lost connection to test machine Warning: Permanently added '[localhost]:39769' (ED25519) to the list of known hosts. 2026/02/02 22:17:28 parsed 1 programs syzkaller login: [ 89.506184][ T5309] cgroup: Unknown subsys name 'net' [ 89.578081][ T5309] cgroup: Unknown subsys name 'cpuset' [ 89.583864][ T5309] cgroup: Unknown subsys name 'rlimit' [ 91.405438][ T5309] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.056533][ T9] cfg80211: failed to load regulatory.db [ 97.422411][ T5324] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 98.716268][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.720003][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.773355][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.780268][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.613664][ T5380] chnl_net:caif_netlink_parms(): no params data found [ 102.733802][ T5380] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.744573][ T5380] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.748166][ T5380] bridge_slave_0: entered allmulticast mode [ 102.764857][ T5380] bridge_slave_0: entered promiscuous mode [ 102.771911][ T5380] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.784261][ T5380] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.787953][ T5380] bridge_slave_1: entered allmulticast mode [ 102.792454][ T5380] bridge_slave_1: entered promiscuous mode [ 102.846015][ T5380] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.852560][ T5380] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.900919][ T5380] team0: Port device team_slave_0 added [ 102.916078][ T5380] team0: Port device team_slave_1 added [ 102.957479][ T5380] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.960717][ T5380] 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 1532 would solve the problem. [ 102.984806][ T5380] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.999506][ T5380] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.002656][ T5380] 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 1532 would solve the problem. [ 103.018931][ T5380] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.051286][ T5380] hsr_slave_0: entered promiscuous mode [ 103.055020][ T5380] hsr_slave_1: entered promiscuous mode [ 103.188598][ T5380] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.199832][ T5380] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.207183][ T5380] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.214804][ T5380] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.242410][ T5380] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.245820][ T5380] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.249807][ T5380] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.253086][ T5380] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.310680][ T5380] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.325666][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.329922][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.341495][ T5380] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.352546][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.356230][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.372280][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.375739][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.568621][ T5380] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.605195][ T5380] veth0_vlan: entered promiscuous mode [ 103.619422][ T5380] veth1_vlan: entered promiscuous mode [ 103.649226][ T5380] veth0_macvtap: entered promiscuous mode [ 103.656643][ T5380] veth1_macvtap: entered promiscuous mode [ 103.669826][ T5380] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.698400][ T5380] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.719933][ T31] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.735264][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.739958][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.743826][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.986201][ T31] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.039989][ T31] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.093116][ T31] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.191239][ T31] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.238125][ T5406] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.242284][ T5406] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.247801][ T5406] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.251390][ T5406] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.257320][ T5406] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/02/02 22:17:47 executed programs: 0 [ 105.429388][ T4668] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.434412][ T4668] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.438648][ T4668] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.442677][ T4668] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.446241][ T4668] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.603148][ T5416] chnl_net:caif_netlink_parms(): no params data found [ 105.703223][ T5416] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.715102][ T5416] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.718371][ T5416] bridge_slave_0: entered allmulticast mode [ 105.725404][ T5416] bridge_slave_0: entered promiscuous mode [ 105.730152][ T5416] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.733364][ T5416] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.737271][ T5416] bridge_slave_1: entered allmulticast mode [ 105.740950][ T5416] bridge_slave_1: entered promiscuous mode [ 105.764876][ T5416] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.771245][ T5416] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.799243][ T5416] team0: Port device team_slave_0 added [ 105.803916][ T5416] team0: Port device team_slave_1 added [ 105.823328][ T5416] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.834539][ T5416] 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 1532 would solve the problem. [ 105.852852][ T5416] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.861820][ T5416] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.865256][ T5416] 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 1532 would solve the problem. [ 105.877134][ T5416] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.910320][ T5416] hsr_slave_0: entered promiscuous mode [ 105.913490][ T5416] hsr_slave_1: entered promiscuous mode [ 105.917741][ T5416] debugfs: 'hsr0' already exists in 'hsr' [ 105.920384][ T5416] Cannot create hsr debugfs directory [ 106.387637][ T31] bridge_slave_1: left allmulticast mode [ 106.390384][ T31] bridge_slave_1: left promiscuous mode [ 106.393726][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.419177][ T31] bridge_slave_0: left allmulticast mode [ 106.421762][ T31] bridge_slave_0: left promiscuous mode [ 106.445337][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.859042][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 106.865865][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 106.870799][ T31] bond0 (unregistering): Released all slaves [ 106.968401][ T31] hsr_slave_0: left promiscuous mode [ 106.971353][ T31] hsr_slave_1: left promiscuous mode [ 106.980447][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 106.983754][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 106.989743][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 106.993005][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 107.004969][ T31] veth1_macvtap: left promiscuous mode [ 107.007621][ T31] veth0_macvtap: left promiscuous mode [ 107.010178][ T31] veth1_vlan: left promiscuous mode [ 107.013198][ T31] veth0_vlan: left promiscuous mode [ 107.277351][ T31] team0 (unregistering): Port device team_slave_1 removed [ 107.301662][ T31] team0 (unregistering): Port device team_slave_0 removed [ 107.455770][ T4668] Bluetooth: hci0: command tx timeout [ 107.842347][ T5416] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 107.881213][ T5416] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.047033][ T5416] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.058608][ T5416] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.296565][ T5416] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.319010][ T5416] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.337798][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.341712][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.377638][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.380878][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.694885][ T5416] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 108.781536][ T5416] veth0_vlan: entered promiscuous mode [ 108.801001][ T5416] veth1_vlan: entered promiscuous mode [ 108.847572][ T5416] veth0_macvtap: entered promiscuous mode [ 108.865813][ T5416] veth1_macvtap: entered promiscuous mode [ 108.903181][ T5416] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.913996][ T5416] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.927237][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.936954][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.940923][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.962436][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.011911][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.018036][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.045864][ T44] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.049262][ T44] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 110.397238][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.456502][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.875697][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.911961][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.046598][ T12] bridge_slave_1: left allmulticast mode [ 112.049102][ T12] bridge_slave_1: left promiscuous mode [ 112.051715][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.075826][ T12] bridge_slave_0: left allmulticast mode [ 112.078485][ T12] bridge_slave_0: left promiscuous mode [ 112.081209][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.455708][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 112.461137][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 112.466799][ T12] bond0 (unregistering): Released all slaves [ 112.697226][ T12] hsr_slave_0: left promiscuous mode [ 112.706078][ T12] hsr_slave_1: left promiscuous mode [ 112.716460][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 112.720000][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 112.735019][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 112.738419][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 112.758874][ T12] veth1_macvtap: left promiscuous mode [ 112.761424][ T12] veth0_macvtap: left promiscuous mode [ 112.764109][ T12] veth1_vlan: left promiscuous mode [ 112.775677][ T12] veth0_vlan: left promiscuous mode [ 113.060060][ T12] team0 (unregistering): Port device team_slave_1 removed [ 113.085598][ T12] team0 (unregistering): Port device team_slave_0 removed 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-build469062179=/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 7368264b463a 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:31: run command via tools/syz-env for best compatibility, see: Makefile:32: 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 Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=7368264b463a401571d2eb381f50ea2a758e9d05 -X github.com/google/syzkaller/prog.gitRevisionDate=20250801-160258" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -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 -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"7368264b463a401571d2eb381f50ea2a758e9d05\" /usr/bin/ld: /tmp/ccSSBP66.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking