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 '10.128.0.94' (ED25519) to the list of known hosts. 2026/09/28 04:26:52 parsed 1 programs 2026/09/28 04:26:52 serving rpc on tcp://42859 [ 128.286141][ T5632] cgroup: Unknown subsys name 'net' [ 128.387205][ T5632] cgroup: Unknown subsys name 'cpuset' [ 128.402093][ T5632] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 130.627237][ T5632] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 135.490066][ T5652] 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. [ 135.569267][ T5652] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 135.571813][ T5652] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 135.572331][ T5652] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 135.576733][ T5652] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 136.180678][ T985] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.180709][ T985] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.575349][ T1423] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.575372][ T1423] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.663474][ T5653] bridge0: port 1(bridge_slave_0) entered blocking state [ 136.664038][ T5653] bridge0: port 1(bridge_slave_0) entered disabled state [ 136.664185][ T5653] bridge_slave_0: entered allmulticast mode [ 136.665741][ T5653] bridge_slave_0: entered promiscuous mode [ 136.736336][ T5653] bridge0: port 2(bridge_slave_1) entered blocking state [ 136.736453][ T5653] bridge0: port 2(bridge_slave_1) entered disabled state [ 136.736673][ T5653] bridge_slave_1: entered allmulticast mode [ 136.741199][ T5653] bridge_slave_1: entered promiscuous mode [ 137.050130][ T5653] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 137.296261][ T5653] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 137.299896][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 137.327835][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 137.328990][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 137.358513][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 137.372923][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 137.763975][ T5653] team0: Port device team_slave_0 added [ 137.976533][ T5653] team0: Port device team_slave_1 added [ 138.461483][ T5653] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 138.461505][ T5653] 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. [ 138.461534][ T5653] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 138.465229][ T5653] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 138.465250][ T5653] 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. [ 138.465278][ T5653] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 139.124647][ T5653] hsr_slave_0: entered promiscuous mode [ 139.126499][ T5653] hsr_slave_1: entered promiscuous mode [ 139.825679][ T1312] ieee802154 phy0 wpan0: encryption failed: -22 [ 139.825890][ T1312] ieee802154 phy1 wpan1: encryption failed: -22 [ 141.040016][ T5653] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 141.088974][ T5653] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 141.108778][ T5653] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 141.125142][ T5653] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 141.127849][ T5653] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 141.165561][ T5653] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 141.168725][ T5653] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 141.214491][ T5653] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 141.487040][ T5653] 8021q: adding VLAN 0 to HW filter on device bond0 [ 141.543191][ T5653] 8021q: adding VLAN 0 to HW filter on device team0 [ 141.566743][ T190] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.566879][ T190] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.608732][ T38] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.608820][ T38] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.752895][ T5653] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 141.844639][ T5653] veth0_vlan: entered promiscuous mode [ 141.862583][ T5653] veth1_vlan: entered promiscuous mode [ 141.907693][ T5653] veth0_macvtap: entered promiscuous mode [ 141.919984][ T5653] veth1_macvtap: entered promiscuous mode [ 141.952901][ T5653] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 141.970671][ T5653] batman_adv: batadv0: Interface activated: batadv_slave_1 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 142.046334][ T190] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.046662][ T190] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.046708][ T190] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.046747][ T190] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument). [ 142.594559][ T38] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.682862][ T38] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 143.405805][ T38] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 143.920274][ T38] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 145.170954][ T38] bridge_slave_1: left allmulticast mode [ 145.171015][ T38] bridge_slave_1: left promiscuous mode [ 145.187483][ T38] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.223480][ T38] bridge_slave_0: left allmulticast mode [ 145.223509][ T38] bridge_slave_0: left promiscuous mode [ 145.223741][ T38] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.570966][ T38] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 145.595408][ T38] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 145.597031][ T38] bond0 (unregistering): Released all slaves [ 145.960131][ T38] hsr_slave_0: left promiscuous mode [ 145.960936][ T38] hsr_slave_1: left promiscuous mode [ 145.979026][ T38] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 145.979083][ T38] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 145.981006][ T38] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 145.981029][ T38] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 146.059390][ T38] veth1_macvtap: left promiscuous mode [ 146.059521][ T38] veth0_macvtap: left promiscuous mode [ 146.059605][ T38] veth1_vlan: left promiscuous mode [ 146.059673][ T38] veth0_vlan: left promiscuous mode [ 146.947974][ T38] team0 (unregistering): Port device team_slave_1 removed [ 146.997756][ T38] team0 (unregistering): Port device team_slave_0 removed [ 147.340377][ T5279] 8021q: adding VLAN 0 to HW filter on device eth1 [ 148.126246][ T5279] 8021q: adding VLAN 0 to HW filter on device eth2 [ 148.837820][ T5279] 8021q: adding VLAN 0 to HW filter on device eth3 [ 149.577441][ T5279] 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-build2965017666=/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 2f52988a587 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=2f52988a5879f3555760033c428966d32bb70b84 -X github.com/google/syzkaller/prog.gitRevisionDate=20260828-135241" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=2f52988a5879f3555760033c428966d32bb70b84 -X github.com/google/syzkaller/prog.gitRevisionDate=20260828-135241" ./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=2f52988a5879f3555760033c428966d32bb70b84 -X github.com/google/syzkaller/prog.gitRevisionDate=20260828-135241" -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=\"2f52988a5879f3555760033c428966d32bb70b84\" /usr/bin/ld: /tmp/ccEI0fpG.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.