lost connection to test machine Warning: Permanently added '10.128.1.9' (ED25519) to the list of known hosts. 2026/02/03 06:57:42 ignoring optional flag "type"="gce" 2026/02/03 06:57:42 parsed 1 programs [ 50.417806][ T4187] cgroup: Unknown subsys name 'net' [ 50.523009][ T4187] cgroup: Unknown subsys name 'rlimit' 2026/02/03 06:57:42 executed programs: 0 [ 50.795971][ T4195] chnl_net:caif_netlink_parms(): no params data found [ 50.837575][ T4195] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.845247][ T4195] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.853380][ T4195] device bridge_slave_0 entered promiscuous mode [ 50.863193][ T4195] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.871867][ T4195] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.880630][ T4195] device bridge_slave_1 entered promiscuous mode [ 50.900491][ T4195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.912259][ T4195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.933290][ T4195] team0: Port device team_slave_0 added [ 50.940855][ T4195] team0: Port device team_slave_1 added [ 50.958428][ T4195] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.966132][ T4195] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.994077][ T4195] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 51.007374][ T4195] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 51.014589][ T4195] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 51.041350][ T4195] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 51.069582][ T4195] device hsr_slave_0 entered promiscuous mode [ 51.077452][ T4195] device hsr_slave_1 entered promiscuous mode [ 51.155220][ T4195] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.167324][ T4195] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.176865][ T4195] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.187015][ T4195] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.210921][ T4195] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.218294][ T4195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.226365][ T4195] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.234017][ T4195] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.277289][ T4195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.290172][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.301680][ T3079] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.312582][ T3079] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.325657][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.339752][ T4195] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.350484][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.361139][ T3079] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.368906][ T3079] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.387305][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.397597][ T3079] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.405889][ T3079] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.426459][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.437060][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.446448][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.460391][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.473986][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.485389][ T4195] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.557059][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.565193][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.579199][ T4195] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.596237][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.614626][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.623078][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.631487][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.642328][ T4195] device veth0_vlan entered promiscuous mode [ 51.655126][ T4195] device veth1_vlan entered promiscuous mode [ 51.675368][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.683649][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.693246][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.703155][ T4195] device veth0_macvtap entered promiscuous mode [ 51.713689][ T4195] device veth1_macvtap entered promiscuous mode [ 51.730362][ T4195] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.738998][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.749063][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.760941][ T4195] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.770197][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.778960][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.791003][ T4195] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.800666][ T4195] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.809695][ T4195] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.818931][ T4195] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.862224][ T4195] syz-executor.0 (4195) used greatest stack depth: 19160 bytes left [ 54.882477][ T3079] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.361370][ T3079] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.449370][ T3079] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.511756][ T3079] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.183610][ T3079] device hsr_slave_0 left promiscuous mode [ 58.192519][ T3079] device hsr_slave_1 left promiscuous mode [ 58.200627][ T3079] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.209904][ T3079] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.219283][ T3079] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.227994][ T3079] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.237236][ T3079] device bridge_slave_1 left promiscuous mode [ 58.244941][ T3079] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.263396][ T3079] device bridge_slave_0 left promiscuous mode [ 58.271254][ T3079] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.294217][ T3079] device veth1_macvtap left promiscuous mode [ 58.303196][ T3079] device veth0_macvtap left promiscuous mode [ 58.311593][ T3079] device veth1_vlan left promiscuous mode [ 58.319589][ T3079] device veth0_vlan left promiscuous mode [ 58.452639][ T3079] team0 (unregistering): Port device team_slave_1 removed [ 58.468766][ T3079] team0 (unregistering): Port device team_slave_0 removed [ 58.482357][ T3079] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.496867][ T3079] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.542818][ T3079] bond0 (unregistering): Released all slaves syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build3111731121=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.24.4' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 7939252e4d nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:32: run command via tools/syz-env for best compatibility, see: Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=7939252e4ddf50bbb9912069a40d32f6c83c4f8e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230317-174037'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=7939252e4ddf50bbb9912069a40d32f6c83c4f8e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230317-174037'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=7939252e4ddf50bbb9912069a40d32f6c83c4f8e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230317-174037'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"7939252e4ddf50bbb9912069a40d32f6c83c4f8e\"