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 '10.128.1.164' (ED25519) to the list of known hosts. 2026/04/24 01:49:05 parsed 1 programs [ 86.084841][ T5836] cgroup: Unknown subsys name 'net' [ 86.199813][ T5836] cgroup: Unknown subsys name 'cpuset' [ 86.209406][ T5836] cgroup: Unknown subsys name 'rlimit' [ 86.215065][ T5836] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 87.983317][ T5836] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.623242][ T5870] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.632774][ T5870] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.640880][ T5870] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.649135][ T5870] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.661214][ T5870] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.351965][ T804] cfg80211: failed to load regulatory.db [ 92.388044][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.404225][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.915550][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.941637][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.213470][ T5898] chnl_net:caif_netlink_parms(): no params data found [ 94.499866][ T5898] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.508379][ T5898] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.517044][ T5898] bridge_slave_0: entered allmulticast mode [ 94.525659][ T5898] bridge_slave_0: entered promiscuous mode [ 94.538816][ T5898] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.546373][ T5898] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.553694][ T5898] bridge_slave_1: entered allmulticast mode [ 94.562163][ T5898] bridge_slave_1: entered promiscuous mode [ 94.617422][ T5898] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.631955][ T5898] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.696722][ T5898] team0: Port device team_slave_0 added [ 94.718315][ T5898] team0: Port device team_slave_1 added [ 94.795369][ T5898] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.816406][ T5898] 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. [ 94.846091][ T5898] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.890519][ T5898] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.906344][ T5898] 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. [ 94.934362][ T5898] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.062730][ T5898] hsr_slave_0: entered promiscuous mode [ 95.070004][ T5898] hsr_slave_1: entered promiscuous mode [ 95.227501][ T5898] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 95.242450][ T5898] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 95.252466][ T5898] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 95.263497][ T5898] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 95.272783][ T5898] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 95.283702][ T5898] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 95.292228][ T5898] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 95.303639][ T5898] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 95.382166][ T5898] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.411675][ T5898] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.426082][ T76] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.433819][ T76] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.451508][ T76] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.458762][ T76] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.637379][ T5898] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.688421][ T5898] veth0_vlan: entered promiscuous mode [ 95.700953][ T5898] veth1_vlan: entered promiscuous mode [ 95.735379][ T5898] veth0_macvtap: entered promiscuous mode [ 95.746973][ T5898] veth1_macvtap: entered promiscuous mode [ 95.770608][ T5898] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.784456][ T5898] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.804415][ T36] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.814045][ T36] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.823990][ T36] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.834468][ T36] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/04/24 01:49:17 executed programs: 0 [ 95.990872][ T5153] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.004646][ T5153] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.012637][ T5153] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.021888][ T5153] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.032629][ T5153] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.222816][ T5946] chnl_net:caif_netlink_parms(): no params data found [ 96.305028][ T5946] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.312273][ T5946] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.319788][ T5946] bridge_slave_0: entered allmulticast mode [ 96.328251][ T5946] bridge_slave_0: entered promiscuous mode [ 96.337258][ T5946] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.344523][ T5946] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.352430][ T5946] bridge_slave_1: entered allmulticast mode [ 96.360535][ T5946] bridge_slave_1: entered promiscuous mode [ 96.395414][ T5946] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.409201][ T5946] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.445474][ T5946] team0: Port device team_slave_0 added [ 96.453521][ T5946] team0: Port device team_slave_1 added [ 96.480939][ T5946] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.487985][ T5946] 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. [ 96.514819][ T5946] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.529729][ T5946] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.537068][ T5946] 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. [ 96.563458][ T5946] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.614147][ T5946] hsr_slave_0: entered promiscuous mode [ 96.620722][ T5946] hsr_slave_1: entered promiscuous mode [ 96.627846][ T5946] debugfs: 'hsr0' already exists in 'hsr' [ 96.634397][ T5946] Cannot create hsr debugfs directory [ 96.786777][ T5946] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.798660][ T5946] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 96.807821][ T5946] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.819207][ T5946] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 96.827829][ T5946] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.839341][ T5946] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 96.847602][ T5946] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.858878][ T5946] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 96.894362][ T5946] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.902107][ T5946] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.910194][ T5946] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.917684][ T5946] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.980893][ T5946] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.000504][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.009037][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.024841][ T5946] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.041186][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.048412][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.061225][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.068425][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.261029][ T5946] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.301612][ T5946] veth0_vlan: entered promiscuous mode [ 97.315410][ T5946] veth1_vlan: entered promiscuous mode [ 97.349509][ T5946] veth0_macvtap: entered promiscuous mode [ 97.359572][ T5946] veth1_macvtap: entered promiscuous mode [ 97.380162][ T5946] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.395432][ T5946] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.413059][ T1025] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.423401][ T1025] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.434975][ T1025] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.445536][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.524311][ T1025] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.537686][ T1025] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.572066][ T1025] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.580384][ T1025] 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) [ 98.132354][ T76] netdevsim netdevsim1 netdevsim3 (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-build4136896548=/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='go1.26.0' 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/cciNwvhM.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