lost connection to test machine [ 101.508428][ T3089] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.221' (ED25519) to the list of known hosts. 2026/02/03 07:41:09 parsed 1 programs [ 108.953586][ T5824] cgroup: Unknown subsys name 'net' [ 109.111029][ T5824] cgroup: Unknown subsys name 'cpuset' [ 109.121157][ T5824] cgroup: Unknown subsys name 'rlimit' [ 109.408856][ T5834] EXT4-fs DEBUG: inode=1311 i_mode=0x81ed i_flags=0x80000 i_size_lo=14256 i_size_hi=0 [ 109.419834][ T5834] EXT4-fs DEBUG: inode=1311 has EXTENTS flag set! Setting up swapspace version 1, size = 127995904 bytes [ 110.865195][ T5824] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 114.038085][ T5845] 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. [ 114.073401][ T4254] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 114.085556][ T4254] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 114.455712][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 114.459277][ T5846] chnl_net:caif_netlink_parms(): no params data found [ 114.466207][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.053719][ T5846] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.061847][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 115.071240][ T5846] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.078730][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 115.088375][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 115.097293][ T5846] bridge_slave_0: entered allmulticast mode [ 115.103662][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 115.111761][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 115.122627][ T5846] bridge_slave_0: entered promiscuous mode [ 115.193824][ T5846] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.221916][ T5846] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.238429][ T5846] bridge_slave_1: entered allmulticast mode [ 115.256077][ T5846] bridge_slave_1: entered promiscuous mode [ 115.418143][ T5846] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 115.539292][ T5846] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 115.921187][ T5846] team0: Port device team_slave_0 added [ 115.990599][ T5846] team0: Port device team_slave_1 added [ 116.082646][ T5846] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 116.089665][ T5846] 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. [ 116.115753][ T5846] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 116.182624][ T5846] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 116.190052][ T5846] 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. [ 116.216125][ T5846] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 116.716438][ T5846] hsr_slave_0: entered promiscuous mode [ 116.723317][ T5846] hsr_slave_1: entered promiscuous mode [ 117.794383][ T5846] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 117.826987][ T5846] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 117.850245][ T5846] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 117.871711][ T5846] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 118.071567][ T5846] 8021q: adding VLAN 0 to HW filter on device bond0 [ 118.108915][ T5846] 8021q: adding VLAN 0 to HW filter on device team0 [ 118.124345][ T71] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.131771][ T71] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.151778][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.158912][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 118.473114][ T5846] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 118.523374][ T5846] veth0_vlan: entered promiscuous mode [ 118.537313][ T5846] veth1_vlan: entered promiscuous mode [ 118.570513][ T5846] veth0_macvtap: entered promiscuous mode [ 118.582126][ T5846] veth1_macvtap: entered promiscuous mode [ 118.604595][ T5846] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 118.620480][ T5846] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 118.637368][ T36] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.646465][ T36] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.655243][ T36] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.668163][ T36] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/03 07:41:24 executed programs: 0 [ 118.879052][ T5140] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 118.888068][ T5140] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 118.895798][ T5140] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 118.905059][ T5140] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 118.915748][ T5140] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 119.211615][ T5934] chnl_net:caif_netlink_parms(): no params data found [ 119.307633][ T5934] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.314846][ T5934] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.322307][ T5934] bridge_slave_0: entered allmulticast mode [ 119.329835][ T5934] bridge_slave_0: entered promiscuous mode [ 119.339059][ T5934] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.348163][ T5934] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.355500][ T5934] bridge_slave_1: entered allmulticast mode [ 119.363298][ T5934] bridge_slave_1: entered promiscuous mode [ 119.400333][ T5934] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.413209][ T5934] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.453708][ T5934] team0: Port device team_slave_0 added [ 119.463066][ T5934] team0: Port device team_slave_1 added [ 119.497209][ T5934] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.504175][ T5934] 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. [ 119.532328][ T5934] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.546512][ T5934] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.553557][ T5934] 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. [ 119.580269][ T5934] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.639230][ T5934] hsr_slave_0: entered promiscuous mode [ 119.645757][ T5934] hsr_slave_1: entered promiscuous mode [ 119.652723][ T5934] debugfs: 'hsr0' already exists in 'hsr' [ 119.658702][ T5934] Cannot create hsr debugfs directory [ 119.855037][ T5934] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 119.867221][ T5934] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 119.878248][ T5934] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 119.890501][ T5934] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 119.986092][ T5934] 8021q: adding VLAN 0 to HW filter on device bond0 [ 120.015814][ T5934] 8021q: adding VLAN 0 to HW filter on device team0 [ 120.030411][ T71] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.037743][ T71] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.053693][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.060840][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.302006][ T5934] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 120.354661][ T5934] veth0_vlan: entered promiscuous mode [ 120.369651][ T5934] veth1_vlan: entered promiscuous mode [ 120.402540][ T5934] veth0_macvtap: entered promiscuous mode [ 120.413314][ T5934] veth1_macvtap: entered promiscuous mode [ 120.435142][ T5934] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 120.450894][ T5934] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 120.465800][ T71] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.478819][ T71] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.494866][ T71] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.504263][ T71] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.573104][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 120.581269][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 120.620694][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 120.630246][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 120.947134][ T5140] Bluetooth: hci0: command tx timeout [ 121.443871][ T50] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.038891][ T50] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.111026][ T50] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.152364][ T50] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.287821][ T50] bridge_slave_1: left allmulticast mode [ 122.294531][ T50] bridge_slave_1: left promiscuous mode [ 122.301089][ T50] bridge0: port 2(bridge_slave_1) entered disabled state [ 122.313574][ T50] bridge_slave_0: left allmulticast mode [ 122.323553][ T50] bridge_slave_0: left promiscuous mode [ 122.329648][ T50] bridge0: port 1(bridge_slave_0) entered disabled state [ 122.657213][ T50] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 122.668427][ T50] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 122.685192][ T50] bond0 (unregistering): Released all slaves [ 122.813567][ T50] hsr_slave_0: left promiscuous mode [ 122.824368][ T50] hsr_slave_1: left promiscuous mode [ 122.834742][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 122.842240][ T50] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 122.851144][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 122.859179][ T50] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 122.884287][ T50] veth1_macvtap: left promiscuous mode [ 122.890143][ T50] veth0_macvtap: left promiscuous mode [ 122.895990][ T50] veth1_vlan: left promiscuous mode [ 122.901750][ T50] veth0_vlan: left promiscuous mode [ 123.414964][ T50] team0 (unregistering): Port device team_slave_1 removed [ 123.453945][ T50] team0 (unregistering): Port device team_slave_0 removed [ 124.139994][ T50] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 124.221715][ T50] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 124.292342][ T50] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 124.386012][ T50] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 124.525472][ T50] bridge_slave_1: left allmulticast mode [ 124.531603][ T50] bridge_slave_1: left promiscuous mode [ 124.538156][ T50] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.550777][ T50] bridge_slave_0: left allmulticast mode [ 124.557808][ T50] bridge_slave_0: left promiscuous mode [ 124.563691][ T50] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.845360][ T50] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 124.859520][ T50] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 124.872053][ T50] bond0 (unregistering): Released all slaves [ 125.146756][ T50] hsr_slave_0: left promiscuous mode [ 125.152946][ T50] hsr_slave_1: left promiscuous mode [ 125.163809][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 125.172813][ T50] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 125.190084][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 125.197620][ T50] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 125.221387][ T50] veth1_macvtap: left promiscuous mode [ 125.227178][ T50] veth0_macvtap: left promiscuous mode [ 125.232863][ T50] veth1_vlan: left promiscuous mode [ 125.239905][ T50] veth0_vlan: left promiscuous mode [ 125.713684][ T50] team0 (unregistering): Port device team_slave_1 removed [ 125.742133][ T50] 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-build1470544453=/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 6b8752f20c 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=6b8752f20c06eee857545047ab920e63322bf4c8 -X github.com/google/syzkaller/prog.gitRevisionDate=20260131-204520" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=6b8752f20c06eee857545047ab920e63322bf4c8 -X github.com/google/syzkaller/prog.gitRevisionDate=20260131-204520" ./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=6b8752f20c06eee857545047ab920e63322bf4c8 -X github.com/google/syzkaller/prog.gitRevisionDate=20260131-204520" -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=\"6b8752f20c06eee857545047ab920e63322bf4c8\" /usr/bin/ld: /tmp/ccJTB0zs.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