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]:57354' (ED25519) to the list of known hosts. 2026/10/12 09:42:46 parsed 1 programs 2026/10/12 09:42:46 serving rpc on tcp://36621 [ 48.635975][ T5743] cgroup: Unknown subsys name 'net' [ 48.747225][ T5743] cgroup: Unknown subsys name 'cpuset' [ 48.756629][ T5743] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 50.178604][ T5743] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 52.517937][ T5749] 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. [ 52.522903][ T5749] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.535753][ T5749] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.104642][ T5754] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.105031][ T5754] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.105114][ T5754] bridge_slave_0: entered allmulticast mode [ 53.106358][ T5754] bridge_slave_0: entered promiscuous mode [ 53.108722][ T5754] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.108788][ T5754] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.108875][ T5754] bridge_slave_1: entered allmulticast mode [ 53.110311][ T5754] bridge_slave_1: entered promiscuous mode [ 53.138833][ T5754] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.141513][ T5754] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.164939][ T5754] team0: Port device team_slave_0 added [ 53.167642][ T5754] team0: Port device team_slave_1 added [ 53.189823][ T5754] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.189834][ T5754] 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. [ 53.189863][ T5754] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.191382][ T5754] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.191395][ T5754] 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. [ 53.191414][ T5754] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.213184][ T5754] hsr_slave_0: entered promiscuous mode [ 53.214287][ T5754] hsr_slave_1: entered promiscuous mode [ 53.306142][ T5754] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 53.310184][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 53.310866][ T5754] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 53.317005][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 53.317564][ T5754] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 53.323014][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 53.324091][ T5754] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 53.327192][ T5754] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 53.347011][ T5754] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.347063][ T5754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.347491][ T5754] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.347538][ T5754] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.396322][ T5754] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.409436][ T1166] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.411046][ T1166] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.437360][ T5754] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.446802][ T1166] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.446890][ T1166] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.451992][ T1166] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.452076][ T1166] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.736989][ T5754] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.766375][ T5754] veth0_vlan: entered promiscuous mode [ 53.771868][ T5754] veth1_vlan: entered promiscuous mode [ 53.788880][ T5754] veth0_macvtap: entered promiscuous mode [ 53.793519][ T5754] veth1_macvtap: entered promiscuous mode [ 53.802057][ T5754] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.808134][ T5754] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.841596][ T12] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.841903][ T12] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.842462][ T12] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.842493][ T12] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.898786][ T13] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.967915][ T13] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.049208][ T13] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.556245][ T5802] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 54.556457][ T5802] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 54.970467][ T106] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.970487][ T106] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.991397][ T106] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.991418][ T106] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.293424][ T13] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.942288][ T5833] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.942919][ T5833] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.943354][ T5833] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.943977][ T5833] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.944329][ T5833] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 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). [ 56.799667][ T13] bridge_slave_1: left allmulticast mode [ 56.799702][ T13] bridge_slave_1: left promiscuous mode [ 56.800180][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.805891][ T13] bridge_slave_0: left allmulticast mode [ 56.805911][ T13] bridge_slave_0: left promiscuous mode [ 56.806060][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.914043][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 56.916081][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 56.916925][ T13] bond0 (unregistering): Released all slaves [ 56.996913][ T13] hsr_slave_0: left promiscuous mode [ 56.997624][ T13] hsr_slave_1: left promiscuous mode [ 56.998007][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.998023][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.998790][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.998804][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 57.006616][ T13] veth1_macvtap: left promiscuous mode [ 57.006691][ T13] veth0_macvtap: left promiscuous mode [ 57.006813][ T13] veth1_vlan: left promiscuous mode [ 57.006909][ T13] veth0_vlan: left promiscuous mode [ 57.201614][ T13] team0 (unregistering): Port device team_slave_1 removed [ 57.209470][ T13] team0 (unregistering): Port device team_slave_0 removed [ 57.312173][ T5450] 8021q: adding VLAN 0 to HW filter on device eth2 [ 57.512654][ T5450] 8021q: adding VLAN 0 to HW filter on device eth3 [ 57.700551][ T5450] 8021q: adding VLAN 0 to HW filter on device eth4 [ 57.901793][ T5450] 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-build3536053403=/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 614e416a2c3 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=614e416a2c34ab81eb2b80817ccfa47c00429056 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-135806" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=614e416a2c34ab81eb2b80817ccfa47c00429056 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-135806" ./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=614e416a2c34ab81eb2b80817ccfa47c00429056 -X github.com/google/syzkaller/prog.gitRevisionDate=20260824-135806" -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=\"614e416a2c34ab81eb2b80817ccfa47c00429056\" /usr/bin/ld: /tmp/ccJ5y3gZ.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.