[ 31.717912] audit: type=1800 audit(1578284381.716:33): pid=6991 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 31.744906] audit: type=1800 audit(1578284381.726:34): pid=6991 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.468403] random: sshd: uninitialized urandom read (32 bytes read) [ 35.816666] audit: type=1400 audit(1578284385.816:35): avc: denied { map } for pid=7164 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 35.866640] random: sshd: uninitialized urandom read (32 bytes read) [ 36.469913] random: sshd: uninitialized urandom read (32 bytes read) [ 894.672097] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. [ 900.243979] random: sshd: uninitialized urandom read (32 bytes read) [ 900.364708] audit: type=1400 audit(1578285250.366:36): avc: denied { map } for pid=7176 comm="syz-executor142" path="/root/syz-executor142863081" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 900.621075] IPVS: ftp: loaded support on port[0] = 21 [ 901.406518] audit: type=1400 audit(1578285251.406:37): avc: denied { create } for pid=7185 comm="syz-executor142" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 901.431379] audit: type=1400 audit(1578285251.406:38): avc: denied { write } for pid=7185 comm="syz-executor142" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 901.455361] audit: type=1400 audit(1578285251.406:39): avc: denied { read } for pid=7185 comm="syz-executor142" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 901.481986] IPVS: ftp: loaded support on port[0] = 21 [ 901.541416] chnl_net:caif_netlink_parms(): no params data found [ 901.592911] IPVS: ftp: loaded support on port[0] = 21 [ 901.634314] bridge0: port 1(bridge_slave_0) entered blocking state [ 901.641471] bridge0: port 1(bridge_slave_0) entered disabled state [ 901.648481] device bridge_slave_0 entered promiscuous mode [ 901.655163] chnl_net:caif_netlink_parms(): no params data found [ 901.667806] bridge0: port 2(bridge_slave_1) entered blocking state [ 901.674557] bridge0: port 2(bridge_slave_1) entered disabled state [ 901.682087] device bridge_slave_1 entered promiscuous mode [ 901.708381] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 901.718905] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 901.746854] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 901.756071] team0: Port device team_slave_0 added [ 901.766722] IPVS: ftp: loaded support on port[0] = 21 [ 901.773788] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 901.783658] team0: Port device team_slave_1 added [ 901.804713] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 901.827059] bridge0: port 1(bridge_slave_0) entered blocking state [ 901.833734] bridge0: port 1(bridge_slave_0) entered disabled state [ 901.841092] device bridge_slave_0 entered promiscuous mode [ 901.849616] bridge0: port 2(bridge_slave_1) entered blocking state [ 901.856041] bridge0: port 2(bridge_slave_1) entered disabled state [ 901.863275] device bridge_slave_1 entered promiscuous mode [ 901.870507] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 901.942577] device hsr_slave_0 entered promiscuous mode [ 901.980328] device hsr_slave_1 entered promiscuous mode [ 902.044852] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 902.054097] chnl_net:caif_netlink_parms(): no params data found [ 902.064174] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 902.072080] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 902.079475] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 902.120161] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 902.127256] team0: Port device team_slave_0 added [ 902.142604] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 902.150540] team0: Port device team_slave_1 added [ 902.151340] IPVS: ftp: loaded support on port[0] = 21 [ 902.156087] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 902.177639] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 902.262058] device hsr_slave_0 entered promiscuous mode [ 902.300379] device hsr_slave_1 entered promiscuous mode [ 902.373434] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 902.414604] bridge0: port 1(bridge_slave_0) entered blocking state [ 902.421107] bridge0: port 1(bridge_slave_0) entered disabled state [ 902.428148] device bridge_slave_0 entered promiscuous mode [ 902.435591] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 902.455703] bridge0: port 2(bridge_slave_1) entered blocking state [ 902.462282] bridge0: port 2(bridge_slave_1) entered disabled state [ 902.469199] device bridge_slave_1 entered promiscuous mode [ 902.493376] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 902.501615] chnl_net:caif_netlink_parms(): no params data found [ 902.535774] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 902.564590] IPVS: ftp: loaded support on port[0] = 21 [ 902.579296] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 902.586726] team0: Port device team_slave_0 added [ 902.594342] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 902.602208] team0: Port device team_slave_1 added [ 902.616461] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 902.627668] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 902.647044] bridge0: port 1(bridge_slave_0) entered blocking state [ 902.653620] bridge0: port 1(bridge_slave_0) entered disabled state [ 902.661830] device bridge_slave_0 entered promiscuous mode [ 902.695324] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 902.709380] bridge0: port 2(bridge_slave_1) entered blocking state [ 902.715973] bridge0: port 2(bridge_slave_1) entered disabled state [ 902.723451] device bridge_slave_1 entered promiscuous mode [ 902.785394] chnl_net:caif_netlink_parms(): no params data found [ 902.833328] device hsr_slave_0 entered promiscuous mode [ 902.870665] device hsr_slave_1 entered promiscuous mode [ 902.940874] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 902.948226] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 902.962133] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 903.000485] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 903.009488] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 903.088582] chnl_net:caif_netlink_parms(): no params data found [ 903.108361] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 903.116004] team0: Port device team_slave_0 added [ 903.138850] bridge0: port 1(bridge_slave_0) entered blocking state [ 903.146225] bridge0: port 1(bridge_slave_0) entered disabled state [ 903.154767] device bridge_slave_0 entered promiscuous mode [ 903.161497] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 903.168563] team0: Port device team_slave_1 added [ 903.194094] bridge0: port 2(bridge_slave_1) entered blocking state [ 903.200799] bridge0: port 2(bridge_slave_1) entered disabled state [ 903.207803] device bridge_slave_1 entered promiscuous mode [ 903.223337] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 903.232666] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 903.249588] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 903.258580] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 903.342145] device hsr_slave_0 entered promiscuous mode [ 903.400320] device hsr_slave_1 entered promiscuous mode [ 903.441039] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 903.448593] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 903.461979] bridge0: port 1(bridge_slave_0) entered blocking state [ 903.468344] bridge0: port 1(bridge_slave_0) entered disabled state [ 903.475471] device bridge_slave_0 entered promiscuous mode [ 903.482493] bridge0: port 2(bridge_slave_1) entered blocking state [ 903.488874] bridge0: port 2(bridge_slave_1) entered disabled state [ 903.496387] device bridge_slave_1 entered promiscuous mode [ 903.508216] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 903.518069] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 903.525635] team0: Port device team_slave_0 added [ 903.549010] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 903.556816] team0: Port device team_slave_1 added [ 903.563100] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 903.578965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 903.588236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 903.601455] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 903.621803] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 903.634344] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 903.644208] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 903.668769] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 903.688464] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 903.695935] team0: Port device team_slave_0 added [ 903.711386] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 903.722185] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 903.728664] 8021q: adding VLAN 0 to HW filter on device team0 [ 903.736749] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 903.746591] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 903.754151] team0: Port device team_slave_1 added [ 903.759673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 903.767481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 903.774635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 903.781707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 903.823776] device hsr_slave_0 entered promiscuous mode [ 903.880551] device hsr_slave_1 entered promiscuous mode [ 903.930858] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 903.938151] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 903.946012] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 903.957901] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 903.964465] 8021q: adding VLAN 0 to HW filter on device team0 [ 903.971486] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 903.979436] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 903.986319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 903.995075] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 904.002981] bridge0: port 1(bridge_slave_0) entered blocking state [ 904.009527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 904.024381] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 904.033611] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 904.041802] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 904.049664] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 904.056910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 904.064877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 904.073207] bridge0: port 2(bridge_slave_1) entered blocking state [ 904.079571] bridge0: port 2(bridge_slave_1) entered forwarding state [ 904.087050] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 904.094822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 904.102581] bridge0: port 1(bridge_slave_0) entered blocking state [ 904.108953] bridge0: port 1(bridge_slave_0) entered forwarding state [ 904.116563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 904.126526] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 904.192218] device hsr_slave_0 entered promiscuous mode [ 904.230477] device hsr_slave_1 entered promiscuous mode [ 904.271297] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 904.278453] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 904.287896] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 904.295677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 904.303414] bridge0: port 2(bridge_slave_1) entered blocking state [ 904.310104] bridge0: port 2(bridge_slave_1) entered forwarding state [ 904.325274] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 904.333162] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 904.355334] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 904.364793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 904.373655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 904.381492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 904.392255] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 904.406775] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 904.422870] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 904.431643] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 904.439352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 904.448072] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 904.456069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 904.464004] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 904.471876] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 904.478808] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 904.489538] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 904.508059] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 904.518466] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 904.527056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 904.535633] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 904.544235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 904.551905] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 904.559437] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 904.567489] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 904.607206] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 904.619229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 904.630176] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 904.640714] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 904.647562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 904.656014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 904.663529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 904.671218] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 904.678639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 904.686362] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 904.695649] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 904.701768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 904.718263] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 904.728399] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 904.738953] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 904.748377] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 904.757175] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 904.764162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 904.771275] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 904.778010] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 904.790333] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 904.798431] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 904.812829] 8021q: adding VLAN 0 to HW filter on device bond0 [ 904.827544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 904.834629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 904.845565] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 904.851951] 8021q: adding VLAN 0 to HW filter on device team0 [ 904.861120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 904.869675] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 904.878839] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 904.888261] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 904.894917] 8021q: adding VLAN 0 to HW filter on device team0 [ 904.902493] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 904.909365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 904.936639] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 904.947529] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 904.956388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 904.965704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 904.973559] bridge0: port 1(bridge_slave_0) entered blocking state [ 904.979913] bridge0: port 1(bridge_slave_0) entered forwarding state [ 904.986992] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 904.995075] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 905.002725] bridge0: port 1(bridge_slave_0) entered blocking state [ 905.009087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 905.017394] 8021q: adding VLAN 0 to HW filter on device bond0 [ 905.027174] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 905.036060] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 905.046333] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 905.057045] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 905.064887] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 905.072394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 905.080290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 905.087822] bridge0: port 2(bridge_slave_1) entered blocking state [ 905.094348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 905.103922] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 905.112611] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 905.122322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 905.131442] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 905.140363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 905.147282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 905.154707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 905.162716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 905.170602] bridge0: port 2(bridge_slave_1) entered blocking state [ 905.177008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 905.184077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 905.192196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 905.198848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 905.207742] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 905.214679] 8021q: adding VLAN 0 to HW filter on device team0 [ 905.223771] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 905.234691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 905.245762] 8021q: adding VLAN 0 to HW filter on device bond0 [ 905.257700] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 905.266796] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 905.276194] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 905.286416] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 905.296715] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 905.304721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 905.315998] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 905.324104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 905.332037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 905.339746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 905.347834] bridge0: port 1(bridge_slave_0) entered blocking state [ 905.354239] bridge0: port 1(bridge_slave_0) entered forwarding state [ 905.361470] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 905.369171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 905.377125] bridge0: port 2(bridge_slave_1) entered blocking state [ 905.383520] bridge0: port 2(bridge_slave_1) entered forwarding state [ 905.390523] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 905.397402] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 905.405075] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 905.417115] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 905.426609] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 905.436817] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 905.444460] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 905.452907] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 905.460782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 905.468370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 905.477506] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 905.487022] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 905.495903] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 905.504386] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 905.514561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 905.521751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 905.528675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 905.536367] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 905.543948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 905.551995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 905.559492] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 905.572530] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 905.578627] 8021q: adding VLAN 0 to HW filter on device team0 [ 905.585738] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 905.596771] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 905.606889] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 905.616631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 905.627838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 905.636322] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 905.645789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 905.654252] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 905.663011] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 905.669856] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 905.677205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 905.684656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 905.694939] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 905.703343] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 905.714387] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 905.725603] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 905.732516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 905.740705] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 905.748254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 905.760908] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 905.775699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 905.785383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 905.794862] bridge0: port 1(bridge_slave_0) entered blocking state [ 905.801253] bridge0: port 1(bridge_slave_0) entered forwarding state [ 905.808148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 905.816783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 905.824815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 905.832785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 905.842263] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 905.850288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 905.857310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 905.865198] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 905.878739] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 905.888756] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 905.895477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 905.909597] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 905.918421] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 905.926322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 905.936700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 905.946657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 905.954285] bridge0: port 2(bridge_slave_1) entered blocking state [ 905.960674] bridge0: port 2(bridge_slave_1) entered forwarding state [ 905.967640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 905.974761] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 905.982069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 905.989620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 906.000938] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 906.008236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 906.021192] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 906.029807] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 906.041180] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 906.047403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 906.057046] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 906.067315] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 906.080808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 906.088226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 906.097185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 906.105714] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 906.121529] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 906.130561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 906.138176] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 906.149709] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 906.158382] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 906.168484] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 906.176376] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 906.187804] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 906.199260] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 906.206850] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 906.214473] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 906.222520] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 906.229629] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 906.239215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 906.247184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 906.254701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 906.261761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 906.269708] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 906.279028] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 906.294309] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 906.307749] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 906.317526] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 906.334931] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 906.342373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 906.349659] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 906.359489] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 906.371010] device veth0_vlan entered promiscuous mode [ 906.385749] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 906.393494] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 906.400761] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 906.406979] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 906.414813] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 906.423295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 906.431067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 906.439703] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 906.451247] device veth1_vlan entered promiscuous mode [ 906.457185] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 906.467168] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 906.476837] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 906.493093] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 906.500858] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 906.508430] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 906.517633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 906.525278] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 906.533454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 906.541331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 906.551002] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 906.557009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 906.566257] device veth0_vlan entered promiscuous mode [ 906.573919] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 906.581757] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 906.597614] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready executing program [ 906.614271] device veth1_vlan entered promiscuous mode [ 906.626100] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready executing program executing program [ 906.663955] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 906.673450] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 906.689684] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 906.697545] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready executing program executing program [ 906.716609] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 906.729452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 906.740009] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 906.749465] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready executing program executing program executing program [ 906.765432] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready executing program executing program executing program [ 906.808898] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 906.825530] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready executing program [ 906.860058] hrtimer: interrupt took 39597 ns executing program [ 1011.830022] INFO: rcu_preempt self-detected stall on CPU [ 1011.836257] 1-...: (10500 ticks this GP) idle=3ea/140000000000002/0 softirq=11786/11793 fqs=3 [ 1011.845092] (t=10500 jiffies g=1472 c=1471 q=536) [ 1011.850109] rcu_preempt kthread starved for 10493 jiffies! g1472 c1471 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 [ 1011.860591] rcu_preempt R running task 29824 8 2 0x80000000 [ 1011.867859] Call Trace: [ 1011.870545] __schedule+0x7b8/0x1cd0 [ 1011.874291] ? firmware_map_remove+0x196/0x196 [ 1011.878863] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1011.883962] schedule+0x92/0x1c0 [ 1011.887343] schedule_timeout+0x43e/0xe10 [ 1011.891500] ? usleep_range+0x130/0x130 [ 1011.895488] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1011.900698] ? prepare_to_swait+0xcc/0x100 [ 1011.904960] ? call_timer_fn+0x670/0x670 [ 1011.909079] rcu_gp_kthread+0xbf4/0x1ec0 [ 1011.913164] ? force_qs_rnp+0x4d0/0x4d0 [ 1011.917193] kthread+0x319/0x430 [ 1011.920562] ? force_qs_rnp+0x4d0/0x4d0 [ 1011.924543] ? kthread_create_on_node+0xd0/0xd0 [ 1011.929224] ret_from_fork+0x24/0x30 [ 1011.933097] NMI backtrace for cpu 1 [ 1011.936988] CPU: 1 PID: 7308 Comm: syz-executor142 Not tainted 4.14.162-syzkaller #0 [ 1011.944845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1011.954181] Call Trace: [ 1011.956801] [ 1011.958971] dump_stack+0x142/0x197 [ 1011.962581] nmi_cpu_backtrace.cold+0x57/0x94 [ 1011.967106] ? irq_force_complete_move.cold+0x7d/0x7d [ 1011.972322] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1011.977579] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1011.982748] rcu_dump_cpu_stacks+0x186/0x1d2 [ 1011.987403] rcu_check_callbacks.cold+0x43d/0xd0a [ 1011.992250] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1011.997703] update_process_times+0x31/0x70 [ 1012.002082] tick_sched_handle+0x85/0x160 [ 1012.006379] tick_sched_timer+0x43/0x130 [ 1012.010441] __hrtimer_run_queues+0x270/0xbc0 [ 1012.014923] ? tick_sched_do_timer+0xe0/0xe0 [ 1012.019328] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 1012.024330] hrtimer_interrupt+0x1d8/0x5d0 [ 1012.028615] smp_apic_timer_interrupt+0x11c/0x5e0 [ 1012.033446] apic_timer_interrupt+0x96/0xa0 [ 1012.037775] RIP: 0010:should_failslab+0x2b/0x130 [ 1012.042508] RSP: 0018:ffff8880aed079f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 1012.050203] RAX: 1ffffffff1355293 RBX: ffff8880aa8004c0 RCX: 0000000000000002 [ 1012.057480] RDX: dffffc0000000000 RSI: 0000000001080020 RDI: ffff8880aa8004c0 [ 1012.064729] RBP: ffff8880aed07a00 R08: 1ffffd1ffffb10f0 R09: ffffe8ffffd88780 [ 1012.072760] R10: fffff91ffffb10f0 R11: ffffe8ffffd88787 R12: 0000000001080020 [ 1012.080010] R13: ffff8880aa8004c0 R14: ffffffff87594241 R15: 0000000001080020 [ 1012.087270] kmem_cache_alloc_trace+0x4b/0x790 [ 1012.091886] dst_cow_metrics_generic+0x4d/0x140 [ 1012.096886] ipv6_cow_metrics+0x78/0x180 [ 1012.100929] icmp6_dst_alloc+0x3f6/0x580 [ 1012.104991] ndisc_send_skb+0xc0f/0x11e0 [ 1012.109032] ? ndisc_error_report+0x190/0x190 [ 1012.113507] ? __ndisc_fill_addr_option+0xf0/0x120 [ 1012.118416] ndisc_send_rs+0x12b/0x670 [ 1012.122414] addrconf_rs_timer+0x289/0x5a0 [ 1012.126669] ? __lock_is_held+0xb6/0x140 [ 1012.130732] ? check_preemption_disabled+0x3c/0x250 [ 1012.135737] ? ipv6_get_lladdr+0x3e0/0x3e0 [ 1012.139951] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1012.145378] call_timer_fn+0x161/0x670 [ 1012.149352] ? ipv6_get_lladdr+0x3e0/0x3e0 [ 1012.153577] ? __next_timer_interrupt+0x140/0x140 [ 1012.158407] ? trace_hardirqs_on_caller+0x19b/0x590 [ 1012.163412] run_timer_softirq+0x5b7/0x1520 [ 1012.168180] ? ipv6_get_lladdr+0x3e0/0x3e0 [ 1012.172406] ? add_timer+0xae0/0xae0 [ 1012.176109] ? __lock_is_held+0xb6/0x140 [ 1012.180164] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1012.185594] __do_softirq+0x244/0x9a0 [ 1012.189430] ? sched_clock+0x2e/0x50 [ 1012.193169] irq_exit+0x160/0x1b0 [ 1012.196621] smp_apic_timer_interrupt+0x146/0x5e0 [ 1012.201444] apic_timer_interrupt+0x96/0xa0 [ 1012.205742] [ 1012.207970] RIP: 0010:lock_acquire+0x1f3/0x430 [ 1012.212538] RSP: 0018:ffff888098057cf0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 1012.221354] RAX: 1ffffffff0fe2d29 RBX: ffff888096590180 RCX: 000000001ce5e127 [ 1012.228617] RDX: dffffc0000000000 RSI: ffff888096590a28 RDI: 0000000000000282 [ 1012.235864] RBP: ffff888098057d18 R08: 000000000000148d R09: ffffffff89578ea8 [ 1012.243126] R10: ffff888096590a28 R11: ffff888096590180 R12: ffff8880a9c39598 [ 1012.250384] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1012.257723] ? dput.part.0+0x2a/0x750 [ 1012.262042] _raw_spin_lock+0x2f/0x40 [ 1012.265874] ? list_lru_add+0x83/0x480 [ 1012.269762] list_lru_add+0x83/0x480 [ 1012.273464] ? dput.part.0+0x2a/0x750 [ 1012.277252] dput.part.0+0x62e/0x750 [ 1012.280966] ? seq_release+0x80/0x80 [ 1012.284660] dput+0x20/0x30 [ 1012.287623] __fput+0x45f/0x7a0 [ 1012.290895] ____fput+0x16/0x20 [ 1012.294154] task_work_run+0x114/0x190 [ 1012.298023] exit_to_usermode_loop+0x1da/0x220 [ 1012.302596] do_syscall_64+0x4bc/0x640 [ 1012.306459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1012.311305] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1012.316539] RIP: 0033:0x402b10 [ 1012.319726] RSP: 002b:00007ffc41d83b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1012.327898] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000402b10 [ 1012.335164] RDX: 0000000000002000 RSI: 0000000000000004 RDI: 0000000000000003 [ 1012.342418] RBP: 0000000000000000 R08: 0000000100000000 R09: 0000000100000000 [ 1012.349668] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000dd623 [ 1012.356926] R13: 0000000000403d40 R14: 0000000000000000 R15: 0000000000000000 [ 1012.364397] INFO: rcu_sched detected stalls on CPUs/tasks: [ 1012.370051] 1-...: (10502 ticks this GP) idle=3ea/140000000000001/0 softirq=11786/11793 fqs=4 executing program executing program [ 1012.378890] (detected by 0, t=10554 jiffies, g=929, c=928, q=11) [ 1012.385137] Sending NMI from CPU 0 to CPUs 1: [ 1012.390476] NMI backtrace for cpu 1 [ 1012.390480] CPU: 1 PID: 7308 Comm: syz-executor142 Not tainted 4.14.162-syzkaller #0 [ 1012.390484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1012.390487] task: ffff888096590180 task.stack: ffff888098050000 [ 1012.390489] RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x60 [ 1012.390492] RSP: 0018:ffff8880aed07830 EFLAGS: 00000002 executing program executing program executing program executing program [ 1012.390496] RAX: ffff888096590180 RBX: 0000000000000000 RCX: 0000000000000000 [ 1012.390499] RDX: 0000000000010100 RSI: ffffffff86cc4240 RDI: ffffffff87049280 [ 1012.390502] RBP: ffff8880aed07868 R08: ffff888096590180 R09: 0000000000000005 [ 1012.390505] R10: 0000000000000000 R11: ffff888096590180 R12: 0000000000000001 [ 1012.390508] R13: ffffffff86cc4240 R14: ffffffff87049280 R15: 000000ebb721560d [ 1012.390512] FS: 0000000001ed8880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 1012.390514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 executing program executing program executing program [ 1012.390517] CR2: 00000000006d4090 CR3: 0000000095b71000 CR4: 00000000001406e0 [ 1012.390520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1012.390523] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1012.390525] Call Trace: [ 1012.390526] [ 1012.390529] ? check_preemption_disabled+0x37/0x250 [ 1012.390531] ? lock_downgrade+0x740/0x740 [ 1012.390533] __this_cpu_preempt_check+0x1d/0x30 [ 1012.390535] tick_program_event+0x1f/0xe0 [ 1012.390537] hrtimer_interrupt+0x329/0x5d0 [ 1012.390540] smp_apic_timer_interrupt+0x11c/0x5e0 [ 1012.390542] apic_timer_interrupt+0x96/0xa0 [ 1012.390544] RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x60 [ 1012.390547] RSP: 0018:ffff8880aed07a58 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 [ 1012.390552] RAX: ffff888096590180 RBX: 1ffff11015da0f50 RCX: 1ffffffff0f837ad [ 1012.390555] RDX: 0000000000000000 RSI: ffffffff87049200 RDI: ffff8880aed2394c [ 1012.390558] RBP: ffff8880aed07b28 R08: 0000000000000001 R09: 0000000000000000 [ 1012.390561] R10: ffff888096590aa0 R11: ffff888096590180 R12: ffff8880aed07b00 [ 1012.390564] R13: 000000000000000a R14: 0000000000000001 R15: ffff888099085a00 [ 1012.390566] ? nf_hook.constprop.0+0x1b7/0x2c0 [ 1012.390569] ? pndisc_destructor+0x1d0/0x1d0 [ 1012.390571] ? nf_hook.constprop.0+0x2c0/0x2c0 [ 1012.390573] ndisc_send_skb+0x83b/0x11e0 [ 1012.390575] ? trace_hardirqs_on_caller+0x19b/0x590 [ 1012.390577] ? ndisc_error_report+0x190/0x190 [ 1012.390580] ? __ndisc_fill_addr_option+0xf0/0x120 [ 1012.390582] ndisc_send_rs+0x12b/0x670 [ 1012.390584] addrconf_rs_timer+0x289/0x5a0 [ 1012.390586] ? __lock_is_held+0xb6/0x140 [ 1012.390588] ? check_preemption_disabled+0x3c/0x250 [ 1012.390590] ? ipv6_get_lladdr+0x3e0/0x3e0 [ 1012.390593] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1012.390595] call_timer_fn+0x161/0x670 [ 1012.390597] ? ipv6_get_lladdr+0x3e0/0x3e0 [ 1012.390599] ? __next_timer_interrupt+0x140/0x140 [ 1012.390601] ? _raw_spin_unlock_irq+0x54/0x90 [ 1012.390604] run_timer_softirq+0x5b7/0x1520 [ 1012.390606] ? ipv6_get_lladdr+0x3e0/0x3e0 [ 1012.390608] ? add_timer+0xae0/0xae0 [ 1012.390610] ? __lock_is_held+0xb6/0x140 [ 1012.390612] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 1012.390614] __do_softirq+0x244/0x9a0 [ 1012.390616] ? sched_clock+0x2e/0x50 [ 1012.390618] irq_exit+0x160/0x1b0 [ 1012.390620] smp_apic_timer_interrupt+0x146/0x5e0 [ 1012.390622] apic_timer_interrupt+0x96/0xa0 [ 1012.390624] [ 1012.390626] RIP: 0010:lock_acquire+0x1f3/0x430 [ 1012.390628] RSP: 0018:ffff888098057cf0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 1012.390633] RAX: 1ffffffff0fe2d29 RBX: ffff888096590180 RCX: 000000001ce5e127 [ 1012.390636] RDX: dffffc0000000000 RSI: ffff888096590a28 RDI: 0000000000000282 [ 1012.390639] RBP: ffff888098057d18 R08: 000000000000148d R09: ffffffff89578ea8 [ 1012.390642] R10: ffff888096590a28 R11: ffff888096590180 R12: ffff8880a9c39598 [ 1012.390645] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1012.390647] ? dput.part.0+0x2a/0x750 [ 1012.390649] _raw_spin_lock+0x2f/0x40 [ 1012.390651] ? list_lru_add+0x83/0x480 [ 1012.390653] list_lru_add+0x83/0x480 [ 1012.390655] ? dput.part.0+0x2a/0x750 [ 1012.390657] dput.part.0+0x62e/0x750 [ 1012.390659] ? seq_release+0x80/0x80 [ 1012.390661] dput+0x20/0x30 [ 1012.390663] __fput+0x45f/0x7a0 [ 1012.390665] ____fput+0x16/0x20 [ 1012.390667] task_work_run+0x114/0x190 [ 1012.390669] exit_to_usermode_loop+0x1da/0x220 [ 1012.390671] do_syscall_64+0x4bc/0x640 [ 1012.390673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1012.390675] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1012.390677] RIP: 0033:0x402b10 [ 1012.390679] RSP: 002b:00007ffc41d83b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1012.390685] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000402b10 [ 1012.390688] RDX: 0000000000002000 RSI: 0000000000000004 RDI: 0000000000000003 [ 1012.390691] RBP: 0000000000000000 R08: 0000000100000000 R09: 0000000100000000 [ 1012.390694] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000dd623 [ 1012.390697] R13: 0000000000403d40 R14: 0000000000000000 R15: 0000000000000000 [ 1012.390698] Code: 4c 89 35 9b d7 4c 08 41 be f4 ff ff ff e8 23 33 ee ff 48 c7 05 85 d7 4c 08 00 00 00 00 e9 14 ec ff ff 65 48 8b 04 25 40 ee 01 00 <48> 85 c0 74 1a 65 8b 15 3b 9d a4 7e 81 e2 00 01 1f 00 75 0b 8b executing program [ 1012.516945] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1012.902657] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready executing program executing program [ 1012.928259] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1012.945094] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 1012.966274] device veth0_vlan entered promiscuous mode executing program [ 1013.203517] device veth1_vlan entered promiscuous mode [ 1013.215004] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1013.225513] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready executing program executing program executing program [ 1020.233573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1020.241503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1020.250007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1020.257625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1020.265082] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1020.272720] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1020.293168] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1020.300253] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1020.336548] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready executing program executing program [ 1020.379998] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 1020.400582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1020.413457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready