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 '10.128.10.8' (ED25519) to the list of known hosts. 2026/10/04 14:16:15 parsed 1 programs 2026/10/04 14:16:15 serving rpc on tcp://34449 [ 82.109462][ T5626] cgroup: Unknown subsys name 'net' [ 82.249279][ T5626] cgroup: Unknown subsys name 'cpuset' [ 82.252065][ T5626] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 83.624587][ T5626] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 86.473096][ T5638] 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. [ 86.478287][ T5638] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 86.508819][ T5638] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 87.017890][ T190] cfg80211: failed to load regulatory.db [ 87.234332][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.235207][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.235686][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.237981][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.238546][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.036819][ T1000] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.036842][ T1000] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.097532][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.097557][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.276823][ T5668] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 88.277663][ T5668] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 89.875752][ T5687] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.876167][ T5687] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.876292][ T5687] bridge_slave_0: entered allmulticast mode [ 89.877906][ T5687] bridge_slave_0: entered promiscuous mode [ 89.882231][ T5687] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.882330][ T5687] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.882453][ T5687] bridge_slave_1: entered allmulticast mode [ 89.884312][ T5687] bridge_slave_1: entered promiscuous mode [ 89.943186][ T5687] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.945224][ T5687] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.975017][ T5687] team0: Port device team_slave_0 added [ 89.978436][ T5687] team0: Port device team_slave_1 added [ 90.000825][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.000841][ T5687] 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. [ 90.000860][ T5687] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.003506][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.003522][ T5687] 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. [ 90.003544][ T5687] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.054640][ T5687] hsr_slave_0: entered promiscuous mode [ 90.058085][ T5687] hsr_slave_1: entered promiscuous mode [ 90.243201][ T5687] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 90.250940][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 90.252400][ T5687] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 90.266740][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 90.268116][ T5687] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 90.278849][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 90.280421][ T5687] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 90.293524][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 90.373092][ T5687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.399399][ T5687] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.414158][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.414472][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.434163][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.434223][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.740886][ T5687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.784081][ T5687] veth0_vlan: entered promiscuous mode [ 90.794215][ T5687] veth1_vlan: entered promiscuous mode [ 90.825386][ T5687] veth0_macvtap: entered promiscuous mode [ 90.832922][ T5687] veth1_macvtap: entered promiscuous mode [ 90.852627][ T5687] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.860516][ T5687] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.887138][ T13] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.887211][ T13] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.887256][ T13] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.887285][ T13] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.997099][ T13] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.074947][ T13] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.200520][ T13] netdevsim netdevsim1 netdevsim1 (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). [ 92.487117][ T13] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.802588][ T13] bridge_slave_1: left allmulticast mode [ 93.802629][ T13] bridge_slave_1: left promiscuous mode [ 93.803270][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.827684][ T13] bridge_slave_0: left allmulticast mode [ 93.827704][ T13] bridge_slave_0: left promiscuous mode [ 93.828805][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.953522][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 93.968199][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 93.969557][ T13] bond0 (unregistering): Released all slaves [ 94.055171][ T13] hsr_slave_0: left promiscuous mode [ 94.065311][ T13] hsr_slave_1: left promiscuous mode [ 94.075091][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 94.075142][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 94.092557][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 94.092578][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 94.118141][ T13] veth1_macvtap: left promiscuous mode [ 94.118198][ T13] veth0_macvtap: left promiscuous mode [ 94.118300][ T13] veth1_vlan: left promiscuous mode [ 94.118438][ T13] veth0_vlan: left promiscuous mode [ 94.434255][ T13] team0 (unregistering): Port device team_slave_1 removed [ 94.463050][ T13] team0 (unregistering): Port device team_slave_0 removed [ 94.597298][ T5277] 8021q: adding VLAN 0 to HW filter on device eth1 [ 95.005251][ T5277] 8021q: adding VLAN 0 to HW filter on device eth2 [ 95.343809][ T5277] 8021q: adding VLAN 0 to HW filter on device eth3 [ 95.641639][ T5277] 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-build2284190256=/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/ccnsOaRh.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.