[....] Starting OpenBSD Secure Shell server: sshd[ 18.205803] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.049302] random: sshd: uninitialized urandom read (32 bytes read) [ 23.347378] random: sshd: uninitialized urandom read (32 bytes read) [ 23.810050] sshd (4374) used greatest stack depth: 17176 bytes left [ 23.825995] random: sshd: uninitialized urandom read (32 bytes read) [ 25.441924] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.15.205' (ECDSA) to the list of known hosts. [ 30.866394] random: sshd: uninitialized urandom read (32 bytes read) 2018/08/04 21:44:19 parsed 1 programs [ 32.000540] random: cc1: uninitialized urandom read (8 bytes read) 2018/08/04 21:44:21 executed programs: 0 [ 33.284481] IPVS: ftp: loaded support on port[0] = 21 [ 33.286164] IPVS: ftp: loaded support on port[0] = 21 [ 33.292336] IPVS: ftp: loaded support on port[0] = 21 [ 33.298750] IPVS: ftp: loaded support on port[0] = 21 [ 33.308714] IPVS: ftp: loaded support on port[0] = 21 [ 33.315370] IPVS: ftp: loaded support on port[0] = 21 [ 33.321618] IPVS: ftp: loaded support on port[0] = 21 [ 33.324505] IPVS: ftp: loaded support on port[0] = 21 [ 34.047619] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.054067] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.065426] device bridge_slave_0 entered promiscuous mode [ 34.080481] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.086851] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.094793] device bridge_slave_0 entered promiscuous mode [ 34.115706] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.122084] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.138348] device bridge_slave_0 entered promiscuous mode [ 34.145249] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.151630] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.158534] device bridge_slave_1 entered promiscuous mode [ 34.173309] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.179670] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.186768] device bridge_slave_1 entered promiscuous mode [ 34.201266] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.207853] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.222290] device bridge_slave_0 entered promiscuous mode [ 34.229628] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.241962] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.248328] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.256292] device bridge_slave_0 entered promiscuous mode [ 34.264047] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.271378] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.277797] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.284910] device bridge_slave_1 entered promiscuous mode [ 34.291524] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.297928] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.306358] device bridge_slave_0 entered promiscuous mode [ 34.314000] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.320433] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.328060] device bridge_slave_0 entered promiscuous mode [ 34.335768] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.343740] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.351926] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.358286] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.367614] device bridge_slave_1 entered promiscuous mode [ 34.373958] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.380350] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.388146] device bridge_slave_0 entered promiscuous mode [ 34.395932] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.402361] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.409497] device bridge_slave_1 entered promiscuous mode [ 34.419196] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.425609] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.435515] device bridge_slave_1 entered promiscuous mode [ 34.443458] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.451545] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.459110] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.465459] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.472581] device bridge_slave_1 entered promiscuous mode [ 34.479797] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.492122] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.498471] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.510075] device bridge_slave_1 entered promiscuous mode [ 34.517283] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.525341] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.539756] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.547807] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 34.556653] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.565208] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.572418] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.603812] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.623621] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.641971] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.656808] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 34.677543] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.694233] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.704209] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.718137] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.740382] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.760528] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.776849] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.789008] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.807536] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.825109] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.835059] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.844409] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 34.851290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 34.867458] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 34.875731] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.883333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 34.892783] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.902648] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.920539] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 34.927413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 34.940595] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 34.947647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 34.965326] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 34.977613] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 34.984428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 34.998158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 35.011388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 35.020034] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.028167] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.037200] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.044195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 35.055347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.063573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.071366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.079987] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.087386] team0: Port device team_slave_0 added [ 35.092925] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.125611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.140407] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 35.147302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 35.162969] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.171286] team0: Port device team_slave_1 added [ 35.182417] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.189508] team0: Port device team_slave_0 added [ 35.205881] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.215688] team0: Port device team_slave_0 added [ 35.231040] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.239218] team0: Port device team_slave_0 added [ 35.249771] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.258199] team0: Port device team_slave_0 added [ 35.265704] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.273449] team0: Port device team_slave_1 added [ 35.280227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.292034] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.300155] team0: Port device team_slave_1 added [ 35.306754] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.313883] team0: Port device team_slave_0 added [ 35.319471] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.326652] team0: Port device team_slave_0 added [ 35.333423] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.340532] team0: Port device team_slave_1 added [ 35.348146] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.355507] team0: Port device team_slave_1 added [ 35.361996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.369511] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.379219] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.388979] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.396521] team0: Port device team_slave_1 added [ 35.403683] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.410743] team0: Port device team_slave_1 added [ 35.423561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.431566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.447379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.456096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.463691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.471638] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.485337] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.496349] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.516139] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.528878] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.544450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.563733] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.571437] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.579294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.587128] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.594683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.602228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.609904] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.626932] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.634943] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.647159] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 35.655733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.664393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.674266] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.681880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.689830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.697829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.707376] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 35.714708] team0: Port device team_slave_0 added [ 35.727012] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 35.735240] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.751641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.770413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.780954] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.791455] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.807522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.821172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.834388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.842337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.851803] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 35.858998] team0: Port device team_slave_1 added [ 35.866009] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 35.873966] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.882775] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.892746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.905752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 35.917951] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.925821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.933656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.941536] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.953774] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 35.963167] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.976823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 35.996401] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 36.004964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 36.015913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.028242] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.050647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.068828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.088487] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 36.095630] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 36.104827] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.158274] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.165439] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.175897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 36.244748] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 36.252673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.269194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 36.364482] ip (5054) used greatest stack depth: 17160 bytes left [ 36.597980] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.604523] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.611536] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.617918] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.625845] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.633589] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.639970] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.646618] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.653054] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.660998] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.689485] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.695889] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.702573] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.708967] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.724196] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.785230] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.791638] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.798316] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.804681] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.820339] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.828381] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.834766] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.841425] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.847816] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.855766] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 36.897487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.909429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.925621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.938382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.945555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 36.956413] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.962801] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.969426] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.975773] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.984442] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 37.016408] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.022810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.029474] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.035838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.052418] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 37.184854] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.191254] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.197912] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.204278] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.220065] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 37.919533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.932989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 37.946473] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.383315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.435225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.459348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.580550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.651807] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.666213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.679398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.700363] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.714900] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.748417] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.811750] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.939343] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.948686] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 39.957708] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 39.964096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.983385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.991611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.998904] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.006935] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.016277] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.032327] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.040202] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.047571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.058777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.095937] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.102137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.111740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.199520] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.215234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.225530] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.251320] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.272542] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.305529] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.312635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.323320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.345634] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.355969] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.365431] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.372457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.384511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.419677] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.470371] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.544819] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 40.551144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.558630] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.595094] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.636283] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.854122] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.770573] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.786340] [ 41.787983] ============================================ [ 41.793415] WARNING: possible recursive locking detected [ 41.798841] 4.18.0-rc7+ #176 Not tainted [ 41.802876] -------------------------------------------- [ 41.808299] syz-executor4/6391 is trying to acquire lock: [ 41.813815] (____ptrval____) (&team->lock){+.+.}, at: team_vlan_rx_add_vid+0x3b/0x1e0 [ 41.821771] [ 41.821771] but task is already holding lock: [ 41.827714] (____ptrval____) (&team->lock){+.+.}, at: team_add_slave+0xdb/0x1c30 [ 41.835232] [ 41.835232] other info that might help us debug this: [ 41.841870] Possible unsafe locking scenario: [ 41.841870] [ 41.847901] CPU0 [ 41.850457] ---- [ 41.853017] lock(&team->lock); [ 41.856365] lock(&team->lock); [ 41.859711] [ 41.859711] *** DEADLOCK *** [ 41.859711] [ 41.865746] May be due to missing lock nesting notation [ 41.865746] [ 41.872650] 2 locks held by syz-executor4/6391: [ 41.877297] #0: (____ptrval____) (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x412/0xc30 [ 41.885430] #1: (____ptrval____) (&team->lock){+.+.}, at: team_add_slave+0xdb/0x1c30 [ 41.893400] [ 41.893400] stack backtrace: [ 41.897874] CPU: 1 PID: 6391 Comm: syz-executor4 Not tainted 4.18.0-rc7+ #176 [ 41.905123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.914452] Call Trace: [ 41.917027] dump_stack+0x1c9/0x2b4 [ 41.920635] ? dump_stack_print_info.cold.2+0x52/0x52 [ 41.925803] ? team_add_slave+0xdb/0x1c30 [ 41.929927] ? vprintk_func+0x81/0xe7 [ 41.933709] __lock_acquire.cold.64+0x1fb/0x486 [ 41.938357] ? print_usage_bug+0xc0/0xc0 [ 41.942398] ? trace_hardirqs_on+0x10/0x10 [ 41.946611] ? __lock_acquire+0x7fc/0x5020 [ 41.950821] ? trace_hardirqs_on+0x10/0x10 [ 41.955037] ? graph_lock+0x170/0x170 [ 41.958824] ? __lock_is_held+0xb5/0x140 [ 41.962864] ? trace_hardirqs_on+0x10/0x10 [ 41.967077] ? __lock_is_held+0xb5/0x140 [ 41.971116] ? __account_cfs_rq_runtime+0x770/0x770 [ 41.976108] ? set_next_entity+0x30c/0xc70 [ 41.980320] ? trace_hardirqs_on+0x10/0x10 [ 41.984534] ? trace_hardirqs_on+0x10/0x10 [ 41.988746] ? graph_lock+0x170/0x170 [ 41.992522] ? graph_lock+0x170/0x170 [ 41.996298] ? __enqueue_entity+0x10d/0x1f0 [ 42.000597] lock_acquire+0x1e4/0x540 [ 42.004375] ? team_vlan_rx_add_vid+0x3b/0x1e0 [ 42.008934] ? lock_release+0xa30/0xa30 [ 42.012887] ? check_same_owner+0x340/0x340 [ 42.017186] ? rcu_note_context_switch+0x730/0x730 [ 42.022096] ? team_vlan_rx_add_vid+0x3b/0x1e0 [ 42.026657] __mutex_lock+0x176/0x1820 [ 42.030521] ? team_vlan_rx_add_vid+0x3b/0x1e0 [ 42.035079] ? lock_downgrade+0x8f0/0x8f0 [ 42.039208] ? team_vlan_rx_add_vid+0x3b/0x1e0 [ 42.043768] ? mutex_trylock+0x2b0/0x2b0 [ 42.047808] ? mark_held_locks+0xc9/0x160 [ 42.051935] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 42.056498] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 42.061577] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.066569] ? trace_hardirqs_on+0xd/0x10 [ 42.070693] ? depot_save_stack+0x291/0x470 [ 42.074991] ? save_stack+0xa9/0xd0 [ 42.078601] ? save_stack+0x43/0xd0 [ 42.082208] ? kasan_kmalloc+0xc4/0xe0 [ 42.086074] ? kmem_cache_alloc_trace+0x152/0x780 [ 42.090892] ? vlan_vid_add+0x5b3/0x9d0 [ 42.094840] ? vlan_device_event.cold.12+0x2a/0x2f [ 42.099746] ? notifier_call_chain+0x180/0x390 [ 42.104306] ? raw_notifier_call_chain+0x2d/0x40 [ 42.109043] ? call_netdevice_notifiers_info+0x3f/0x90 [ 42.114295] ? dev_open+0x173/0x1b0 [ 42.117899] ? team_add_slave+0xa8b/0x1c30 [ 42.122117] ? do_set_master+0x1c9/0x220 [ 42.126154] ? do_setlink+0xba4/0x3e10 [ 42.130032] ? rtnl_setlink+0x2a9/0x400 [ 42.133982] ? rtnetlink_rcv_msg+0x46e/0xc30 [ 42.138370] ? netlink_rcv_skb+0x172/0x440 [ 42.142588] ? rtnetlink_rcv+0x1c/0x20 [ 42.146454] ? netlink_unicast+0x5a0/0x760 [ 42.150668] ? netlink_sendmsg+0xa18/0xfd0 [ 42.154878] ? sock_sendmsg+0xd5/0x120 [ 42.158750] ? ___sys_sendmsg+0x7fd/0x930 [ 42.162875] ? __sys_sendmsg+0x11d/0x290 [ 42.166910] ? __x64_sys_sendmsg+0x78/0xb0 [ 42.171124] ? do_syscall_64+0x1b9/0x820 [ 42.175171] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.180515] ? print_usage_bug+0xc0/0xc0 [ 42.184555] ? graph_lock+0x170/0x170 [ 42.188341] ? __lock_is_held+0xb5/0x140 [ 42.192382] ? __lock_is_held+0xb5/0x140 [ 42.196432] mutex_lock_nested+0x16/0x20 [ 42.200473] ? mutex_lock_nested+0x16/0x20 [ 42.204686] team_vlan_rx_add_vid+0x3b/0x1e0 [ 42.209073] vlan_add_rx_filter_info+0x14a/0x1d0 [ 42.213805] vlan_vid_add+0x63e/0x9d0 [ 42.217585] ? vlan_filter_push_vids+0x280/0x280 [ 42.222327] ? vprintk_default+0x28/0x30 [ 42.226364] ? vprintk_func+0x81/0xe7 [ 42.230153] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 42.234891] vlan_device_event.cold.12+0x2a/0x2f [ 42.239625] ? rcu_is_watching+0x8c/0x150 [ 42.243749] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 42.248148] ? unregister_vlan_dev+0x540/0x540 [ 42.252712] ? packet_notifier+0x654/0xa00 [ 42.256931] ? __lock_is_held+0xb5/0x140 [ 42.260969] ? packet_getname_spkt+0x2c0/0x2c0 [ 42.265533] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 42.271048] ? cgw_notifier+0xf0/0x4f0 [ 42.274914] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 42.280433] ? brnf_device_event+0x347/0x550 [ 42.284820] ? cangw_pernet_exit+0x30/0x30 [ 42.289035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 42.294550] ? ip_vs_dst_event+0x25c/0x690 [ 42.298761] ? mutex_unlock+0xd/0x10 [ 42.302798] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 42.308315] notifier_call_chain+0x180/0x390 [ 42.312705] ? unregister_die_notifier+0x20/0x20 [ 42.317438] ? rtmsg_ifinfo_build_skb+0xc8/0x190 [ 42.322176] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 42.327691] ? rtnl_is_locked+0xb5/0xf0 [ 42.331642] ? rtnl_trylock+0x20/0x20 [ 42.335423] raw_notifier_call_chain+0x2d/0x40 [ 42.339984] call_netdevice_notifiers_info+0x3f/0x90 [ 42.345067] dev_open+0x173/0x1b0 [ 42.348502] ? __dev_open+0x410/0x410 [ 42.352282] team_add_slave+0xa8b/0x1c30 [ 42.356323] ? team_uninit+0x1b0/0x1b0 [ 42.360186] ? rtnl_is_locked+0xb5/0xf0 [ 42.364138] ? rtnl_trylock+0x20/0x20 [ 42.367929] ? validate_linkmsg+0x277/0xa40 [ 42.372230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.377753] ? netdev_master_upper_dev_get+0x173/0x250 [ 42.383018] ? __dev_get_by_flags+0x1d0/0x1d0 [ 42.387501] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 42.392497] ? team_uninit+0x1b0/0x1b0 [ 42.396361] do_set_master+0x1c9/0x220 [ 42.400229] do_setlink+0xba4/0x3e10 [ 42.403938] ? lock_downgrade+0x8f0/0x8f0 [ 42.408064] ? validate_linkmsg+0xa40/0xa40 [ 42.412363] ? rcu_is_watching+0x8c/0x150 [ 42.416492] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 42.420883] ? kasan_check_write+0x14/0x20 [ 42.425106] ? osq_unlock+0x9f/0x330 [ 42.428798] ? osq_lock+0xc60/0xc60 [ 42.432405] ? kasan_check_read+0x11/0x20 [ 42.436529] ? rcu_is_watching+0x8c/0x150 [ 42.440652] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 42.445048] ? __mutex_lock+0x1381/0x1820 [ 42.449175] ? rtnetlink_rcv_msg+0x412/0xc30 [ 42.453560] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 42.458729] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 42.463724] ? validate_nla+0x2d9/0x7b0 [ 42.467679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.473192] ? nla_parse+0x32b/0x4b0 [ 42.476884] ? validate_nla+0x7b0/0x7b0 [ 42.480844] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 42.485838] rtnl_setlink+0x2a9/0x400 [ 42.489627] ? do_setlink+0x3e10/0x3e10 [ 42.493585] ? rcu_is_watching+0x8c/0x150 [ 42.497708] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 42.502096] ? do_setlink+0x3e10/0x3e10 [ 42.506047] rtnetlink_rcv_msg+0x46e/0xc30 [ 42.510258] ? rtnetlink_put_metrics+0x690/0x690 [ 42.514993] netlink_rcv_skb+0x172/0x440 [ 42.519036] ? rtnetlink_put_metrics+0x690/0x690 [ 42.523768] ? netlink_ack+0xbe0/0xbe0 [ 42.527631] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 42.532026] rtnetlink_rcv+0x1c/0x20 [ 42.535718] netlink_unicast+0x5a0/0x760 [ 42.539756] ? netlink_attachskb+0x9a0/0x9a0 [ 42.544146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.549660] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 42.554664] netlink_sendmsg+0xa18/0xfd0 [ 42.558706] ? netlink_unicast+0x760/0x760 [ 42.562919] ? move_addr_to_kernel.part.20+0x100/0x100 [ 42.568175] ? security_socket_sendmsg+0x94/0xc0 [ 42.572908] ? netlink_unicast+0x760/0x760 [ 42.577121] sock_sendmsg+0xd5/0x120 [ 42.580814] ___sys_sendmsg+0x7fd/0x930 [ 42.584769] ? copy_msghdr_from_user+0x580/0x580 [ 42.589505] ? lock_downgrade+0x8f0/0x8f0 [ 42.593630] ? __fget_light+0x2f7/0x440 [ 42.597579] ? fget_raw+0x20/0x20 [ 42.601014] ? __fd_install+0x2db/0x880 [ 42.604975] ? get_unused_fd_flags+0x1a0/0x1a0 [ 42.609536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 42.615056] ? sockfd_lookup_light+0xc5/0x160 [ 42.619532] __sys_sendmsg+0x11d/0x290 [ 42.623395] ? __ia32_sys_shutdown+0x80/0x80 [ 42.627781] ? __x64_sys_futex+0x47f/0x6a0 [ 42.631992] ? fd_install+0x4d/0x60 [ 42.635603] ? ksys_ioctl+0x81/0xd0 [ 42.639208] __x64_sys_sendmsg+0x78/0xb0 [ 42.643247] do_syscall_64+0x1b9/0x820 [ 42.647113] ? syscall_return_slowpath+0x5e0/0x5e0 [ 42.652029] ? syscall_return_slowpath+0x31d/0x5e0 [ 42.656942] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 42.662283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.667104] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.672269] RIP: 0033:0x456b29 [ 42.675433] Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.694524] RSP: 002b:00007f9706bf8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.702217] RAX: ffffffffffffffda RBX: 00007f9706bf96d4 RCX: 0000000000456b29 [ 42.709465] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 42.716711] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 42.723954] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 42.731199] R13: 00000000004d3548 R14: 00000000004c8227 R15: 0000000000000000