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). [ 97.772398][ T30] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.171' (ED25519) to the list of known hosts. 2026/09/17 03:56:49 parsed 1 programs 2026/09/17 03:56:49 serving rpc on tcp://36781 [ 107.425166][ T5633] cgroup: Unknown subsys name 'net' [ 107.545023][ T5633] cgroup: Unknown subsys name 'cpuset' [ 107.548768][ T5633] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 109.417916][ T5633] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 112.955691][ T5646] 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. [ 112.962789][ T5646] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 112.996505][ T5646] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 113.265373][ T5649] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 113.265924][ T5649] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 115.512391][ T5665] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.513183][ T5665] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.513330][ T5665] bridge_slave_0: entered allmulticast mode [ 115.515484][ T5665] bridge_slave_0: entered promiscuous mode [ 115.529061][ T5665] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.529366][ T5665] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.549236][ T5665] bridge_slave_1: entered allmulticast mode [ 115.557769][ T5665] bridge_slave_1: entered promiscuous mode [ 115.630326][ T5665] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 115.634285][ T5665] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 115.686289][ T5665] team0: Port device team_slave_0 added [ 115.689012][ T5665] team0: Port device team_slave_1 added [ 115.730273][ T5665] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 115.730299][ T5665] 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. [ 115.730326][ T5665] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 115.733142][ T5665] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 115.733159][ T5665] 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. [ 115.733183][ T5665] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 115.862291][ T5665] hsr_slave_0: entered promiscuous mode [ 115.863274][ T5665] hsr_slave_1: entered promiscuous mode [ 116.076825][ T5665] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 116.092514][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 116.093733][ T5665] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 116.098383][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 116.099220][ T5665] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 116.134480][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 116.135457][ T5665] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 116.139947][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 116.197762][ T5665] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.198152][ T5665] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.199090][ T5665] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.199183][ T5665] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.311983][ T5665] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.335679][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.336716][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.366715][ T5665] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.383604][ T1025] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.383705][ T1025] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.407438][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.407552][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.844519][ T5665] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 117.096930][ T5665] veth0_vlan: entered promiscuous mode [ 117.113794][ T5665] veth1_vlan: entered promiscuous mode [ 117.156179][ T5665] veth0_macvtap: entered promiscuous mode [ 117.167677][ T5665] veth1_macvtap: entered promiscuous mode [ 117.193491][ T5665] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 117.212241][ T5665] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 117.232386][ T35] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.280820][ T12] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.281325][ T12] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.281370][ T12] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.396824][ T35] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.447398][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 117.458211][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 117.468719][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 117.472847][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 117.480842][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 117.517254][ T35] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.859496][ T1025] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.859521][ T1025] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.918179][ T140] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.918204][ T140] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 118.615243][ T35] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.627933][ T35] netdevsim netdevsim4 netdevsim0 (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). [ 120.427475][ T35] bridge_slave_1: left allmulticast mode [ 120.427525][ T35] bridge_slave_1: left promiscuous mode [ 120.429778][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.462567][ T35] bridge_slave_0: left allmulticast mode [ 120.462600][ T35] bridge_slave_0: left promiscuous mode [ 120.462856][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.719836][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 120.737618][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 120.752620][ T35] bond0 (unregistering): Released all slaves [ 120.907249][ T35] hsr_slave_0: left promiscuous mode [ 120.914686][ T35] hsr_slave_1: left promiscuous mode [ 120.922848][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 120.922909][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 120.940373][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 120.940400][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 120.972218][ T35] veth1_macvtap: left promiscuous mode [ 120.972279][ T35] veth0_macvtap: left promiscuous mode [ 120.972394][ T35] veth1_vlan: left promiscuous mode [ 120.972483][ T35] veth0_vlan: left promiscuous mode [ 121.426768][ T35] team0 (unregistering): Port device team_slave_1 removed [ 121.462985][ T35] team0 (unregistering): Port device team_slave_0 removed [ 121.649607][ T5279] 8021q: adding VLAN 0 to HW filter on device eth1 [ 122.528940][ T5279] 8021q: adding VLAN 0 to HW filter on device eth2 [ 123.247846][ T5279] 8021q: adding VLAN 0 to HW filter on device eth3 [ 123.683122][ 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-build175183130=/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 1fe56c0af80 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=1fe56c0af80df10ab9f07819d9fa709dc9971ae1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260910-094642" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=1fe56c0af80df10ab9f07819d9fa709dc9971ae1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260910-094642" ./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=1fe56c0af80df10ab9f07819d9fa709dc9971ae1 -X github.com/google/syzkaller/prog.gitRevisionDate=20260910-094642" -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=\"1fe56c0af80df10ab9f07819d9fa709dc9971ae1\" /usr/bin/ld: /tmp/cc10CeFE.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.