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]:63269' (ED25519) to the list of known hosts. 2026/10/04 07:18:26 parsed 1 programs 2026/10/04 07:18:26 serving rpc on tcp://35635 [ 49.082684][ T5748] cgroup: Unknown subsys name 'net' [ 49.188007][ T5748] cgroup: Unknown subsys name 'cpuset' [ 49.190448][ T5748] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 50.539568][ T5748] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 53.244722][ T5756] 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. [ 53.255047][ T5756] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.260879][ T5756] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.743502][ T123] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.743527][ T123] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.773787][ T123] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.773809][ T123] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.717219][ T66] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.717946][ T66] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.719174][ T66] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.720477][ T66] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.722040][ T66] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.357462][ T5790] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.358027][ T5790] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.358097][ T5790] bridge_slave_0: entered allmulticast mode [ 55.359249][ T5790] bridge_slave_0: entered promiscuous mode [ 55.362635][ T5790] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.362726][ T5790] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.362795][ T5790] bridge_slave_1: entered allmulticast mode [ 55.363741][ T5790] bridge_slave_1: entered promiscuous mode [ 55.378265][ T5790] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.380715][ T5790] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.394117][ T5790] team0: Port device team_slave_0 added [ 55.395836][ T5790] team0: Port device team_slave_1 added [ 55.413435][ T5790] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.413447][ T5790] 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. [ 55.413459][ T5790] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.415250][ T5790] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.415264][ T5790] 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. [ 55.415282][ T5790] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.444604][ T5790] hsr_slave_0: entered promiscuous mode [ 55.445813][ T5790] hsr_slave_1: entered promiscuous mode [ 55.582568][ T5790] netdevsim netdevsim7 netdevsim0: renamed from eth0 [ 55.588766][ T5790] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 55.589487][ T5790] netdevsim netdevsim7 netdevsim1: renamed from eth1 [ 55.596850][ T5790] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 55.597607][ T5790] netdevsim netdevsim7 netdevsim2: renamed from eth2 [ 55.603843][ T5790] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 55.604604][ T5790] netdevsim netdevsim7 netdevsim3: renamed from eth3 [ 55.609986][ T5790] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 55.626870][ T5790] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.626925][ T5790] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.627201][ T5790] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.627276][ T5790] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.664929][ T5790] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.678585][ T1176] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.679697][ T1176] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.690884][ T5790] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.697108][ T1176] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.697155][ T1176] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.702501][ T1176] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.702559][ T1176] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.034698][ T5790] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.202976][ T5790] veth0_vlan: entered promiscuous mode [ 56.209642][ T5790] veth1_vlan: entered promiscuous mode [ 56.238990][ T5790] veth0_macvtap: entered promiscuous mode [ 56.241682][ T5790] veth1_macvtap: entered promiscuous mode [ 56.248763][ T5790] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.253550][ T5790] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.276774][ T13] netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.277415][ T13] netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.277557][ T13] netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.277576][ T13] netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.330778][ T5770] netdevsim netdevsim7 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.460879][ T5770] netdevsim netdevsim7 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.525987][ T5770] netdevsim netdevsim7 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.579548][ T5770] netdevsim netdevsim7 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.386316][ T5848] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 57.386553][ T5848] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. 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). [ 57.883109][ T5770] bridge_slave_1: left allmulticast mode [ 57.883144][ T5770] bridge_slave_1: left promiscuous mode [ 57.883721][ T5770] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.892896][ T5770] bridge_slave_0: left allmulticast mode [ 57.892911][ T5770] bridge_slave_0: left promiscuous mode [ 57.893059][ T5770] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.982441][ T5770] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 57.984915][ T5770] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 57.992421][ T5770] bond0 (unregistering): Released all slaves [ 58.118669][ T5770] hsr_slave_0: left promiscuous mode [ 58.119204][ T5770] hsr_slave_1: left promiscuous mode [ 58.119711][ T5770] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.119784][ T5770] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.120495][ T5770] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.120507][ T5770] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.128957][ T5770] veth1_macvtap: left promiscuous mode [ 58.129045][ T5770] veth0_macvtap: left promiscuous mode [ 58.129112][ T5770] veth1_vlan: left promiscuous mode [ 58.129205][ T5770] veth0_vlan: left promiscuous mode [ 58.353151][ T5770] team0 (unregistering): Port device team_slave_1 removed [ 58.365731][ T5770] team0 (unregistering): Port device team_slave_0 removed [ 58.452183][ T5454] 8021q: adding VLAN 0 to HW filter on device eth2 [ 58.606198][ T5454] 8021q: adding VLAN 0 to HW filter on device eth3 [ 58.776367][ T5454] 8021q: adding VLAN 0 to HW filter on device eth4 [ 59.001583][ T5454] 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-build3416072462=/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 924033e8563 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=924033e8563a7d1a4ffcdc7fa0ae0eaa23ce5579 -X github.com/google/syzkaller/prog.gitRevisionDate=20260914-102306" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=924033e8563a7d1a4ffcdc7fa0ae0eaa23ce5579 -X github.com/google/syzkaller/prog.gitRevisionDate=20260914-102306" ./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=924033e8563a7d1a4ffcdc7fa0ae0eaa23ce5579 -X github.com/google/syzkaller/prog.gitRevisionDate=20260914-102306" -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=\"924033e8563a7d1a4ffcdc7fa0ae0eaa23ce5579\" /usr/bin/ld: /tmp/ccD7HHCn.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.