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 '[localhost]:19675' (ED25519) to the list of known hosts. 2026/10/12 09:16:06 parsed 1 programs 2026/10/12 09:16:06 serving rpc on tcp://34125 [ 49.199590][ T5749] cgroup: Unknown subsys name 'net' [ 49.407297][ T5749] cgroup: Unknown subsys name 'cpuset' [ 49.411147][ T5749] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 50.848658][ T5749] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 53.454910][ T5755] 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. [ 53.459732][ T5755] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.475832][ T5755] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.906194][ T67] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.907417][ T67] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.908028][ T67] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.909395][ T67] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.909711][ T67] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.660148][ T5775] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.660757][ T5775] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.660863][ T5775] bridge_slave_0: entered allmulticast mode [ 54.662423][ T5775] bridge_slave_0: entered promiscuous mode [ 54.666179][ T5775] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.666286][ T5775] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.666385][ T5775] bridge_slave_1: entered allmulticast mode [ 54.668301][ T5775] bridge_slave_1: entered promiscuous mode [ 54.693162][ T5775] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.696157][ T5775] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.722626][ T5775] team0: Port device team_slave_0 added [ 54.725142][ T5775] team0: Port device team_slave_1 added [ 54.746875][ T5775] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.746889][ T5775] 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. [ 54.746909][ T5775] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.749006][ T5775] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.749017][ T5775] 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. [ 54.749033][ T5775] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.786086][ T5775] hsr_slave_0: entered promiscuous mode [ 54.786965][ T5775] hsr_slave_1: entered promiscuous mode [ 54.937994][ T5775] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 54.949987][ T5775] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 54.950697][ T5775] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 54.955707][ T5775] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 54.957547][ T5775] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 54.961292][ T5775] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 54.962378][ T5775] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 54.966106][ T5775] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 54.990434][ T5775] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.990484][ T5775] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.991018][ T5775] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.991091][ T5775] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.029703][ T5775] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.039821][ T63] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.040728][ T63] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.054547][ T5775] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.061270][ T63] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.061349][ T63] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.067310][ T63] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.067416][ T63] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.427482][ T5775] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.586568][ T5775] veth0_vlan: entered promiscuous mode [ 55.592220][ T5775] veth1_vlan: entered promiscuous mode [ 55.613648][ T5775] veth0_macvtap: entered promiscuous mode [ 55.617234][ T5775] veth1_macvtap: entered promiscuous mode [ 55.630775][ T5775] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.639563][ T5775] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.702027][ T13] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.702068][ T13] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.702105][ T13] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.702133][ T13] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.752377][ T13] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.846541][ T13] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.885937][ T13] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.941706][ T13] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.653527][ T5833] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 56.653746][ T5833] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 56.912804][ T13] bridge_slave_1: left allmulticast mode [ 56.912835][ T13] bridge_slave_1: left promiscuous mode [ 56.913340][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.919766][ T13] bridge_slave_0: left allmulticast mode [ 56.919787][ T13] bridge_slave_0: left promiscuous mode [ 56.920234][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.059899][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 57.066757][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 57.068246][ T13] bond0 (unregistering): Released all slaves [ 57.157028][ T13] hsr_slave_0: left promiscuous mode [ 57.157501][ T13] hsr_slave_1: left promiscuous mode [ 57.157952][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 57.157968][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 57.158567][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 57.158582][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 57.164773][ T13] veth1_macvtap: left promiscuous mode [ 57.164842][ T13] veth0_macvtap: left promiscuous mode [ 57.164927][ T13] veth1_vlan: left promiscuous mode [ 57.164989][ T13] veth0_vlan: left promiscuous mode [ 57.331547][ T13] team0 (unregistering): Port device team_slave_1 removed [ 57.347670][ T13] team0 (unregistering): Port device team_slave_0 removed [ 57.466942][ T63] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.466960][ T63] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.487950][ T1161] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.487989][ T1161] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.674041][ T5452] 8021q: adding VLAN 0 to HW filter on device eth2 [ 57.902141][ T5452] 8021q: adding VLAN 0 to HW filter on device eth3 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). [ 58.337032][ T5452] 8021q: adding VLAN 0 to HW filter on device eth4 [ 58.601049][ T5452] 8021q: adding VLAN 0 to HW filter on device eth5 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-build3552250166=/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 70a60e12a1a 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=70a60e12a1aa155e837bf0ad723487d72b1d2916 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-140827" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=70a60e12a1aa155e837bf0ad723487d72b1d2916 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-140827" ./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=70a60e12a1aa155e837bf0ad723487d72b1d2916 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-140827" -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=\"70a60e12a1aa155e837bf0ad723487d72b1d2916\" /usr/bin/ld: /tmp/cceHEZXX.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.