Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 32.653308] audit: type=1400 audit(1591976556.512:8): avc: denied { execmem } for pid=6454 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.680586] IPVS: ftp: loaded support on port[0] = 21 [ 33.229708] can: request_module (can-proto-0) failed. [ 34.111092] can: request_module (can-proto-0) failed. [ 34.119653] can: request_module (can-proto-0) failed. [ 34.146837] audit: type=1400 audit(1591976558.004:9): avc: denied { create } for pid=6432 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 '10.128.1.57' (ECDSA) to the list of known hosts. 2020/06/12 15:42:49 parsed 1 programs 2020/06/12 15:42:50 executed programs: 0 [ 46.951301] audit: type=1400 audit(1591976570.818:10): avc: denied { execmem } for pid=6580 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 47.030175] IPVS: ftp: loaded support on port[0] = 21 [ 47.053107] IPVS: ftp: loaded support on port[0] = 21 [ 47.054517] IPVS: ftp: loaded support on port[0] = 21 [ 47.063846] IPVS: ftp: loaded support on port[0] = 21 [ 47.068935] IPVS: ftp: loaded support on port[0] = 21 [ 47.094873] IPVS: ftp: loaded support on port[0] = 21 [ 47.347010] chnl_net:caif_netlink_parms(): no params data found [ 47.402147] chnl_net:caif_netlink_parms(): no params data found [ 47.426013] chnl_net:caif_netlink_parms(): no params data found [ 47.435250] chnl_net:caif_netlink_parms(): no params data found [ 47.572442] chnl_net:caif_netlink_parms(): no params data found [ 47.598394] chnl_net:caif_netlink_parms(): no params data found [ 47.618101] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.625312] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.633781] device bridge_slave_0 entered promiscuous mode [ 47.665429] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.672575] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.679601] device bridge_slave_0 entered promiscuous mode [ 47.689448] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.696866] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.705237] device bridge_slave_1 entered promiscuous mode [ 47.743743] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.752323] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.759305] device bridge_slave_1 entered promiscuous mode [ 47.776082] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.783261] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.792002] device bridge_slave_0 entered promiscuous mode [ 47.806326] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.813914] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.821557] device bridge_slave_0 entered promiscuous mode [ 47.843769] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.854689] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.861889] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.869078] device bridge_slave_1 entered promiscuous mode [ 47.881863] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.888316] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.899185] device bridge_slave_1 entered promiscuous mode [ 47.915110] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.923883] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.946769] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.953819] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.963130] device bridge_slave_0 entered promiscuous mode [ 47.971380] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.979356] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.986471] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.997244] device bridge_slave_1 entered promiscuous mode [ 48.018080] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.027288] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.040851] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.047465] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.056251] device bridge_slave_0 entered promiscuous mode [ 48.066807] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.074809] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.084166] device bridge_slave_1 entered promiscuous mode [ 48.097147] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.107496] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.127032] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.135877] team0: Port device team_slave_0 added [ 48.146032] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.154276] team0: Port device team_slave_1 added [ 48.161606] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.174203] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.189137] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.197534] team0: Port device team_slave_0 added [ 48.206660] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.215602] team0: Port device team_slave_1 added [ 48.221198] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.228406] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.246723] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.256165] team0: Port device team_slave_0 added [ 48.262968] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.272927] team0: Port device team_slave_0 added [ 48.279331] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.288441] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.296704] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.318416] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.326736] team0: Port device team_slave_1 added [ 48.332991] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.340857] team0: Port device team_slave_1 added [ 48.347838] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.359848] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.367911] team0: Port device team_slave_0 added [ 48.378781] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.387159] team0: Port device team_slave_1 added [ 48.393604] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.404212] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.415213] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.462713] device hsr_slave_0 entered promiscuous mode [ 48.510021] device hsr_slave_1 entered promiscuous mode [ 48.550465] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.557634] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.565737] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.574043] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.621961] device hsr_slave_0 entered promiscuous mode [ 48.659903] device hsr_slave_1 entered promiscuous mode [ 48.704509] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 48.762263] device hsr_slave_0 entered promiscuous mode [ 48.800108] device hsr_slave_1 entered promiscuous mode [ 48.850028] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.857034] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.865110] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.872964] team0: Port device team_slave_0 added [ 48.931513] device hsr_slave_0 entered promiscuous mode [ 48.989986] device hsr_slave_1 entered promiscuous mode [ 49.030084] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.036977] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.044773] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.052026] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.059223] team0: Port device team_slave_1 added [ 49.064827] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.121389] device hsr_slave_0 entered promiscuous mode [ 49.159829] device hsr_slave_1 entered promiscuous mode [ 49.216961] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.229211] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.241815] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.265299] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.321866] device hsr_slave_0 entered promiscuous mode [ 49.360619] device hsr_slave_1 entered promiscuous mode [ 49.422535] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.452884] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.528218] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.564345] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.573634] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.590187] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.597215] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.623855] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.660274] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.667525] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.693318] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 49.713087] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.720763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.729801] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 49.735902] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.753207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.776036] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.786751] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 49.798467] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.808978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.818227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.826437] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.832997] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.842611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.849181] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.861010] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.868176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.879022] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.888019] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.896475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.905980] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.912851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.922441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.930999] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.937551] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.946001] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 49.953231] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 49.962175] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 49.971086] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.978277] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.986004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.993400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.002509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.009875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.016957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.024003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.031193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.041573] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.047660] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.058532] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.064792] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.074948] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.081476] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.090193] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 50.098301] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.106901] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.115295] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.125622] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 50.133536] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.142538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.151267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.158450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.167668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.175825] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.182299] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.189389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.196313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.203316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.211976] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.222488] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.234369] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.243069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.253149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.261422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.269284] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.275652] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.283209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.291707] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.299485] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.305826] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.313624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.321587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.329987] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.336324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.343823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.353356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.365310] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.373882] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.380839] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.387656] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.397171] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.406821] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.418030] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.425841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.434560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.442543] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.448878] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.455912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.463738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.471425] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.477756] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.484592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.492993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.500613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.508326] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.515948] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.522356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.529496] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.537824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.545437] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.557414] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.566216] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.576319] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.584599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.594051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.602292] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.610282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.617984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.626100] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.632492] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.640917] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.652124] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.660289] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.668836] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.678919] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.688553] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.698367] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.707095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.715565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.723811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.731559] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.737878] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.744735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.752884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.760750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.768175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.776775] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.784040] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.795007] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.804077] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.812834] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.822713] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.830817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.838514] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.846805] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.853414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.861434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.870016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.877668] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.885452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.893336] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.901453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.908416] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.916813] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 50.925790] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.935664] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.946257] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.954385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.964627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.972748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.980824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.988564] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.997301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.005287] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.014506] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 51.023677] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.034052] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.043113] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 51.052137] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.060352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.068394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.076626] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.084419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.092285] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.100101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.107989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.115832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.125568] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.134568] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.143775] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 51.151627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.161837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.170386] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.177962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.186236] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.196542] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.205039] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.214681] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.223157] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.237307] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.245690] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.253585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.262625] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.270372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.277975] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.285959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.293729] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.301590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.309603] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.317245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.325482] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.333553] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.342079] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.350009] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 51.356888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.369611] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.378310] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.388233] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.397092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.406103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.415664] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.423941] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.432133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.440203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.447632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.455770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.466809] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.485699] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.497730] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.506178] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.516465] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.526336] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.534717] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.543110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.550247] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.565871] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.574847] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.583653] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.592434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.603982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.612222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.619962] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.627699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.634821] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.644207] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.656699] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.667067] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 51.674014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.685353] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.693377] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.710403] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 51.716462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.733505] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 51.742907] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.756553] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.766363] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.779638] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 51.787214] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.799208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.805934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.814071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.825489] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 51.835454] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.844049] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.854873] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.863877] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.872362] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.880454] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.889938] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 51.898002] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.906595] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 51.916767] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.929533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.939845] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.953910] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 51.966820] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.976328] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 51.985984] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 51.999311] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 52.008269] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.020137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.028335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.040510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.051980] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 52.064277] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 52.076488] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 52.083722] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 52.093695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.105622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.120256] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 52.127571] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 52.134696] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 52.145041] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 52.162283] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 52.170654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.184742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.195505] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.203981] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.216257] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 52.228501] IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready [ 52.237284] device veth0_vlan entered promiscuous mode [ 52.243804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.258242] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.266279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.274815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.283504] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.291221] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.299390] device veth0_vlan entered promiscuous mode [ 52.310530] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 52.317573] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 52.326301] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 52.357960] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 52.365387] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 52.373212] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 52.383139] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 52.395797] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 52.403065] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 52.413190] device veth1_vlan entered promiscuous mode [ 52.419985] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 52.429348] device veth1_vlan entered promiscuous mode [ 52.436078] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 52.449438] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 52.462214] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 52.472349] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 52.486856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.494324] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.501722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.509190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.516562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.524493] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.532191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.539926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.547231] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.554764] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.561975] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.569506] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.576354] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.583594] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.601875] device veth0_vlan entered promiscuous mode [ 52.607476] device veth0_vlan entered promiscuous mode [ 52.640016] device veth0_vlan entered promiscuous mode [ 52.641970] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 52.642293] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 52.642580] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 52.644680] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 52.645564] device veth1_vlan entered promiscuous mode [ 52.646754] device veth0_vlan entered promiscuous mode [ 52.660100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.660521] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.661262] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.661543] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.663438] device veth1_vlan entered promiscuous mode [ 52.677940] device veth1_vlan entered promiscuous mode [ 52.686298] device veth1_vlan entered promiscuous mode [ 52.687052] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 52.700919] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready 2020/06/12 15:42:57 executed programs: 6 [ 53.509153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.509604] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.862152] ================================================================== [ 53.862180] BUG: KASAN: null-ptr-deref in insert_char+0x1e2/0x440 [ 53.862185] Read of size 4294967294 at addr 0000000000000010 by task syz-executor.0/7751 [ 53.862187] [ 53.862194] CPU: 0 PID: 7751 Comm: syz-executor.0 Not tainted 4.19.128-syzkaller #0 [ 53.862197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.862201] Call Trace: [ 53.862214] dump_stack+0x123/0x177 [ 53.862231] kasan_report.cold.9+0x6d/0x309 [ 53.862236] ? insert_char+0x1e2/0x440 [ 53.862245] check_memory_region+0x13e/0x1b0 [ 53.862250] memmove+0x23/0x50 [ 53.862256] insert_char+0x1e2/0x440 [ 53.862265] do_con_trol+0x33ce/0x6360 [ 53.862274] ? reset_palette+0x200/0x200 [ 53.862281] ? lock_downgrade+0x860/0x860 [ 53.862289] ? kasan_check_read+0x11/0x20 [ 53.862300] ? __atomic_notifier_call_chain+0x9e/0x110 [ 53.862307] do_con_write.part.21+0xad0/0x1aa0 [ 53.862313] ? n_tty_write+0x30a/0x1060 [ 53.862322] ? __mutex_lock+0x51b/0x1210 [ 53.862333] ? do_con_trol+0x6360/0x6360 [ 53.862337] ? mark_held_locks+0xc7/0x130 [ 53.862344] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 53.862351] ? add_wait_queue+0x107/0x160 [ 53.862356] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.862361] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 53.862367] ? trace_hardirqs_on+0x28/0x190 [ 53.862375] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 53.862382] con_write+0x1f/0x80 [ 53.862387] n_tty_write+0x4a4/0x1060 [ 53.862402] ? process_echoes+0x130/0x130 [ 53.862408] ? do_wait_intr_irq+0x310/0x310 [ 53.862415] ? kasan_check_write+0x14/0x20 [ 53.862423] tty_write+0x346/0x770 [ 53.862429] ? process_echoes+0x130/0x130 [ 53.862437] __vfs_write+0xe3/0x890 [ 53.862444] ? kernel_read+0x130/0x130 [ 53.862450] ? __might_sleep+0x95/0x190 [ 53.862459] ? __inode_security_revalidate+0x9d/0xc0 [ 53.862466] ? selinux_file_permission+0x326/0x3f0 [ 53.862475] ? security_file_permission+0x46/0x190 [ 53.862481] ? rw_verify_area+0xb8/0x2b0 [ 53.862488] vfs_write+0x150/0x4d0 [ 53.862497] ksys_write+0x103/0x260 [ 53.862504] ? __ia32_sys_read+0xa0/0xa0 [ 53.862511] ? do_syscall_64+0x21/0x4e0 [ 53.862517] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.862525] __x64_sys_write+0x6e/0xb0 [ 53.862532] do_syscall_64+0xd0/0x4e0 [ 53.862540] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.862545] RIP: 0033:0x45af49 [ 53.862551] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.862554] RSP: 002b:00007f7baee1dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.862561] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 53.862564] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 53.862567] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 53.862571] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7baee1e6d4 [ 53.862574] R13: 00000000004cce19 R14: 00000000004e81c0 R15: 00000000ffffffff [ 53.862588] ================================================================== [ 53.862590] Disabling lock debugging due to kernel taint [ 53.862593] Kernel panic - not syncing: panic_on_warn set ... [ 53.862593] [ 53.862598] CPU: 0 PID: 7751 Comm: syz-executor.0 Tainted: G B 4.19.128-syzkaller #0 [ 53.862600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.862601] Call Trace: [ 53.862606] dump_stack+0x123/0x177 [ 53.862611] panic+0x1cd/0x375 [ 53.862615] ? __warn_printk+0xd6/0xd6 [ 53.862618] ? lock_downgrade+0x860/0x860 [ 53.862622] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 53.862628] kasan_end_report+0x47/0x4f [ 53.862632] kasan_report.cold.9+0x76/0x309 [ 53.862635] ? insert_char+0x1e2/0x440 [ 53.862641] check_memory_region+0x13e/0x1b0 [ 53.862645] memmove+0x23/0x50 [ 53.862649] insert_char+0x1e2/0x440 [ 53.862656] do_con_trol+0x33ce/0x6360 [ 53.862661] ? reset_palette+0x200/0x200 [ 53.862665] ? lock_downgrade+0x860/0x860 [ 53.862670] ? kasan_check_read+0x11/0x20 [ 53.862676] ? __atomic_notifier_call_chain+0x9e/0x110 [ 53.862682] do_con_write.part.21+0xad0/0x1aa0 [ 53.862684] ? n_tty_write+0x30a/0x1060 [ 53.862689] ? __mutex_lock+0x51b/0x1210 [ 53.862695] ? do_con_trol+0x6360/0x6360 [ 53.862698] ? mark_held_locks+0xc7/0x130 [ 53.862702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 53.862706] ? add_wait_queue+0x107/0x160 [ 53.862710] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.862713] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 53.862716] ? trace_hardirqs_on+0x28/0x190 [ 53.862721] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 53.862725] con_write+0x1f/0x80 [ 53.862728] n_tty_write+0x4a4/0x1060 [ 53.862736] ? process_echoes+0x130/0x130 [ 53.862740] ? do_wait_intr_irq+0x310/0x310 [ 53.862745] ? kasan_check_write+0x14/0x20 [ 53.862750] tty_write+0x346/0x770 [ 53.862754] ? process_echoes+0x130/0x130 [ 53.862759] __vfs_write+0xe3/0x890 [ 53.862764] ? kernel_read+0x130/0x130 [ 53.862768] ? __might_sleep+0x95/0x190 [ 53.862772] ? __inode_security_revalidate+0x9d/0xc0 [ 53.862777] ? selinux_file_permission+0x326/0x3f0 [ 53.862782] ? security_file_permission+0x46/0x190 [ 53.862786] ? rw_verify_area+0xb8/0x2b0 [ 53.862792] vfs_write+0x150/0x4d0 [ 53.862797] ksys_write+0x103/0x260 [ 53.862802] ? __ia32_sys_read+0xa0/0xa0 [ 53.862806] ? do_syscall_64+0x21/0x4e0 [ 53.862810] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.862816] __x64_sys_write+0x6e/0xb0 [ 53.862821] do_syscall_64+0xd0/0x4e0 [ 53.862826] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.862829] RIP: 0033:0x45af49 [ 53.862833] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.862836] RSP: 002b:00007f7baee1dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.862840] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 53.862842] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 [ 53.862845] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 53.862847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7baee1e6d4 [ 53.862849] R13: 00000000004cce19 R14: 00000000004e81c0 R15: 00000000ffffffff [ 53.864653] Kernel Offset: disabled