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 '10.128.1.223' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs [ 31.900263][ T4678] cgroup: Unknown subsys name 'net' [ 32.059937][ T4678] cgroup: Unknown subsys name 'cpuset' [ 32.061905][ T4678] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.228100][ T4678] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 32.841477][ T4684] 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. [ 32.941743][ T14] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.941774][ T14] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 32.953250][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 32.953276][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 33.253261][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 33.253625][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 33.253856][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 33.254190][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 33.254408][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 33.852979][ T4723] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.853294][ T4723] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.853358][ T4723] bridge_slave_0: entered allmulticast mode [ 33.853828][ T4723] bridge_slave_0: entered promiscuous mode [ 33.854947][ T4723] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.855001][ T4723] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.855060][ T4723] bridge_slave_1: entered allmulticast mode [ 33.855443][ T4723] bridge_slave_1: entered promiscuous mode [ 33.866811][ T4723] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 33.867678][ T4723] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 33.875980][ T4723] team0: Port device team_slave_0 added [ 33.876736][ T4723] team0: Port device team_slave_1 added [ 33.885340][ T4723] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.885363][ T4723] 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. [ 33.885376][ T4723] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.886171][ T4723] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.886179][ T4723] 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. [ 33.886192][ T4723] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.905801][ T4723] hsr_slave_0: entered promiscuous mode [ 33.906173][ T4723] hsr_slave_1: entered promiscuous mode [ 33.964891][ T4723] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 33.973860][ T4723] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 33.974235][ T4723] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 33.977270][ T4723] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 33.977891][ T4723] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 33.982152][ T4723] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 33.983824][ T4723] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 33.986006][ T4723] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 33.998445][ T4723] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.998500][ T4723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.998664][ T4723] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.998708][ T4723] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.010208][ T1401] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.011771][ T1401] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.020529][ T4723] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.025716][ T4723] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.030822][ T1401] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.030877][ T1401] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.033876][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.033923][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.134123][ T4723] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.151826][ T4723] veth0_vlan: entered promiscuous mode [ 34.153515][ T4723] veth1_vlan: entered promiscuous mode [ 34.160632][ T4723] veth0_macvtap: entered promiscuous mode [ 34.161643][ T4723] veth1_macvtap: entered promiscuous mode [ 34.165305][ T4723] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.167357][ T4723] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.170470][ T40] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.173542][ T40] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.175070][ T40] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.176938][ T40] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.265055][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.305495][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.352667][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.416957][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:34 executed programs: 0 [ 34.790720][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 34.792154][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 34.793053][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 34.793389][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 34.793612][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 34.933251][ T4779] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.933331][ T4779] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.933399][ T4779] bridge_slave_0: entered allmulticast mode [ 34.933923][ T4779] bridge_slave_0: entered promiscuous mode [ 34.935935][ T4779] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.936016][ T4779] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.936133][ T4779] bridge_slave_1: entered allmulticast mode [ 34.936552][ T4779] bridge_slave_1: entered promiscuous mode [ 34.946390][ T4779] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 34.947336][ T4779] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 34.956936][ T4779] team0: Port device team_slave_0 added [ 34.957759][ T4779] team0: Port device team_slave_1 added [ 34.964902][ T4779] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.964922][ T4779] 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. [ 34.964938][ T4779] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.965472][ T4779] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.965481][ T4779] 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. [ 34.965493][ T4779] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.988376][ T4779] hsr_slave_0: entered promiscuous mode [ 34.989512][ T4779] hsr_slave_1: entered promiscuous mode [ 34.989743][ T4779] debugfs: 'hsr0' already exists in 'hsr' [ 34.989779][ T4779] Cannot create hsr debugfs directory [ 36.808905][ T50] Bluetooth: hci0: command tx timeout [ 37.368610][ T39] bridge_slave_1: left allmulticast mode [ 37.368662][ T39] bridge_slave_1: left promiscuous mode [ 37.369149][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.372422][ T39] bridge_slave_0: left allmulticast mode [ 37.372445][ T39] bridge_slave_0: left promiscuous mode [ 37.372531][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.514391][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 37.529875][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 37.559497][ T39] bond0 (unregistering): Released all slaves [ 37.643157][ T39] hsr_slave_0: left promiscuous mode [ 37.644567][ T39] hsr_slave_1: left promiscuous mode [ 37.646105][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 37.647430][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 37.653996][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 37.655397][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 37.660547][ T39] veth1_macvtap: left promiscuous mode [ 37.661722][ T39] veth0_macvtap: left promiscuous mode [ 37.662739][ T39] veth1_vlan: left promiscuous mode [ 37.663720][ T39] veth0_vlan: left promiscuous mode [ 37.750015][ T39] team0 (unregistering): Port device team_slave_1 removed [ 37.753608][ T39] team0 (unregistering): Port device team_slave_0 removed [ 37.800418][ T4355] 8021q: adding VLAN 0 to HW filter on device eth0 [ 38.023048][ T4779] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.024519][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 38.024853][ T4779] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.026666][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 38.026946][ T4779] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.030093][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 38.030691][ T4779] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.032874][ T4779] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 38.058543][ T4779] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.065604][ T4779] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.067334][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.067379][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.072995][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.073036][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.344338][ T4779] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.357642][ T4779] veth0_vlan: entered promiscuous mode [ 38.365051][ T4779] veth1_vlan: entered promiscuous mode [ 38.374219][ T4779] veth0_macvtap: entered promiscuous mode [ 38.375358][ T4779] veth1_macvtap: entered promiscuous mode [ 38.379219][ T4779] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.380166][ T4779] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.383941][ T14] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.384765][ T14] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.384853][ T14] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.384931][ T14] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.404687][ T14] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.404712][ T14] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.416194][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.417776][ T39] 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-build1496690271=/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='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at d6526ea3e6a 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=arm64 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_arm64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_arm64 aarch64-linux-gnu-g++ -o ./bin/linux_arm64/syz-executor executor/executor.cc \ -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_arm64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\" /usr/lib/gcc-cross/aarch64-linux-gnu/14/../../../../aarch64-linux-gnu/bin/ld: /tmp/ccOdbyFp.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x2ec): 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