lost connection to test machine Warning: Permanently added '10.128.0.74' (ED25519) to the list of known hosts. 2026/02/04 03:09:19 parsed 1 programs [ 77.816375][ T5822] cgroup: Unknown subsys name 'net' [ 77.988606][ T5822] cgroup: Unknown subsys name 'cpuset' [ 77.997573][ T5822] cgroup: Unknown subsys name 'rlimit' [ 78.003531][ T5822] cgroup: Unknown subsys name 'memory' [ 79.361091][ T5822] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 81.953096][ T5832] chnl_net:caif_netlink_parms(): no params data found [ 82.037403][ T5832] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.045632][ T5832] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.053220][ T5832] bridge_slave_0: entered allmulticast mode [ 82.061750][ T5832] bridge_slave_0: entered promiscuous mode [ 82.071310][ T5832] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.079111][ T5832] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.087101][ T5832] bridge_slave_1: entered allmulticast mode [ 82.094709][ T5832] bridge_slave_1: entered promiscuous mode [ 82.123380][ T5832] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.137005][ T5832] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.167416][ T5832] team0: Port device team_slave_0 added [ 82.175102][ T5832] team0: Port device team_slave_1 added [ 82.199675][ T5832] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.206865][ T5832] 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. [ 82.235956][ T5832] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.249766][ T5832] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.257411][ T5832] 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. [ 82.285820][ T5832] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.325487][ T5832] hsr_slave_0: entered promiscuous mode [ 82.332550][ T5832] hsr_slave_1: entered promiscuous mode [ 82.457203][ T5832] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.469704][ T5832] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.482153][ T5832] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.493450][ T5832] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.524944][ T5832] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.532821][ T5832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.541428][ T5832] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.549010][ T5832] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.600856][ T5832] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.620775][ T3517] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.630995][ T3517] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.647035][ T5832] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.660164][ T74] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.667764][ T74] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.683348][ T3517] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.690950][ T3517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.839618][ T5832] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.884120][ T5832] veth0_vlan: entered promiscuous mode [ 82.897632][ T5832] veth1_vlan: entered promiscuous mode [ 82.928258][ T5832] veth0_macvtap: entered promiscuous mode [ 82.939179][ T5832] veth1_macvtap: entered promiscuous mode [ 82.958607][ T5832] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.975564][ T5832] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.994987][ T74] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.007667][ T74] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.020738][ T74] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.031066][ T74] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.193425][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.272165][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.351181][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.363138][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.375347][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.385039][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.388594][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.395794][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 83.449985][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.660850][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.676359][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.701679][ T74] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.710345][ T74] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/02/04 03:09:29 executed programs: 0 [ 85.702408][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.711277][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.720279][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.729620][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.739356][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.871259][ T5926] chnl_net:caif_netlink_parms(): no params data found [ 85.934995][ T5926] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.942800][ T5926] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.950963][ T5926] bridge_slave_0: entered allmulticast mode [ 85.958925][ T5926] bridge_slave_0: entered promiscuous mode [ 85.967346][ T5926] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.974715][ T5926] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.983039][ T5926] bridge_slave_1: entered allmulticast mode [ 85.990348][ T5926] bridge_slave_1: entered promiscuous mode [ 86.018621][ T5926] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.033135][ T5926] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.062173][ T5926] team0: Port device team_slave_0 added [ 86.070783][ T5926] team0: Port device team_slave_1 added [ 86.098521][ T5926] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.106812][ T5926] 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. [ 86.136682][ T5926] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.151726][ T5926] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.158966][ T5926] 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. [ 86.189220][ T5926] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.227236][ T5926] hsr_slave_0: entered promiscuous mode [ 86.234023][ T5926] hsr_slave_1: entered promiscuous mode [ 86.240859][ T5926] debugfs: 'hsr0' already exists in 'hsr' [ 86.247219][ T5926] Cannot create hsr debugfs directory [ 86.396410][ T12] bridge_slave_1: left allmulticast mode [ 86.402837][ T12] bridge_slave_1: left promiscuous mode [ 86.410968][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.422058][ T12] bridge_slave_0: left allmulticast mode [ 86.429145][ T12] bridge_slave_0: left promiscuous mode [ 86.436237][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.687747][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 86.700045][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 86.711545][ T12] bond0 (unregistering): Released all slaves [ 86.829454][ T12] hsr_slave_0: left promiscuous mode [ 86.836079][ T12] hsr_slave_1: left promiscuous mode [ 86.842683][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 86.853783][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 86.863369][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 86.877326][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 86.901672][ T12] veth1_macvtap: left promiscuous mode [ 86.909197][ T12] veth0_macvtap: left promiscuous mode [ 86.916808][ T12] veth1_vlan: left promiscuous mode [ 86.922718][ T12] veth0_vlan: left promiscuous mode [ 87.439195][ T12] team0 (unregistering): Port device team_slave_1 removed [ 87.467088][ T12] team0 (unregistering): Port device team_slave_0 removed [ 87.786333][ T53] Bluetooth: hci0: command tx timeout [ 87.997433][ T5926] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.013708][ T5926] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.032049][ T5926] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.057903][ T5926] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.542908][ T5926] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.596312][ T5926] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.611283][ T1115] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.618821][ T1115] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.636713][ T1115] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.644568][ T1115] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.090015][ T5926] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.209219][ T5926] veth0_vlan: entered promiscuous mode [ 89.223847][ T5926] veth1_vlan: entered promiscuous mode [ 89.254757][ T5926] veth0_macvtap: entered promiscuous mode [ 89.276870][ T5926] veth1_macvtap: entered promiscuous mode [ 89.302357][ T5926] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.319427][ T5926] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.339681][ T74] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.366088][ T74] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.399147][ T3517] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.410119][ T3517] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.471509][ T74] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.482076][ T74] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.509032][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.518476][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.679587][ T74] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.556400][ T74] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.065065][ T74] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.107054][ T979] cfg80211: failed to load regulatory.db [ 92.131918][ T74] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.261650][ T74] bridge_slave_1: left allmulticast mode [ 92.270450][ T74] bridge_slave_1: left promiscuous mode [ 92.277190][ T74] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.289203][ T74] bridge_slave_0: left allmulticast mode [ 92.295153][ T74] bridge_slave_0: left promiscuous mode [ 92.302590][ T74] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.623819][ T74] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 92.635065][ T74] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 92.647409][ T74] bond0 (unregistering): Released all slaves [ 92.893066][ T74] hsr_slave_0: left promiscuous mode [ 92.902247][ T74] hsr_slave_1: left promiscuous mode [ 92.912149][ T74] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 92.921623][ T74] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 92.930904][ T74] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 92.939150][ T74] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 92.959021][ T74] veth1_macvtap: left promiscuous mode [ 92.964868][ T74] veth0_macvtap: left promiscuous mode [ 92.971341][ T74] veth1_vlan: left promiscuous mode [ 92.977512][ T74] veth0_vlan: left promiscuous mode [ 93.337787][ T74] team0 (unregistering): Port device team_slave_1 removed [ 93.364658][ T74] 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-build1353580470=/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 fb8f743dc82 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=fb8f743dc82ba3a879228aa71ce09fdc570665d1 -X github.com/google/syzkaller/prog.gitRevisionDate=20250724-140804" -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=\"fb8f743dc82ba3a879228aa71ce09fdc570665d1\" /usr/bin/ld: /tmp/ccd5xdJR.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