SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) Warning: Permanently added '10.128.0.83' (ED25519) to the list of known hosts. [ 97.807833][ T1218] cfg80211: failed to load regulatory.db 2026/09/01 16:18:32 parsed 1 programs [ 102.432674][ T5617] cgroup: Unknown subsys name 'net' [ 102.545849][ T5617] cgroup: Unknown subsys name 'cpuset' [ 102.555090][ T5617] cgroup: Unknown subsys name 'rlimit' [ 102.555864][ T5617] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 104.317274][ T5617] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 110.340615][ T5694] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 110.350597][ T5694] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 110.353498][ T5694] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 110.367409][ T5694] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 110.378411][ T5694] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 110.521464][ T1156] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.521519][ T1156] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.136089][ T43] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.136134][ T43] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.975293][ T5677] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.990491][ T5677] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.990763][ T5677] bridge_slave_0: entered allmulticast mode [ 112.011092][ T5677] bridge_slave_0: entered promiscuous mode [ 112.025125][ T5677] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.033095][ T5677] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.042304][ T5677] bridge_slave_1: entered allmulticast mode [ 112.049822][ T5677] bridge_slave_1: entered promiscuous mode [ 112.114417][ T5677] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.127832][ T5677] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.185706][ T5677] team0: Port device team_slave_0 added [ 112.195533][ T5677] team0: Port device team_slave_1 added [ 112.238837][ T5677] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.246955][ T5677] 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. [ 112.246991][ T5677] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.249938][ T5677] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.249955][ T5677] 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. [ 112.249983][ T5677] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.383880][ T5677] hsr_slave_0: entered promiscuous mode [ 112.392744][ T5677] hsr_slave_1: entered promiscuous mode [ 112.441479][ T5694] Bluetooth: hci0: command tx timeout [ 112.586655][ T5677] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 112.602875][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 112.607263][ T5677] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 112.623500][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.626566][ T5677] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 112.642465][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.656338][ T5677] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 112.670193][ T5677] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.781608][ T5677] 8021q: adding VLAN 0 to HW filter on device bond0 [ 112.814624][ T5677] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.831970][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.832520][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.868686][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.868975][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.287019][ T5677] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 113.547499][ T5677] veth0_vlan: entered promiscuous mode [ 113.570685][ T5677] veth1_vlan: entered promiscuous mode [ 113.623848][ T5677] veth0_macvtap: entered promiscuous mode [ 113.634288][ T5677] veth1_macvtap: entered promiscuous mode [ 113.672765][ T5677] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 113.690808][ T5677] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 113.767418][ T12] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.801381][ T12] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/09/01 16:18:47 executed programs: 0 [ 113.842233][ T43] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.842331][ T43] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.986501][ T4921] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 113.995545][ T4921] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 114.003827][ T4921] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 114.024967][ T4921] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 114.025993][ T4921] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 114.771943][ T5747] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.772444][ T5747] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.772912][ T5747] bridge_slave_0: entered allmulticast mode [ 114.778513][ T5747] bridge_slave_0: entered promiscuous mode [ 114.801509][ T5747] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.801913][ T5747] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.802439][ T5747] bridge_slave_1: entered allmulticast mode [ 114.807545][ T5747] bridge_slave_1: entered promiscuous mode [ 114.865586][ T5747] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 114.876827][ T5747] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 114.918886][ T5747] team0: Port device team_slave_0 added [ 114.928674][ T5747] team0: Port device team_slave_1 added [ 114.969531][ T5747] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 114.969564][ T5747] 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. [ 114.969590][ T5747] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 114.983874][ T5747] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 114.983951][ T5747] 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. [ 114.984024][ T5747] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 115.090811][ T5747] hsr_slave_0: entered promiscuous mode [ 115.094249][ T5747] hsr_slave_1: entered promiscuous mode [ 115.096662][ T5747] debugfs: 'hsr0' already exists in 'hsr' [ 115.096834][ T5747] Cannot create hsr debugfs directory [ 115.294334][ T5747] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 115.306986][ T5747] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 115.309844][ T5747] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 115.329768][ T5747] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 115.332896][ T5747] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 115.346730][ T5747] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 115.355417][ T5747] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 115.369408][ T5747] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 115.412847][ T5747] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.413612][ T5747] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.417975][ T5747] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.418409][ T5747] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.516811][ T5747] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.537639][ T1176] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.546179][ T1176] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.567556][ T5747] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.584607][ T143] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.585408][ T143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.603872][ T143] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.604081][ T143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.004160][ T5747] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 116.063053][ T5747] veth0_vlan: entered promiscuous mode [ 116.075172][ T5747] veth1_vlan: entered promiscuous mode [ 116.104949][ T5747] veth0_macvtap: entered promiscuous mode [ 116.115579][ T5747] veth1_macvtap: entered promiscuous mode [ 116.132863][ T4921] Bluetooth: hci1: command tx timeout [ 116.149599][ T5747] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 116.162638][ T5747] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 116.221162][ T1156] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.222139][ T1156] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.241209][ T1156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.241304][ T1156] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.298195][ T1156] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.309234][ T1156] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.339864][ T1156] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.339915][ T1156] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 116.888243][ T43] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.976567][ T43] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.115175][ T43] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.203763][ T43] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 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-build3832016178=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/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='go1.26.0' 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/ccIBtQrT.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