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 '10.128.0.218' (ED25519) to the list of known hosts. 2025/11/09 22:39:59 parsed 1 programs [ 92.328935][ T5823] cgroup: Unknown subsys name 'net' [ 92.440960][ T5823] cgroup: Unknown subsys name 'cpuset' [ 92.451251][ T5823] cgroup: Unknown subsys name 'rlimit' [ 92.457172][ T5823] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 94.201087][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.708189][ T979] cfg80211: failed to load regulatory.db [ 98.899190][ T5879] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.929591][ T5879] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.945350][ T5879] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.964248][ T5879] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.973780][ T5879] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.937564][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.958721][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.268510][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.301189][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.951624][ T5901] chnl_net:caif_netlink_parms(): no params data found [ 101.171221][ T5901] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.179670][ T5901] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.187990][ T5901] bridge_slave_0: entered allmulticast mode [ 101.196435][ T5901] bridge_slave_0: entered promiscuous mode [ 101.210772][ T5901] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.218160][ T5901] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.225427][ T5901] bridge_slave_1: entered allmulticast mode [ 101.234633][ T5901] bridge_slave_1: entered promiscuous mode [ 101.303002][ T5901] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.321822][ T5901] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.383595][ T5901] team0: Port device team_slave_0 added [ 101.392740][ T5901] team0: Port device team_slave_1 added [ 101.441157][ T5901] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.448284][ T5901] 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. [ 101.475816][ T5901] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.492773][ T5901] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.500227][ T5901] 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. [ 101.528652][ T5901] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.587310][ T5901] hsr_slave_0: entered promiscuous mode [ 101.593836][ T5901] hsr_slave_1: entered promiscuous mode [ 101.752446][ T5901] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 101.766956][ T5901] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 101.778555][ T5901] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 101.790858][ T5901] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 101.825624][ T5901] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.832945][ T5901] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.841273][ T5901] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.848461][ T5901] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.911584][ T5901] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.932580][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.941575][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.964131][ T5901] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.978577][ T132] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.985817][ T132] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.003342][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.010563][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.212998][ T5901] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.263229][ T5901] veth0_vlan: entered promiscuous mode [ 102.279580][ T5901] veth1_vlan: entered promiscuous mode [ 102.312709][ T5901] veth0_macvtap: entered promiscuous mode [ 102.322690][ T5901] veth1_macvtap: entered promiscuous mode [ 102.342099][ T5901] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.357564][ T5901] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.374586][ T13] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.385162][ T13] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.398461][ T13] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.407813][ T13] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/11/09 22:40:13 executed programs: 0 [ 102.558098][ T5140] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 102.570220][ T5140] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 102.579126][ T5140] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 102.588796][ T5140] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 102.596713][ T5140] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 102.864090][ T5933] chnl_net:caif_netlink_parms(): no params data found [ 102.975717][ T5933] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.983386][ T5933] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.990772][ T5933] bridge_slave_0: entered allmulticast mode [ 102.998905][ T5933] bridge_slave_0: entered promiscuous mode [ 103.007311][ T5933] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.014508][ T5933] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.022300][ T5933] bridge_slave_1: entered allmulticast mode [ 103.030248][ T5933] bridge_slave_1: entered promiscuous mode [ 103.071275][ T5933] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.084132][ T5933] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.122493][ T5933] team0: Port device team_slave_0 added [ 103.132182][ T5933] team0: Port device team_slave_1 added [ 103.166302][ T5933] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.173409][ T5933] 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. [ 103.199398][ T5933] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.212309][ T5933] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.219691][ T5933] 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. [ 103.246123][ T5933] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.304536][ T5933] hsr_slave_0: entered promiscuous mode [ 103.311599][ T5933] hsr_slave_1: entered promiscuous mode [ 103.318043][ T5933] debugfs: 'hsr0' already exists in 'hsr' [ 103.323935][ T5933] Cannot create hsr debugfs directory [ 103.500915][ T5933] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.511692][ T5933] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.522357][ T5933] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.537774][ T5933] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.574481][ T5933] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.581688][ T5933] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.641796][ T5933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.657277][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.676952][ T5933] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.692539][ T132] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.699714][ T132] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.715473][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.722670][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.780017][ T5933] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 103.792887][ T5933] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 103.962234][ T5933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.009076][ T5933] veth0_vlan: entered promiscuous mode [ 104.022264][ T5933] veth1_vlan: entered promiscuous mode [ 104.054072][ T5933] veth0_macvtap: entered promiscuous mode [ 104.063842][ T5933] veth1_macvtap: entered promiscuous mode [ 104.085822][ T5933] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.101620][ T5933] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.121140][ T132] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.130178][ T132] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.141014][ T132] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.151429][ T132] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.229573][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.237639][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.274483][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.283530][ T13] 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) [ 104.553646][ T132] netdevsim netdevsim3 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-build1575562146=/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='go1.24.4' 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/ccSAb1uN.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): 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