0x34e/0x550 [ 93.173483][ T8233] ? inet6_ifinfo_notify+0x100/0x100 [ 93.179106][ T8233] ? __local_bh_enable_ip+0x11f/0x220 [ 93.184475][ T8233] ? clusterip_netdev_event+0x34e/0x550 [ 93.190372][ T8233] notifier_call_chain+0x94/0x170 [ 93.195399][ T8233] dev_close_many+0x28c/0x560 [ 93.200074][ T8233] ? __lock_acquire+0xbe2/0x52b0 [ 93.205117][ T8233] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 93.211274][ T8233] __dev_change_net_namespace+0xb88/0x1120 [ 93.217095][ T8233] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 93.223088][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.229247][ T8233] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 93.234428][ T8233] ? security_capable+0x4c/0x90 [ 93.239367][ T8233] ? ns_capable+0x4c/0xc0 [ 93.243779][ T8233] do_setlink+0x1d3/0x2cb0 [ 93.248531][ T8233] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 93.254595][ T8233] ? __kernel_text_address+0x9/0x30 [ 93.259888][ T8233] ? unwind_get_return_address+0x51/0x90 [ 93.265514][ T8233] ? rtnetlink_put_metrics+0x480/0x480 [ 93.271141][ T8233] ? mark_lock+0xf0/0x15f0 [ 93.275726][ T8233] ? mark_lock+0xf0/0x15f0 [ 93.281001][ T8233] ? __lock_acquire+0xbe2/0x52b0 [ 93.285954][ T8233] ? lock_chain_count+0x20/0x20 [ 93.290814][ T8233] ? memset+0x20/0x40 [ 93.294928][ T8233] ? __nla_validate_parse+0xb2/0x1fd0 [ 93.300497][ T8233] ? lock_chain_count+0x20/0x20 [ 93.305594][ T8233] ? __lock_acquire+0xbe2/0x52b0 [ 93.310536][ T8233] ? nla_get_range_signed+0x540/0x540 [ 93.316181][ T8233] ? __lock_acquire+0xbe2/0x52b0 [ 93.321503][ T8233] __rtnl_newlink+0xaca/0x13b0 [ 93.326279][ T8233] ? lock_is_held_type+0xfa/0x130 [ 93.331666][ T8233] ? rtnl_setlink+0x330/0x330 [ 93.336340][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.342241][ T8233] ? lock_release+0x424/0x7e0 [ 93.346930][ T8233] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.353009][ T8233] ? is_bpf_text_address+0x65/0xe0 [ 93.358114][ T8233] ? kernel_text_address+0xbd/0xf0 [ 93.363224][ T8233] ? __kernel_text_address+0x9/0x30 [ 93.368430][ T8233] ? unwind_get_return_address+0x51/0x90 [ 93.374152][ T8233] ? create_prof_cpu_mask+0x20/0x20 [ 93.379366][ T8233] ? arch_stack_walk+0x93/0xe0 [ 93.384223][ T8233] ? stack_trace_save+0x8c/0xc0 [ 93.389157][ T8233] ? stack_trace_consume_entry+0x160/0x160 [ 93.394980][ T8233] ? fs_reclaim_release+0x9c/0xf0 [ 93.400000][ T8233] ? lock_is_held_type+0xfa/0x130 [ 93.405103][ T8233] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 93.410732][ T8233] ? trace_kmalloc+0x32/0xf0 [ 93.415338][ T8233] ? kmem_cache_alloc_trace+0x20b/0x440 [ 93.421157][ T8233] rtnl_newlink+0x5a/0x90 [ 93.425491][ T8233] rtnetlink_rcv_msg+0x31d/0x8d0 [ 93.430422][ T8233] ? __dev_queue_xmit+0x14ef/0x2e20 [ 93.435620][ T8233] ? rtnl_newlink+0x90/0x90 [ 93.440128][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.446458][ T8233] ? netdev_core_pick_tx+0x290/0x290 [ 93.451758][ T8233] ? lock_acquire+0x150/0x5d0 [ 93.457033][ T8233] netlink_rcv_skb+0x118/0x370 [ 93.461791][ T8233] ? rtnl_newlink+0x90/0x90 [ 93.466372][ T8233] ? netlink_ack+0x930/0x930 [ 93.471231][ T8233] ? netlink_deliver_tap+0x130/0x9a0 [ 93.476525][ T8233] netlink_unicast+0x42e/0x700 [ 93.481280][ T8233] ? netlink_attachskb+0x750/0x750 [ 93.486399][ T8233] ? __build_skb_around+0x1f3/0x2b0 [ 93.491797][ T8233] netlink_sendmsg+0x704/0xbf0 [ 93.496566][ T8233] ? netlink_unicast+0x700/0x700 [ 93.501500][ T8233] ? netlink_unicast+0x700/0x700 [ 93.506478][ T8233] sock_sendmsg+0xab/0xe0 [ 93.510795][ T8233] ____sys_sendmsg+0x5bf/0x7a0 [ 93.515557][ T8233] ? kernel_sendmsg+0x30/0x30 [ 93.520482][ T8233] ? do_recvmmsg+0x550/0x550 [ 93.525331][ T8233] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 93.532177][ T8233] ___sys_sendmsg+0xd3/0x150 [ 93.537106][ T8233] ? sendmsg_copy_msghdr+0x110/0x110 [ 93.542555][ T8233] ? find_held_lock+0x2d/0x110 [ 93.547305][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.552958][ T8233] ? lock_release+0x424/0x7e0 [ 93.557616][ T8233] ? __fget_files+0x17c/0x2e0 [ 93.562284][ T8233] ? lock_downgrade+0x7b0/0x7b0 [ 93.567121][ T8233] ? find_held_lock+0x2d/0x110 [ 93.572731][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.578533][ T8233] ? lock_is_held_type+0xfa/0x130 [ 93.583546][ T8233] ? __fget_files+0x194/0x2e0 [ 93.588211][ T8233] ? __fget_light+0xbe/0x220 [ 93.592791][ T8233] __sys_sendmsg+0xb2/0x140 [ 93.597282][ T8233] ? __sys_sendmsg_sock+0x10/0x10 [ 93.602301][ T8233] ? check_preemption_disabled+0x36/0xd0 [ 93.607927][ T8233] ? syscall_enter_from_user_mode+0x1d/0x60 [ 93.613805][ T8233] ? lockdep_hardirqs_on+0x54/0x100 [ 93.618996][ T8233] do_syscall_64+0x35/0xb0 [ 93.623449][ T8233] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 93.629567][ T8233] RIP: 0033:0x464d29 [ 93.633453][ T8233] 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 [ 93.653051][ T8233] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 93.661449][ T8233] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 93.669423][ T8233] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 93.677474][ T8233] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 93.685433][ T8233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 93.693729][ T8233] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 93.806607][ T8233] team0: Port device team_slave_1 removed [ 93.877944][ T8255] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 94.188948][ T8261] FAULT_INJECTION: forcing a failure. [ 94.188948][ T8261] name failslab, interval 1, probability 0, space 0, times 0 [ 94.202114][ T8261] CPU: 0 PID: 8261 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 94.211051][ T8261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.221199][ T8261] Call Trace: [ 94.224489][ T8261] dump_stack_lvl+0xbd/0xe2 [ 94.229156][ T8261] should_fail.cold+0x5/0xa [ 94.233652][ T8261] should_failslab+0x5/0x10 [ 94.238141][ T8261] kmem_cache_alloc_node+0x60/0x540 [ 94.243321][ T8261] __alloc_skb+0x153/0x280 [ 94.247725][ T8261] __neigh_notify+0x7f/0x110 [ 94.252301][ T8261] neigh_cleanup_and_release+0x5a/0x220 [ 94.257916][ T8261] neigh_flush_dev+0x4a7/0x7e0 [ 94.263204][ T8261] ? lock_release+0x424/0x7e0 [ 94.267890][ T8261] __neigh_ifdown.isra.0+0x44/0x390 [ 94.273106][ T8261] ? __local_bh_enable_ip+0x11f/0x220 [ 94.278569][ T8261] ? rt6_disable_ip+0x491/0x6b0 [ 94.283436][ T8261] neigh_ifdown+0x7/0x10 [ 94.287677][ T8261] rt6_disable_ip+0x56c/0x6b0 [ 94.292350][ T8261] ? rt6_sync_down_dev+0x120/0x120 [ 94.297463][ T8261] ? mark_lock+0xf0/0x15f0 [ 94.301862][ T8261] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 94.307320][ T8261] ? lock_chain_count+0x20/0x20 [ 94.312155][ T8261] ? add_addr+0x2c0/0x2c0 [ 94.316636][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.322256][ T8261] ? lock_is_held_type+0xfa/0x130 [ 94.327373][ T8261] addrconf_notify+0x44f/0x1d40 [ 94.332289][ T8261] ? mark_held_locks+0x9f/0xe0 [ 94.337207][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.342815][ T8261] ? tls_device_sk_destruct+0x610/0x610 [ 94.348620][ T8261] ? clusterip_netdev_event+0x34e/0x550 [ 94.354145][ T8261] ? inet6_ifinfo_notify+0x100/0x100 [ 94.359431][ T8261] ? __local_bh_enable_ip+0x11f/0x220 [ 94.365157][ T8261] ? clusterip_netdev_event+0x34e/0x550 [ 94.371227][ T8261] notifier_call_chain+0x94/0x170 [ 94.376364][ T8261] dev_close_many+0x28c/0x560 [ 94.381215][ T8261] ? __lock_acquire+0xbe2/0x52b0 [ 94.386239][ T8261] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 94.392382][ T8261] __dev_change_net_namespace+0xb88/0x1120 [ 94.398287][ T8261] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 94.403904][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.409545][ T8261] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 94.415010][ T8261] ? security_capable+0x4c/0x90 [ 94.420187][ T8261] ? ns_capable+0x4c/0xc0 [ 94.424516][ T8261] do_setlink+0x1d3/0x2cb0 [ 94.428955][ T8261] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 94.435078][ T8261] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 94.441415][ T8261] ? orc_sort_cmp+0xd0/0x140 [ 94.446127][ T8261] ? rtnetlink_put_metrics+0x480/0x480 [ 94.451583][ T8261] ? mark_lock+0xf0/0x15f0 [ 94.456008][ T8261] ? mark_lock+0xf0/0x15f0 [ 94.460412][ T8261] ? __lock_acquire+0xbe2/0x52b0 [ 94.465372][ T8261] ? lock_chain_count+0x20/0x20 [ 94.470357][ T8261] ? memset+0x20/0x40 [ 94.474325][ T8261] ? __nla_validate_parse+0xb2/0x1fd0 [ 94.479700][ T8261] ? lock_chain_count+0x20/0x20 [ 94.484555][ T8261] ? __lock_acquire+0xbe2/0x52b0 [ 94.489771][ T8261] ? nla_get_range_signed+0x540/0x540 [ 94.495193][ T8261] ? __lock_acquire+0xbe2/0x52b0 [ 94.500133][ T8261] __rtnl_newlink+0xaca/0x13b0 [ 94.504899][ T8261] ? lock_is_held_type+0xfa/0x130 [ 94.509906][ T8261] ? rtnl_setlink+0x330/0x330 [ 94.514562][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.520259][ T8261] ? lock_release+0x424/0x7e0 [ 94.524918][ T8261] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.530978][ T8261] ? is_bpf_text_address+0x65/0xe0 [ 94.536074][ T8261] ? kernel_text_address+0xbd/0xf0 [ 94.541232][ T8261] ? __kernel_text_address+0x9/0x30 [ 94.546413][ T8261] ? unwind_get_return_address+0x51/0x90 [ 94.552135][ T8261] ? create_prof_cpu_mask+0x20/0x20 [ 94.557702][ T8261] ? arch_stack_walk+0x93/0xe0 [ 94.562470][ T8261] ? stack_trace_save+0x8c/0xc0 [ 94.567313][ T8261] ? stack_trace_consume_entry+0x160/0x160 [ 94.573159][ T8261] ? fs_reclaim_release+0x9c/0xf0 [ 94.579233][ T8261] ? lock_is_held_type+0xfa/0x130 [ 94.584267][ T8261] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 94.589895][ T8261] ? trace_kmalloc+0x32/0xf0 [ 94.594479][ T8261] ? kmem_cache_alloc_trace+0x20b/0x440 [ 94.600104][ T8261] rtnl_newlink+0x5a/0x90 [ 94.604423][ T8261] rtnetlink_rcv_msg+0x31d/0x8d0 [ 94.609444][ T8261] ? __dev_queue_xmit+0x14ef/0x2e20 [ 94.614639][ T8261] ? rtnl_newlink+0x90/0x90 [ 94.619133][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.624754][ T8261] ? netdev_core_pick_tx+0x290/0x290 [ 94.630202][ T8261] ? lock_acquire+0x150/0x5d0 [ 94.634989][ T8261] netlink_rcv_skb+0x118/0x370 [ 94.639736][ T8261] ? rtnl_newlink+0x90/0x90 [ 94.644328][ T8261] ? netlink_ack+0x930/0x930 [ 94.648904][ T8261] ? netlink_deliver_tap+0x130/0x9a0 [ 94.654281][ T8261] netlink_unicast+0x42e/0x700 [ 94.659377][ T8261] ? netlink_attachskb+0x750/0x750 [ 94.664830][ T8261] ? __build_skb_around+0x1f3/0x2b0 [ 94.670366][ T8261] netlink_sendmsg+0x704/0xbf0 [ 94.676151][ T8261] ? netlink_unicast+0x700/0x700 [ 94.681180][ T8261] ? netlink_unicast+0x700/0x700 [ 94.686127][ T8261] sock_sendmsg+0xab/0xe0 [ 94.690451][ T8261] ____sys_sendmsg+0x5bf/0x7a0 [ 94.695207][ T8261] ? kernel_sendmsg+0x30/0x30 [ 94.699867][ T8261] ? do_recvmmsg+0x550/0x550 [ 94.704604][ T8261] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 94.710790][ T8261] ___sys_sendmsg+0xd3/0x150 [ 94.715385][ T8261] ? sendmsg_copy_msghdr+0x110/0x110 [ 94.720660][ T8261] ? find_held_lock+0x2d/0x110 [ 94.725414][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.731079][ T8261] ? lock_release+0x424/0x7e0 [ 94.735745][ T8261] ? __fget_files+0x17c/0x2e0 [ 94.740405][ T8261] ? lock_downgrade+0x7b0/0x7b0 [ 94.745970][ T8261] ? find_held_lock+0x2d/0x110 [ 94.750715][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.756341][ T8261] ? lock_is_held_type+0xfa/0x130 [ 94.761353][ T8261] ? __fget_files+0x194/0x2e0 [ 94.766103][ T8261] ? __fget_light+0xbe/0x220 [ 94.770690][ T8261] __sys_sendmsg+0xb2/0x140 [ 94.775357][ T8261] ? __sys_sendmsg_sock+0x10/0x10 [ 94.780464][ T8261] ? check_preemption_disabled+0x36/0xd0 [ 94.786712][ T8261] ? syscall_enter_from_user_mode+0x1d/0x60 [ 94.792680][ T8261] ? lockdep_hardirqs_on+0x54/0x100 [ 94.798149][ T8261] do_syscall_64+0x35/0xb0 [ 94.802647][ T8261] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.808712][ T8261] RIP: 0033:0x464d29 [ 94.812702][ T8261] 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 [ 94.832923][ T8261] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.841616][ T8261] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 94.849704][ T8261] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 94.857671][ T8261] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 94.865917][ T8261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 94.874197][ T8261] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 95.238246][ T8286] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 95.255865][ T8293] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 95.277701][ T8289] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 95.299570][ T8292] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 95.325469][ T8294] FAULT_INJECTION: forcing a failure. [ 95.325469][ T8294] name failslab, interval 1, probability 0, space 0, times 0 [ 95.376426][ T8294] CPU: 1 PID: 8294 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 95.385218][ T8294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.395284][ T8294] Call Trace: [ 95.398723][ T8294] dump_stack_lvl+0xbd/0xe2 [ 95.403233][ T8294] should_fail.cold+0x5/0xa [ 95.407834][ T8294] should_failslab+0x5/0x10 [ 95.412418][ T8294] kmem_cache_alloc_trace+0x57/0x440 [ 95.417725][ T8294] masq_inet6_event+0x231/0x540 [ 95.422583][ T8294] ? inet6_cmp+0x220/0x220 [ 95.427018][ T8294] ? lockdep_hardirqs_on+0x54/0x100 [ 95.432262][ T8294] ? _raw_spin_unlock_irqrestore+0x2d/0x90 [ 95.438076][ T8294] notifier_call_chain+0x94/0x170 [ 95.443119][ T8294] atomic_notifier_call_chain+0x54/0xf0 [ 95.449191][ T8294] addrconf_ifdown.isra.0+0x7b2/0x10e0 [ 95.454765][ T8294] ? add_addr+0x2c0/0x2c0 [ 95.459098][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.464823][ T8294] ? lock_is_held_type+0xfa/0x130 [ 95.469852][ T8294] addrconf_notify+0x44f/0x1d40 [ 95.474711][ T8294] ? mark_held_locks+0x9f/0xe0 [ 95.479636][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.485357][ T8294] ? tls_device_sk_destruct+0x610/0x610 [ 95.491014][ T8294] ? clusterip_netdev_event+0x34e/0x550 [ 95.496562][ T8294] ? inet6_ifinfo_notify+0x100/0x100 [ 95.502127][ T8294] ? __local_bh_enable_ip+0x11f/0x220 [ 95.507504][ T8294] ? clusterip_netdev_event+0x34e/0x550 [ 95.513149][ T8294] notifier_call_chain+0x94/0x170 [ 95.518211][ T8294] __dev_change_net_namespace+0x373/0x1120 [ 95.524275][ T8294] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 95.530031][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.535935][ T8294] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 95.541157][ T8294] ? security_capable+0x4c/0x90 [ 95.546450][ T8294] ? ns_capable+0x4c/0xc0 [ 95.550792][ T8294] do_setlink+0x1d3/0x2cb0 [ 95.555220][ T8294] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 95.561208][ T8294] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 95.567192][ T8294] ? orc_sort_cmp+0xd0/0x140 [ 95.571793][ T8294] ? rtnetlink_put_metrics+0x480/0x480 [ 95.577432][ T8294] ? mark_lock+0xf0/0x15f0 [ 95.581859][ T8294] ? mark_lock+0xf0/0x15f0 [ 95.586277][ T8294] ? __lock_acquire+0xbe2/0x52b0 [ 95.591496][ T8294] ? lock_chain_count+0x20/0x20 [ 95.596442][ T8294] ? memset+0x20/0x40 [ 95.600945][ T8294] ? __nla_validate_parse+0xb2/0x1fd0 [ 95.606591][ T8294] ? lock_chain_count+0x20/0x20 [ 95.611444][ T8294] ? __lock_acquire+0xbe2/0x52b0 [ 95.616444][ T8294] ? nla_get_range_signed+0x540/0x540 [ 95.621935][ T8294] ? __lock_acquire+0xbe2/0x52b0 [ 95.626985][ T8294] __rtnl_newlink+0xaca/0x13b0 [ 95.631854][ T8294] ? lock_is_held_type+0xfa/0x130 [ 95.636904][ T8294] ? rtnl_setlink+0x330/0x330 [ 95.641683][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.647535][ T8294] ? lock_release+0x424/0x7e0 [ 95.652232][ T8294] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.658405][ T8294] ? is_bpf_text_address+0x65/0xe0 [ 95.663529][ T8294] ? kernel_text_address+0xbd/0xf0 [ 95.668646][ T8294] ? __kernel_text_address+0x9/0x30 [ 95.673856][ T8294] ? unwind_get_return_address+0x51/0x90 [ 95.679493][ T8294] ? create_prof_cpu_mask+0x20/0x20 [ 95.684700][ T8294] ? arch_stack_walk+0x93/0xe0 [ 95.689654][ T8294] ? stack_trace_save+0x8c/0xc0 [ 95.694601][ T8294] ? stack_trace_consume_entry+0x160/0x160 [ 95.700788][ T8294] ? fs_reclaim_release+0x9c/0xf0 [ 95.705826][ T8294] ? lock_is_held_type+0xfa/0x130 [ 95.711044][ T8294] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 95.716770][ T8294] ? trace_kmalloc+0x32/0xf0 [ 95.721436][ T8294] ? kmem_cache_alloc_trace+0x20b/0x440 [ 95.727057][ T8294] rtnl_newlink+0x5a/0x90 [ 95.731462][ T8294] rtnetlink_rcv_msg+0x31d/0x8d0 [ 95.737338][ T8294] ? __dev_queue_xmit+0x14ef/0x2e20 [ 95.742525][ T8294] ? rtnl_newlink+0x90/0x90 [ 95.747195][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.752826][ T8294] ? netdev_core_pick_tx+0x290/0x290 [ 95.758093][ T8294] ? lock_acquire+0x150/0x5d0 [ 95.762755][ T8294] netlink_rcv_skb+0x118/0x370 [ 95.767501][ T8294] ? rtnl_newlink+0x90/0x90 [ 95.772068][ T8294] ? netlink_ack+0x930/0x930 [ 95.776629][ T8294] ? netlink_deliver_tap+0x130/0x9a0 [ 95.781918][ T8294] netlink_unicast+0x42e/0x700 [ 95.786665][ T8294] ? netlink_attachskb+0x750/0x750 [ 95.791857][ T8294] ? __build_skb_around+0x1f3/0x2b0 [ 95.797699][ T8294] netlink_sendmsg+0x704/0xbf0 [ 95.802461][ T8294] ? netlink_unicast+0x700/0x700 [ 95.807500][ T8294] ? netlink_unicast+0x700/0x700 [ 95.812700][ T8294] sock_sendmsg+0xab/0xe0 [ 95.817585][ T8294] ____sys_sendmsg+0x5bf/0x7a0 [ 95.822446][ T8294] ? kernel_sendmsg+0x30/0x30 [ 95.827322][ T8294] ? do_recvmmsg+0x550/0x550 [ 95.832004][ T8294] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 95.838193][ T8294] ___sys_sendmsg+0xd3/0x150 [ 95.843049][ T8294] ? sendmsg_copy_msghdr+0x110/0x110 [ 95.848765][ T8294] ? find_held_lock+0x2d/0x110 [ 95.853533][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.859510][ T8294] ? lock_release+0x424/0x7e0 [ 95.864197][ T8294] ? __fget_files+0x17c/0x2e0 [ 95.869041][ T8294] ? lock_downgrade+0x7b0/0x7b0 [ 95.874142][ T8294] ? find_held_lock+0x2d/0x110 [ 95.879160][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.884857][ T8294] ? lock_is_held_type+0xfa/0x130 [ 95.890057][ T8294] ? __fget_files+0x194/0x2e0 [ 95.894769][ T8294] ? __fget_light+0xbe/0x220 [ 95.899338][ T8294] __sys_sendmsg+0xb2/0x140 [ 95.903833][ T8294] ? __sys_sendmsg_sock+0x10/0x10 [ 95.908940][ T8294] ? check_preemption_disabled+0x36/0xd0 [ 95.914730][ T8294] ? syscall_enter_from_user_mode+0x1d/0x60 [ 95.920704][ T8294] ? lockdep_hardirqs_on+0x54/0x100 [ 95.925992][ T8294] do_syscall_64+0x35/0xb0 [ 95.930627][ T8294] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 95.936616][ T8294] RIP: 0033:0x464d29 [ 95.940549][ T8294] 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 [ 95.960272][ T8294] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.969635][ T8294] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 95.977612][ T8294] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 95.985582][ T8294] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 95.993642][ T8294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 96.001598][ T8294] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 96.160794][ T8328] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 96.499715][ T8328] FAULT_INJECTION: forcing a failure. [ 96.499715][ T8328] name failslab, interval 1, probability 0, space 0, times 0 [ 96.513064][ T8328] CPU: 1 PID: 8328 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 96.522084][ T8328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.532144][ T8328] Call Trace: [ 96.535516][ T8328] dump_stack_lvl+0xbd/0xe2 [ 96.540117][ T8328] should_fail.cold+0x5/0xa [ 96.544626][ T8328] ? mark_held_locks+0x9f/0xe0 [ 96.549397][ T8328] should_failslab+0x5/0x10 [ 96.553910][ T8328] kmem_cache_alloc_node_trace+0x66/0x570 [ 96.559657][ T8328] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 96.565221][ T8328] __kmalloc_node_track_caller+0x38/0x60 [ 96.570873][ T8328] __alloc_skb+0x8b/0x280 [ 96.575926][ T8328] __neigh_notify+0x7f/0x110 [ 96.580529][ T8328] neigh_cleanup_and_release+0x5a/0x220 [ 96.586241][ T8328] neigh_flush_dev+0x4a7/0x7e0 [ 96.591003][ T8328] ? lock_release+0x424/0x7e0 [ 96.595679][ T8328] __neigh_ifdown.isra.0+0x44/0x390 [ 96.600908][ T8328] ? __local_bh_enable_ip+0x11f/0x220 [ 96.606294][ T8328] ? rt6_disable_ip+0x491/0x6b0 [ 96.611154][ T8328] neigh_ifdown+0x7/0x10 [ 96.615655][ T8328] rt6_disable_ip+0x56c/0x6b0 [ 96.620336][ T8328] ? rt6_sync_down_dev+0x120/0x120 [ 96.625715][ T8328] ? mark_lock+0xf0/0x15f0 [ 96.630247][ T8328] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 96.635641][ T8328] ? lock_chain_count+0x20/0x20 [ 96.641465][ T8328] ? add_addr+0x2c0/0x2c0 [ 96.645971][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 96.651610][ T8328] ? lock_is_held_type+0xfa/0x130 [ 96.656658][ T8328] addrconf_notify+0x44f/0x1d40 [ 96.661685][ T8328] ? mark_held_locks+0x9f/0xe0 [ 96.666457][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 96.672095][ T8328] ? tls_device_sk_destruct+0x610/0x610 [ 96.677646][ T8328] ? clusterip_netdev_event+0x34e/0x550 [ 96.683196][ T8328] ? inet6_ifinfo_notify+0x100/0x100 [ 96.688768][ T8328] ? __local_bh_enable_ip+0x11f/0x220 [ 96.694317][ T8328] ? clusterip_netdev_event+0x34e/0x550 [ 96.699872][ T8328] notifier_call_chain+0x94/0x170 [ 96.704900][ T8328] dev_close_many+0x28c/0x560 [ 96.709569][ T8328] ? __lock_acquire+0xbe2/0x52b0 [ 96.714535][ T8328] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 96.720762][ T8328] __dev_change_net_namespace+0xb88/0x1120 [ 96.727384][ T8328] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 96.733017][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 96.738848][ T8328] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 96.744843][ T8328] ? security_capable+0x4c/0x90 [ 96.749779][ T8328] ? ns_capable+0x4c/0xc0 [ 96.754111][ T8328] do_setlink+0x1d3/0x2cb0 [ 96.758846][ T8328] ? rtnetlink_put_metrics+0x480/0x480 [ 96.764574][ T8328] ? mark_lock+0xf0/0x15f0 [ 96.768995][ T8328] ? lock_chain_count+0x20/0x20 [ 96.773940][ T8328] ? lock_chain_count+0x20/0x20 [ 96.778806][ T8328] ? lock_is_held_type+0xd9/0x130 [ 96.783838][ T8328] ? memset+0x20/0x40 [ 96.787806][ T8328] ? __nla_validate_parse+0xb2/0x1fd0 [ 96.793261][ T8328] ? nla_get_range_signed+0x540/0x540 [ 96.798627][ T8328] ? __lock_acquire+0xbe2/0x52b0 [ 96.803626][ T8328] __rtnl_newlink+0xaca/0x13b0 [ 96.808503][ T8328] ? lock_is_held_type+0xfa/0x130 [ 96.813948][ T8328] ? rtnl_setlink+0x330/0x330 [ 96.818632][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 96.824443][ T8328] ? lock_release+0x424/0x7e0 [ 96.829517][ T8328] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.835689][ T8328] ? is_bpf_text_address+0x65/0xe0 [ 96.841068][ T8328] ? kernel_text_address+0xbd/0xf0 [ 96.846467][ T8328] ? __kernel_text_address+0x9/0x30 [ 96.851752][ T8328] ? unwind_get_return_address+0x51/0x90 [ 96.857965][ T8328] ? create_prof_cpu_mask+0x20/0x20 [ 96.863486][ T8328] ? arch_stack_walk+0x93/0xe0 [ 96.868605][ T8328] ? stack_trace_save+0x8c/0xc0 [ 96.873627][ T8328] ? stack_trace_consume_entry+0x160/0x160 [ 96.879625][ T8328] ? fs_reclaim_release+0x9c/0xf0 [ 96.884833][ T8328] ? lock_is_held_type+0xfa/0x130 [ 96.890227][ T8328] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 96.896063][ T8328] ? trace_kmalloc+0x32/0xf0 [ 96.900636][ T8328] ? kmem_cache_alloc_trace+0x20b/0x440 [ 96.906190][ T8328] rtnl_newlink+0x5a/0x90 [ 96.910525][ T8328] rtnetlink_rcv_msg+0x31d/0x8d0 [ 96.915480][ T8328] ? __dev_queue_xmit+0x14ef/0x2e20 [ 96.920925][ T8328] ? rtnl_newlink+0x90/0x90 [ 96.926045][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 96.931948][ T8328] ? netdev_core_pick_tx+0x290/0x290 [ 96.937330][ T8328] ? lock_acquire+0x150/0x5d0 [ 96.942106][ T8328] netlink_rcv_skb+0x118/0x370 [ 96.946981][ T8328] ? rtnl_newlink+0x90/0x90 [ 96.951482][ T8328] ? netlink_ack+0x930/0x930 [ 96.956063][ T8328] ? netlink_deliver_tap+0x130/0x9a0 [ 96.961354][ T8328] netlink_unicast+0x42e/0x700 [ 96.966144][ T8328] ? netlink_attachskb+0x750/0x750 [ 96.971267][ T8328] ? __build_skb_around+0x1f3/0x2b0 [ 96.976482][ T8328] netlink_sendmsg+0x704/0xbf0 [ 96.981250][ T8328] ? netlink_unicast+0x700/0x700 [ 96.986411][ T8328] ? netlink_unicast+0x700/0x700 [ 96.991533][ T8328] sock_sendmsg+0xab/0xe0 [ 96.995914][ T8328] ____sys_sendmsg+0x5bf/0x7a0 [ 97.000669][ T8328] ? kernel_sendmsg+0x30/0x30 [ 97.005437][ T8328] ? do_recvmmsg+0x550/0x550 [ 97.010030][ T8328] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 97.016111][ T8328] ___sys_sendmsg+0xd3/0x150 [ 97.020784][ T8328] ? sendmsg_copy_msghdr+0x110/0x110 [ 97.026088][ T8328] ? find_held_lock+0x2d/0x110 [ 97.030965][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 97.036945][ T8328] ? lock_release+0x424/0x7e0 [ 97.041709][ T8328] ? __fget_files+0x17c/0x2e0 [ 97.046385][ T8328] ? lock_downgrade+0x7b0/0x7b0 [ 97.051239][ T8328] ? find_held_lock+0x2d/0x110 [ 97.056012][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 97.062501][ T8328] ? lock_is_held_type+0xfa/0x130 [ 97.067847][ T8328] ? __fget_files+0x194/0x2e0 [ 97.072625][ T8328] ? __fget_light+0xbe/0x220 [ 97.077315][ T8328] __sys_sendmsg+0xb2/0x140 [ 97.081896][ T8328] ? __sys_sendmsg_sock+0x10/0x10 [ 97.086921][ T8328] ? check_preemption_disabled+0x36/0xd0 [ 97.092546][ T8328] ? syscall_enter_from_user_mode+0x1d/0x60 [ 97.098619][ T8328] ? lockdep_hardirqs_on+0x54/0x100 [ 97.103809][ T8328] do_syscall_64+0x35/0xb0 [ 97.108212][ T8328] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 97.114352][ T8328] RIP: 0033:0x464d29 [ 97.118368][ T8328] 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 [ 97.138253][ T8328] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.146659][ T8328] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 97.155148][ T8328] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 97.163107][ T8328] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 97.171270][ T8328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 97.179245][ T8328] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 97.369677][ T8328] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 97.410492][ T8328] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 97.423166][ T8328] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 97.437760][ T8328] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 97.450307][ T8328] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 97.461413][ T8328] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 97.472733][ T8328] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 97.483143][ T8328] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 97.494380][ T8328] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 2021/07/12 15:32:45 executed programs: 87 [ 97.505166][ T8328] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 97.516263][ T8328] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 97.568073][ T8385] __nla_validate_parse: 1 callbacks suppressed [ 97.568082][ T8385] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 97.644532][ T8388] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 97.677944][ T8389] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 97.709282][ T8390] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 98.155847][ T8433] FAULT_INJECTION: forcing a failure. [ 98.155847][ T8433] name failslab, interval 1, probability 0, space 0, times 0 [ 98.170018][ T8433] CPU: 1 PID: 8433 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 98.178882][ T8433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.189205][ T8433] Call Trace: [ 98.192483][ T8433] dump_stack_lvl+0xbd/0xe2 [ 98.197190][ T8433] should_fail.cold+0x5/0xa [ 98.201870][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.207657][ T8433] should_failslab+0x5/0x10 [ 98.212528][ T8433] kmem_cache_alloc_trace+0x57/0x440 [ 98.217805][ T8433] ? lockdep_hardirqs_on+0x54/0x100 [ 98.223073][ T8433] masq_inet6_event+0x231/0x540 [ 98.227914][ T8433] ? inet6_cmp+0x220/0x220 [ 98.232325][ T8433] notifier_call_chain+0x94/0x170 [ 98.237434][ T8433] atomic_notifier_call_chain+0x54/0xf0 [ 98.243259][ T8433] addrconf_ifdown.isra.0+0x7b2/0x10e0 [ 98.248729][ T8433] ? add_addr+0x2c0/0x2c0 [ 98.253044][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.258927][ T8433] ? lock_is_held_type+0xfa/0x130 [ 98.263935][ T8433] addrconf_notify+0x44f/0x1d40 [ 98.269017][ T8433] ? mark_held_locks+0x9f/0xe0 [ 98.273783][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.279824][ T8433] ? tls_device_sk_destruct+0x610/0x610 [ 98.285360][ T8433] ? clusterip_netdev_event+0x34e/0x550 [ 98.291011][ T8433] ? inet6_ifinfo_notify+0x100/0x100 [ 98.296621][ T8433] ? __local_bh_enable_ip+0x11f/0x220 [ 98.301984][ T8433] ? clusterip_netdev_event+0x34e/0x550 [ 98.307528][ T8433] notifier_call_chain+0x94/0x170 [ 98.312547][ T8433] dev_close_many+0x28c/0x560 [ 98.317229][ T8433] ? __lock_acquire+0xbe2/0x52b0 [ 98.322245][ T8433] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 98.328396][ T8433] __dev_change_net_namespace+0xb88/0x1120 [ 98.334379][ T8433] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 98.340023][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.345980][ T8433] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 98.351278][ T8433] ? security_capable+0x4c/0x90 [ 98.356231][ T8433] ? ns_capable+0x4c/0xc0 [ 98.360552][ T8433] do_setlink+0x1d3/0x2cb0 [ 98.365046][ T8433] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 98.371020][ T8433] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 98.377352][ T8433] ? orc_sort_cmp+0xd0/0x140 [ 98.382025][ T8433] ? rtnetlink_put_metrics+0x480/0x480 [ 98.387747][ T8433] ? mark_lock+0xf0/0x15f0 [ 98.392155][ T8433] ? mark_lock+0xf0/0x15f0 [ 98.396671][ T8433] ? __lock_acquire+0xbe2/0x52b0 [ 98.401861][ T8433] ? lock_chain_count+0x20/0x20 [ 98.406957][ T8433] ? memset+0x20/0x40 [ 98.411112][ T8433] ? __nla_validate_parse+0xb2/0x1fd0 [ 98.416620][ T8433] ? __lock_acquire+0xbe2/0x52b0 [ 98.421560][ T8433] ? nla_get_range_signed+0x540/0x540 [ 98.427034][ T8433] ? __lock_acquire+0xbe2/0x52b0 [ 98.431987][ T8433] __rtnl_newlink+0xaca/0x13b0 [ 98.436744][ T8433] ? lock_chain_count+0x3/0x20 [ 98.441610][ T8433] ? lock_is_held_type+0xfa/0x130 [ 98.446810][ T8433] ? rtnl_setlink+0x330/0x330 [ 98.451470][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.457437][ T8433] ? lock_release+0x424/0x7e0 [ 98.462135][ T8433] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 98.468276][ T8433] ? is_bpf_text_address+0x65/0xe0 [ 98.473406][ T8433] ? kernel_text_address+0xbd/0xf0 [ 98.478628][ T8433] ? __kernel_text_address+0x9/0x30 [ 98.483904][ T8433] ? unwind_get_return_address+0x51/0x90 [ 98.489568][ T8433] ? create_prof_cpu_mask+0x20/0x20 [ 98.494929][ T8433] ? arch_stack_walk+0x93/0xe0 [ 98.499777][ T8433] ? stack_trace_save+0x8c/0xc0 [ 98.504707][ T8433] ? stack_trace_consume_entry+0x160/0x160 [ 98.510557][ T8433] ? fs_reclaim_release+0x9c/0xf0 [ 98.515663][ T8433] ? lock_is_held_type+0xfa/0x130 [ 98.520869][ T8433] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 98.526511][ T8433] ? trace_kmalloc+0x32/0xf0 [ 98.531080][ T8433] ? kmem_cache_alloc_trace+0x20b/0x440 [ 98.536610][ T8433] rtnl_newlink+0x5a/0x90 [ 98.540931][ T8433] rtnetlink_rcv_msg+0x31d/0x8d0 [ 98.545884][ T8433] ? __dev_queue_xmit+0x14ef/0x2e20 [ 98.551063][ T8433] ? rtnl_newlink+0x90/0x90 [ 98.555554][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.561344][ T8433] ? netdev_core_pick_tx+0x290/0x290 [ 98.566622][ T8433] ? lock_acquire+0x150/0x5d0 [ 98.571295][ T8433] netlink_rcv_skb+0x118/0x370 [ 98.576044][ T8433] ? rtnl_newlink+0x90/0x90 [ 98.580710][ T8433] ? netlink_ack+0x930/0x930 [ 98.585384][ T8433] ? netlink_deliver_tap+0x130/0x9a0 [ 98.590676][ T8433] netlink_unicast+0x42e/0x700 [ 98.595528][ T8433] ? netlink_attachskb+0x750/0x750 [ 98.600623][ T8433] ? __build_skb_around+0x1f3/0x2b0 [ 98.605808][ T8433] netlink_sendmsg+0x704/0xbf0 [ 98.610568][ T8433] ? netlink_unicast+0x700/0x700 [ 98.615503][ T8433] ? netlink_unicast+0x700/0x700 [ 98.620427][ T8433] sock_sendmsg+0xab/0xe0 [ 98.624766][ T8433] ____sys_sendmsg+0x5bf/0x7a0 [ 98.629623][ T8433] ? kernel_sendmsg+0x30/0x30 [ 98.634292][ T8433] ? do_recvmmsg+0x550/0x550 [ 98.638956][ T8433] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 98.644921][ T8433] ___sys_sendmsg+0xd3/0x150 [ 98.649884][ T8433] ? sendmsg_copy_msghdr+0x110/0x110 [ 98.655171][ T8433] ? find_held_lock+0x2d/0x110 [ 98.660294][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.665917][ T8433] ? lock_release+0x424/0x7e0 [ 98.670891][ T8433] ? __fget_files+0x17c/0x2e0 [ 98.675800][ T8433] ? lock_downgrade+0x7b0/0x7b0 [ 98.680656][ T8433] ? find_held_lock+0x2d/0x110 [ 98.685495][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.691112][ T8433] ? lock_is_held_type+0xfa/0x130 [ 98.696311][ T8433] ? __fget_files+0x194/0x2e0 [ 98.700982][ T8433] ? __fget_light+0xbe/0x220 [ 98.705772][ T8433] __sys_sendmsg+0xb2/0x140 [ 98.710258][ T8433] ? __sys_sendmsg_sock+0x10/0x10 [ 98.715275][ T8433] ? check_preemption_disabled+0x36/0xd0 [ 98.720991][ T8433] ? syscall_enter_from_user_mode+0x1d/0x60 [ 98.726966][ T8433] ? lockdep_hardirqs_on+0x54/0x100 [ 98.732700][ T8433] do_syscall_64+0x35/0xb0 [ 98.737349][ T8433] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 98.743511][ T8433] RIP: 0033:0x464d29 [ 98.747391][ T8433] 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 [ 98.768446][ T8433] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.776847][ T8433] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 98.785239][ T8433] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 98.793304][ T8433] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 98.801458][ T8433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 98.809702][ T8433] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 98.830982][ T8433] device hsr_slave_1 left promiscuous mode [ 98.909413][ T8394] device veth0_macvtap left promiscuous mode [ 99.024633][ T8394] FAULT_INJECTION: forcing a failure. [ 99.024633][ T8394] name failslab, interval 1, probability 0, space 0, times 0 [ 99.038077][ T8394] CPU: 0 PID: 8394 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 99.046847][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.057926][ T8394] Call Trace: [ 99.061302][ T8394] dump_stack_lvl+0xbd/0xe2 [ 99.066469][ T8394] should_fail.cold+0x5/0xa [ 99.071065][ T8394] ? mark_held_locks+0x9f/0xe0 [ 99.076317][ T8394] should_failslab+0x5/0x10 [ 99.081054][ T8394] kmem_cache_alloc_node_trace+0x66/0x570 [ 99.087136][ T8394] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 99.092851][ T8394] __kmalloc_node_track_caller+0x38/0x60 [ 99.098875][ T8394] __alloc_skb+0x8b/0x280 [ 99.103429][ T8394] __neigh_notify+0x7f/0x110 [ 99.108371][ T8394] neigh_cleanup_and_release+0x5a/0x220 [ 99.114229][ T8394] neigh_flush_dev+0x4a7/0x7e0 [ 99.119470][ T8394] ? lock_release+0x424/0x7e0 [ 99.124247][ T8394] __neigh_ifdown.isra.0+0x44/0x390 [ 99.129616][ T8394] ? __local_bh_enable_ip+0x11f/0x220 [ 99.135339][ T8394] ? rt6_disable_ip+0x491/0x6b0 [ 99.140494][ T8394] neigh_ifdown+0x7/0x10 [ 99.145102][ T8394] rt6_disable_ip+0x56c/0x6b0 [ 99.149919][ T8394] ? rt6_sync_down_dev+0x120/0x120 [ 99.155193][ T8394] ? mark_lock+0xf0/0x15f0 [ 99.159609][ T8394] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 99.165293][ T8394] ? lock_chain_count+0x20/0x20 [ 99.170160][ T8394] ? add_addr+0x2c0/0x2c0 [ 99.174692][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.180572][ T8394] ? lock_is_held_type+0xfa/0x130 [ 99.185965][ T8394] addrconf_notify+0x44f/0x1d40 [ 99.190898][ T8394] ? mark_held_locks+0x9f/0xe0 [ 99.196225][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.202658][ T8394] ? tls_device_sk_destruct+0x610/0x610 [ 99.208491][ T8394] ? clusterip_netdev_event+0x34e/0x550 [ 99.214230][ T8394] ? inet6_ifinfo_notify+0x100/0x100 [ 99.219618][ T8394] ? __local_bh_enable_ip+0x11f/0x220 [ 99.224990][ T8394] ? clusterip_netdev_event+0x34e/0x550 [ 99.230934][ T8394] notifier_call_chain+0x94/0x170 [ 99.236049][ T8394] dev_close_many+0x28c/0x560 [ 99.241674][ T8394] ? __lock_acquire+0xbe2/0x52b0 [ 99.246623][ T8394] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 99.252878][ T8394] __dev_change_net_namespace+0xb88/0x1120 [ 99.258810][ T8394] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 99.264674][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.270382][ T8394] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 99.275568][ T8394] ? security_capable+0x4c/0x90 [ 99.280567][ T8394] ? ns_capable+0x4c/0xc0 [ 99.285076][ T8394] do_setlink+0x1d3/0x2cb0 [ 99.289487][ T8394] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 99.295797][ T8394] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 99.303392][ T8394] ? orc_sort_cmp+0xd0/0x140 [ 99.307972][ T8394] ? rtnetlink_put_metrics+0x480/0x480 [ 99.313429][ T8394] ? mark_lock+0xf0/0x15f0 [ 99.317921][ T8394] ? mark_lock+0xf0/0x15f0 [ 99.322322][ T8394] ? __lock_acquire+0xbe2/0x52b0 [ 99.327593][ T8394] ? lock_chain_count+0x20/0x20 [ 99.332612][ T8394] ? memset+0x20/0x40 [ 99.336590][ T8394] ? __nla_validate_parse+0xb2/0x1fd0 [ 99.341954][ T8394] ? lock_chain_count+0x20/0x20 [ 99.346869][ T8394] ? __lock_acquire+0xbe2/0x52b0 [ 99.351877][ T8394] ? nla_get_range_signed+0x540/0x540 [ 99.357233][ T8394] ? __lock_acquire+0xbe2/0x52b0 [ 99.362179][ T8394] __rtnl_newlink+0xaca/0x13b0 [ 99.367019][ T8394] ? lock_is_held_type+0xfa/0x130 [ 99.372289][ T8394] ? rtnl_setlink+0x330/0x330 [ 99.377049][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.382759][ T8394] ? lock_release+0x424/0x7e0 [ 99.387461][ T8394] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 99.393714][ T8394] ? is_bpf_text_address+0x65/0xe0 [ 99.399067][ T8394] ? kernel_text_address+0xbd/0xf0 [ 99.404161][ T8394] ? __kernel_text_address+0x9/0x30 [ 99.409363][ T8394] ? unwind_get_return_address+0x51/0x90 [ 99.414986][ T8394] ? create_prof_cpu_mask+0x20/0x20 [ 99.420167][ T8394] ? arch_stack_walk+0x93/0xe0 [ 99.424945][ T8394] ? stack_trace_save+0x8c/0xc0 [ 99.429870][ T8394] ? stack_trace_consume_entry+0x160/0x160 [ 99.435808][ T8394] ? fs_reclaim_release+0x9c/0xf0 [ 99.441355][ T8394] ? lock_is_held_type+0xfa/0x130 [ 99.446369][ T8394] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 99.452086][ T8394] ? trace_kmalloc+0x32/0xf0 [ 99.456662][ T8394] ? kmem_cache_alloc_trace+0x20b/0x440 [ 99.462206][ T8394] rtnl_newlink+0x5a/0x90 [ 99.466689][ T8394] rtnetlink_rcv_msg+0x31d/0x8d0 [ 99.471602][ T8394] ? __dev_queue_xmit+0x14ef/0x2e20 [ 99.477039][ T8394] ? rtnl_newlink+0x90/0x90 [ 99.481526][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.487224][ T8394] ? netdev_core_pick_tx+0x290/0x290 [ 99.492489][ T8394] ? lock_acquire+0x150/0x5d0 [ 99.497275][ T8394] netlink_rcv_skb+0x118/0x370 [ 99.502123][ T8394] ? rtnl_newlink+0x90/0x90 [ 99.506603][ T8394] ? netlink_ack+0x930/0x930 [ 99.511193][ T8394] ? netlink_deliver_tap+0x130/0x9a0 [ 99.516473][ T8394] netlink_unicast+0x42e/0x700 [ 99.521316][ T8394] ? netlink_attachskb+0x750/0x750 [ 99.526678][ T8394] ? __build_skb_around+0x1f3/0x2b0 [ 99.531857][ T8394] netlink_sendmsg+0x704/0xbf0 [ 99.536739][ T8394] ? netlink_unicast+0x700/0x700 [ 99.542141][ T8394] ? netlink_unicast+0x700/0x700 [ 99.547062][ T8394] sock_sendmsg+0xab/0xe0 [ 99.551471][ T8394] ____sys_sendmsg+0x5bf/0x7a0 [ 99.556303][ T8394] ? kernel_sendmsg+0x30/0x30 [ 99.560976][ T8394] ? do_recvmmsg+0x550/0x550 [ 99.565552][ T8394] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 99.571599][ T8394] ___sys_sendmsg+0xd3/0x150 [ 99.576266][ T8394] ? sendmsg_copy_msghdr+0x110/0x110 [ 99.581525][ T8394] ? find_held_lock+0x2d/0x110 [ 99.586398][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.592273][ T8394] ? lock_release+0x424/0x7e0 [ 99.596933][ T8394] ? __fget_files+0x17c/0x2e0 [ 99.601781][ T8394] ? lock_downgrade+0x7b0/0x7b0 [ 99.606807][ T8394] ? find_held_lock+0x2d/0x110 [ 99.611681][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.617465][ T8394] ? lock_is_held_type+0xfa/0x130 [ 99.622738][ T8394] ? __fget_files+0x194/0x2e0 [ 99.627408][ T8394] ? __fget_light+0xbe/0x220 [ 99.631975][ T8394] __sys_sendmsg+0xb2/0x140 [ 99.636474][ T8394] ? __sys_sendmsg_sock+0x10/0x10 [ 99.641489][ T8394] ? check_preemption_disabled+0x36/0xd0 [ 99.647114][ T8394] ? syscall_enter_from_user_mode+0x1d/0x60 [ 99.653159][ T8394] ? lockdep_hardirqs_on+0x54/0x100 [ 99.658422][ T8394] do_syscall_64+0x35/0xb0 [ 99.662829][ T8394] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 99.668850][ T8394] RIP: 0033:0x464d29 [ 99.672721][ T8394] 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 [ 99.692912][ T8394] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.701435][ T8394] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 99.709575][ T8394] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 99.717744][ T8394] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 99.725973][ T8394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 99.733952][ T8394] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 99.988750][ T8394] device veth0_macvtap entered promiscuous mode [ 100.029782][ T8422] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 100.105745][ T8431] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 100.426153][ T8434] FAULT_INJECTION: forcing a failure. [ 100.426153][ T8434] name failslab, interval 1, probability 0, space 0, times 0 [ 100.439099][ T8434] CPU: 0 PID: 8434 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 100.448116][ T8434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.458491][ T8434] Call Trace: [ 100.461768][ T8434] dump_stack_lvl+0xbd/0xe2 [ 100.466470][ T8434] should_fail.cold+0x5/0xa [ 100.470964][ T8434] should_failslab+0x5/0x10 [ 100.475563][ T8434] kmem_cache_alloc_node+0x60/0x540 [ 100.480765][ T8434] __alloc_skb+0x153/0x280 [ 100.485434][ T8434] __neigh_notify+0x7f/0x110 [ 100.490019][ T8434] neigh_cleanup_and_release+0x5a/0x220 [ 100.495557][ T8434] neigh_flush_dev+0x4a7/0x7e0 [ 100.500302][ T8434] ? lock_release+0x424/0x7e0 [ 100.505241][ T8434] __neigh_ifdown.isra.0+0x44/0x390 [ 100.510419][ T8434] ? __local_bh_enable_ip+0x11f/0x220 [ 100.515769][ T8434] ? rt6_disable_ip+0x491/0x6b0 [ 100.520601][ T8434] neigh_ifdown+0x7/0x10 [ 100.524818][ T8434] rt6_disable_ip+0x56c/0x6b0 [ 100.529559][ T8434] ? rt6_sync_down_dev+0x120/0x120 [ 100.534651][ T8434] ? mark_lock+0xf0/0x15f0 [ 100.539052][ T8434] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 100.544408][ T8434] ? lock_chain_count+0x20/0x20 [ 100.549330][ T8434] ? add_addr+0x2c0/0x2c0 [ 100.553819][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 100.559444][ T8434] ? lock_is_held_type+0xfa/0x130 [ 100.564458][ T8434] addrconf_notify+0x44f/0x1d40 [ 100.569290][ T8434] ? mark_held_locks+0x9f/0xe0 [ 100.574140][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 100.579770][ T8434] ? tls_device_sk_destruct+0x610/0x610 [ 100.585377][ T8434] ? clusterip_netdev_event+0x34e/0x550 [ 100.591069][ T8434] ? inet6_ifinfo_notify+0x100/0x100 [ 100.596602][ T8434] ? __local_bh_enable_ip+0x11f/0x220 [ 100.601950][ T8434] ? clusterip_netdev_event+0x34e/0x550 [ 100.607479][ T8434] notifier_call_chain+0x94/0x170 [ 100.612501][ T8434] dev_close_many+0x28c/0x560 [ 100.617163][ T8434] ? __lock_acquire+0xbe2/0x52b0 [ 100.622272][ T8434] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 100.628331][ T8434] __dev_change_net_namespace+0xb88/0x1120 [ 100.634116][ T8434] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 100.639775][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 100.645402][ T8434] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 100.650665][ T8434] ? security_capable+0x4c/0x90 [ 100.655681][ T8434] ? ns_capable+0x4c/0xc0 [ 100.659987][ T8434] do_setlink+0x1d3/0x2cb0 [ 100.664564][ T8434] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 100.670524][ T8434] ? __kernel_text_address+0x9/0x30 [ 100.675882][ T8434] ? unwind_get_return_address+0x51/0x90 [ 100.681498][ T8434] ? rtnetlink_put_metrics+0x480/0x480 [ 100.686969][ T8434] ? mark_lock+0xf0/0x15f0 [ 100.691386][ T8434] ? mark_lock+0xf0/0x15f0 [ 100.695811][ T8434] ? __lock_acquire+0xbe2/0x52b0 [ 100.700817][ T8434] ? lock_chain_count+0x20/0x20 [ 100.705753][ T8434] ? memset+0x20/0x40 [ 100.709724][ T8434] ? __nla_validate_parse+0xb2/0x1fd0 [ 100.715090][ T8434] ? lock_chain_count+0x20/0x20 [ 100.719916][ T8434] ? __lock_acquire+0xbe2/0x52b0 [ 100.724929][ T8434] ? nla_get_range_signed+0x540/0x540 [ 100.730302][ T8434] ? __lock_acquire+0xbe2/0x52b0 [ 100.735319][ T8434] __rtnl_newlink+0xaca/0x13b0 [ 100.740084][ T8434] ? lock_is_held_type+0xfa/0x130 [ 100.745097][ T8434] ? rtnl_setlink+0x330/0x330 [ 100.749770][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 100.755387][ T8434] ? lock_release+0x424/0x7e0 [ 100.760260][ T8434] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 100.766530][ T8434] ? is_bpf_text_address+0x65/0xe0 [ 100.771881][ T8434] ? kernel_text_address+0xbd/0xf0 [ 100.777056][ T8434] ? __kernel_text_address+0x9/0x30 [ 100.782332][ T8434] ? unwind_get_return_address+0x51/0x90 [ 100.788058][ T8434] ? create_prof_cpu_mask+0x20/0x20 [ 100.793269][ T8434] ? arch_stack_walk+0x93/0xe0 [ 100.798107][ T8434] ? stack_trace_save+0x8c/0xc0 [ 100.803134][ T8434] ? stack_trace_consume_entry+0x160/0x160 [ 100.809067][ T8434] ? fs_reclaim_release+0x9c/0xf0 [ 100.814098][ T8434] ? lock_is_held_type+0xfa/0x130 [ 100.819179][ T8434] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 100.824734][ T8434] ? trace_kmalloc+0x32/0xf0 [ 100.829312][ T8434] ? kmem_cache_alloc_trace+0x20b/0x440 [ 100.834982][ T8434] rtnl_newlink+0x5a/0x90 [ 100.839312][ T8434] rtnetlink_rcv_msg+0x31d/0x8d0 [ 100.844248][ T8434] ? __dev_queue_xmit+0x14ef/0x2e20 [ 100.849445][ T8434] ? rtnl_newlink+0x90/0x90 [ 100.854023][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 100.859666][ T8434] ? netdev_core_pick_tx+0x290/0x290 [ 100.864955][ T8434] ? lock_acquire+0x150/0x5d0 [ 100.869720][ T8434] netlink_rcv_skb+0x118/0x370 [ 100.874487][ T8434] ? rtnl_newlink+0x90/0x90 [ 100.878994][ T8434] ? netlink_ack+0x930/0x930 [ 100.883612][ T8434] ? netlink_deliver_tap+0x130/0x9a0 [ 100.888991][ T8434] netlink_unicast+0x42e/0x700 [ 100.893771][ T8434] ? netlink_attachskb+0x750/0x750 [ 100.898902][ T8434] ? __build_skb_around+0x1f3/0x2b0 [ 100.904193][ T8434] netlink_sendmsg+0x704/0xbf0 [ 100.908955][ T8434] ? netlink_unicast+0x700/0x700 [ 100.913874][ T8434] ? netlink_unicast+0x700/0x700 [ 100.918898][ T8434] sock_sendmsg+0xab/0xe0 [ 100.923597][ T8434] ____sys_sendmsg+0x5bf/0x7a0 [ 100.928696][ T8434] ? kernel_sendmsg+0x30/0x30 [ 100.933401][ T8434] ? do_recvmmsg+0x550/0x550 [ 100.938748][ T8434] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 100.944977][ T8434] ___sys_sendmsg+0xd3/0x150 [ 100.949571][ T8434] ? sendmsg_copy_msghdr+0x110/0x110 [ 100.955432][ T8434] ? find_held_lock+0x2d/0x110 [ 100.960365][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 100.966158][ T8434] ? lock_release+0x424/0x7e0 [ 100.970828][ T8434] ? __fget_files+0x17c/0x2e0 [ 100.975499][ T8434] ? lock_downgrade+0x7b0/0x7b0 [ 100.980443][ T8434] ? find_held_lock+0x2d/0x110 [ 100.985278][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 100.990924][ T8434] ? lock_is_held_type+0xfa/0x130 [ 100.996210][ T8434] ? __fget_files+0x194/0x2e0 [ 101.001141][ T8434] ? __fget_light+0xbe/0x220 [ 101.005741][ T8434] __sys_sendmsg+0xb2/0x140 [ 101.010249][ T8434] ? __sys_sendmsg_sock+0x10/0x10 [ 101.015267][ T8434] ? check_preemption_disabled+0x36/0xd0 [ 101.021147][ T8434] ? syscall_enter_from_user_mode+0x1d/0x60 [ 101.027032][ T8434] ? lockdep_hardirqs_on+0x54/0x100 [ 101.032308][ T8434] do_syscall_64+0x35/0xb0 [ 101.037048][ T8434] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 101.043097][ T8434] RIP: 0033:0x464d29 [ 101.047000][ T8434] 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 [ 101.069809][ T8434] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.078212][ T8434] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 101.086430][ T8434] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 101.094381][ T8434] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 101.102968][ T8434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 101.111115][ T8434] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 101.733242][ T8434] device veth0_vlan left promiscuous mode [ 101.752794][ T8434] device veth0_vlan entered promiscuous mode [ 101.763288][ T8445] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 101.787758][ T8446] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 101.798523][ T8447] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 101.849608][ T8491] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 102.405720][ T8498] FAULT_INJECTION: forcing a failure. [ 102.405720][ T8498] name failslab, interval 1, probability 0, space 0, times 0 [ 102.418961][ T8498] CPU: 1 PID: 8498 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 102.429388][ T8498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.439631][ T8498] Call Trace: [ 102.442971][ T8498] dump_stack_lvl+0xbd/0xe2 [ 102.447659][ T8498] should_fail.cold+0x5/0xa [ 102.452173][ T8498] ? mark_held_locks+0x9f/0xe0 [ 102.457032][ T8498] should_failslab+0x5/0x10 [ 102.461554][ T8498] kmem_cache_alloc_node_trace+0x66/0x570 [ 102.467558][ T8498] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 102.473647][ T8498] __kmalloc_node_track_caller+0x38/0x60 [ 102.479739][ T8498] __alloc_skb+0x8b/0x280 [ 102.484173][ T8498] __neigh_notify+0x7f/0x110 [ 102.488771][ T8498] neigh_cleanup_and_release+0x5a/0x220 [ 102.494328][ T8498] neigh_flush_dev+0x4a7/0x7e0 [ 102.499103][ T8498] ? lock_release+0x424/0x7e0 [ 102.503884][ T8498] __neigh_ifdown.isra.0+0x44/0x390 [ 102.509192][ T8498] ? __local_bh_enable_ip+0x11f/0x220 [ 102.515034][ T8498] ? rt6_disable_ip+0x491/0x6b0 [ 102.520417][ T8498] neigh_ifdown+0x7/0x10 [ 102.524765][ T8498] rt6_disable_ip+0x56c/0x6b0 [ 102.529548][ T8498] ? rt6_sync_down_dev+0x120/0x120 [ 102.534666][ T8498] ? mark_lock+0xf0/0x15f0 [ 102.539087][ T8498] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 102.544512][ T8498] ? lock_chain_count+0x20/0x20 [ 102.549388][ T8498] ? add_addr+0x2c0/0x2c0 [ 102.553711][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 102.559893][ T8498] ? lock_is_held_type+0xfa/0x130 [ 102.565084][ T8498] addrconf_notify+0x44f/0x1d40 [ 102.570242][ T8498] ? mark_held_locks+0x9f/0xe0 [ 102.575038][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 102.580670][ T8498] ? tls_device_sk_destruct+0x610/0x610 [ 102.586214][ T8498] ? clusterip_netdev_event+0x34e/0x550 [ 102.591941][ T8498] ? inet6_ifinfo_notify+0x100/0x100 [ 102.597233][ T8498] ? __local_bh_enable_ip+0x11f/0x220 [ 102.602602][ T8498] ? clusterip_netdev_event+0x34e/0x550 [ 102.608428][ T8498] notifier_call_chain+0x94/0x170 [ 102.613634][ T8498] dev_close_many+0x28c/0x560 [ 102.618501][ T8498] ? __lock_acquire+0xbe2/0x52b0 [ 102.623713][ T8498] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 102.629789][ T8498] __dev_change_net_namespace+0xb88/0x1120 [ 102.635695][ T8498] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 102.641944][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 102.647587][ T8498] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 102.652876][ T8498] ? security_capable+0x4c/0x90 [ 102.657820][ T8498] ? ns_capable+0x4c/0xc0 [ 102.662320][ T8498] do_setlink+0x1d3/0x2cb0 [ 102.666945][ T8498] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 102.673184][ T8498] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 102.679279][ T8498] ? orc_sort_cmp+0xd0/0x140 [ 102.684034][ T8498] ? rtnetlink_put_metrics+0x480/0x480 [ 102.689593][ T8498] ? mark_lock+0xf0/0x15f0 [ 102.694288][ T8498] ? mark_lock+0xf0/0x15f0 [ 102.698731][ T8498] ? __lock_acquire+0xbe2/0x52b0 [ 102.703655][ T8498] ? lock_chain_count+0x20/0x20 [ 102.708841][ T8498] ? memset+0x20/0x40 [ 102.713133][ T8498] ? __nla_validate_parse+0xb2/0x1fd0 [ 102.718595][ T8498] ? lock_chain_count+0x20/0x20 [ 102.723467][ T8498] ? __lock_acquire+0xbe2/0x52b0 [ 102.728609][ T8498] ? nla_get_range_signed+0x540/0x540 [ 102.734178][ T8498] ? __lock_acquire+0xbe2/0x52b0 [ 102.739152][ T8498] __rtnl_newlink+0xaca/0x13b0 [ 102.743909][ T8498] ? lock_is_held_type+0xfa/0x130 [ 102.748922][ T8498] ? rtnl_setlink+0x330/0x330 [ 102.753580][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 102.759242][ T8498] ? lock_release+0x424/0x7e0 [ 102.763909][ T8498] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 102.769996][ T8498] ? is_bpf_text_address+0x65/0xe0 [ 102.775095][ T8498] ? kernel_text_address+0xbd/0xf0 [ 102.780392][ T8498] ? __kernel_text_address+0x9/0x30 [ 102.785682][ T8498] ? unwind_get_return_address+0x51/0x90 [ 102.791296][ T8498] ? create_prof_cpu_mask+0x20/0x20 [ 102.796573][ T8498] ? arch_stack_walk+0x93/0xe0 [ 102.801740][ T8498] ? stack_trace_save+0x8c/0xc0 [ 102.806658][ T8498] ? stack_trace_consume_entry+0x160/0x160 [ 102.812514][ T8498] ? fs_reclaim_release+0x9c/0xf0 [ 102.817840][ T8498] ? lock_is_held_type+0xfa/0x130 [ 102.823426][ T8498] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 102.829143][ T8498] ? trace_kmalloc+0x32/0xf0 [ 102.833722][ T8498] ? kmem_cache_alloc_trace+0x20b/0x440 [ 102.839544][ T8498] rtnl_newlink+0x5a/0x90 [ 102.843955][ T8498] rtnetlink_rcv_msg+0x31d/0x8d0 [ 102.848981][ T8498] ? __dev_queue_xmit+0x14ef/0x2e20 [ 102.854199][ T8498] ? rtnl_newlink+0x90/0x90 [ 102.858876][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 102.864598][ T8498] ? netdev_core_pick_tx+0x290/0x290 [ 102.870013][ T8498] ? lock_acquire+0x150/0x5d0 [ 102.875216][ T8498] netlink_rcv_skb+0x118/0x370 [ 102.879976][ T8498] ? rtnl_newlink+0x90/0x90 [ 102.884475][ T8498] ? netlink_ack+0x930/0x930 [ 102.889238][ T8498] ? netlink_deliver_tap+0x130/0x9a0 [ 102.894731][ T8498] netlink_unicast+0x42e/0x700 [ 102.899882][ T8498] ? netlink_attachskb+0x750/0x750 [ 102.905076][ T8498] ? __build_skb_around+0x1f3/0x2b0 [ 102.910808][ T8498] netlink_sendmsg+0x704/0xbf0 [ 102.915840][ T8498] ? netlink_unicast+0x700/0x700 [ 102.920996][ T8498] ? netlink_unicast+0x700/0x700 [ 102.926005][ T8498] sock_sendmsg+0xab/0xe0 [ 102.930670][ T8498] ____sys_sendmsg+0x5bf/0x7a0 [ 102.935436][ T8498] ? kernel_sendmsg+0x30/0x30 [ 102.940107][ T8498] ? do_recvmmsg+0x550/0x550 [ 102.944867][ T8498] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 102.950903][ T8498] ___sys_sendmsg+0xd3/0x150 [ 102.955492][ T8498] ? sendmsg_copy_msghdr+0x110/0x110 [ 102.961053][ T8498] ? find_held_lock+0x2d/0x110 [ 102.965814][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 102.972186][ T8498] ? lock_release+0x424/0x7e0 [ 102.977078][ T8498] ? __fget_files+0x17c/0x2e0 [ 102.981755][ T8498] ? lock_downgrade+0x7b0/0x7b0 [ 102.986805][ T8498] ? find_held_lock+0x2d/0x110 [ 102.991571][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 102.997557][ T8498] ? lock_is_held_type+0xfa/0x130 [ 103.002774][ T8498] ? __fget_files+0x194/0x2e0 [ 103.007522][ T8498] ? __fget_light+0xbe/0x220 [ 103.012312][ T8498] __sys_sendmsg+0xb2/0x140 [ 103.016833][ T8498] ? __sys_sendmsg_sock+0x10/0x10 [ 103.022225][ T8498] ? check_preemption_disabled+0x36/0xd0 [ 103.028033][ T8498] ? syscall_enter_from_user_mode+0x1d/0x60 [ 103.033916][ T8498] ? lockdep_hardirqs_on+0x54/0x100 [ 103.039125][ T8498] do_syscall_64+0x35/0xb0 [ 103.043533][ T8498] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 103.049595][ T8498] RIP: 0033:0x464d29 [ 103.053586][ T8498] 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 [ 103.074807][ T8498] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 103.083309][ T8498] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 103.091356][ T8498] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 103.099497][ T8498] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 103.107642][ T8498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 103.115687][ T8498] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 103.247260][ T8498] netdevsim netdevsim2 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0 2021/07/12 15:32:51 executed programs: 98 [ 103.305793][ T8499] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 103.346343][ T8514] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 103.375830][ T8528] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 103.404298][ T8527] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 103.721561][ T8531] FAULT_INJECTION: forcing a failure. [ 103.721561][ T8531] name failslab, interval 1, probability 0, space 0, times 0 [ 103.734524][ T8531] CPU: 0 PID: 8531 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 103.743423][ T8531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.753729][ T8531] Call Trace: [ 103.757000][ T8531] dump_stack_lvl+0xbd/0xe2 [ 103.761825][ T8531] should_fail.cold+0x5/0xa [ 103.766341][ T8531] should_failslab+0x5/0x10 [ 103.770905][ T8531] kmem_cache_alloc_node+0x60/0x540 [ 103.776741][ T8531] __alloc_skb+0x153/0x280 [ 103.781348][ T8531] __neigh_notify+0x7f/0x110 [ 103.785940][ T8531] neigh_cleanup_and_release+0x5a/0x220 [ 103.791602][ T8531] neigh_flush_dev+0x4a7/0x7e0 [ 103.796659][ T8531] ? lock_release+0x424/0x7e0 [ 103.801338][ T8531] __neigh_ifdown.isra.0+0x44/0x390 [ 103.806606][ T8531] ? __local_bh_enable_ip+0x11f/0x220 [ 103.812055][ T8531] ? rt6_disable_ip+0x491/0x6b0 [ 103.816991][ T8531] neigh_ifdown+0x7/0x10 [ 103.821245][ T8531] rt6_disable_ip+0x56c/0x6b0 [ 103.826108][ T8531] ? rt6_sync_down_dev+0x120/0x120 [ 103.831208][ T8531] ? mark_lock+0xf0/0x15f0 [ 103.835605][ T8531] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 103.841184][ T8531] ? lock_chain_count+0x20/0x20 [ 103.846214][ T8531] ? add_addr+0x2c0/0x2c0 [ 103.850532][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 103.856332][ T8531] ? lock_is_held_type+0xfa/0x130 [ 103.861338][ T8531] addrconf_notify+0x44f/0x1d40 [ 103.866810][ T8531] ? mark_held_locks+0x9f/0xe0 [ 103.871675][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 103.877654][ T8531] ? tls_device_sk_destruct+0x610/0x610 [ 103.883208][ T8531] ? clusterip_netdev_event+0x34e/0x550 [ 103.888750][ T8531] ? inet6_ifinfo_notify+0x100/0x100 [ 103.894137][ T8531] ? __local_bh_enable_ip+0x11f/0x220 [ 103.899687][ T8531] ? clusterip_netdev_event+0x34e/0x550 [ 103.905233][ T8531] notifier_call_chain+0x94/0x170 [ 103.910253][ T8531] dev_close_many+0x28c/0x560 [ 103.914909][ T8531] ? __lock_acquire+0xbe2/0x52b0 [ 103.919829][ T8531] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 103.925885][ T8531] __dev_change_net_namespace+0xb88/0x1120 [ 103.931674][ T8531] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 103.937652][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 103.943485][ T8531] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 103.948793][ T8531] ? security_capable+0x4c/0x90 [ 103.953902][ T8531] ? ns_capable+0x4c/0xc0 [ 103.958385][ T8531] do_setlink+0x1d3/0x2cb0 [ 103.962786][ T8531] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 103.968845][ T8531] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 103.974912][ T8531] ? orc_sort_cmp+0xd0/0x140 [ 103.979481][ T8531] ? rtnetlink_put_metrics+0x480/0x480 [ 103.984920][ T8531] ? mark_lock+0xf0/0x15f0 [ 103.989423][ T8531] ? mark_lock+0xf0/0x15f0 [ 103.993953][ T8531] ? __lock_acquire+0xbe2/0x52b0 [ 103.999006][ T8531] ? lock_chain_count+0x20/0x20 [ 104.003857][ T8531] ? memset+0x20/0x40 [ 104.007826][ T8531] ? __nla_validate_parse+0xb2/0x1fd0 [ 104.013209][ T8531] ? lock_chain_count+0x20/0x20 [ 104.018138][ T8531] ? __lock_acquire+0xbe2/0x52b0 [ 104.023074][ T8531] ? nla_get_range_signed+0x540/0x540 [ 104.028621][ T8531] ? __lock_acquire+0xbe2/0x52b0 [ 104.033680][ T8531] __rtnl_newlink+0xaca/0x13b0 [ 104.038451][ T8531] ? lock_is_held_type+0xfa/0x130 [ 104.043527][ T8531] ? rtnl_setlink+0x330/0x330 [ 104.048211][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 104.053828][ T8531] ? lock_release+0x424/0x7e0 [ 104.058747][ T8531] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 104.064872][ T8531] ? is_bpf_text_address+0x65/0xe0 [ 104.070090][ T8531] ? kernel_text_address+0xbd/0xf0 [ 104.075414][ T8531] ? __kernel_text_address+0x9/0x30 [ 104.080635][ T8531] ? unwind_get_return_address+0x51/0x90 [ 104.086264][ T8531] ? create_prof_cpu_mask+0x20/0x20 [ 104.091656][ T8531] ? arch_stack_walk+0x93/0xe0 [ 104.096520][ T8531] ? stack_trace_save+0x8c/0xc0 [ 104.101354][ T8531] ? stack_trace_consume_entry+0x160/0x160 [ 104.107305][ T8531] ? fs_reclaim_release+0x9c/0xf0 [ 104.112375][ T8531] ? lock_is_held_type+0xfa/0x130 [ 104.117567][ T8531] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 104.123205][ T8531] ? trace_kmalloc+0x32/0xf0 [ 104.127873][ T8531] ? kmem_cache_alloc_trace+0x20b/0x440 [ 104.133664][ T8531] rtnl_newlink+0x5a/0x90 [ 104.138218][ T8531] rtnetlink_rcv_msg+0x31d/0x8d0 [ 104.144026][ T8531] ? __dev_queue_xmit+0x14ef/0x2e20 [ 104.149243][ T8531] ? rtnl_newlink+0x90/0x90 [ 104.153831][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 104.159689][ T8531] ? netdev_core_pick_tx+0x290/0x290 [ 104.165156][ T8531] ? lock_acquire+0x150/0x5d0 [ 104.169853][ T8531] netlink_rcv_skb+0x118/0x370 [ 104.174882][ T8531] ? rtnl_newlink+0x90/0x90 [ 104.179592][ T8531] ? netlink_ack+0x930/0x930 [ 104.184470][ T8531] ? netlink_deliver_tap+0x130/0x9a0 [ 104.190382][ T8531] netlink_unicast+0x42e/0x700 [ 104.195140][ T8531] ? netlink_attachskb+0x750/0x750 [ 104.200578][ T8531] ? __build_skb_around+0x1f3/0x2b0 [ 104.206070][ T8531] netlink_sendmsg+0x704/0xbf0 [ 104.210961][ T8531] ? netlink_unicast+0x700/0x700 [ 104.216067][ T8531] ? netlink_unicast+0x700/0x700 [ 104.221251][ T8531] sock_sendmsg+0xab/0xe0 [ 104.225724][ T8531] ____sys_sendmsg+0x5bf/0x7a0 [ 104.230490][ T8531] ? kernel_sendmsg+0x30/0x30 [ 104.235158][ T8531] ? do_recvmmsg+0x550/0x550 [ 104.240038][ T8531] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 104.246467][ T8531] ___sys_sendmsg+0xd3/0x150 [ 104.251178][ T8531] ? sendmsg_copy_msghdr+0x110/0x110 [ 104.256548][ T8531] ? find_held_lock+0x2d/0x110 [ 104.261879][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 104.267516][ T8531] ? lock_release+0x424/0x7e0 [ 104.272294][ T8531] ? __fget_files+0x17c/0x2e0 [ 104.277153][ T8531] ? lock_downgrade+0x7b0/0x7b0 [ 104.282129][ T8531] ? find_held_lock+0x2d/0x110 [ 104.287006][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 104.292638][ T8531] ? lock_is_held_type+0xfa/0x130 [ 104.297672][ T8531] ? __fget_files+0x194/0x2e0 [ 104.303224][ T8531] ? __fget_light+0xbe/0x220 [ 104.307797][ T8531] __sys_sendmsg+0xb2/0x140 [ 104.312297][ T8531] ? __sys_sendmsg_sock+0x10/0x10 [ 104.317322][ T8531] ? check_preemption_disabled+0x36/0xd0 [ 104.322950][ T8531] ? syscall_enter_from_user_mode+0x1d/0x60 [ 104.328905][ T8531] ? lockdep_hardirqs_on+0x54/0x100 [ 104.334172][ T8531] do_syscall_64+0x35/0xb0 [ 104.338684][ T8531] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 104.344652][ T8531] RIP: 0033:0x464d29 [ 104.348638][ T8531] 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 [ 104.368310][ T8531] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.376804][ T8531] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 104.384759][ T8531] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 104.392979][ T8531] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 104.400948][ T8531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 104.409106][ T8531] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 104.685170][ T8532] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 104.727142][ T8583] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 104.815649][ T8585] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 105.168789][ T8589] FAULT_INJECTION: forcing a failure. [ 105.168789][ T8589] name failslab, interval 1, probability 0, space 0, times 0 [ 105.181622][ T8589] CPU: 1 PID: 8589 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 105.190521][ T8589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.201076][ T8589] Call Trace: [ 105.204478][ T8589] dump_stack_lvl+0xbd/0xe2 [ 105.209196][ T8589] should_fail.cold+0x5/0xa [ 105.213706][ T8589] ? mark_held_locks+0x9f/0xe0 [ 105.218819][ T8589] should_failslab+0x5/0x10 [ 105.223339][ T8589] kmem_cache_alloc_node_trace+0x66/0x570 [ 105.229751][ T8589] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 105.235310][ T8589] __kmalloc_node_track_caller+0x38/0x60 [ 105.241035][ T8589] __alloc_skb+0x8b/0x280 [ 105.245632][ T8589] __neigh_notify+0x7f/0x110 [ 105.250415][ T8589] neigh_cleanup_and_release+0x5a/0x220 [ 105.256244][ T8589] neigh_flush_dev+0x4a7/0x7e0 [ 105.261292][ T8589] ? lock_release+0x424/0x7e0 [ 105.266083][ T8589] __neigh_ifdown.isra.0+0x44/0x390 [ 105.271688][ T8589] ? __local_bh_enable_ip+0x11f/0x220 [ 105.277180][ T8589] ? rt6_disable_ip+0x491/0x6b0 [ 105.282305][ T8589] neigh_ifdown+0x7/0x10 [ 105.286719][ T8589] rt6_disable_ip+0x56c/0x6b0 [ 105.291423][ T8589] ? rt6_sync_down_dev+0x120/0x120 [ 105.296867][ T8589] ? mark_lock+0xf0/0x15f0 [ 105.301651][ T8589] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 105.307024][ T8589] ? lock_chain_count+0x20/0x20 [ 105.312135][ T8589] ? add_addr+0x2c0/0x2c0 [ 105.316618][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.322339][ T8589] ? lock_is_held_type+0xfa/0x130 [ 105.327372][ T8589] addrconf_notify+0x44f/0x1d40 [ 105.333434][ T8589] ? mark_held_locks+0x9f/0xe0 [ 105.338359][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.344243][ T8589] ? tls_device_sk_destruct+0x610/0x610 [ 105.350016][ T8589] ? clusterip_netdev_event+0x34e/0x550 [ 105.355960][ T8589] ? inet6_ifinfo_notify+0x100/0x100 [ 105.361543][ T8589] ? __local_bh_enable_ip+0x11f/0x220 [ 105.366933][ T8589] ? clusterip_netdev_event+0x34e/0x550 [ 105.372549][ T8589] notifier_call_chain+0x94/0x170 [ 105.377759][ T8589] dev_close_many+0x28c/0x560 [ 105.382435][ T8589] ? __lock_acquire+0xbe2/0x52b0 [ 105.387470][ T8589] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 105.393553][ T8589] __dev_change_net_namespace+0xb88/0x1120 [ 105.399443][ T8589] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 105.405120][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.410842][ T8589] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 105.416232][ T8589] ? security_capable+0x4c/0x90 [ 105.421315][ T8589] ? ns_capable+0x4c/0xc0 [ 105.425659][ T8589] do_setlink+0x1d3/0x2cb0 [ 105.430079][ T8589] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 105.436409][ T8589] ? __kernel_text_address+0x9/0x30 [ 105.441629][ T8589] ? unwind_get_return_address+0x51/0x90 [ 105.447379][ T8589] ? rtnetlink_put_metrics+0x480/0x480 [ 105.453035][ T8589] ? mark_lock+0xf0/0x15f0 [ 105.457450][ T8589] ? mark_lock+0xf0/0x15f0 [ 105.461879][ T8589] ? __lock_acquire+0xbe2/0x52b0 [ 105.467033][ T8589] ? lock_chain_count+0x20/0x20 [ 105.472049][ T8589] ? memset+0x20/0x40 [ 105.476106][ T8589] ? __nla_validate_parse+0xb2/0x1fd0 [ 105.481582][ T8589] ? lock_chain_count+0x20/0x20 [ 105.486424][ T8589] ? __lock_acquire+0xbe2/0x52b0 [ 105.491665][ T8589] ? nla_get_range_signed+0x540/0x540 [ 105.497150][ T8589] ? __lock_acquire+0xbe2/0x52b0 [ 105.502274][ T8589] __rtnl_newlink+0xaca/0x13b0 [ 105.507132][ T8589] ? lock_is_held_type+0xfa/0x130 [ 105.512590][ T8589] ? rtnl_setlink+0x330/0x330 [ 105.517516][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.523235][ T8589] ? lock_release+0x424/0x7e0 [ 105.528124][ T8589] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 105.534488][ T8589] ? is_bpf_text_address+0x65/0xe0 [ 105.539861][ T8589] ? kernel_text_address+0xbd/0xf0 [ 105.545324][ T8589] ? __kernel_text_address+0x9/0x30 [ 105.552306][ T8589] ? unwind_get_return_address+0x51/0x90 [ 105.558196][ T8589] ? create_prof_cpu_mask+0x20/0x20 [ 105.563839][ T8589] ? arch_stack_walk+0x93/0xe0 [ 105.568871][ T8589] ? stack_trace_save+0x8c/0xc0 [ 105.573707][ T8589] ? stack_trace_consume_entry+0x160/0x160 [ 105.579772][ T8589] ? fs_reclaim_release+0x9c/0xf0 [ 105.584810][ T8589] ? lock_is_held_type+0xfa/0x130 [ 105.589843][ T8589] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 105.595540][ T8589] ? trace_kmalloc+0x32/0xf0 [ 105.600328][ T8589] ? kmem_cache_alloc_trace+0x20b/0x440 [ 105.605882][ T8589] rtnl_newlink+0x5a/0x90 [ 105.610313][ T8589] rtnetlink_rcv_msg+0x31d/0x8d0 [ 105.615395][ T8589] ? __dev_queue_xmit+0x14ef/0x2e20 [ 105.620817][ T8589] ? rtnl_newlink+0x90/0x90 [ 105.625323][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.630947][ T8589] ? netdev_core_pick_tx+0x290/0x290 [ 105.636296][ T8589] ? lock_acquire+0x150/0x5d0 [ 105.640980][ T8589] netlink_rcv_skb+0x118/0x370 [ 105.645839][ T8589] ? rtnl_newlink+0x90/0x90 [ 105.650461][ T8589] ? netlink_ack+0x930/0x930 [ 105.655057][ T8589] ? netlink_deliver_tap+0x130/0x9a0 [ 105.661029][ T8589] netlink_unicast+0x42e/0x700 [ 105.665884][ T8589] ? netlink_attachskb+0x750/0x750 [ 105.670981][ T8589] ? __build_skb_around+0x1f3/0x2b0 [ 105.676285][ T8589] netlink_sendmsg+0x704/0xbf0 [ 105.681050][ T8589] ? netlink_unicast+0x700/0x700 [ 105.686083][ T8589] ? netlink_unicast+0x700/0x700 [ 105.691184][ T8589] sock_sendmsg+0xab/0xe0 [ 105.695506][ T8589] ____sys_sendmsg+0x5bf/0x7a0 [ 105.700544][ T8589] ? kernel_sendmsg+0x30/0x30 [ 105.705227][ T8589] ? do_recvmmsg+0x550/0x550 [ 105.710001][ T8589] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 105.716177][ T8589] ___sys_sendmsg+0xd3/0x150 [ 105.720953][ T8589] ? sendmsg_copy_msghdr+0x110/0x110 [ 105.726234][ T8589] ? find_held_lock+0x2d/0x110 [ 105.730978][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.736602][ T8589] ? lock_release+0x424/0x7e0 [ 105.741275][ T8589] ? __fget_files+0x17c/0x2e0 [ 105.745951][ T8589] ? lock_downgrade+0x7b0/0x7b0 [ 105.750779][ T8589] ? find_held_lock+0x2d/0x110 [ 105.755531][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.761162][ T8589] ? lock_is_held_type+0xfa/0x130 [ 105.766181][ T8589] ? __fget_files+0x194/0x2e0 [ 105.770841][ T8589] ? __fget_light+0xbe/0x220 [ 105.775410][ T8589] __sys_sendmsg+0xb2/0x140 [ 105.779896][ T8589] ? __sys_sendmsg_sock+0x10/0x10 [ 105.784926][ T8589] ? check_preemption_disabled+0x36/0xd0 [ 105.790556][ T8589] ? syscall_enter_from_user_mode+0x1d/0x60 [ 105.796434][ T8589] ? lockdep_hardirqs_on+0x54/0x100 [ 105.801636][ T8589] do_syscall_64+0x35/0xb0 [ 105.806115][ T8589] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 105.812102][ T8589] RIP: 0033:0x464d29 [ 105.816197][ T8589] 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 [ 105.836021][ T8589] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.844514][ T8589] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 105.852660][ T8589] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 105.860728][ T8589] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 105.869232][ T8589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 105.877913][ T8589] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 106.169440][ T8626] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 106.178836][ T8627] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 106.214973][ T8625] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 106.494214][ T8630] FAULT_INJECTION: forcing a failure. [ 106.494214][ T8630] name failslab, interval 1, probability 0, space 0, times 0 [ 106.507212][ T8630] CPU: 1 PID: 8630 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 106.515978][ T8630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.526644][ T8630] Call Trace: [ 106.529920][ T8630] dump_stack_lvl+0xbd/0xe2 [ 106.534412][ T8630] should_fail.cold+0x5/0xa [ 106.539256][ T8630] should_failslab+0x5/0x10 [ 106.543740][ T8630] kmem_cache_alloc_node+0x60/0x540 [ 106.549119][ T8630] __alloc_skb+0x153/0x280 [ 106.553706][ T8630] __neigh_notify+0x7f/0x110 [ 106.558293][ T8630] neigh_cleanup_and_release+0x5a/0x220 [ 106.563917][ T8630] neigh_flush_dev+0x4a7/0x7e0 [ 106.568778][ T8630] ? lock_release+0x424/0x7e0 [ 106.573438][ T8630] __neigh_ifdown.isra.0+0x44/0x390 [ 106.579137][ T8630] ? __local_bh_enable_ip+0x11f/0x220 [ 106.584750][ T8630] ? rt6_disable_ip+0x491/0x6b0 [ 106.589670][ T8630] neigh_ifdown+0x7/0x10 [ 106.593891][ T8630] rt6_disable_ip+0x56c/0x6b0 [ 106.598550][ T8630] ? rt6_sync_down_dev+0x120/0x120 [ 106.603825][ T8630] ? mark_lock+0xf0/0x15f0 [ 106.608246][ T8630] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 106.613605][ T8630] ? lock_chain_count+0x20/0x20 [ 106.618568][ T8630] ? add_addr+0x2c0/0x2c0 [ 106.622879][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 106.628497][ T8630] ? lock_is_held_type+0xfa/0x130 [ 106.633536][ T8630] addrconf_notify+0x44f/0x1d40 [ 106.638541][ T8630] ? mark_held_locks+0x9f/0xe0 [ 106.643297][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 106.648929][ T8630] ? tls_device_sk_destruct+0x610/0x610 [ 106.654557][ T8630] ? clusterip_netdev_event+0x34e/0x550 [ 106.660117][ T8630] ? inet6_ifinfo_notify+0x100/0x100 [ 106.665403][ T8630] ? __local_bh_enable_ip+0x11f/0x220 [ 106.670753][ T8630] ? clusterip_netdev_event+0x34e/0x550 [ 106.676277][ T8630] notifier_call_chain+0x94/0x170 [ 106.681380][ T8630] dev_close_many+0x28c/0x560 [ 106.686217][ T8630] ? __lock_acquire+0xbe2/0x52b0 [ 106.691222][ T8630] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 106.697273][ T8630] __dev_change_net_namespace+0xb88/0x1120 [ 106.703282][ T8630] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 106.708898][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 106.714513][ T8630] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 106.719713][ T8630] ? security_capable+0x4c/0x90 [ 106.724567][ T8630] ? ns_capable+0x4c/0xc0 [ 106.728876][ T8630] do_setlink+0x1d3/0x2cb0 [ 106.733284][ T8630] ? rtnetlink_put_metrics+0x480/0x480 [ 106.738812][ T8630] ? mark_lock+0xf0/0x15f0 [ 106.743306][ T8630] ? lock_chain_count+0x20/0x20 [ 106.748236][ T8630] ? lock_chain_count+0x20/0x20 [ 106.753076][ T8630] ? lock_is_held_type+0xd9/0x130 [ 106.758081][ T8630] ? memset+0x20/0x40 [ 106.762051][ T8630] ? __nla_validate_parse+0xb2/0x1fd0 [ 106.767466][ T8630] ? nla_get_range_signed+0x540/0x540 [ 106.773366][ T8630] ? __lock_acquire+0xbe2/0x52b0 [ 106.778565][ T8630] __rtnl_newlink+0xaca/0x13b0 [ 106.783411][ T8630] ? lock_is_held_type+0xfa/0x130 [ 106.788613][ T8630] ? rtnl_setlink+0x330/0x330 [ 106.793310][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 106.799364][ T8630] ? lock_release+0x424/0x7e0 [ 106.804067][ T8630] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 106.810239][ T8630] ? is_bpf_text_address+0x65/0xe0 [ 106.815434][ T8630] ? kernel_text_address+0xbd/0xf0 [ 106.820718][ T8630] ? __kernel_text_address+0x9/0x30 [ 106.826112][ T8630] ? unwind_get_return_address+0x51/0x90 [ 106.832653][ T8630] ? create_prof_cpu_mask+0x20/0x20 [ 106.838440][ T8630] ? arch_stack_walk+0x93/0xe0 [ 106.843289][ T8630] ? stack_trace_save+0x8c/0xc0 [ 106.848230][ T8630] ? stack_trace_consume_entry+0x160/0x160 [ 106.854277][ T8630] ? fs_reclaim_release+0x9c/0xf0 [ 106.859418][ T8630] ? lock_is_held_type+0xfa/0x130 [ 106.864581][ T8630] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 106.870270][ T8630] ? trace_kmalloc+0x32/0xf0 [ 106.874949][ T8630] ? kmem_cache_alloc_trace+0x20b/0x440 [ 106.880495][ T8630] rtnl_newlink+0x5a/0x90 [ 106.884836][ T8630] rtnetlink_rcv_msg+0x31d/0x8d0 [ 106.889774][ T8630] ? __dev_queue_xmit+0x14ef/0x2e20 [ 106.894962][ T8630] ? rtnl_newlink+0x90/0x90 [ 106.899543][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 106.905185][ T8630] ? netdev_core_pick_tx+0x290/0x290 [ 106.910948][ T8630] ? lock_acquire+0x150/0x5d0 [ 106.915820][ T8630] netlink_rcv_skb+0x118/0x370 [ 106.921009][ T8630] ? rtnl_newlink+0x90/0x90 [ 106.925771][ T8630] ? netlink_ack+0x930/0x930 [ 106.930342][ T8630] ? netlink_deliver_tap+0x130/0x9a0 [ 106.936024][ T8630] netlink_unicast+0x42e/0x700 [ 106.941109][ T8630] ? netlink_attachskb+0x750/0x750 [ 106.946241][ T8630] ? __build_skb_around+0x1f3/0x2b0 [ 106.951444][ T8630] netlink_sendmsg+0x704/0xbf0 [ 106.956199][ T8630] ? netlink_unicast+0x700/0x700 [ 106.961137][ T8630] ? netlink_unicast+0x700/0x700 [ 106.966522][ T8630] sock_sendmsg+0xab/0xe0 [ 106.970938][ T8630] ____sys_sendmsg+0x5bf/0x7a0 [ 106.975795][ T8630] ? kernel_sendmsg+0x30/0x30 [ 106.980472][ T8630] ? do_recvmmsg+0x550/0x550 [ 106.985213][ T8630] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 106.991184][ T8630] ___sys_sendmsg+0xd3/0x150 [ 106.996389][ T8630] ? sendmsg_copy_msghdr+0x110/0x110 [ 107.001670][ T8630] ? find_held_lock+0x2d/0x110 [ 107.006427][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 107.012473][ T8630] ? lock_release+0x424/0x7e0 [ 107.017215][ T8630] ? __fget_files+0x17c/0x2e0 [ 107.022231][ T8630] ? lock_downgrade+0x7b0/0x7b0 [ 107.027152][ T8630] ? find_held_lock+0x2d/0x110 [ 107.032932][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 107.038949][ T8630] ? lock_is_held_type+0xfa/0x130 [ 107.043967][ T8630] ? __fget_files+0x194/0x2e0 [ 107.048646][ T8630] ? __fget_light+0xbe/0x220 [ 107.054005][ T8630] __sys_sendmsg+0xb2/0x140 [ 107.059408][ T8630] ? __sys_sendmsg_sock+0x10/0x10 [ 107.064640][ T8630] ? check_preemption_disabled+0x36/0xd0 [ 107.071024][ T8630] ? syscall_enter_from_user_mode+0x1d/0x60 [ 107.077190][ T8630] ? lockdep_hardirqs_on+0x54/0x100 [ 107.082807][ T8630] do_syscall_64+0x35/0xb0 [ 107.088102][ T8630] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 107.094081][ T8630] RIP: 0033:0x464d29 [ 107.098575][ T8630] 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 [ 107.119945][ T8630] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.128633][ T8630] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 107.136941][ T8630] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 107.145011][ T8630] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 107.153086][ T8630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 107.161051][ T8630] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 107.395232][ T8630] device veth0_macvtap left promiscuous mode [ 107.821464][ T8664] FAULT_INJECTION: forcing a failure. [ 107.821464][ T8664] name failslab, interval 1, probability 0, space 0, times 0 [ 107.849844][ T8664] CPU: 1 PID: 8664 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 107.858545][ T8664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.868859][ T8664] Call Trace: [ 107.872241][ T8664] dump_stack_lvl+0xbd/0xe2 [ 107.876845][ T8664] should_fail.cold+0x5/0xa [ 107.881352][ T8664] should_failslab+0x5/0x10 [ 107.886131][ T8664] kmem_cache_alloc_node+0x60/0x540 [ 107.891423][ T8664] __alloc_skb+0x153/0x280 [ 107.895843][ T8664] mpls_netconf_notify_devconf+0x35/0xc0 [ 107.901567][ T8664] mpls_dev_notify+0x344/0x6d0 [ 107.906339][ T8664] notifier_call_chain+0x94/0x170 [ 107.911488][ T8664] __dev_change_net_namespace+0x373/0x1120 [ 107.917470][ T8664] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 107.923545][ T8664] ? check_preemption_disabled+0x36/0xd0 [ 107.929289][ T8664] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 107.934683][ T8664] ? security_capable+0x4c/0x90 [ 107.939553][ T8664] ? ns_capable+0x4c/0xc0 [ 107.943890][ T8664] do_setlink+0x1d3/0x2cb0 [ 107.948924][ T8664] ? find_held_lock+0x2d/0x110 [ 107.953994][ T8664] ? rtnetlink_put_metrics+0x480/0x480 [ 107.959463][ T8664] ? lock_is_held_type+0xd9/0x130 [ 107.964500][ T8664] ? mark_lock+0xf0/0x15f0 [ 107.968929][ T8664] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 107.974718][ T8664] ? lock_chain_count+0x20/0x20 [ 107.980142][ T8664] ? mark_lock+0xf0/0x15f0 [ 107.984543][ T8664] ? memset+0x20/0x40 [ 107.988512][ T8664] ? __nla_validate_parse+0xb2/0x1fd0 [ 107.993880][ T8664] ? lock_is_held_type+0xd9/0x130 [ 107.998913][ T8664] ? nla_get_range_signed+0x540/0x540 [ 108.004287][ T8664] ? __lock_acquire+0xbe2/0x52b0 [ 108.009335][ T8664] __rtnl_newlink+0xaca/0x13b0 [ 108.014346][ T8664] ? lock_is_held_type+0xfa/0x130 [ 108.019410][ T8664] ? rtnl_setlink+0x330/0x330 [ 108.024084][ T8664] ? check_preemption_disabled+0x36/0xd0 [ 108.029711][ T8664] ? lock_release+0x424/0x7e0 [ 108.034386][ T8664] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 108.040713][ T8664] ? is_bpf_text_address+0x65/0xe0 [ 108.046060][ T8664] ? kernel_text_address+0xbd/0xf0 [ 108.051167][ T8664] ? __kernel_text_address+0x9/0x30 [ 108.056728][ T8664] ? unwind_get_return_address+0x51/0x90 [ 108.062831][ T8664] ? create_prof_cpu_mask+0x20/0x20 [ 108.068019][ T8664] ? arch_stack_walk+0x93/0xe0 [ 108.072792][ T8664] ? stack_trace_save+0x8c/0xc0 [ 108.077639][ T8664] ? stack_trace_consume_entry+0x160/0x160 [ 108.084524][ T8664] ? fs_reclaim_release+0x9c/0xf0 [ 108.089780][ T8664] ? lock_is_held_type+0xfa/0x130 [ 108.095027][ T8664] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 108.100725][ T8664] ? trace_kmalloc+0x32/0xf0 [ 108.105488][ T8664] ? kmem_cache_alloc_trace+0x20b/0x440 [ 108.111712][ T8664] rtnl_newlink+0x5a/0x90 [ 108.116094][ T8664] rtnetlink_rcv_msg+0x31d/0x8d0 [ 108.121043][ T8664] ? __dev_queue_xmit+0x14ef/0x2e20 [ 108.126258][ T8664] ? rtnl_newlink+0x90/0x90 [ 108.130770][ T8664] ? check_preemption_disabled+0x36/0xd0 [ 108.136425][ T8664] ? netdev_core_pick_tx+0x290/0x290 [ 108.141713][ T8664] ? lock_acquire+0x150/0x5d0 [ 108.146806][ T8664] netlink_rcv_skb+0x118/0x370 [ 108.151670][ T8664] ? rtnl_newlink+0x90/0x90 [ 108.156189][ T8664] ? netlink_ack+0x930/0x930 [ 108.160899][ T8664] ? netlink_deliver_tap+0x130/0x9a0 [ 108.166403][ T8664] netlink_unicast+0x42e/0x700 [ 108.171353][ T8664] ? netlink_attachskb+0x750/0x750 [ 108.176458][ T8664] ? __build_skb_around+0x1f3/0x2b0 [ 108.181655][ T8664] netlink_sendmsg+0x704/0xbf0 [ 108.186566][ T8664] ? netlink_unicast+0x700/0x700 [ 108.191601][ T8664] ? netlink_unicast+0x700/0x700 [ 108.196553][ T8664] sock_sendmsg+0xab/0xe0 [ 108.200876][ T8664] ____sys_sendmsg+0x5bf/0x7a0 [ 108.205626][ T8664] ? kernel_sendmsg+0x30/0x30 [ 108.210291][ T8664] ? do_recvmmsg+0x550/0x550 [ 108.214885][ T8664] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 108.220860][ T8664] ___sys_sendmsg+0xd3/0x150 [ 108.225467][ T8664] ? sendmsg_copy_msghdr+0x110/0x110 [ 108.230820][ T8664] ? find_held_lock+0x2d/0x110 [ 108.235683][ T8664] ? check_preemption_disabled+0x36/0xd0 [ 108.241888][ T8664] ? lock_release+0x424/0x7e0 [ 108.246567][ T8664] ? __fget_files+0x17c/0x2e0 [ 108.251424][ T8664] ? lock_downgrade+0x7b0/0x7b0 [ 108.256277][ T8664] ? find_held_lock+0x2d/0x110 [ 108.261030][ T8664] ? check_preemption_disabled+0x36/0xd0 [ 108.266661][ T8664] ? lock_is_held_type+0xfa/0x130 [ 108.271714][ T8664] ? __fget_files+0x194/0x2e0 [ 108.276390][ T8664] ? __fget_light+0xbe/0x220 [ 108.280967][ T8664] __sys_sendmsg+0xb2/0x140 [ 108.285631][ T8664] ? __sys_sendmsg_sock+0x10/0x10 [ 108.290654][ T8664] ? check_preemption_disabled+0x36/0xd0 [ 108.296291][ T8664] ? syscall_enter_from_user_mode+0x1d/0x60 [ 108.302183][ T8664] ? lockdep_hardirqs_on+0x54/0x100 [ 108.307383][ T8664] do_syscall_64+0x35/0xb0 [ 108.311884][ T8664] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 108.317951][ T8664] RIP: 0033:0x464d29 [ 108.321843][ T8664] 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 [ 108.342139][ T8664] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.350533][ T8664] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 108.358585][ T8664] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 108.366630][ T8664] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 108.374799][ T8664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 108.382758][ T8664] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 2021/07/12 15:32:56 executed programs: 110 [ 108.519930][ T8666] FAULT_INJECTION: forcing a failure. [ 108.519930][ T8666] name failslab, interval 1, probability 0, space 0, times 0 [ 108.535075][ T8666] CPU: 0 PID: 8666 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 108.544061][ T8666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.554261][ T8666] Call Trace: [ 108.558087][ T8666] dump_stack_lvl+0xbd/0xe2 [ 108.563271][ T8666] should_fail.cold+0x5/0xa [ 108.568286][ T8666] should_failslab+0x5/0x10 [ 108.573214][ T8666] kmem_cache_alloc_node_trace+0x66/0x570 [ 108.579034][ T8666] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 108.584839][ T8666] __kmalloc_node_track_caller+0x38/0x60 [ 108.590467][ T8666] __alloc_skb+0x8b/0x280 [ 108.594854][ T8666] alloc_uevent_skb+0x76/0x200 [ 108.599801][ T8666] kobject_uevent_env+0xc42/0xf30 [ 108.605028][ T8666] ? check_preemption_disabled+0x36/0xd0 [ 108.610673][ T8666] ? __local_bh_enable_ip+0x11f/0x220 [ 108.616044][ T8666] ? __dev_change_net_namespace+0x3fe/0x1120 [ 108.622202][ T8666] ? lockdep_hardirqs_on+0x54/0x100 [ 108.627593][ T8666] __dev_change_net_namespace+0x80b/0x1120 [ 108.633539][ T8666] ? check_preemption_disabled+0x36/0xd0 [ 108.639255][ T8666] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 108.644669][ T8666] ? security_capable+0x4c/0x90 [ 108.650307][ T8666] ? ns_capable+0x4c/0xc0 [ 108.654641][ T8666] do_setlink+0x1d3/0x2cb0 [ 108.659159][ T8666] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 108.665481][ T8666] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 108.671448][ T8666] ? orc_sort_cmp+0xd0/0x140 [ 108.676028][ T8666] ? rtnetlink_put_metrics+0x480/0x480 [ 108.681499][ T8666] ? mark_lock+0xf0/0x15f0 [ 108.685916][ T8666] ? mark_lock+0xf0/0x15f0 [ 108.690323][ T8666] ? __lock_acquire+0xbe2/0x52b0 [ 108.695555][ T8666] ? lock_chain_count+0x20/0x20 [ 108.700486][ T8666] ? memset+0x20/0x40 [ 108.704451][ T8666] ? __nla_validate_parse+0xb2/0x1fd0 [ 108.710000][ T8666] ? lock_chain_count+0x20/0x20 [ 108.714938][ T8666] ? __lock_acquire+0xbe2/0x52b0 [ 108.720175][ T8666] ? nla_get_range_signed+0x540/0x540 [ 108.725753][ T8666] ? __lock_acquire+0xbe2/0x52b0 [ 108.730688][ T8666] __rtnl_newlink+0xaca/0x13b0 [ 108.735622][ T8666] ? lock_is_held_type+0xfa/0x130 [ 108.740653][ T8666] ? rtnl_setlink+0x330/0x330 [ 108.745403][ T8666] ? check_preemption_disabled+0x36/0xd0 [ 108.751025][ T8666] ? lock_release+0x424/0x7e0 [ 108.755702][ T8666] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 108.761791][ T8666] ? is_bpf_text_address+0x65/0xe0 [ 108.767017][ T8666] ? kernel_text_address+0xbd/0xf0 [ 108.772138][ T8666] ? __kernel_text_address+0x9/0x30 [ 108.777323][ T8666] ? unwind_get_return_address+0x51/0x90 [ 108.783063][ T8666] ? create_prof_cpu_mask+0x20/0x20 [ 108.788258][ T8666] ? arch_stack_walk+0x93/0xe0 [ 108.793046][ T8666] ? stack_trace_save+0x8c/0xc0 [ 108.797881][ T8666] ? stack_trace_consume_entry+0x160/0x160 [ 108.803849][ T8666] ? fs_reclaim_release+0x9c/0xf0 [ 108.808873][ T8666] ? lock_is_held_type+0xfa/0x130 [ 108.813914][ T8666] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 108.819546][ T8666] ? trace_kmalloc+0x32/0xf0 [ 108.824225][ T8666] ? kmem_cache_alloc_trace+0x20b/0x440 [ 108.829845][ T8666] rtnl_newlink+0x5a/0x90 [ 108.834177][ T8666] rtnetlink_rcv_msg+0x31d/0x8d0 [ 108.839257][ T8666] ? __dev_queue_xmit+0x14ef/0x2e20 [ 108.844493][ T8666] ? rtnl_newlink+0x90/0x90 [ 108.849013][ T8666] ? check_preemption_disabled+0x36/0xd0 [ 108.855087][ T8666] ? netdev_core_pick_tx+0x290/0x290 [ 108.860937][ T8666] ? lock_acquire+0x150/0x5d0 [ 108.865733][ T8666] netlink_rcv_skb+0x118/0x370 [ 108.870504][ T8666] ? rtnl_newlink+0x90/0x90 [ 108.875091][ T8666] ? netlink_ack+0x930/0x930 [ 108.880535][ T8666] ? netlink_deliver_tap+0x130/0x9a0 [ 108.885817][ T8666] netlink_unicast+0x42e/0x700 [ 108.890686][ T8666] ? netlink_attachskb+0x750/0x750 [ 108.895791][ T8666] ? __build_skb_around+0x1f3/0x2b0 [ 108.901225][ T8666] netlink_sendmsg+0x704/0xbf0 [ 108.906091][ T8666] ? netlink_unicast+0x700/0x700 [ 108.911133][ T8666] ? netlink_unicast+0x700/0x700 [ 108.916266][ T8666] sock_sendmsg+0xab/0xe0 [ 108.920596][ T8666] ____sys_sendmsg+0x5bf/0x7a0 [ 108.925374][ T8666] ? kernel_sendmsg+0x30/0x30 [ 108.930028][ T8666] ? do_recvmmsg+0x550/0x550 [ 108.934627][ T8666] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 108.940643][ T8666] ? finish_task_switch.isra.0+0x224/0x980 [ 108.946547][ T8666] ? lockdep_hardirqs_on+0x54/0x100 [ 108.951756][ T8666] ___sys_sendmsg+0xd3/0x150 [ 108.956351][ T8666] ? sendmsg_copy_msghdr+0x110/0x110 [ 108.961616][ T8666] ? find_held_lock+0x2d/0x110 [ 108.966396][ T8666] ? check_preemption_disabled+0x36/0xd0 [ 108.972080][ T8666] ? lock_release+0x424/0x7e0 [ 108.977029][ T8666] ? __fget_files+0x17c/0x2e0 [ 108.981704][ T8666] ? lock_downgrade+0x7b0/0x7b0 [ 108.986638][ T8666] ? check_preemption_disabled+0x36/0xd0 [ 108.992254][ T8666] ? lock_is_held_type+0xfa/0x130 [ 108.997269][ T8666] ? __fget_files+0x194/0x2e0 [ 109.002022][ T8666] ? __fget_light+0xbe/0x220 [ 109.006614][ T8666] __sys_sendmsg+0xb2/0x140 [ 109.011244][ T8666] ? __sys_sendmsg_sock+0x10/0x10 [ 109.016293][ T8666] ? check_preemption_disabled+0x36/0xd0 [ 109.021919][ T8666] ? syscall_enter_from_user_mode+0x1d/0x60 [ 109.027800][ T8666] ? lockdep_hardirqs_on+0x54/0x100 [ 109.032985][ T8666] do_syscall_64+0x35/0xb0 [ 109.037395][ T8666] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 109.043439][ T8666] RIP: 0033:0x464d29 [ 109.047574][ T8666] 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 [ 109.068376][ T8666] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.076980][ T8666] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 109.085037][ T8666] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 109.093420][ T8666] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 109.101590][ T8666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 109.109754][ T8666] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 109.200807][ T8700] __nla_validate_parse: 3 callbacks suppressed [ 109.200818][ T8700] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 109.258508][ T8701] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 109.326784][ T8702] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 109.346460][ T8703] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 109.536683][ T8705] FAULT_INJECTION: forcing a failure. [ 109.536683][ T8705] name failslab, interval 1, probability 0, space 0, times 0 [ 109.549373][ T8705] CPU: 1 PID: 8705 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 109.558129][ T8705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.568357][ T8705] Call Trace: [ 109.571645][ T8705] dump_stack_lvl+0xbd/0xe2 [ 109.576173][ T8705] should_fail.cold+0x5/0xa [ 109.580772][ T8705] should_failslab+0x5/0x10 [ 109.585276][ T8705] kmem_cache_alloc_node+0x60/0x540 [ 109.590736][ T8705] __alloc_skb+0x153/0x280 [ 109.595332][ T8705] __neigh_notify+0x7f/0x110 [ 109.600233][ T8705] neigh_cleanup_and_release+0x5a/0x220 [ 109.605771][ T8705] neigh_flush_dev+0x4a7/0x7e0 [ 109.610837][ T8705] ? lock_release+0x424/0x7e0 [ 109.615782][ T8705] __neigh_ifdown.isra.0+0x44/0x390 [ 109.621306][ T8705] ? __local_bh_enable_ip+0x11f/0x220 [ 109.626763][ T8705] ? rt6_disable_ip+0x491/0x6b0 [ 109.631606][ T8705] neigh_ifdown+0x7/0x10 [ 109.635842][ T8705] rt6_disable_ip+0x56c/0x6b0 [ 109.640513][ T8705] ? rt6_sync_down_dev+0x120/0x120 [ 109.645620][ T8705] ? mark_lock+0xf0/0x15f0 [ 109.650130][ T8705] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 109.655846][ T8705] ? lock_chain_count+0x20/0x20 [ 109.660706][ T8705] ? add_addr+0x2c0/0x2c0 [ 109.665518][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 109.671314][ T8705] ? lock_is_held_type+0xfa/0x130 [ 109.676335][ T8705] addrconf_notify+0x44f/0x1d40 [ 109.681176][ T8705] ? mark_held_locks+0x9f/0xe0 [ 109.686093][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 109.691899][ T8705] ? tls_device_sk_destruct+0x610/0x610 [ 109.697453][ T8705] ? clusterip_netdev_event+0x34e/0x550 [ 109.703083][ T8705] ? inet6_ifinfo_notify+0x100/0x100 [ 109.708359][ T8705] ? __local_bh_enable_ip+0x11f/0x220 [ 109.713886][ T8705] ? clusterip_netdev_event+0x34e/0x550 [ 109.719860][ T8705] notifier_call_chain+0x94/0x170 [ 109.724910][ T8705] dev_close_many+0x28c/0x560 [ 109.729749][ T8705] ? __lock_acquire+0xbe2/0x52b0 [ 109.734696][ T8705] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 109.741108][ T8705] __dev_change_net_namespace+0xb88/0x1120 [ 109.746912][ T8705] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 109.752544][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 109.758170][ T8705] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 109.763367][ T8705] ? security_capable+0x4c/0x90 [ 109.768748][ T8705] ? ns_capable+0x4c/0xc0 [ 109.773156][ T8705] do_setlink+0x1d3/0x2cb0 [ 109.777777][ T8705] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 109.784175][ T8705] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 109.790351][ T8705] ? orc_sort_cmp+0xd0/0x140 [ 109.794995][ T8705] ? rtnetlink_put_metrics+0x480/0x480 [ 109.800485][ T8705] ? mark_lock+0xf0/0x15f0 [ 109.805032][ T8705] ? mark_lock+0xf0/0x15f0 [ 109.809433][ T8705] ? __lock_acquire+0xbe2/0x52b0 [ 109.814457][ T8705] ? lock_chain_count+0x20/0x20 [ 109.820091][ T8705] ? memset+0x20/0x40 [ 109.824064][ T8705] ? __nla_validate_parse+0xb2/0x1fd0 [ 109.829436][ T8705] ? lock_chain_count+0x20/0x20 [ 109.834388][ T8705] ? __lock_acquire+0xbe2/0x52b0 [ 109.839316][ T8705] ? nla_get_range_signed+0x540/0x540 [ 109.844823][ T8705] ? __lock_acquire+0xbe2/0x52b0 [ 109.849864][ T8705] __rtnl_newlink+0xaca/0x13b0 [ 109.854809][ T8705] ? lock_is_held_type+0xfa/0x130 [ 109.860279][ T8705] ? rtnl_setlink+0x330/0x330 [ 109.864946][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 109.870580][ T8705] ? lock_release+0x424/0x7e0 [ 109.876214][ T8705] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 109.882312][ T8705] ? is_bpf_text_address+0x65/0xe0 [ 109.887809][ T8705] ? kernel_text_address+0xbd/0xf0 [ 109.892915][ T8705] ? __kernel_text_address+0x9/0x30 [ 109.898113][ T8705] ? unwind_get_return_address+0x51/0x90 [ 109.903742][ T8705] ? create_prof_cpu_mask+0x20/0x20 [ 109.909130][ T8705] ? arch_stack_walk+0x93/0xe0 [ 109.914010][ T8705] ? stack_trace_save+0x8c/0xc0 [ 109.918939][ T8705] ? stack_trace_consume_entry+0x160/0x160 [ 109.924908][ T8705] ? fs_reclaim_release+0x9c/0xf0 [ 109.930040][ T8705] ? lock_is_held_type+0xfa/0x130 [ 109.935064][ T8705] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 109.940688][ T8705] ? trace_kmalloc+0x32/0xf0 [ 109.945277][ T8705] ? kmem_cache_alloc_trace+0x20b/0x440 [ 109.951118][ T8705] rtnl_newlink+0x5a/0x90 [ 109.955466][ T8705] rtnetlink_rcv_msg+0x31d/0x8d0 [ 109.960426][ T8705] ? __dev_queue_xmit+0x14ef/0x2e20 [ 109.965639][ T8705] ? rtnl_newlink+0x90/0x90 [ 109.970141][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 109.975860][ T8705] ? netdev_core_pick_tx+0x290/0x290 [ 109.981230][ T8705] ? lock_acquire+0x150/0x5d0 [ 109.986056][ T8705] netlink_rcv_skb+0x118/0x370 [ 109.990837][ T8705] ? rtnl_newlink+0x90/0x90 [ 109.995441][ T8705] ? netlink_ack+0x930/0x930 [ 110.000020][ T8705] ? netlink_deliver_tap+0x130/0x9a0 [ 110.005359][ T8705] netlink_unicast+0x42e/0x700 [ 110.010304][ T8705] ? netlink_attachskb+0x750/0x750 [ 110.015498][ T8705] ? __build_skb_around+0x1f3/0x2b0 [ 110.020713][ T8705] netlink_sendmsg+0x704/0xbf0 [ 110.025799][ T8705] ? netlink_unicast+0x700/0x700 [ 110.030819][ T8705] ? netlink_unicast+0x700/0x700 [ 110.036208][ T8705] sock_sendmsg+0xab/0xe0 [ 110.040652][ T8705] ____sys_sendmsg+0x5bf/0x7a0 [ 110.045572][ T8705] ? kernel_sendmsg+0x30/0x30 [ 110.050351][ T8705] ? do_recvmmsg+0x550/0x550 [ 110.054951][ T8705] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 110.061591][ T8705] ___sys_sendmsg+0xd3/0x150 [ 110.066526][ T8705] ? sendmsg_copy_msghdr+0x110/0x110 [ 110.071803][ T8705] ? find_held_lock+0x2d/0x110 [ 110.076848][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 110.082562][ T8705] ? lock_release+0x424/0x7e0 [ 110.087417][ T8705] ? __fget_files+0x17c/0x2e0 [ 110.092260][ T8705] ? lock_downgrade+0x7b0/0x7b0 [ 110.097116][ T8705] ? find_held_lock+0x2d/0x110 [ 110.101869][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 110.108040][ T8705] ? lock_is_held_type+0xfa/0x130 [ 110.113750][ T8705] ? __fget_files+0x194/0x2e0 [ 110.118644][ T8705] ? __fget_light+0xbe/0x220 [ 110.123664][ T8705] __sys_sendmsg+0xb2/0x140 [ 110.128165][ T8705] ? __sys_sendmsg_sock+0x10/0x10 [ 110.133197][ T8705] ? check_preemption_disabled+0x36/0xd0 [ 110.138847][ T8705] ? syscall_enter_from_user_mode+0x1d/0x60 [ 110.144756][ T8705] ? lockdep_hardirqs_on+0x54/0x100 [ 110.150214][ T8705] do_syscall_64+0x35/0xb0 [ 110.154640][ T8705] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 110.160794][ T8705] RIP: 0033:0x464d29 [ 110.164703][ T8705] 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 [ 110.184547][ T8705] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.193395][ T8705] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 110.201466][ T8705] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 110.209640][ T8705] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 110.217865][ T8705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 110.225914][ T8705] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 110.519244][ T8726] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 110.564989][ T8727] device veth1_macvtap left promiscuous mode [ 110.795810][ T8727] FAULT_INJECTION: forcing a failure. [ 110.795810][ T8727] name failslab, interval 1, probability 0, space 0, times 0 [ 110.809104][ T8727] CPU: 1 PID: 8727 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 110.818165][ T8727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.828224][ T8727] Call Trace: [ 110.831536][ T8727] dump_stack_lvl+0xbd/0xe2 [ 110.836133][ T8727] should_fail.cold+0x5/0xa [ 110.840645][ T8727] should_failslab+0x5/0x10 [ 110.845164][ T8727] kmem_cache_alloc_node+0x60/0x540 [ 110.850547][ T8727] __alloc_skb+0x153/0x280 [ 110.854975][ T8727] __neigh_notify+0x7f/0x110 [ 110.859571][ T8727] neigh_cleanup_and_release+0x5a/0x220 [ 110.865217][ T8727] neigh_flush_dev+0x4a7/0x7e0 [ 110.869990][ T8727] ? lock_release+0x424/0x7e0 [ 110.874699][ T8727] __neigh_ifdown.isra.0+0x44/0x390 [ 110.880001][ T8727] ? __local_bh_enable_ip+0x11f/0x220 [ 110.885458][ T8727] ? rt6_disable_ip+0x491/0x6b0 [ 110.890593][ T8727] neigh_ifdown+0x7/0x10 [ 110.894857][ T8727] rt6_disable_ip+0x56c/0x6b0 [ 110.899659][ T8727] ? rt6_sync_down_dev+0x120/0x120 [ 110.904771][ T8727] ? mark_lock+0xf0/0x15f0 [ 110.909282][ T8727] addrconf_ifdown.isra.0+0xd0/0x10e0 [ 110.914636][ T8727] ? lock_chain_count+0x20/0x20 [ 110.919841][ T8727] ? add_addr+0x2c0/0x2c0 [ 110.924158][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 110.929936][ T8727] ? lock_is_held_type+0xfa/0x130 [ 110.935053][ T8727] addrconf_notify+0x44f/0x1d40 [ 110.940074][ T8727] ? mark_held_locks+0x9f/0xe0 [ 110.944931][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 110.950646][ T8727] ? tls_device_sk_destruct+0x610/0x610 [ 110.956190][ T8727] ? clusterip_netdev_event+0x34e/0x550 [ 110.961743][ T8727] ? inet6_ifinfo_notify+0x100/0x100 [ 110.967011][ T8727] ? __local_bh_enable_ip+0x11f/0x220 [ 110.972367][ T8727] ? clusterip_netdev_event+0x34e/0x550 [ 110.978230][ T8727] notifier_call_chain+0x94/0x170 [ 110.983277][ T8727] dev_close_many+0x28c/0x560 [ 110.988163][ T8727] ? __lock_acquire+0xbe2/0x52b0 [ 110.993440][ T8727] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 110.999511][ T8727] __dev_change_net_namespace+0xb88/0x1120 [ 111.005443][ T8727] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 111.011090][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 111.016854][ T8727] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 111.022225][ T8727] ? security_capable+0x4c/0x90 [ 111.027091][ T8727] ? ns_capable+0x4c/0xc0 [ 111.031614][ T8727] do_setlink+0x1d3/0x2cb0 [ 111.036039][ T8727] ? update_group_capacity+0x960/0x960 [ 111.041605][ T8727] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 111.047859][ T8727] ? orc_sort_cmp+0xd0/0x140 [ 111.052445][ T8727] ? rtnetlink_put_metrics+0x480/0x480 [ 111.058210][ T8727] ? mark_lock+0xf0/0x15f0 [ 111.062725][ T8727] ? __lock_acquire+0xbe2/0x52b0 [ 111.068014][ T8727] ? lock_chain_count+0x20/0x20 [ 111.072984][ T8727] ? mark_lock+0xf0/0x15f0 [ 111.077583][ T8727] ? memset+0x20/0x40 [ 111.081806][ T8727] ? __nla_validate_parse+0xb2/0x1fd0 [ 111.087176][ T8727] ? nla_get_range_signed+0x540/0x540 [ 111.092538][ T8727] ? __lock_acquire+0xbe2/0x52b0 [ 111.097602][ T8727] __rtnl_newlink+0xaca/0x13b0 [ 111.102364][ T8727] ? lock_is_held_type+0xfa/0x130 [ 111.107502][ T8727] ? rtnl_setlink+0x330/0x330 [ 111.112490][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 111.118117][ T8727] ? lock_release+0x424/0x7e0 [ 111.122987][ T8727] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 111.129609][ T8727] ? is_bpf_text_address+0x65/0xe0 [ 111.134733][ T8727] ? kernel_text_address+0xbd/0xf0 [ 111.140360][ T8727] ? __kernel_text_address+0x9/0x30 [ 111.146085][ T8727] ? unwind_get_return_address+0x51/0x90 [ 111.151902][ T8727] ? create_prof_cpu_mask+0x20/0x20 [ 111.157112][ T8727] ? arch_stack_walk+0x93/0xe0 [ 111.161889][ T8727] ? stack_trace_save+0x8c/0xc0 [ 111.166727][ T8727] ? stack_trace_consume_entry+0x160/0x160 [ 111.172573][ T8727] ? fs_reclaim_release+0x9c/0xf0 [ 111.177605][ T8727] ? lock_is_held_type+0xfa/0x130 [ 111.182795][ T8727] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 111.188445][ T8727] ? trace_kmalloc+0x32/0xf0 [ 111.193229][ T8727] ? kmem_cache_alloc_trace+0x20b/0x440 [ 111.198867][ T8727] rtnl_newlink+0x5a/0x90 [ 111.203726][ T8727] rtnetlink_rcv_msg+0x31d/0x8d0 [ 111.208924][ T8727] ? __dev_queue_xmit+0x14ef/0x2e20 [ 111.214217][ T8727] ? rtnl_newlink+0x90/0x90 [ 111.218809][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 111.224439][ T8727] ? netdev_core_pick_tx+0x290/0x290 [ 111.229831][ T8727] ? lock_acquire+0x150/0x5d0 [ 111.234775][ T8727] netlink_rcv_skb+0x118/0x370 [ 111.239711][ T8727] ? rtnl_newlink+0x90/0x90 [ 111.244206][ T8727] ? netlink_ack+0x930/0x930 [ 111.248779][ T8727] ? netlink_deliver_tap+0x130/0x9a0 [ 111.254073][ T8727] netlink_unicast+0x42e/0x700 [ 111.258843][ T8727] ? netlink_attachskb+0x750/0x750 [ 111.264050][ T8727] ? __build_skb_around+0x1f3/0x2b0 [ 111.269243][ T8727] netlink_sendmsg+0x704/0xbf0 [ 111.273998][ T8727] ? netlink_unicast+0x700/0x700 [ 111.279212][ T8727] ? netlink_unicast+0x700/0x700 [ 111.284453][ T8727] sock_sendmsg+0xab/0xe0 [ 111.288784][ T8727] ____sys_sendmsg+0x5bf/0x7a0 [ 111.293551][ T8727] ? kernel_sendmsg+0x30/0x30 [ 111.298231][ T8727] ? do_recvmmsg+0x550/0x550 [ 111.302831][ T8727] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 111.308821][ T8727] ___sys_sendmsg+0xd3/0x150 [ 111.313471][ T8727] ? sendmsg_copy_msghdr+0x110/0x110 [ 111.318944][ T8727] ? find_held_lock+0x2d/0x110 [ 111.323758][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 111.329502][ T8727] ? lock_release+0x424/0x7e0 [ 111.334178][ T8727] ? __fget_files+0x17c/0x2e0 [ 111.338843][ T8727] ? lock_downgrade+0x7b0/0x7b0 [ 111.343687][ T8727] ? find_held_lock+0x2d/0x110 [ 111.348635][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 111.354349][ T8727] ? lock_is_held_type+0xfa/0x130 [ 111.359520][ T8727] ? __fget_files+0x194/0x2e0 [ 111.364264][ T8727] ? __fget_light+0xbe/0x220 [ 111.368979][ T8727] __sys_sendmsg+0xb2/0x140 [ 111.373695][ T8727] ? __sys_sendmsg_sock+0x10/0x10 [ 111.379286][ T8727] ? check_preemption_disabled+0x36/0xd0 [ 111.385115][ T8727] ? syscall_enter_from_user_mode+0x1d/0x60 [ 111.391029][ T8727] ? lockdep_hardirqs_on+0x54/0x100 [ 111.396239][ T8727] do_syscall_64+0x35/0xb0 [ 111.400930][ T8727] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 111.407078][ T8727] RIP: 0033:0x464d29 [ 111.411068][ T8727] 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 [ 111.431295][ T8727] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.440150][ T8727] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 111.448229][ T8727] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 111.456470][ T8727] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 111.465251][ T8727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 111.473317][ T8727] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 111.711178][ T8727] device veth1_macvtap entered promiscuous mode [ 111.729753][ T8756] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 111.830265][ T8760] FAULT_INJECTION: forcing a failure. [ 111.830265][ T8760] name failslab, interval 1, probability 0, space 0, times 0 [ 111.864346][ T8760] CPU: 1 PID: 8760 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 111.873224][ T8760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.883457][ T8760] Call Trace: [ 111.887194][ T8760] dump_stack_lvl+0xbd/0xe2 [ 111.891733][ T8760] should_fail.cold+0x5/0xa [ 111.896251][ T8760] should_failslab+0x5/0x10 [ 111.900858][ T8760] kmem_cache_alloc_trace+0x57/0x440 [ 111.906181][ T8760] ? kobj_ns_initial+0x70/0x70 [ 111.911240][ T8760] call_usermodehelper_setup+0x7a/0x300 [ 111.916877][ T8760] kobject_uevent_env+0xa93/0xf30 [ 111.922004][ T8760] ? check_preemption_disabled+0x36/0xd0 [ 111.927731][ T8760] ? __local_bh_enable_ip+0x11f/0x220 [ 111.933279][ T8760] ? __dev_change_net_namespace+0x3fe/0x1120 [ 111.939662][ T8760] ? lockdep_hardirqs_on+0x54/0x100 [ 111.945594][ T8760] __dev_change_net_namespace+0x80b/0x1120 [ 111.951640][ T8760] ? check_preemption_disabled+0x36/0xd0 [ 111.957661][ T8760] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 111.962954][ T8760] ? security_capable+0x4c/0x90 [ 111.968270][ T8760] ? ns_capable+0x4c/0xc0 [ 111.972723][ T8760] do_setlink+0x1d3/0x2cb0 [ 111.977146][ T8760] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 111.983220][ T8760] ? __kernel_text_address+0x9/0x30 [ 111.988560][ T8760] ? unwind_get_return_address+0x51/0x90 [ 111.994438][ T8760] ? rtnetlink_put_metrics+0x480/0x480 [ 112.000018][ T8760] ? mark_lock+0xf0/0x15f0 [ 112.004444][ T8760] ? mark_lock+0xf0/0x15f0 [ 112.009018][ T8760] ? __lock_acquire+0xbe2/0x52b0 [ 112.014229][ T8760] ? lock_chain_count+0x20/0x20 [ 112.019603][ T8760] ? memset+0x20/0x40 [ 112.023767][ T8760] ? __nla_validate_parse+0xb2/0x1fd0 [ 112.029267][ T8760] ? lock_chain_count+0x20/0x20 [ 112.034202][ T8760] ? __lock_acquire+0xbe2/0x52b0 [ 112.039398][ T8760] ? nla_get_range_signed+0x540/0x540 [ 112.045013][ T8760] ? __lock_acquire+0xbe2/0x52b0 [ 112.049995][ T8760] __rtnl_newlink+0xaca/0x13b0 [ 112.054774][ T8760] ? lock_is_held_type+0xfa/0x130 [ 112.060001][ T8760] ? rtnl_setlink+0x330/0x330 [ 112.064685][ T8760] ? check_preemption_disabled+0x36/0xd0 [ 112.070687][ T8760] ? lock_release+0x424/0x7e0 [ 112.075458][ T8760] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 112.081529][ T8760] ? is_bpf_text_address+0x65/0xe0 [ 112.086682][ T8760] ? kernel_text_address+0xbd/0xf0 [ 112.092150][ T8760] ? __kernel_text_address+0x9/0x30 [ 112.097635][ T8760] ? unwind_get_return_address+0x51/0x90 [ 112.103461][ T8760] ? create_prof_cpu_mask+0x20/0x20 [ 112.108696][ T8760] ? arch_stack_walk+0x93/0xe0 [ 112.115565][ T8760] ? stack_trace_save+0x8c/0xc0 [ 112.120554][ T8760] ? stack_trace_consume_entry+0x160/0x160 [ 112.127452][ T8760] ? fs_reclaim_release+0x9c/0xf0 [ 112.132645][ T8760] ? lock_is_held_type+0xfa/0x130 [ 112.137696][ T8760] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 112.143663][ T8760] ? trace_kmalloc+0x32/0xf0 [ 112.148235][ T8760] ? kmem_cache_alloc_trace+0x20b/0x440 [ 112.154102][ T8760] rtnl_newlink+0x5a/0x90 [ 112.158614][ T8760] rtnetlink_rcv_msg+0x31d/0x8d0 [ 112.163533][ T8760] ? __dev_queue_xmit+0x14ef/0x2e20 [ 112.168731][ T8760] ? rtnl_newlink+0x90/0x90 [ 112.173221][ T8760] ? check_preemption_disabled+0x36/0xd0 [ 112.179012][ T8760] ? netdev_core_pick_tx+0x290/0x290 [ 112.184544][ T8760] ? lock_acquire+0x150/0x5d0 [ 112.189307][ T8760] netlink_rcv_skb+0x118/0x370 [ 112.194157][ T8760] ? rtnl_newlink+0x90/0x90 [ 112.198656][ T8760] ? netlink_ack+0x930/0x930 [ 112.203223][ T8760] ? netlink_deliver_tap+0x130/0x9a0 [ 112.208501][ T8760] netlink_unicast+0x42e/0x700 [ 112.213346][ T8760] ? netlink_attachskb+0x750/0x750 [ 112.218469][ T8760] ? __build_skb_around+0x1f3/0x2b0 [ 112.223766][ T8760] netlink_sendmsg+0x704/0xbf0 [ 112.228785][ T8760] ? netlink_unicast+0x700/0x700 [ 112.233805][ T8760] ? netlink_unicast+0x700/0x700 [ 112.238914][ T8760] sock_sendmsg+0xab/0xe0 [ 112.243331][ T8760] ____sys_sendmsg+0x5bf/0x7a0 [ 112.248338][ T8760] ? kernel_sendmsg+0x30/0x30 [ 112.253156][ T8760] ? do_recvmmsg+0x550/0x550 [ 112.257906][ T8760] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 112.263903][ T8760] ___sys_sendmsg+0xd3/0x150 [ 112.268486][ T8760] ? sendmsg_copy_msghdr+0x110/0x110 [ 112.274548][ T8760] ? find_held_lock+0x2d/0x110 [ 112.279493][ T8760] ? check_preemption_disabled+0x36/0xd0 [ 112.285443][ T8760] ? lock_release+0x424/0x7e0 [ 112.290111][ T8760] ? __fget_files+0x17c/0x2e0 [ 112.295284][ T8760] ? lock_downgrade+0x7b0/0x7b0 [ 112.300461][ T8760] ? find_held_lock+0x2d/0x110 [ 112.305680][ T8760] ? check_preemption_disabled+0x36/0xd0 [ 112.311417][ T8760] ? lock_is_held_type+0xfa/0x130 [ 112.316965][ T8760] ? __fget_files+0x194/0x2e0 [ 112.321996][ T8760] ? __fget_light+0xbe/0x220 [ 112.327198][ T8760] __sys_sendmsg+0xb2/0x140 [ 112.331722][ T8760] ? __sys_sendmsg_sock+0x10/0x10 [ 112.336837][ T8760] ? check_preemption_disabled+0x36/0xd0 [ 112.342568][ T8760] ? syscall_enter_from_user_mode+0x1d/0x60 [ 112.348544][ T8760] ? lockdep_hardirqs_on+0x54/0x100 [ 112.354351][ T8760] do_syscall_64+0x35/0xb0 [ 112.359057][ T8760] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 112.366064][ T8760] RIP: 0033:0x464d29 [ 112.369960][ T8760] 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 [ 112.390283][ T8760] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.398698][ T8760] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 112.407030][ T8760] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 112.415487][ T8760] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 112.424290][ T8760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 112.432812][ T8760] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 112.479892][ T8785] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 112.548855][ T8784] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 112.650778][ T8787] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 112.918571][ T8792] FAULT_INJECTION: forcing a failure. [ 112.918571][ T8792] name failslab, interval 1, probability 0, space 0, times 0 [ 112.931806][ T8792] CPU: 0 PID: 8792 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 112.940659][ T8792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.951511][ T8792] Call Trace: [ 112.954873][ T8792] dump_stack_lvl+0xbd/0xe2 [ 112.959453][ T8792] should_fail.cold+0x5/0xa [ 112.964073][ T8792] ? lock_acquire+0x212/0x5d0 [ 112.968830][ T8792] ? sctp_addr_wq_mgmt+0x224/0x6d0 [ 112.973940][ T8792] should_failslab+0x5/0x10 [ 112.978432][ T8792] __kmalloc_track_caller+0x7c/0x480 [ 112.983711][ T8792] kmemdup+0x1a/0x40 [ 112.988050][ T8792] sctp_addr_wq_mgmt+0x224/0x6d0 [ 112.993168][ T8792] sctp_inet6addr_event+0x1ec/0x980 [ 112.998467][ T8792] notifier_call_chain+0x94/0x170 [ 113.003479][ T8792] atomic_notifier_call_chain+0x54/0xf0 [ 113.009097][ T8792] addrconf_ifdown.isra.0+0x7b2/0x10e0 [ 113.014555][ T8792] ? add_addr+0x2c0/0x2c0 [ 113.018878][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.024679][ T8792] ? lock_is_held_type+0xfa/0x130 [ 113.029817][ T8792] addrconf_notify+0x44f/0x1d40 [ 113.035012][ T8792] ? mark_held_locks+0x9f/0xe0 [ 113.039763][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.045895][ T8792] ? tls_device_sk_destruct+0x610/0x610 [ 113.051584][ T8792] ? clusterip_netdev_event+0x34e/0x550 [ 113.057370][ T8792] ? inet6_ifinfo_notify+0x100/0x100 [ 113.062944][ T8792] ? __local_bh_enable_ip+0x11f/0x220 [ 113.068729][ T8792] ? clusterip_netdev_event+0x34e/0x550 [ 113.074499][ T8792] notifier_call_chain+0x94/0x170 [ 113.079558][ T8792] dev_close_many+0x28c/0x560 [ 113.084261][ T8792] ? __lock_acquire+0xbe2/0x52b0 [ 113.089270][ T8792] ? __netdev_adjacent_dev_insert+0xa70/0xa70 [ 113.095347][ T8792] __dev_change_net_namespace+0xb88/0x1120 [ 113.101583][ T8792] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 113.107588][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.113270][ T8792] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 113.118699][ T8792] ? security_capable+0x4c/0x90 [ 113.123653][ T8792] ? ns_capable+0x4c/0xc0 [ 113.128231][ T8792] do_setlink+0x1d3/0x2cb0 [ 113.132657][ T8792] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 113.138630][ T8792] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 113.144596][ T8792] ? orc_sort_cmp+0xd0/0x140 [ 113.149201][ T8792] ? rtnetlink_put_metrics+0x480/0x480 [ 113.154659][ T8792] ? mark_lock+0xf0/0x15f0 [ 113.159067][ T8792] ? mark_lock+0xf0/0x15f0 [ 113.163510][ T8792] ? __lock_acquire+0xbe2/0x52b0 [ 113.168452][ T8792] ? lock_chain_count+0x20/0x20 [ 113.173441][ T8792] ? memset+0x20/0x40 [ 113.177424][ T8792] ? __nla_validate_parse+0xb2/0x1fd0 [ 113.182809][ T8792] ? lock_chain_count+0x20/0x20 [ 113.187651][ T8792] ? __lock_acquire+0xbe2/0x52b0 [ 113.192601][ T8792] ? nla_get_range_signed+0x540/0x540 [ 113.198047][ T8792] ? __lock_acquire+0xbe2/0x52b0 [ 113.203087][ T8792] __rtnl_newlink+0xaca/0x13b0 [ 113.207926][ T8792] ? lock_is_held_type+0xfa/0x130 [ 113.212946][ T8792] ? rtnl_setlink+0x330/0x330 [ 113.217744][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.223742][ T8792] ? lock_release+0x424/0x7e0 [ 113.228988][ T8792] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 113.235504][ T8792] ? is_bpf_text_address+0x65/0xe0 [ 113.240770][ T8792] ? kernel_text_address+0xbd/0xf0 [ 113.245866][ T8792] ? __kernel_text_address+0x9/0x30 [ 113.251406][ T8792] ? unwind_get_return_address+0x51/0x90 [ 113.257124][ T8792] ? create_prof_cpu_mask+0x20/0x20 [ 113.262419][ T8792] ? arch_stack_walk+0x93/0xe0 [ 113.267177][ T8792] ? stack_trace_save+0x8c/0xc0 [ 113.272014][ T8792] ? stack_trace_consume_entry+0x160/0x160 [ 113.277848][ T8792] ? fs_reclaim_release+0x9c/0xf0 [ 113.282863][ T8792] ? lock_is_held_type+0xfa/0x130 [ 113.287881][ T8792] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 113.293419][ T8792] ? trace_kmalloc+0x32/0xf0 [ 113.297988][ T8792] ? kmem_cache_alloc_trace+0x20b/0x440 [ 113.303601][ T8792] rtnl_newlink+0x5a/0x90 [ 113.307918][ T8792] rtnetlink_rcv_msg+0x31d/0x8d0 [ 113.312869][ T8792] ? __dev_queue_xmit+0x14ef/0x2e20 [ 113.318047][ T8792] ? rtnl_newlink+0x90/0x90 [ 113.322533][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.328241][ T8792] ? netdev_core_pick_tx+0x290/0x290 [ 113.333544][ T8792] ? lock_acquire+0x150/0x5d0 [ 113.338322][ T8792] netlink_rcv_skb+0x118/0x370 [ 113.343169][ T8792] ? rtnl_newlink+0x90/0x90 [ 113.347846][ T8792] ? netlink_ack+0x930/0x930 [ 113.352416][ T8792] ? netlink_deliver_tap+0x130/0x9a0 [ 113.357956][ T8792] netlink_unicast+0x42e/0x700 [ 113.362710][ T8792] ? netlink_attachskb+0x750/0x750 [ 113.367983][ T8792] ? __build_skb_around+0x1f3/0x2b0 [ 113.373307][ T8792] netlink_sendmsg+0x704/0xbf0 [ 113.378148][ T8792] ? netlink_unicast+0x700/0x700 [ 113.383080][ T8792] ? netlink_unicast+0x700/0x700 [ 113.388024][ T8792] sock_sendmsg+0xab/0xe0 [ 113.392347][ T8792] ____sys_sendmsg+0x5bf/0x7a0 [ 113.397370][ T8792] ? kernel_sendmsg+0x30/0x30 [ 113.402207][ T8792] ? do_recvmmsg+0x550/0x550 [ 113.406842][ T8792] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 113.413005][ T8792] ___sys_sendmsg+0xd3/0x150 [ 113.417583][ T8792] ? sendmsg_copy_msghdr+0x110/0x110 [ 113.422850][ T8792] ? find_held_lock+0x2d/0x110 [ 113.427617][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.433330][ T8792] ? lock_release+0x424/0x7e0 [ 113.437984][ T8792] ? __fget_files+0x17c/0x2e0 [ 113.443207][ T8792] ? lock_downgrade+0x7b0/0x7b0 [ 113.448056][ T8792] ? find_held_lock+0x2d/0x110 [ 113.452816][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.458448][ T8792] ? lock_is_held_type+0xfa/0x130 [ 113.463484][ T8792] ? __fget_files+0x194/0x2e0 [ 113.468187][ T8792] ? __fget_light+0xbe/0x220 [ 113.472935][ T8792] __sys_sendmsg+0xb2/0x140 [ 113.477548][ T8792] ? __sys_sendmsg_sock+0x10/0x10 [ 113.482759][ T8792] ? check_preemption_disabled+0x36/0xd0 [ 113.488577][ T8792] ? syscall_enter_from_user_mode+0x1d/0x60 [ 113.494641][ T8792] ? lockdep_hardirqs_on+0x54/0x100 [ 113.499861][ T8792] do_syscall_64+0x35/0xb0 [ 113.504472][ T8792] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 113.510348][ T8792] RIP: 0033:0x464d29 [ 113.514420][ T8792] 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 [ 113.534285][ T8792] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.542878][ T8792] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 113.551199][ T8792] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 113.559306][ T8792] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 113.567414][ T8792] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 113.575461][ T8792] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 113.667365][ T8792] netdevsim netdevsim1 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0 2021/07/12 15:33:01 executed programs: 118 [ 113.760269][ T8819] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 114.248978][ T8822] FAULT_INJECTION: forcing a failure. [ 114.248978][ T8822] name failslab, interval 1, probability 0, space 0, times 0 [ 114.262777][ T8822] CPU: 1 PID: 8822 Comm: syz-executor.4 Not tainted 5.14.0-rc1-syzkaller #0 [ 114.271809][ T8822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.282477][ T8822] Call Trace: [ 114.285861][ T8822] dump_stack_lvl+0xbd/0xe2 [ 114.290353][ T8822] should_fail.cold+0x5/0xa [ 114.294925][ T8822] should_failslab+0x5/0x10 [ 114.299497][ T8822] kmem_cache_alloc_trace+0x57/0x440 [ 114.304855][ T8822] netdevice_event+0x167/0x6c0 [ 114.309610][ T8822] ? update_gid_event_work_handler+0xb0/0xb0 [ 114.316226][ T8822] ? __up_read+0x1a1/0x7b0 [ 114.320813][ T8822] ? _roce_del_all_netdev_gids+0x10/0x10 [ 114.326612][ T8822] ? rdma_protocol_roce_eth_encap+0x90/0x90 [ 114.332512][ T8822] ? _raw_spin_unlock_irqrestore+0x2d/0x90 [ 114.338651][ T8822] ? skb_dequeue+0x110/0x1a0 [ 114.343403][ T8822] notifier_call_chain+0x94/0x170 [ 114.348505][ T8822] __dev_change_net_namespace+0x373/0x1120 [ 114.354732][ T8822] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 114.360430][ T8822] ? check_preemption_disabled+0x36/0xd0 [ 114.366157][ T8822] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 114.371354][ T8822] ? security_capable+0x4c/0x90 [ 114.376565][ T8822] ? ns_capable+0x4c/0xc0 [ 114.381514][ T8822] do_setlink+0x1d3/0x2cb0 [ 114.386134][ T8822] ? find_held_lock+0x2d/0x110 [ 114.391083][ T8822] ? rtnetlink_put_metrics+0x480/0x480 [ 114.396530][ T8822] ? lock_is_held_type+0xd9/0x130 [ 114.401792][ T8822] ? mark_lock+0xf0/0x15f0 [ 114.406369][ T8822] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 114.412060][ T8822] ? lock_chain_count+0x20/0x20 [ 114.416881][ T8822] ? mark_lock+0xf0/0x15f0 [ 114.421267][ T8822] ? memset+0x20/0x40 [ 114.425218][ T8822] ? __nla_validate_parse+0xb2/0x1fd0 [ 114.430720][ T8822] ? lock_is_held_type+0xd9/0x130 [ 114.435819][ T8822] ? nla_get_range_signed+0x540/0x540 [ 114.441335][ T8822] ? __lock_acquire+0xbe2/0x52b0 [ 114.446258][ T8822] __rtnl_newlink+0xaca/0x13b0 [ 114.451209][ T8822] ? lock_is_held_type+0xfa/0x130 [ 114.456250][ T8822] ? rtnl_setlink+0x330/0x330 [ 114.460896][ T8822] ? check_preemption_disabled+0x36/0xd0 [ 114.466597][ T8822] ? lock_release+0x424/0x7e0 [ 114.471249][ T8822] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 114.477483][ T8822] ? is_bpf_text_address+0x65/0xe0 [ 114.482586][ T8822] ? kernel_text_address+0xbd/0xf0 [ 114.487779][ T8822] ? __kernel_text_address+0x9/0x30 [ 114.492970][ T8822] ? unwind_get_return_address+0x51/0x90 [ 114.498657][ T8822] ? create_prof_cpu_mask+0x20/0x20 [ 114.503823][ T8822] ? arch_stack_walk+0x93/0xe0 [ 114.508562][ T8822] ? stack_trace_save+0x8c/0xc0 [ 114.513382][ T8822] ? stack_trace_consume_entry+0x160/0x160 [ 114.519385][ T8822] ? fs_reclaim_release+0x9c/0xf0 [ 114.524476][ T8822] ? lock_is_held_type+0xfa/0x130 [ 114.529491][ T8822] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 114.535006][ T8822] ? trace_kmalloc+0x32/0xf0 [ 114.539572][ T8822] ? kmem_cache_alloc_trace+0x20b/0x440 [ 114.545211][ T8822] rtnl_newlink+0x5a/0x90 [ 114.549518][ T8822] rtnetlink_rcv_msg+0x31d/0x8d0 [ 114.554533][ T8822] ? __dev_queue_xmit+0x14ef/0x2e20 [ 114.559804][ T8822] ? rtnl_newlink+0x90/0x90 [ 114.564528][ T8822] ? check_preemption_disabled+0x36/0xd0 [ 114.570137][ T8822] ? netdev_core_pick_tx+0x290/0x290 [ 114.575392][ T8822] ? lock_acquire+0x150/0x5d0 [ 114.580129][ T8822] netlink_rcv_skb+0x118/0x370 [ 114.584874][ T8822] ? rtnl_newlink+0x90/0x90 [ 114.589354][ T8822] ? netlink_ack+0x930/0x930 [ 114.594019][ T8822] ? netlink_deliver_tap+0x130/0x9a0 [ 114.599297][ T8822] netlink_unicast+0x42e/0x700 [ 114.604141][ T8822] ? netlink_attachskb+0x750/0x750 [ 114.609231][ T8822] ? __build_skb_around+0x1f3/0x2b0 [ 114.614404][ T8822] netlink_sendmsg+0x704/0xbf0 [ 114.619264][ T8822] ? netlink_unicast+0x700/0x700 [ 114.624220][ T8822] ? netlink_unicast+0x700/0x700 [ 114.629157][ T8822] sock_sendmsg+0xab/0xe0 [ 114.633566][ T8822] ____sys_sendmsg+0x5bf/0x7a0 [ 114.638336][ T8822] ? kernel_sendmsg+0x30/0x30 [ 114.642997][ T8822] ? do_recvmmsg+0x550/0x550 [ 114.647739][ T8822] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 114.653708][ T8822] ___sys_sendmsg+0xd3/0x150 [ 114.658273][ T8822] ? sendmsg_copy_msghdr+0x110/0x110 [ 114.663866][ T8822] ? find_held_lock+0x2d/0x110 [ 114.668616][ T8822] ? check_preemption_disabled+0x36/0xd0 [ 114.674517][ T8822] ? lock_release+0x424/0x7e0 [ 114.679492][ T8822] ? __fget_files+0x17c/0x2e0 [ 114.684342][ T8822] ? lock_downgrade+0x7b0/0x7b0 [ 114.689434][ T8822] ? find_held_lock+0x2d/0x110 [ 114.694979][ T8822] ? check_preemption_disabled+0x36/0xd0 [ 114.700614][ T8822] ? lock_is_held_type+0xfa/0x130 [ 114.705815][ T8822] ? __fget_files+0x194/0x2e0 [ 114.710483][ T8822] ? __fget_light+0xbe/0x220 [ 114.715251][ T8822] __sys_sendmsg+0xb2/0x140 [ 114.719762][ T8822] ? __sys_sendmsg_sock+0x10/0x10 [ 114.724822][ T8822] ? check_preemption_disabled+0x36/0xd0 [ 114.730459][ T8822] ? syscall_enter_from_user_mode+0x1d/0x60 [ 114.736542][ T8822] ? lockdep_hardirqs_on+0x54/0x100 [ 114.741930][ T8822] do_syscall_64+0x35/0xb0 [ 114.746483][ T8822] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 114.752379][ T8822] RIP: 0033:0x464d29 [ 114.756268][ T8822] 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 [ 114.776060][ T8822] RSP: 002b:00007f5ef754d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.784536][ T8822] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 114.792494][ T8822] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 114.800596][ T8822] RBP: 00007f5ef754d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 114.808848][ T8822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 114.817058][ T8822] R13: 00007fffc1352bbf R14: 00007f5ef754d300 R15: 0000000000022000 [ 114.835858][ T8822] netdevsim netdevsim4 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.900475][ T8833] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 114.954801][ T8845] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 115.070125][ T8857] FAULT_INJECTION: forcing a failure. [ 115.070125][ T8857] name failslab, interval 1, probability 0, space 0, times 0 [ 115.097870][ T8857] CPU: 0 PID: 8857 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 115.107276][ T8857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.117503][ T8857] Call Trace: [ 115.120788][ T8857] dump_stack_lvl+0xbd/0xe2 [ 115.125310][ T8857] should_fail.cold+0x5/0xa [ 115.130092][ T8857] should_failslab+0x5/0x10 [ 115.134683][ T8857] kmem_cache_alloc_node_trace+0x66/0x570 [ 115.140758][ T8857] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 115.146581][ T8857] __kmalloc_node_track_caller+0x38/0x60 [ 115.152215][ T8857] __alloc_skb+0x8b/0x280 [ 115.156545][ T8857] alloc_uevent_skb+0x76/0x200 [ 115.161308][ T8857] kobject_uevent_env+0xc42/0xf30 [ 115.166648][ T8857] ? check_preemption_disabled+0x36/0xd0 [ 115.172507][ T8857] ? __local_bh_enable_ip+0x11f/0x220 [ 115.177998][ T8857] ? __dev_change_net_namespace+0x3fe/0x1120 [ 115.184228][ T8857] ? lockdep_hardirqs_on+0x54/0x100 [ 115.189422][ T8857] __dev_change_net_namespace+0x80b/0x1120 [ 115.195342][ T8857] ? check_preemption_disabled+0x36/0xd0 [ 115.200958][ T8857] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 115.206141][ T8857] ? security_capable+0x4c/0x90 [ 115.211108][ T8857] ? ns_capable+0x4c/0xc0 [ 115.215447][ T8857] do_setlink+0x1d3/0x2cb0 [ 115.219857][ T8857] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 115.225844][ T8857] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 115.231806][ T8857] ? orc_sort_cmp+0xd0/0x140 [ 115.236487][ T8857] ? rtnetlink_put_metrics+0x480/0x480 [ 115.242021][ T8857] ? mark_lock+0xf0/0x15f0 [ 115.246432][ T8857] ? mark_lock+0xf0/0x15f0 [ 115.251007][ T8857] ? __lock_acquire+0xbe2/0x52b0 [ 115.256116][ T8857] ? lock_chain_count+0x20/0x20 [ 115.260965][ T8857] ? memset+0x20/0x40 [ 115.265023][ T8857] ? __nla_validate_parse+0xb2/0x1fd0 [ 115.270478][ T8857] ? lock_chain_count+0x20/0x20 [ 115.275323][ T8857] ? __lock_acquire+0xbe2/0x52b0 [ 115.280340][ T8857] ? nla_get_range_signed+0x540/0x540 [ 115.285688][ T8857] ? __lock_acquire+0xbe2/0x52b0 [ 115.290611][ T8857] __rtnl_newlink+0xaca/0x13b0 [ 115.295529][ T8857] ? lockdep_hardirqs_on_prepare+0x113/0x450 [ 115.301579][ T8857] ? lock_is_held_type+0xfa/0x130 [ 115.306670][ T8857] ? rtnl_setlink+0x330/0x330 [ 115.311350][ T8857] ? check_preemption_disabled+0x36/0xd0 [ 115.316961][ T8857] ? lock_release+0x424/0x7e0 [ 115.321630][ T8857] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 115.328043][ T8857] ? is_bpf_text_address+0x65/0xe0 [ 115.333133][ T8857] ? kernel_text_address+0xbd/0xf0 [ 115.338429][ T8857] ? __kernel_text_address+0x9/0x30 [ 115.346559][ T8857] ? unwind_get_return_address+0x51/0x90 [ 115.352257][ T8857] ? create_prof_cpu_mask+0x20/0x20 [ 115.357439][ T8857] ? arch_stack_walk+0x93/0xe0 [ 115.362444][ T8857] ? stack_trace_save+0x8c/0xc0 [ 115.367359][ T8857] ? stack_trace_consume_entry+0x160/0x160 [ 115.373172][ T8857] ? fs_reclaim_release+0x9c/0xf0 [ 115.378363][ T8857] ? lock_is_held_type+0xfa/0x130 [ 115.383631][ T8857] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 115.389350][ T8857] ? trace_kmalloc+0x32/0xf0 [ 115.393992][ T8857] ? kmem_cache_alloc_trace+0x20b/0x440 [ 115.399716][ T8857] rtnl_newlink+0x5a/0x90 [ 115.404045][ T8857] rtnetlink_rcv_msg+0x31d/0x8d0 [ 115.408973][ T8857] ? __dev_queue_xmit+0x14ef/0x2e20 [ 115.414261][ T8857] ? rtnl_newlink+0x90/0x90 [ 115.419599][ T8857] ? check_preemption_disabled+0x36/0xd0 [ 115.425305][ T8857] ? netdev_core_pick_tx+0x290/0x290 [ 115.430660][ T8857] ? lock_acquire+0x150/0x5d0 [ 115.435322][ T8857] netlink_rcv_skb+0x118/0x370 [ 115.440074][ T8857] ? rtnl_newlink+0x90/0x90 [ 115.444917][ T8857] ? netlink_ack+0x930/0x930 [ 115.449600][ T8857] ? netlink_deliver_tap+0x130/0x9a0 [ 115.454903][ T8857] netlink_unicast+0x42e/0x700 [ 115.459710][ T8857] ? netlink_attachskb+0x750/0x750 [ 115.465173][ T8857] ? __build_skb_around+0x1f3/0x2b0 [ 115.470387][ T8857] netlink_sendmsg+0x704/0xbf0 [ 115.475403][ T8857] ? netlink_unicast+0x700/0x700 [ 115.480525][ T8857] ? netlink_unicast+0x700/0x700 [ 115.485449][ T8857] sock_sendmsg+0xab/0xe0 [ 115.490240][ T8857] ____sys_sendmsg+0x5bf/0x7a0 [ 115.495027][ T8857] ? kernel_sendmsg+0x30/0x30 [ 115.499711][ T8857] ? do_recvmmsg+0x550/0x550 [ 115.504283][ T8857] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 115.510260][ T8857] ___sys_sendmsg+0xd3/0x150 [ 115.514856][ T8857] ? sendmsg_copy_msghdr+0x110/0x110 [ 115.520207][ T8857] ? find_held_lock+0x2d/0x110 [ 115.524964][ T8857] ? check_preemption_disabled+0x36/0xd0 [ 115.530590][ T8857] ? lock_release+0x424/0x7e0 [ 115.535456][ T8857] ? __fget_files+0x17c/0x2e0 [ 115.540109][ T8857] ? lock_downgrade+0x7b0/0x7b0 [ 115.545124][ T8857] ? find_held_lock+0x2d/0x110 [ 115.549876][ T8857] ? check_preemption_disabled+0x36/0xd0 [ 115.555486][ T8857] ? lock_is_held_type+0xfa/0x130 [ 115.560487][ T8857] ? __fget_files+0x194/0x2e0 [ 115.565148][ T8857] ? __fget_light+0xbe/0x220 [ 115.569724][ T8857] __sys_sendmsg+0xb2/0x140 [ 115.574394][ T8857] ? __sys_sendmsg_sock+0x10/0x10 [ 115.579527][ T8857] ? check_preemption_disabled+0x36/0xd0 [ 115.585582][ T8857] ? syscall_enter_from_user_mode+0x1d/0x60 [ 115.591907][ T8857] ? lockdep_hardirqs_on+0x54/0x100 [ 115.597197][ T8857] do_syscall_64+0x35/0xb0 [ 115.601633][ T8857] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 115.607510][ T8857] RIP: 0033:0x464d29 [ 115.611390][ T8857] 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 [ 115.631284][ T8857] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.639942][ T8857] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 115.648022][ T8857] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 115.656273][ T8857] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 115.664266][ T8857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 115.672770][ T8857] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 115.746245][ T8887] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 115.839086][ T8923] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 115.965722][ T8927] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 116.081569][ T8931] FAULT_INJECTION: forcing a failure. [ 116.081569][ T8931] name failslab, interval 1, probability 0, space 0, times 0 [ 116.132856][ T8931] CPU: 1 PID: 8931 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 116.141699][ T8931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.152273][ T8931] Call Trace: [ 116.155561][ T8931] dump_stack_lvl+0xbd/0xe2 [ 116.160079][ T8931] should_fail.cold+0x5/0xa [ 116.164662][ T8931] should_failslab+0x5/0x10 [ 116.169166][ T8931] kmem_cache_alloc_node+0x60/0x540 [ 116.174374][ T8931] __alloc_skb+0x153/0x280 [ 116.179070][ T8931] alloc_uevent_skb+0x76/0x200 [ 116.183840][ T8931] kobject_uevent_env+0xc42/0xf30 [ 116.188875][ T8931] ? check_preemption_disabled+0x36/0xd0 [ 116.194624][ T8931] ? __local_bh_enable_ip+0x11f/0x220 [ 116.199997][ T8931] ? __dev_change_net_namespace+0x3fe/0x1120 [ 116.205981][ T8931] ? lockdep_hardirqs_on+0x54/0x100 [ 116.211186][ T8931] __dev_change_net_namespace+0x80b/0x1120 [ 116.217005][ T8931] ? check_preemption_disabled+0x36/0xd0 [ 116.222823][ T8931] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 116.228126][ T8931] ? security_capable+0x4c/0x90 [ 116.233085][ T8931] ? ns_capable+0x4c/0xc0 [ 116.237513][ T8931] do_setlink+0x1d3/0x2cb0 [ 116.241952][ T8931] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 116.248021][ T8931] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 116.254184][ T8931] ? orc_sort_cmp+0xd0/0x140 [ 116.258868][ T8931] ? rtnetlink_put_metrics+0x480/0x480 [ 116.264450][ T8931] ? mark_lock+0xf0/0x15f0 [ 116.268874][ T8931] ? mark_lock+0xf0/0x15f0 [ 116.273298][ T8931] ? __lock_acquire+0xbe2/0x52b0 [ 116.278386][ T8931] ? lock_chain_count+0x20/0x20 [ 116.283264][ T8931] ? memset+0x20/0x40 [ 116.287251][ T8931] ? __nla_validate_parse+0xb2/0x1fd0 [ 116.292714][ T8931] ? lock_chain_count+0x20/0x20 [ 116.297913][ T8931] ? __lock_acquire+0xbe2/0x52b0 [ 116.303032][ T8931] ? nla_get_range_signed+0x540/0x540 [ 116.308407][ T8931] ? __lock_acquire+0xbe2/0x52b0 [ 116.313452][ T8931] __rtnl_newlink+0xaca/0x13b0 [ 116.318437][ T8931] ? lock_is_held_type+0xfa/0x130 [ 116.323572][ T8931] ? rtnl_setlink+0x330/0x330 [ 116.328239][ T8931] ? check_preemption_disabled+0x36/0xd0 [ 116.334100][ T8931] ? lock_release+0x424/0x7e0 [ 116.338788][ T8931] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 116.345226][ T8931] ? is_bpf_text_address+0x65/0xe0 [ 116.350334][ T8931] ? kernel_text_address+0xbd/0xf0 [ 116.355429][ T8931] ? __kernel_text_address+0x9/0x30 [ 116.360613][ T8931] ? unwind_get_return_address+0x51/0x90 [ 116.366322][ T8931] ? create_prof_cpu_mask+0x20/0x20 [ 116.371600][ T8931] ? arch_stack_walk+0x93/0xe0 [ 116.376357][ T8931] ? stack_trace_save+0x8c/0xc0 [ 116.381195][ T8931] ? stack_trace_consume_entry+0x160/0x160 [ 116.387031][ T8931] ? fs_reclaim_release+0x9c/0xf0 [ 116.392051][ T8931] ? lock_is_held_type+0xfa/0x130 [ 116.397151][ T8931] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 116.402763][ T8931] ? trace_kmalloc+0x32/0xf0 [ 116.407362][ T8931] ? kmem_cache_alloc_trace+0x20b/0x440 [ 116.412889][ T8931] rtnl_newlink+0x5a/0x90 [ 116.417213][ T8931] rtnetlink_rcv_msg+0x31d/0x8d0 [ 116.422140][ T8931] ? __dev_queue_xmit+0x14ef/0x2e20 [ 116.427341][ T8931] ? rtnl_newlink+0x90/0x90 [ 116.432279][ T8931] ? check_preemption_disabled+0x36/0xd0 [ 116.437920][ T8931] ? netdev_core_pick_tx+0x290/0x290 [ 116.443372][ T8931] ? lock_acquire+0x150/0x5d0 [ 116.448036][ T8931] netlink_rcv_skb+0x118/0x370 [ 116.452790][ T8931] ? rtnl_newlink+0x90/0x90 [ 116.457416][ T8931] ? netlink_ack+0x930/0x930 [ 116.462010][ T8931] ? netlink_deliver_tap+0x130/0x9a0 [ 116.467296][ T8931] netlink_unicast+0x42e/0x700 [ 116.472050][ T8931] ? netlink_attachskb+0x750/0x750 [ 116.477234][ T8931] ? __build_skb_around+0x1f3/0x2b0 [ 116.482422][ T8931] netlink_sendmsg+0x704/0xbf0 [ 116.487281][ T8931] ? netlink_unicast+0x700/0x700 [ 116.492413][ T8931] ? netlink_unicast+0x700/0x700 [ 116.497610][ T8931] sock_sendmsg+0xab/0xe0 [ 116.502119][ T8931] ____sys_sendmsg+0x5bf/0x7a0 [ 116.507056][ T8931] ? kernel_sendmsg+0x30/0x30 [ 116.511831][ T8931] ? do_recvmmsg+0x550/0x550 [ 116.516494][ T8931] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 116.522561][ T8931] ___sys_sendmsg+0xd3/0x150 [ 116.527316][ T8931] ? sendmsg_copy_msghdr+0x110/0x110 [ 116.532583][ T8931] ? find_held_lock+0x2d/0x110 [ 116.537328][ T8931] ? check_preemption_disabled+0x36/0xd0 [ 116.542975][ T8931] ? lock_release+0x424/0x7e0 [ 116.547662][ T8931] ? __fget_files+0x17c/0x2e0 [ 116.552722][ T8931] ? lock_downgrade+0x7b0/0x7b0 [ 116.557880][ T8931] ? find_held_lock+0x2d/0x110 [ 116.562762][ T8931] ? check_preemption_disabled+0x36/0xd0 [ 116.568405][ T8931] ? lock_is_held_type+0xfa/0x130 [ 116.573513][ T8931] ? __fget_files+0x194/0x2e0 [ 116.578831][ T8931] ? __fget_light+0xbe/0x220 [ 116.584253][ T8931] __sys_sendmsg+0xb2/0x140 [ 116.588754][ T8931] ? __sys_sendmsg_sock+0x10/0x10 [ 116.593784][ T8931] ? check_preemption_disabled+0x36/0xd0 [ 116.599533][ T8931] ? syscall_enter_from_user_mode+0x1d/0x60 [ 116.605558][ T8931] ? lockdep_hardirqs_on+0x54/0x100 [ 116.610769][ T8931] do_syscall_64+0x35/0xb0 [ 116.615176][ T8931] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 116.621141][ T8931] RIP: 0033:0x464d29 [ 116.625384][ T8931] 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 [ 116.645487][ T8931] RSP: 002b:00007f5758f9a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.653974][ T8931] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 116.662027][ T8931] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 116.670087][ T8931] RBP: 00007f5758f9a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 116.678262][ T8931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 116.686369][ T8931] R13: 00007ffdede04d9f R14: 00007f5758f9a300 R15: 0000000000022000 [ 116.791850][ T8930] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 116.834130][ T8959] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 116.869319][ T8958] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 116.915211][ T8978] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 116.973884][ T9019] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 117.107386][ T9005] FAULT_INJECTION: forcing a failure. [ 117.107386][ T9005] name failslab, interval 1, probability 0, space 0, times 0 [ 117.161352][ T9005] CPU: 0 PID: 9005 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 117.170151][ T9005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.180296][ T9005] Call Trace: [ 117.183758][ T9005] dump_stack_lvl+0xbd/0xe2 [ 117.188267][ T9005] should_fail.cold+0x5/0xa [ 117.192803][ T9005] should_failslab+0x5/0x10 [ 117.197314][ T9005] kmem_cache_alloc_node+0x60/0x540 [ 117.202518][ T9005] __alloc_skb+0x153/0x280 [ 117.206944][ T9005] alloc_uevent_skb+0x76/0x200 [ 117.211891][ T9005] kobject_uevent_env+0xc42/0xf30 [ 117.217029][ T9005] ? check_preemption_disabled+0x36/0xd0 [ 117.222926][ T9005] ? __local_bh_enable_ip+0x11f/0x220 [ 117.228474][ T9005] ? __dev_change_net_namespace+0x3fe/0x1120 [ 117.234562][ T9005] ? lockdep_hardirqs_on+0x54/0x100 [ 117.239782][ T9005] __dev_change_net_namespace+0x80b/0x1120 [ 117.245716][ T9005] ? check_preemption_disabled+0x36/0xd0 [ 117.251362][ T9005] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 117.256706][ T9005] ? security_capable+0x4c/0x90 [ 117.261564][ T9005] ? ns_capable+0x4c/0xc0 [ 117.265901][ T9005] do_setlink+0x1d3/0x2cb0 [ 117.270331][ T9005] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 117.276674][ T9005] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 117.282742][ T9005] ? orc_sort_cmp+0xd0/0x140 [ 117.287346][ T9005] ? rtnetlink_put_metrics+0x480/0x480 [ 117.292866][ T9005] ? mark_lock+0xf0/0x15f0 [ 117.297290][ T9005] ? mark_lock+0xf0/0x15f0 [ 117.301887][ T9005] ? __lock_acquire+0xbe2/0x52b0 [ 117.307785][ T9005] ? lock_chain_count+0x20/0x20 [ 117.312741][ T9005] ? memset+0x20/0x40 [ 117.316727][ T9005] ? __nla_validate_parse+0xb2/0x1fd0 [ 117.322107][ T9005] ? lock_chain_count+0x20/0x20 [ 117.326964][ T9005] ? __lock_acquire+0xbe2/0x52b0 [ 117.332373][ T9005] ? nla_get_range_signed+0x540/0x540 [ 117.337750][ T9005] ? __lock_acquire+0xbe2/0x52b0 [ 117.342705][ T9005] __rtnl_newlink+0xaca/0x13b0 [ 117.347482][ T9005] ? lock_is_held_type+0xfa/0x130 [ 117.352521][ T9005] ? rtnl_setlink+0x330/0x330 [ 117.357292][ T9005] ? check_preemption_disabled+0x36/0xd0 [ 117.362945][ T9005] ? lock_release+0x424/0x7e0 [ 117.367737][ T9005] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 117.373820][ T9005] ? is_bpf_text_address+0x65/0xe0 [ 117.378936][ T9005] ? kernel_text_address+0xbd/0xf0 [ 117.384050][ T9005] ? __kernel_text_address+0x9/0x30 [ 117.389298][ T9005] ? unwind_get_return_address+0x51/0x90 [ 117.395095][ T9005] ? create_prof_cpu_mask+0x20/0x20 [ 117.400300][ T9005] ? arch_stack_walk+0x93/0xe0 [ 117.405089][ T9005] ? stack_trace_save+0x8c/0xc0 [ 117.409931][ T9005] ? stack_trace_consume_entry+0x160/0x160 [ 117.415936][ T9005] ? fs_reclaim_release+0x9c/0xf0 [ 117.420961][ T9005] ? lock_is_held_type+0xfa/0x130 [ 117.426259][ T9005] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 117.431821][ T9005] ? trace_kmalloc+0x32/0xf0 [ 117.436581][ T9005] ? kmem_cache_alloc_trace+0x20b/0x440 [ 117.442302][ T9005] rtnl_newlink+0x5a/0x90 [ 117.446644][ T9005] rtnetlink_rcv_msg+0x31d/0x8d0 [ 117.451769][ T9005] ? __dev_queue_xmit+0x14ef/0x2e20 [ 117.456952][ T9005] ? rtnl_newlink+0x90/0x90 [ 117.461625][ T9005] ? check_preemption_disabled+0x36/0xd0 [ 117.467433][ T9005] ? netdev_core_pick_tx+0x290/0x290 [ 117.472798][ T9005] ? lock_acquire+0x150/0x5d0 [ 117.477664][ T9005] netlink_rcv_skb+0x118/0x370 [ 117.483908][ T9005] ? rtnl_newlink+0x90/0x90 [ 117.488513][ T9005] ? netlink_ack+0x930/0x930 [ 117.493373][ T9005] ? netlink_deliver_tap+0x130/0x9a0 [ 117.499098][ T9005] netlink_unicast+0x42e/0x700 [ 117.504033][ T9005] ? netlink_attachskb+0x750/0x750 [ 117.510434][ T9005] ? __build_skb_around+0x1f3/0x2b0 [ 117.515631][ T9005] netlink_sendmsg+0x704/0xbf0 [ 117.520763][ T9005] ? netlink_unicast+0x700/0x700 [ 117.526294][ T9005] ? netlink_unicast+0x700/0x700 [ 117.531233][ T9005] sock_sendmsg+0xab/0xe0 [ 117.536456][ T9005] ____sys_sendmsg+0x5bf/0x7a0 [ 117.541217][ T9005] ? kernel_sendmsg+0x30/0x30 [ 117.546063][ T9005] ? do_recvmmsg+0x550/0x550 [ 117.550943][ T9005] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 117.557850][ T9005] ___sys_sendmsg+0xd3/0x150 [ 117.563051][ T9005] ? sendmsg_copy_msghdr+0x110/0x110 [ 117.568515][ T9005] ? find_held_lock+0x2d/0x110 [ 117.573361][ T9005] ? check_preemption_disabled+0x36/0xd0 [ 117.578998][ T9005] ? lock_release+0x424/0x7e0 [ 117.583861][ T9005] ? __fget_files+0x17c/0x2e0 [ 117.588549][ T9005] ? lock_downgrade+0x7b0/0x7b0 [ 117.593393][ T9005] ? find_held_lock+0x2d/0x110 [ 117.598347][ T9005] ? check_preemption_disabled+0x36/0xd0 [ 117.604133][ T9005] ? lock_is_held_type+0xfa/0x130 [ 117.609140][ T9005] ? __fget_files+0x194/0x2e0 [ 117.613809][ T9005] ? __fget_light+0xbe/0x220 [ 117.618484][ T9005] __sys_sendmsg+0xb2/0x140 [ 117.623063][ T9005] ? __sys_sendmsg_sock+0x10/0x10 [ 117.628087][ T9005] ? check_preemption_disabled+0x36/0xd0 [ 117.633785][ T9005] ? syscall_enter_from_user_mode+0x1d/0x60 [ 117.639655][ T9005] ? lockdep_hardirqs_on+0x54/0x100 [ 117.644830][ T9005] do_syscall_64+0x35/0xb0 [ 117.649230][ T9005] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 117.655347][ T9005] RIP: 0033:0x464d29 [ 117.659257][ T9005] 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 [ 117.679115][ T9005] RSP: 002b:00007f5758fdc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.687517][ T9005] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 117.695491][ T9005] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 117.703462][ T9005] RBP: 00007f5758fdc1d0 R08: 0000000000000000 R09: 0000000000000000 [ 117.711433][ T9005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 117.719694][ T9005] R13: 00007ffdede04d9f R14: 00007f5758fdc300 R15: 0000000000022000 [ 117.851451][ T9054] FAULT_INJECTION: forcing a failure. [ 117.851451][ T9054] name failslab, interval 1, probability 0, space 0, times 0 [ 117.883277][ T9054] CPU: 1 PID: 9054 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 117.892154][ T9054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.902208][ T9054] Call Trace: [ 117.905575][ T9054] dump_stack_lvl+0xbd/0xe2 [ 117.910099][ T9054] should_fail.cold+0x5/0xa [ 117.914862][ T9054] should_failslab+0x5/0x10 [ 117.919360][ T9054] kmem_cache_alloc_node+0x60/0x540 [ 117.924668][ T9054] __alloc_skb+0x153/0x280 [ 117.929098][ T9054] alloc_uevent_skb+0x76/0x200 [ 117.934141][ T9054] kobject_uevent_env+0xc42/0xf30 [ 117.939428][ T9054] ? check_preemption_disabled+0x36/0xd0 [ 117.945493][ T9054] ? __local_bh_enable_ip+0x11f/0x220 [ 117.950974][ T9054] ? __dev_change_net_namespace+0x3fe/0x1120 [ 117.957062][ T9054] ? lockdep_hardirqs_on+0x54/0x100 [ 117.962270][ T9054] __dev_change_net_namespace+0x80b/0x1120 [ 117.969051][ T9054] ? check_preemption_disabled+0x36/0xd0 [ 117.974702][ T9054] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 117.979910][ T9054] ? security_capable+0x4c/0x90 [ 117.984871][ T9054] ? ns_capable+0x4c/0xc0 [ 117.989453][ T9054] do_setlink+0x1d3/0x2cb0 [ 117.994687][ T9054] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 118.001181][ T9054] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 118.007237][ T9054] ? orc_sort_cmp+0xd0/0x140 [ 118.011826][ T9054] ? rtnetlink_put_metrics+0x480/0x480 [ 118.017472][ T9054] ? mark_lock+0xf0/0x15f0 [ 118.021883][ T9054] ? mark_lock+0xf0/0x15f0 [ 118.026285][ T9054] ? __lock_acquire+0xbe2/0x52b0 [ 118.031206][ T9054] ? lock_chain_count+0x20/0x20 [ 118.036238][ T9054] ? memset+0x20/0x40 [ 118.040291][ T9054] ? __nla_validate_parse+0xb2/0x1fd0 [ 118.045810][ T9054] ? lock_chain_count+0x20/0x20 [ 118.050653][ T9054] ? __lock_acquire+0xbe2/0x52b0 [ 118.055741][ T9054] ? nla_get_range_signed+0x540/0x540 [ 118.061602][ T9054] ? __lock_acquire+0xbe2/0x52b0 [ 118.066645][ T9054] __rtnl_newlink+0xaca/0x13b0 [ 118.071410][ T9054] ? lock_is_held_type+0xfa/0x130 [ 118.076468][ T9054] ? rtnl_setlink+0x330/0x330 [ 118.081176][ T9054] ? check_preemption_disabled+0x36/0xd0 [ 118.086801][ T9054] ? lock_release+0x424/0x7e0 [ 118.091473][ T9054] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 118.097638][ T9054] ? is_bpf_text_address+0x65/0xe0 [ 118.102764][ T9054] ? kernel_text_address+0xbd/0xf0 [ 118.108118][ T9054] ? __kernel_text_address+0x9/0x30 [ 118.113301][ T9054] ? unwind_get_return_address+0x51/0x90 [ 118.119025][ T9054] ? create_prof_cpu_mask+0x20/0x20 [ 118.124213][ T9054] ? arch_stack_walk+0x93/0xe0 [ 118.129037][ T9054] ? stack_trace_save+0x8c/0xc0 [ 118.134041][ T9054] ? stack_trace_consume_entry+0x160/0x160 [ 118.140188][ T9054] ? fs_reclaim_release+0x9c/0xf0 [ 118.145244][ T9054] ? lock_is_held_type+0xfa/0x130 [ 118.150641][ T9054] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 118.156362][ T9054] ? trace_kmalloc+0x32/0xf0 [ 118.161412][ T9054] ? kmem_cache_alloc_trace+0x20b/0x440 [ 118.167185][ T9054] rtnl_newlink+0x5a/0x90 [ 118.171511][ T9054] rtnetlink_rcv_msg+0x31d/0x8d0 [ 118.176589][ T9054] ? __dev_queue_xmit+0x14ef/0x2e20 [ 118.181768][ T9054] ? rtnl_newlink+0x90/0x90 [ 118.186348][ T9054] ? check_preemption_disabled+0x36/0xd0 [ 118.192163][ T9054] ? netdev_core_pick_tx+0x290/0x290 [ 118.197460][ T9054] ? lock_acquire+0x150/0x5d0 [ 118.202391][ T9054] netlink_rcv_skb+0x118/0x370 [ 118.207153][ T9054] ? rtnl_newlink+0x90/0x90 [ 118.211650][ T9054] ? netlink_ack+0x930/0x930 [ 118.216236][ T9054] ? netlink_deliver_tap+0x130/0x9a0 [ 118.221583][ T9054] netlink_unicast+0x42e/0x700 [ 118.226348][ T9054] ? netlink_attachskb+0x750/0x750 [ 118.231441][ T9054] ? __build_skb_around+0x1f3/0x2b0 [ 118.236634][ T9054] netlink_sendmsg+0x704/0xbf0 [ 118.241395][ T9054] ? netlink_unicast+0x700/0x700 [ 118.246583][ T9054] ? netlink_unicast+0x700/0x700 [ 118.251694][ T9054] sock_sendmsg+0xab/0xe0 [ 118.256203][ T9054] ____sys_sendmsg+0x5bf/0x7a0 [ 118.261154][ T9054] ? kernel_sendmsg+0x30/0x30 [ 118.265907][ T9054] ? do_recvmmsg+0x550/0x550 [ 118.270571][ T9054] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 118.276561][ T9054] ___sys_sendmsg+0xd3/0x150 [ 118.281133][ T9054] ? sendmsg_copy_msghdr+0x110/0x110 [ 118.286481][ T9054] ? find_held_lock+0x2d/0x110 [ 118.291234][ T9054] ? check_preemption_disabled+0x36/0xd0 [ 118.297055][ T9054] ? lock_release+0x424/0x7e0 [ 118.301805][ T9054] ? __fget_files+0x17c/0x2e0 [ 118.306560][ T9054] ? lock_downgrade+0x7b0/0x7b0 [ 118.311397][ T9054] ? find_held_lock+0x2d/0x110 [ 118.316166][ T9054] ? check_preemption_disabled+0x36/0xd0 [ 118.322512][ T9054] ? lock_is_held_type+0xfa/0x130 [ 118.327615][ T9054] ? __fget_files+0x194/0x2e0 [ 118.332280][ T9054] ? __fget_light+0xbe/0x220 [ 118.337341][ T9054] __sys_sendmsg+0xb2/0x140 [ 118.342116][ T9054] ? __sys_sendmsg_sock+0x10/0x10 [ 118.348048][ T9054] ? check_preemption_disabled+0x36/0xd0 [ 118.353764][ T9054] ? syscall_enter_from_user_mode+0x1d/0x60 [ 118.359957][ T9054] ? lockdep_hardirqs_on+0x54/0x100 [ 118.365587][ T9054] do_syscall_64+0x35/0xb0 [ 118.370144][ T9054] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 118.376026][ T9054] RIP: 0033:0x464d29 [ 118.380032][ T9054] 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 [ 118.399846][ T9054] RSP: 002b:00007fcd62988188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.408530][ T9054] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 118.416605][ T9054] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 118.424693][ T9054] RBP: 00007fcd629881d0 R08: 0000000000000000 R09: 0000000000000000 [ 118.433267][ T9054] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 118.441607][ T9054] R13: 00007ffe64b3a7ff R14: 00007fcd62988300 R15: 0000000000022000 [ 118.670340][ T9124] FAULT_INJECTION: forcing a failure. [ 118.670340][ T9124] name failslab, interval 1, probability 0, space 0, times 0 [ 118.731827][ T9124] CPU: 0 PID: 9124 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 118.740527][ T9124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.750584][ T9124] Call Trace: [ 118.753866][ T9124] dump_stack_lvl+0xbd/0xe2 [ 118.758467][ T9124] should_fail.cold+0x5/0xa [ 118.762977][ T9124] should_failslab+0x5/0x10 [ 118.767524][ T9124] kmem_cache_alloc_node_trace+0x66/0x570 [ 118.773264][ T9124] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 118.779167][ T9124] __kmalloc_node_track_caller+0x38/0x60 [ 118.784890][ T9124] __alloc_skb+0x8b/0x280 [ 118.789433][ T9124] alloc_uevent_skb+0x76/0x200 [ 118.794572][ T9124] kobject_uevent_env+0xc42/0xf30 [ 118.800211][ T9124] ? check_preemption_disabled+0x36/0xd0 [ 118.806024][ T9124] ? __local_bh_enable_ip+0x11f/0x220 [ 118.811398][ T9124] ? __dev_change_net_namespace+0x3fe/0x1120 [ 118.817779][ T9124] ? lockdep_hardirqs_on+0x54/0x100 [ 118.822989][ T9124] __dev_change_net_namespace+0x80b/0x1120 [ 118.828800][ T9124] ? check_preemption_disabled+0x36/0xd0 [ 118.834721][ T9124] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 118.839927][ T9124] ? security_capable+0x4c/0x90 [ 118.845134][ T9124] ? ns_capable+0x4c/0xc0 [ 118.849668][ T9124] do_setlink+0x1d3/0x2cb0 [ 118.854284][ T9124] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 118.860446][ T9124] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 118.866538][ T9124] ? orc_sort_cmp+0xd0/0x140 [ 118.871115][ T9124] ? rtnetlink_put_metrics+0x480/0x480 [ 118.876867][ T9124] ? mark_lock+0xf0/0x15f0 [ 118.881817][ T9124] ? mark_lock+0xf0/0x15f0 [ 118.886509][ T9124] ? __lock_acquire+0xbe2/0x52b0 [ 118.891453][ T9124] ? lock_chain_count+0x20/0x20 [ 118.896306][ T9124] ? memset+0x20/0x40 [ 118.900378][ T9124] ? __nla_validate_parse+0xb2/0x1fd0 [ 118.905741][ T9124] ? __lock_acquire+0xbe2/0x52b0 [ 118.910777][ T9124] ? nla_get_range_signed+0x540/0x540 [ 118.916380][ T9124] ? __lock_acquire+0xbe2/0x52b0 [ 118.921841][ T9124] __rtnl_newlink+0xaca/0x13b0 [ 118.926675][ T9124] ? lock_chain_count+0x3/0x20 [ 118.931440][ T9124] ? lock_is_held_type+0xfa/0x130 [ 118.936486][ T9124] ? rtnl_setlink+0x330/0x330 [ 118.941244][ T9124] ? check_preemption_disabled+0x36/0xd0 [ 118.947136][ T9124] ? lock_release+0x424/0x7e0 [ 118.952006][ T9124] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 118.958337][ T9124] ? is_bpf_text_address+0x65/0xe0 [ 118.963456][ T9124] ? kernel_text_address+0xbd/0xf0 [ 118.968555][ T9124] ? __kernel_text_address+0x9/0x30 [ 118.973947][ T9124] ? unwind_get_return_address+0x51/0x90 [ 118.979575][ T9124] ? create_prof_cpu_mask+0x20/0x20 [ 118.984815][ T9124] ? arch_stack_walk+0x93/0xe0 [ 118.990299][ T9124] ? stack_trace_save+0x8c/0xc0 [ 118.995517][ T9124] ? stack_trace_consume_entry+0x160/0x160 [ 119.001720][ T9124] ? fs_reclaim_release+0x9c/0xf0 [ 119.007193][ T9124] ? lock_is_held_type+0xfa/0x130 [ 119.012599][ T9124] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 119.018253][ T9124] ? trace_kmalloc+0x32/0xf0 [ 119.022917][ T9124] ? kmem_cache_alloc_trace+0x20b/0x440 [ 119.028640][ T9124] rtnl_newlink+0x5a/0x90 [ 119.034169][ T9124] rtnetlink_rcv_msg+0x31d/0x8d0 [ 119.039206][ T9124] ? rtnl_newlink+0x90/0x90 [ 119.043700][ T9124] ? lockdep_hardirqs_on_prepare+0x17b/0x450 [ 119.049697][ T9124] ? _raw_spin_unlock_irqrestore+0x40/0x90 [ 119.055608][ T9124] ? lockdep_hardirqs_on+0x54/0x100 [ 119.061711][ T9124] netlink_rcv_skb+0x118/0x370 [ 119.066928][ T9124] ? rtnl_newlink+0x90/0x90 [ 119.071608][ T9124] ? netlink_ack+0x930/0x930 [ 119.076968][ T9124] ? netlink_deliver_tap+0x130/0x9a0 [ 119.082697][ T9124] netlink_unicast+0x42e/0x700 [ 119.087518][ T9124] ? netlink_attachskb+0x750/0x750 [ 119.092730][ T9124] ? __build_skb_around+0x1f3/0x2b0 [ 119.097971][ T9124] netlink_sendmsg+0x704/0xbf0 [ 119.102741][ T9124] ? netlink_unicast+0x700/0x700 [ 119.108376][ T9124] ? netlink_unicast+0x700/0x700 [ 119.113909][ T9124] sock_sendmsg+0xab/0xe0 [ 119.118867][ T9124] ____sys_sendmsg+0x5bf/0x7a0 [ 119.123721][ T9124] ? kernel_sendmsg+0x30/0x30 [ 119.128487][ T9124] ? do_recvmmsg+0x550/0x550 [ 119.133115][ T9124] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 119.139394][ T9124] ___sys_sendmsg+0xd3/0x150 [ 119.144102][ T9124] ? sendmsg_copy_msghdr+0x110/0x110 [ 119.149608][ T9124] ? find_held_lock+0x2d/0x110 [ 119.154539][ T9124] ? check_preemption_disabled+0x36/0xd0 [ 119.160605][ T9124] ? lock_release+0x424/0x7e0 [ 119.165280][ T9124] ? __fget_files+0x17c/0x2e0 [ 119.170217][ T9124] ? lock_downgrade+0x7b0/0x7b0 [ 119.175834][ T9124] ? find_held_lock+0x2d/0x110 [ 119.181097][ T9124] ? check_preemption_disabled+0x36/0xd0 [ 119.187010][ T9124] ? lock_is_held_type+0xfa/0x130 [ 119.192216][ T9124] ? __fget_files+0x194/0x2e0 [ 119.196880][ T9124] ? __fget_light+0xbe/0x220 [ 119.201478][ T9124] __sys_sendmsg+0xb2/0x140 [ 119.206062][ T9124] ? __sys_sendmsg_sock+0x10/0x10 [ 119.211273][ T9124] ? check_preemption_disabled+0x36/0xd0 [ 119.216979][ T9124] ? syscall_enter_from_user_mode+0x1d/0x60 [ 119.223120][ T9124] ? lockdep_hardirqs_on+0x54/0x100 [ 119.228404][ T9124] do_syscall_64+0x35/0xb0 [ 119.232985][ T9124] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 119.238968][ T9124] RIP: 0033:0x464d29 [ 119.243058][ T9124] 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 [ 119.262866][ T9124] RSP: 002b:00007f1928e9a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.271439][ T9124] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 119.279396][ T9124] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 119.287394][ T9124] RBP: 00007f1928e9a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 119.296094][ T9124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 119.304310][ T9124] R13: 00007ffed317a6bf R14: 00007f1928e9a300 R15: 0000000000022000 2021/07/12 15:33:07 executed programs: 139 [ 119.409272][ T9148] FAULT_INJECTION: forcing a failure. [ 119.409272][ T9148] name failslab, interval 1, probability 0, space 0, times 0 [ 119.422684][ T9148] CPU: 1 PID: 9148 Comm: syz-executor.2 Not tainted 5.14.0-rc1-syzkaller #0 [ 119.431359][ T9148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.441678][ T9148] Call Trace: [ 119.444972][ T9148] dump_stack_lvl+0xbd/0xe2 [ 119.449581][ T9148] should_fail.cold+0x5/0xa [ 119.454179][ T9148] should_failslab+0x5/0x10 [ 119.458769][ T9148] kmem_cache_alloc+0x54/0x500 [ 119.464068][ T9148] fill_pool+0x255/0x530 [ 119.468409][ T9148] ? __list_del_entry_valid+0xf0/0xf0 [ 119.473966][ T9148] ? lock_chain_count+0x20/0x20 [ 119.479101][ T9148] ? find_entry.isra.0+0xde/0x190 [ 119.484831][ T9148] __debug_object_init+0x7a/0xce0 [ 119.489963][ T9148] ? lock_release+0x424/0x7e0 [ 119.494741][ T9148] ? debug_object_activate+0x1b3/0x3e0 [ 119.500382][ T9148] ? __free_object+0xe00/0xe00 [ 119.505166][ T9148] ? lockdep_hardirqs_on_prepare+0x17b/0x450 [ 119.511241][ T9148] ? _raw_spin_unlock_irqrestore+0x40/0x90 [ 119.517148][ T9148] debug_object_activate+0x32c/0x3e0 [ 119.522486][ T9148] ? debug_object_assert_init+0x2e0/0x2e0 [ 119.528466][ T9148] ? lock_acquire+0x222/0x5d0 [ 119.533242][ T9148] ? do_raw_spin_lock+0x120/0x2b0 [ 119.538280][ T9148] kvfree_call_rcu+0x32/0x970 [ 119.543377][ T9148] drop_sysctl_table+0x317/0x440 [ 119.548342][ T9148] ? put_links+0x340/0x340 [ 119.552865][ T9148] ? lock_release+0x7e0/0x7e0 [ 119.557801][ T9148] ? check_preemption_disabled+0x36/0xd0 [ 119.563651][ T9148] ? do_raw_spin_lock+0x120/0x2b0 [ 119.568682][ T9148] ? rwlock_bug.part.0+0x90/0x90 [ 119.573641][ T9148] ? lock_is_held_type+0xfa/0x130 [ 119.578875][ T9148] unregister_sysctl_table+0x99/0x170 [ 119.584431][ T9148] mpls_dev_notify+0x32a/0x6d0 [ 119.589383][ T9148] notifier_call_chain+0x94/0x170 [ 119.594467][ T9148] __dev_change_net_namespace+0x373/0x1120 [ 119.600367][ T9148] ? check_nnp_nosuid.isra.0+0x1f0/0x1f0 [ 119.606008][ T9148] ? check_preemption_disabled+0x36/0xd0 [ 119.611663][ T9148] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 119.616872][ T9148] ? security_capable+0x4c/0x90 [ 119.621762][ T9148] ? ns_capable+0x4c/0xc0 [ 119.626099][ T9148] do_setlink+0x1d3/0x2cb0 [ 119.630607][ T9148] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 119.636585][ T9148] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 119.642564][ T9148] ? orc_sort_cmp+0xd0/0x140 [ 119.647254][ T9148] ? rtnetlink_put_metrics+0x480/0x480 [ 119.652961][ T9148] ? mark_lock+0xf0/0x15f0 [ 119.657389][ T9148] ? mark_lock+0xf0/0x15f0 [ 119.661816][ T9148] ? __lock_acquire+0xbe2/0x52b0 [ 119.666765][ T9148] ? lock_chain_count+0x20/0x20 [ 119.671624][ T9148] ? memset+0x20/0x40 [ 119.675624][ T9148] ? __nla_validate_parse+0xb2/0x1fd0 [ 119.681175][ T9148] ? lock_chain_count+0x20/0x20 [ 119.686031][ T9148] ? __lock_acquire+0xbe2/0x52b0 [ 119.691154][ T9148] ? nla_get_range_signed+0x540/0x540 [ 119.696537][ T9148] ? __lock_acquire+0xbe2/0x52b0 [ 119.701519][ T9148] __rtnl_newlink+0xaca/0x13b0 [ 119.706305][ T9148] ? lock_is_held_type+0xfa/0x130 [ 119.711421][ T9148] ? rtnl_setlink+0x330/0x330 [ 119.716281][ T9148] ? check_preemption_disabled+0x36/0xd0 [ 119.721934][ T9148] ? lock_release+0x424/0x7e0 [ 119.726834][ T9148] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 119.732905][ T9148] ? is_bpf_text_address+0x65/0xe0 [ 119.738023][ T9148] ? kernel_text_address+0xbd/0xf0 [ 119.743321][ T9148] ? __kernel_text_address+0x9/0x30 [ 119.748955][ T9148] ? unwind_get_return_address+0x51/0x90 [ 119.754590][ T9148] ? create_prof_cpu_mask+0x20/0x20 [ 119.759790][ T9148] ? arch_stack_walk+0x93/0xe0 [ 119.764565][ T9148] ? stack_trace_save+0x8c/0xc0 [ 119.769423][ T9148] ? stack_trace_consume_entry+0x160/0x160 [ 119.775366][ T9148] ? fs_reclaim_release+0x9c/0xf0 [ 119.780490][ T9148] ? lock_is_held_type+0xfa/0x130 [ 119.785808][ T9148] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 119.791370][ T9148] ? trace_kmalloc+0x32/0xf0 [ 119.796496][ T9148] ? kmem_cache_alloc_trace+0x20b/0x440 [ 119.802569][ T9148] rtnl_newlink+0x5a/0x90 [ 119.807084][ T9148] rtnetlink_rcv_msg+0x31d/0x8d0 [ 119.812032][ T9148] ? rtnl_newlink+0x90/0x90 [ 119.816603][ T9148] ? lockdep_hardirqs_on_prepare+0x17b/0x450 [ 119.822848][ T9148] ? _raw_spin_unlock_irqrestore+0x40/0x90 [ 119.828652][ T9148] ? lockdep_hardirqs_on+0x54/0x100 [ 119.833958][ T9148] netlink_rcv_skb+0x118/0x370 [ 119.838735][ T9148] ? rtnl_newlink+0x90/0x90 [ 119.843244][ T9148] ? netlink_ack+0x930/0x930 [ 119.848008][ T9148] ? netlink_deliver_tap+0x130/0x9a0 [ 119.853322][ T9148] netlink_unicast+0x42e/0x700 [ 119.858098][ T9148] ? netlink_attachskb+0x750/0x750 [ 119.863215][ T9148] ? __build_skb_around+0x1f3/0x2b0 [ 119.868428][ T9148] netlink_sendmsg+0x704/0xbf0 [ 119.873289][ T9148] ? netlink_unicast+0x700/0x700 [ 119.878336][ T9148] ? netlink_unicast+0x700/0x700 [ 119.883275][ T9148] sock_sendmsg+0xab/0xe0 [ 119.887605][ T9148] ____sys_sendmsg+0x5bf/0x7a0 [ 119.892378][ T9148] ? kernel_sendmsg+0x30/0x30 [ 119.897057][ T9148] ? do_recvmmsg+0x550/0x550 [ 119.901660][ T9148] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 119.907823][ T9148] ___sys_sendmsg+0xd3/0x150 [ 119.912424][ T9148] ? sendmsg_copy_msghdr+0x110/0x110 [ 119.917717][ T9148] ? find_held_lock+0x2d/0x110 [ 119.922575][ T9148] ? check_preemption_disabled+0x36/0xd0 [ 119.928396][ T9148] ? lock_release+0x424/0x7e0 [ 119.933260][ T9148] ? __fget_files+0x17c/0x2e0 [ 119.938292][ T9148] ? lock_downgrade+0x7b0/0x7b0 [ 119.943143][ T9148] ? find_held_lock+0x2d/0x110 [ 119.947953][ T9148] ? check_preemption_disabled+0x36/0xd0 [ 119.953602][ T9148] ? lock_is_held_type+0xfa/0x130 [ 119.958632][ T9148] ? __fget_files+0x194/0x2e0 [ 119.963318][ T9148] ? __fget_light+0xbe/0x220 [ 119.967920][ T9148] __sys_sendmsg+0xb2/0x140 [ 119.972600][ T9148] ? __sys_sendmsg_sock+0x10/0x10 [ 119.977723][ T9148] ? check_preemption_disabled+0x36/0xd0 [ 119.983370][ T9148] ? syscall_enter_from_user_mode+0x1d/0x60 [ 119.989362][ T9148] ? lockdep_hardirqs_on+0x54/0x100 [ 119.994591][ T9148] do_syscall_64+0x35/0xb0 [ 119.999310][ T9148] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 120.005301][ T9148] RIP: 0033:0x464d29 [ 120.009383][ T9148] 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 [ 120.029164][ T9148] RSP: 002b:00007fcd629a9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 120.037663][ T9148] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 120.045813][ T9148] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 120.053788][ T9148] RBP: 00007fcd629a91d0 R08: 0000000000000000 R09: 0000000000000000 [ 120.061763][ T9148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 120.069827][ T9148] R13: 00007ffe64b3a7ff R14: 00007fcd629a9300 R15: 0000000000022000 [ 120.208112][ T9176] __nla_validate_parse: 13 callbacks suppressed [ 120.208120][ T9176] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 120.280420][ T9182] FAULT_INJECTION: forcing a failure. [ 120.280420][ T9182] name failslab, interval 1, probability 0, space 0, times 0 [ 120.294474][ T9182] CPU: 0 PID: 9182 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 120.303753][ T9182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.313805][ T9182] Call Trace: [ 120.317177][ T9182] dump_stack_lvl+0xbd/0xe2 [ 120.321868][ T9182] should_fail.cold+0x5/0xa [ 120.326448][ T9182] should_failslab+0x5/0x10 [ 120.331107][ T9182] kmem_cache_alloc_node_trace+0x66/0x570 [ 120.336987][ T9182] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 120.342611][ T9182] __kmalloc_node_track_caller+0x38/0x60 [ 120.348582][ T9182] __alloc_skb+0x8b/0x280 [ 120.352926][ T9182] alloc_uevent_skb+0x76/0x200 [ 120.357762][ T9182] kobject_uevent_env+0xc42/0xf30 [ 120.362768][ T9182] ? check_preemption_disabled+0x36/0xd0 [ 120.368402][ T9182] ? __local_bh_enable_ip+0x11f/0x220 [ 120.373852][ T9182] ? __dev_change_net_namespace+0x3fe/0x1120 [ 120.379901][ T9182] ? lockdep_hardirqs_on+0x54/0x100 [ 120.385105][ T9182] __dev_change_net_namespace+0x80b/0x1120 [ 120.390908][ T9182] ? check_preemption_disabled+0x36/0xd0 [ 120.396522][ T9182] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 120.401713][ T9182] ? security_capable+0x4c/0x90 [ 120.406557][ T9182] ? ns_capable+0x4c/0xc0 [ 120.410971][ T9182] do_setlink+0x1d3/0x2cb0 [ 120.415500][ T9182] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 120.421657][ T9182] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 120.427886][ T9182] ? orc_sort_cmp+0xd0/0x140 [ 120.432467][ T9182] ? rtnetlink_put_metrics+0x480/0x480 [ 120.438172][ T9182] ? mark_lock+0xf0/0x15f0 [ 120.442571][ T9182] ? mark_lock+0xf0/0x15f0 [ 120.447180][ T9182] ? __lock_acquire+0xbe2/0x52b0 [ 120.452195][ T9182] ? lock_chain_count+0x20/0x20 [ 120.457043][ T9182] ? memset+0x20/0x40 [ 120.461114][ T9182] ? __nla_validate_parse+0xb2/0x1fd0 [ 120.466578][ T9182] ? lock_chain_count+0x20/0x20 [ 120.471508][ T9182] ? __lock_acquire+0xbe2/0x52b0 [ 120.476616][ T9182] ? nla_get_range_signed+0x540/0x540 [ 120.482064][ T9182] ? __lock_acquire+0xbe2/0x52b0 [ 120.487536][ T9182] __rtnl_newlink+0xaca/0x13b0 [ 120.492335][ T9182] ? lock_is_held_type+0xfa/0x130 [ 120.497362][ T9182] ? rtnl_setlink+0x330/0x330 [ 120.502025][ T9182] ? check_preemption_disabled+0x36/0xd0 [ 120.507678][ T9182] ? lock_release+0x424/0x7e0 [ 120.512376][ T9182] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 120.518514][ T9182] ? is_bpf_text_address+0x65/0xe0 [ 120.523788][ T9182] ? kernel_text_address+0xbd/0xf0 [ 120.528903][ T9182] ? __kernel_text_address+0x9/0x30 [ 120.534082][ T9182] ? unwind_get_return_address+0x51/0x90 [ 120.539695][ T9182] ? create_prof_cpu_mask+0x20/0x20 [ 120.544967][ T9182] ? arch_stack_walk+0x93/0xe0 [ 120.549743][ T9182] ? stack_trace_save+0x8c/0xc0 [ 120.554662][ T9182] ? stack_trace_consume_entry+0x160/0x160 [ 120.560489][ T9182] ? fs_reclaim_release+0x9c/0xf0 [ 120.565520][ T9182] ? lock_is_held_type+0xfa/0x130 [ 120.570624][ T9182] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 120.576433][ T9182] ? trace_kmalloc+0x32/0xf0 [ 120.581606][ T9182] ? kmem_cache_alloc_trace+0x20b/0x440 [ 120.587436][ T9182] rtnl_newlink+0x5a/0x90 [ 120.591944][ T9182] rtnetlink_rcv_msg+0x31d/0x8d0 [ 120.596957][ T9182] ? __dev_queue_xmit+0x14ef/0x2e20 [ 120.602145][ T9182] ? rtnl_newlink+0x90/0x90 [ 120.606735][ T9182] ? check_preemption_disabled+0x36/0xd0 [ 120.612448][ T9182] ? netdev_core_pick_tx+0x290/0x290 [ 120.617921][ T9182] ? lock_acquire+0x150/0x5d0 [ 120.622702][ T9182] netlink_rcv_skb+0x118/0x370 [ 120.629305][ T9182] ? rtnl_newlink+0x90/0x90 [ 120.633993][ T9182] ? netlink_ack+0x930/0x930 [ 120.638686][ T9182] ? netlink_deliver_tap+0x130/0x9a0 [ 120.643981][ T9182] netlink_unicast+0x42e/0x700 [ 120.648735][ T9182] ? netlink_attachskb+0x750/0x750 [ 120.654061][ T9182] ? __build_skb_around+0x1f3/0x2b0 [ 120.659802][ T9182] netlink_sendmsg+0x704/0xbf0 [ 120.664721][ T9182] ? netlink_unicast+0x700/0x700 [ 120.669649][ T9182] ? netlink_unicast+0x700/0x700 [ 120.674674][ T9182] sock_sendmsg+0xab/0xe0 [ 120.678985][ T9182] ____sys_sendmsg+0x5bf/0x7a0 [ 120.684172][ T9182] ? kernel_sendmsg+0x30/0x30 [ 120.688985][ T9182] ? do_recvmmsg+0x550/0x550 [ 120.694104][ T9182] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 120.700108][ T9182] ___sys_sendmsg+0xd3/0x150 [ 120.704687][ T9182] ? sendmsg_copy_msghdr+0x110/0x110 [ 120.709953][ T9182] ? find_held_lock+0x2d/0x110 [ 120.714888][ T9182] ? check_preemption_disabled+0x36/0xd0 [ 120.720814][ T9182] ? lock_release+0x424/0x7e0 [ 120.725485][ T9182] ? __fget_files+0x17c/0x2e0 [ 120.730267][ T9182] ? lock_downgrade+0x7b0/0x7b0 [ 120.735136][ T9182] ? find_held_lock+0x2d/0x110 [ 120.740285][ T9182] ? check_preemption_disabled+0x36/0xd0 [ 120.746034][ T9182] ? lock_is_held_type+0xfa/0x130 [ 120.751051][ T9182] ? __fget_files+0x194/0x2e0 [ 120.755720][ T9182] ? __fget_light+0xbe/0x220 [ 120.760480][ T9182] __sys_sendmsg+0xb2/0x140 [ 120.764982][ T9182] ? __sys_sendmsg_sock+0x10/0x10 [ 120.770006][ T9182] ? check_preemption_disabled+0x36/0xd0 [ 120.775626][ T9182] ? syscall_enter_from_user_mode+0x1d/0x60 [ 120.781623][ T9182] ? lockdep_hardirqs_on+0x54/0x100 [ 120.787011][ T9182] do_syscall_64+0x35/0xb0 [ 120.791599][ T9182] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 120.797663][ T9182] RIP: 0033:0x464d29 [ 120.801755][ T9182] 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 [ 120.821608][ T9182] RSP: 002b:00007f5758f9a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 120.830186][ T9182] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 120.838237][ T9182] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 120.846286][ T9182] RBP: 00007f5758f9a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 120.854421][ T9182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 120.862670][ T9182] R13: 00007ffdede04d9f R14: 00007f5758f9a300 R15: 0000000000022000 [ 120.930896][ T9184] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 121.016792][ T9186] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 121.045686][ T9194] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 121.149965][ T9190] FAULT_INJECTION: forcing a failure. [ 121.149965][ T9190] name failslab, interval 1, probability 0, space 0, times 0 [ 121.197442][ T9190] CPU: 0 PID: 9190 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0 [ 121.206418][ T9190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.216676][ T9190] Call Trace: [ 121.219960][ T9190] dump_stack_lvl+0xbd/0xe2 [ 121.224562][ T9190] should_fail.cold+0x5/0xa [ 121.229176][ T9190] should_failslab+0x5/0x10 [ 121.234076][ T9190] kmem_cache_alloc_trace+0x57/0x440 [ 121.239714][ T9190] ? kobj_ns_initial+0x70/0x70 [ 121.244571][ T9190] call_usermodehelper_setup+0x7a/0x300 [ 121.250570][ T9190] kobject_uevent_env+0xa93/0xf30 [ 121.255606][ T9190] ? check_preemption_disabled+0x36/0xd0 [ 121.261386][ T9190] ? __local_bh_enable_ip+0x11f/0x220 [ 121.266796][ T9190] ? __dev_change_net_namespace+0x3fe/0x1120 [ 121.273160][ T9190] ? lockdep_hardirqs_on+0x54/0x100 [ 121.278839][ T9190] __dev_change_net_namespace+0x80b/0x1120 [ 121.284957][ T9190] ? check_preemption_disabled+0x36/0xd0 [ 121.291476][ T9190] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 121.297268][ T9190] ? security_capable+0x4c/0x90 [ 121.302347][ T9190] ? ns_capable+0x4c/0xc0 [ 121.307216][ T9190] do_setlink+0x1d3/0x2cb0 [ 121.311644][ T9190] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 121.317634][ T9190] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 121.323878][ T9190] ? orc_sort_cmp+0xd0/0x140 [ 121.328484][ T9190] ? rtnetlink_put_metrics+0x480/0x480 [ 121.334209][ T9190] ? mark_lock+0xf0/0x15f0 [ 121.338757][ T9190] ? mark_lock+0xf0/0x15f0 [ 121.343205][ T9190] ? __lock_acquire+0xbe2/0x52b0 [ 121.348367][ T9190] ? lock_chain_count+0x20/0x20 [ 121.353341][ T9190] ? memset+0x20/0x40 [ 121.358022][ T9190] ? __nla_validate_parse+0xb2/0x1fd0 [ 121.363421][ T9190] ? lock_chain_count+0x20/0x20 [ 121.368275][ T9190] ? __lock_acquire+0xbe2/0x52b0 [ 121.373218][ T9190] ? nla_get_range_signed+0x540/0x540 [ 121.378597][ T9190] ? __lock_acquire+0xbe2/0x52b0 [ 121.383747][ T9190] __rtnl_newlink+0xaca/0x13b0 [ 121.388787][ T9190] ? lock_is_held_type+0xfa/0x130 [ 121.393802][ T9190] ? rtnl_setlink+0x330/0x330 [ 121.398484][ T9190] ? check_preemption_disabled+0x36/0xd0 [ 121.404100][ T9190] ? lock_release+0x424/0x7e0 [ 121.408796][ T9190] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 121.414971][ T9190] ? is_bpf_text_address+0x65/0xe0 [ 121.420069][ T9190] ? kernel_text_address+0xbd/0xf0 [ 121.425181][ T9190] ? __kernel_text_address+0x9/0x30 [ 121.430536][ T9190] ? unwind_get_return_address+0x51/0x90 [ 121.436262][ T9190] ? create_prof_cpu_mask+0x20/0x20 [ 121.441620][ T9190] ? arch_stack_walk+0x93/0xe0 [ 121.446376][ T9190] ? stack_trace_save+0x8c/0xc0 [ 121.451233][ T9190] ? stack_trace_consume_entry+0x160/0x160 [ 121.457146][ T9190] ? fs_reclaim_release+0x9c/0xf0 [ 121.462230][ T9190] ? lock_is_held_type+0xfa/0x130 [ 121.467308][ T9190] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 121.472841][ T9190] ? trace_kmalloc+0x32/0xf0 [ 121.477595][ T9190] ? kmem_cache_alloc_trace+0x20b/0x440 [ 121.483123][ T9190] rtnl_newlink+0x5a/0x90 [ 121.487654][ T9190] rtnetlink_rcv_msg+0x31d/0x8d0 [ 121.492603][ T9190] ? __dev_queue_xmit+0x14ef/0x2e20 [ 121.497898][ T9190] ? rtnl_newlink+0x90/0x90 [ 121.502391][ T9190] ? check_preemption_disabled+0x36/0xd0 [ 121.508020][ T9190] ? netdev_core_pick_tx+0x290/0x290 [ 121.513555][ T9190] ? lock_acquire+0x150/0x5d0 [ 121.518309][ T9190] netlink_rcv_skb+0x118/0x370 [ 121.523147][ T9190] ? rtnl_newlink+0x90/0x90 [ 121.527812][ T9190] ? netlink_ack+0x930/0x930 [ 121.532482][ T9190] ? netlink_deliver_tap+0x130/0x9a0 [ 121.537831][ T9190] netlink_unicast+0x42e/0x700 [ 121.542711][ T9190] ? netlink_attachskb+0x750/0x750 [ 121.548076][ T9190] ? __build_skb_around+0x1f3/0x2b0 [ 121.553534][ T9190] netlink_sendmsg+0x704/0xbf0 [ 121.558603][ T9190] ? netlink_unicast+0x700/0x700 [ 121.563649][ T9190] ? netlink_unicast+0x700/0x700 [ 121.568689][ T9190] sock_sendmsg+0xab/0xe0 [ 121.573018][ T9190] ____sys_sendmsg+0x5bf/0x7a0 [ 121.577763][ T9190] ? kernel_sendmsg+0x30/0x30 [ 121.582423][ T9190] ? do_recvmmsg+0x550/0x550 [ 121.586992][ T9190] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 121.592951][ T9190] ___sys_sendmsg+0xd3/0x150 [ 121.597523][ T9190] ? sendmsg_copy_msghdr+0x110/0x110 [ 121.602894][ T9190] ? find_held_lock+0x2d/0x110 [ 121.607654][ T9190] ? check_preemption_disabled+0x36/0xd0 [ 121.613973][ T9190] ? lock_release+0x424/0x7e0 [ 121.618765][ T9190] ? __fget_files+0x17c/0x2e0 [ 121.623556][ T9190] ? lock_downgrade+0x7b0/0x7b0 [ 121.628578][ T9190] ? find_held_lock+0x2d/0x110 [ 121.633322][ T9190] ? check_preemption_disabled+0x36/0xd0 [ 121.639031][ T9190] ? lock_is_held_type+0xfa/0x130 [ 121.644050][ T9190] ? __fget_files+0x194/0x2e0 [ 121.648725][ T9190] ? __fget_light+0xbe/0x220 [ 121.653302][ T9190] __sys_sendmsg+0xb2/0x140 [ 121.657806][ T9190] ? __sys_sendmsg_sock+0x10/0x10 [ 121.662841][ T9190] ? check_preemption_disabled+0x36/0xd0 [ 121.668475][ T9190] ? syscall_enter_from_user_mode+0x1d/0x60 [ 121.674449][ T9190] ? lockdep_hardirqs_on+0x54/0x100 [ 121.679661][ T9190] do_syscall_64+0x35/0xb0 [ 121.684356][ T9190] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 121.690443][ T9190] RIP: 0033:0x464d29 [ 121.694355][ T9190] 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 [ 121.714873][ T9190] RSP: 002b:00007f1928e58188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.723272][ T9190] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 121.731591][ T9190] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 121.739669][ T9190] RBP: 00007f1928e581d0 R08: 0000000000000000 R09: 0000000000000000 [ 121.747638][ T9190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 121.755677][ T9190] R13: 00007ffed317a6bf R14: 00007f1928e58300 R15: 0000000000022000 [ 121.806108][ T9202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 121.894352][ T9218] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 122.009443][ T9241] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 122.179906][ T9249] FAULT_INJECTION: forcing a failure. [ 122.179906][ T9249] name failslab, interval 1, probability 0, space 0, times 0 [ 122.249923][ T9249] CPU: 1 PID: 9249 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 122.258630][ T9249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.268773][ T9249] Call Trace: [ 122.272066][ T9249] dump_stack_lvl+0xbd/0xe2 [ 122.276836][ T9249] should_fail.cold+0x5/0xa [ 122.281365][ T9249] should_failslab+0x5/0x10 [ 122.285870][ T9249] kmem_cache_alloc_node_trace+0x66/0x570 [ 122.291850][ T9249] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 122.297687][ T9249] __kmalloc_node_track_caller+0x38/0x60 [ 122.303326][ T9249] __alloc_skb+0x8b/0x280 [ 122.307675][ T9249] alloc_uevent_skb+0x76/0x200 [ 122.312445][ T9249] kobject_uevent_env+0xc42/0xf30 [ 122.317494][ T9249] ? check_preemption_disabled+0x36/0xd0 [ 122.323220][ T9249] ? __local_bh_enable_ip+0x11f/0x220 [ 122.328704][ T9249] ? __dev_change_net_namespace+0x3fe/0x1120 [ 122.334922][ T9249] ? lockdep_hardirqs_on+0x54/0x100 [ 122.340214][ T9249] __dev_change_net_namespace+0x80b/0x1120 [ 122.346117][ T9249] ? check_preemption_disabled+0x36/0xd0 [ 122.351931][ T9249] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 122.357327][ T9249] ? security_capable+0x4c/0x90 [ 122.362199][ T9249] ? ns_capable+0x4c/0xc0 [ 122.367147][ T9249] do_setlink+0x1d3/0x2cb0 [ 122.371565][ T9249] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 122.377647][ T9249] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 122.383943][ T9249] ? orc_sort_cmp+0xd0/0x140 [ 122.388731][ T9249] ? rtnetlink_put_metrics+0x480/0x480 [ 122.394284][ T9249] ? mark_lock+0xf0/0x15f0 [ 122.398741][ T9249] ? mark_lock+0xf0/0x15f0 [ 122.403162][ T9249] ? __lock_acquire+0xbe2/0x52b0 [ 122.408198][ T9249] ? lock_chain_count+0x20/0x20 [ 122.413048][ T9249] ? memset+0x20/0x40 [ 122.417021][ T9249] ? __nla_validate_parse+0xb2/0x1fd0 [ 122.422392][ T9249] ? lock_chain_count+0x20/0x20 [ 122.427238][ T9249] ? __lock_acquire+0xbe2/0x52b0 [ 122.432173][ T9249] ? nla_get_range_signed+0x540/0x540 [ 122.437628][ T9249] ? __lock_acquire+0xbe2/0x52b0 [ 122.442579][ T9249] __rtnl_newlink+0xaca/0x13b0 [ 122.447444][ T9249] ? lock_is_held_type+0xfa/0x130 [ 122.452476][ T9249] ? rtnl_setlink+0x330/0x330 [ 122.457151][ T9249] ? check_preemption_disabled+0x36/0xd0 [ 122.462819][ T9249] ? lock_release+0x424/0x7e0 [ 122.467505][ T9249] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 122.473608][ T9249] ? is_bpf_text_address+0x65/0xe0 [ 122.478721][ T9249] ? kernel_text_address+0xbd/0xf0 [ 122.483837][ T9249] ? __kernel_text_address+0x9/0x30 [ 122.489307][ T9249] ? unwind_get_return_address+0x51/0x90 [ 122.495029][ T9249] ? create_prof_cpu_mask+0x20/0x20 [ 122.500316][ T9249] ? arch_stack_walk+0x93/0xe0 [ 122.505104][ T9249] ? stack_trace_save+0x8c/0xc0 [ 122.509970][ T9249] ? stack_trace_consume_entry+0x160/0x160 [ 122.517737][ T9249] ? fs_reclaim_release+0x9c/0xf0 [ 122.522780][ T9249] ? lock_is_held_type+0xfa/0x130 [ 122.528002][ T9249] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 122.533896][ T9249] ? trace_kmalloc+0x32/0xf0 [ 122.538781][ T9249] ? kmem_cache_alloc_trace+0x20b/0x440 [ 122.544338][ T9249] rtnl_newlink+0x5a/0x90 [ 122.548758][ T9249] rtnetlink_rcv_msg+0x31d/0x8d0 [ 122.553700][ T9249] ? __dev_queue_xmit+0x14ef/0x2e20 [ 122.558908][ T9249] ? rtnl_newlink+0x90/0x90 [ 122.563767][ T9249] ? check_preemption_disabled+0x36/0xd0 [ 122.569399][ T9249] ? netdev_core_pick_tx+0x290/0x290 [ 122.574690][ T9249] ? lock_acquire+0x150/0x5d0 [ 122.579453][ T9249] netlink_rcv_skb+0x118/0x370 [ 122.584311][ T9249] ? rtnl_newlink+0x90/0x90 [ 122.588909][ T9249] ? netlink_ack+0x930/0x930 [ 122.593500][ T9249] ? netlink_deliver_tap+0x130/0x9a0 [ 122.598968][ T9249] netlink_unicast+0x42e/0x700 [ 122.603745][ T9249] ? netlink_attachskb+0x750/0x750 [ 122.609043][ T9249] ? __build_skb_around+0x1f3/0x2b0 [ 122.614426][ T9249] netlink_sendmsg+0x704/0xbf0 [ 122.619204][ T9249] ? netlink_unicast+0x700/0x700 [ 122.624329][ T9249] ? netlink_unicast+0x700/0x700 [ 122.629272][ T9249] sock_sendmsg+0xab/0xe0 [ 122.633613][ T9249] ____sys_sendmsg+0x5bf/0x7a0 [ 122.638476][ T9249] ? kernel_sendmsg+0x30/0x30 [ 122.643154][ T9249] ? do_recvmmsg+0x550/0x550 [ 122.647753][ T9249] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 122.653849][ T9249] ___sys_sendmsg+0xd3/0x150 [ 122.658446][ T9249] ? sendmsg_copy_msghdr+0x110/0x110 [ 122.664017][ T9249] ? find_held_lock+0x2d/0x110 [ 122.668783][ T9249] ? check_preemption_disabled+0x36/0xd0 [ 122.674501][ T9249] ? lock_release+0x424/0x7e0 [ 122.679452][ T9249] ? __fget_files+0x17c/0x2e0 [ 122.684141][ T9249] ? lock_downgrade+0x7b0/0x7b0 [ 122.689112][ T9249] ? find_held_lock+0x2d/0x110 [ 122.693889][ T9249] ? check_preemption_disabled+0x36/0xd0 [ 122.699537][ T9249] ? lock_is_held_type+0xfa/0x130 [ 122.704703][ T9249] ? __fget_files+0x194/0x2e0 [ 122.709380][ T9249] ? __fget_light+0xbe/0x220 [ 122.713966][ T9249] __sys_sendmsg+0xb2/0x140 [ 122.718650][ T9249] ? __sys_sendmsg_sock+0x10/0x10 [ 122.723672][ T9249] ? check_preemption_disabled+0x36/0xd0 [ 122.729287][ T9249] ? syscall_enter_from_user_mode+0x1d/0x60 [ 122.735160][ T9249] ? lockdep_hardirqs_on+0x54/0x100 [ 122.740436][ T9249] do_syscall_64+0x35/0xb0 [ 122.745029][ T9249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 122.750991][ T9249] RIP: 0033:0x464d29 [ 122.754906][ T9249] 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 [ 122.774689][ T9249] RSP: 002b:00007f5758f9a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.783175][ T9249] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 122.791337][ T9249] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 122.799684][ T9249] RBP: 00007f5758f9a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 122.807823][ T9249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 122.816798][ T9249] R13: 00007ffdede04d9f R14: 00007f5758f9a300 R15: 0000000000022000 [ 122.917998][ T9257] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 122.997953][ T9258] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 123.090358][ T9261] FAULT_INJECTION: forcing a failure. [ 123.090358][ T9261] name failslab, interval 1, probability 0, space 0, times 0 [ 123.113582][ T9261] CPU: 1 PID: 9261 Comm: syz-executor.5 Not tainted 5.14.0-rc1-syzkaller #0 [ 123.122741][ T9261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.132996][ T9261] Call Trace: [ 123.136725][ T9261] dump_stack_lvl+0xbd/0xe2 [ 123.141678][ T9261] should_fail.cold+0x5/0xa [ 123.146290][ T9261] should_failslab+0x5/0x10 [ 123.151161][ T9261] kmem_cache_alloc_node+0x60/0x540 [ 123.156464][ T9261] __alloc_skb+0x153/0x280 [ 123.160898][ T9261] alloc_uevent_skb+0x76/0x200 [ 123.165762][ T9261] kobject_uevent_env+0xc42/0xf30 [ 123.170903][ T9261] ? check_preemption_disabled+0x36/0xd0 [ 123.176538][ T9261] ? __local_bh_enable_ip+0x11f/0x220 [ 123.182005][ T9261] ? __dev_change_net_namespace+0x3fe/0x1120 [ 123.187983][ T9261] ? lockdep_hardirqs_on+0x54/0x100 [ 123.193368][ T9261] __dev_change_net_namespace+0x80b/0x1120 [ 123.199285][ T9261] ? check_preemption_disabled+0x36/0xd0 [ 123.205017][ T9261] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 123.210252][ T9261] ? security_capable+0x4c/0x90 [ 123.215385][ T9261] ? ns_capable+0x4c/0xc0 [ 123.219810][ T9261] do_setlink+0x1d3/0x2cb0 [ 123.224236][ T9261] ? rtnetlink_put_metrics+0x480/0x480 [ 123.229703][ T9261] ? mark_lock+0xf0/0x15f0 [ 123.234306][ T9261] ? lock_chain_count+0x20/0x20 [ 123.239502][ T9261] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 123.245392][ T9261] ? lock_chain_count+0x20/0x20 [ 123.250234][ T9261] ? lock_is_held_type+0xd9/0x130 [ 123.255515][ T9261] ? memset+0x20/0x40 [ 123.259734][ T9261] ? __nla_validate_parse+0xb2/0x1fd0 [ 123.265139][ T9261] ? nla_get_range_signed+0x540/0x540 [ 123.270770][ T9261] ? __lock_acquire+0xbe2/0x52b0 [ 123.275824][ T9261] __rtnl_newlink+0xaca/0x13b0 [ 123.280769][ T9261] ? lock_is_held_type+0xfa/0x130 [ 123.286073][ T9261] ? rtnl_setlink+0x330/0x330 [ 123.290744][ T9261] ? check_preemption_disabled+0x36/0xd0 [ 123.296469][ T9261] ? lock_release+0x424/0x7e0 [ 123.301142][ T9261] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 123.307213][ T9261] ? is_bpf_text_address+0x65/0xe0 [ 123.312663][ T9261] ? kernel_text_address+0xbd/0xf0 [ 123.317870][ T9261] ? __kernel_text_address+0x9/0x30 [ 123.323067][ T9261] ? unwind_get_return_address+0x51/0x90 [ 123.328931][ T9261] ? create_prof_cpu_mask+0x20/0x20 [ 123.334600][ T9261] ? arch_stack_walk+0x93/0xe0 [ 123.339669][ T9261] ? stack_trace_save+0x8c/0xc0 [ 123.344514][ T9261] ? stack_trace_consume_entry+0x160/0x160 [ 123.350444][ T9261] ? fs_reclaim_release+0x9c/0xf0 [ 123.355568][ T9261] ? lock_is_held_type+0xfa/0x130 [ 123.360754][ T9261] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 123.366573][ T9261] ? trace_kmalloc+0x32/0xf0 [ 123.371155][ T9261] ? kmem_cache_alloc_trace+0x20b/0x440 [ 123.376703][ T9261] rtnl_newlink+0x5a/0x90 [ 123.381030][ T9261] rtnetlink_rcv_msg+0x31d/0x8d0 [ 123.386138][ T9261] ? __dev_queue_xmit+0x14ef/0x2e20 [ 123.391322][ T9261] ? rtnl_newlink+0x90/0x90 [ 123.395830][ T9261] ? check_preemption_disabled+0x36/0xd0 [ 123.401540][ T9261] ? netdev_core_pick_tx+0x290/0x290 [ 123.406943][ T9261] ? lock_acquire+0x150/0x5d0 [ 123.411731][ T9261] netlink_rcv_skb+0x118/0x370 [ 123.416674][ T9261] ? rtnl_newlink+0x90/0x90 [ 123.421379][ T9261] ? netlink_ack+0x930/0x930 [ 123.425963][ T9261] ? netlink_deliver_tap+0x130/0x9a0 [ 123.431735][ T9261] netlink_unicast+0x42e/0x700 [ 123.436868][ T9261] ? netlink_attachskb+0x750/0x750 [ 123.442175][ T9261] ? __build_skb_around+0x1f3/0x2b0 [ 123.447762][ T9261] netlink_sendmsg+0x704/0xbf0 [ 123.452614][ T9261] ? netlink_unicast+0x700/0x700 [ 123.458132][ T9261] ? netlink_unicast+0x700/0x700 [ 123.463229][ T9261] sock_sendmsg+0xab/0xe0 [ 123.467544][ T9261] ____sys_sendmsg+0x5bf/0x7a0 [ 123.472395][ T9261] ? kernel_sendmsg+0x30/0x30 [ 123.477163][ T9261] ? do_recvmmsg+0x550/0x550 [ 123.482091][ T9261] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 123.488154][ T9261] ___sys_sendmsg+0xd3/0x150 [ 123.492895][ T9261] ? sendmsg_copy_msghdr+0x110/0x110 [ 123.498344][ T9261] ? find_held_lock+0x2d/0x110 [ 123.503173][ T9261] ? check_preemption_disabled+0x36/0xd0 [ 123.508905][ T9261] ? lock_release+0x424/0x7e0 [ 123.513658][ T9261] ? __fget_files+0x17c/0x2e0 [ 123.518741][ T9261] ? lock_downgrade+0x7b0/0x7b0 [ 123.523772][ T9261] ? find_held_lock+0x2d/0x110 [ 123.528532][ T9261] ? check_preemption_disabled+0x36/0xd0 [ 123.534425][ T9261] ? lock_is_held_type+0xfa/0x130 [ 123.539619][ T9261] ? __fget_files+0x194/0x2e0 [ 123.544388][ T9261] ? __fget_light+0xbe/0x220 [ 123.549082][ T9261] __sys_sendmsg+0xb2/0x140 [ 123.553713][ T9261] ? __sys_sendmsg_sock+0x10/0x10 [ 123.558917][ T9261] ? check_preemption_disabled+0x36/0xd0 [ 123.564638][ T9261] ? syscall_enter_from_user_mode+0x1d/0x60 [ 123.570796][ T9261] ? lockdep_hardirqs_on+0x54/0x100 [ 123.576014][ T9261] do_syscall_64+0x35/0xb0 [ 123.580439][ T9261] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 123.586342][ T9261] RIP: 0033:0x464d29 [ 123.590257][ T9261] 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 [ 123.610770][ T9261] RSP: 002b:00007fec7b1a2188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 123.619248][ T9261] RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 [ 123.627467][ T9261] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 123.635545][ T9261] RBP: 00007fec7b1a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 123.643734][ T9261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 123.652015][ T9261] R13: 00007fff5779249f R14: 00007fec7b1a2300 R15: 0000000000022000 [ 123.728075][ T9295] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 124.240442][ T9416] FAULT_INJECTION: forcing a failure. [ 124.240442][ T9416] name failslab, interval 1, probability 0, space 0, times 0 [ 124.287238][ T9416] CPU: 1 PID: 9416 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 124.296118][ T9416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.306175][ T9416] Call Trace: [ 124.309763][ T9416] dump_stack_lvl+0xbd/0xe2 [ 124.314353][ T9416] should_fail.cold+0x5/0xa [ 124.319039][ T9416] ? device_rename+0x63/0x1b0 [ 124.323730][ T9416] should_failslab+0x5/0x10 [ 124.328336][ T9416] __kmalloc_track_caller+0x7c/0x480 [ 124.333765][ T9416] ? kobject_uevent_env+0x21a/0xf30 [ 124.339167][ T9416] kstrdup+0x29/0x50 [ 124.343164][ T9416] device_rename+0x63/0x1b0 [ 124.347859][ T9416] __dev_change_net_namespace+0xa55/0x1120 [ 124.353854][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 124.359497][ T9416] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 124.364795][ T9416] ? security_capable+0x4c/0x90 [ 124.369839][ T9416] ? ns_capable+0x4c/0xc0 [ 124.374361][ T9416] do_setlink+0x1d3/0x2cb0 [ 124.378822][ T9416] ? __lock_acquire+0x159d/0x52b0 [ 124.383862][ T9416] ? rtnetlink_put_metrics+0x480/0x480 [ 124.389444][ T9416] ? mark_lock+0xf0/0x15f0 [ 124.394129][ T9416] ? mark_lock+0xf0/0x15f0 [ 124.398591][ T9416] ? __lock_acquire+0xbe2/0x52b0 [ 124.403971][ T9416] ? lock_chain_count+0x20/0x20 [ 124.408928][ T9416] ? memset+0x20/0x40 [ 124.413005][ T9416] ? __nla_validate_parse+0xb2/0x1fd0 [ 124.418656][ T9416] ? lock_chain_count+0x20/0x20 [ 124.423557][ T9416] ? __lock_acquire+0xbe2/0x52b0 [ 124.428589][ T9416] ? nla_get_range_signed+0x540/0x540 [ 124.434103][ T9416] ? __lock_acquire+0xbe2/0x52b0 [ 124.439182][ T9416] __rtnl_newlink+0xaca/0x13b0 [ 124.444085][ T9416] ? lock_is_held_type+0xfa/0x130 [ 124.449112][ T9416] ? rtnl_setlink+0x330/0x330 [ 124.454496][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 124.460132][ T9416] ? lock_release+0x424/0x7e0 [ 124.464852][ T9416] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 124.470961][ T9416] ? is_bpf_text_address+0x65/0xe0 [ 124.476162][ T9416] ? kernel_text_address+0xbd/0xf0 [ 124.481710][ T9416] ? __kernel_text_address+0x9/0x30 [ 124.487179][ T9416] ? unwind_get_return_address+0x51/0x90 [ 124.492820][ T9416] ? create_prof_cpu_mask+0x20/0x20 [ 124.498024][ T9416] ? arch_stack_walk+0x93/0xe0 [ 124.502805][ T9416] ? stack_trace_save+0x8c/0xc0 [ 124.507748][ T9416] ? stack_trace_consume_entry+0x160/0x160 [ 124.513605][ T9416] ? fs_reclaim_release+0x9c/0xf0 [ 124.519421][ T9416] ? lock_is_held_type+0xfa/0x130 [ 124.524454][ T9416] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 124.530006][ T9416] ? trace_kmalloc+0x32/0xf0 [ 124.534781][ T9416] ? kmem_cache_alloc_trace+0x20b/0x440 [ 124.540546][ T9416] rtnl_newlink+0x5a/0x90 [ 124.544894][ T9416] rtnetlink_rcv_msg+0x31d/0x8d0 [ 124.550010][ T9416] ? __dev_queue_xmit+0x14ef/0x2e20 [ 124.555397][ T9416] ? rtnl_newlink+0x90/0x90 [ 124.560220][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 124.565888][ T9416] ? netdev_core_pick_tx+0x290/0x290 [ 124.571182][ T9416] ? lock_acquire+0x150/0x5d0 [ 124.576093][ T9416] netlink_rcv_skb+0x118/0x370 [ 124.581089][ T9416] ? rtnl_newlink+0x90/0x90 [ 124.585598][ T9416] ? netlink_ack+0x930/0x930 [ 124.590190][ T9416] ? netlink_deliver_tap+0x130/0x9a0 [ 124.595541][ T9416] netlink_unicast+0x42e/0x700 [ 124.600534][ T9416] ? netlink_attachskb+0x750/0x750 [ 124.605647][ T9416] ? __build_skb_around+0x1f3/0x2b0 [ 124.610910][ T9416] netlink_sendmsg+0x704/0xbf0 [ 124.615683][ T9416] ? netlink_unicast+0x700/0x700 [ 124.620631][ T9416] ? netlink_unicast+0x700/0x700 [ 124.625583][ T9416] sock_sendmsg+0xab/0xe0 [ 124.629956][ T9416] ____sys_sendmsg+0x5bf/0x7a0 [ 124.634822][ T9416] ? kernel_sendmsg+0x30/0x30 [ 124.639507][ T9416] ? do_recvmmsg+0x550/0x550 [ 124.644108][ T9416] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 124.650118][ T9416] ___sys_sendmsg+0xd3/0x150 [ 124.654809][ T9416] ? sendmsg_copy_msghdr+0x110/0x110 [ 124.660100][ T9416] ? find_held_lock+0x2d/0x110 [ 124.664873][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 124.670789][ T9416] ? lock_release+0x424/0x7e0 [ 124.675664][ T9416] ? __fget_files+0x17c/0x2e0 [ 124.681285][ T9416] ? lock_downgrade+0x7b0/0x7b0 [ 124.686241][ T9416] ? find_held_lock+0x2d/0x110 [ 124.691020][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 124.696662][ T9416] ? lock_is_held_type+0xfa/0x130 [ 124.701703][ T9416] ? __fget_files+0x194/0x2e0 [ 124.706483][ T9416] ? __fget_light+0xbe/0x220 [ 124.711083][ T9416] __sys_sendmsg+0xb2/0x140 [ 124.715686][ T9416] ? __sys_sendmsg_sock+0x10/0x10 [ 124.720727][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 124.726457][ T9416] ? syscall_enter_from_user_mode+0x1d/0x60 [ 124.732360][ T9416] ? lockdep_hardirqs_on+0x54/0x100 [ 124.737573][ T9416] do_syscall_64+0x35/0xb0 [ 124.742002][ T9416] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 124.747921][ T9416] RIP: 0033:0x464d29 [ 124.752082][ T9416] 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 [ 124.772065][ T9416] RSP: 002b:00007f5758fdc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 124.780495][ T9416] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 124.788572][ T9416] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 124.796667][ T9416] RBP: 00007f5758fdc1d0 R08: 0000000000000000 R09: 0000000000000000 [ 124.804729][ T9416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 124.812975][ T9416] R13: 00007ffdede04d9f R14: 00007f5758fdc300 R15: 0000000000022000 [ 124.840865][ T9416] ------------[ cut here ]------------ [ 124.848895][ T9416] WARNING: CPU: 1 PID: 9416 at net/core/dev.c:11239 __dev_change_net_namespace+0xe5a/0x1120 [ 124.866935][ T9416] Modules linked in: [ 124.886103][ T9416] CPU: 1 PID: 9416 Comm: syz-executor.3 Not tainted 5.14.0-rc1-syzkaller #0 [ 124.916437][ T9416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.942402][ T9416] RIP: 0010:__dev_change_net_namespace+0xe5a/0x1120 [ 124.964105][ T9416] Code: 00 00 48 c7 c6 20 32 9b 88 48 c7 c7 60 32 9b 88 c6 05 9b b8 9d 04 01 e8 38 a6 9f 01 0f 0b e9 71 f2 ff ff 0f 0b e9 1d fc ff ff <0f> 0b e9 fc fb ff ff 41 bd ea ff ff ff e9 17 f4 ff ff e8 0f 45 e5 [ 124.988056][ T9416] RSP: 0018:ffffc900025ceda0 EFLAGS: 00010282 [ 124.994677][ T9416] RAX: 00000000fffffff4 RBX: ffffffff8a30eec0 RCX: 0000000000000001 [ 125.004088][ T9416] RDX: dffffc0000000000 RSI: ffffffff87eb67e0 RDI: ffffffff8833dfa0 [ 125.013340][ T9416] RBP: ffff888126d5a000 R08: 0000000000000001 R09: ffff888126d5a603 [ 125.022244][ T9416] R10: ffffed1024dab4c0 R11: 6637303030302052 R12: ffff888126d5ab78 [ 125.033973][ T9416] R13: ffff888126d5a098 R14: 00000000000000be R15: 000000008a30eec0 [ 125.046978][ T9416] FS: 00007f5758fdc700(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 [ 125.056592][ T9416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.064371][ T9416] CR2: 00007f1494a1b000 CR3: 000000012fb18003 CR4: 00000000001706e0 [ 125.074172][ T9416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 125.083392][ T9416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 125.095535][ T9416] Call Trace: [ 125.098937][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 125.106025][ T9416] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 125.112852][ T9416] ? security_capable+0x4c/0x90 [ 125.117854][ T9416] ? ns_capable+0x4c/0xc0 [ 125.123311][ T9416] do_setlink+0x1d3/0x2cb0 [ 125.128103][ T9416] ? __lock_acquire+0x159d/0x52b0 [ 125.134284][ T9416] ? rtnetlink_put_metrics+0x480/0x480 [ 125.140412][ T9416] ? mark_lock+0xf0/0x15f0 [ 125.145105][ T9416] ? mark_lock+0xf0/0x15f0 [ 125.150581][ T9416] ? __lock_acquire+0xbe2/0x52b0 [ 125.156085][ T9416] ? lock_chain_count+0x20/0x20 [ 125.162596][ T9416] ? memset+0x20/0x40 [ 125.166883][ T9416] ? __nla_validate_parse+0xb2/0x1fd0 [ 125.174130][ T9416] ? lock_chain_count+0x20/0x20 [ 125.179008][ T9416] ? __lock_acquire+0xbe2/0x52b0 [ 125.184841][ T9416] ? nla_get_range_signed+0x540/0x540 [ 125.190897][ T9416] ? __lock_acquire+0xbe2/0x52b0 [ 125.195981][ T9416] __rtnl_newlink+0xaca/0x13b0 [ 125.203491][ T9416] ? lock_is_held_type+0xfa/0x130 [ 125.208895][ T9416] ? rtnl_setlink+0x330/0x330 [ 125.214955][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 125.222487][ T9416] ? lock_release+0x424/0x7e0 [ 125.227323][ T9416] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 125.235365][ T9416] ? is_bpf_text_address+0x65/0xe0 [ 125.241183][ T9416] ? kernel_text_address+0xbd/0xf0 [ 125.246409][ T9416] ? __kernel_text_address+0x9/0x30 [ 125.252686][ T9416] ? unwind_get_return_address+0x51/0x90 [ 125.258341][ T9416] ? create_prof_cpu_mask+0x20/0x20 [ 125.264655][ T9416] ? arch_stack_walk+0x93/0xe0 [ 125.270321][ T9416] ? stack_trace_save+0x8c/0xc0 [ 125.275187][ T9416] ? stack_trace_consume_entry+0x160/0x160 [ 125.282344][ T9416] ? fs_reclaim_release+0x9c/0xf0 [ 125.287481][ T9416] ? lock_is_held_type+0xfa/0x130 [ 125.293514][ T9416] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 125.299278][ T9416] ? trace_kmalloc+0x32/0xf0 [ 125.304896][ T9416] ? kmem_cache_alloc_trace+0x20b/0x440 [ 125.311715][ T9416] rtnl_newlink+0x5a/0x90 [ 125.316317][ T9416] rtnetlink_rcv_msg+0x31d/0x8d0 [ 125.322587][ T9416] ? __dev_queue_xmit+0x14ef/0x2e20 [ 125.328043][ T9416] ? rtnl_newlink+0x90/0x90 [ 125.334071][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 125.340684][ T9416] ? netdev_core_pick_tx+0x290/0x290 [ 125.346179][ T9416] ? lock_acquire+0x150/0x5d0 [ 125.352106][ T9416] netlink_rcv_skb+0x118/0x370 [ 125.356894][ T9416] ? rtnl_newlink+0x90/0x90 [ 125.362345][ T9416] ? netlink_ack+0x930/0x930 [ 125.367122][ T9416] ? netlink_deliver_tap+0x130/0x9a0 [ 125.373464][ T9416] netlink_unicast+0x42e/0x700 [ 125.378591][ T9416] ? netlink_attachskb+0x750/0x750 [ 125.384546][ T9416] ? __build_skb_around+0x1f3/0x2b0 [ 125.390701][ T9416] netlink_sendmsg+0x704/0xbf0 [ 125.395571][ T9416] ? netlink_unicast+0x700/0x700 [ 125.403269][ T9416] ? netlink_unicast+0x700/0x700 [ 125.408510][ T9416] sock_sendmsg+0xab/0xe0 [ 125.414073][ T9416] ____sys_sendmsg+0x5bf/0x7a0 [ 125.419022][ T9416] ? kernel_sendmsg+0x30/0x30 [ 125.425094][ T9416] ? do_recvmmsg+0x550/0x550 [ 125.431442][ T9416] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 125.437624][ T9416] ___sys_sendmsg+0xd3/0x150 [ 125.443834][ T9416] ? sendmsg_copy_msghdr+0x110/0x110 [ 125.450220][ T9416] ? find_held_lock+0x2d/0x110 [ 125.455099][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 125.461593][ T9416] ? lock_release+0x424/0x7e0 [ 125.466623][ T9416] ? __fget_files+0x17c/0x2e0 [ 125.472314][ T9416] ? lock_downgrade+0x7b0/0x7b0 [ 125.477447][ T9416] ? find_held_lock+0x2d/0x110 [ 125.482575][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 125.488520][ T9416] ? lock_is_held_type+0xfa/0x130 [ 125.494821][ T9416] ? __fget_files+0x194/0x2e0 [ 125.500242][ T9416] ? __fget_light+0xbe/0x220 [ 125.505403][ T9416] __sys_sendmsg+0xb2/0x140 [ 125.512719][ T9416] ? __sys_sendmsg_sock+0x10/0x10 [ 125.518119][ T9416] ? check_preemption_disabled+0x36/0xd0 [ 125.525597][ T9416] ? syscall_enter_from_user_mode+0x1d/0x60 [ 125.532516][ T9416] ? lockdep_hardirqs_on+0x54/0x100 [ 125.538261][ T9416] do_syscall_64+0x35/0xb0 [ 125.543547][ T9416] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 125.550442][ T9416] RIP: 0033:0x464d29 [ 125.554625][ T9416] 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 [ 125.575181][ T9416] RSP: 002b:00007f5758fdc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.585543][ T9416] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 125.595134][ T9416] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 125.608060][ T9416] RBP: 00007f5758fdc1d0 R08: 0000000000000000 R09: 0000000000000000 [ 125.617905][ T9416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 125.627890][ T9416] R13: 00007ffdede04d9f R14: 00007f5758fdc300 R15: 0000000000022000 [ 125.636753][ T9416] irq event stamp: 7805 [ 125.641209][ T9416] hardirqs last enabled at (7855): [] finish_task_switch.isra.0+0x224/0x980 [ 125.652387][ T9416] hardirqs last disabled at (7884): [] __schedule+0x116e/0x2170 2021/07/12 15:33:13 executed programs: 162 [ 125.662296][ T9416] softirqs last enabled at (7900): [] irq_exit_rcu+0x229/0x270 [ 125.672293][ T9416] softirqs last disabled at (7915): [] irq_exit_rcu+0x229/0x270 [ 125.682258][ T9416] ---[ end trace 0d4e35b175513329 ]--- [ 125.745639][ T9414] FAULT_INJECTION: forcing a failure. [ 125.745639][ T9414] name failslab, interval 1, probability 0, space 0, times 0 [ 125.759685][ T9414] CPU: 0 PID: 9414 Comm: syz-executor.4 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 125.770302][ T9414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.780466][ T9414] Call Trace: [ 125.783758][ T9414] dump_stack_lvl+0xbd/0xe2 [ 125.788434][ T9414] should_fail.cold+0x5/0xa [ 125.793349][ T9414] ? device_rename+0x63/0x1b0 [ 125.798024][ T9414] should_failslab+0x5/0x10 [ 125.802515][ T9414] __kmalloc_track_caller+0x7c/0x480 [ 125.807899][ T9414] ? kobject_uevent_env+0x21a/0xf30 [ 125.813089][ T9414] kstrdup+0x29/0x50 [ 125.817077][ T9414] device_rename+0x63/0x1b0 [ 125.821568][ T9414] __dev_change_net_namespace+0xa55/0x1120 [ 125.827529][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 125.833159][ T9414] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 125.838448][ T9414] ? security_capable+0x4c/0x90 [ 125.843782][ T9414] ? ns_capable+0x4c/0xc0 [ 125.848291][ T9414] do_setlink+0x1d3/0x2cb0 [ 125.852872][ T9414] ? __lock_acquire+0x159d/0x52b0 [ 125.859312][ T9414] ? rtnetlink_put_metrics+0x480/0x480 [ 125.866740][ T9414] ? mark_lock+0xf0/0x15f0 [ 125.872130][ T9414] ? mark_lock+0xf0/0x15f0 [ 125.878090][ T9414] ? __lock_acquire+0xbe2/0x52b0 [ 125.883890][ T9414] ? lock_chain_count+0x20/0x20 [ 125.889107][ T9414] ? memset+0x20/0x40 [ 125.893488][ T9414] ? __nla_validate_parse+0xb2/0x1fd0 [ 125.899423][ T9414] ? lock_chain_count+0x20/0x20 [ 125.904617][ T9414] ? __lock_acquire+0xbe2/0x52b0 [ 125.909567][ T9414] ? nla_get_range_signed+0x540/0x540 [ 125.915505][ T9414] ? __lock_acquire+0xbe2/0x52b0 [ 125.921949][ T9414] __rtnl_newlink+0xaca/0x13b0 [ 125.927333][ T9414] ? lock_is_held_type+0xfa/0x130 [ 125.932641][ T9414] ? rtnl_setlink+0x330/0x330 [ 125.937593][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 125.943999][ T9414] ? lock_release+0x424/0x7e0 [ 125.948711][ T9414] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 125.955192][ T9414] ? is_bpf_text_address+0x65/0xe0 [ 125.960565][ T9414] ? kernel_text_address+0xbd/0xf0 [ 125.966214][ T9414] ? __kernel_text_address+0x9/0x30 [ 125.971678][ T9414] ? unwind_get_return_address+0x51/0x90 [ 125.978361][ T9414] ? create_prof_cpu_mask+0x20/0x20 [ 125.983661][ T9414] ? arch_stack_walk+0x93/0xe0 [ 125.988873][ T9414] ? stack_trace_save+0x8c/0xc0 [ 125.997136][ T9414] ? stack_trace_consume_entry+0x160/0x160 [ 126.003050][ T9414] ? fs_reclaim_release+0x9c/0xf0 [ 126.008397][ T9414] ? lock_is_held_type+0xfa/0x130 [ 126.014304][ T9414] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 126.020151][ T9414] ? trace_kmalloc+0x32/0xf0 [ 126.024895][ T9414] ? kmem_cache_alloc_trace+0x20b/0x440 [ 126.030446][ T9414] rtnl_newlink+0x5a/0x90 [ 126.035064][ T9414] rtnetlink_rcv_msg+0x31d/0x8d0 [ 126.040071][ T9414] ? __dev_queue_xmit+0x14ef/0x2e20 [ 126.045533][ T9414] ? rtnl_newlink+0x90/0x90 [ 126.050030][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.055937][ T9414] ? netdev_core_pick_tx+0x290/0x290 [ 126.061487][ T9414] ? lock_acquire+0x150/0x5d0 [ 126.066331][ T9414] netlink_rcv_skb+0x118/0x370 [ 126.071258][ T9414] ? rtnl_newlink+0x90/0x90 [ 126.075847][ T9414] ? netlink_ack+0x930/0x930 [ 126.080541][ T9414] ? netlink_deliver_tap+0x130/0x9a0 [ 126.086226][ T9414] netlink_unicast+0x42e/0x700 [ 126.091178][ T9414] ? netlink_attachskb+0x750/0x750 [ 126.096956][ T9414] ? __build_skb_around+0x1f3/0x2b0 [ 126.102160][ T9414] netlink_sendmsg+0x704/0xbf0 [ 126.107705][ T9414] ? netlink_unicast+0x700/0x700 [ 126.112929][ T9414] ? netlink_unicast+0x700/0x700 [ 126.117857][ T9414] sock_sendmsg+0xab/0xe0 [ 126.122322][ T9414] ____sys_sendmsg+0x5bf/0x7a0 [ 126.127269][ T9414] ? kernel_sendmsg+0x30/0x30 [ 126.132248][ T9414] ? do_recvmmsg+0x550/0x550 [ 126.137631][ T9414] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 126.143621][ T9414] ___sys_sendmsg+0xd3/0x150 [ 126.148340][ T9414] ? sendmsg_copy_msghdr+0x110/0x110 [ 126.154248][ T9414] ? find_held_lock+0x2d/0x110 [ 126.159233][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.165395][ T9414] ? lock_release+0x424/0x7e0 [ 126.170197][ T9414] ? __fget_files+0x17c/0x2e0 [ 126.175042][ T9414] ? lock_downgrade+0x7b0/0x7b0 [ 126.180008][ T9414] ? find_held_lock+0x2d/0x110 [ 126.185360][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.191282][ T9414] ? lock_is_held_type+0xfa/0x130 [ 126.196429][ T9414] ? __fget_files+0x194/0x2e0 [ 126.201206][ T9414] ? __fget_light+0xbe/0x220 [ 126.205844][ T9414] __sys_sendmsg+0xb2/0x140 [ 126.210365][ T9414] ? __sys_sendmsg_sock+0x10/0x10 [ 126.216134][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.222107][ T9414] ? syscall_enter_from_user_mode+0x1d/0x60 [ 126.228032][ T9414] ? lockdep_hardirqs_on+0x54/0x100 [ 126.233224][ T9414] do_syscall_64+0x35/0xb0 [ 126.237666][ T9414] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 126.243556][ T9414] RIP: 0033:0x464d29 [ 126.247447][ T9414] 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 [ 126.268092][ T9414] RSP: 002b:00007f5ef758f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 126.276717][ T9414] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 126.284979][ T9414] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 126.293727][ T9414] RBP: 00007f5ef758f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 126.301943][ T9414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 126.310112][ T9414] R13: 00007fffc1352bbf R14: 00007f5ef758f300 R15: 0000000000022000 [ 126.340997][ T9414] ------------[ cut here ]------------ [ 126.346715][ T9414] WARNING: CPU: 0 PID: 9414 at net/core/dev.c:11239 __dev_change_net_namespace+0xe5a/0x1120 [ 126.377858][ T9414] Modules linked in: [ 126.382360][ T9414] CPU: 1 PID: 9414 Comm: syz-executor.4 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 126.393934][ T9414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.404552][ T9414] RIP: 0010:__dev_change_net_namespace+0xe5a/0x1120 [ 126.411491][ T9414] Code: 00 00 48 c7 c6 20 32 9b 88 48 c7 c7 60 32 9b 88 c6 05 9b b8 9d 04 01 e8 38 a6 9f 01 0f 0b e9 71 f2 ff ff 0f 0b e9 1d fc ff ff <0f> 0b e9 fc fb ff ff 41 bd ea ff ff ff e9 17 f4 ff ff e8 0f 45 e5 [ 126.432882][ T9414] RSP: 0018:ffffc9000276eda0 EFLAGS: 00010282 [ 126.441539][ T9414] RAX: 00000000fffffff4 RBX: ffffffff8a30eec0 RCX: 0000000000000001 [ 126.450351][ T9414] RDX: dffffc0000000000 RSI: ffffffff87eb67e0 RDI: ffffffff8833dfa0 [ 126.458592][ T9414] RBP: ffff888117cc6000 R08: 0000000000000001 R09: ffff888117cc6603 [ 126.467634][ T9414] R10: ffffed1022f98cc0 R11: 6637303030302052 R12: ffff888117cc6b78 [ 126.476388][ T9414] R13: ffff888117cc6098 R14: 00000000000000c1 R15: 000000008a30eec0 [ 126.484736][ T9414] FS: 00007f5ef758f700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 [ 126.495054][ T9414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 126.502171][ T9414] CR2: 00007f1494a2b000 CR3: 000000012f927004 CR4: 00000000001706f0 [ 126.510738][ T9414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 126.519471][ T9414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 126.527666][ T9414] Call Trace: [ 126.531433][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.537292][ T9414] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 126.542884][ T9414] ? security_capable+0x4c/0x90 [ 126.547933][ T9414] ? ns_capable+0x4c/0xc0 [ 126.553541][ T9414] do_setlink+0x1d3/0x2cb0 [ 126.558279][ T9414] ? __lock_acquire+0x159d/0x52b0 [ 126.564707][ T9414] ? rtnetlink_put_metrics+0x480/0x480 [ 126.570944][ T9414] ? mark_lock+0xf0/0x15f0 [ 126.575918][ T9414] ? mark_lock+0xf0/0x15f0 [ 126.581431][ T9414] ? __lock_acquire+0xbe2/0x52b0 [ 126.586779][ T9414] ? lock_chain_count+0x20/0x20 [ 126.592556][ T9414] ? memset+0x20/0x40 [ 126.596901][ T9414] ? __nla_validate_parse+0xb2/0x1fd0 [ 126.603139][ T9414] ? lock_chain_count+0x20/0x20 [ 126.608324][ T9414] ? __lock_acquire+0xbe2/0x52b0 [ 126.613912][ T9414] ? nla_get_range_signed+0x540/0x540 [ 126.619992][ T9414] ? __lock_acquire+0xbe2/0x52b0 [ 126.625137][ T9414] __rtnl_newlink+0xaca/0x13b0 [ 126.630948][ T9414] ? lock_is_held_type+0xfa/0x130 [ 126.636227][ T9414] ? rtnl_setlink+0x330/0x330 [ 126.641449][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.647285][ T9414] ? lock_release+0x424/0x7e0 [ 126.652556][ T9414] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 126.658846][ T9414] ? is_bpf_text_address+0x65/0xe0 [ 126.665779][ T9414] ? kernel_text_address+0xbd/0xf0 [ 126.671375][ T9414] ? __kernel_text_address+0x9/0x30 [ 126.676781][ T9414] ? unwind_get_return_address+0x51/0x90 [ 126.682766][ T9414] ? create_prof_cpu_mask+0x20/0x20 [ 126.688283][ T9414] ? arch_stack_walk+0x93/0xe0 [ 126.693321][ T9414] ? stack_trace_save+0x8c/0xc0 [ 126.698366][ T9414] ? stack_trace_consume_entry+0x160/0x160 [ 126.704452][ T9414] ? fs_reclaim_release+0x9c/0xf0 [ 126.709889][ T9414] ? lock_is_held_type+0xfa/0x130 [ 126.715173][ T9414] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 126.721075][ T9414] ? trace_kmalloc+0x32/0xf0 [ 126.725713][ T9414] ? kmem_cache_alloc_trace+0x20b/0x440 [ 126.731401][ T9414] rtnl_newlink+0x5a/0x90 [ 126.735901][ T9414] rtnetlink_rcv_msg+0x31d/0x8d0 [ 126.741770][ T9414] ? __dev_queue_xmit+0x14ef/0x2e20 [ 126.747352][ T9414] ? rtnl_newlink+0x90/0x90 [ 126.752592][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.758978][ T9414] ? netdev_core_pick_tx+0x290/0x290 [ 126.765393][ T9414] ? lock_acquire+0x150/0x5d0 [ 126.772319][ T9414] netlink_rcv_skb+0x118/0x370 [ 126.777817][ T9414] ? rtnl_newlink+0x90/0x90 [ 126.782929][ T9414] ? netlink_ack+0x930/0x930 [ 126.787943][ T9414] ? netlink_deliver_tap+0x130/0x9a0 [ 126.798560][ T9414] netlink_unicast+0x42e/0x700 [ 126.804565][ T9414] ? netlink_attachskb+0x750/0x750 [ 126.810605][ T9414] ? __build_skb_around+0x1f3/0x2b0 [ 126.816074][ T9414] netlink_sendmsg+0x704/0xbf0 [ 126.822345][ T9414] ? netlink_unicast+0x700/0x700 [ 126.827986][ T9414] ? netlink_unicast+0x700/0x700 [ 126.834169][ T9414] sock_sendmsg+0xab/0xe0 [ 126.839231][ T9414] ____sys_sendmsg+0x5bf/0x7a0 [ 126.845227][ T9414] ? kernel_sendmsg+0x30/0x30 [ 126.851853][ T9414] ? do_recvmmsg+0x550/0x550 [ 126.857231][ T9414] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 126.865002][ T9414] ___sys_sendmsg+0xd3/0x150 [ 126.870900][ T9414] ? sendmsg_copy_msghdr+0x110/0x110 [ 126.876700][ T9414] ? find_held_lock+0x2d/0x110 [ 126.883885][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.890228][ T9414] ? lock_release+0x424/0x7e0 [ 126.895260][ T9414] ? __fget_files+0x17c/0x2e0 [ 126.902184][ T9414] ? lock_downgrade+0x7b0/0x7b0 [ 126.907513][ T9414] ? find_held_lock+0x2d/0x110 [ 126.912966][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.919738][ T9414] ? lock_is_held_type+0xfa/0x130 [ 126.925160][ T9414] ? __fget_files+0x194/0x2e0 [ 126.930554][ T9414] ? __fget_light+0xbe/0x220 [ 126.936358][ T9414] __sys_sendmsg+0xb2/0x140 [ 126.941499][ T9414] ? __sys_sendmsg_sock+0x10/0x10 [ 126.947014][ T9414] ? check_preemption_disabled+0x36/0xd0 [ 126.953825][ T9414] ? syscall_enter_from_user_mode+0x1d/0x60 [ 126.961468][ T9414] ? lockdep_hardirqs_on+0x54/0x100 [ 126.967257][ T9414] do_syscall_64+0x35/0xb0 [ 126.972233][ T9414] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 126.978684][ T9414] RIP: 0033:0x464d29 [ 126.983418][ T9414] 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 [ 127.006209][ T9414] RSP: 002b:00007f5ef758f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 127.017922][ T9414] RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 [ 127.026438][ T9414] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 127.035320][ T9414] RBP: 00007f5ef758f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 127.043882][ T9414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 127.052443][ T9414] R13: 00007fffc1352bbf R14: 00007f5ef758f300 R15: 0000000000022000 [ 127.061638][ T9414] irq event stamp: 7903 [ 127.066526][ T9414] hardirqs last enabled at (7911): [] console_unlock+0x72b/0x9c0 [ 127.077130][ T9414] hardirqs last disabled at (7936): [] __schedule+0x116e/0x2170 [ 127.086607][ T9414] softirqs last enabled at (7958): [] irq_exit_rcu+0x229/0x270 [ 127.096196][ T9414] softirqs last disabled at (7971): [] irq_exit_rcu+0x229/0x270 [ 127.106121][ T9414] ---[ end trace 0d4e35b17551332a ]--- [ 127.179829][ T9458] FAULT_INJECTION: forcing a failure. [ 127.179829][ T9458] name failslab, interval 1, probability 0, space 0, times 0 [ 127.195360][ T9458] CPU: 0 PID: 9458 Comm: syz-executor.5 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 127.205649][ T9458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.215695][ T9458] Call Trace: [ 127.219328][ T9458] dump_stack_lvl+0xbd/0xe2 [ 127.223840][ T9458] should_fail.cold+0x5/0xa [ 127.228349][ T9458] ? device_rename+0x63/0x1b0 [ 127.233139][ T9458] should_failslab+0x5/0x10 [ 127.237798][ T9458] __kmalloc_track_caller+0x7c/0x480 [ 127.243257][ T9458] ? kobject_uevent_env+0x21a/0xf30 [ 127.248534][ T9458] kstrdup+0x29/0x50 [ 127.252440][ T9458] device_rename+0x63/0x1b0 [ 127.256952][ T9458] __dev_change_net_namespace+0xa55/0x1120 [ 127.262862][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 127.268523][ T9458] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 127.273931][ T9458] ? security_capable+0x4c/0x90 [ 127.279033][ T9458] ? ns_capable+0x4c/0xc0 [ 127.283429][ T9458] do_setlink+0x1d3/0x2cb0 [ 127.288015][ T9458] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 127.297538][ T9458] ? __kernel_text_address+0x9/0x30 [ 127.302733][ T9458] ? unwind_get_return_address+0x51/0x90 [ 127.308938][ T9458] ? rtnetlink_put_metrics+0x480/0x480 [ 127.314400][ T9458] ? mark_lock+0xf0/0x15f0 [ 127.318820][ T9458] ? mark_lock+0xf0/0x15f0 [ 127.323237][ T9458] ? __lock_acquire+0xbe2/0x52b0 [ 127.328156][ T9458] ? lock_chain_count+0x20/0x20 [ 127.332992][ T9458] ? memset+0x20/0x40 [ 127.336955][ T9458] ? __nla_validate_parse+0xb2/0x1fd0 [ 127.342336][ T9458] ? lock_chain_count+0x20/0x20 [ 127.347176][ T9458] ? __lock_acquire+0xbe2/0x52b0 [ 127.352440][ T9458] ? nla_get_range_signed+0x540/0x540 [ 127.357803][ T9458] ? __lock_acquire+0xbe2/0x52b0 [ 127.362805][ T9458] __rtnl_newlink+0xaca/0x13b0 [ 127.367726][ T9458] ? lock_is_held_type+0xfa/0x130 [ 127.373087][ T9458] ? rtnl_setlink+0x330/0x330 [ 127.378356][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 127.384006][ T9458] ? lock_release+0x424/0x7e0 [ 127.388674][ T9458] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 127.395958][ T9458] ? is_bpf_text_address+0x65/0xe0 [ 127.401387][ T9458] ? kernel_text_address+0xbd/0xf0 [ 127.406614][ T9458] ? __kernel_text_address+0x9/0x30 [ 127.412064][ T9458] ? unwind_get_return_address+0x51/0x90 [ 127.418321][ T9458] ? create_prof_cpu_mask+0x20/0x20 [ 127.424216][ T9458] ? arch_stack_walk+0x93/0xe0 [ 127.429719][ T9458] ? stack_trace_save+0x8c/0xc0 [ 127.435028][ T9458] ? stack_trace_consume_entry+0x160/0x160 [ 127.442082][ T9458] ? fs_reclaim_release+0x9c/0xf0 [ 127.447514][ T9458] ? lock_is_held_type+0xfa/0x130 [ 127.452902][ T9458] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 127.459317][ T9458] ? trace_kmalloc+0x32/0xf0 [ 127.464369][ T9458] ? kmem_cache_alloc_trace+0x20b/0x440 [ 127.470282][ T9458] rtnl_newlink+0x5a/0x90 [ 127.475802][ T9458] rtnetlink_rcv_msg+0x31d/0x8d0 [ 127.481417][ T9458] ? __dev_queue_xmit+0x14ef/0x2e20 [ 127.486929][ T9458] ? rtnl_newlink+0x90/0x90 [ 127.491642][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 127.497357][ T9458] ? netdev_core_pick_tx+0x290/0x290 [ 127.502655][ T9458] ? lock_acquire+0x150/0x5d0 [ 127.507508][ T9458] netlink_rcv_skb+0x118/0x370 [ 127.512262][ T9458] ? rtnl_newlink+0x90/0x90 [ 127.517024][ T9458] ? netlink_ack+0x930/0x930 [ 127.521695][ T9458] ? netlink_deliver_tap+0x130/0x9a0 [ 127.527463][ T9458] netlink_unicast+0x42e/0x700 [ 127.532451][ T9458] ? netlink_attachskb+0x750/0x750 [ 127.537729][ T9458] ? __build_skb_around+0x1f3/0x2b0 [ 127.542966][ T9458] netlink_sendmsg+0x704/0xbf0 [ 127.547733][ T9458] ? netlink_unicast+0x700/0x700 [ 127.552682][ T9458] ? netlink_unicast+0x700/0x700 [ 127.557710][ T9458] sock_sendmsg+0xab/0xe0 [ 127.562386][ T9458] ____sys_sendmsg+0x5bf/0x7a0 [ 127.567141][ T9458] ? kernel_sendmsg+0x30/0x30 [ 127.571819][ T9458] ? do_recvmmsg+0x550/0x550 [ 127.576847][ T9458] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 127.582963][ T9458] ___sys_sendmsg+0xd3/0x150 [ 127.587810][ T9458] ? sendmsg_copy_msghdr+0x110/0x110 [ 127.593233][ T9458] ? find_held_lock+0x2d/0x110 [ 127.598092][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 127.603728][ T9458] ? lock_release+0x424/0x7e0 [ 127.608584][ T9458] ? __fget_files+0x17c/0x2e0 [ 127.613236][ T9458] ? lock_downgrade+0x7b0/0x7b0 [ 127.618149][ T9458] ? find_held_lock+0x2d/0x110 [ 127.622905][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 127.628599][ T9458] ? lock_is_held_type+0xfa/0x130 [ 127.633692][ T9458] ? __fget_files+0x194/0x2e0 [ 127.638359][ T9458] ? __fget_light+0xbe/0x220 [ 127.643044][ T9458] __sys_sendmsg+0xb2/0x140 [ 127.647549][ T9458] ? __sys_sendmsg_sock+0x10/0x10 [ 127.652812][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 127.658440][ T9458] ? syscall_enter_from_user_mode+0x1d/0x60 [ 127.664772][ T9458] ? lockdep_hardirqs_on+0x54/0x100 [ 127.670257][ T9458] do_syscall_64+0x35/0xb0 [ 127.674747][ T9458] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 127.680633][ T9458] RIP: 0033:0x464d29 [ 127.684695][ T9458] 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 [ 127.704689][ T9458] RSP: 002b:00007fec7b1c3188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 127.713281][ T9458] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 127.721501][ T9458] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 127.729741][ T9458] RBP: 00007fec7b1c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 127.737787][ T9458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 127.745914][ T9458] R13: 00007fff5779249f R14: 00007fec7b1c3300 R15: 0000000000022000 [ 127.766946][ T9458] ------------[ cut here ]------------ [ 127.772988][ T9458] WARNING: CPU: 0 PID: 9458 at net/core/dev.c:11239 __dev_change_net_namespace+0xe5a/0x1120 [ 127.785964][ T9458] Modules linked in: [ 127.790212][ T9458] CPU: 0 PID: 9458 Comm: syz-executor.5 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 127.801066][ T9458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.811931][ T9458] RIP: 0010:__dev_change_net_namespace+0xe5a/0x1120 [ 127.818630][ T9458] Code: 00 00 48 c7 c6 20 32 9b 88 48 c7 c7 60 32 9b 88 c6 05 9b b8 9d 04 01 e8 38 a6 9f 01 0f 0b e9 71 f2 ff ff 0f 0b e9 1d fc ff ff <0f> 0b e9 fc fb ff ff 41 bd ea ff ff ff e9 17 f4 ff ff e8 0f 45 e5 [ 127.839881][ T9458] RSP: 0018:ffffc900029beda0 EFLAGS: 00010282 [ 127.846153][ T9458] RAX: 00000000fffffff4 RBX: ffffffff8a30eec0 RCX: 0000000000000001 [ 127.855503][ T9458] RDX: dffffc0000000000 RSI: ffffffff87eb67e0 RDI: ffffffff8833dfa0 [ 127.863976][ T9458] RBP: ffff888113ac6000 R08: 0000000000000001 R09: ffff888113ac6603 [ 127.874155][ T9458] R10: ffffed1022758cc0 R11: 6637303030302052 R12: ffff888113ac6b78 [ 127.882623][ T9458] R13: ffff888113ac6098 R14: 00000000000000c4 R15: 000000008a30eec0 [ 127.891266][ T9458] FS: 00007fec7b1c3700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 [ 127.901133][ T9458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 127.907927][ T9458] CR2: 00007f1494a3e028 CR3: 000000012ef54004 CR4: 00000000001706f0 [ 127.916606][ T9458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 127.925269][ T9458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 127.934023][ T9458] Call Trace: [ 127.937433][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 127.943796][ T9458] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 127.949226][ T9458] ? security_capable+0x4c/0x90 [ 127.954292][ T9458] ? ns_capable+0x4c/0xc0 [ 127.958638][ T9458] do_setlink+0x1d3/0x2cb0 [ 127.963505][ T9458] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 127.969752][ T9458] ? __kernel_text_address+0x9/0x30 [ 127.974963][ T9458] ? unwind_get_return_address+0x51/0x90 [ 127.983374][ T9458] ? rtnetlink_put_metrics+0x480/0x480 [ 127.989933][ T9458] ? mark_lock+0xf0/0x15f0 [ 127.994546][ T9458] ? mark_lock+0xf0/0x15f0 [ 127.998976][ T9458] ? __lock_acquire+0xbe2/0x52b0 [ 128.004315][ T9458] ? lock_chain_count+0x20/0x20 [ 128.009421][ T9458] ? memset+0x20/0x40 [ 128.013590][ T9458] ? __nla_validate_parse+0xb2/0x1fd0 [ 128.019631][ T9458] ? lock_chain_count+0x20/0x20 [ 128.025219][ T9458] ? __lock_acquire+0xbe2/0x52b0 [ 128.031576][ T9458] ? nla_get_range_signed+0x540/0x540 [ 128.037586][ T9458] ? __lock_acquire+0xbe2/0x52b0 [ 128.042641][ T9458] __rtnl_newlink+0xaca/0x13b0 [ 128.047499][ T9458] ? lock_is_held_type+0xfa/0x130 [ 128.052594][ T9458] ? rtnl_setlink+0x330/0x330 [ 128.059302][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 128.066076][ T9458] ? lock_release+0x424/0x7e0 [ 128.072650][ T9458] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 128.081646][ T9458] ? is_bpf_text_address+0x65/0xe0 [ 128.088942][ T9458] ? kernel_text_address+0xbd/0xf0 [ 128.096651][ T9458] ? __kernel_text_address+0x9/0x30 [ 128.103696][ T9458] ? unwind_get_return_address+0x51/0x90 [ 128.110547][ T9458] ? create_prof_cpu_mask+0x20/0x20 [ 128.116047][ T9458] ? arch_stack_walk+0x93/0xe0 [ 128.121181][ T9458] ? stack_trace_save+0x8c/0xc0 [ 128.126461][ T9458] ? stack_trace_consume_entry+0x160/0x160 [ 128.133640][ T9458] ? fs_reclaim_release+0x9c/0xf0 [ 128.138694][ T9458] ? lock_is_held_type+0xfa/0x130 [ 128.144149][ T9458] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 128.150408][ T9458] ? trace_kmalloc+0x32/0xf0 [ 128.155394][ T9458] ? kmem_cache_alloc_trace+0x20b/0x440 [ 128.161961][ T9458] rtnl_newlink+0x5a/0x90 [ 128.166465][ T9458] rtnetlink_rcv_msg+0x31d/0x8d0 [ 128.172455][ T9458] ? __dev_queue_xmit+0x14ef/0x2e20 [ 128.177864][ T9458] ? rtnl_newlink+0x90/0x90 [ 128.183326][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 128.192067][ T9458] ? netdev_core_pick_tx+0x290/0x290 [ 128.197764][ T9458] ? lock_acquire+0x150/0x5d0 [ 128.203312][ T9458] netlink_rcv_skb+0x118/0x370 [ 128.208519][ T9458] ? rtnl_newlink+0x90/0x90 [ 128.213557][ T9458] ? netlink_ack+0x930/0x930 [ 128.218153][ T9458] ? netlink_deliver_tap+0x130/0x9a0 [ 128.224353][ T9458] netlink_unicast+0x42e/0x700 [ 128.229305][ T9458] ? netlink_attachskb+0x750/0x750 [ 128.234989][ T9458] ? __build_skb_around+0x1f3/0x2b0 [ 128.240451][ T9458] netlink_sendmsg+0x704/0xbf0 [ 128.245601][ T9458] ? netlink_unicast+0x700/0x700 [ 128.250849][ T9458] ? netlink_unicast+0x700/0x700 [ 128.255917][ T9458] sock_sendmsg+0xab/0xe0 [ 128.260584][ T9458] ____sys_sendmsg+0x5bf/0x7a0 [ 128.265637][ T9458] ? kernel_sendmsg+0x30/0x30 [ 128.270588][ T9458] ? do_recvmmsg+0x550/0x550 [ 128.275631][ T9458] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 128.282028][ T9458] ___sys_sendmsg+0xd3/0x150 [ 128.286736][ T9458] ? sendmsg_copy_msghdr+0x110/0x110 [ 128.292462][ T9458] ? find_held_lock+0x2d/0x110 [ 128.297362][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 128.303845][ T9458] ? lock_release+0x424/0x7e0 [ 128.308560][ T9458] ? __fget_files+0x17c/0x2e0 [ 128.315747][ T9458] ? lock_downgrade+0x7b0/0x7b0 [ 128.321132][ T9458] ? find_held_lock+0x2d/0x110 [ 128.326172][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 128.332245][ T9458] ? lock_is_held_type+0xfa/0x130 [ 128.337675][ T9458] ? __fget_files+0x194/0x2e0 [ 128.343042][ T9458] ? __fget_light+0xbe/0x220 [ 128.347962][ T9458] __sys_sendmsg+0xb2/0x140 [ 128.352959][ T9458] ? __sys_sendmsg_sock+0x10/0x10 [ 128.358150][ T9458] ? check_preemption_disabled+0x36/0xd0 [ 128.364347][ T9458] ? syscall_enter_from_user_mode+0x1d/0x60 [ 128.371654][ T9458] ? lockdep_hardirqs_on+0x54/0x100 [ 128.377429][ T9458] do_syscall_64+0x35/0xb0 [ 128.382461][ T9458] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 128.388556][ T9458] RIP: 0033:0x464d29 [ 128.393203][ T9458] 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 [ 128.414109][ T9458] RSP: 002b:00007fec7b1c3188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 128.423308][ T9458] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 128.432337][ T9458] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 128.442363][ T9458] RBP: 00007fec7b1c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 128.451376][ T9458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 128.460364][ T9458] R13: 00007fff5779249f R14: 00007fec7b1c3300 R15: 0000000000022000 [ 128.468721][ T9458] irq event stamp: 5671 [ 128.474023][ T9458] hardirqs last enabled at (5699): [] finish_task_switch.isra.0+0x224/0x980 [ 128.485189][ T9458] hardirqs last disabled at (5722): [] __schedule+0x116e/0x2170 [ 128.494983][ T9458] softirqs last enabled at (5746): [] irq_exit_rcu+0x229/0x270 [ 128.504475][ T9458] softirqs last disabled at (5761): [] irq_exit_rcu+0x229/0x270 [ 128.513774][ T9458] ---[ end trace 0d4e35b17551332b ]--- [ 128.540381][ T9462] __nla_validate_parse: 11 callbacks suppressed [ 128.540391][ T9462] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 128.574827][ T9463] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 128.630274][ T9488] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 128.672750][ T9488] sysfs: cannot create duplicate filename '/devices/virtual/net/veth15' [ 128.721754][ T9488] CPU: 1 PID: 9488 Comm: syz-executor.3 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 128.732569][ T9488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.743679][ T9488] Call Trace: [ 128.747077][ T9488] dump_stack_lvl+0xbd/0xe2 [ 128.752368][ T9488] sysfs_warn_dup.cold+0x17/0x24 [ 128.757981][ T9488] sysfs_create_dir_ns+0x1e9/0x260 [ 128.763285][ T9488] ? sysfs_create_mount_point+0x80/0x80 [ 128.768868][ T9488] ? rwlock_bug.part.0+0x90/0x90 [ 128.773825][ T9488] kobject_add_internal+0x274/0x7f0 [ 128.779254][ T9488] kobject_add+0x120/0x190 [ 128.783769][ T9488] ? kset_create_and_add+0x170/0x170 [ 128.789763][ T9488] ? wait_for_completion_io+0x280/0x280 [ 128.795401][ T9488] ? lockdep_init_map_type+0x2c3/0x870 [ 128.800887][ T9488] device_add+0x2cd/0x1cd0 [ 128.805411][ T9488] ? dev_set_name+0xa6/0xd0 [ 128.810465][ T9488] ? device_initialize+0x4e0/0x4e0 [ 128.815697][ T9488] ? lockdep_init_map_type+0x2c3/0x870 [ 128.822867][ T9488] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 128.830242][ T9488] ? __init_waitqueue_head+0x6b/0xd0 [ 128.836173][ T9488] netdev_register_kobject+0x162/0x350 [ 128.842526][ T9488] register_netdevice+0xa77/0x1190 [ 128.847820][ T9488] ? netdev_change_features+0xa0/0xa0 [ 128.853324][ T9488] ? rtnl_create_link+0x87c/0xba0 [ 128.859793][ T9488] veth_newlink+0x37b/0x980 [ 128.864539][ T9488] ? __rtnl_newlink+0xbf1/0x13b0 [ 128.869576][ T9488] ? veth_open+0x170/0x170 [ 128.874183][ T9488] ? netlink_unicast+0x42e/0x700 [ 128.879515][ T9488] ? netlink_sendmsg+0x704/0xbf0 [ 128.885581][ T9488] ? sock_sendmsg+0xab/0xe0 [ 128.890265][ T9488] ? ____sys_sendmsg+0x5bf/0x7a0 [ 128.895770][ T9488] ? ___sys_sendmsg+0xd3/0x150 [ 128.900971][ T9488] ? __sys_sendmsg+0xb2/0x140 [ 128.906099][ T9488] ? do_syscall_64+0x35/0xb0 [ 128.911145][ T9488] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 128.918885][ T9488] ? lock_is_held_type+0xfa/0x130 [ 128.924107][ T9488] ? find_held_lock+0x2d/0x110 [ 128.929140][ T9488] ? check_preemption_disabled+0x36/0xd0 [ 128.935169][ T9488] ? lock_release+0x424/0x7e0 [ 128.940201][ T9488] ? fs_reclaim_release+0x9c/0xf0 [ 128.945508][ T9488] ? mark_held_locks+0x9f/0xe0 [ 128.950274][ T9488] ? lock_is_held_type+0xfa/0x130 [ 128.955338][ T9488] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 128.962439][ T9488] ? kmem_cache_alloc_node_trace+0x420/0x570 [ 128.968441][ T9488] ? memset+0x20/0x40 [ 128.972589][ T9488] ? memcpy+0x39/0x60 [ 128.976839][ T9488] ? alloc_netdev_mqs+0x903/0xda0 [ 128.982133][ T9488] ? security_capable+0x4c/0x90 [ 128.987528][ T9488] ? rtnl_create_link+0x87c/0xba0 [ 128.993909][ T9488] __rtnl_newlink+0xcd7/0x13b0 [ 128.998690][ T9488] ? lock_is_held_type+0xfa/0x130 [ 129.003841][ T9488] ? rtnl_setlink+0x330/0x330 [ 129.008648][ T9488] ? check_preemption_disabled+0x36/0xd0 [ 129.014286][ T9488] ? lock_release+0x424/0x7e0 [ 129.018958][ T9488] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 129.025362][ T9488] ? is_bpf_text_address+0x65/0xe0 [ 129.030608][ T9488] ? kernel_text_address+0xbd/0xf0 [ 129.035808][ T9488] ? __kernel_text_address+0x9/0x30 [ 129.041297][ T9488] ? unwind_get_return_address+0x51/0x90 [ 129.047343][ T9488] ? create_prof_cpu_mask+0x20/0x20 [ 129.052544][ T9488] ? arch_stack_walk+0x93/0xe0 [ 129.057807][ T9488] ? stack_trace_save+0x8c/0xc0 [ 129.062682][ T9488] ? stack_trace_consume_entry+0x160/0x160 [ 129.068613][ T9488] ? fs_reclaim_release+0x9c/0xf0 [ 129.073739][ T9488] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 129.079279][ T9488] ? trace_kmalloc+0x32/0xf0 [ 129.083882][ T9488] ? kmem_cache_alloc_trace+0x20b/0x440 [ 129.089417][ T9488] rtnl_newlink+0x5a/0x90 [ 129.093835][ T9488] rtnetlink_rcv_msg+0x31d/0x8d0 [ 129.098966][ T9488] ? __dev_queue_xmit+0x14ef/0x2e20 [ 129.104332][ T9488] ? rtnl_newlink+0x90/0x90 [ 129.108840][ T9488] ? check_preemption_disabled+0x36/0xd0 [ 129.114482][ T9488] ? netdev_core_pick_tx+0x290/0x290 [ 129.119883][ T9488] ? lock_acquire+0x150/0x5d0 [ 129.124661][ T9488] netlink_rcv_skb+0x118/0x370 [ 129.129766][ T9488] ? rtnl_newlink+0x90/0x90 [ 129.134551][ T9488] ? netlink_ack+0x930/0x930 [ 129.139917][ T9488] ? netlink_deliver_tap+0x130/0x9a0 [ 129.145841][ T9488] netlink_unicast+0x42e/0x700 [ 129.151532][ T9488] ? netlink_attachskb+0x750/0x750 [ 129.156673][ T9488] ? __build_skb_around+0x1f3/0x2b0 [ 129.162239][ T9488] netlink_sendmsg+0x704/0xbf0 [ 129.167147][ T9488] ? netlink_unicast+0x700/0x700 [ 129.172481][ T9488] ? netlink_unicast+0x700/0x700 [ 129.177620][ T9488] sock_sendmsg+0xab/0xe0 [ 129.181975][ T9488] ____sys_sendmsg+0x5bf/0x7a0 [ 129.186996][ T9488] ? kernel_sendmsg+0x30/0x30 [ 129.191749][ T9488] ? do_recvmmsg+0x550/0x550 [ 129.196673][ T9488] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 129.202757][ T9488] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 129.208726][ T9488] ___sys_sendmsg+0xd3/0x150 [ 129.213306][ T9488] ? sendmsg_copy_msghdr+0x110/0x110 [ 129.218668][ T9488] ? find_held_lock+0x2d/0x110 [ 129.224151][ T9488] ? check_preemption_disabled+0x36/0xd0 [ 129.229796][ T9488] ? lock_release+0x424/0x7e0 [ 129.234465][ T9488] ? __fget_files+0x17c/0x2e0 [ 129.240012][ T9488] ? lock_downgrade+0x7b0/0x7b0 [ 129.245103][ T9488] ? lock_downgrade+0x7b0/0x7b0 [ 129.250132][ T9488] ? futex_exit_release+0x200/0x200 [ 129.255338][ T9488] ? check_preemption_disabled+0x36/0xd0 [ 129.262002][ T9488] ? lock_is_held_type+0xfa/0x130 [ 129.267987][ T9488] ? __fget_files+0x194/0x2e0 [ 129.272996][ T9488] ? __fget_light+0xbe/0x220 [ 129.279248][ T9488] __sys_sendmsg+0xb2/0x140 [ 129.284183][ T9488] ? __sys_sendmsg_sock+0x10/0x10 [ 129.289699][ T9488] ? __do_sys_futex+0xa9/0x2d0 [ 129.294699][ T9488] ? check_preemption_disabled+0x36/0xd0 [ 129.301301][ T9488] ? syscall_enter_from_user_mode+0x1d/0x60 [ 129.307615][ T9488] ? lockdep_hardirqs_on+0x54/0x100 [ 129.313164][ T9488] do_syscall_64+0x35/0xb0 [ 129.317926][ T9488] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 129.324628][ T9488] RIP: 0033:0x464d29 [ 129.329690][ T9488] 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 [ 129.350911][ T9488] RSP: 002b:00007f5758fbb188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 129.360140][ T9488] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 129.369308][ T9488] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 129.379206][ T9488] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 129.387707][ T9488] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfa0 [ 129.396201][ T9488] R13: 00007ffdede04d9f R14: 00007f5758fbb300 R15: 0000000000022000 [ 129.443871][ T9488] kobject_add_internal failed for veth15 with -EEXIST, don't try to register things with the same name in the same directory. [ 129.471213][ T9505] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 129.490393][ T9505] sysfs: cannot create duplicate filename '/devices/virtual/net/veth14' [ 129.519431][ T9505] CPU: 1 PID: 9505 Comm: syz-executor.4 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 129.529705][ T9505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.543232][ T9505] Call Trace: [ 129.546529][ T9505] dump_stack_lvl+0xbd/0xe2 [ 129.551141][ T9505] sysfs_warn_dup.cold+0x17/0x24 [ 129.556099][ T9505] sysfs_create_dir_ns+0x1e9/0x260 [ 129.561307][ T9505] ? sysfs_create_mount_point+0x80/0x80 [ 129.566949][ T9505] ? rwlock_bug.part.0+0x90/0x90 [ 129.571908][ T9505] kobject_add_internal+0x274/0x7f0 [ 129.577206][ T9505] kobject_add+0x120/0x190 [ 129.581629][ T9505] ? kset_create_and_add+0x170/0x170 [ 129.586913][ T9505] ? wait_for_completion_io+0x280/0x280 [ 129.592457][ T9505] ? lockdep_init_map_type+0x2c3/0x870 [ 129.597927][ T9505] device_add+0x2cd/0x1cd0 [ 129.602433][ T9505] ? dev_set_name+0xa6/0xd0 [ 129.607032][ T9505] ? device_initialize+0x4e0/0x4e0 [ 129.612138][ T9505] ? lockdep_init_map_type+0x2c3/0x870 [ 129.617685][ T9505] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 129.624016][ T9505] ? __init_waitqueue_head+0x6b/0xd0 [ 129.629305][ T9505] netdev_register_kobject+0x162/0x350 [ 129.634764][ T9505] register_netdevice+0xa77/0x1190 [ 129.639896][ T9505] ? netdev_change_features+0xa0/0xa0 [ 129.645275][ T9505] ? rtnl_create_link+0x87c/0xba0 [ 129.650339][ T9505] veth_newlink+0x37b/0x980 [ 129.654858][ T9505] ? __rtnl_newlink+0xbf1/0x13b0 [ 129.659819][ T9505] ? veth_open+0x170/0x170 [ 129.664417][ T9505] ? netlink_unicast+0x42e/0x700 [ 129.669345][ T9505] ? netlink_sendmsg+0x704/0xbf0 [ 129.674286][ T9505] ? sock_sendmsg+0xab/0xe0 [ 129.678782][ T9505] ? ____sys_sendmsg+0x5bf/0x7a0 [ 129.683727][ T9505] ? ___sys_sendmsg+0xd3/0x150 [ 129.688664][ T9505] ? __sys_sendmsg+0xb2/0x140 [ 129.693340][ T9505] ? do_syscall_64+0x35/0xb0 [ 129.698034][ T9505] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 129.704104][ T9505] ? lock_is_held_type+0xfa/0x130 [ 129.709315][ T9505] ? find_held_lock+0x2d/0x110 [ 129.714072][ T9505] ? check_preemption_disabled+0x36/0xd0 [ 129.719894][ T9505] ? lock_release+0x424/0x7e0 [ 129.724652][ T9505] ? fs_reclaim_release+0x9c/0xf0 [ 129.729674][ T9505] ? mark_held_locks+0x9f/0xe0 [ 129.734459][ T9505] ? lock_is_held_type+0xfa/0x130 [ 129.739497][ T9505] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 129.745150][ T9505] ? kmem_cache_alloc_node_trace+0x420/0x570 [ 129.751391][ T9505] ? memset+0x20/0x40 [ 129.755376][ T9505] ? memcpy+0x39/0x60 [ 129.759356][ T9505] ? alloc_netdev_mqs+0x903/0xda0 [ 129.764391][ T9505] ? security_capable+0x4c/0x90 [ 129.769243][ T9505] ? rtnl_create_link+0x87c/0xba0 [ 129.774275][ T9505] __rtnl_newlink+0xcd7/0x13b0 [ 129.779050][ T9505] ? lock_is_held_type+0xfa/0x130 [ 129.784179][ T9505] ? rtnl_setlink+0x330/0x330 [ 129.788976][ T9505] ? check_preemption_disabled+0x36/0xd0 [ 129.794592][ T9505] ? lock_release+0x424/0x7e0 [ 129.799475][ T9505] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 129.805542][ T9505] ? is_bpf_text_address+0x65/0xe0 [ 129.810956][ T9505] ? kernel_text_address+0xbd/0xf0 [ 129.816347][ T9505] ? __kernel_text_address+0x9/0x30 [ 129.821663][ T9505] ? unwind_get_return_address+0x51/0x90 [ 129.827473][ T9505] ? create_prof_cpu_mask+0x20/0x20 [ 129.832663][ T9505] ? arch_stack_walk+0x93/0xe0 [ 129.837442][ T9505] ? stack_trace_save+0x8c/0xc0 [ 129.842291][ T9505] ? stack_trace_consume_entry+0x160/0x160 [ 129.848418][ T9505] ? fs_reclaim_release+0x9c/0xf0 [ 129.853455][ T9505] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 129.859134][ T9505] ? trace_kmalloc+0x32/0xf0 [ 129.863719][ T9505] ? kmem_cache_alloc_trace+0x20b/0x440 [ 129.869364][ T9505] rtnl_newlink+0x5a/0x90 [ 129.873860][ T9505] rtnetlink_rcv_msg+0x31d/0x8d0 [ 129.878787][ T9505] ? __dev_queue_xmit+0x14ef/0x2e20 [ 129.884158][ T9505] ? rtnl_newlink+0x90/0x90 [ 129.888767][ T9505] ? check_preemption_disabled+0x36/0xd0 [ 129.894823][ T9505] ? netdev_core_pick_tx+0x290/0x290 [ 129.900197][ T9505] ? lock_acquire+0x150/0x5d0 [ 129.904877][ T9505] netlink_rcv_skb+0x118/0x370 [ 129.909739][ T9505] ? rtnl_newlink+0x90/0x90 [ 129.914428][ T9505] ? netlink_ack+0x930/0x930 [ 129.919094][ T9505] ? netlink_deliver_tap+0x130/0x9a0 [ 129.924381][ T9505] netlink_unicast+0x42e/0x700 [ 129.929159][ T9505] ? netlink_attachskb+0x750/0x750 [ 129.934258][ T9505] ? __build_skb_around+0x1f3/0x2b0 [ 129.940342][ T9505] netlink_sendmsg+0x704/0xbf0 [ 129.945316][ T9505] ? netlink_unicast+0x700/0x700 [ 129.950619][ T9505] ? netlink_unicast+0x700/0x700 [ 129.955682][ T9505] sock_sendmsg+0xab/0xe0 [ 129.960006][ T9505] ____sys_sendmsg+0x5bf/0x7a0 [ 129.964763][ T9505] ? kernel_sendmsg+0x30/0x30 [ 129.969521][ T9505] ? do_recvmmsg+0x550/0x550 [ 129.974129][ T9505] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 129.980267][ T9505] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 129.986334][ T9505] ___sys_sendmsg+0xd3/0x150 [ 129.991399][ T9505] ? sendmsg_copy_msghdr+0x110/0x110 [ 129.996943][ T9505] ? find_held_lock+0x2d/0x110 [ 130.001879][ T9505] ? check_preemption_disabled+0x36/0xd0 [ 130.007713][ T9505] ? lock_release+0x424/0x7e0 [ 130.012599][ T9505] ? __fget_files+0x17c/0x2e0 [ 130.017450][ T9505] ? lock_downgrade+0x7b0/0x7b0 [ 130.022287][ T9505] ? lock_downgrade+0x7b0/0x7b0 [ 130.027135][ T9505] ? futex_exit_release+0x200/0x200 [ 130.032421][ T9505] ? check_preemption_disabled+0x36/0xd0 [ 130.038035][ T9505] ? lock_is_held_type+0xfa/0x130 [ 130.043219][ T9505] ? __fget_files+0x194/0x2e0 [ 130.047900][ T9505] ? __fget_light+0xbe/0x220 [ 130.052483][ T9505] __sys_sendmsg+0xb2/0x140 [ 130.059830][ T9505] ? __sys_sendmsg_sock+0x10/0x10 [ 130.065849][ T9505] ? __do_sys_futex+0xa9/0x2d0 [ 130.071974][ T9505] ? check_preemption_disabled+0x36/0xd0 [ 130.077730][ T9505] ? syscall_enter_from_user_mode+0x1d/0x60 [ 130.083837][ T9505] ? lockdep_hardirqs_on+0x54/0x100 [ 130.089049][ T9505] do_syscall_64+0x35/0xb0 [ 130.093754][ T9505] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.099649][ T9505] RIP: 0033:0x464d29 [ 130.103573][ T9505] 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 [ 130.123435][ T9505] RSP: 002b:00007f5ef756e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 130.131844][ T9505] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 130.143197][ T9505] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 130.151186][ T9505] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 130.159140][ T9505] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfa0 [ 130.167096][ T9505] R13: 00007fffc1352bbf R14: 00007f5ef756e300 R15: 0000000000022000 [ 130.181731][ T9505] kobject_add_internal failed for veth14 with -EEXIST, don't try to register things with the same name in the same directory. [ 130.199629][ T9510] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 130.270023][ T9531] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 130.409989][ T9536] FAULT_INJECTION: forcing a failure. [ 130.409989][ T9536] name failslab, interval 1, probability 0, space 0, times 0 [ 130.451618][ T9536] CPU: 0 PID: 9536 Comm: syz-executor.0 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 130.461799][ T9536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.472042][ T9536] Call Trace: [ 130.475323][ T9536] dump_stack_lvl+0xbd/0xe2 [ 130.479930][ T9536] should_fail.cold+0x5/0xa [ 130.484435][ T9536] ? device_rename+0x63/0x1b0 [ 130.489119][ T9536] should_failslab+0x5/0x10 [ 130.493627][ T9536] __kmalloc_track_caller+0x7c/0x480 [ 130.499000][ T9536] ? kobject_uevent_env+0x21a/0xf30 [ 130.504313][ T9536] kstrdup+0x29/0x50 [ 130.508239][ T9536] device_rename+0x63/0x1b0 [ 130.512836][ T9536] __dev_change_net_namespace+0xa55/0x1120 [ 130.518745][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 130.524479][ T9536] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 130.529689][ T9536] ? security_capable+0x4c/0x90 [ 130.534546][ T9536] ? ns_capable+0x4c/0xc0 [ 130.538884][ T9536] do_setlink+0x1d3/0x2cb0 [ 130.543483][ T9536] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 130.549466][ T9536] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 130.555448][ T9536] ? orc_sort_cmp+0xd0/0x140 [ 130.560130][ T9536] ? rtnetlink_put_metrics+0x480/0x480 [ 130.565834][ T9536] ? mark_lock+0xf0/0x15f0 [ 130.570431][ T9536] ? mark_lock+0xf0/0x15f0 [ 130.574890][ T9536] ? __lock_acquire+0xbe2/0x52b0 [ 130.579834][ T9536] ? lock_chain_count+0x20/0x20 [ 130.584693][ T9536] ? memset+0x20/0x40 [ 130.588668][ T9536] ? __nla_validate_parse+0xb2/0x1fd0 [ 130.594021][ T9536] ? lock_chain_count+0x20/0x20 [ 130.598948][ T9536] ? __lock_acquire+0xbe2/0x52b0 [ 130.603936][ T9536] ? nla_get_range_signed+0x540/0x540 [ 130.609564][ T9536] ? __lock_acquire+0xbe2/0x52b0 [ 130.614865][ T9536] __rtnl_newlink+0xaca/0x13b0 [ 130.619672][ T9536] ? lock_is_held_type+0xfa/0x130 [ 130.624890][ T9536] ? rtnl_setlink+0x330/0x330 [ 130.629553][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 130.635270][ T9536] ? lock_release+0x424/0x7e0 [ 130.640197][ T9536] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.646342][ T9536] ? is_bpf_text_address+0x65/0xe0 [ 130.652042][ T9536] ? kernel_text_address+0xbd/0xf0 [ 130.657328][ T9536] ? __kernel_text_address+0x9/0x30 [ 130.662515][ T9536] ? unwind_get_return_address+0x51/0x90 [ 130.668140][ T9536] ? create_prof_cpu_mask+0x20/0x20 [ 130.673358][ T9536] ? arch_stack_walk+0x93/0xe0 [ 130.678120][ T9536] ? stack_trace_save+0x8c/0xc0 [ 130.682952][ T9536] ? stack_trace_consume_entry+0x160/0x160 [ 130.688793][ T9536] ? fs_reclaim_release+0x9c/0xf0 [ 130.693836][ T9536] ? lock_is_held_type+0xfa/0x130 [ 130.698851][ T9536] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 130.704547][ T9536] ? trace_kmalloc+0x32/0xf0 [ 130.709119][ T9536] ? kmem_cache_alloc_trace+0x20b/0x440 [ 130.714750][ T9536] rtnl_newlink+0x5a/0x90 [ 130.719074][ T9536] rtnetlink_rcv_msg+0x31d/0x8d0 [ 130.724125][ T9536] ? __dev_queue_xmit+0x14ef/0x2e20 [ 130.729698][ T9536] ? rtnl_newlink+0x90/0x90 [ 130.734392][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 130.740282][ T9536] ? netdev_core_pick_tx+0x290/0x290 [ 130.745653][ T9536] ? lock_acquire+0x150/0x5d0 [ 130.750341][ T9536] netlink_rcv_skb+0x118/0x370 [ 130.755175][ T9536] ? rtnl_newlink+0x90/0x90 [ 130.759728][ T9536] ? netlink_ack+0x930/0x930 [ 130.764303][ T9536] ? netlink_deliver_tap+0x130/0x9a0 [ 130.770011][ T9536] netlink_unicast+0x42e/0x700 [ 130.774764][ T9536] ? netlink_attachskb+0x750/0x750 [ 130.780030][ T9536] ? __build_skb_around+0x1f3/0x2b0 [ 130.785309][ T9536] netlink_sendmsg+0x704/0xbf0 [ 130.791115][ T9536] ? netlink_unicast+0x700/0x700 [ 130.796525][ T9536] ? netlink_unicast+0x700/0x700 [ 130.801579][ T9536] sock_sendmsg+0xab/0xe0 [ 130.805981][ T9536] ____sys_sendmsg+0x5bf/0x7a0 [ 130.810736][ T9536] ? kernel_sendmsg+0x30/0x30 [ 130.815460][ T9536] ? do_recvmmsg+0x550/0x550 [ 130.820248][ T9536] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 130.826390][ T9536] ___sys_sendmsg+0xd3/0x150 [ 130.831420][ T9536] ? sendmsg_copy_msghdr+0x110/0x110 [ 130.837006][ T9536] ? find_held_lock+0x2d/0x110 [ 130.842378][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 130.848559][ T9536] ? lock_release+0x424/0x7e0 [ 130.853239][ T9536] ? __fget_files+0x17c/0x2e0 [ 130.858176][ T9536] ? lock_downgrade+0x7b0/0x7b0 [ 130.863123][ T9536] ? find_held_lock+0x2d/0x110 [ 130.867878][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 130.873583][ T9536] ? lock_is_held_type+0xfa/0x130 [ 130.878768][ T9536] ? __fget_files+0x194/0x2e0 [ 130.883529][ T9536] ? __fget_light+0xbe/0x220 [ 130.888107][ T9536] __sys_sendmsg+0xb2/0x140 [ 130.892866][ T9536] ? __sys_sendmsg_sock+0x10/0x10 [ 130.898244][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 130.903856][ T9536] ? syscall_enter_from_user_mode+0x1d/0x60 [ 130.909725][ T9536] ? lockdep_hardirqs_on+0x54/0x100 [ 130.915003][ T9536] do_syscall_64+0x35/0xb0 [ 130.919407][ T9536] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 130.925367][ T9536] RIP: 0033:0x464d29 [ 130.929453][ T9536] 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 [ 130.949409][ T9536] RSP: 002b:00007f8c55db8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 130.958033][ T9536] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 130.966839][ T9536] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 130.975592][ T9536] RBP: 00007f8c55db81d0 R08: 0000000000000000 R09: 0000000000000000 [ 130.984135][ T9536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 130.992818][ T9536] R13: 00007fff66a9b3bf R14: 00007f8c55db8300 R15: 0000000000022000 [ 131.019652][ T9536] ------------[ cut here ]------------ [ 131.025162][ T9536] WARNING: CPU: 0 PID: 9536 at net/core/dev.c:11239 __dev_change_net_namespace+0xe5a/0x1120 [ 131.036520][ T9536] Modules linked in: [ 131.040645][ T9536] CPU: 0 PID: 9536 Comm: syz-executor.0 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 131.051389][ T9536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.064878][ T9536] RIP: 0010:__dev_change_net_namespace+0xe5a/0x1120 [ 131.079379][ T9536] Code: 00 00 48 c7 c6 20 32 9b 88 48 c7 c7 60 32 9b 88 c6 05 9b b8 9d 04 01 e8 38 a6 9f 01 0f 0b e9 71 f2 ff ff 0f 0b e9 1d fc ff ff <0f> 0b e9 fc fb ff ff 41 bd ea ff ff ff e9 17 f4 ff ff e8 0f 45 e5 [ 131.099703][ T9536] RSP: 0018:ffffc90002b7eda0 EFLAGS: 00010282 [ 131.105909][ T9536] RAX: 00000000fffffff4 RBX: ffffffff8a30eec0 RCX: 0000000000000001 [ 131.114348][ T9536] RDX: dffffc0000000000 RSI: ffffffff87eb67e0 RDI: ffffffff8833dfa0 [ 131.123588][ T9536] RBP: ffff88811950c000 R08: 0000000000000001 R09: ffff88811950c603 [ 131.132081][ T9536] R10: ffffed10232a18c0 R11: 6637303030302052 R12: ffff88811950cb78 [ 131.140360][ T9536] R13: ffff88811950c098 R14: 00000000000000c7 R15: 000000008a30eec0 [ 131.148706][ T9536] FS: 00007f8c55db8700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 [ 131.158241][ T9536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.165524][ T9536] CR2: 00007f1494af0000 CR3: 000000012ee66002 CR4: 00000000001706f0 [ 131.174376][ T9536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.182886][ T9536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.191850][ T9536] Call Trace: [ 131.195537][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 131.201600][ T9536] ? dev_queue_xmit_nit+0x9e0/0x9e0 [ 131.207724][ T9536] ? security_capable+0x4c/0x90 [ 131.213313][ T9536] ? ns_capable+0x4c/0xc0 [ 131.217897][ T9536] do_setlink+0x1d3/0x2cb0 [ 131.222679][ T9536] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 131.229145][ T9536] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 131.236007][ T9536] ? orc_sort_cmp+0xd0/0x140 [ 131.244063][ T9536] ? rtnetlink_put_metrics+0x480/0x480 [ 131.249732][ T9536] ? mark_lock+0xf0/0x15f0 [ 131.254513][ T9536] ? mark_lock+0xf0/0x15f0 [ 131.259267][ T9536] ? __lock_acquire+0xbe2/0x52b0 [ 131.265444][ T9536] ? lock_chain_count+0x20/0x20 [ 131.272714][ T9536] ? memset+0x20/0x40 [ 131.277075][ T9536] ? __nla_validate_parse+0xb2/0x1fd0 [ 131.283884][ T9536] ? lock_chain_count+0x20/0x20 [ 131.289010][ T9536] ? __lock_acquire+0xbe2/0x52b0 [ 131.294659][ T9536] ? nla_get_range_signed+0x540/0x540 [ 131.300897][ T9536] ? __lock_acquire+0xbe2/0x52b0 [ 131.305922][ T9536] __rtnl_newlink+0xaca/0x13b0 [ 131.313361][ T9536] ? lock_is_held_type+0xfa/0x130 [ 131.318774][ T9536] ? rtnl_setlink+0x330/0x330 [ 131.323943][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 131.330046][ T9536] ? lock_release+0x424/0x7e0 [ 131.335170][ T9536] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 131.341751][ T9536] ? is_bpf_text_address+0x65/0xe0 [ 131.346879][ T9536] ? kernel_text_address+0xbd/0xf0 [ 131.353701][ T9536] ? __kernel_text_address+0x9/0x30 [ 131.361523][ T9536] ? unwind_get_return_address+0x51/0x90 [ 131.367293][ T9536] ? create_prof_cpu_mask+0x20/0x20 [ 131.375248][ T9536] ? arch_stack_walk+0x93/0xe0 [ 131.380507][ T9536] ? stack_trace_save+0x8c/0xc0 [ 131.385580][ T9536] ? stack_trace_consume_entry+0x160/0x160 [ 131.392707][ T9536] ? fs_reclaim_release+0x9c/0xf0 [ 131.398159][ T9536] ? lock_is_held_type+0xfa/0x130 [ 131.403763][ T9536] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 131.410395][ T9536] ? trace_kmalloc+0x32/0xf0 [ 131.415410][ T9536] ? kmem_cache_alloc_trace+0x20b/0x440 [ 131.421287][ T9536] rtnl_newlink+0x5a/0x90 [ 131.425631][ T9536] rtnetlink_rcv_msg+0x31d/0x8d0 [ 131.432424][ T9536] ? __dev_queue_xmit+0x14ef/0x2e20 [ 131.438146][ T9536] ? rtnl_newlink+0x90/0x90 [ 131.438164][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 131.438176][ T9536] ? netdev_core_pick_tx+0x290/0x290 [ 131.438184][ T9536] ? lock_acquire+0x150/0x5d0 [ 131.438207][ T9536] netlink_rcv_skb+0x118/0x370 [ 131.438217][ T9536] ? rtnl_newlink+0x90/0x90 [ 131.438228][ T9536] ? netlink_ack+0x930/0x930 [ 131.438234][ T9536] ? netlink_deliver_tap+0x130/0x9a0 [ 131.438255][ T9536] netlink_unicast+0x42e/0x700 [ 131.486236][ T9536] ? netlink_attachskb+0x750/0x750 [ 131.497095][ T9536] ? __build_skb_around+0x1f3/0x2b0 [ 131.503180][ T9536] netlink_sendmsg+0x704/0xbf0 [ 131.508106][ T9536] ? netlink_unicast+0x700/0x700 [ 131.514140][ T9536] ? netlink_unicast+0x700/0x700 [ 131.520616][ T9536] sock_sendmsg+0xab/0xe0 [ 131.525362][ T9536] ____sys_sendmsg+0x5bf/0x7a0 [ 131.530902][ T9536] ? kernel_sendmsg+0x30/0x30 [ 131.535754][ T9536] ? do_recvmmsg+0x550/0x550 [ 131.541062][ T9536] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 131.547349][ T9536] ___sys_sendmsg+0xd3/0x150 [ 131.552398][ T9536] ? sendmsg_copy_msghdr+0x110/0x110 [ 131.558026][ T9536] ? find_held_lock+0x2d/0x110 [ 131.563160][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 131.569264][ T9536] ? lock_release+0x424/0x7e0 [ 131.574447][ T9536] ? __fget_files+0x17c/0x2e0 [ 131.579278][ T9536] ? lock_downgrade+0x7b0/0x7b0 [ 131.584477][ T9536] ? find_held_lock+0x2d/0x110 [ 131.591420][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 131.597447][ T9536] ? lock_is_held_type+0xfa/0x130 [ 131.604809][ T9536] ? __fget_files+0x194/0x2e0 [ 131.610693][ T9536] ? __fget_light+0xbe/0x220 [ 131.615440][ T9536] __sys_sendmsg+0xb2/0x140 [ 131.621495][ T9536] ? __sys_sendmsg_sock+0x10/0x10 [ 131.626894][ T9536] ? check_preemption_disabled+0x36/0xd0 [ 131.633419][ T9536] ? syscall_enter_from_user_mode+0x1d/0x60 [ 131.641733][ T9536] ? lockdep_hardirqs_on+0x54/0x100 [ 131.647157][ T9536] do_syscall_64+0x35/0xb0 [ 131.652941][ T9536] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 131.658949][ T9536] RIP: 0033:0x464d29 [ 131.664017][ T9536] 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 [ 131.685274][ T9536] RSP: 002b:00007f8c55db8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.694969][ T9536] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 131.704096][ T9536] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 131.713158][ T9536] RBP: 00007f8c55db81d0 R08: 0000000000000000 R09: 0000000000000000 [ 131.722797][ T9536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 131.730977][ T9536] R13: 00007fff66a9b3bf R14: 00007f8c55db8300 R15: 0000000000022000 [ 131.739301][ T9536] irq event stamp: 5605 [ 131.744487][ T9536] hardirqs last enabled at (5635): [] finish_task_switch.isra.0+0x224/0x980 [ 131.755228][ T9536] hardirqs last disabled at (5724): [] __schedule+0x116e/0x2170 [ 131.765223][ T9536] softirqs last enabled at (5752): [] irq_exit_rcu+0x229/0x270 2021/07/12 15:33:19 executed programs: 171 [ 131.775160][ T9536] softirqs last disabled at (5765): [] irq_exit_rcu+0x229/0x270 [ 131.785038][ T9536] ---[ end trace 0d4e35b17551332c ]--- [ 131.801766][ T9533] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 131.813820][ T9533] sysfs: cannot create duplicate filename '/devices/virtual/net/veth16' [ 131.834817][ T9533] CPU: 1 PID: 9533 Comm: syz-executor.5 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 131.844942][ T9533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.855442][ T9533] Call Trace: [ 131.858741][ T9533] dump_stack_lvl+0xbd/0xe2 [ 131.863631][ T9533] sysfs_warn_dup.cold+0x17/0x24 [ 131.868795][ T9533] sysfs_create_dir_ns+0x1e9/0x260 [ 131.873925][ T9533] ? sysfs_create_mount_point+0x80/0x80 [ 131.879600][ T9533] ? rwlock_bug.part.0+0x90/0x90 [ 131.884649][ T9533] kobject_add_internal+0x274/0x7f0 [ 131.889941][ T9533] kobject_add+0x120/0x190 [ 131.894655][ T9533] ? kset_create_and_add+0x170/0x170 [ 131.900068][ T9533] ? wait_for_completion_io+0x280/0x280 [ 131.905629][ T9533] ? lockdep_init_map_type+0x2c3/0x870 [ 131.911336][ T9533] device_add+0x2cd/0x1cd0 [ 131.915836][ T9533] ? dev_set_name+0xa6/0xd0 [ 131.920518][ T9533] ? device_initialize+0x4e0/0x4e0 [ 131.925811][ T9533] ? lockdep_init_map_type+0x2c3/0x870 [ 131.931479][ T9533] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 131.937815][ T9533] ? __init_waitqueue_head+0x6b/0xd0 [ 131.943277][ T9533] netdev_register_kobject+0x162/0x350 [ 131.948826][ T9533] register_netdevice+0xa77/0x1190 [ 131.954107][ T9533] ? netdev_change_features+0xa0/0xa0 [ 131.959674][ T9533] ? rtnl_create_link+0x87c/0xba0 [ 131.964712][ T9533] veth_newlink+0x37b/0x980 [ 131.969216][ T9533] ? __rtnl_newlink+0xbf1/0x13b0 [ 131.974260][ T9533] ? veth_open+0x170/0x170 [ 131.978663][ T9533] ? netlink_unicast+0x42e/0x700 [ 131.983589][ T9533] ? netlink_sendmsg+0x704/0xbf0 [ 131.988533][ T9533] ? sock_sendmsg+0xab/0xe0 [ 131.993029][ T9533] ? ____sys_sendmsg+0x5bf/0x7a0 [ 131.997961][ T9533] ? ___sys_sendmsg+0xd3/0x150 [ 132.002714][ T9533] ? __sys_sendmsg+0xb2/0x140 [ 132.007409][ T9533] ? do_syscall_64+0x35/0xb0 [ 132.011989][ T9533] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.018355][ T9533] ? lock_is_held_type+0xfa/0x130 [ 132.023686][ T9533] ? find_held_lock+0x2d/0x110 [ 132.028448][ T9533] ? check_preemption_disabled+0x36/0xd0 [ 132.034404][ T9533] ? lock_release+0x424/0x7e0 [ 132.039157][ T9533] ? fs_reclaim_release+0x9c/0xf0 [ 132.044183][ T9533] ? mark_held_locks+0x9f/0xe0 [ 132.049249][ T9533] ? lock_is_held_type+0xfa/0x130 [ 132.054523][ T9533] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 132.061860][ T9533] ? kmem_cache_alloc_node_trace+0x420/0x570 [ 132.068918][ T9533] ? memset+0x20/0x40 [ 132.072915][ T9533] ? memcpy+0x39/0x60 [ 132.077016][ T9533] ? alloc_netdev_mqs+0x903/0xda0 [ 132.082033][ T9533] ? security_capable+0x4c/0x90 [ 132.087193][ T9533] ? rtnl_create_link+0x87c/0xba0 [ 132.092601][ T9533] __rtnl_newlink+0xcd7/0x13b0 [ 132.098609][ T9533] ? lock_is_held_type+0xfa/0x130 [ 132.103808][ T9533] ? rtnl_setlink+0x330/0x330 [ 132.109013][ T9533] ? check_preemption_disabled+0x36/0xd0 [ 132.116021][ T9533] ? lock_release+0x424/0x7e0 [ 132.121358][ T9533] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.127707][ T9533] ? is_bpf_text_address+0x65/0xe0 [ 132.133429][ T9533] ? kernel_text_address+0xbd/0xf0 [ 132.139104][ T9533] ? __kernel_text_address+0x9/0x30 [ 132.144303][ T9533] ? unwind_get_return_address+0x51/0x90 [ 132.150392][ T9533] ? create_prof_cpu_mask+0x20/0x20 [ 132.155849][ T9533] ? arch_stack_walk+0x93/0xe0 [ 132.161063][ T9533] ? stack_trace_save+0x8c/0xc0 [ 132.166103][ T9533] ? stack_trace_consume_entry+0x160/0x160 [ 132.172812][ T9533] ? fs_reclaim_release+0x9c/0xf0 [ 132.177926][ T9533] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 132.184086][ T9533] ? trace_kmalloc+0x32/0xf0 [ 132.188768][ T9533] ? kmem_cache_alloc_trace+0x20b/0x440 [ 132.194923][ T9533] rtnl_newlink+0x5a/0x90 [ 132.199263][ T9533] rtnetlink_rcv_msg+0x31d/0x8d0 [ 132.204459][ T9533] ? __dev_queue_xmit+0x14ef/0x2e20 [ 132.209774][ T9533] ? rtnl_newlink+0x90/0x90 [ 132.214357][ T9533] ? check_preemption_disabled+0x36/0xd0 [ 132.220064][ T9533] ? netdev_core_pick_tx+0x290/0x290 [ 132.225888][ T9533] ? lock_acquire+0x150/0x5d0 [ 132.230834][ T9533] netlink_rcv_skb+0x118/0x370 [ 132.235667][ T9533] ? rtnl_newlink+0x90/0x90 [ 132.240159][ T9533] ? netlink_ack+0x930/0x930 [ 132.244826][ T9533] ? netlink_deliver_tap+0x130/0x9a0 [ 132.250261][ T9533] netlink_unicast+0x42e/0x700 [ 132.255208][ T9533] ? netlink_attachskb+0x750/0x750 [ 132.260658][ T9533] ? __build_skb_around+0x1f3/0x2b0 [ 132.265949][ T9533] netlink_sendmsg+0x704/0xbf0 [ 132.270970][ T9533] ? netlink_unicast+0x700/0x700 [ 132.276001][ T9533] ? netlink_unicast+0x700/0x700 [ 132.281271][ T9533] sock_sendmsg+0xab/0xe0 [ 132.285659][ T9533] ____sys_sendmsg+0x5bf/0x7a0 [ 132.290444][ T9533] ? kernel_sendmsg+0x30/0x30 [ 132.295641][ T9533] ? do_recvmmsg+0x550/0x550 [ 132.300239][ T9533] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 132.306282][ T9533] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 132.312428][ T9533] ___sys_sendmsg+0xd3/0x150 [ 132.317018][ T9533] ? sendmsg_copy_msghdr+0x110/0x110 [ 132.322296][ T9533] ? find_held_lock+0x2d/0x110 [ 132.327150][ T9533] ? check_preemption_disabled+0x36/0xd0 [ 132.332888][ T9533] ? lock_release+0x424/0x7e0 [ 132.337997][ T9533] ? __fget_files+0x17c/0x2e0 [ 132.343356][ T9533] ? lock_downgrade+0x7b0/0x7b0 [ 132.348312][ T9533] ? lock_downgrade+0x7b0/0x7b0 [ 132.353172][ T9533] ? futex_exit_release+0x200/0x200 [ 132.358452][ T9533] ? check_preemption_disabled+0x36/0xd0 [ 132.364076][ T9533] ? lock_is_held_type+0xfa/0x130 [ 132.369326][ T9533] ? __fget_files+0x194/0x2e0 [ 132.374243][ T9533] ? __fget_light+0xbe/0x220 [ 132.379483][ T9533] __sys_sendmsg+0xb2/0x140 [ 132.384028][ T9533] ? __sys_sendmsg_sock+0x10/0x10 [ 132.389131][ T9533] ? __do_sys_futex+0xa9/0x2d0 [ 132.394000][ T9533] ? check_preemption_disabled+0x36/0xd0 [ 132.399795][ T9533] ? syscall_enter_from_user_mode+0x1d/0x60 [ 132.405803][ T9533] ? lockdep_hardirqs_on+0x54/0x100 [ 132.411467][ T9533] do_syscall_64+0x35/0xb0 [ 132.416156][ T9533] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.422046][ T9533] RIP: 0033:0x464d29 [ 132.425964][ T9533] 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 [ 132.446012][ T9533] RSP: 002b:00007fec7b1c3188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 132.454497][ T9533] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 132.463088][ T9533] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 132.471057][ T9533] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 132.479286][ T9533] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfa0 [ 132.487426][ T9533] R13: 00007fff5779249f R14: 00007fec7b1c3300 R15: 0000000000022000 [ 132.503501][ T9533] kobject_add_internal failed for veth16 with -EEXIST, don't try to register things with the same name in the same directory. [ 132.521930][ T9546] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 132.556778][ T2725] aoe: packet could not be sent on ipvlan0. consider increasing tx_queue_len [ 132.579593][ T9557] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 132.580630][ T2725] aoe: packet could not be sent on ipvlan1. consider increasing tx_queue_len [ 132.595824][ T9557] sysfs: cannot create duplicate filename '/devices/virtual/net/veth15' [ 132.622489][ T9557] CPU: 0 PID: 9557 Comm: syz-executor.3 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 132.633109][ T9557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.643260][ T9557] Call Trace: [ 132.646543][ T9557] dump_stack_lvl+0xbd/0xe2 [ 132.651289][ T9557] sysfs_warn_dup.cold+0x17/0x24 [ 132.656468][ T9557] sysfs_create_dir_ns+0x1e9/0x260 [ 132.661845][ T9557] ? sysfs_create_mount_point+0x80/0x80 [ 132.667482][ T9557] ? rwlock_bug.part.0+0x90/0x90 [ 132.672527][ T9557] kobject_add_internal+0x274/0x7f0 [ 132.677911][ T9557] kobject_add+0x120/0x190 [ 132.682435][ T9557] ? kset_create_and_add+0x170/0x170 [ 132.688078][ T9557] ? wait_for_completion_io+0x280/0x280 [ 132.693806][ T9557] ? lockdep_init_map_type+0x2c3/0x870 [ 132.699406][ T9557] device_add+0x2cd/0x1cd0 [ 132.703837][ T9557] ? dev_set_name+0xa6/0xd0 [ 132.708520][ T9557] ? device_initialize+0x4e0/0x4e0 [ 132.713634][ T9557] ? lockdep_init_map_type+0x2c3/0x870 [ 132.719325][ T9557] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 132.725844][ T9557] ? __init_waitqueue_head+0x6b/0xd0 [ 132.731331][ T9557] netdev_register_kobject+0x162/0x350 [ 132.737060][ T9557] register_netdevice+0xa77/0x1190 [ 132.742440][ T9557] ? netdev_change_features+0xa0/0xa0 [ 132.747828][ T9557] ? rtnl_create_link+0x87c/0xba0 [ 132.752975][ T9557] veth_newlink+0x37b/0x980 [ 132.757481][ T9557] ? __rtnl_newlink+0xbf1/0x13b0 [ 132.763120][ T9557] ? veth_open+0x170/0x170 [ 132.767624][ T9557] ? netlink_unicast+0x42e/0x700 [ 132.773193][ T9557] ? netlink_sendmsg+0x704/0xbf0 [ 132.778407][ T9557] ? sock_sendmsg+0xab/0xe0 [ 132.782926][ T9557] ? ____sys_sendmsg+0x5bf/0x7a0 [ 132.787922][ T9557] ? ___sys_sendmsg+0xd3/0x150 [ 132.793183][ T9557] ? __sys_sendmsg+0xb2/0x140 [ 132.798417][ T9557] ? do_syscall_64+0x35/0xb0 [ 132.803814][ T9557] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.810706][ T9557] ? lock_is_held_type+0xfa/0x130 [ 132.816776][ T9557] ? find_held_lock+0x2d/0x110 [ 132.821684][ T9557] ? check_preemption_disabled+0x36/0xd0 [ 132.827787][ T9557] ? lock_release+0x424/0x7e0 [ 132.832548][ T9557] ? fs_reclaim_release+0x9c/0xf0 [ 132.837659][ T9557] ? mark_held_locks+0x9f/0xe0 [ 132.842488][ T9557] ? lock_is_held_type+0xfa/0x130 [ 132.847777][ T9557] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 132.854517][ T9557] ? kmem_cache_alloc_node_trace+0x420/0x570 [ 132.861022][ T9557] ? memset+0x20/0x40 [ 132.865135][ T9557] ? memcpy+0x39/0x60 [ 132.869727][ T9557] ? alloc_netdev_mqs+0x903/0xda0 [ 132.875167][ T9557] ? security_capable+0x4c/0x90 [ 132.880682][ T9557] ? rtnl_create_link+0x87c/0xba0 [ 132.886447][ T9557] __rtnl_newlink+0xcd7/0x13b0 [ 132.891213][ T9557] ? lock_is_held_type+0xfa/0x130 [ 132.896574][ T9557] ? rtnl_setlink+0x330/0x330 [ 132.901234][ T9557] ? check_preemption_disabled+0x36/0xd0 [ 132.906848][ T9557] ? lock_release+0x424/0x7e0 [ 132.911518][ T9557] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 132.917937][ T9557] ? is_bpf_text_address+0x65/0xe0 [ 132.923646][ T9557] ? kernel_text_address+0xbd/0xf0 [ 132.928960][ T9557] ? __kernel_text_address+0x9/0x30 [ 132.934248][ T9557] ? unwind_get_return_address+0x51/0x90 [ 132.940235][ T9557] ? create_prof_cpu_mask+0x20/0x20 [ 132.945705][ T9557] ? arch_stack_walk+0x93/0xe0 [ 132.950463][ T9557] ? stack_trace_save+0x8c/0xc0 [ 132.955302][ T9557] ? stack_trace_consume_entry+0x160/0x160 [ 132.961201][ T9557] ? fs_reclaim_release+0x9c/0xf0 [ 132.966343][ T9557] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 132.972069][ T9557] ? trace_kmalloc+0x32/0xf0 [ 132.976822][ T9557] ? kmem_cache_alloc_trace+0x20b/0x440 [ 132.982437][ T9557] rtnl_newlink+0x5a/0x90 [ 132.986746][ T9557] rtnetlink_rcv_msg+0x31d/0x8d0 [ 132.991661][ T9557] ? __dev_queue_xmit+0x14ef/0x2e20 [ 132.996853][ T9557] ? rtnl_newlink+0x90/0x90 [ 133.001529][ T9557] ? check_preemption_disabled+0x36/0xd0 [ 133.007356][ T9557] ? netdev_core_pick_tx+0x290/0x290 [ 133.012722][ T9557] ? lock_acquire+0x150/0x5d0 [ 133.017560][ T9557] netlink_rcv_skb+0x118/0x370 [ 133.023425][ T9557] ? rtnl_newlink+0x90/0x90 [ 133.028253][ T9557] ? netlink_ack+0x930/0x930 [ 133.032968][ T9557] ? netlink_deliver_tap+0x130/0x9a0 [ 133.038313][ T9557] netlink_unicast+0x42e/0x700 [ 133.043080][ T9557] ? netlink_attachskb+0x750/0x750 [ 133.048252][ T9557] ? __build_skb_around+0x1f3/0x2b0 [ 133.053892][ T9557] netlink_sendmsg+0x704/0xbf0 [ 133.059374][ T9557] ? netlink_unicast+0x700/0x700 [ 133.064642][ T9557] ? netlink_unicast+0x700/0x700 [ 133.069879][ T9557] sock_sendmsg+0xab/0xe0 [ 133.074215][ T9557] ____sys_sendmsg+0x5bf/0x7a0 [ 133.079159][ T9557] ? kernel_sendmsg+0x30/0x30 [ 133.083832][ T9557] ? do_recvmmsg+0x550/0x550 [ 133.088768][ T9557] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 133.094840][ T9557] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 133.100844][ T9557] ___sys_sendmsg+0xd3/0x150 [ 133.105620][ T9557] ? sendmsg_copy_msghdr+0x110/0x110 [ 133.111345][ T9557] ? find_held_lock+0x2d/0x110 [ 133.116603][ T9557] ? check_preemption_disabled+0x36/0xd0 [ 133.122480][ T9557] ? lock_release+0x424/0x7e0 [ 133.127607][ T9557] ? __fget_files+0x17c/0x2e0 [ 133.132385][ T9557] ? lock_downgrade+0x7b0/0x7b0 [ 133.137395][ T9557] ? lock_downgrade+0x7b0/0x7b0 [ 133.142240][ T9557] ? futex_exit_release+0x200/0x200 [ 133.147737][ T9557] ? check_preemption_disabled+0x36/0xd0 [ 133.153466][ T9557] ? lock_is_held_type+0xfa/0x130 [ 133.158480][ T9557] ? __fget_files+0x194/0x2e0 [ 133.163258][ T9557] ? __fget_light+0xbe/0x220 [ 133.167936][ T9557] __sys_sendmsg+0xb2/0x140 [ 133.172854][ T9557] ? __sys_sendmsg_sock+0x10/0x10 [ 133.177898][ T9557] ? __do_sys_futex+0xa9/0x2d0 [ 133.182772][ T9557] ? check_preemption_disabled+0x36/0xd0 [ 133.188599][ T9557] ? syscall_enter_from_user_mode+0x1d/0x60 [ 133.195000][ T9557] ? lockdep_hardirqs_on+0x54/0x100 [ 133.200197][ T9557] do_syscall_64+0x35/0xb0 [ 133.204601][ T9557] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.210653][ T9557] RIP: 0033:0x464d29 [ 133.214719][ T9557] 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 [ 133.235340][ T9557] RSP: 002b:00007f5758fbb188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 133.243842][ T9557] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 133.251917][ T9557] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 133.260381][ T9557] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 133.268584][ T9557] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfa0 [ 133.276555][ T9557] R13: 00007ffdede04d9f R14: 00007f5758fbb300 R15: 0000000000022000 [ 133.298616][ T9557] kobject_add_internal failed for veth15 with -EEXIST, don't try to register things with the same name in the same directory. [ 133.313647][ T9581] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 133.338943][ T9581] sysfs: cannot create duplicate filename '/devices/virtual/net/veth14' [ 133.376530][ T9581] CPU: 0 PID: 9581 Comm: syz-executor.4 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 133.387006][ T9581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.397365][ T9581] Call Trace: [ 133.400648][ T9581] dump_stack_lvl+0xbd/0xe2 [ 133.405524][ T9581] sysfs_warn_dup.cold+0x17/0x24 [ 133.410472][ T9581] sysfs_create_dir_ns+0x1e9/0x260 [ 133.415603][ T9581] ? sysfs_create_mount_point+0x80/0x80 [ 133.421598][ T9581] ? rwlock_bug.part.0+0x90/0x90 [ 133.426612][ T9581] kobject_add_internal+0x274/0x7f0 [ 133.432485][ T9581] kobject_add+0x120/0x190 [ 133.437414][ T9581] ? kset_create_and_add+0x170/0x170 [ 133.442826][ T9581] ? wait_for_completion_io+0x280/0x280 [ 133.449176][ T9581] ? lockdep_init_map_type+0x2c3/0x870 [ 133.456143][ T9581] device_add+0x2cd/0x1cd0 [ 133.462795][ T9581] ? dev_set_name+0xa6/0xd0 [ 133.468153][ T9581] ? device_initialize+0x4e0/0x4e0 [ 133.473360][ T9581] ? lockdep_init_map_type+0x2c3/0x870 [ 133.479176][ T9581] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 133.485676][ T9581] ? __init_waitqueue_head+0x6b/0xd0 [ 133.491333][ T9581] netdev_register_kobject+0x162/0x350 [ 133.496968][ T9581] register_netdevice+0xa77/0x1190 [ 133.503009][ T9581] ? netdev_change_features+0xa0/0xa0 [ 133.508912][ T9581] ? rtnl_create_link+0x87c/0xba0 [ 133.516792][ T9581] veth_newlink+0x37b/0x980 [ 133.522110][ T9581] ? __rtnl_newlink+0xbf1/0x13b0 [ 133.527529][ T9581] ? veth_open+0x170/0x170 [ 133.531989][ T9581] ? netlink_unicast+0x42e/0x700 [ 133.537189][ T9581] ? netlink_sendmsg+0x704/0xbf0 [ 133.542686][ T9581] ? sock_sendmsg+0xab/0xe0 [ 133.547900][ T9581] ? ____sys_sendmsg+0x5bf/0x7a0 [ 133.553448][ T9581] ? ___sys_sendmsg+0xd3/0x150 [ 133.558641][ T9581] ? __sys_sendmsg+0xb2/0x140 [ 133.564095][ T9581] ? do_syscall_64+0x35/0xb0 [ 133.569209][ T9581] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.575466][ T9581] ? lock_is_held_type+0xfa/0x130 [ 133.580480][ T9581] ? find_held_lock+0x2d/0x110 [ 133.585315][ T9581] ? check_preemption_disabled+0x36/0xd0 [ 133.591227][ T9581] ? lock_release+0x424/0x7e0 [ 133.595926][ T9581] ? fs_reclaim_release+0x9c/0xf0 [ 133.601947][ T9581] ? mark_held_locks+0x9f/0xe0 [ 133.606819][ T9581] ? lock_is_held_type+0xfa/0x130 [ 133.612143][ T9581] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 133.617994][ T9581] ? kmem_cache_alloc_node_trace+0x420/0x570 [ 133.624626][ T9581] ? memset+0x20/0x40 [ 133.628892][ T9581] ? memcpy+0x39/0x60 [ 133.632955][ T9581] ? alloc_netdev_mqs+0x903/0xda0 [ 133.638152][ T9581] ? security_capable+0x4c/0x90 [ 133.642989][ T9581] ? rtnl_create_link+0x87c/0xba0 [ 133.648311][ T9581] __rtnl_newlink+0xcd7/0x13b0 [ 133.654135][ T9581] ? lock_is_held_type+0xfa/0x130 [ 133.659161][ T9581] ? rtnl_setlink+0x330/0x330 [ 133.663837][ T9581] ? check_preemption_disabled+0x36/0xd0 [ 133.669669][ T9581] ? lock_release+0x424/0x7e0 [ 133.674446][ T9581] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.680641][ T9581] ? is_bpf_text_address+0x65/0xe0 [ 133.685765][ T9581] ? kernel_text_address+0xbd/0xf0 [ 133.690874][ T9581] ? __kernel_text_address+0x9/0x30 [ 133.696433][ T9581] ? unwind_get_return_address+0x51/0x90 [ 133.702142][ T9581] ? create_prof_cpu_mask+0x20/0x20 [ 133.707797][ T9581] ? arch_stack_walk+0x93/0xe0 [ 133.712687][ T9581] ? stack_trace_save+0x8c/0xc0 [ 133.717732][ T9581] ? stack_trace_consume_entry+0x160/0x160 [ 133.724504][ T9581] ? fs_reclaim_release+0x9c/0xf0 [ 133.729647][ T9581] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 133.735228][ T9581] ? trace_kmalloc+0x32/0xf0 [ 133.740039][ T9581] ? kmem_cache_alloc_trace+0x20b/0x440 [ 133.745689][ T9581] rtnl_newlink+0x5a/0x90 [ 133.750181][ T9581] rtnetlink_rcv_msg+0x31d/0x8d0 [ 133.755731][ T9581] ? __dev_queue_xmit+0x14ef/0x2e20 [ 133.761061][ T9581] ? rtnl_newlink+0x90/0x90 [ 133.765575][ T9581] ? check_preemption_disabled+0x36/0xd0 [ 133.771509][ T9581] ? netdev_core_pick_tx+0x290/0x290 [ 133.776993][ T9581] ? lock_acquire+0x150/0x5d0 [ 133.781936][ T9581] netlink_rcv_skb+0x118/0x370 [ 133.786870][ T9581] ? rtnl_newlink+0x90/0x90 [ 133.791729][ T9581] ? netlink_ack+0x930/0x930 [ 133.796517][ T9581] ? netlink_deliver_tap+0x130/0x9a0 [ 133.803103][ T9581] netlink_unicast+0x42e/0x700 [ 133.807853][ T9581] ? netlink_attachskb+0x750/0x750 [ 133.812960][ T9581] ? __build_skb_around+0x1f3/0x2b0 [ 133.818181][ T9581] netlink_sendmsg+0x704/0xbf0 [ 133.823025][ T9581] ? netlink_unicast+0x700/0x700 [ 133.827946][ T9581] ? netlink_unicast+0x700/0x700 [ 133.832868][ T9581] sock_sendmsg+0xab/0xe0 [ 133.837177][ T9581] ____sys_sendmsg+0x5bf/0x7a0 [ 133.841943][ T9581] ? kernel_sendmsg+0x30/0x30 [ 133.847062][ T9581] ? do_recvmmsg+0x550/0x550 [ 133.851771][ T9581] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 133.857991][ T9581] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 133.863980][ T9581] ___sys_sendmsg+0xd3/0x150 [ 133.869095][ T9581] ? sendmsg_copy_msghdr+0x110/0x110 [ 133.874878][ T9581] ? find_held_lock+0x2d/0x110 [ 133.880421][ T9581] ? check_preemption_disabled+0x36/0xd0 [ 133.886069][ T9581] ? lock_release+0x424/0x7e0 [ 133.891039][ T9581] ? __fget_files+0x17c/0x2e0 [ 133.895795][ T9581] ? lock_downgrade+0x7b0/0x7b0 [ 133.900635][ T9581] ? lock_downgrade+0x7b0/0x7b0 [ 133.905481][ T9581] ? futex_exit_release+0x200/0x200 [ 133.910670][ T9581] ? check_preemption_disabled+0x36/0xd0 [ 133.916286][ T9581] ? lock_is_held_type+0xfa/0x130 [ 133.921567][ T9581] ? __fget_files+0x194/0x2e0 [ 133.926404][ T9581] ? __fget_light+0xbe/0x220 [ 133.931132][ T9581] __sys_sendmsg+0xb2/0x140 [ 133.935732][ T9581] ? __sys_sendmsg_sock+0x10/0x10 [ 133.941204][ T9581] ? __do_sys_futex+0xa9/0x2d0 [ 133.946441][ T9581] ? check_preemption_disabled+0x36/0xd0 [ 133.952381][ T9581] ? syscall_enter_from_user_mode+0x1d/0x60 [ 133.958623][ T9581] ? lockdep_hardirqs_on+0x54/0x100 [ 133.964215][ T9581] do_syscall_64+0x35/0xb0 [ 133.968869][ T9581] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.975458][ T9581] RIP: 0033:0x464d29 [ 133.979375][ T9581] 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 [ 133.999054][ T9581] RSP: 002b:00007f5ef756e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.007550][ T9581] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 134.015535][ T9581] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 134.023490][ T9581] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 134.031466][ T9581] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfa0 [ 134.039532][ T9581] R13: 00007fffc1352bbf R14: 00007f5ef756e300 R15: 0000000000022000 [ 134.051423][ T9581] kobject_add_internal failed for veth14 with -EEXIST, don't try to register things with the same name in the same directory. [ 134.069544][ T9583] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 134.118304][ T9603] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 134.164896][ T9603] sysfs: cannot create duplicate filename '/devices/virtual/net/veth17' [ 134.189299][ T9603] CPU: 0 PID: 9603 Comm: syz-executor.0 Tainted: G W 5.14.0-rc1-syzkaller #0 [ 134.199837][ T9603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.210222][ T9603] Call Trace: [ 134.213692][ T9603] dump_stack_lvl+0xbd/0xe2 [ 134.218465][ T9603] sysfs_warn_dup.cold+0x17/0x24 [ 134.223587][ T9603] sysfs_create_dir_ns+0x1e9/0x260 [ 134.228792][ T9603] ? sysfs_create_mount_point+0x80/0x80 [ 134.234628][ T9603] ? rwlock_bug.part.0+0x90/0x90 [ 134.239582][ T9603] kobject_add_internal+0x274/0x7f0 [ 134.244802][ T9603] kobject_add+0x120/0x190 [ 134.249411][ T9603] ? kset_create_and_add+0x170/0x170 [ 134.254791][ T9603] ? wait_for_completion_io+0x280/0x280 [ 134.260608][ T9603] ? lockdep_init_map_type+0x2c3/0x870 [ 134.266096][ T9603] device_add+0x2cd/0x1cd0 [ 134.270539][ T9603] ? dev_set_name+0xa6/0xd0 [ 134.275296][ T9603] ? device_initialize+0x4e0/0x4e0 [ 134.280504][ T9603] ? lockdep_init_map_type+0x2c3/0x870 [ 134.286078][ T9603] ? __fw_devlink_link_to_suppliers+0x550/0x550 [ 134.292338][ T9603] ? __init_waitqueue_head+0x6b/0xd0 [ 134.297647][ T9603] netdev_register_kobject+0x162/0x350 [ 134.303117][ T9603] register_netdevice+0xa77/0x1190 [ 134.308335][ T9603] ? netdev_change_features+0xa0/0xa0 [ 134.314071][ T9603] ? rtnl_create_link+0x87c/0xba0 [ 134.319241][ T9603] veth_newlink+0x37b/0x980 [ 134.323927][ T9603] ? __rtnl_newlink+0xbf1/0x13b0 [ 134.328959][ T9603] ? veth_open+0x170/0x170 [ 134.333554][ T9603] ? netlink_unicast+0x42e/0x700 [ 134.338594][ T9603] ? netlink_sendmsg+0x704/0xbf0 [ 134.343531][ T9603] ? sock_sendmsg+0xab/0xe0 [ 134.348136][ T9603] ? ____sys_sendmsg+0x5bf/0x7a0 [ 134.353734][ T9603] ? ___sys_sendmsg+0xd3/0x150 [ 134.360015][ T9603] ? __sys_sendmsg+0xb2/0x140 [ 134.364699][ T9603] ? do_syscall_64+0x35/0xb0 [ 134.369432][ T9603] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 134.375682][ T9603] ? lock_is_held_type+0xfa/0x130 [ 134.380765][ T9603] ? find_held_lock+0x2d/0x110 [ 134.385641][ T9603] ? check_preemption_disabled+0x36/0xd0 [ 134.391421][ T9603] ? lock_release+0x424/0x7e0 [ 134.396128][ T9603] ? fs_reclaim_release+0x9c/0xf0 [ 134.401167][ T9603] ? mark_held_locks+0x9f/0xe0 [ 134.406028][ T9603] ? lock_is_held_type+0xfa/0x130 [ 134.411505][ T9603] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 134.417073][ T9603] ? kmem_cache_alloc_node_trace+0x420/0x570 [ 134.423151][ T9603] ? memset+0x20/0x40 [ 134.427146][ T9603] ? memcpy+0x39/0x60 [ 134.431739][ T9603] ? alloc_netdev_mqs+0x903/0xda0 [ 134.436912][ T9603] ? security_capable+0x4c/0x90 [ 134.442146][ T9603] ? rtnl_create_link+0x87c/0xba0 [ 134.447280][ T9603] __rtnl_newlink+0xcd7/0x13b0 [ 134.452335][ T9603] ? lock_is_held_type+0xfa/0x130 [ 134.457549][ T9603] ? rtnl_setlink+0x330/0x330 [ 134.462412][ T9603] ? check_preemption_disabled+0x36/0xd0 [ 134.468338][ T9603] ? lock_release+0x424/0x7e0 [ 134.473291][ T9603] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 134.479488][ T9603] ? is_bpf_text_address+0x65/0xe0 [ 134.484695][ T9603] ? kernel_text_address+0xbd/0xf0 [ 134.490518][ T9603] ? __kernel_text_address+0x9/0x30 [ 134.495948][ T9603] ? unwind_get_return_address+0x51/0x90 [ 134.501682][ T9603] ? create_prof_cpu_mask+0x20/0x20 [ 134.507179][ T9603] ? arch_stack_walk+0x93/0xe0 [ 134.512148][ T9603] ? stack_trace_save+0x8c/0xc0 [ 134.517187][ T9603] ? stack_trace_consume_entry+0x160/0x160 [ 134.523263][ T9603] ? fs_reclaim_release+0x9c/0xf0 [ 134.528395][ T9603] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 134.534243][ T9603] ? trace_kmalloc+0x32/0xf0 [ 134.538842][ T9603] ? kmem_cache_alloc_trace+0x20b/0x440 [ 134.544954][ T9603] rtnl_newlink+0x5a/0x90 [ 134.550083][ T9603] rtnetlink_rcv_msg+0x31d/0x8d0 [ 134.555301][ T9603] ? __dev_queue_xmit+0x14ef/0x2e20 [ 134.561033][ T9603] ? rtnl_newlink+0x90/0x90 [ 134.565553][ T9603] ? check_preemption_disabled+0x36/0xd0 [ 134.572078][ T9603] ? netdev_core_pick_tx+0x290/0x290 [ 134.577699][ T9603] ? lock_acquire+0x150/0x5d0 [ 134.583268][ T9603] netlink_rcv_skb+0x118/0x370 [ 134.588327][ T9603] ? rtnl_newlink+0x90/0x90 [ 134.593871][ T9603] ? netlink_ack+0x930/0x930 [ 134.598785][ T9603] ? netlink_deliver_tap+0x130/0x9a0 [ 134.604597][ T9603] netlink_unicast+0x42e/0x700 [ 134.609606][ T9603] ? netlink_attachskb+0x750/0x750 [ 134.614821][ T9603] ? __build_skb_around+0x1f3/0x2b0 [ 134.620297][ T9603] netlink_sendmsg+0x704/0xbf0 [ 134.625333][ T9603] ? netlink_unicast+0x700/0x700 [ 134.630523][ T9603] ? netlink_unicast+0x700/0x700 [ 134.635644][ T9603] sock_sendmsg+0xab/0xe0 [ 134.640114][ T9603] ____sys_sendmsg+0x5bf/0x7a0 [ 134.644974][ T9603] ? kernel_sendmsg+0x30/0x30 [ 134.649985][ T9603] ? do_recvmmsg+0x550/0x550 [ 134.654873][ T9603] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 134.661187][ T9603] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 134.667169][ T9603] ___sys_sendmsg+0xd3/0x150 [ 134.671820][ T9603] ? sendmsg_copy_msghdr+0x110/0x110 [ 134.677458][ T9603] ? find_held_lock+0x2d/0x110 [ 134.682740][ T9603] ? check_preemption_disabled+0x36/0xd0 [ 134.689490][ T9603] ? lock_release+0x424/0x7e0 [ 134.694531][ T9603] ? __fget_files+0x17c/0x2e0 [ 134.699331][ T9603] ? lock_downgrade+0x7b0/0x7b0 [ 134.704367][ T9603] ? lock_downgrade+0x7b0/0x7b0 [ 134.709396][ T9603] ? futex_exit_release+0x200/0x200 [ 134.714772][ T9603] ? check_preemption_disabled+0x36/0xd0 [ 134.720525][ T9603] ? lock_is_held_type+0xfa/0x130 [ 134.725639][ T9603] ? __fget_files+0x194/0x2e0 [ 134.730330][ T9603] ? __fget_light+0xbe/0x220 [ 134.735823][ T9603] __sys_sendmsg+0xb2/0x140 [ 134.740558][ T9603] ? __sys_sendmsg_sock+0x10/0x10 [ 134.745596][ T9603] ? __do_sys_futex+0xa9/0x2d0 [ 134.750549][ T9603] ? check_preemption_disabled+0x36/0xd0 [ 134.756357][ T9603] ? syscall_enter_from_user_mode+0x1d/0x60 [ 134.762297][ T9603] ? lockdep_hardirqs_on+0x54/0x100 [ 134.767756][ T9603] do_syscall_64+0x35/0xb0 [ 134.772165][ T9603] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 134.778409][ T9603] RIP: 0033:0x464d29 [ 134.782340][ T9603] 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 [ 134.802496][ T9603] RSP: 002b:00007f8c55db8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.811595][ T9603] RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 [ 134.820636][ T9603] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 134.829362][ T9603] RBP: 00000000004af6ec R08: 0000000000000000 R09: 0000000000000000 [ 134.837327][ T9603] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfa0 [ 134.845294][ T9603] R13: 00007fff66a9b3bf R14: 00007f8c55db8300 R15: 0000000000022000