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]:37116' (ED25519) to the list of known hosts. 2026/09/12 02:53:53 parsed 1 programs 2026/09/12 02:53:53 serving rpc on tcp://35603 [ 50.528052][ T5745] cgroup: Unknown subsys name 'net' [ 50.681075][ T5745] cgroup: Unknown subsys name 'cpuset' [ 50.689594][ T5745] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 52.156907][ T5745] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 55.383985][ T5757] 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. [ 55.388614][ T5757] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 55.389020][ T5757] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 55.389325][ T5757] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 55.389747][ T5757] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 55.660361][ T1157] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.660381][ T1157] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.692820][ T1157] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.692840][ T1157] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.695182][ T5777] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.696735][ T5777] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.696831][ T5777] bridge_slave_0: entered allmulticast mode [ 56.698400][ T5777] bridge_slave_0: entered promiscuous mode [ 56.703154][ T5777] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.703274][ T5777] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.703375][ T5777] bridge_slave_1: entered allmulticast mode [ 56.705170][ T5777] bridge_slave_1: entered promiscuous mode [ 56.727326][ T5777] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.729736][ T5777] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.748629][ T5777] team0: Port device team_slave_0 added [ 56.750570][ T5777] team0: Port device team_slave_1 added [ 56.771327][ T5777] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.771338][ T5777] 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. [ 56.771350][ T5777] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.772927][ T5777] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.772936][ T5777] 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. [ 56.772948][ T5777] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.799873][ T5777] hsr_slave_0: entered promiscuous mode [ 56.800523][ T5777] hsr_slave_1: entered promiscuous mode [ 56.943113][ T5777] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.950398][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 56.951742][ T5777] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.955235][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 56.956649][ T5777] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.961024][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 56.961884][ T5777] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.965344][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 56.993408][ T5777] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.993584][ T5777] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.994077][ T5777] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.994164][ T5777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.051328][ T5777] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.059155][ T1157] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.059993][ T1157] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.072629][ T5777] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.079892][ T1157] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.079995][ T1157] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.087037][ T1157] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.087154][ T1157] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.467717][ T5777] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.653596][ T5777] veth0_vlan: entered promiscuous mode [ 57.664623][ T5777] veth1_vlan: entered promiscuous mode [ 57.688202][ T5777] veth0_macvtap: entered promiscuous mode [ 57.691824][ T5777] veth1_macvtap: entered promiscuous mode [ 57.702409][ T5777] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.707069][ T5777] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.746137][ T12] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.876915][ T5758] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.927965][ T5769] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.002187][ T5769] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.217140][ T66] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.217768][ T66] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.218225][ T66] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.219059][ T66] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.219537][ T66] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.307593][ T5769] bridge_slave_1: left allmulticast mode [ 59.307628][ T5769] bridge_slave_1: left promiscuous mode [ 59.308632][ T5769] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.312771][ T5769] bridge_slave_0: left allmulticast mode [ 59.312793][ T5769] bridge_slave_0: left promiscuous mode [ 59.312907][ T5769] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.413195][ T5769] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 59.418968][ T5769] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 59.424231][ T5769] bond0 (unregistering): Released all slaves [ 59.555116][ T5769] hsr_slave_0: left promiscuous mode [ 59.559993][ T5769] hsr_slave_1: left promiscuous mode [ 59.562219][ T5769] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 59.562244][ T5769] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 59.563269][ T5769] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 59.563283][ T5769] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 59.572572][ T5769] veth1_macvtap: left promiscuous mode [ 59.572622][ T5769] veth0_macvtap: left promiscuous mode [ 59.572722][ T5769] veth1_vlan: left promiscuous mode [ 59.572866][ T5769] veth0_vlan: left promiscuous mode [ 59.793195][ T5769] team0 (unregistering): Port device team_slave_1 removed [ 59.810829][ T5769] team0 (unregistering): Port device team_slave_0 removed [ 59.893512][ T5447] 8021q: adding VLAN 0 to HW filter on device eth2 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). [ 60.238869][ T5447] 8021q: adding VLAN 0 to HW filter on device eth3 [ 60.441220][ T5447] 8021q: adding VLAN 0 to HW filter on device eth4 [ 61.002778][ 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-build3950895301=/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 4d118901679 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=4d1189016798b4bca3e32727d0434ed10cb8c7b7 -X github.com/google/syzkaller/prog.gitRevisionDate=20260813-082329" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4d1189016798b4bca3e32727d0434ed10cb8c7b7 -X github.com/google/syzkaller/prog.gitRevisionDate=20260813-082329" ./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=4d1189016798b4bca3e32727d0434ed10cb8c7b7 -X github.com/google/syzkaller/prog.gitRevisionDate=20260813-082329" -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=\"4d1189016798b4bca3e32727d0434ed10cb8c7b7\" /usr/bin/ld: /tmp/ccUhC6Ph.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.