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 '10.128.0.215' (ED25519) to the list of known hosts. 2025/12/10 10:51:06 parsed 1 programs [ 90.996439][ T5823] cgroup: Unknown subsys name 'net' [ 91.121421][ T5823] cgroup: Unknown subsys name 'cpuset' [ 91.130925][ T5823] cgroup: Unknown subsys name 'rlimit' [ 91.136724][ T5823] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 92.922455][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.050475][ T5842] chnl_net:caif_netlink_parms(): no params data found [ 96.165353][ T5842] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.173245][ T5842] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.181015][ T5842] bridge_slave_0: entered allmulticast mode [ 96.188554][ T5842] bridge_slave_0: entered promiscuous mode [ 96.198590][ T5842] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.205886][ T5842] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.213235][ T5842] bridge_slave_1: entered allmulticast mode [ 96.220815][ T5842] bridge_slave_1: entered promiscuous mode [ 96.254526][ T5842] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.266500][ T5842] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.301923][ T5842] team0: Port device team_slave_0 added [ 96.310329][ T5842] team0: Port device team_slave_1 added [ 96.340926][ T5842] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.348383][ T5842] 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. [ 96.374919][ T5842] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.387941][ T5842] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.395019][ T5842] 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. [ 96.421206][ T5842] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.469026][ T5842] hsr_slave_0: entered promiscuous mode [ 96.475586][ T5842] hsr_slave_1: entered promiscuous mode [ 96.635439][ T5842] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.648790][ T5842] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.660250][ T5842] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.672068][ T5842] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.708894][ T5842] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.716200][ T5842] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.724383][ T5842] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.731595][ T5842] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.792003][ T5842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.813681][ T50] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.823034][ T50] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.839512][ T5842] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.853800][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.861119][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.875778][ T50] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.882963][ T50] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.067791][ T5842] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.111189][ T5842] veth0_vlan: entered promiscuous mode [ 97.126241][ T5842] veth1_vlan: entered promiscuous mode [ 97.158640][ T5842] veth0_macvtap: entered promiscuous mode [ 97.169080][ T5842] veth1_macvtap: entered promiscuous mode [ 97.189042][ T5842] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.205164][ T5842] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.221671][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.232991][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.244467][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.254581][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.283840][ T43] cfg80211: failed to load regulatory.db [ 97.431086][ T50] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.530874][ T50] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.603252][ T50] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.693641][ T50] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.483016][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.495017][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.523793][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.533442][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.934809][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.945876][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.954244][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.963772][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.971851][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.749088][ T50] bridge_slave_1: left allmulticast mode [ 99.755002][ T50] bridge_slave_1: left promiscuous mode [ 99.768435][ T50] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.782224][ T50] bridge_slave_0: left allmulticast mode [ 99.789731][ T50] bridge_slave_0: left promiscuous mode [ 99.795941][ T50] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.088381][ T50] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 100.100187][ T50] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 100.110712][ T50] bond0 (unregistering): Released all slaves [ 100.267557][ T50] hsr_slave_0: left promiscuous mode [ 100.278225][ T50] hsr_slave_1: left promiscuous mode [ 100.284518][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 100.311834][ T50] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.321372][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 100.339291][ T50] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 100.381958][ T50] veth1_macvtap: left promiscuous mode [ 100.397353][ T50] veth0_macvtap: left promiscuous mode [ 100.403323][ T50] veth1_vlan: left promiscuous mode [ 100.437665][ T50] veth0_vlan: left promiscuous mode [ 101.023294][ T50] team0 (unregistering): Port device team_slave_1 removed [ 101.055417][ T50] team0 (unregistering): Port device team_slave_0 removed 2025/12/10 10:51:22 executed programs: 0 [ 103.427504][ T5140] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.438578][ T5140] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.450815][ T5140] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.459709][ T5140] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.467660][ T5140] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 103.845142][ T5977] chnl_net:caif_netlink_parms(): no params data found [ 103.978071][ T5977] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.985244][ T5977] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.997904][ T5977] bridge_slave_0: entered allmulticast mode [ 104.005843][ T5977] bridge_slave_0: entered promiscuous mode [ 104.018684][ T5977] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.026171][ T5977] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.034647][ T5977] bridge_slave_1: entered allmulticast mode [ 104.042985][ T5977] bridge_slave_1: entered promiscuous mode [ 104.088258][ T5977] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.101442][ T5977] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.150961][ T5977] team0: Port device team_slave_0 added [ 104.159712][ T5977] team0: Port device team_slave_1 added [ 104.211929][ T5977] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.220193][ T5977] 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. [ 104.247502][ T5977] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.263197][ T5977] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.270664][ T5977] 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. [ 104.297936][ T5977] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 104.367201][ T5977] hsr_slave_0: entered promiscuous mode [ 104.373644][ T5977] hsr_slave_1: entered promiscuous mode [ 105.070411][ T5977] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.085820][ T5977] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.101484][ T5977] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.143181][ T5977] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.283899][ T5977] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.310659][ T5977] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.326594][ T3423] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.334034][ T3423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.360431][ T3423] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.367752][ T3423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.518853][ T5140] Bluetooth: hci0: command tx timeout [ 105.672058][ T5977] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.742981][ T5977] veth0_vlan: entered promiscuous mode [ 105.760109][ T5977] veth1_vlan: entered promiscuous mode [ 105.805301][ T5977] veth0_macvtap: entered promiscuous mode [ 105.817633][ T5977] veth1_macvtap: entered promiscuous mode [ 105.843590][ T5977] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.863574][ T5977] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.887931][ T50] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.900636][ T50] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.928750][ T50] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.951523][ T50] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.032185][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.051293][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.091369][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.100499][ 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) 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-build740438799=/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 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/ccUhMmPO.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