[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 28.362022] audit: type=1400 audit(1585919924.530:8): avc: denied { execmem } for pid=5983 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 28.642102] IPVS: ftp: loaded support on port[0] = 21 [ 29.780914] can: request_module (can-proto-0) failed. [ 29.789633] can: request_module (can-proto-0) failed. [ 29.814113] audit: type=1400 audit(1585919925.981:9): avc: denied { create } for pid=5962 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 '10.128.15.192' (ECDSA) to the list of known hosts. 2020/04/03 13:18:54 parsed 1 programs 2020/04/03 13:18:54 executed programs: 0 [ 38.106745] audit: type=1400 audit(1585919934.275:10): avc: denied { execmem } for pid=6105 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.406642] IPVS: ftp: loaded support on port[0] = 21 [ 39.163789] IPVS: ftp: loaded support on port[0] = 21 [ 39.230764] chnl_net:caif_netlink_parms(): no params data found [ 39.280875] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.289382] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.289964] IPVS: ftp: loaded support on port[0] = 21 [ 39.297049] device bridge_slave_0 entered promiscuous mode [ 39.333469] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.339953] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.348127] device bridge_slave_1 entered promiscuous mode [ 39.373427] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.388795] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.397747] chnl_net:caif_netlink_parms(): no params data found [ 39.429293] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.437363] team0: Port device team_slave_0 added [ 39.455272] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.462755] team0: Port device team_slave_1 added [ 39.478110] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.484852] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.492582] device bridge_slave_0 entered promiscuous mode [ 39.493316] IPVS: ftp: loaded support on port[0] = 21 [ 39.505257] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.515096] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.521992] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.530117] device bridge_slave_1 entered promiscuous mode [ 39.554328] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.562435] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.573835] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.599524] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.607877] team0: Port device team_slave_0 added [ 39.651853] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.660149] team0: Port device team_slave_1 added [ 39.727615] device hsr_slave_0 entered promiscuous mode [ 39.765525] device hsr_slave_1 entered promiscuous mode [ 39.807492] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.815904] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.824925] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.833026] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 39.840131] chnl_net:caif_netlink_parms(): no params data found [ 39.870070] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.876598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.883464] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.889967] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.958641] device hsr_slave_0 entered promiscuous mode [ 40.005540] device hsr_slave_1 entered promiscuous mode [ 40.050438] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.056992] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.063833] device bridge_slave_0 entered promiscuous mode [ 40.072530] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.080433] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.088356] IPVS: ftp: loaded support on port[0] = 21 [ 40.101566] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.108097] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.116043] device bridge_slave_1 entered promiscuous mode [ 40.140413] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.156658] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.222719] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.231280] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.237940] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.244289] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.280727] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.288456] team0: Port device team_slave_0 added [ 40.308838] chnl_net:caif_netlink_parms(): no params data found [ 40.318607] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.327212] IPVS: ftp: loaded support on port[0] = 21 [ 40.337956] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.347561] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.354120] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.363158] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.370411] team0: Port device team_slave_1 added [ 40.375702] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.405647] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.417803] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.488014] chnl_net:caif_netlink_parms(): no params data found [ 40.522915] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.533906] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.577300] device hsr_slave_0 entered promiscuous mode [ 40.605458] device hsr_slave_1 entered promiscuous mode [ 40.665765] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.679716] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.686522] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.693388] device bridge_slave_0 entered promiscuous mode [ 40.700940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.708719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.718221] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.724285] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.736766] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.748671] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.755407] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.762199] device bridge_slave_1 entered promiscuous mode [ 40.792678] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.801578] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.816616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.824321] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.833001] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.839395] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.849015] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.858612] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.866005] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.872878] device bridge_slave_0 entered promiscuous mode [ 40.880369] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.897126] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.905718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.913514] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.921430] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.927845] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.936998] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.951840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.958655] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.965254] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.972328] device bridge_slave_1 entered promiscuous mode [ 40.985276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.994448] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.004336] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.012731] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.022805] team0: Port device team_slave_0 added [ 41.033073] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.042703] team0: Port device team_slave_1 added [ 41.049331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.056966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.064594] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.072316] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.082069] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.097216] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.106334] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.121221] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.130074] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.138637] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.145790] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.163444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.171138] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.179354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.186634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.195894] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.202052] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.216453] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 41.232305] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.239890] team0: Port device team_slave_0 added [ 41.256394] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.268770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.276321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.285336] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.293428] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 41.329771] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.337106] team0: Port device team_slave_1 added [ 41.342745] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.387027] device hsr_slave_0 entered promiscuous mode [ 41.424933] device hsr_slave_1 entered promiscuous mode [ 41.465307] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.472603] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.479351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.487473] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.495042] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.501435] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.508259] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.515820] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.524181] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.548730] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.557213] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.565746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.573666] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.583253] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.589645] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.597841] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.603846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.623160] chnl_net:caif_netlink_parms(): no params data found [ 41.637313] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.647403] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.653645] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.662302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 41.698504] device hsr_slave_0 entered promiscuous mode [ 41.744978] device hsr_slave_1 entered promiscuous mode [ 41.799884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.806746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.813477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.824258] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.832253] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.841598] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.849307] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.858718] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.866057] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.873883] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.882636] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.889031] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.897452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.905743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.919469] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.944444] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.952244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.961335] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.970008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.978302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.986195] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.993996] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.001475] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.013669] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.022331] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.029761] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.036846] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.043648] device bridge_slave_0 entered promiscuous mode [ 42.052596] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.063637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.072415] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.081046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.090824] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.098996] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.105716] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.112079] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.119677] device bridge_slave_1 entered promiscuous mode [ 42.133682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.144135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.153837] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.164979] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.172414] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.188323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.195999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.203727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.218294] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.227883] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.237521] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.247094] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.256841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.265232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.272802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.280479] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.288839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.298513] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.317763] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.323778] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.331681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.339811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.376665] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.386445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.392723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.402581] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.415571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.422903] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.432153] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.439616] team0: Port device team_slave_0 added [ 42.446030] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.452034] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.463539] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.471880] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.482183] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.493956] team0: Port device team_slave_1 added [ 42.506371] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.521616] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready 2020/04/03 13:18:59 executed programs: 6 [ 43.305284] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.323408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.340138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.355248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.391394] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.400110] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.412422] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.422070] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.436702] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.451369] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.459725] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.474530] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.492470] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.501746] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.515788] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.531982] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.549183] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.558731] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.574207] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.583468] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.597960] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.609818] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.620533] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.636187] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.649367] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.666988] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.679875] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.124407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.132244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.165504] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.171885] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.194469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.202303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.210400] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.216809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.224032] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.231738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.246575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.255713] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.262165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.273771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.283673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.300489] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.306915] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.318855] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.326792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.340480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.349005] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.361338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.370506] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.382761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.391241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.404340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.411930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.426474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.439288] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.449972] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.965756] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.972837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.001233] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.008550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.020379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.030716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.067375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.081503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.101672] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.842428] device hsr_slave_0 entered promiscuous mode [ 150.849518] INFO: rcu_sched detected stalls on CPUs/tasks: [ 150.855374] 0-...: (10501 ticks this GP) idle=792/140000000000000/0 softirq=9140/9144 fqs=3 [ 150.864354] (detected by 1, t=10502 jiffies, g=352, c=351, q=5) [ 150.870498] Sending NMI from CPU 1 to CPUs 0: [ 150.875207] NMI backtrace for cpu 0 [ 150.875209] CPU: 0 PID: 7024 Comm: syz-executor.1 Not tainted 4.14.175-syzkaller #0 [ 150.875211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.875213] task: ffff88808a8d6600 task.stack: ffff88808ac88000 [ 150.875214] RIP: 0010:trace_hardirqs_on_caller+0x38b/0x580 [ 150.875215] RSP: 0018:ffff88808ac8f650 EFLAGS: 00000807 [ 150.875218] RAX: dffffc0000000000 RBX: ffff88808a8d6600 RCX: 1ffff1101151adce [ 150.875219] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88808a8d6e4c [ 150.875221] RBP: ffff88808ac8f660 R08: 0000000000000001 R09: 0000000000000000 [ 150.875222] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff814f3267 [ 150.875224] R13: ffffffff87916980 R14: fffffbfff0f22d32 R15: ffffffff87916990 [ 150.875226] FS: 00007f7fcf5d0700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 150.875227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 150.875229] CR2: 0000000000758080 CR3: 00000000923c8000 CR4: 00000000001406f0 [ 150.875230] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 150.875232] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 150.875233] Call Trace: [ 150.875234] trace_hardirqs_on+0xd/0x10 [ 150.875235] current_kernel_time64+0x137/0x1b0 [ 150.875236] current_time+0x13/0xa0 [ 150.875237] __atime_needs_update+0x1e4/0x9b0 [ 150.875238] touch_atime+0xc1/0x230 [ 150.875240] ? __atime_needs_update+0x9b0/0x9b0 [ 150.875241] ? pagecache_get_page+0x45/0x5a0 [ 150.875242] generic_file_read_iter+0x145d/0x1e70 [ 150.875243] ? filemap_range_has_page+0x1d0/0x1d0 [ 150.875245] ? mark_held_locks+0xc7/0x130 [ 150.875246] ? kfree+0x104/0x270 [ 150.875247] ? __lock_is_held+0xb5/0x140 [ 150.875248] ? trace_hardirqs_on+0xd/0x10 [ 150.875249] ext4_file_read_iter+0x139/0x350 [ 150.875250] generic_file_splice_read+0x349/0x6b0 [ 150.875251] ? add_to_pipe+0x330/0x330 [ 150.875253] ? selinux_file_permission+0x31f/0x3e0 [ 150.875254] ? rw_verify_area+0xb8/0x2b0 [ 150.875255] do_splice_to+0xe3/0x120 [ 150.875256] splice_direct_to_actor+0x20d/0x750 [ 150.875257] ? __inode_security_revalidate+0xd3/0x100 [ 150.875259] ? pipe_to_sendpage+0x420/0x420 [ 150.875260] ? do_splice_to+0x120/0x120 [ 150.875261] ? rw_verify_area+0xb8/0x2b0 [ 150.875262] do_splice_direct+0x144/0x250 [ 150.875263] ? splice_direct_to_actor+0x750/0x750 [ 150.875264] ? __sb_start_write+0x1f3/0x2a0 [ 150.875265] do_sendfile+0x463/0xd00 [ 150.875267] ? do_compat_pwritev64+0x180/0x180 [ 150.875268] ? kasan_check_write+0x14/0x20 [ 150.875269] SyS_sendfile64+0x97/0x110 [ 150.875270] ? SyS_sendfile+0x120/0x120 [ 150.875271] ? do_syscall_64+0x4c/0x5b0 [ 150.875272] ? SyS_sendfile+0x120/0x120 [ 150.875273] do_syscall_64+0x1c7/0x5b0 [ 150.875275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 150.875276] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 150.875277] RIP: 0033:0x459519 [ 150.875278] RSP: 002b:00007f7fcf5cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 150.875281] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459519 [ 150.875282] RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 150.875284] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 150.875285] R10: 00008080fffffffe R11: 0000000000000246 R12: 00007f7fcf5d06d4 [ 150.875287] R13: 00000000004c6af0 R14: 00000000004dbd68 R15: 00000000ffffffff [ 150.875288] Code: 0f 85 88 01 00 00 65 48 8b 1c 25 40 ee 01 00 48 8d bb 4c 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 9d 01 00 00 [ 150.876122] rcu_sched kthread starved for 10496 jiffies! g352 c351 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 151.222405] rcu_sched R running task 29832 9 2 0x80000000 [ 151.229602] Call Trace: [ 151.232188] __schedule+0x780/0x1d20 [ 151.235912] ? pci_mmcfg_check_reserved+0x120/0x120 [ 151.240935] ? __lock_is_held+0xb5/0x140 [ 151.245000] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 151.250111] schedule+0x7f/0x1b0 [ 151.253481] schedule_timeout+0x40c/0xcc0 [ 151.257632] ? usleep_range+0x120/0x120 [ 151.261612] ? prepare_to_swait+0xe5/0x130 [ 151.265840] ? call_timer_fn+0x570/0x570 [ 151.269905] rcu_gp_kthread+0xbbf/0x1e00 [ 151.273974] ? force_qs_rnp+0x4d0/0x4d0 [ 151.277951] kthread+0x338/0x400 [ 151.281309] ? force_qs_rnp+0x4d0/0x4d0 [ 151.285276] ? kthread_create_on_node+0xa0/0xa0 [ 151.289940] ret_from_fork+0x24/0x30 [ 151.293903] INFO: rcu_preempt detected stalls on CPUs/tasks: [ 151.299703] 0-...: (10543 ticks this GP) idle=792/140000000000000/0 softirq=9144/9144 fqs=1 [ 151.308356] (detected by 1, t=10543 jiffies, g=1274, c=1273, q=277) [ 151.314891] Sending NMI from CPU 1 to CPUs 0: [ 151.319618] NMI backtrace for cpu 0 [ 151.319620] CPU: 0 PID: 7024 Comm: syz-executor.1 Not tainted 4.14.175-syzkaller #0 [ 151.319622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.319624] task: ffff88808a8d6600 task.stack: ffff88808ac88000 [ 151.319625] RIP: 0010:rcu_is_watching+0x0/0xb0 [ 151.319626] RSP: 0018:ffff88808ac8f5e0 EFLAGS: 00000046 [ 151.319629] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88808a8d6e80 [ 151.319630] RDX: ffffffff81644c30 RSI: ffff88808a8d6ea8 RDI: ffff88808a8d6e7c [ 151.319632] RBP: ffff88808ac8f5f0 R08: ffff88808a8d6ec8 R09: 0000000000000008 [ 151.319633] R10: 0000000000000028 R11: ffff88808a8d6600 R12: ffff88808ac8f6a0 [ 151.319635] R13: 0000000000000000 R14: ffff88808a8d6600 R15: 0000000000000000 [ 151.319637] FS: 00007f7fcf5d0700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 151.319638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 151.319640] CR2: 0000000000758080 CR3: 00000000923c8000 CR4: 00000000001406f0 [ 151.319641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 151.319643] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 151.319644] Call Trace: [ 151.319645] ? is_bpf_text_address+0xb4/0xe0 [ 151.319646] kernel_text_address+0x79/0xf0 [ 151.319647] ? __unwind_start+0x1f6/0x410 [ 151.319648] __kernel_text_address+0xd/0x40 [ 151.319649] unwind_get_return_address+0x61/0xa0 [ 151.319651] __save_stack_trace+0x7e/0xd0 [ 151.319652] ? iter_file_splice_write+0x49a/0xc20 [ 151.319653] save_stack_trace+0x16/0x20 [ 151.319654] save_stack+0x43/0xd0 [ 151.319655] ? save_stack_trace+0x16/0x20 [ 151.319656] ? save_stack+0x43/0xd0 [ 151.319657] ? kasan_slab_free+0x71/0xc0 [ 151.319658] ? kfree+0xcc/0x270 [ 151.319660] ? iter_file_splice_write+0x49a/0xc20 [ 151.319661] ? direct_splice_actor+0x104/0x1c0 [ 151.319662] ? splice_direct_to_actor+0x27c/0x750 [ 151.319663] ? do_splice_direct+0x144/0x250 [ 151.319664] ? do_sendfile+0x463/0xd00 [ 151.319665] ? SyS_sendfile64+0x97/0x110 [ 151.319666] ? do_syscall_64+0x1c7/0x5b0 [ 151.319668] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 151.319669] ? debug_check_no_obj_freed+0x2f0/0x930 [ 151.319670] ? lock_downgrade+0x7f0/0x7f0 [ 151.319672] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 151.319673] ? debug_check_no_obj_freed+0x2f0/0x930 [ 151.319674] ? free_obj_work+0x660/0x660 [ 151.319675] kasan_slab_free+0x71/0xc0 [ 151.319676] kfree+0xcc/0x270 [ 151.319677] iter_file_splice_write+0x49a/0xc20 [ 151.319678] ? default_file_splice_read+0x820/0x820 [ 151.319680] ? selinux_file_permission+0x31f/0x3e0 [ 151.319681] ? rw_verify_area+0xb8/0x2b0 [ 151.319682] direct_splice_actor+0x104/0x1c0 [ 151.319683] splice_direct_to_actor+0x27c/0x750 [ 151.319685] ? __inode_security_revalidate+0xd3/0x100 [ 151.319686] ? pipe_to_sendpage+0x420/0x420 [ 151.319687] ? do_splice_to+0x120/0x120 [ 151.319688] ? rw_verify_area+0xb8/0x2b0 [ 151.319689] do_splice_direct+0x144/0x250 [ 151.319690] ? splice_direct_to_actor+0x750/0x750 [ 151.319691] ? __sb_start_write+0x1f3/0x2a0 [ 151.319693] do_sendfile+0x463/0xd00 [ 151.319694] ? do_compat_pwritev64+0x180/0x180 [ 151.319695] ? kasan_check_write+0x14/0x20 [ 151.319696] SyS_sendfile64+0x97/0x110 [ 151.319697] ? SyS_sendfile+0x120/0x120 [ 151.319698] ? do_syscall_64+0x4c/0x5b0 [ 151.319699] ? SyS_sendfile+0x120/0x120 [ 151.319700] do_syscall_64+0x1c7/0x5b0 [ 151.319702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 151.319703] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 151.319704] RIP: 0033:0x459519 [ 151.319705] RSP: 002b:00007f7fcf5cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 151.319708] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459519 [ 151.319709] RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 151.319711] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 151.319712] R10: 00008080fffffffe R11: 0000000000000246 R12: 00007f7fcf5d06d4 [ 151.319714] R13: 00000000004c6af0 R14: 00000000004dbd68 R15: 00000000ffffffff [ 151.319715] Code: c1 53 0c 83 e2 01 74 05 f0 83 63 0c fe 48 83 c4 08 5b 5d c3 48 89 45 f0 e8 be 49 37 00 48 8b 45 f0 eb ce 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 53 48 83 ec 08 65 ff 05 e0 8b b5 7e e8 5b af 87 01 [ 151.320389] rcu_preempt kthread starved for 10541 jiffies! g1274 c1273 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 151.729420] rcu_preempt R running task 29720 8 2 0x80000000 [ 151.736617] Call Trace: [ 151.739200] __schedule+0x780/0x1d20 [ 151.742908] ? pci_mmcfg_check_reserved+0x120/0x120 [ 151.747946] ? __lock_is_held+0xb5/0x140 [ 151.752003] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 151.757098] schedule+0x7f/0x1b0 [ 151.760460] schedule_timeout+0x40c/0xcc0 [ 151.764599] ? usleep_range+0x120/0x120 [ 151.769000] ? prepare_to_swait+0xe5/0x130 [ 151.773226] ? call_timer_fn+0x570/0x570 [ 151.777285] rcu_gp_kthread+0xbbf/0x1e00 [ 151.781343] ? force_qs_rnp+0x4d0/0x4d0 [ 151.785310] kthread+0x338/0x400 [ 151.788663] ? force_qs_rnp+0x4d0/0x4d0 [ 151.792638] ? kthread_create_on_node+0xa0/0xa0 [ 151.797296] ret_from_fork+0x24/0x30