SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument). Warning: Permanently added '[localhost]:25612' (ED25519) to the list of known hosts. 2026/09/28 15:31:20 parsed 1 programs 2026/09/28 15:31:20 serving rpc on tcp://36177 [ 47.553227][ T5746] cgroup: Unknown subsys name 'net' [ 47.698693][ T5746] cgroup: Unknown subsys name 'cpuset' [ 47.702860][ T5746] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 48.856439][ T5746] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 51.171997][ T5752] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 51.176597][ T5752] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 51.187163][ T5752] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 51.584025][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.584041][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.638990][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.639014][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.584253][ T5769] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.584749][ T5769] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.584809][ T5769] bridge_slave_0: entered allmulticast mode [ 52.586142][ T5769] bridge_slave_0: entered promiscuous mode [ 52.588800][ T5769] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.588842][ T5769] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.588899][ T5769] bridge_slave_1: entered allmulticast mode [ 52.589826][ T5769] bridge_slave_1: entered promiscuous mode [ 52.609061][ T5769] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.612156][ T5769] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.634772][ T5769] team0: Port device team_slave_0 added [ 52.637853][ T5769] team0: Port device team_slave_1 added [ 52.659595][ T5769] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.659612][ T5769] 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. [ 52.659634][ T5769] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.661967][ T5769] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.661981][ T5769] 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. [ 52.662001][ T5769] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.698031][ T5769] hsr_slave_0: entered promiscuous mode [ 52.698964][ T5769] hsr_slave_1: entered promiscuous mode [ 52.831553][ T5769] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 52.838068][ T5769] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 52.839020][ T5769] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 52.847513][ T5769] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 52.848454][ T5769] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 52.853584][ T5769] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 52.854492][ T5769] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 52.860087][ T5769] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 52.924459][ T5769] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.939304][ T5769] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.944711][ T74] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.945117][ T74] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.953389][ T74] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.953436][ T74] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.267244][ T5769] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.432851][ T5769] veth0_vlan: entered promiscuous mode [ 53.438431][ T5769] veth1_vlan: entered promiscuous mode [ 53.457016][ T5769] veth0_macvtap: entered promiscuous mode [ 53.460801][ T5769] veth1_macvtap: entered promiscuous mode [ 53.473078][ T5769] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.480407][ T5769] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.509123][ T12] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.566894][ T12] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.575956][ T5761] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.655132][ T5761] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.674478][ T12] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.689000][ T5818] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.689955][ T5818] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.690417][ T5818] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.691659][ T5818] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.692196][ T5818] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.737071][ T12] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.878528][ T5840] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 54.878912][ T5840] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 55.016366][ T12] bridge_slave_1: left allmulticast mode [ 55.016404][ T12] bridge_slave_1: left promiscuous mode [ 55.017015][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.021736][ T12] bridge_slave_0: left allmulticast mode [ 55.021756][ T12] bridge_slave_0: left promiscuous mode [ 55.021918][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.161216][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 55.163318][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 55.164136][ T12] bond0 (unregistering): Released all slaves [ 55.256269][ T12] hsr_slave_0: left promiscuous mode [ 55.258264][ T12] hsr_slave_1: left promiscuous mode [ 55.258734][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 55.258752][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 55.260433][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 55.260445][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 55.277158][ T12] veth1_macvtap: left promiscuous mode [ 55.277216][ T12] veth0_macvtap: left promiscuous mode [ 55.277298][ T12] veth1_vlan: left promiscuous mode [ 55.277352][ T12] veth0_vlan: left promiscuous mode [ 55.467919][ T12] team0 (unregistering): Port device team_slave_1 removed [ 55.483319][ T12] team0 (unregistering): Port device team_slave_0 removed [ 55.574371][ T5449] 8021q: adding VLAN 0 to HW filter on device eth2 [ 55.834084][ T5449] 8021q: adding VLAN 0 to HW filter on device eth3 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument). [ 56.022767][ T5449] 8021q: adding VLAN 0 to HW filter on device eth4 [ 56.418782][ T5449] 8021q: adding VLAN 0 to HW filter on device eth5 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-build4086096228=/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 1e72964b011 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=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" ./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=1e72964b0111319984575e60f266d1fa0a98abb5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260817-123423" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_386 x86_64-linux-gnu-g++ -o ./bin/linux_386/syz-executor executor/executor.cc \ -m32 -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_386=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"1e72964b0111319984575e60f266d1fa0a98abb5\" /usr/bin/ld: /tmp/ccPHEVZY.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x145): 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 [INFO] Unsupported architecture '386', skipping check.