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 '10.128.1.177' (ED25519) to the list of known hosts. 2026/09/15 10:36:35 parsed 1 programs 2026/09/15 10:36:35 serving rpc on tcp://36671 [ 97.008320][ T5631] cgroup: Unknown subsys name 'net' [ 97.146437][ T5631] cgroup: Unknown subsys name 'cpuset' [ 97.150104][ T5631] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 97.577622][ T10] cfg80211: failed to load regulatory.db [ 98.952704][ T5631] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 102.463188][ T5645] 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. [ 102.468100][ T5645] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 102.468498][ T5645] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 102.468788][ T5645] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 102.469155][ T5645] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 104.670974][ T5680] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.671498][ T5680] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.671624][ T5680] bridge_slave_0: entered allmulticast mode [ 104.676501][ T5680] bridge_slave_0: entered promiscuous mode [ 104.701324][ T5680] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.701462][ T5680] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.701645][ T5680] bridge_slave_1: entered allmulticast mode [ 104.707565][ T5680] bridge_slave_1: entered promiscuous mode [ 104.755188][ T5680] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.758093][ T5680] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.801186][ T5680] team0: Port device team_slave_0 added [ 104.808350][ T5680] team0: Port device team_slave_1 added [ 104.836597][ T5680] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.836612][ T5680] 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. [ 104.836639][ T5680] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.838815][ T5680] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.838832][ T5680] 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. [ 104.838864][ T5680] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 104.961449][ T5680] hsr_slave_0: entered promiscuous mode [ 104.963188][ T5680] hsr_slave_1: entered promiscuous mode [ 105.141888][ T5680] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 105.155219][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 105.156750][ T5680] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 105.161486][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 105.163701][ T5680] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 105.195893][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 105.197198][ T5680] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 105.209126][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 105.255166][ T5680] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.255262][ T5680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.255686][ T5680] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.255772][ T5680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.350068][ T5680] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.378361][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.379845][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.415939][ T5680] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.433157][ T80] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.433259][ T80] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.441920][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.442026][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.562918][ T5680] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.619871][ T5680] veth0_vlan: entered promiscuous mode [ 105.636147][ T5680] veth1_vlan: entered promiscuous mode [ 105.676296][ T5680] veth0_macvtap: entered promiscuous mode [ 105.681087][ T5680] veth1_macvtap: entered promiscuous mode [ 105.711601][ T5680] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.729189][ T5680] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.765089][ T42] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.770453][ T42] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.770501][ T42] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.832641][ T80] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.974888][ T80] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.097260][ T80] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.189599][ T80] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.656817][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.657692][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.658215][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.659613][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.660392][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 107.325697][ T80] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.446452][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.446481][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.505920][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.505944][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 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). [ 108.836631][ T80] bridge_slave_1: left allmulticast mode [ 108.836678][ T80] bridge_slave_1: left promiscuous mode [ 108.838492][ T80] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.845622][ T80] bridge_slave_0: left allmulticast mode [ 108.845707][ T80] bridge_slave_0: left promiscuous mode [ 108.846394][ T80] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.026958][ T80] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.029905][ T80] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.031739][ T80] bond0 (unregistering): Released all slaves [ 109.123743][ T80] hsr_slave_0: left promiscuous mode [ 109.124600][ T80] hsr_slave_1: left promiscuous mode [ 109.125726][ T80] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 109.125760][ T80] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 109.126927][ T80] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 109.126946][ T80] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 109.181999][ T80] veth1_macvtap: left promiscuous mode [ 109.188497][ T80] veth0_macvtap: left promiscuous mode [ 109.188647][ T80] veth1_vlan: left promiscuous mode [ 109.189658][ T80] veth0_vlan: left promiscuous mode [ 109.566173][ T80] team0 (unregistering): Port device team_slave_1 removed [ 109.599106][ T80] team0 (unregistering): Port device team_slave_0 removed [ 109.788679][ T5279] 8021q: adding VLAN 0 to HW filter on device eth1 [ 110.520208][ T5279] 8021q: adding VLAN 0 to HW filter on device eth2 [ 111.351931][ T5279] 8021q: adding VLAN 0 to HW filter on device eth3 [ 111.769916][ 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-build1226858570=/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 b6a5eeb7114 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=b6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-102446" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=b6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-102446" ./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=b6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-102446" -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=\"b6a5eeb7114b1887514b0d74ca39167dfbfa4603\" /usr/bin/ld: /tmp/ccItziqN.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.