Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.896277] audit: type=1400 audit(1589764873.139:8): avc: denied { execmem } for pid=6286 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 31.177216] IPVS: ftp: loaded support on port[0] = 21 [ 32.310828] can: request_module (can-proto-0) failed. [ 32.319515] can: request_module (can-proto-0) failed. [ 32.328134] can: request_module (can-proto-0) failed. [ 32.353142] audit: type=1400 audit(1589764874.599:9): avc: denied { create } for pid=6265 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. 2020/05/18 01:21:22 parsed 1 programs 2020/05/18 01:21:22 executed programs: 0 [ 40.086639] audit: type=1400 audit(1589764882.332:10): avc: denied { execmem } for pid=6406 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.194415] IPVS: ftp: loaded support on port[0] = 21 [ 41.052441] IPVS: ftp: loaded support on port[0] = 21 [ 41.109279] chnl_net:caif_netlink_parms(): no params data found [ 41.156362] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.163254] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.171065] device bridge_slave_0 entered promiscuous mode [ 41.171524] IPVS: ftp: loaded support on port[0] = 21 [ 41.188027] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.194715] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.201596] device bridge_slave_1 entered promiscuous mode [ 41.260171] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.271026] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.290282] chnl_net:caif_netlink_parms(): no params data found [ 41.311707] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.321759] team0: Port device team_slave_0 added [ 41.330446] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.338464] team0: Port device team_slave_1 added [ 41.344795] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.367791] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.406718] device hsr_slave_0 entered promiscuous mode [ 41.443528] device hsr_slave_1 entered promiscuous mode [ 41.483607] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.489978] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.497781] device bridge_slave_0 entered promiscuous mode [ 41.505187] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.505378] IPVS: ftp: loaded support on port[0] = 21 [ 41.512754] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.525544] device bridge_slave_1 entered promiscuous mode [ 41.539964] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.557536] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.565668] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.579666] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.600086] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.607203] team0: Port device team_slave_0 added [ 41.615110] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.622119] team0: Port device team_slave_1 added [ 41.630483] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.645794] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.701179] chnl_net:caif_netlink_parms(): no params data found [ 41.715969] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.722613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.729597] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.736118] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.806152] IPVS: ftp: loaded support on port[0] = 21 [ 41.807703] device hsr_slave_0 entered promiscuous mode [ 41.853454] device hsr_slave_1 entered promiscuous mode [ 41.894020] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.901060] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.925226] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.932184] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.939648] device bridge_slave_0 entered promiscuous mode [ 41.946875] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.953479] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.960270] device bridge_slave_1 entered promiscuous mode [ 41.986372] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.046456] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.067726] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.076379] team0: Port device team_slave_0 added [ 42.087142] chnl_net:caif_netlink_parms(): no params data found [ 42.098347] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.105984] team0: Port device team_slave_1 added [ 42.113430] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.122233] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.185359] device hsr_slave_0 entered promiscuous mode [ 42.223389] device hsr_slave_1 entered promiscuous mode [ 42.264358] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.281671] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.296944] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.304782] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.332552] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.332966] IPVS: ftp: loaded support on port[0] = 21 [ 42.348720] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.375481] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.381891] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.389860] device bridge_slave_0 entered promiscuous mode [ 42.397224] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.403764] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.410550] device bridge_slave_1 entered promiscuous mode [ 42.455133] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.464976] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.474675] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.511909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.519553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.529889] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.536877] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.559320] chnl_net:caif_netlink_parms(): no params data found [ 42.578046] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.587868] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.605178] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.626502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.634624] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.642267] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.648679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.656181] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.665439] team0: Port device team_slave_0 added [ 42.671050] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.678573] team0: Port device team_slave_1 added [ 42.685820] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.728031] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.735614] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.744583] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.750955] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.759055] device bridge_slave_0 entered promiscuous mode [ 42.766579] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.808563] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.815896] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.822283] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.830911] device bridge_slave_1 entered promiscuous mode [ 42.838085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.846486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.854106] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.860627] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.898224] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.906695] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.946207] device hsr_slave_0 entered promiscuous mode [ 42.993226] device hsr_slave_1 entered promiscuous mode [ 43.034760] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.041922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.049216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.056418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.075220] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.085016] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.094509] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.101872] chnl_net:caif_netlink_parms(): no params data found [ 43.121794] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.130259] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.136818] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.144138] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.157536] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.169564] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.178511] team0: Port device team_slave_0 added [ 43.185066] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.195058] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.202129] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.210374] team0: Port device team_slave_1 added [ 43.217701] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.225278] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.235376] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.244047] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.251398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.259203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.267267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.275085] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.282618] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.289162] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.296136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.304322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.311833] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.318208] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.325000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.332490] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.340379] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.347666] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.355839] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.365215] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.371521] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.395001] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.401881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.409354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.416582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.425890] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.432066] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.446730] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.461326] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.470669] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.479822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.487727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.495685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.503569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.511239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.518838] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.525227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.540345] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.547815] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.554665] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.562494] device bridge_slave_0 entered promiscuous mode [ 43.569327] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.576334] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.583492] device bridge_slave_1 entered promiscuous mode [ 43.590143] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.598638] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.606018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.614098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.621444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.629529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.637378] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.644734] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.653628] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.659663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.706142] device hsr_slave_0 entered promiscuous mode [ 43.743062] device hsr_slave_1 entered promiscuous mode [ 43.784228] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.791288] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.806495] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.814225] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.827502] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.842404] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.857316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.865669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.874156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.881774] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.891196] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.900829] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.909898] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.918684] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.927132] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.937669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.945524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.954898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.962326] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.969219] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.977537] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.001219] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.010273] team0: Port device team_slave_0 added [ 44.016378] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.024258] team0: Port device team_slave_1 added [ 44.029326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.037453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.047347] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.056679] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.070497] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.078230] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.087657] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.094877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.102442] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.110389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.117891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.127304] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.137205] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.151424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.164855] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.177161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.185244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.193219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.200612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.211609] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.222456] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.265522] device hsr_slave_0 entered promiscuous mode [ 44.303370] device hsr_slave_1 entered promiscuous mode [ 44.353107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.360698] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.373945] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.382129] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.390892] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.397744] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.406068] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.415653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.423814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.431565] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.437792] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.445129] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.458932] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.469372] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.476696] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.485448] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.496907] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.511690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.521691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.530110] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.536491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.545826] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.556813] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.565474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.574062] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.580716] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.591393] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.599443] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.608130] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.614521] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.623747] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.636694] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.645813] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.660348] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.672702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.696126] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.701655] BUG: unable to handle kernel NULL pointer dereference at 0000000000000002 [ 44.709811] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.710086] IP: mem16_serial_out+0x61/0xa0 [ 44.718369] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.720375] PGD 90ae1067 P4D 90ae1067 PUD 90ae0067 PMD 0 [ 44.720388] Oops: 0002 [#1] PREEMPT SMP KASAN [ 44.731707] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.732052] Modules linked in: [ 44.732066] CPU: 1 PID: 7304 Comm: syz-executor.0 Not tainted 4.14.180-syzkaller #0 [ 44.732071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.738423] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.743079] task: ffff88808d19a500 task.stack: ffff8880833d8000 [ 44.743089] RIP: 0010:mem16_serial_out+0x61/0xa0 [ 44.743091] RSP: 0018:ffff8880833df8a0 EFLAGS: 00010202 [ 44.743095] RAX: dffffc0000000000 RBX: ffffffff8a45fe10 RCX: 1ffffffff148bfca [ 44.743097] RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffffff8a45fe50 [ 44.743099] RBP: ffff8880833df8b0 R08: ffff88808d19add0 R09: 0000000000000000 [ 44.743101] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8a45fe60 [ 44.743103] R13: ffffffff8a45fe10 R14: ffffffff8a45fe10 R15: ffffffff8a45fedc [ 44.743106] FS: 00007f3dd0dd4700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 44.743108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.743110] CR2: 0000000000000002 CR3: 000000008d5b2000 CR4: 00000000001406e0 [ 44.743115] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.743117] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.743118] Call Trace: [ 44.743126] serial8250_clear_fifos.part.7+0x35/0xb0 [ 44.743132] serial8250_do_startup+0x34c/0x1b10 [ 44.743138] serial8250_startup+0x39/0x50 [ 44.743141] uart_startup.part.20+0x2a0/0x710 [ 44.743146] uart_ioctl+0x127e/0x2b90 [ 44.754823] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.763444] ? uart_port_activate+0x1d0/0x1d0 [ 44.763449] ? __might_fault+0xf1/0x1b0 [ 44.763458] tty_ioctl+0x434/0x1260 [ 44.763463] ? avc_ss_reset+0xd0/0xd0 [ 44.763467] ? tty_vhangup+0x20/0x20 [ 44.763474] ? __lock_acquire+0x6a4/0x4500 [ 44.763478] ? trace_hardirqs_on+0x10/0x10 [ 44.763482] ? trace_hardirqs_off+0x10/0x10 [ 44.763498] ? __might_sleep+0x93/0xb0 [ 44.763506] do_vfs_ioctl+0x180/0xfb0 [ 44.763510] ? __fget+0x1ad/0x2f0 [ 44.763515] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.763520] ? __fget+0x1ca/0x2f0 [ 44.763526] ? security_file_ioctl+0x6a/0xa0 [ 44.763529] ? SyS_clock_settime+0x1a0/0x1a0 [ 44.763532] ? security_file_ioctl+0x6a/0xa0 [ 44.763536] SyS_ioctl+0x74/0x80 [ 44.763541] ? do_vfs_ioctl+0xfb0/0xfb0 [ 44.763546] do_syscall_64+0x1c7/0x5b0 [ 44.763549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.763555] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.763559] RIP: 0033:0x45a919 [ 44.763562] RSP: 002b:00007f3dd0dd3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.763567] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 [ 44.763569] RDX: 0000000020000240 RSI: 000000000000541f RDI: 0000000000000003 [ 44.763572] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 44.763574] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3dd0dd46d4 [ 44.763576] R13: 00000000004c5e04 R14: 00000000004dc270 R15: 00000000ffffffff [ 44.763580] Code: 0f b6 8b d1 00 [ 44.782263] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.786133] 00 00 48 8d 7b 40 48 b8 00 00 00 00 00 fc ff df d3 e6 48 89 f9 48 c1 e9 03 80 3c 01 00 75 24 48 63 f6 48 03 73 40 <66> 89 16 [ 44.796651] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.800865] 48 83 c4 08 5b 5d c3 89 55 f0 89 [ 44.811057] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.815386] 75 f4 e8 6a a6 37 fe [ 44.815404] RIP: mem16_serial_out+0x61/0xa0 RSP: ffff8880833df8a0 [ 44.815406] CR2: 0000000000000002 [ 44.949948] ---[ end trace 130152aaceb1fe88 ]--- [ 45.084361] Kernel panic - not syncing: Fatal exception [ 45.087063] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.097878] Kernel Offset: disabled [ 45.101487] Rebooting in 86400 seconds..