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 '10.128.1.242' (ED25519) to the list of known hosts. 2025/12/21 10:07:31 parsed 1 programs [ 90.449931][ T5827] cgroup: Unknown subsys name 'net' [ 90.563094][ T5827] cgroup: Unknown subsys name 'cpuset' [ 90.572709][ T5827] cgroup: Unknown subsys name 'rlimit' [ 90.578638][ T5827] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 91.928168][ T24] cfg80211: failed to load regulatory.db [ 92.187960][ T5827] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.076081][ T1321] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.089973][ T1321] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.129233][ T4505] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.137946][ T4505] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.615455][ T5890] chnl_net:caif_netlink_parms(): no params data found [ 97.710851][ T5890] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.719372][ T5890] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.726695][ T5890] bridge_slave_0: entered allmulticast mode [ 97.734179][ T5890] bridge_slave_0: entered promiscuous mode [ 97.744606][ T5890] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.751855][ T5890] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.759581][ T5890] bridge_slave_1: entered allmulticast mode [ 97.766913][ T5890] bridge_slave_1: entered promiscuous mode [ 97.800547][ T5890] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.812750][ T5890] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.847959][ T5890] team0: Port device team_slave_0 added [ 97.855792][ T5890] team0: Port device team_slave_1 added [ 97.885353][ T5890] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.892422][ T5890] 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. [ 97.919280][ T5890] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.932602][ T5890] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.939745][ T5890] 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. [ 97.966156][ T5890] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.012748][ T5890] hsr_slave_0: entered promiscuous mode [ 98.019533][ T5890] hsr_slave_1: entered promiscuous mode [ 98.175814][ T5890] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.188891][ T5890] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.199737][ T5890] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.210600][ T5890] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.292791][ T5890] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.313816][ T5890] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.326928][ T4505] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.334156][ T4505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.352735][ T4505] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.359931][ T4505] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.536106][ T5890] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.580620][ T5890] veth0_vlan: entered promiscuous mode [ 98.594336][ T5890] veth1_vlan: entered promiscuous mode [ 98.623736][ T5890] veth0_macvtap: entered promiscuous mode [ 98.632985][ T5890] veth1_macvtap: entered promiscuous mode [ 98.653833][ T5890] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.668899][ T5890] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.685091][ T3661] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.695183][ T3661] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.705556][ T3661] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.718762][ T3661] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.852778][ T4505] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.931679][ T4505] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.985200][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.994661][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.005339][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.015133][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.028305][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.031769][ T4505] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.108341][ T4505] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/21 10:07:44 executed programs: 0 [ 100.073828][ T5144] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.081936][ T5144] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.090797][ T5144] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.101901][ T5144] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.110823][ T5144] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.277908][ T5935] chnl_net:caif_netlink_parms(): no params data found [ 100.360033][ T5935] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.367304][ T5935] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.374536][ T5935] bridge_slave_0: entered allmulticast mode [ 100.382325][ T5935] bridge_slave_0: entered promiscuous mode [ 100.390366][ T5935] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.397658][ T5935] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.404888][ T5935] bridge_slave_1: entered allmulticast mode [ 100.412983][ T5935] bridge_slave_1: entered promiscuous mode [ 100.447906][ T5935] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.460333][ T5935] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.496345][ T5935] team0: Port device team_slave_0 added [ 100.504665][ T5935] team0: Port device team_slave_1 added [ 100.538801][ T5935] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.545785][ T5935] 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. [ 100.572802][ T5935] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.585284][ T5935] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.592540][ T5935] 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. [ 100.618552][ T5935] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.665953][ T5935] hsr_slave_0: entered promiscuous mode [ 100.672620][ T5935] hsr_slave_1: entered promiscuous mode [ 100.678985][ T5935] debugfs: 'hsr0' already exists in 'hsr' [ 100.684898][ T5935] Cannot create hsr debugfs directory [ 102.098701][ T4505] bridge_slave_1: left allmulticast mode [ 102.104518][ T4505] bridge_slave_1: left promiscuous mode [ 102.111281][ T4505] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.123669][ T4505] bridge_slave_0: left allmulticast mode [ 102.132697][ T4505] bridge_slave_0: left promiscuous mode [ 102.138566][ T4505] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.167363][ T52] Bluetooth: hci0: command tx timeout [ 102.372837][ T4505] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 102.384945][ T4505] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 102.397250][ T4505] bond0 (unregistering): Released all slaves [ 102.514318][ T4505] hsr_slave_0: left promiscuous mode [ 102.524142][ T4505] hsr_slave_1: left promiscuous mode [ 102.533561][ T4505] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.541299][ T4505] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.549803][ T4505] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.557775][ T4505] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.583468][ T4505] veth1_macvtap: left promiscuous mode [ 102.589320][ T4505] veth0_macvtap: left promiscuous mode [ 102.595037][ T4505] veth1_vlan: left promiscuous mode [ 102.601244][ T4505] veth0_vlan: left promiscuous mode [ 103.040289][ T4505] team0 (unregistering): Port device team_slave_1 removed [ 103.068693][ T4505] team0 (unregistering): Port device team_slave_0 removed [ 103.535019][ T5935] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.566136][ T5935] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.583194][ T5935] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.608204][ T5935] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.117136][ T5935] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.177920][ T5935] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.195020][ T4163] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.202238][ T4163] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.213878][ T4163] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.221022][ T4163] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.246765][ T52] Bluetooth: hci0: command tx timeout [ 104.442792][ T5935] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.487701][ T5935] veth0_vlan: entered promiscuous mode [ 104.500008][ T5935] veth1_vlan: entered promiscuous mode [ 104.528828][ T5935] veth0_macvtap: entered promiscuous mode [ 104.539481][ T5935] veth1_macvtap: entered promiscuous mode [ 104.559561][ T5935] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.574116][ T5935] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.590007][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.599863][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.611236][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.623991][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.679356][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.691698][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.718047][ T3661] wlan1: Created IBSS using preconfigured 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) [ 104.725967][ T3661] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 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-build3024060048=/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='go1.24.4' 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/ccQnWIID.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): 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