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 '10.128.10.0' (ED25519) to the list of known hosts. 2026/10/18 05:21:30 parsed 1 programs 2026/10/18 05:21:30 serving rpc on tcp://39863 [ 125.841967][ T5634] cgroup: Unknown subsys name 'net' [ 125.942865][ T5634] cgroup: Unknown subsys name 'cpuset' [ 125.956541][ T5634] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 128.184777][ T5634] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 133.316652][ T5653] 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. [ 133.461081][ T5653] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 133.489269][ T5653] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 133.489836][ T5653] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 133.490669][ T5653] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 135.572104][ T5694] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 135.574174][ T5694] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 135.574748][ T5694] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 135.576660][ T5694] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 135.589810][ T5694] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 136.299955][ T5664] bridge0: port 1(bridge_slave_0) entered blocking state [ 136.301623][ T5664] bridge0: port 1(bridge_slave_0) entered disabled state [ 136.301821][ T5664] bridge_slave_0: entered allmulticast mode [ 136.304863][ T5664] bridge_slave_0: entered promiscuous mode [ 136.578935][ T5664] bridge0: port 2(bridge_slave_1) entered blocking state [ 136.579054][ T5664] bridge0: port 2(bridge_slave_1) entered disabled state [ 136.579198][ T5664] bridge_slave_1: entered allmulticast mode [ 136.583229][ T5664] bridge_slave_1: entered promiscuous mode [ 136.782996][ T5664] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 136.829546][ T5664] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 137.190084][ T5664] team0: Port device team_slave_0 added [ 137.280243][ T5664] team0: Port device team_slave_1 added [ 137.601244][ T5664] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 137.601283][ T5664] 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. [ 137.601313][ T5664] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 137.713914][ T5664] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 137.713932][ T5664] 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. [ 137.713961][ T5664] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 137.731760][ T5694] Bluetooth: hci0: command tx timeout [ 137.923479][ T5664] hsr_slave_0: entered promiscuous mode [ 137.924448][ T5664] hsr_slave_1: entered promiscuous mode [ 138.283767][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.283791][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 138.545572][ T43] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.545599][ T43] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 138.771693][ T1312] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.771775][ T1312] ieee802154 phy1 wpan1: encryption failed: -22 [ 138.919966][ T5664] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 138.945199][ T5664] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 138.961855][ T5664] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 138.980295][ T5664] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 138.982578][ T5664] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 139.025711][ T5664] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 139.026811][ T5664] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 139.056279][ T5664] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 139.181667][ T5664] 8021q: adding VLAN 0 to HW filter on device bond0 [ 139.215834][ T5664] 8021q: adding VLAN 0 to HW filter on device team0 [ 139.234806][ T100] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.234976][ T100] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.269837][ T100] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.269925][ T100] bridge0: port 2(bridge_slave_1) entered forwarding state [ 139.399632][ T5664] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 139.466102][ T5664] veth0_vlan: entered promiscuous mode [ 139.483493][ T5664] veth1_vlan: entered promiscuous mode [ 139.539995][ T5664] veth0_macvtap: entered promiscuous mode [ 139.546355][ T5664] veth1_macvtap: entered promiscuous mode [ 139.573869][ T5664] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 139.591697][ T5664] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 139.688597][ T49] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 139.688650][ T49] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 139.688687][ T49] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 139.688723][ T49] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 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). [ 139.807657][ T5694] Bluetooth: hci0: command tx timeout [ 140.084227][ T49] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 140.429481][ T49] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 141.475586][ T49] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.815514][ T49] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.965191][ T49] bridge_slave_1: left allmulticast mode [ 142.965239][ T49] bridge_slave_1: left promiscuous mode [ 142.966845][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.005348][ T49] bridge_slave_0: left allmulticast mode [ 143.005380][ T49] bridge_slave_0: left promiscuous mode [ 143.005670][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 143.228287][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 143.234317][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 143.237135][ T49] bond0 (unregistering): Released all slaves [ 143.391213][ T49] hsr_slave_0: left promiscuous mode [ 143.392141][ T49] hsr_slave_1: left promiscuous mode [ 143.393243][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 143.393281][ T49] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 143.395689][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 143.395712][ T49] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 143.473238][ T49] veth1_macvtap: left promiscuous mode [ 143.473303][ T49] veth0_macvtap: left promiscuous mode [ 143.473420][ T49] veth1_vlan: left promiscuous mode [ 143.473501][ T49] veth0_vlan: left promiscuous mode [ 143.950125][ T49] team0 (unregistering): Port device team_slave_1 removed [ 143.974727][ T49] team0 (unregistering): Port device team_slave_0 removed [ 144.171625][ T5278] 8021q: adding VLAN 0 to HW filter on device eth1 [ 144.939182][ T5278] 8021q: adding VLAN 0 to HW filter on device eth2 [ 145.700701][ T5278] 8021q: adding VLAN 0 to HW filter on device eth3 [ 146.274484][ T5278] 8021q: adding VLAN 0 to HW filter on device eth4 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-build2229313827=/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='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 853b104bb45 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=853b104bb454141a5b0fc0e4218ec78e9f34ffb1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260918-062331" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=853b104bb454141a5b0fc0e4218ec78e9f34ffb1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260918-062331" ./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=853b104bb454141a5b0fc0e4218ec78e9f34ffb1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260918-062331" -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=\"853b104bb454141a5b0fc0e4218ec78e9f34ffb1\" /usr/bin/ld: /tmp/cc7DJCUK.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.