lost connection to test machine Warning: Permanently added '10.128.10.6' (ED25519) to the list of known hosts. 2026/02/04 06:31:16 parsed 1 programs syzkaller login: [ 182.810836][ T5786] cgroup: Unknown subsys name 'net' [ 182.924085][ T5786] cgroup: Unknown subsys name 'cpuset' [ 182.938841][ T5786] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 188.523482][ T5786] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 193.420096][ T5799] 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. [ 196.345224][ T137] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 196.353659][ T137] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 196.853308][ T137] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 196.861769][ T137] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 197.976918][ T5862] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 198.011368][ T5862] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 198.033205][ T5862] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 198.052104][ T5862] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 198.067703][ T5862] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 198.583636][ T5840] chnl_net:caif_netlink_parms(): no params data found [ 200.192345][ T5076] Bluetooth: hci0: command tx timeout [ 200.580856][ T5840] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.588575][ T5840] bridge0: port 1(bridge_slave_0) entered disabled state [ 200.598218][ T5840] bridge_slave_0: entered allmulticast mode [ 200.608210][ T5840] bridge_slave_0: entered promiscuous mode [ 200.656266][ T5840] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.663885][ T5840] bridge0: port 2(bridge_slave_1) entered disabled state [ 200.672952][ T5840] bridge_slave_1: entered allmulticast mode [ 200.692772][ T5840] bridge_slave_1: entered promiscuous mode [ 200.876683][ T5840] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 200.918074][ T5840] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 201.107272][ T5840] team0: Port device team_slave_0 added [ 201.131313][ T5840] team0: Port device team_slave_1 added [ 201.230280][ T5840] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 201.239212][ T5840] 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. [ 201.265548][ T5840] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 201.282559][ T5840] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 201.289700][ T5840] 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. [ 201.317012][ T5840] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 201.457014][ T5840] hsr_slave_0: entered promiscuous mode [ 201.465493][ T5840] hsr_slave_1: entered promiscuous mode [ 201.763511][ T5840] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 201.781733][ T5840] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 201.800843][ T5840] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 201.819058][ T5840] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 202.045284][ T5840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 202.088186][ T5840] 8021q: adding VLAN 0 to HW filter on device team0 [ 202.113825][ T137] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.121336][ T137] bridge0: port 1(bridge_slave_0) entered forwarding state [ 202.153273][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.160674][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 202.271526][ T5076] Bluetooth: hci0: command tx timeout [ 202.278578][ T5840] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 202.605447][ T5840] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 202.724136][ T5840] veth0_vlan: entered promiscuous mode [ 202.749694][ T5840] veth1_vlan: entered promiscuous mode [ 202.828533][ T5840] veth0_macvtap: entered promiscuous mode [ 202.847572][ T5840] veth1_macvtap: entered promiscuous mode [ 202.892589][ T5840] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 202.924004][ T5840] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 202.959220][ T154] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 202.969923][ T154] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 202.984393][ T154] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 203.000287][ T154] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/04 06:31:51 executed programs: 0 [ 204.358935][ T5076] Bluetooth: hci0: command tx timeout [ 204.389353][ T5865] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 204.401926][ T5865] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 204.411536][ T5865] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 204.427917][ T5865] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 204.442526][ T5865] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 204.966508][ T5911] chnl_net:caif_netlink_parms(): no params data found [ 205.261984][ T5911] bridge0: port 1(bridge_slave_0) entered blocking state [ 205.269526][ T5911] bridge0: port 1(bridge_slave_0) entered disabled state [ 205.279222][ T5911] bridge_slave_0: entered allmulticast mode [ 205.288141][ T5911] bridge_slave_0: entered promiscuous mode [ 205.303421][ T5911] bridge0: port 2(bridge_slave_1) entered blocking state [ 205.310817][ T5911] bridge0: port 2(bridge_slave_1) entered disabled state [ 205.318699][ T5911] bridge_slave_1: entered allmulticast mode [ 205.328588][ T5911] bridge_slave_1: entered promiscuous mode [ 205.397230][ T5911] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 205.414568][ T5911] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 205.480154][ T5911] team0: Port device team_slave_0 added [ 205.495605][ T5911] team0: Port device team_slave_1 added [ 205.560278][ T5911] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 205.567589][ T5911] 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. [ 205.594390][ T5911] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 205.608900][ T5911] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 205.616388][ T5911] 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. [ 205.643411][ T5911] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 205.734175][ T5911] hsr_slave_0: entered promiscuous mode [ 205.743170][ T5911] hsr_slave_1: entered promiscuous mode [ 205.750590][ T5911] debugfs: 'hsr0' already exists in 'hsr' [ 205.756636][ T5911] Cannot create hsr debugfs directory [ 206.052998][ T5911] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 206.071725][ T5911] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 206.089420][ T5911] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 206.108428][ T5911] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 206.348530][ T5911] 8021q: adding VLAN 0 to HW filter on device bond0 [ 206.396894][ T5911] 8021q: adding VLAN 0 to HW filter on device team0 [ 206.423917][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 206.431378][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 206.439511][ T5865] Bluetooth: hci0: command tx timeout [ 206.459512][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 206.467485][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 206.512316][ T5865] Bluetooth: hci1: command tx timeout [ 206.927762][ T5911] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 207.053277][ T5911] veth0_vlan: entered promiscuous mode [ 207.080353][ T5911] veth1_vlan: entered promiscuous mode [ 207.158056][ T5911] veth0_macvtap: entered promiscuous mode [ 207.175626][ T5911] veth1_macvtap: entered promiscuous mode [ 207.224379][ T5911] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 207.264282][ T5911] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 207.298400][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 207.328104][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 207.347114][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 207.358400][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 208.568499][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 208.576753][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 208.600164][ T5865] Bluetooth: hci1: command tx timeout [ 208.654343][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 208.663310][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 209.135975][ T154] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 209.370832][ T154] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 209.539669][ T154] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 209.636264][ T154] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 210.242806][ T154] bridge_slave_1: left allmulticast mode [ 210.248741][ T154] bridge_slave_1: left promiscuous mode [ 210.255752][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 210.272935][ T154] bridge_slave_0: left allmulticast mode [ 210.278768][ T154] bridge_slave_0: left promiscuous mode [ 210.286775][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 210.858698][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 210.922376][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 210.937293][ T154] bond0 (unregistering): Released all slaves [ 211.221681][ T154] hsr_slave_0: left promiscuous mode [ 211.246966][ T154] hsr_slave_1: left promiscuous mode [ 211.273715][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 211.282294][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 211.341314][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 211.348967][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 211.411879][ T154] veth1_macvtap: left promiscuous mode [ 211.419686][ T154] veth0_macvtap: left promiscuous mode [ 211.444188][ T154] veth1_vlan: left promiscuous mode [ 211.449718][ T154] veth0_vlan: left promiscuous mode [ 212.420355][ T154] team0 (unregistering): Port device team_slave_1 removed [ 212.473093][ T154] team0 (unregistering): Port device team_slave_0 removed [ 213.145860][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.227895][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.315361][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.397006][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 213.745868][ T154] bridge_slave_1: left allmulticast mode [ 213.751916][ T154] bridge_slave_1: left promiscuous mode [ 213.758478][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 213.785673][ T154] bridge_slave_0: left allmulticast mode [ 213.791767][ T154] bridge_slave_0: left promiscuous mode [ 213.798521][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 214.200431][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 214.215318][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 214.228170][ T154] bond0 (unregistering): Released all slaves [ 214.783561][ T154] hsr_slave_0: left promiscuous mode [ 214.832764][ T154] hsr_slave_1: left promiscuous mode [ 214.839846][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 214.850119][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 214.860538][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 214.871212][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 214.901545][ T154] veth1_macvtap: left promiscuous mode [ 214.907265][ T154] veth0_macvtap: left promiscuous mode [ 214.915615][ T154] veth1_vlan: left promiscuous mode [ 214.922652][ T154] veth0_vlan: left promiscuous mode [ 215.594072][ T154] team0 (unregistering): Port device team_slave_1 removed [ 215.654522][ T154] 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-build2903642493=/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 d6526ea3e6 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=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./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=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" -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=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\" /usr/bin/ld: /tmp/ccG1DlXP.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