lost connection to test machine Warning: Permanently added '[localhost]:16027' (ED25519) to the list of known hosts. 2026/02/02 22:00:33 parsed 1 programs syzkaller login: [ 89.589803][ T5311] cgroup: Unknown subsys name 'net' [ 89.661818][ T5311] cgroup: Unknown subsys name 'cpuset' [ 89.667729][ T5311] cgroup: Unknown subsys name 'rlimit' [ 91.518377][ T5311] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.604379][ T5311] ODEBUG: Out of memory. ODEBUG disabled [ 97.089655][ T1226] cfg80211: failed to load regulatory.db [ 97.664280][ T5335] 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. [ 100.100346][ T5374] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.112064][ T5374] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.115674][ T5374] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.119627][ T5374] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.123554][ T5374] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.798228][ T1039] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.802967][ T1039] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.266158][ T1039] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.291268][ T1039] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.912736][ T5360] syz-executor (5360) used greatest stack depth: 17656 bytes left [ 102.648725][ T5362] chnl_net:caif_netlink_parms(): no params data found [ 103.314417][ T5362] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.338428][ T5362] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.347653][ T5362] bridge_slave_0: entered allmulticast mode [ 103.358274][ T5362] bridge_slave_0: entered promiscuous mode [ 103.378808][ T5362] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.387454][ T5362] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.390653][ T5362] bridge_slave_1: entered allmulticast mode [ 103.419740][ T5362] bridge_slave_1: entered promiscuous mode [ 103.505841][ T5362] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.535290][ T5362] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.600482][ T5362] team0: Port device team_slave_0 added [ 103.604822][ T5362] team0: Port device team_slave_1 added [ 103.664566][ T5362] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.688189][ T5362] 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. [ 103.727582][ T5362] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.744743][ T5362] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.757635][ T5362] 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. [ 103.789222][ T5362] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.904842][ T5362] hsr_slave_0: entered promiscuous mode [ 103.915110][ T5362] hsr_slave_1: entered promiscuous mode [ 104.251983][ T5362] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 104.288021][ T5362] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 104.306755][ T5362] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 104.331909][ T5362] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 104.501591][ T5362] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.529933][ T5362] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.541398][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.544871][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.570243][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.573363][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.939645][ T5362] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.029377][ T5362] veth0_vlan: entered promiscuous mode [ 105.056838][ T5362] veth1_vlan: entered promiscuous mode [ 105.130821][ T5362] veth0_macvtap: entered promiscuous mode [ 105.136149][ T5362] veth1_macvtap: entered promiscuous mode [ 105.181141][ T5362] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.210515][ T5362] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.254357][ T43] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.260545][ T43] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.264438][ T43] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.301965][ T43] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/02 22:00:52 executed programs: 0 [ 105.620701][ T4667] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.625246][ T4667] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.660000][ T4667] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.666041][ T4667] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.669915][ T4667] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.391754][ T5430] chnl_net:caif_netlink_parms(): no params data found [ 106.573338][ T5430] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.597511][ T5430] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.601015][ T5430] bridge_slave_0: entered allmulticast mode [ 106.604842][ T5430] bridge_slave_0: entered promiscuous mode [ 106.630444][ T5430] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.633528][ T5430] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.638455][ T5430] bridge_slave_1: entered allmulticast mode [ 106.652824][ T5430] bridge_slave_1: entered promiscuous mode [ 106.699369][ T5430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 106.718897][ T5430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 106.763747][ T5430] team0: Port device team_slave_0 added [ 106.769256][ T5430] team0: Port device team_slave_1 added [ 106.821322][ T5430] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 106.824545][ T5430] 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. [ 106.858035][ T5430] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 106.869334][ T5430] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 106.872390][ T5430] 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. [ 106.898060][ T5430] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 106.968836][ T5430] hsr_slave_0: entered promiscuous mode [ 106.972169][ T5430] hsr_slave_1: entered promiscuous mode [ 106.978024][ T5430] debugfs: 'hsr0' already exists in 'hsr' [ 106.980768][ T5430] Cannot create hsr debugfs directory [ 107.243736][ T5430] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 107.250637][ T5430] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 107.263708][ T5430] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 107.278499][ T5430] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 107.399746][ T5430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.419223][ T5430] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.428776][ T1039] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.432375][ T1039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.442900][ T1039] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.446097][ T1039] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.641153][ T5430] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.679755][ T5430] veth0_vlan: entered promiscuous mode [ 107.687170][ T5430] veth1_vlan: entered promiscuous mode [ 107.716731][ T5430] veth0_macvtap: entered promiscuous mode [ 107.723347][ T4667] Bluetooth: hci0: command tx timeout [ 107.731289][ T5430] veth1_macvtap: entered promiscuous mode [ 107.745925][ T5430] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.755387][ T5430] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.765532][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.780487][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.784489][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.810082][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.844636][ T43] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.849543][ T43] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.908920][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.913285][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.534517][ T13] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.610472][ T13] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.669941][ T13] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.708500][ T13] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.898505][ T13] bridge_slave_1: left allmulticast mode [ 108.901623][ T13] bridge_slave_1: left promiscuous mode [ 108.920228][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.934474][ T13] bridge_slave_0: left allmulticast mode [ 108.937044][ T13] bridge_slave_0: left promiscuous mode [ 108.957943][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.750585][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.756576][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.763596][ T13] bond0 (unregistering): Released all slaves [ 109.874242][ T13] hsr_slave_0: left promiscuous mode [ 109.887689][ T13] hsr_slave_1: left promiscuous mode [ 109.894330][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 109.908184][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 109.921785][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 109.925054][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 109.979079][ T13] veth1_macvtap: left promiscuous mode [ 109.982019][ T13] veth0_macvtap: left promiscuous mode [ 109.984595][ T13] veth1_vlan: left promiscuous mode [ 109.987016][ T13] veth0_vlan: left promiscuous mode [ 110.383309][ T13] team0 (unregistering): Port device team_slave_1 removed [ 110.401838][ T13] team0 (unregistering): Port device team_slave_0 removed [ 110.912000][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.072443][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.129212][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.186111][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.356912][ T13] bridge_slave_1: left allmulticast mode [ 111.361152][ T13] bridge_slave_1: left promiscuous mode [ 111.363813][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.372787][ T13] bridge_slave_0: left allmulticast mode [ 111.375315][ T13] bridge_slave_0: left promiscuous mode [ 111.378524][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.571357][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 111.576466][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 111.581899][ T13] bond0 (unregistering): Released all slaves [ 111.818093][ T13] hsr_slave_0: left promiscuous mode [ 111.830150][ T13] hsr_slave_1: left promiscuous mode [ 111.833111][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 111.836374][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 111.859952][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 111.863146][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 111.883746][ T13] veth1_macvtap: left promiscuous mode [ 111.886246][ T13] veth0_macvtap: left promiscuous mode [ 111.898409][ T13] veth1_vlan: left promiscuous mode [ 111.900991][ T13] veth0_vlan: left promiscuous mode [ 112.185280][ T13] team0 (unregistering): Port device team_slave_1 removed [ 112.202956][ T13] 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-build1447270688=/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/ccmsmUhe.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