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 '10.128.0.94' (ED25519) to the list of known hosts. 2026/01/14 03:46:21 parsed 1 programs [ 90.851178][ T5821] cgroup: Unknown subsys name 'net' [ 90.981874][ T5821] cgroup: Unknown subsys name 'cpuset' [ 90.990825][ T5821] cgroup: Unknown subsys name 'rlimit' [ 90.996624][ T5821] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 92.715101][ T5821] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 95.391503][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.399621][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.407502][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.415582][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.423807][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.074487][ T5872] chnl_net:caif_netlink_parms(): no params data found [ 97.210398][ T5872] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.219492][ T5872] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.226935][ T5872] bridge_slave_0: entered allmulticast mode [ 97.234781][ T5872] bridge_slave_0: entered promiscuous mode [ 97.244110][ T5872] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.252147][ T5872] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.259832][ T5872] bridge_slave_1: entered allmulticast mode [ 97.267624][ T5872] bridge_slave_1: entered promiscuous mode [ 97.275020][ T24] cfg80211: failed to load regulatory.db [ 97.321536][ T5872] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.340915][ T5872] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.378768][ T5872] team0: Port device team_slave_0 added [ 97.389044][ T5872] team0: Port device team_slave_1 added [ 97.424493][ T5872] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.431630][ T5872] 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. [ 97.457817][ T5872] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.471797][ T5872] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.478996][ T5872] 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. [ 97.506028][ T5872] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.554491][ T5872] hsr_slave_0: entered promiscuous mode [ 97.561340][ T5872] hsr_slave_1: entered promiscuous mode [ 97.715286][ T5872] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.729282][ T5872] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.742274][ T5872] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.753741][ T5872] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.790284][ T5872] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.797711][ T5872] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.806006][ T5872] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.813283][ T5872] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.872925][ T5872] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.893315][ T64] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.902676][ T64] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.919878][ T5872] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.934654][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.941949][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.956148][ T64] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.963370][ T64] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.155996][ T5872] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.201479][ T5872] veth0_vlan: entered promiscuous mode [ 98.219385][ T5872] veth1_vlan: entered promiscuous mode [ 98.250018][ T5872] veth0_macvtap: entered promiscuous mode [ 98.259687][ T5872] veth1_macvtap: entered promiscuous mode [ 98.279667][ T5872] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.294445][ T5872] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.311166][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.321546][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.332250][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.343136][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.482661][ T64] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.543343][ T64] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.591411][ T64] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.643237][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.656596][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.682093][ T64] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.715222][ T1133] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.723298][ T1133] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/01/14 03:46:34 executed programs: 0 [ 100.602966][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.612896][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.623696][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.633806][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.642169][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.811005][ T5930] chnl_net:caif_netlink_parms(): no params data found [ 100.891841][ T5930] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.899254][ T5930] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.906672][ T5930] bridge_slave_0: entered allmulticast mode [ 100.914287][ T5930] bridge_slave_0: entered promiscuous mode [ 100.924204][ T5930] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.931526][ T5930] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.940069][ T5930] bridge_slave_1: entered allmulticast mode [ 100.947490][ T5930] bridge_slave_1: entered promiscuous mode [ 100.981526][ T5930] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.993643][ T5930] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.030232][ T5930] team0: Port device team_slave_0 added [ 101.038857][ T5930] team0: Port device team_slave_1 added [ 101.070937][ T5930] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.078384][ T5930] 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. [ 101.104640][ T5930] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.119993][ T5930] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.126971][ T5930] 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. [ 101.153974][ T5930] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.203296][ T5930] hsr_slave_0: entered promiscuous mode [ 101.209850][ T5930] hsr_slave_1: entered promiscuous mode [ 101.216054][ T5930] debugfs: 'hsr0' already exists in 'hsr' [ 101.223036][ T5930] Cannot create hsr debugfs directory [ 101.354278][ T64] bridge_slave_1: left allmulticast mode [ 101.361521][ T64] bridge_slave_1: left promiscuous mode [ 101.368128][ T64] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.379511][ T64] bridge_slave_0: left allmulticast mode [ 101.385279][ T64] bridge_slave_0: left promiscuous mode [ 101.392436][ T64] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.644391][ T64] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.658240][ T64] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.670166][ T64] bond0 (unregistering): Released all slaves [ 101.808113][ T64] hsr_slave_0: left promiscuous mode [ 101.815188][ T64] hsr_slave_1: left promiscuous mode [ 101.822942][ T64] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 101.830908][ T64] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 101.840032][ T64] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 101.849039][ T64] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 101.882812][ T64] veth1_macvtap: left promiscuous mode [ 101.892234][ T64] veth0_macvtap: left promiscuous mode [ 101.898234][ T64] veth1_vlan: left promiscuous mode [ 101.903723][ T64] veth0_vlan: left promiscuous mode [ 102.403908][ T64] team0 (unregistering): Port device team_slave_1 removed [ 102.436729][ T64] team0 (unregistering): Port device team_slave_0 removed [ 102.688259][ T52] Bluetooth: hci0: command tx timeout [ 103.003453][ T5930] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.020209][ T5930] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.032768][ T5930] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.419612][ T5930] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.576311][ T5930] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.618233][ T5930] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.651536][ T1331] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.658861][ T1331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.671772][ T1331] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.678994][ T1331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.263760][ T5930] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.340463][ T5930] veth0_vlan: entered promiscuous mode [ 104.356014][ T5930] veth1_vlan: entered promiscuous mode [ 104.417864][ T5930] veth0_macvtap: entered promiscuous mode [ 104.439747][ T5930] veth1_macvtap: entered promiscuous mode [ 104.482656][ T5930] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.509090][ T5930] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.543357][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.554012][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.566466][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.590827][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.720146][ T1331] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.747573][ T1331] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.778045][ T52] Bluetooth: hci0: command tx timeout [ 104.800076][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.809171][ T13] 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-build3584229602=/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/cc7V6kpz.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