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]:11034' (ED25519) to the list of known hosts. 2026/10/12 09:29:35 parsed 1 programs 2026/10/12 09:29:35 serving rpc on tcp://39451 [ 48.335813][ T5742] cgroup: Unknown subsys name 'net' [ 48.432665][ T5742] cgroup: Unknown subsys name 'cpuset' [ 48.436065][ T5742] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 49.395620][ T5742] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 51.401170][ T5748] 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. [ 51.406075][ T5748] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 51.409041][ T5748] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.444873][ T66] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.445881][ T66] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.446655][ T66] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.448114][ T66] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.448504][ T66] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.983343][ T5775] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.983742][ T5775] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.718567][ T5783] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.718613][ T5783] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.718667][ T5783] bridge_slave_0: entered allmulticast mode [ 53.719823][ T5783] bridge_slave_0: entered promiscuous mode [ 53.721961][ T5783] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.722029][ T5783] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.722078][ T5783] bridge_slave_1: entered allmulticast mode [ 53.722767][ T5783] bridge_slave_1: entered promiscuous mode [ 53.735214][ T5783] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.736608][ T5783] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.748036][ T5783] team0: Port device team_slave_0 added [ 53.751376][ T5783] team0: Port device team_slave_1 added [ 53.772364][ T5783] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.772379][ T5783] 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. [ 53.772400][ T5783] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.774617][ T5783] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.774629][ T5783] 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. [ 53.774650][ T5783] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.810611][ T5783] hsr_slave_0: entered promiscuous mode [ 53.811504][ T5783] hsr_slave_1: entered promiscuous mode [ 53.910555][ T5783] netdevsim netdevsim8 netdevsim0: renamed from eth0 [ 53.917338][ T5783] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 53.917965][ T5783] netdevsim netdevsim8 netdevsim1: renamed from eth1 [ 53.921276][ T5783] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 53.922480][ T5783] netdevsim netdevsim8 netdevsim2: renamed from eth2 [ 53.925967][ T5783] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 53.926473][ T5783] netdevsim netdevsim8 netdevsim3: renamed from eth3 [ 53.930347][ T5783] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 53.944287][ T5783] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.944339][ T5783] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.944569][ T5783] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.944613][ T5783] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.984184][ T5783] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.992937][ T176] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.994690][ T176] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.009965][ T5783] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.023843][ T176] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.024006][ T176] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.036629][ T176] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.036716][ T176] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.407517][ T5783] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.607308][ T5783] veth0_vlan: entered promiscuous mode [ 54.613025][ T5783] veth1_vlan: entered promiscuous mode [ 54.633389][ T5783] veth0_macvtap: entered promiscuous mode [ 54.636918][ T5783] veth1_macvtap: entered promiscuous mode [ 54.649309][ T5783] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.655784][ T5783] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.680371][ T5750] netdevsim netdevsim8 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.698464][ T12] netdevsim netdevsim8 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.698501][ T12] netdevsim netdevsim8 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.698527][ T12] netdevsim netdevsim8 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.748205][ T12] netdevsim netdevsim8 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.807790][ T12] netdevsim netdevsim8 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.865521][ T12] netdevsim netdevsim8 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.955931][ T12] netdevsim netdevsim8 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.194767][ T176] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.194786][ T176] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.220127][ T176] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.220146][ T176] 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). [ 55.954365][ T12] bridge_slave_1: left allmulticast mode [ 55.954388][ T12] bridge_slave_1: left promiscuous mode [ 55.955002][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.959219][ T12] bridge_slave_0: left allmulticast mode [ 55.959233][ T12] bridge_slave_0: left promiscuous mode [ 55.959332][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.047506][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 56.052631][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 56.053477][ T12] bond0 (unregistering): Released all slaves [ 56.157524][ T12] hsr_slave_0: left promiscuous mode [ 56.162639][ T12] hsr_slave_1: left promiscuous mode [ 56.163263][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.163288][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.163900][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.163910][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 56.169518][ T12] veth1_macvtap: left promiscuous mode [ 56.169567][ T12] veth0_macvtap: left promiscuous mode [ 56.169904][ T12] veth1_vlan: left promiscuous mode [ 56.170238][ T12] veth0_vlan: left promiscuous mode [ 56.355207][ T12] team0 (unregistering): Port device team_slave_1 removed [ 56.363989][ T12] team0 (unregistering): Port device team_slave_0 removed [ 56.462683][ T5447] 8021q: adding VLAN 0 to HW filter on device eth2 [ 56.624036][ T5447] 8021q: adding VLAN 0 to HW filter on device eth3 [ 56.764189][ T5447] 8021q: adding VLAN 0 to HW filter on device eth4 [ 56.908243][ T5447] 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-build3935391413=/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 4f7b22a0cea 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=4f7b22a0cea479ab522e99815d78a4ad5784b1da -X github.com/google/syzkaller/prog.gitRevisionDate=20260904-144736" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4f7b22a0cea479ab522e99815d78a4ad5784b1da -X github.com/google/syzkaller/prog.gitRevisionDate=20260904-144736" ./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=4f7b22a0cea479ab522e99815d78a4ad5784b1da -X github.com/google/syzkaller/prog.gitRevisionDate=20260904-144736" -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=\"4f7b22a0cea479ab522e99815d78a4ad5784b1da\" /usr/bin/ld: /tmp/ccBA87zg.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.