[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 28.630314] audit: type=1400 audit(1589601499.860:8): avc: denied { execmem } for pid=6127 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 28.909818] IPVS: ftp: loaded support on port[0] = 21 [ 30.018996] can: request_module (can-proto-0) failed. [ 30.027744] can: request_module (can-proto-0) failed. [ 30.053078] audit: type=1400 audit(1589601501.282:9): avc: denied { create } for pid=6106 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 '10.128.0.119' (ECDSA) to the list of known hosts. 2020/05/16 03:58:28 parsed 1 programs 2020/05/16 03:58:28 executed programs: 0 [ 37.628317] audit: type=1400 audit(1589601508.867:10): avc: denied { execmem } for pid=6249 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 37.685609] IPVS: ftp: loaded support on port[0] = 21 [ 38.202542] IPVS: ftp: loaded support on port[0] = 21 [ 38.267045] chnl_net:caif_netlink_parms(): no params data found [ 38.298236] IPVS: ftp: loaded support on port[0] = 21 [ 38.319643] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.326786] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.334342] device bridge_slave_0 entered promiscuous mode [ 38.341364] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.348457] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.356081] device bridge_slave_1 entered promiscuous mode [ 38.379888] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.400878] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.455525] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.463627] team0: Port device team_slave_0 added [ 38.473374] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.480367] team0: Port device team_slave_1 added [ 38.486841] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.494313] chnl_net:caif_netlink_parms(): no params data found [ 38.501754] IPVS: ftp: loaded support on port[0] = 21 [ 38.511757] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.586805] device hsr_slave_0 entered promiscuous mode [ 38.642688] device hsr_slave_1 entered promiscuous mode [ 38.685011] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.717857] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.738817] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.746534] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.754372] device bridge_slave_0 entered promiscuous mode [ 38.760812] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.767971] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.776031] device bridge_slave_1 entered promiscuous mode [ 38.786754] chnl_net:caif_netlink_parms(): no params data found [ 38.812090] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.821827] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.842181] IPVS: ftp: loaded support on port[0] = 21 [ 38.865252] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.872264] team0: Port device team_slave_0 added [ 38.896749] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.904324] team0: Port device team_slave_1 added [ 38.911604] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.924764] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.931437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.938491] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.944999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.953261] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.959776] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.967142] device bridge_slave_0 entered promiscuous mode [ 38.974034] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.981034] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.987431] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.994589] device bridge_slave_1 entered promiscuous mode [ 39.069809] chnl_net:caif_netlink_parms(): no params data found [ 39.106409] device hsr_slave_0 entered promiscuous mode [ 39.142625] device hsr_slave_1 entered promiscuous mode [ 39.189652] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.197739] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.210134] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.220348] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 39.276095] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.277202] IPVS: ftp: loaded support on port[0] = 21 [ 39.283099] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.295910] device bridge_slave_0 entered promiscuous mode [ 39.303280] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.310331] team0: Port device team_slave_0 added [ 39.356881] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.364774] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.371951] device bridge_slave_1 entered promiscuous mode [ 39.385815] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.393370] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.401750] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.411223] team0: Port device team_slave_1 added [ 39.417494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.427611] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.459427] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.481273] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.491153] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 39.511177] chnl_net:caif_netlink_parms(): no params data found [ 39.595726] device hsr_slave_0 entered promiscuous mode [ 39.633751] device hsr_slave_1 entered promiscuous mode [ 39.678741] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.685947] team0: Port device team_slave_0 added [ 39.695758] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.717772] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.725926] team0: Port device team_slave_1 added [ 39.731329] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 39.754652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.762445] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.779473] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.786669] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.794710] device bridge_slave_0 entered promiscuous mode [ 39.801020] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.815159] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.874568] device hsr_slave_0 entered promiscuous mode [ 39.912233] device hsr_slave_1 entered promiscuous mode [ 39.956535] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.963056] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.970031] device bridge_slave_1 entered promiscuous mode [ 39.989152] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.002180] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.012561] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.019974] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.034851] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.048535] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.055870] team0: Port device team_slave_0 added [ 40.061663] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.069499] team0: Port device team_slave_1 added [ 40.075718] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.083575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.091149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.101251] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.107483] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.124346] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.138168] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.147688] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.162606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.172089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.179673] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.186143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.236624] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.265732] device hsr_slave_0 entered promiscuous mode [ 40.301979] device hsr_slave_1 entered promiscuous mode [ 40.343594] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.353044] chnl_net:caif_netlink_parms(): no params data found [ 40.366144] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.376208] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.384158] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.399301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.407747] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.415811] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.422217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.428967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.438513] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.447074] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.454226] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.468090] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.477050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.486534] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.507339] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.514971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.523254] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.530716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.539284] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.549389] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.559603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.575948] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.582330] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.588331] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.596161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.604925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.614723] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 40.633118] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.644841] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.662271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.669672] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.677440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.685083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.695694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 40.704395] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.714372] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.720591] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.729359] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.737161] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.743972] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.750795] device bridge_slave_0 entered promiscuous mode [ 40.758315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.766112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.773747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.781572] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.789143] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.795527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.802603] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.810926] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.820315] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.830402] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.837399] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.845375] device bridge_slave_1 entered promiscuous mode [ 40.853307] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.859290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.870409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.879311] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.887648] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.894296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.904308] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.912973] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.929673] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.937865] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 40.945457] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.953157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.960790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.969122] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.975508] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.984049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.992279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.999806] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.006199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.014203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.020995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.029885] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 41.045088] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.056379] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.079898] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.087053] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.102270] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.111183] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 41.123771] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.130853] team0: Port device team_slave_0 added [ 41.139221] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.147187] team0: Port device team_slave_1 added [ 41.154564] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.162880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.173872] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.180203] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.191022] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.202394] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.209513] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.218364] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.227254] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.235356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.244908] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.254355] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.273238] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.288103] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.305537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.314374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.325287] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.331693] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.339683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.341196] hrtimer: interrupt took 24080 ns [ 41.348510] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.362000] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.369652] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 41.414161] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.423098] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.430103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.444193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.454050] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.460437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.470824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.478978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.487401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.495912] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.506131] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 41.523345] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 41.554785] device hsr_slave_0 entered promiscuous mode [ 41.563404] device hsr_slave_1 entered promiscuous mode [ 41.621923] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.629018] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.637243] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.644870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.653353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.660719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.670389] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.681474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.692691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.700265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.708319] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.717530] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.725597] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.734354] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.744410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.755697] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.763627] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 41.770875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.778803] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.787927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.795606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.803735] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.814404] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 41.832628] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 41.840596] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.852729] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.858759] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.867146] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.874998] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.882761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.890162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.900277] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.908172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.921781] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 41.930210] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 41.939968] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.952273] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.963251] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.970336] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 41.978302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.986545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.994709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.003083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.010805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.025218] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.035839] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.043934] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.050329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.060408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.069614] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.088736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.096430] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.112512] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.118793] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.137189] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.150843] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.164207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.188740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.203531] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.209908] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.235361] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.249852] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.259905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.268685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.278736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.286690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.294883] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.306449] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.312872] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.325787] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.332056] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.343559] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.353894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.367302] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.378240] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.386772] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.395133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.403927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.413135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.420728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.429485] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.437700] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.444222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.454225] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.463856] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.470887] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.478747] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.486500] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.494864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.502837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.510341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.519575] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.530155] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.538553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.546391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.554491] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.561002] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.568063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.578003] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.588943] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.596282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.608802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.619528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.633667] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready 2020/05/16 03:58:33 executed programs: 16 [ 42.643073] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.649103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.656725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.674298] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.689345] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.699594] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.714865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.723176] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.734904] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.742147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.749546] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.759266] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.771496] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.779449] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.788603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.798429] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.804963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.814688] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.832836] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.844367] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.676697] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 46.616065] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 46.700655] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 46.703782] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 47.126454] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 47.193140] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 47.588783] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 2020/05/16 03:58:38 executed programs: 367 [ 48.013211] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 48.233205] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 48.317986] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 49.911670] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 51.842427] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 52.303483] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 2020/05/16 03:58:43 executed programs: 849 [ 52.723885] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 52.802869] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 52.942134] l2tp_core: tunl 4: sockfd_lookup(fd=4) returned -9 [ 53.530321] ================================================================== [ 53.537926] BUG: KASAN: use-after-free in inet_shutdown+0x287/0x300 [ 53.544311] Read of size 4 at addr ffff88807ac0b9c0 by task syz-executor.2/10133 [ 53.551818] [ 53.553449] CPU: 1 PID: 10133 Comm: syz-executor.2 Not tainted 4.14.180-syzkaller #0 [ 53.561302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.570664] Call Trace: [ 53.573231] dump_stack+0xf7/0x13b [ 53.576747] ? inet_shutdown+0x287/0x300 [ 53.580871] print_address_description.cold.7+0x9/0x1c9 [ 53.586212] ? inet_shutdown+0x287/0x300 [ 53.590266] kasan_report.cold.8+0x11a/0x2d3 [ 53.594742] __asan_report_load4_noabort+0x14/0x20 [ 53.599674] inet_shutdown+0x287/0x300 [ 53.603574] pppol2tp_session_close+0x91/0xc0 [ 53.608047] l2tp_tunnel_closeall+0x1df/0x2f0 [ 53.612518] ? trace_hardirqs_on+0xd/0x10 [ 53.616644] l2tp_udp_encap_destroy+0x7d/0xc0 [ 53.621140] udpv6_destroy_sock+0x89/0xb0 [ 53.625264] sk_common_release+0x5e/0x2c0 [ 53.629389] udp_lib_close+0x9/0x10 [ 53.632992] inet_release+0xd9/0x1c0 [ 53.636684] inet6_release+0x46/0x60 [ 53.640389] __sock_release+0xc2/0x2a0 [ 53.644252] sock_close+0x10/0x20 [ 53.648463] __fput+0x232/0x750 [ 53.651727] ? _raw_spin_unlock_irq+0x27/0x80 [ 53.656203] ____fput+0x9/0x10 [ 53.659372] task_work_run+0xe5/0x170 [ 53.663152] exit_to_usermode_loop+0x16a/0x1b0 [ 53.667750] do_syscall_64+0x416/0x5b0 [ 53.671621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.676457] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.681622] RIP: 0033:0x459a59 [ 53.684788] RSP: 002b:00007f4a4acc6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 53.692472] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000459a59 [ 53.699716] RDX: 0000000000000026 RSI: 0000000020000180 RDI: 0000000000000005 [ 53.706962] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 53.714236] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a4acc76d4 [ 53.721500] R13: 00000000004c0006 R14: 00000000004d2298 R15: 00000000ffffffff [ 53.728768] [ 53.730373] Allocated by task 10144: [ 53.734115] save_stack_trace+0x16/0x20 [ 53.738066] save_stack+0x43/0xd0 [ 53.741499] kasan_kmalloc+0xc7/0xe0 [ 53.745198] kasan_slab_alloc+0x12/0x20 [ 53.749148] kmem_cache_alloc+0x12e/0x790 [ 53.753269] sock_alloc_inode+0x18/0x230 [ 53.757311] alloc_inode+0x56/0x150 [ 53.760921] new_inode_pseudo+0xc/0xd0 [ 53.764782] sock_alloc+0x3c/0x280 [ 53.768299] __sock_create+0x7a/0x540 [ 53.772072] SyS_socket+0xc6/0x1a0 [ 53.775586] do_syscall_64+0x1c7/0x5b0 [ 53.779451] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.784886] [ 53.786490] Freed by task 10125: [ 53.789830] save_stack_trace+0x16/0x20 [ 53.793785] save_stack+0x43/0xd0 [ 53.797210] kasan_slab_free+0x71/0xc0 [ 53.801072] kmem_cache_free+0x80/0x2d0 [ 53.805020] sock_destroy_inode+0x50/0x60 [ 53.809145] destroy_inode+0xb3/0x100 [ 53.812939] evict+0x36f/0x590 [ 53.816104] iput+0x3ac/0x810 [ 53.819186] dentry_unlink_inode+0x23e/0x2f0 [ 53.823568] __dentry_kill+0x2d2/0x540 [ 53.827430] dput.part.27+0x49a/0x610 [ 53.831205] dput+0xe/0x20 [ 53.834030] __fput+0x3f7/0x750 [ 53.837288] ____fput+0x9/0x10 [ 53.840473] task_work_run+0xe5/0x170 [ 53.844266] exit_to_usermode_loop+0x16a/0x1b0 [ 53.848820] do_syscall_64+0x416/0x5b0 [ 53.852682] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.857845] [ 53.859478] The buggy address belongs to the object at ffff88807ac0b9c0 [ 53.859478] which belongs to the cache sock_inode_cache of size 1000 [ 53.872628] The buggy address is located 0 bytes inside of [ 53.872628] 1000-byte region [ffff88807ac0b9c0, ffff88807ac0bda8) [ 53.884449] The buggy address belongs to the page: [ 53.889537] page:ffffea0001eb02c0 count:1 mapcount:0 mapping:ffff88807ac0b0c0 index:0xffff88807ac0bffd [ 53.898955] flags: 0x1fffc0000000100(slab) [ 53.903171] raw: 01fffc0000000100 ffff88807ac0b0c0 ffff88807ac0bffd 0000000100000003 [ 53.911040] raw: ffffea0001eef0e0 ffffea0001eb0320 ffff8880a9e82d80 0000000000000000 [ 53.918913] page dumped because: kasan: bad access detected [ 53.924596] [ 53.926198] Memory state around the buggy address: [ 53.931101] ffff88807ac0b880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.938432] ffff88807ac0b900: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc [ 53.945763] >ffff88807ac0b980: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 53.953106] ^ [ 53.958541] ffff88807ac0ba00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.966752] ffff88807ac0ba80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 53.974087] ================================================================== [ 53.981431] Disabling lock debugging due to kernel taint [ 54.061273] Kernel panic - not syncing: panic_on_warn set ... [ 54.061273] [ 54.068695] CPU: 1 PID: 10133 Comm: syz-executor.2 Tainted: G B 4.14.180-syzkaller #0 [ 54.077779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.087127] Call Trace: [ 54.089798] dump_stack+0xf7/0x13b [ 54.093331] ? inet_shutdown+0x287/0x300 [ 54.097381] panic+0x1b0/0x358 [ 54.100577] ? add_taint.cold.5+0x11/0x11 [ 54.104891] ? ___preempt_schedule+0x16/0x18 [ 54.109284] ? inet_shutdown+0x287/0x300 [ 54.113330] kasan_end_report+0x47/0x4f [ 54.117295] kasan_report.cold.8+0x76/0x2d3 [ 54.121613] __asan_report_load4_noabort+0x14/0x20 [ 54.126519] inet_shutdown+0x287/0x300 [ 54.130384] pppol2tp_session_close+0x91/0xc0 [ 54.134862] l2tp_tunnel_closeall+0x1df/0x2f0 [ 54.139359] ? trace_hardirqs_on+0xd/0x10 [ 54.143481] l2tp_udp_encap_destroy+0x7d/0xc0 [ 54.147979] udpv6_destroy_sock+0x89/0xb0 [ 54.152204] sk_common_release+0x5e/0x2c0 [ 54.156330] udp_lib_close+0x9/0x10 [ 54.159934] inet_release+0xd9/0x1c0 [ 54.163647] inet6_release+0x46/0x60 [ 54.167336] __sock_release+0xc2/0x2a0 [ 54.171198] sock_close+0x10/0x20 [ 54.174628] __fput+0x232/0x750 [ 54.177883] ? _raw_spin_unlock_irq+0x27/0x80 [ 54.182370] ____fput+0x9/0x10 [ 54.187621] task_work_run+0xe5/0x170 [ 54.191418] exit_to_usermode_loop+0x16a/0x1b0 [ 54.195973] do_syscall_64+0x416/0x5b0 [ 54.199838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.204658] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.209846] RIP: 0033:0x459a59 [ 54.213021] RSP: 002b:00007f4a4acc6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 54.220713] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000459a59 [ 54.227976] RDX: 0000000000000026 RSI: 0000000020000180 RDI: 0000000000000005 [ 54.235225] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 54.242468] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a4acc76d4 [ 54.249812] R13: 00000000004c0006 R14: 00000000004d2298 R15: 00000000ffffffff [ 54.258842] Kernel Offset: disabled [ 54.262468] Rebooting in 86400 seconds..