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 '10.128.1.235' (ED25519) to the list of known hosts. 1970/01/01 00:00:26 parsed 1 programs [ 27.427648][ T6100] cgroup: Unknown subsys name 'net' [ 27.597313][ T6100] cgroup: Unknown subsys name 'cpuset' [ 27.599308][ T6100] cgroup: Unknown subsys name 'rlimit' [ 27.599684][ T6100] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 27.798142][ T6100] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 35.136374][ T6117] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.142299][ T6117] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.143879][ T6117] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.145695][ T6117] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.147320][ T6117] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.549212][ T752] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.549241][ T752] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.776123][ T42] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.777842][ T42] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.947231][ T6161] chnl_net:caif_netlink_parms(): no params data found [ 36.103879][ T6161] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.105419][ T6161] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.106739][ T6161] bridge_slave_0: entered allmulticast mode [ 36.108264][ T6161] bridge_slave_0: entered promiscuous mode [ 36.224474][ T6161] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.225792][ T6161] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.227566][ T6161] bridge_slave_1: entered allmulticast mode [ 36.228453][ T6161] bridge_slave_1: entered promiscuous mode [ 36.253025][ T6161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.255519][ T6161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.268654][ T6161] team0: Port device team_slave_0 added [ 36.271127][ T6161] team0: Port device team_slave_1 added [ 36.282782][ T6161] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.284043][ T6161] 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. [ 36.285971][ T6161] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.286862][ T6161] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.286872][ T6161] 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. [ 36.286883][ T6161] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.306110][ T6161] hsr_slave_0: entered promiscuous mode [ 36.306477][ T6161] hsr_slave_1: entered promiscuous mode [ 36.431608][ T6161] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 36.434243][ T6161] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 36.436943][ T6161] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 36.439029][ T6161] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 36.448385][ T6161] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.448425][ T6161] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.448619][ T6161] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.448644][ T6161] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.493796][ T6161] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.498409][ T752] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.499763][ T752] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.504503][ T6161] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.507382][ T3153] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.507420][ T3153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.511717][ T752] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.511761][ T752] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.653372][ T6161] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.665718][ T6161] veth0_vlan: entered promiscuous mode [ 36.669432][ T6161] veth1_vlan: entered promiscuous mode [ 36.675158][ T6161] veth0_macvtap: entered promiscuous mode [ 36.676901][ T6161] veth1_macvtap: entered promiscuous mode [ 36.889615][ T6161] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.893617][ T6161] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.906147][ T752] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.906186][ T752] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.906207][ T752] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.906221][ T752] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:36 executed programs: 0 [ 36.973957][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.974357][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.974523][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.974824][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.975006][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.032485][ T6208] chnl_net:caif_netlink_parms(): no params data found [ 37.050833][ T6208] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.050905][ T6208] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.050972][ T6208] bridge_slave_0: entered allmulticast mode [ 37.051388][ T6208] bridge_slave_0: entered promiscuous mode [ 37.052416][ T6208] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.052458][ T6208] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.052513][ T6208] bridge_slave_1: entered allmulticast mode [ 37.052900][ T6208] bridge_slave_1: entered promiscuous mode [ 37.062063][ T6208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.062890][ T6208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.071096][ T6208] team0: Port device team_slave_0 added [ 37.071784][ T6208] team0: Port device team_slave_1 added [ 37.078257][ T6208] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.078277][ T6208] 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. [ 37.078291][ T6208] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.078813][ T6208] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.078820][ T6208] 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. [ 37.078831][ T6208] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.097819][ T6208] hsr_slave_0: entered promiscuous mode [ 37.098145][ T6208] hsr_slave_1: entered promiscuous mode [ 37.098358][ T6208] debugfs: 'hsr0' already exists in 'hsr' [ 37.098401][ T6208] Cannot create hsr debugfs directory [ 37.138069][ T6208] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.140824][ T6208] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.143095][ T6208] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.145124][ T6208] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.153228][ T6208] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.153266][ T6208] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.153336][ T6208] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.153361][ T6208] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.168871][ T6208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.171744][ T441] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.173204][ T441] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.177513][ T6208] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.179503][ T752] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.179542][ T752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.183641][ T598] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.183672][ T598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.235636][ T6208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.246242][ T6208] veth0_vlan: entered promiscuous mode [ 37.248877][ T6208] veth1_vlan: entered promiscuous mode [ 37.255680][ T6208] veth0_macvtap: entered promiscuous mode [ 37.257483][ T6208] veth1_macvtap: entered promiscuous mode [ 37.261356][ T6208] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.265191][ T6208] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.269214][ T42] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.270719][ T42] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.272633][ T42] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.274096][ T42] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.292181][ T598] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.292216][ T598] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.301023][ T752] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.301053][ T752] 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-build307279866=/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=arm64 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_arm64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_arm64 aarch64-linux-gnu-g++ -o ./bin/linux_arm64/syz-executor executor/executor.cc \ -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_arm64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\" /usr/lib/gcc-cross/aarch64-linux-gnu/12/../../../../aarch64-linux-gnu/bin/ld: /tmp/cciBbIm8.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0xd8): 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