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]:40472' (ED25519) to the list of known hosts. 2026/10/03 04:49:11 parsed 1 programs 2026/10/03 04:49:11 serving rpc on tcp://36187 [ 48.131027][ T5739] cgroup: Unknown subsys name 'net' [ 48.275459][ T5739] cgroup: Unknown subsys name 'cpuset' [ 48.278252][ T5739] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 49.476988][ T5739] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 51.718392][ T5751] 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. [ 51.721385][ T5751] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 51.734294][ T5751] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.297338][ T118] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.297359][ T118] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.313608][ T118] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.313621][ T118] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.812346][ T5768] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.813412][ T5768] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.813482][ T5768] bridge_slave_0: entered allmulticast mode [ 52.817615][ T5768] bridge_slave_0: entered promiscuous mode [ 52.823166][ T5768] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.823238][ T5768] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.823327][ T5768] bridge_slave_1: entered allmulticast mode [ 52.824615][ T5768] bridge_slave_1: entered promiscuous mode [ 52.840850][ T5768] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.847000][ T5768] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.862260][ T5768] team0: Port device team_slave_0 added [ 52.863888][ T5768] team0: Port device team_slave_1 added [ 52.877562][ T5768] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.877575][ T5768] 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. [ 52.877589][ T5768] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.879788][ T5768] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.879802][ T5768] 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. [ 52.879819][ T5768] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.930003][ T5768] hsr_slave_0: entered promiscuous mode [ 52.931146][ T5768] hsr_slave_1: entered promiscuous mode [ 53.043408][ T5768] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 53.052379][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 53.052928][ T5768] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 53.057063][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 53.057522][ T5768] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 53.064689][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 53.065158][ T5768] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 53.071262][ T5768] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 53.087583][ T5768] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.087809][ T5768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.088240][ T5768] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.088287][ T5768] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.118675][ T5768] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.126355][ T118] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.127487][ T118] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.149231][ T5768] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.155069][ T118] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.155211][ T118] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.156541][ T118] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.156581][ T118] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.431609][ T5768] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.605004][ T5768] veth0_vlan: entered promiscuous mode [ 53.609906][ T5768] veth1_vlan: entered promiscuous mode [ 53.633417][ T5768] veth0_macvtap: entered promiscuous mode [ 53.636480][ T5768] veth1_macvtap: entered promiscuous mode [ 53.646733][ T5768] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.653273][ T5768] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.692144][ T5766] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.711873][ T5766] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.711913][ T5766] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.711941][ T5766] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.735017][ T12] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.805109][ T12] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.870009][ T12] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.941443][ T12] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.356097][ T5827] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.356910][ T5827] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.357318][ T5827] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.358398][ T5827] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.358814][ T5827] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.013939][ T12] bridge_slave_1: left allmulticast mode [ 55.013963][ T12] bridge_slave_1: left promiscuous mode [ 55.014757][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.017368][ T12] bridge_slave_0: left allmulticast mode [ 55.017381][ T12] bridge_slave_0: left promiscuous mode [ 55.017488][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.111551][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 55.114281][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 55.116395][ T12] bond0 (unregistering): Released all slaves [ 55.187970][ T5842] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 55.196158][ T5842] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 55.239517][ T12] hsr_slave_0: left promiscuous mode [ 55.240192][ T12] hsr_slave_1: left promiscuous mode [ 55.240882][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 55.240906][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 55.248684][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 55.248704][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 55.263554][ T12] veth1_macvtap: left promiscuous mode [ 55.263623][ T12] veth0_macvtap: left promiscuous mode [ 55.263783][ T12] veth1_vlan: left promiscuous mode [ 55.263900][ T12] veth0_vlan: left promiscuous mode [ 55.409052][ T12] team0 (unregistering): Port device team_slave_1 removed [ 55.424889][ T12] team0 (unregistering): Port device team_slave_0 removed [ 55.483311][ T5447] 8021q: adding VLAN 0 to HW filter on device eth2 [ 55.655929][ T5447] 8021q: adding VLAN 0 to HW filter on device eth3 [ 55.804771][ T5447] 8021q: adding VLAN 0 to HW filter on device eth4 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). [ 55.973575][ T5447] 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-build1861040143=/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/ccdkSpJ9.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.