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]:17138' (ED25519) to the list of known hosts. 2026/10/15 02:24:16 parsed 1 programs 2026/10/15 02:24:16 serving rpc on tcp://46493 [ 48.695490][ T5747] cgroup: Unknown subsys name 'net' [ 48.871454][ T5747] cgroup: Unknown subsys name 'cpuset' [ 48.873490][ T5747] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 50.108953][ T5747] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 52.242548][ T5763] 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. [ 52.246297][ T5763] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.261056][ T5763] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.324834][ T5769] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.325269][ T5769] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 52.858666][ T5798] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.859627][ T5798] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.860194][ T5798] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.860892][ T5798] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.861205][ T5798] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.043916][ T1163] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.043931][ T1163] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.237771][ T266] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.237784][ T266] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.687195][ T5802] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.687722][ T5802] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.687782][ T5802] bridge_slave_0: entered allmulticast mode [ 53.688528][ T5802] bridge_slave_0: entered promiscuous mode [ 53.692483][ T5802] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.692552][ T5802] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.692627][ T5802] bridge_slave_1: entered allmulticast mode [ 53.693878][ T5802] bridge_slave_1: entered promiscuous mode [ 53.707815][ T5802] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.710619][ T5802] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.726413][ T5802] team0: Port device team_slave_0 added [ 53.727653][ T5802] team0: Port device team_slave_1 added [ 53.742018][ T5802] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.742029][ T5802] 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. [ 53.742041][ T5802] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.743547][ T5802] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.743555][ T5802] 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. [ 53.743567][ T5802] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.764871][ T5802] hsr_slave_0: entered promiscuous mode [ 53.765354][ T5802] hsr_slave_1: entered promiscuous mode [ 53.947895][ T5802] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 53.955661][ T5802] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 53.974627][ T5802] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 53.976814][ T5802] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 53.977224][ T5802] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 53.980266][ T5802] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 53.981131][ T5802] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 53.985869][ T5802] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 54.046726][ T5802] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.056626][ T5802] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.062853][ T51] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.062924][ T51] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.068389][ T51] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.068446][ T51] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.092189][ T5802] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.332699][ T5802] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.360750][ T5802] veth0_vlan: entered promiscuous mode [ 54.366451][ T5802] veth1_vlan: entered promiscuous mode [ 54.391450][ T5802] veth0_macvtap: entered promiscuous mode [ 54.395243][ T5802] veth1_macvtap: entered promiscuous mode [ 54.408530][ T5802] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.414250][ T5802] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.439471][ T5832] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.439498][ T5832] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.439516][ T5832] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.439533][ T5832] netdevsim netdevsim2 netdevsim1: set [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). [ 54.543258][ T5832] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.664120][ T5832] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.299739][ T5832] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.458937][ T5832] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.583046][ T5832] bridge_slave_1: left allmulticast mode [ 57.583072][ T5832] bridge_slave_1: left promiscuous mode [ 57.583640][ T5832] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.586191][ T5832] bridge_slave_0: left allmulticast mode [ 57.586203][ T5832] bridge_slave_0: left promiscuous mode [ 57.586288][ T5832] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.681534][ T5832] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 57.684047][ T5832] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 57.684936][ T5832] bond0 (unregistering): Released all slaves [ 57.754313][ T5832] hsr_slave_0: left promiscuous mode [ 57.754871][ T5832] hsr_slave_1: left promiscuous mode [ 57.755399][ T5832] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 57.755416][ T5832] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 57.756031][ T5832] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 57.756041][ T5832] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 57.762068][ T5832] veth1_macvtap: left promiscuous mode [ 57.762096][ T5832] veth0_macvtap: left promiscuous mode [ 57.762180][ T5832] veth1_vlan: left promiscuous mode [ 57.762248][ T5832] veth0_vlan: left promiscuous mode [ 57.929735][ T5832] team0 (unregistering): Port device team_slave_1 removed [ 57.936359][ T5832] team0 (unregistering): Port device team_slave_0 removed [ 58.045994][ T5453] 8021q: adding VLAN 0 to HW filter on device eth2 [ 58.216450][ T5453] 8021q: adding VLAN 0 to HW filter on device eth3 [ 58.425978][ T5453] 8021q: adding VLAN 0 to HW filter on device eth4 [ 58.588179][ T5453] 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-build4008739131=/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 3e2106e5c6f 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=3e2106e5c6fcd544ee1753cad579dfc4cb4bce6d -X github.com/google/syzkaller/prog.gitRevisionDate=20260922-130802" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=3e2106e5c6fcd544ee1753cad579dfc4cb4bce6d -X github.com/google/syzkaller/prog.gitRevisionDate=20260922-130802" ./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=3e2106e5c6fcd544ee1753cad579dfc4cb4bce6d -X github.com/google/syzkaller/prog.gitRevisionDate=20260922-130802" -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=\"3e2106e5c6fcd544ee1753cad579dfc4cb4bce6d\" /usr/bin/ld: /tmp/ccnv6c1K.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.