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 '[localhost]:48202' (ED25519) to the list of known hosts. 2025/12/25 09:01:01 parsed 1 programs syzkaller login: [ 88.096143][ T5322] cgroup: Unknown subsys name 'net' [ 88.158404][ T5322] cgroup: Unknown subsys name 'cpuset' [ 88.163992][ T5322] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 89.840646][ T5322] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.867265][ T1238] cfg80211: failed to load regulatory.db [ 95.093242][ T5353] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.097678][ T5353] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.101182][ T5353] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.105486][ T5353] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.109176][ T5353] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.208046][ T5345] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 99.807879][ T3227] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.811463][ T3227] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.079068][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.115136][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.660032][ T5397] chnl_net:caif_netlink_parms(): no params data found [ 101.936843][ T5397] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.956335][ T5397] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.959641][ T5397] bridge_slave_0: entered allmulticast mode [ 101.977511][ T5397] bridge_slave_0: entered promiscuous mode [ 101.991368][ T5397] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.994668][ T5397] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.018728][ T5397] bridge_slave_1: entered allmulticast mode [ 102.035782][ T5397] bridge_slave_1: entered promiscuous mode [ 102.120902][ T5397] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.137706][ T5397] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.191682][ T5397] team0: Port device team_slave_0 added [ 102.204395][ T5397] team0: Port device team_slave_1 added [ 102.261476][ T5397] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.275513][ T5397] 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. [ 102.295229][ T5397] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.315039][ T5397] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.317847][ T5397] 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. [ 102.352163][ T5397] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.436700][ T5397] hsr_slave_0: entered promiscuous mode [ 102.455573][ T5397] hsr_slave_1: entered promiscuous mode [ 102.819205][ T5397] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 102.848606][ T5397] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 102.866144][ T5397] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 102.886844][ T5397] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 103.073005][ T5397] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.118256][ T5397] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.140954][ T1317] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.144015][ T1317] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.175964][ T1317] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.179194][ T1317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.506729][ T5397] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.920785][ T5397] veth0_vlan: entered promiscuous mode [ 103.950158][ T5397] veth1_vlan: entered promiscuous mode [ 103.995948][ T5397] veth0_macvtap: entered promiscuous mode [ 104.018315][ T5397] veth1_macvtap: entered promiscuous mode [ 104.039706][ T5397] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.059647][ T5397] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.094441][ T1317] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.107400][ T1317] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.127888][ T1317] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.131530][ T1317] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/12/25 09:01:20 executed programs: 0 [ 104.360507][ T5353] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.366226][ T5353] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.369816][ T5353] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.373290][ T5353] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.377846][ T5353] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.889519][ T5452] chnl_net:caif_netlink_parms(): no params data found [ 105.050781][ T5452] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.054033][ T5452] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.075927][ T5452] bridge_slave_0: entered allmulticast mode [ 105.079946][ T5452] bridge_slave_0: entered promiscuous mode [ 105.096747][ T5452] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.099944][ T5452] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.103457][ T5452] bridge_slave_1: entered allmulticast mode [ 105.126459][ T5452] bridge_slave_1: entered promiscuous mode [ 105.205092][ T5452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.212685][ T5452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.297254][ T5452] team0: Port device team_slave_0 added [ 105.307311][ T5452] team0: Port device team_slave_1 added [ 105.389361][ T5452] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.392376][ T5452] 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. [ 105.426818][ T5452] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.456784][ T5452] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.459867][ T5452] 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. [ 105.499963][ T5452] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.576734][ T5452] hsr_slave_0: entered promiscuous mode [ 105.585457][ T5452] hsr_slave_1: entered promiscuous mode [ 105.596145][ T5452] debugfs: 'hsr0' already exists in 'hsr' [ 105.598930][ T5452] Cannot create hsr debugfs directory [ 105.892850][ T5452] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.909888][ T5452] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.926384][ T5452] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.932875][ T5452] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.072594][ T5452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.107678][ T5452] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.116558][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.119751][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.142966][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.146127][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.393826][ T5452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.415976][ T5353] Bluetooth: hci0: command tx timeout [ 106.440690][ T5452] veth0_vlan: entered promiscuous mode [ 106.449888][ T5452] veth1_vlan: entered promiscuous mode [ 106.478683][ T5452] veth0_macvtap: entered promiscuous mode [ 106.484819][ T5452] veth1_macvtap: entered promiscuous mode [ 106.502763][ T5452] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.514673][ T5452] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.526421][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.530318][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.534118][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.553310][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.662271][ T1317] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.675940][ T1317] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.699635][ T4054] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.703051][ T4054] 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) [ 107.700223][ T4054] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.766931][ T4054] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.820234][ T4054] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.886249][ T4054] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.072871][ T4054] bridge_slave_1: left allmulticast mode [ 108.078870][ T4054] bridge_slave_1: left promiscuous mode [ 108.082466][ T4054] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.108790][ T4054] bridge_slave_0: left allmulticast mode [ 108.111488][ T4054] bridge_slave_0: left promiscuous mode [ 108.114050][ T4054] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.558826][ T4054] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 108.566183][ T4054] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 108.571085][ T4054] bond0 (unregistering): Released all slaves [ 108.698572][ T4054] hsr_slave_0: left promiscuous mode [ 108.703175][ T4054] hsr_slave_1: left promiscuous mode [ 108.711227][ T4054] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 108.728732][ T4054] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 108.746684][ T4054] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 108.750052][ T4054] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 108.797433][ T4054] veth1_macvtap: left promiscuous mode [ 108.799985][ T4054] veth0_macvtap: left promiscuous mode [ 108.802501][ T4054] veth1_vlan: left promiscuous mode [ 108.820811][ T4054] veth0_vlan: left promiscuous mode [ 109.320783][ T4054] team0 (unregistering): Port device team_slave_1 removed [ 109.354483][ T4054] team0 (unregistering): Port device team_slave_0 removed [ 109.893530][ T4054] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.967549][ T4054] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.018752][ T4054] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.069823][ T4054] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.220417][ T4054] bridge_slave_1: left allmulticast mode [ 110.223038][ T4054] bridge_slave_1: left promiscuous mode [ 110.245047][ T4054] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.251845][ T4054] bridge_slave_0: left allmulticast mode [ 110.254253][ T4054] bridge_slave_0: left promiscuous mode [ 110.258991][ T4054] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.567438][ T4054] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 110.572830][ T4054] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 110.578894][ T4054] bond0 (unregistering): Released all slaves [ 110.809719][ T4054] hsr_slave_0: left promiscuous mode [ 110.825191][ T4054] hsr_slave_1: left promiscuous mode [ 110.828121][ T4054] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 110.831392][ T4054] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 110.848188][ T4054] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 110.851620][ T4054] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 110.872648][ T4054] veth1_macvtap: left promiscuous mode [ 110.886511][ T4054] veth0_macvtap: left promiscuous mode [ 110.889142][ T4054] veth1_vlan: left promiscuous mode [ 110.891494][ T4054] veth0_vlan: left promiscuous mode [ 111.299370][ T4054] team0 (unregistering): Port device team_slave_1 removed [ 111.327000][ T4054] team0 (unregistering): Port device team_slave_0 removed 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-build1870987096=/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 d1b870e1003b 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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" -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=\"d1b870e1003b52891d2196c1e2ee42fe905010ba\" /usr/bin/ld: /tmp/ccvZGTUV.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