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 '10.128.0.29' (ED25519) to the list of known hosts. 2026/10/05 14:50:45 parsed 1 programs [ 87.252213][ T5617] cgroup: Unknown subsys name 'net' [ 87.367427][ T5617] cgroup: Unknown subsys name 'cpuset' [ 87.371033][ T5617] cgroup: Unknown subsys name 'rlimit' [ 87.371219][ T5617] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 87.706219][ T1219] cfg80211: failed to load regulatory.db [ 89.161037][ T5617] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 94.929770][ T5685] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.932036][ T5685] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.932751][ T5685] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.957538][ T5685] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.958919][ T5685] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.918387][ T29] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.918411][ T29] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.417512][ T1171] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.417530][ T1171] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.064002][ T5685] Bluetooth: hci0: command tx timeout [ 97.189311][ T5679] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.191150][ T5679] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.191426][ T5679] bridge_slave_0: entered allmulticast mode [ 97.192837][ T5679] bridge_slave_0: entered promiscuous mode [ 97.202622][ T5679] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.202815][ T5679] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.213161][ T5679] bridge_slave_1: entered allmulticast mode [ 97.216523][ T5679] bridge_slave_1: entered promiscuous mode [ 97.278586][ T5679] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.280982][ T5679] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.327610][ T5679] team0: Port device team_slave_0 added [ 97.331172][ T5679] team0: Port device team_slave_1 added [ 97.362675][ T5679] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.362693][ T5679] 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. [ 97.362708][ T5679] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.367134][ T5679] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.367151][ T5679] 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. [ 97.367171][ T5679] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.465563][ T5679] hsr_slave_0: entered promiscuous mode [ 97.466372][ T5679] hsr_slave_1: entered promiscuous mode [ 97.643763][ T5679] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 97.652549][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 97.664525][ T5679] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 97.676374][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 97.678605][ T5679] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 97.690581][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 97.697244][ T5679] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 97.712385][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 97.746124][ T5679] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.746203][ T5679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.746551][ T5679] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.746620][ T5679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.825678][ T5679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.847842][ T61] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.848758][ T61] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.877753][ T5679] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.891992][ T1171] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.892065][ T1171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.893601][ T1171] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.893711][ T1171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.265587][ T5679] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.320239][ T5679] veth0_vlan: entered promiscuous mode [ 98.331560][ T5679] veth1_vlan: entered promiscuous mode [ 98.369191][ T5679] veth0_macvtap: entered promiscuous mode [ 98.384972][ T5679] veth1_macvtap: entered promiscuous mode [ 98.407793][ T5679] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.428693][ T5679] batman_adv: batadv0: Interface activated: batadv_slave_1 2026/10/05 14:50:59 executed programs: 0 [ 98.494139][ T1171] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.495623][ T1171] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.495912][ T1171] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.495948][ T1171] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.676265][ T52] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 98.678194][ T52] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 98.678671][ T52] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 98.680277][ T52] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 98.681055][ T52] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 99.143767][ T52] Bluetooth: hci0: command tx timeout [ 99.367154][ T5740] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.367247][ T5740] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.367340][ T5740] bridge_slave_0: entered allmulticast mode [ 99.368524][ T5740] bridge_slave_0: entered promiscuous mode [ 99.399420][ T5740] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.399537][ T5740] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.399651][ T5740] bridge_slave_1: entered allmulticast mode [ 99.400881][ T5740] bridge_slave_1: entered promiscuous mode [ 99.445357][ T5740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.448318][ T5740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.497096][ T5740] team0: Port device team_slave_0 added [ 99.501015][ T5740] team0: Port device team_slave_1 added [ 99.538757][ T5740] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.538776][ T5740] 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. [ 99.538798][ T5740] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.540314][ T5740] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.540328][ T5740] 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. [ 99.540350][ T5740] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.650153][ T5740] hsr_slave_0: entered promiscuous mode [ 99.652166][ T5740] hsr_slave_1: entered promiscuous mode [ 99.652658][ T5740] debugfs: 'hsr0' already exists in 'hsr' [ 99.652745][ T5740] Cannot create hsr debugfs directory [ 99.838657][ T5740] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.854883][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 99.856084][ T5740] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.859481][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 99.861181][ T5740] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.865296][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 99.866311][ T5740] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.885377][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 99.930269][ T5740] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.930380][ T5740] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.931009][ T5740] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.931094][ T5740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.028211][ T1171] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.029119][ T1171] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.060199][ T5740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.079789][ T5740] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.095930][ T1171] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.096032][ T1171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.097713][ T1171] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.097790][ T1171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.580462][ T5740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.658080][ T5740] veth0_vlan: entered promiscuous mode [ 100.676010][ T5740] veth1_vlan: entered promiscuous mode [ 100.721286][ T5740] veth0_macvtap: entered promiscuous mode [ 100.735049][ T5740] veth1_macvtap: entered promiscuous mode [ 100.752056][ T52] Bluetooth: hci1: command tx timeout [ 100.759634][ T5740] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.778361][ T5740] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.833652][ T61] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.883930][ T61] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.894386][ T61] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.894590][ T61] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.938074][ T29] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.938105][ T29] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.985907][ T29] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.985932][ T29] 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) [ 101.849160][ T29] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.946205][ T29] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.064078][ T29] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.139270][ T29] netdevsim netdevsim1 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-build2244679663=/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 4e1406b4def 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=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" ./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=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" -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=\"4e1406b4defac0e2a9d9424c70706f79a7750cf3\" /usr/bin/ld: /tmp/ccP7MvnF.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