lost connection to test machine Warning: Permanently added '[localhost]:15907' (ED25519) to the list of known hosts. 2026/02/02 22:34:06 parsed 1 programs syzkaller login: [ 89.542510][ T5311] cgroup: Unknown subsys name 'net' [ 89.595314][ T5311] cgroup: Unknown subsys name 'cpuset' [ 89.600865][ T5311] cgroup: Unknown subsys name 'rlimit' [ 91.278986][ T5311] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.083562][ T9] cfg80211: failed to load regulatory.db [ 97.623572][ T5329] 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. [ 98.240364][ T5329] syz-executor (5329) used greatest stack depth: 18368 bytes left [ 98.353703][ T5357] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.359176][ T5357] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.363343][ T5357] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.385659][ T5357] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.389423][ T5357] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.503244][ T5357] Bluetooth: hci0: command tx timeout [ 101.586432][ T5354] chnl_net:caif_netlink_parms(): no params data found [ 102.212250][ T5354] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.216448][ T5354] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.219761][ T5354] bridge_slave_0: entered allmulticast mode [ 102.264550][ T5354] bridge_slave_0: entered promiscuous mode [ 102.321542][ T5354] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.335508][ T5354] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.338747][ T5354] bridge_slave_1: entered allmulticast mode [ 102.365936][ T5354] bridge_slave_1: entered promiscuous mode [ 102.385809][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.399984][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.630018][ T5354] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.663528][ T3007] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.668686][ T5354] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.676976][ T3007] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.854894][ T5354] team0: Port device team_slave_0 added [ 102.859222][ T5354] team0: Port device team_slave_1 added [ 102.995489][ T5354] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.998564][ T5354] 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. [ 103.065384][ T5354] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.094183][ T5354] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.111290][ T5354] 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. [ 103.173234][ T5354] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.312368][ T5354] hsr_slave_0: entered promiscuous mode [ 103.331696][ T5354] hsr_slave_1: entered promiscuous mode [ 103.834044][ T5354] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.856843][ T5354] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.877086][ T5354] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.925019][ T5354] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.067547][ T5354] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.108509][ T5354] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.133264][ T3007] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.136574][ T3007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.153741][ T3007] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.156970][ T3007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.616203][ T5354] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.672592][ T5354] veth0_vlan: entered promiscuous mode [ 104.680587][ T5354] veth1_vlan: entered promiscuous mode [ 104.712157][ T5354] veth0_macvtap: entered promiscuous mode [ 104.718478][ T5354] veth1_macvtap: entered promiscuous mode [ 104.738552][ T5354] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.749711][ T5354] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.762790][ T31] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.774089][ T31] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.788730][ T31] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.815288][ T31] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/02 22:34:24 executed programs: 0 [ 105.038626][ T4666] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.043104][ T4666] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.046675][ T4666] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.057388][ T4666] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.060864][ T4666] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.099311][ T1047] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.449802][ T5420] chnl_net:caif_netlink_parms(): no params data found [ 105.576414][ T5420] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.581744][ T5420] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.585003][ T5420] bridge_slave_0: entered allmulticast mode [ 105.602163][ T5420] bridge_slave_0: entered promiscuous mode [ 105.607779][ T5420] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.611019][ T5420] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.621707][ T5420] bridge_slave_1: entered allmulticast mode [ 105.625748][ T5420] bridge_slave_1: entered promiscuous mode [ 105.674050][ T5420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.694182][ T5420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.743958][ T5420] team0: Port device team_slave_0 added [ 105.750022][ T5420] team0: Port device team_slave_1 added [ 105.804232][ T5420] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.807263][ T5420] 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. [ 105.841741][ T5420] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.847758][ T5420] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.852070][ T5420] 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. [ 105.882742][ T5420] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.958372][ T5420] hsr_slave_0: entered promiscuous mode [ 105.970839][ T5420] hsr_slave_1: entered promiscuous mode [ 105.982185][ T5420] debugfs: 'hsr0' already exists in 'hsr' [ 105.985372][ T5420] Cannot create hsr debugfs directory [ 106.032998][ T1047] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.084142][ T1047] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.141464][ T4666] Bluetooth: hci0: command tx timeout [ 107.806027][ T1047] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.954111][ T1047] bridge_slave_1: left allmulticast mode [ 107.957070][ T1047] bridge_slave_1: left promiscuous mode [ 107.961422][ T1047] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.969101][ T1047] bridge_slave_0: left allmulticast mode [ 107.976174][ T1047] bridge_slave_0: left promiscuous mode [ 107.978876][ T1047] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.192555][ T1047] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 108.199013][ T1047] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 108.204638][ T1047] bond0 (unregistering): Released all slaves [ 108.306623][ T1047] hsr_slave_0: left promiscuous mode [ 108.319797][ T1047] hsr_slave_1: left promiscuous mode [ 108.324283][ T1047] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 108.327552][ T1047] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 108.345542][ T1047] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 108.349146][ T1047] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 108.383538][ T1047] veth1_macvtap: left promiscuous mode [ 108.386221][ T1047] veth0_macvtap: left promiscuous mode [ 108.388804][ T1047] veth1_vlan: left promiscuous mode [ 108.402092][ T1047] veth0_vlan: left promiscuous mode [ 108.802562][ T1047] team0 (unregistering): Port device team_slave_1 removed [ 108.819137][ T1047] team0 (unregistering): Port device team_slave_0 removed [ 109.222246][ T4666] Bluetooth: hci0: command tx timeout [ 109.325189][ T5420] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 109.371650][ T5420] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 109.377474][ T5420] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 109.396606][ T5420] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 109.534792][ T5420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.565728][ T5420] 8021q: adding VLAN 0 to HW filter on device team0 [ 109.576822][ T1047] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.580064][ T1047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.595844][ T1047] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.599109][ T1047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.766169][ T5420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.803199][ T5420] veth0_vlan: entered promiscuous mode [ 109.810585][ T5420] veth1_vlan: entered promiscuous mode [ 109.836554][ T5420] veth0_macvtap: entered promiscuous mode [ 109.843712][ T5420] veth1_macvtap: entered promiscuous mode [ 109.858780][ T5420] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.870757][ T5420] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.883092][ T38] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.887881][ T38] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.897659][ T38] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.909343][ T38] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.962468][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.972305][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.998130][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.002946][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.817549][ T1047] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.083634][ T1047] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.215941][ T1047] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.256406][ T1047] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.382088][ T1047] bridge_slave_1: left allmulticast mode [ 113.384824][ T1047] bridge_slave_1: left promiscuous mode [ 113.387634][ T1047] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.403442][ T1047] bridge_slave_0: left allmulticast mode [ 113.405944][ T1047] bridge_slave_0: left promiscuous mode [ 113.408504][ T1047] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.829050][ T1047] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 113.835577][ T1047] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 113.841999][ T1047] bond0 (unregistering): Released all slaves [ 114.123997][ T1047] hsr_slave_0: left promiscuous mode [ 114.127154][ T1047] hsr_slave_1: left promiscuous mode [ 114.141815][ T1047] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 114.145265][ T1047] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 114.156611][ T1047] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 114.159943][ T1047] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 114.192100][ T1047] veth1_macvtap: left promiscuous mode [ 114.194761][ T1047] veth0_macvtap: left promiscuous mode [ 114.197416][ T1047] veth1_vlan: left promiscuous mode [ 114.199910][ T1047] veth0_vlan: left promiscuous mode [ 114.573652][ T1047] team0 (unregistering): Port device team_slave_1 removed [ 114.597189][ T1047] 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-build1952375513=/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 e2beed91937c 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}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=e2beed91937c0ace342f19a2e9afb67adb3a828a -X github.com/google/syzkaller/prog.gitRevisionDate=20250911-084951" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=e2beed91937c0ace342f19a2e9afb67adb3a828a -X github.com/google/syzkaller/prog.gitRevisionDate=20250911-084951" ./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=e2beed91937c0ace342f19a2e9afb67adb3a828a -X github.com/google/syzkaller/prog.gitRevisionDate=20250911-084951" -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=\"e2beed91937c0ace342f19a2e9afb67adb3a828a\" /usr/bin/ld: /tmp/ccV7LbUV.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 ./tools/check-syzos.sh 2>/dev/null