SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. 2026/04/17 23:01:15 parsed 1 programs [ 92.135269][ T800] cfg80211: failed to load regulatory.db [ 93.933125][ T5825] cgroup: Unknown subsys name 'net' [ 94.043920][ T5825] cgroup: Unknown subsys name 'cpuset' [ 94.053360][ T5825] cgroup: Unknown subsys name 'rlimit' [ 94.059121][ T5825] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 95.710103][ T5825] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 100.173307][ T5864] chnl_net:caif_netlink_parms(): no params data found [ 100.338121][ T5864] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.346381][ T5864] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.354028][ T5864] bridge_slave_0: entered allmulticast mode [ 100.362843][ T5864] bridge_slave_0: entered promiscuous mode [ 100.375015][ T5864] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.382442][ T5864] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.391239][ T5864] bridge_slave_1: entered allmulticast mode [ 100.399098][ T5864] bridge_slave_1: entered promiscuous mode [ 100.466527][ T5864] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.479474][ T5864] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.515911][ T5864] team0: Port device team_slave_0 added [ 100.524938][ T5864] team0: Port device team_slave_1 added [ 100.558179][ T5864] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.565383][ T5864] 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. [ 100.591366][ T5864] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.604347][ T5864] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.611688][ T5864] 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. [ 100.637950][ T5864] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.691386][ T5864] hsr_slave_0: entered promiscuous mode [ 100.698097][ T5864] hsr_slave_1: entered promiscuous mode [ 100.864245][ T5864] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.876591][ T5864] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 100.886530][ T5864] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.896305][ T5864] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 100.904605][ T5864] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.916862][ T5864] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 100.925492][ T5864] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.937023][ T5864] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 101.018161][ T5864] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.044459][ T5864] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.058260][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.066343][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.084072][ T149] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.091334][ T149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.291231][ T5864] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.337022][ T5864] veth0_vlan: entered promiscuous mode [ 101.351023][ T5864] veth1_vlan: entered promiscuous mode [ 101.385759][ T5864] veth0_macvtap: entered promiscuous mode [ 101.395558][ T5864] veth1_macvtap: entered promiscuous mode [ 101.417729][ T5864] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.434056][ T5864] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.450790][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.460511][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.474154][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.484225][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.615608][ T5886] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 101.626246][ T5886] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 101.635614][ T5886] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 101.645109][ T5886] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 101.657920][ T5886] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 101.669252][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.773294][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.891078][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.977865][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.264574][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.272637][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.315403][ T149] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.323616][ T149] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/04/17 23:01:28 executed programs: 0 [ 103.875755][ T5886] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.885258][ T5886] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.897285][ T5886] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.906799][ T5886] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.915482][ T5886] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.082444][ T12] bridge_slave_1: left allmulticast mode [ 104.088549][ T12] bridge_slave_1: left promiscuous mode [ 104.096012][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.118005][ T12] bridge_slave_0: left allmulticast mode [ 104.123745][ T12] bridge_slave_0: left promiscuous mode [ 104.129638][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.309273][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.322316][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.332407][ T12] bond0 (unregistering): Released all slaves [ 104.481947][ T12] hsr_slave_0: left promiscuous mode [ 104.489246][ T12] hsr_slave_1: left promiscuous mode [ 104.495891][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.504115][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.513962][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.530181][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.548352][ T12] veth1_macvtap: left promiscuous mode [ 104.554896][ T12] veth0_macvtap: left promiscuous mode [ 104.561305][ T12] veth1_vlan: left promiscuous mode [ 104.567135][ T12] veth0_vlan: left promiscuous mode [ 104.892137][ T12] team0 (unregistering): Port device team_slave_1 removed [ 104.925451][ T12] team0 (unregistering): Port device team_slave_0 removed [ 105.076979][ T5485] 8021q: adding VLAN 0 to HW filter on device eth1 [ 105.131559][ T5932] chnl_net:caif_netlink_parms(): no params data found [ 105.324810][ T5932] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.332351][ T5932] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.343662][ T5932] bridge_slave_0: entered allmulticast mode [ 105.351874][ T5932] bridge_slave_0: entered promiscuous mode [ 105.362176][ T5932] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.369653][ T5932] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.377077][ T5932] bridge_slave_1: entered allmulticast mode [ 105.385304][ T5932] bridge_slave_1: entered promiscuous mode [ 105.443429][ T5932] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.468010][ T5932] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.952546][ T5932] team0: Port device team_slave_0 added [ 105.960896][ T5485] 8021q: adding VLAN 0 to HW filter on device eth2 [ 105.970563][ T5886] Bluetooth: hci0: command tx timeout [ 105.978592][ T5932] team0: Port device team_slave_1 added [ 106.041381][ T5932] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 106.048510][ T5932] 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. [ 106.077045][ T5932] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 106.096014][ T5932] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 106.108768][ T5932] 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. [ 106.137420][ T5932] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 106.250999][ T5932] hsr_slave_0: entered promiscuous mode [ 106.258242][ T5932] hsr_slave_1: entered promiscuous mode [ 107.280307][ T5932] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 107.292899][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 107.302461][ T5932] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 107.315753][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 107.335639][ T5932] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 107.350216][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 107.358807][ T5932] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 107.374010][ T5932] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 107.476818][ T5932] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.511720][ T5932] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.525103][ T57] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.532457][ T57] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.551952][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.559349][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.842045][ T5932] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.916659][ T5932] veth0_vlan: entered promiscuous mode [ 107.935973][ T5932] veth1_vlan: entered promiscuous mode [ 107.978957][ T5932] veth0_macvtap: entered promiscuous mode [ 107.992370][ T5932] veth1_macvtap: entered promiscuous mode [ 108.021278][ T5932] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.039125][ T5932] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.050288][ T5886] Bluetooth: hci0: command tx timeout [ 108.075744][ T57] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.109171][ T57] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.122324][ T57] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.138004][ T37] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.217454][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.238980][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.284984][ T149] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.294373][ T149] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) 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-build1583354577=/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 d6526ea3e6 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=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./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=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -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_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\" /usr/bin/ld: /tmp/ccDZsIFy.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): 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