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]:24212' (ED25519) to the list of known hosts. 2026/09/20 02:23:41 parsed 1 programs 2026/09/20 02:23:41 serving rpc on tcp://33557 [ 48.509062][ T5742] cgroup: Unknown subsys name 'net' [ 48.633517][ T5742] cgroup: Unknown subsys name 'cpuset' [ 48.636672][ T5742] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 49.714208][ T5742] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 52.053527][ T5758] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.057755][ T5758] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.058777][ T5758] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.062994][ T5758] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.064484][ T5758] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.199841][ T5755] 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. [ 52.210387][ T5755] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.222283][ T5755] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.784051][ T5753] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.784172][ T5753] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.784275][ T5753] bridge_slave_0: entered allmulticast mode [ 52.785732][ T5753] bridge_slave_0: entered promiscuous mode [ 52.805765][ T5753] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.805876][ T5753] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.805972][ T5753] bridge_slave_1: entered allmulticast mode [ 52.807393][ T5753] bridge_slave_1: entered promiscuous mode [ 52.858291][ T5753] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.862490][ T5753] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.901360][ T5753] team0: Port device team_slave_0 added [ 52.914315][ T5753] team0: Port device team_slave_1 added [ 53.029082][ T5753] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.029094][ T5753] 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. [ 53.029107][ T5753] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.041529][ T5753] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.041543][ T5753] 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. [ 53.041562][ T5753] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.048901][ T74] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.048922][ T74] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.155115][ T5753] hsr_slave_0: entered promiscuous mode [ 53.155698][ T5753] hsr_slave_1: entered promiscuous mode [ 53.157214][ T74] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.157231][ T74] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.499922][ T5796] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.500308][ T5796] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 53.733272][ T5753] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 53.754565][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 53.777292][ T5753] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 53.785579][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 53.787015][ T5753] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 53.791653][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 53.794446][ T5753] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 53.808950][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 54.141655][ T5753] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.323574][ T5753] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.331550][ T74] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.331677][ T74] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.340574][ T74] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.340653][ T74] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.794242][ T5753] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.831690][ T5753] veth0_vlan: entered promiscuous mode [ 54.837853][ T5753] veth1_vlan: entered promiscuous mode [ 54.862364][ T5753] veth0_macvtap: entered promiscuous mode [ 54.866152][ T5753] veth1_macvtap: entered promiscuous mode [ 54.879830][ T5753] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.886727][ T5753] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.930352][ T13] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.930650][ T13] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.930891][ T13] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.959926][ T12] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.989256][ T13] netdevsim netdevsim2 netdevsim3 (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). [ 55.114227][ T13] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.329316][ T13] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.630811][ T13] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.839692][ T13] bridge_slave_1: left allmulticast mode [ 57.839766][ T13] bridge_slave_1: left promiscuous mode [ 57.840296][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.844616][ T13] bridge_slave_0: left allmulticast mode [ 57.844629][ T13] bridge_slave_0: left promiscuous mode [ 57.844736][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.933367][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 57.935164][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 57.935965][ T13] bond0 (unregistering): Released all slaves [ 57.998237][ T13] hsr_slave_0: left promiscuous mode [ 57.998924][ T13] hsr_slave_1: left promiscuous mode [ 57.999470][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 57.999635][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.000553][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.000563][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.007945][ T13] veth1_macvtap: left promiscuous mode [ 58.007971][ T13] veth0_macvtap: left promiscuous mode [ 58.008017][ T13] veth1_vlan: left promiscuous mode [ 58.008052][ T13] veth0_vlan: left promiscuous mode [ 58.184282][ T13] team0 (unregistering): Port device team_slave_1 removed [ 58.194926][ T13] team0 (unregistering): Port device team_slave_0 removed [ 58.287270][ T5448] 8021q: adding VLAN 0 to HW filter on device eth2 [ 58.438496][ T5448] 8021q: adding VLAN 0 to HW filter on device eth3 [ 58.626077][ T5448] 8021q: adding VLAN 0 to HW filter on device eth4 [ 58.812991][ T5448] 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-build826031886=/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 d2e5fb956ad 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=d2e5fb956ad222b37a913979e04dc012f4868836 -X github.com/google/syzkaller/prog.gitRevisionDate=20260903-102143" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d2e5fb956ad222b37a913979e04dc012f4868836 -X github.com/google/syzkaller/prog.gitRevisionDate=20260903-102143" ./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=d2e5fb956ad222b37a913979e04dc012f4868836 -X github.com/google/syzkaller/prog.gitRevisionDate=20260903-102143" -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=\"d2e5fb956ad222b37a913979e04dc012f4868836\" /usr/bin/ld: /tmp/ccmCrKZm.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.