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 '10.128.1.180' (ED25519) to the list of known hosts. 2026/09/15 10:03:47 parsed 1 programs 2026/09/15 10:03:47 serving rpc on tcp://35899 [ 92.298308][ T10] cfg80211: failed to load regulatory.db [ 94.705243][ T5628] cgroup: Unknown subsys name 'net' [ 94.819768][ T5628] cgroup: Unknown subsys name 'cpuset' [ 94.823833][ T5628] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 96.633598][ T5628] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 99.775137][ 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. [ 99.798351][ T5645] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 99.815191][ T5645] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 100.401545][ T1175] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.401572][ T1175] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.456794][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.456818][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.850164][ T5670] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 101.850560][ T5670] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 102.501627][ T5676] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.502376][ T5676] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.502493][ T5676] bridge_slave_0: entered allmulticast mode [ 102.504536][ T5676] bridge_slave_0: entered promiscuous mode [ 102.522188][ T5676] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.522347][ T5676] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.522511][ T5676] bridge_slave_1: entered allmulticast mode [ 102.533089][ T5676] bridge_slave_1: entered promiscuous mode [ 102.590213][ T5676] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.592992][ T5676] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.632923][ T5676] team0: Port device team_slave_0 added [ 102.636138][ T5676] team0: Port device team_slave_1 added [ 102.669819][ T5676] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.669834][ T5676] 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. [ 102.669858][ T5676] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.672214][ T5676] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.672229][ T5676] 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. [ 102.672260][ T5676] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.791250][ T5676] hsr_slave_0: entered promiscuous mode [ 102.792721][ T5676] hsr_slave_1: entered promiscuous mode [ 102.977390][ T5676] netdevsim netdevsim6 netdevsim0: renamed from eth0 [ 102.984696][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 102.996682][ T5676] netdevsim netdevsim6 netdevsim1: renamed from eth1 [ 103.011000][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 103.012159][ T5676] netdevsim netdevsim6 netdevsim2: renamed from eth2 [ 103.032735][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 103.033682][ T5676] netdevsim netdevsim6 netdevsim3: renamed from eth3 [ 103.051624][ T5676] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 103.089001][ T5676] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.089112][ T5676] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.089670][ T5676] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.089758][ T5676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.183781][ T5676] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.206356][ T1175] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.208344][ T1175] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.236601][ T5676] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.245025][ T1037] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.245127][ T1037] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.275267][ T1175] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.276466][ T1175] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.682714][ T5676] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.944689][ T5676] veth0_vlan: entered promiscuous mode [ 103.963472][ T5676] veth1_vlan: entered promiscuous mode [ 104.009708][ T5676] veth0_macvtap: entered promiscuous mode [ 104.016196][ T5676] veth1_macvtap: entered promiscuous mode [ 104.051538][ T5676] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.073599][ T5676] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.163515][ T1175] netdevsim netdevsim6 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.163925][ T1175] netdevsim netdevsim6 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.163961][ T1175] netdevsim netdevsim6 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.164004][ T1175] netdevsim netdevsim6 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.338037][ T13] netdevsim netdevsim6 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.481043][ T13] netdevsim netdevsim6 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.541977][ T13] netdevsim netdevsim6 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.620294][ T13] netdevsim netdevsim6 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.627300][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.627982][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.628534][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.629728][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.630376][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.917265][ T13] bridge_slave_1: left allmulticast mode [ 105.917315][ T13] bridge_slave_1: left promiscuous mode [ 105.918225][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.951678][ T13] bridge_slave_0: left allmulticast mode [ 105.951709][ T13] bridge_slave_0: left promiscuous mode [ 105.953700][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.194217][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 106.218127][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 106.219936][ T13] bond0 (unregistering): Released all slaves [ 106.358701][ T13] hsr_slave_0: left promiscuous mode [ 106.359698][ T13] hsr_slave_1: left promiscuous mode [ 106.361694][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 106.361805][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 106.364165][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 106.364186][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 106.428453][ T13] veth1_macvtap: left promiscuous mode [ 106.428514][ T13] veth0_macvtap: left promiscuous mode [ 106.428623][ T13] veth1_vlan: left promiscuous mode [ 106.428718][ T13] veth0_vlan: left promiscuous mode [ 106.729824][ T13] team0 (unregistering): Port device team_slave_1 removed [ 106.749999][ T13] team0 (unregistering): Port device team_slave_0 removed [ 106.863908][ T5281] 8021q: adding VLAN 0 to HW filter on device eth1 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). [ 107.874113][ T5281] 8021q: adding VLAN 0 to HW filter on device eth2 [ 108.744031][ T5281] 8021q: adding VLAN 0 to HW filter on device eth3 [ 109.188685][ T5281] 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-build40483423=/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 1fe56c0af80 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=1fe56c0af80df10ab9f07819d9fa709dc9971ae1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260910-094642" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=1fe56c0af80df10ab9f07819d9fa709dc9971ae1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260910-094642" ./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=1fe56c0af80df10ab9f07819d9fa709dc9971ae1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260910-094642" -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=\"1fe56c0af80df10ab9f07819d9fa709dc9971ae1\" /usr/bin/ld: /tmp/cc3yk8t3.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.