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 '10.128.0.19' (ED25519) to the list of known hosts. 2025/11/14 02:13:57 parsed 1 programs [ 89.771216][ T5794] cgroup: Unknown subsys name 'net' [ 89.907198][ T5794] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.704087][ T5794] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.419458][ T27] cfg80211: failed to load regulatory.db [ 95.627075][ T5833] chnl_net:caif_netlink_parms(): no params data found [ 95.679195][ T1312] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.703286][ T1312] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.031534][ T1312] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.048323][ T1312] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.140100][ T5833] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.150449][ T5833] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.162730][ T5833] bridge_slave_0: entered allmulticast mode [ 96.172174][ T5833] bridge_slave_0: entered promiscuous mode [ 96.185499][ T5833] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.195034][ T5833] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.205153][ T5833] bridge_slave_1: entered allmulticast mode [ 96.214300][ T5833] bridge_slave_1: entered promiscuous mode [ 96.314560][ T5863] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.330698][ T5863] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.340409][ T5863] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.359223][ T5863] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.368212][ T5863] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 96.376133][ T5863] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.435197][ T5833] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.455025][ T5833] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.715578][ T5833] team0: Port device team_slave_0 added [ 96.732162][ T5833] team0: Port device team_slave_1 added [ 96.873245][ T5833] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.881983][ T5833] 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 1560 would solve the problem. [ 96.910139][ T5833] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.935276][ T5833] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.956933][ T5833] 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 1560 would solve the problem. [ 97.003439][ T5833] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.269857][ T5833] hsr_slave_0: entered promiscuous mode [ 97.278778][ T5833] hsr_slave_1: entered promiscuous mode [ 97.811507][ T5833] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 97.833970][ T5833] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 97.866005][ T5833] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 97.883708][ T5833] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 98.144064][ T5833] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.181749][ T5833] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.243954][ T133] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.251549][ T133] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.323679][ T133] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.331782][ T133] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.601923][ T5833] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.678885][ T5833] veth0_vlan: entered promiscuous mode [ 98.710252][ T5833] veth1_vlan: entered promiscuous mode [ 98.744056][ T5833] veth0_macvtap: entered promiscuous mode [ 98.777920][ T5833] veth1_macvtap: entered promiscuous mode [ 98.796908][ T5833] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.814092][ T5833] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.869470][ T5833] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.878758][ T5833] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.889466][ T5833] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.899080][ T5833] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/11/14 02:14:09 executed programs: 0 [ 99.095526][ T5863] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.112966][ T5863] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.124971][ T5863] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.135879][ T5863] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.146601][ T5863] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 99.157228][ T5863] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.398470][ T5902] chnl_net:caif_netlink_parms(): no params data found [ 99.484368][ T5902] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.493183][ T5902] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.501004][ T5902] bridge_slave_0: entered allmulticast mode [ 99.508758][ T5902] bridge_slave_0: entered promiscuous mode [ 99.519304][ T5902] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.527907][ T5902] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.535226][ T5902] bridge_slave_1: entered allmulticast mode [ 99.542900][ T5902] bridge_slave_1: entered promiscuous mode [ 99.588654][ T5902] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.603210][ T5902] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.651744][ T5902] team0: Port device team_slave_0 added [ 99.662584][ T5902] team0: Port device team_slave_1 added [ 99.699097][ T5902] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.706442][ T5902] 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 1560 would solve the problem. [ 99.733416][ T5902] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.754425][ T5902] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.761830][ T5902] 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 1560 would solve the problem. [ 99.788766][ T5902] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.845582][ T5902] hsr_slave_0: entered promiscuous mode [ 99.853794][ T5902] hsr_slave_1: entered promiscuous mode [ 99.862411][ T5902] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 99.870834][ T5902] Cannot create hsr debugfs directory [ 100.061005][ T5902] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.076114][ T5902] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.088103][ T5902] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.100354][ T5902] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.138966][ T5902] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.146524][ T5902] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.155022][ T5902] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.162448][ T5902] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.240861][ T5902] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.259746][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.269927][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.295403][ T5902] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.313893][ T1327] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.321168][ T1327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.345595][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.353366][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.549940][ T5902] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.598434][ T5902] veth0_vlan: entered promiscuous mode [ 100.611430][ T5902] veth1_vlan: entered promiscuous mode [ 100.646194][ T5902] veth0_macvtap: entered promiscuous mode [ 100.656579][ T5902] veth1_macvtap: entered promiscuous mode [ 100.682409][ T5902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 100.693831][ T5902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.706643][ T5902] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.721110][ T5902] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 100.732562][ T5902] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 100.745062][ T5902] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.758223][ T5902] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.767872][ T5902] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.779084][ T5902] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.788530][ T5902] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.871517][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.883778][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.915305][ T1327] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.925270][ T1327] 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) [ 101.379784][ T49] netdevsim netdevsim2 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-build2304455527=/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 4e1406b4def 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=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" ./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=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" -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=\"4e1406b4defac0e2a9d9424c70706f79a7750cf3\" /usr/bin/ld: /tmp/ccLTdJrg.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