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 '10.128.1.189' (ED25519) to the list of known hosts. 2026/10/04 09:47:03 parsed 1 programs 2026/10/04 09:47:03 serving rpc on tcp://39139 [ 98.877832][ T26] cfg80211: failed to load regulatory.db [ 99.818983][ T5628] cgroup: Unknown subsys name 'net' [ 99.968283][ T5628] cgroup: Unknown subsys name 'cpuset' [ 99.980610][ T5628] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 101.975342][ T5628] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 105.142034][ T5642] 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. [ 105.163854][ T5642] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 105.165671][ T5642] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 105.167262][ T5642] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 105.168901][ T5642] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 105.677350][ T62] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.677377][ T62] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.740272][ T62] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.740323][ T62] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.860893][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.862177][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.862866][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.888044][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.889367][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.504066][ T5694] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.504932][ T5694] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.505112][ T5694] bridge_slave_0: entered allmulticast mode [ 108.506709][ T5694] bridge_slave_0: entered promiscuous mode [ 108.518203][ T5694] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.518298][ T5694] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.518441][ T5694] bridge_slave_1: entered allmulticast mode [ 108.524397][ T5694] bridge_slave_1: entered promiscuous mode [ 108.587892][ T5694] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.590708][ T5694] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.641460][ T5694] team0: Port device team_slave_0 added [ 108.646618][ T5694] team0: Port device team_slave_1 added [ 108.677324][ T5694] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.677339][ T5694] 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. [ 108.677363][ T5694] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.679609][ T5694] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.679626][ T5694] 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. [ 108.679651][ T5694] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.805315][ T5694] hsr_slave_0: entered promiscuous mode [ 108.806270][ T5694] hsr_slave_1: entered promiscuous mode [ 108.999968][ T5694] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 109.019667][ T5694] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 109.020895][ T5694] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 109.040885][ T5694] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 109.041847][ T5694] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 109.066733][ T5694] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 109.067737][ T5694] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 109.091190][ T5694] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 109.131043][ T5694] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.131141][ T5694] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.131540][ T5694] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.131644][ T5694] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.239887][ T5694] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.262483][ T1414] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.272705][ T1414] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.297798][ T5694] 8021q: adding VLAN 0 to HW filter on device team0 [ 109.314866][ T1414] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.314976][ T1414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.340257][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.340497][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.464174][ T5694] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.534868][ T5694] veth0_vlan: entered promiscuous mode [ 109.551767][ T5694] veth1_vlan: entered promiscuous mode [ 109.597743][ T5694] veth0_macvtap: entered promiscuous mode [ 109.604684][ T5694] veth1_macvtap: entered promiscuous mode [ 109.638668][ T5694] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.655729][ T5694] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.678783][ T45] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.678835][ T45] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.678870][ T45] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.784827][ T45] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.889276][ T45] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.982477][ T45] netdevsim netdevsim2 netdevsim2 (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). [ 111.452897][ T45] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.557409][ T45] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.848615][ T45] bridge_slave_1: left allmulticast mode [ 112.848667][ T45] bridge_slave_1: left promiscuous mode [ 112.850105][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.880368][ T45] bridge_slave_0: left allmulticast mode [ 112.880394][ T45] bridge_slave_0: left promiscuous mode [ 112.880586][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.131817][ T45] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 113.147654][ T45] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 113.149902][ T45] bond0 (unregistering): Released all slaves [ 113.248284][ T45] hsr_slave_0: left promiscuous mode [ 113.249290][ T45] hsr_slave_1: left promiscuous mode [ 113.250406][ T45] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 113.250440][ T45] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 113.252692][ T45] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 113.259440][ T45] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 113.319670][ T45] veth1_macvtap: left promiscuous mode [ 113.319741][ T45] veth0_macvtap: left promiscuous mode [ 113.320132][ T45] veth1_vlan: left promiscuous mode [ 113.320257][ T45] veth0_vlan: left promiscuous mode [ 113.771068][ T45] team0 (unregistering): Port device team_slave_1 removed [ 113.798791][ T45] team0 (unregistering): Port device team_slave_0 removed [ 113.989888][ T5279] 8021q: adding VLAN 0 to HW filter on device eth1 [ 114.508375][ T5279] 8021q: adding VLAN 0 to HW filter on device eth2 [ 115.182162][ T5279] 8021q: adding VLAN 0 to HW filter on device eth3 [ 115.622562][ 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-build309498169=/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 23caa1759e4 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=23caa1759e4dbbf2b498f03774a30b08f9f912c4 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-120039" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=23caa1759e4dbbf2b498f03774a30b08f9f912c4 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-120039" ./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=23caa1759e4dbbf2b498f03774a30b08f9f912c4 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-120039" -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=\"23caa1759e4dbbf2b498f03774a30b08f9f912c4\" /usr/bin/ld: /tmp/cc0VI4EK.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.