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 '10.128.1.128' (ED25519) to the list of known hosts. 2025/11/23 00:39:02 parsed 1 programs [ 88.251016][ T5727] cgroup: Unknown subsys name 'net' [ 88.380584][ T5727] cgroup: Unknown subsys name 'cpuset' [ 88.389861][ T5727] cgroup: Unknown subsys name 'rlimit' [ 88.395682][ T5727] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 90.007987][ T5727] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.147790][ T965] cfg80211: failed to load regulatory.db [ 93.598207][ T32] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.612916][ T32] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.723383][ T3444] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.738852][ T3444] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.923097][ T5783] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.931968][ T5783] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.941709][ T5783] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.951829][ T5783] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.972243][ T5783] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.107225][ T5770] chnl_net:caif_netlink_parms(): no params data found [ 95.512953][ T5770] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.520328][ T5770] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.528083][ T5770] bridge_slave_0: entered allmulticast mode [ 95.535498][ T5770] bridge_slave_0: entered promiscuous mode [ 95.561857][ T5770] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.569050][ T5770] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.577030][ T5770] bridge_slave_1: entered allmulticast mode [ 95.584322][ T5770] bridge_slave_1: entered promiscuous mode [ 95.741919][ T5770] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.789318][ T5770] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.852147][ T5770] team0: Port device team_slave_0 added [ 95.868545][ T5770] team0: Port device team_slave_1 added [ 95.965547][ T5770] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.976849][ T5770] 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. [ 96.016618][ T5770] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.207190][ T5770] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.214176][ T5770] 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. [ 96.240366][ T5770] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.292410][ T5770] hsr_slave_0: entered promiscuous mode [ 96.302408][ T5770] hsr_slave_1: entered promiscuous mode [ 96.521696][ T5770] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 96.534099][ T5770] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 96.544809][ T5770] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 96.555186][ T5770] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 96.630074][ T5770] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.653996][ T5770] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.668824][ T3444] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.676342][ T3444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.691715][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.698867][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.850877][ T5770] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.891094][ T5770] veth0_vlan: entered promiscuous mode [ 96.902392][ T5770] veth1_vlan: entered promiscuous mode [ 96.930508][ T5770] veth0_macvtap: entered promiscuous mode [ 96.941338][ T5770] veth1_macvtap: entered promiscuous mode [ 96.960198][ T5770] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.974337][ T5770] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.990489][ T3444] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.001980][ T3444] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.013220][ T3444] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.031120][ T3444] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/11/23 00:39:14 executed programs: 0 [ 97.161231][ T5783] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.170478][ T5783] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.179191][ T5783] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.198300][ T5783] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.211569][ T5783] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.465573][ T5838] chnl_net:caif_netlink_parms(): no params data found [ 97.546255][ T5838] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.553598][ T5838] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.561767][ T5838] bridge_slave_0: entered allmulticast mode [ 97.570192][ T5838] bridge_slave_0: entered promiscuous mode [ 97.578928][ T5838] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.586700][ T5838] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.594003][ T5838] bridge_slave_1: entered allmulticast mode [ 97.601491][ T5838] bridge_slave_1: entered promiscuous mode [ 97.635429][ T5838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.647794][ T5838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.684424][ T5838] team0: Port device team_slave_0 added [ 97.692331][ T5838] team0: Port device team_slave_1 added [ 97.723463][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.730600][ T5838] 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. [ 97.757444][ T5838] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.771011][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.778080][ T5838] 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. [ 97.804305][ T5838] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.852332][ T5838] hsr_slave_0: entered promiscuous mode [ 97.859519][ T5838] hsr_slave_1: entered promiscuous mode [ 97.865829][ T5838] debugfs: 'hsr0' already exists in 'hsr' [ 97.871704][ T5838] Cannot create hsr debugfs directory [ 98.030115][ T5838] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.042966][ T5838] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.055678][ T5838] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.066665][ T5838] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.151557][ T5838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.172876][ T5838] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.185080][ T32] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.192246][ T32] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.208193][ T32] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.215300][ T32] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.371637][ T5838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.416907][ T5838] veth0_vlan: entered promiscuous mode [ 98.429536][ T5838] veth1_vlan: entered promiscuous mode [ 98.458572][ T5838] veth0_macvtap: entered promiscuous mode [ 98.468386][ T5838] veth1_macvtap: entered promiscuous mode [ 98.488836][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.502306][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.516937][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.527914][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.538083][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.547481][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.607458][ T1294] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.615835][ T1294] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.649318][ T32] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.658240][ T32] 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) [ 99.360979][ T32] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 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-build3415469746=/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='go1.24.4' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 4fb8ef376b2 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=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" ./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=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" -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=\"4fb8ef376b21a14e0ed92c40c92913ac567bd2a3\" /usr/bin/ld: /tmp/ccoba45B.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