SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 Warning: Permanently added '10.128.0.63' (ED25519) to the list of known hosts. 2025/12/27 20:39:51 parsed 1 programs [ 75.313981][ T5826] cgroup: Unknown subsys name 'net' [ 75.467687][ T5826] cgroup: Unknown subsys name 'cpuset' [ 75.476471][ T5826] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 76.900480][ T5826] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 79.794120][ T5834] 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. [ 80.446838][ T5147] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.457833][ T5147] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.467086][ T5147] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.477024][ T5147] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.484924][ T5147] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.697368][ T5879] chnl_net:caif_netlink_parms(): no params data found [ 81.794742][ T5879] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.802679][ T5879] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.810668][ T5879] bridge_slave_0: entered allmulticast mode [ 81.819109][ T5879] bridge_slave_0: entered promiscuous mode [ 81.830728][ T5879] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.838290][ T5879] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.845850][ T5879] bridge_slave_1: entered allmulticast mode [ 81.853746][ T5879] bridge_slave_1: entered promiscuous mode [ 81.900504][ T5879] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.913869][ T5879] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.962632][ T5879] team0: Port device team_slave_0 added [ 81.972176][ T5879] team0: Port device team_slave_1 added [ 82.018867][ T5879] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.026323][ T5879] 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. [ 82.053614][ T5879] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.066814][ T5879] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.073786][ T5879] 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. [ 82.100184][ T5879] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.141349][ T5879] hsr_slave_0: entered promiscuous mode [ 82.148003][ T5879] hsr_slave_1: entered promiscuous mode [ 82.304079][ T5879] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.317033][ T5879] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.327896][ T5879] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.339635][ T5879] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.372802][ T5879] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.380103][ T5879] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.388257][ T5879] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.395422][ T5879] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.453672][ T5879] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.473264][ T2995] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.482192][ T2995] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.499216][ T5879] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.513414][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.520584][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.535936][ T2995] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.543129][ T2995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.709585][ T5879] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.751678][ T5879] veth0_vlan: entered promiscuous mode [ 82.763183][ T5879] veth1_vlan: entered promiscuous mode [ 82.800435][ T5879] veth0_macvtap: entered promiscuous mode [ 82.810589][ T5879] veth1_macvtap: entered promiscuous mode [ 82.828289][ T5879] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.842883][ T5879] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.859127][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.869709][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.880243][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.890679][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.013154][ T50] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.099440][ T50] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.158044][ T50] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.241767][ T50] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.765905][ T2995] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.773934][ T2995] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.805343][ T1012] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.813381][ T1012] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/12/27 20:40:03 executed programs: 0 [ 84.500112][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.509568][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.518094][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.528847][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.537270][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.707565][ T5937] chnl_net:caif_netlink_parms(): no params data found [ 84.786468][ T5937] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.793680][ T5937] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.801227][ T5937] bridge_slave_0: entered allmulticast mode [ 84.808523][ T5937] bridge_slave_0: entered promiscuous mode [ 84.817875][ T5937] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.825276][ T5937] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.832430][ T5937] bridge_slave_1: entered allmulticast mode [ 84.839755][ T5937] bridge_slave_1: entered promiscuous mode [ 84.873997][ T5937] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.886899][ T5937] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.920874][ T5937] team0: Port device team_slave_0 added [ 84.928780][ T5937] team0: Port device team_slave_1 added [ 84.957737][ T5937] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.965332][ T5937] 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. [ 84.992332][ T5937] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.006283][ T5937] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.013238][ T5937] 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. [ 85.040081][ T5937] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.081437][ T5937] hsr_slave_0: entered promiscuous mode [ 85.088845][ T5937] hsr_slave_1: entered promiscuous mode [ 85.096007][ T5937] debugfs: 'hsr0' already exists in 'hsr' [ 85.101990][ T5937] Cannot create hsr debugfs directory [ 86.243688][ T50] bridge_slave_1: left allmulticast mode [ 86.250447][ T50] bridge_slave_1: left promiscuous mode [ 86.257592][ T50] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.272122][ T50] bridge_slave_0: left allmulticast mode [ 86.281949][ T50] bridge_slave_0: left promiscuous mode [ 86.289037][ T50] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.628130][ T5147] Bluetooth: hci0: command tx timeout [ 86.648292][ T50] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 86.660394][ T50] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 86.671908][ T50] bond0 (unregistering): Released all slaves [ 86.775535][ T50] hsr_slave_0: left promiscuous mode [ 86.781585][ T50] hsr_slave_1: left promiscuous mode [ 86.790400][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 86.797993][ T50] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 86.808603][ T50] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 86.816203][ T50] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 86.831715][ T50] veth1_macvtap: left promiscuous mode [ 86.838000][ T50] veth0_macvtap: left promiscuous mode [ 86.843630][ T50] veth1_vlan: left promiscuous mode [ 86.849186][ T50] veth0_vlan: left promiscuous mode [ 86.875585][ T48] cfg80211: failed to load regulatory.db [ 87.166224][ T50] team0 (unregistering): Port device team_slave_1 removed [ 87.196472][ T50] team0 (unregistering): Port device team_slave_0 removed [ 87.690382][ T5937] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 87.704007][ T5937] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.725092][ T5937] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.750498][ T5937] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.228710][ T5937] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.273642][ T5937] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.306623][ T2995] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.313842][ T2995] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.404996][ T2995] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.412218][ T2995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.711923][ T5147] Bluetooth: hci0: command tx timeout [ 88.851526][ T5937] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 88.928974][ T5937] veth0_vlan: entered promiscuous mode [ 88.951394][ T5937] veth1_vlan: entered promiscuous mode [ 88.996911][ T5937] veth0_macvtap: entered promiscuous mode [ 89.009175][ T5937] veth1_macvtap: entered promiscuous mode [ 89.036317][ T5937] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.055926][ T5937] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.076173][ T1012] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.091437][ T1012] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.113759][ T1012] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.140404][ T1012] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.206951][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.222942][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.263711][ T2995] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.273890][ T2995] 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 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-build759912739=/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 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/ccTvimV1.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