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 '10.128.1.80' (ED25519) to the list of known hosts. [ 103.659016][ T1556] cfg80211: failed to load regulatory.db 2026/09/18 08:06:39 parsed 1 programs 2026/09/18 08:06:39 serving rpc on tcp://33809 [ 109.387981][ T5637] cgroup: Unknown subsys name 'net' [ 109.500301][ T5637] cgroup: Unknown subsys name 'cpuset' [ 109.504014][ T5637] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 111.446293][ T5637] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 114.730726][ T5648] 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. [ 114.735600][ T5648] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 114.737910][ T5648] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 114.751097][ T5648] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 114.755146][ T5648] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 117.521354][ T5688] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.521967][ T5688] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.522148][ T5688] bridge_slave_0: entered allmulticast mode [ 117.523863][ T5688] bridge_slave_0: entered promiscuous mode [ 117.543828][ T5688] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.544145][ T5688] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.544600][ T5688] bridge_slave_1: entered allmulticast mode [ 117.558569][ T5688] bridge_slave_1: entered promiscuous mode [ 117.614774][ T5688] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 117.623785][ T5688] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.670504][ T5688] team0: Port device team_slave_0 added [ 117.673742][ T5688] team0: Port device team_slave_1 added [ 117.709502][ T5688] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.709518][ T5688] 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. [ 117.709537][ T5688] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.711827][ T5688] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.711844][ T5688] 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. [ 117.711869][ T5688] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.847485][ T5688] hsr_slave_0: entered promiscuous mode [ 117.849516][ T5688] hsr_slave_1: entered promiscuous mode [ 118.069518][ T5688] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 118.089148][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 118.091611][ T5688] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 118.095911][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 118.121782][ T5688] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 118.134643][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 118.152133][ T5688] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 118.165782][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 118.401422][ T5688] 8021q: adding VLAN 0 to HW filter on device bond0 [ 118.431879][ T5688] 8021q: adding VLAN 0 to HW filter on device team0 [ 118.451680][ T173] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.451805][ T173] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.488665][ T1264] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.488780][ T1264] bridge0: port 2(bridge_slave_1) entered forwarding state [ 118.599639][ T5688] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 118.670285][ T5688] veth0_vlan: entered promiscuous mode [ 118.692346][ T5688] veth1_vlan: entered promiscuous mode [ 118.739378][ T5688] veth0_macvtap: entered promiscuous mode [ 118.745869][ T5688] veth1_macvtap: entered promiscuous mode [ 118.778098][ T5688] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 118.797812][ T5688] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 118.827187][ T173] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.857515][ T41] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.857567][ T41] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 118.857604][ T41] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 119.042975][ T173] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.118785][ T173] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.201427][ T173] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.884306][ T1264] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 119.884330][ T1264] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 119.973016][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 119.973044][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 120.108333][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 120.109460][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 120.110048][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 120.111391][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 120.112221][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 120.608781][ T173] netdevsim netdevsim1 netdevsim0 (unregistering): unset [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). [ 122.089944][ T173] bridge_slave_1: left allmulticast mode [ 122.089985][ T173] bridge_slave_1: left promiscuous mode [ 122.091298][ T173] bridge0: port 2(bridge_slave_1) entered disabled state [ 122.095141][ T173] bridge_slave_0: left allmulticast mode [ 122.095160][ T173] bridge_slave_0: left promiscuous mode [ 122.095320][ T173] bridge0: port 1(bridge_slave_0) entered disabled state [ 122.293358][ T173] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 122.307352][ T173] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 122.308806][ T173] bond0 (unregistering): Released all slaves [ 122.410365][ T173] hsr_slave_0: left promiscuous mode [ 122.413721][ T173] hsr_slave_1: left promiscuous mode [ 122.414764][ T173] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 122.414801][ T173] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 122.447130][ T173] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 122.447154][ T173] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 122.477948][ T173] veth1_macvtap: left promiscuous mode [ 122.478008][ T173] veth0_macvtap: left promiscuous mode [ 122.478120][ T173] veth1_vlan: left promiscuous mode [ 122.478216][ T173] veth0_vlan: left promiscuous mode [ 122.891549][ T173] team0 (unregistering): Port device team_slave_1 removed [ 122.922432][ T173] team0 (unregistering): Port device team_slave_0 removed [ 123.112248][ T5282] 8021q: adding VLAN 0 to HW filter on device eth1 [ 123.841585][ T5282] 8021q: adding VLAN 0 to HW filter on device eth2 [ 124.524806][ T5282] 8021q: adding VLAN 0 to HW filter on device eth3 [ 124.988927][ T5282] 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-build1157010794=/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 614e416a2c3 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=614e416a2c34ab81eb2b80817ccfa47c00429056 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-135806" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=614e416a2c34ab81eb2b80817ccfa47c00429056 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-135806" ./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=614e416a2c34ab81eb2b80817ccfa47c00429056 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-135806" -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=\"614e416a2c34ab81eb2b80817ccfa47c00429056\" /usr/bin/ld: /tmp/ccgNDjRx.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.