[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 32.199746] audit: type=1400 audit(1602254666.527:8): avc: denied { execmem } for pid=6237 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.224415] IPVS: ftp: loaded support on port[0] = 21 [ 32.602087] can: request_module (can-proto-0) failed. [ 33.187293] can: request_module (can-proto-0) failed. [ 33.213737] audit: type=1400 audit(1602254667.538:9): avc: denied { create } for pid=6217 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.61' (ECDSA) to the list of known hosts. 2020/10/09 14:44:34 parsed 1 programs 2020/10/09 14:44:35 executed programs: 0 [ 40.727601] audit: type=1400 audit(1602254675.061:10): avc: denied { execmem } for pid=6357 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.813459] IPVS: ftp: loaded support on port[0] = 21 [ 41.042270] IPVS: ftp: loaded support on port[0] = 21 [ 41.053151] chnl_net:caif_netlink_parms(): no params data found [ 41.079216] IPVS: ftp: loaded support on port[0] = 21 [ 41.145151] IPVS: ftp: loaded support on port[0] = 21 [ 41.173355] IPVS: ftp: loaded support on port[0] = 21 [ 41.188127] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.194474] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.204011] device bridge_slave_0 entered promiscuous mode [ 41.246017] chnl_net:caif_netlink_parms(): no params data found [ 41.254142] IPVS: ftp: loaded support on port[0] = 21 [ 41.259567] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.268889] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.276211] device bridge_slave_1 entered promiscuous mode [ 41.313508] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.326037] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.423336] chnl_net:caif_netlink_parms(): no params data found [ 41.434803] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.444044] team0: Port device team_slave_0 added [ 41.451568] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.460020] team0: Port device team_slave_1 added [ 41.465022] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.471419] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.479241] device bridge_slave_0 entered promiscuous mode [ 41.487887] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.494221] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.501544] device bridge_slave_1 entered promiscuous mode [ 41.520945] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.528277] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.550095] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.583869] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.591242] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.598657] device bridge_slave_0 entered promiscuous mode [ 41.612467] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.628266] device hsr_slave_0 entered promiscuous mode [ 41.633813] device hsr_slave_1 entered promiscuous mode [ 41.640135] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.646759] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.653500] device bridge_slave_1 entered promiscuous mode [ 41.678038] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.684871] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.692902] team0: Port device team_slave_0 added [ 41.702605] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.710522] team0: Port device team_slave_1 added [ 41.718986] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.727552] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.736328] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.743937] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.757949] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.778231] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.786383] team0: Port device team_slave_0 added [ 41.796970] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.804234] team0: Port device team_slave_1 added [ 41.810482] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.819731] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.836135] device hsr_slave_0 entered promiscuous mode [ 41.841677] device hsr_slave_1 entered promiscuous mode [ 41.883530] chnl_net:caif_netlink_parms(): no params data found [ 41.897247] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.929287] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.938240] device hsr_slave_0 entered promiscuous mode [ 41.943962] device hsr_slave_1 entered promiscuous mode [ 41.982887] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.989339] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.996315] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.002653] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.030287] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.040541] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.046948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.053562] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.059970] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.096904] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.109101] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.116191] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.123442] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.133049] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.152748] chnl_net:caif_netlink_parms(): no params data found [ 42.160371] chnl_net:caif_netlink_parms(): no params data found [ 42.177861] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.184205] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.193116] device bridge_slave_0 entered promiscuous mode [ 42.202764] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.210395] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.218342] device bridge_slave_1 entered promiscuous mode [ 42.280207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.293806] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.312292] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.326902] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.334087] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.343054] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.357344] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.363866] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.371971] device bridge_slave_0 entered promiscuous mode [ 42.383672] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.390613] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.397739] device bridge_slave_1 entered promiscuous mode [ 42.404712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.412910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.428842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.435806] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.442146] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.450071] device bridge_slave_0 entered promiscuous mode [ 42.458567] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.464911] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.473825] device bridge_slave_1 entered promiscuous mode [ 42.490814] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.500060] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.522833] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.528970] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.542356] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.553511] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.561002] team0: Port device team_slave_0 added [ 42.566680] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.573741] team0: Port device team_slave_1 added [ 42.581827] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.597762] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.606197] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.622251] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.630365] team0: Port device team_slave_0 added [ 42.636385] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.643492] team0: Port device team_slave_0 added [ 42.659357] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.665985] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.674182] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.682989] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.693596] team0: Port device team_slave_1 added [ 42.699041] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.706557] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.713619] team0: Port device team_slave_1 added [ 42.719078] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.728154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.734933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.741960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.749715] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.757558] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.763894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.778232] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.784288] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.791065] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.806650] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.821739] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.835624] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.844205] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.853839] device hsr_slave_0 entered promiscuous mode [ 42.859509] device hsr_slave_1 entered promiscuous mode [ 42.870389] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.880804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.888957] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.897204] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.903526] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.910841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.919160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.927131] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.933443] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.942585] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.952296] device hsr_slave_0 entered promiscuous mode [ 42.958566] device hsr_slave_1 entered promiscuous mode [ 42.964532] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.972726] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.980684] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.992471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.002457] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.011377] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.021130] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.031811] device hsr_slave_0 entered promiscuous mode [ 43.038608] device hsr_slave_1 entered promiscuous mode [ 43.044598] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.053375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.061588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.068764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.076756] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.084886] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.095882] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.104302] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.110900] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.118172] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.133281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.141063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.149467] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.155874] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.163359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.171743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.179717] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.188751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.200521] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.210527] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.219000] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.235530] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.243125] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.252030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.260354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.268849] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.275256] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.282289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.290283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.298110] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.304422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.311867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.320425] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.331651] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.340031] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.348926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.361680] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.370516] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.379562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.387565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.396402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.403761] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.411968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.419536] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.428254] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.438950] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.455666] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.463468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.473132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.481026] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.488748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.497472] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.504959] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.519069] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.527799] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.537287] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.547137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.554725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.563134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.571069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.578943] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.586893] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.594215] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.603253] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.609713] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.617755] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.631932] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.645839] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.654588] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.664877] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.675903] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.681883] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.692382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.700226] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.707996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.715650] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.727572] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.736373] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.746875] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.752864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.763886] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.772170] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.778707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.786752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.796285] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.803549] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.811181] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.824733] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.835843] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.846278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.853199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.864105] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.882328] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.890320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.906090] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.913661] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.920062] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.930612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.940209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.958006] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.967625] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.035424] audit: type=1800 audit(1602254678.352:11): pid=7256 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=15758 res=0 [ 44.097071] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.119719] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.132007] audit: type=1800 audit(1602254678.462:12): pid=7261 uid=0 auid=0 ses=8 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.5" name="bus" dev="sda1" ino=15765 res=0 [ 44.145302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.160049] hrtimer: interrupt took 45436 ns [ 44.174235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.200886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.208721] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.215148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.229817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.238975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.251810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 149.241203] rcu: INFO: rcu_preempt self-detected stall on CPU [ 149.247305] rcu: 0-...!: (1 GPs behind) idle=496/1/0x4000000000000002 softirq=8548/8551 fqs=2 [ 149.256590] rcu: (t=10501 jiffies g=4693 q=181) [ 149.261424] rcu: rcu_preempt kthread starved for 10498 jiffies! g4693 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 149.271806] rcu: RCU grace-period kthread stack dump: [ 149.276981] rcu_preempt R running task 29208 10 2 0x80000000 [ 149.284163] Call Trace: [ 149.286778] __schedule+0x78c/0x1c10 [ 149.290487] ? pci_mmcfg_check_reserved+0x120/0x120 [ 149.295508] ? schedule_timeout+0x3a6/0xe00 [ 149.299823] ? lockdep_hardirqs_on+0x421/0x5c0 [ 149.304390] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 149.309481] ? trace_hardirqs_on+0x28/0x190 [ 149.313789] schedule+0x7f/0x1b0 [ 149.317142] schedule_timeout+0x3ab/0xe00 [ 149.321279] ? lockdep_hardirqs_on+0x421/0x5c0 [ 149.325850] ? usleep_range+0x130/0x130 [ 149.329811] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 149.334906] ? prepare_to_swait_event+0x17f/0x3d0 [ 149.339736] ? __next_timer_interrupt+0x100/0x100 [ 149.344577] rcu_gp_kthread+0xce6/0x23d0 [ 149.348640] ? rcu_exp_wait_wake+0x460/0x460 [ 149.353041] ? __kthread_parkme+0x37/0x1c0 [ 149.357260] ? __kthread_parkme+0xa9/0x1c0 [ 149.361483] kthread+0x347/0x410 [ 149.364836] ? rcu_exp_wait_wake+0x460/0x460 [ 149.369230] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 149.374754] ret_from_fork+0x24/0x30 [ 149.378485] NMI backtrace for cpu 0 [ 149.382099] CPU: 0 PID: 7273 Comm: syz-executor.5 Not tainted 4.19.150-syzkaller #0 [ 149.389877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.399215] Call Trace: [ 149.401781] [ 149.403922] dump_stack+0x123/0x177 [ 149.407537] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 149.412218] ? lapic_can_unplug_cpu.cold.30+0x3f/0x3f [ 149.417393] nmi_trigger_cpumask_backtrace+0xe6/0x11a [ 149.422570] arch_trigger_cpumask_backtrace+0x14/0x20 [ 149.427744] rcu_dump_cpu_stacks+0x175/0x1c2 [ 149.432143] rcu_check_callbacks.cold.81+0x5cc/0xd67 [ 149.437248] ? trace_hardirqs_off+0x41/0x180 [ 149.441654] update_process_times+0x28/0x90 [ 149.445963] tick_sched_handle+0x77/0x140 [ 149.450098] tick_sched_timer+0x37/0xf0 [ 149.454057] __hrtimer_run_queues+0x2f7/0xab0 [ 149.458537] ? hrtimer_interrupt+0x35d/0x760 [ 149.462934] ? tick_sched_do_timer+0x140/0x140 [ 149.467503] ? hrtimer_fixup_activate+0x20/0x20 [ 149.472160] ? ktime_get_update_offsets_now+0x141/0x370 [ 149.477528] hrtimer_interrupt+0x2df/0x760 [ 149.481759] smp_apic_timer_interrupt+0x114/0x540 [ 149.486589] apic_timer_interrupt+0xf/0x20 [ 149.490817] [ 149.493053] RIP: 0010:memset_erms+0x9/0x10 [ 149.497275] Code: c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 [ 149.516163] RSP: 0018:ffff8880970d6c38 EFLAGS: 00010246 ORIG_RAX: ffffffffffffff13 [ 149.523859] RAX: 0000000000000000 RBX: ffff888174623000 RCX: 0000000000000d00 [ 149.531138] RDX: 0000000000001000 RSI: 0000000000000000 RDI: ffff888174623300 [ 149.538393] RBP: ffff8880970d6c58 R08: 0000000000000000 R09: ffff888174623000 [ 149.545647] R10: ffffed102e8c47ff R11: ffff888174623fff R12: 0000000000001000 [ 149.552902] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000083cfd [ 149.560176] ? memset+0x31/0x40 [ 149.563442] ext4_mpage_readpages+0x7e0/0x1560 [ 149.568025] ? mpage_end_io+0x420/0x420 [ 149.571985] ? __lock_is_held+0xb5/0x140 [ 149.576039] ? rcu_read_lock_sched_held+0x108/0x120 [ 149.581042] ? __alloc_pages_nodemask+0x5fc/0x710 [ 149.585871] ext4_readpages+0xae/0x100 [ 149.589748] read_pages+0xed/0x470 [ 149.593273] ? find_held_lock+0x36/0x1d0 [ 149.597329] ? read_cache_pages+0x570/0x570 [ 149.601638] ? alloc_pages_current+0xd6/0x1b0 [ 149.606123] ? __page_cache_alloc+0x1f0/0x390 [ 149.610604] ? kasan_check_read+0x11/0x20 [ 149.614759] __do_page_cache_readahead+0x35c/0x560 [ 149.619678] ? read_pages+0x470/0x470 [ 149.623470] ondemand_readahead+0x42b/0xbc0 [ 149.628211] ? kasan_check_read+0x11/0x20 [ 149.632347] page_cache_async_readahead+0x311/0x5e0 [ 149.637356] generic_file_read_iter+0x121f/0x20d0 [ 149.642184] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 149.646930] ? retint_kernel+0x2d/0x2d [ 149.650812] ? filemap_range_has_page+0x200/0x200 [ 149.655657] ext4_file_read_iter+0x139/0x350 [ 149.660054] __vfs_read+0x440/0x880 [ 149.663671] ? vfs_copy_file_range+0xb30/0xb30 [ 149.668247] ? kernel_fpu_end+0xa3/0x130 [ 149.672292] ? kernel_fpu_begin+0x170/0x170 [ 149.676604] ? done_hash+0x12/0x12 [ 149.680158] integrity_kernel_read+0x128/0x200 [ 149.684724] ? integrity_inode_free+0x2c0/0x2c0 [ 149.689389] ima_calc_file_hash+0x53a/0x800 [ 149.693701] ? up_read+0x8a/0x110 [ 149.697140] ? up_read+0x1a/0x110 [ 149.700581] ? ext4_xattr_get+0x15a/0x9e0 [ 149.704733] ? ima_calc_file_hash+0x126/0x800 [ 149.709218] ima_collect_measurement+0x3fc/0x520 [ 149.713963] ? ima_get_action+0x90/0x90 [ 149.717925] ? integrity_iint_find+0xcf/0x100 [ 149.722412] process_measurement+0xb0e/0x14b0 [ 149.726899] ? ima_add_template_entry.cold.3+0x37/0x37 [ 149.732183] ? mark_held_locks+0x130/0x130 [ 149.736756] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 149.741499] ? lockdep_hardirqs_on+0x421/0x5c0 [ 149.746068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 149.750811] ? trace_hardirqs_on_caller+0x28/0x180 [ 149.755731] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 149.760479] ? retint_kernel+0x2d/0x2d [ 149.764361] ? selinux_task_getsecid+0x118/0x210 [ 149.769107] ima_file_check+0xc8/0x110 [ 149.772980] ? process_measurement+0x14b0/0x14b0 [ 149.777723] ? inode_owner_or_capable+0x11/0x1b0 [ 149.782490] path_openat+0x746/0x3c60 [ 149.786278] ? save_stack+0x43/0xd0 [ 149.789889] ? kasan_kmalloc+0xc7/0xe0 [ 149.793767] ? path_lookupat.isra.43+0x850/0x850 [ 149.798512] ? mark_held_locks+0x130/0x130 [ 149.802766] ? __lock_is_held+0xb5/0x140 [ 149.806815] ? find_held_lock+0x36/0x1d0 [ 149.810865] do_filp_open+0x177/0x250 [ 149.814651] ? may_open_dev+0xc0/0xc0 [ 149.818456] ? lock_downgrade+0x860/0x860 [ 149.822602] ? _raw_spin_unlock+0x2c/0x50 [ 149.826742] ? __alloc_fd+0x189/0x460 [ 149.830535] do_sys_open+0x1dd/0x350 [ 149.834233] ? filp_open+0x50/0x50 [ 149.837763] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.843119] __x64_sys_open+0x79/0xb0 [ 149.846909] do_syscall_64+0xd0/0x4e0 [ 149.850700] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 149.855874] RIP: 0033:0x459fc9 [ 149.859068] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 149.877958] RSP: 002b:00007f0d4a683c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 149.885650] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459fc9 [ 149.892905] RDX: 0000000000000000 RSI: 0000000000141042 RDI: 0000000020000100 [ 149.900159] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 149.907432] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0d4a6846d4 [ 149.914686] R13: 00000000004fa7ff R14: 00000000004dc210 R15: 00000000ffffffff