lost connection to test machine Warning: Permanently added '10.128.0.12' (ED25519) to the list of known hosts. 2026/02/02 23:49:30 ignoring optional flag "type"="gce" 2026/02/02 23:49:30 parsed 1 programs syzkaller login: [ 67.287188][ T4186] cgroup: Unknown subsys name 'net' [ 67.385248][ T4186] cgroup: Unknown subsys name 'rlimit' 2026/02/02 23:49:32 executed programs: 0 [ 69.000078][ T4186] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 69.205823][ T4195] chnl_net:caif_netlink_parms(): no params data found [ 69.269564][ T4195] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.281019][ T4195] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.291473][ T4195] device bridge_slave_0 entered promiscuous mode [ 69.302659][ T4195] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.311079][ T4195] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.320596][ T4195] device bridge_slave_1 entered promiscuous mode [ 69.348304][ T4195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.362893][ T4195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.390093][ T4195] team0: Port device team_slave_0 added [ 69.400535][ T4195] team0: Port device team_slave_1 added [ 69.422647][ T4195] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.430380][ 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. [ 69.468129][ T4195] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.488015][ T4195] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.500014][ 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. [ 69.540115][ T4195] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.579806][ T4195] device hsr_slave_0 entered promiscuous mode [ 69.588732][ T4195] device hsr_slave_1 entered promiscuous mode [ 69.697907][ T4195] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.711699][ T4195] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.723692][ T4195] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.739982][ T4195] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.771459][ T4195] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.783336][ T4195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.795299][ T4195] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.806341][ T4195] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.864832][ T4195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.883568][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.898500][ T1154] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.913457][ T1154] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.927524][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.947741][ T4195] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.959990][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.971298][ T1154] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.979188][ T1154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.994832][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.007064][ T1154] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.016884][ T1154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.040645][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.051106][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.068624][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.083304][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.099720][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.112944][ T4195] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.221899][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.236819][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.254059][ T4195] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.288839][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.299639][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.327012][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.339154][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.350359][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.359762][ T1280] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.372951][ T4195] device veth0_vlan entered promiscuous mode [ 70.387209][ T4195] device veth1_vlan entered promiscuous mode [ 70.411517][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.422622][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.432841][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.442499][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.454919][ T4195] device veth0_macvtap entered promiscuous mode [ 70.467843][ T4195] device veth1_macvtap entered promiscuous mode [ 70.489112][ T4195] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.507258][ T4195] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.517342][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.531238][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.542372][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.554835][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.566071][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.580815][ T1154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.600242][ T4195] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.614080][ T4195] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.626821][ T4195] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.639888][ T4195] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.376984][ T1154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.935179][ T1154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.984553][ T1154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.066203][ T1154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.806416][ T1154] device hsr_slave_0 left promiscuous mode [ 76.815371][ T1154] device hsr_slave_1 left promiscuous mode [ 76.823975][ T1154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.832406][ T1154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.845681][ T1154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.854270][ T1154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.862947][ T1154] device bridge_slave_1 left promiscuous mode [ 76.870611][ T1154] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.890728][ T1154] device bridge_slave_0 left promiscuous mode [ 76.898127][ T1154] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.925934][ T1154] device veth1_macvtap left promiscuous mode [ 76.933393][ T1154] device veth0_macvtap left promiscuous mode [ 76.942635][ T1154] device veth1_vlan left promiscuous mode [ 76.949851][ T1154] device veth0_vlan left promiscuous mode [ 77.062904][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 77.070180][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 77.205144][ T1154] team0 (unregistering): Port device team_slave_1 removed [ 77.223433][ T1154] team0 (unregistering): Port device team_slave_0 removed [ 77.244412][ T1154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.267094][ T1154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.328396][ T1154] 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-build2939056053=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/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 79782afcff3 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=79782afcff30fd0c0af8c2725d508b2c7150f3ed -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230620-191008'" "-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=79782afcff30fd0c0af8c2725d508b2c7150f3ed -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230620-191008'" "-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=79782afcff30fd0c0af8c2725d508b2c7150f3ed -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230620-191008'" "-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=\"79782afcff30fd0c0af8c2725d508b2c7150f3ed\"