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 '10.128.1.196' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs [ 28.587108][ T6579] cgroup: Unknown subsys name 'net' [ 28.756941][ T6579] cgroup: Unknown subsys name 'cpuset' [ 28.758813][ T6579] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 28.919971][ T6579] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 35.516222][ T6589] 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. [ 35.978864][ T159] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.978895][ T159] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.044988][ T6166] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.047088][ T6166] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.055304][ T6166] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.058255][ T6166] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.071648][ T6166] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.125812][ T159] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.125845][ T159] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.374877][ T6626] chnl_net:caif_netlink_parms(): no params data found [ 36.592412][ T6626] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.593249][ T6626] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.593313][ T6626] bridge_slave_0: entered allmulticast mode [ 36.593796][ T6626] bridge_slave_0: entered promiscuous mode [ 36.596258][ T6626] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.596305][ T6626] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.596352][ T6626] bridge_slave_1: entered allmulticast mode [ 36.596819][ T6626] bridge_slave_1: entered promiscuous mode [ 36.619108][ T6626] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.621721][ T6626] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.634265][ T6626] team0: Port device team_slave_0 added [ 36.636612][ T6626] team0: Port device team_slave_1 added [ 36.644107][ T6626] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.645329][ T6626] 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. [ 36.649731][ T6626] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.652386][ T6626] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.653590][ T6626] 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. [ 36.655666][ T6626] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.666248][ T6626] hsr_slave_0: entered promiscuous mode [ 36.666595][ T6626] hsr_slave_1: entered promiscuous mode [ 36.753120][ T6626] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.756203][ T6626] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.758279][ T6626] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.760667][ T6626] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.803479][ T6626] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.803528][ T6626] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.803722][ T6626] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.803750][ T6626] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.854884][ T6626] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.859993][ T159] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.861382][ T159] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.865187][ T6626] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.867643][ T3491] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.867695][ T3491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.870433][ T545] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.870471][ T545] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.934955][ T6626] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.167588][ T6626] veth0_vlan: entered promiscuous mode [ 37.175536][ T6626] veth1_vlan: entered promiscuous mode [ 37.191057][ T6626] veth0_macvtap: entered promiscuous mode [ 37.192370][ T6626] veth1_macvtap: entered promiscuous mode [ 37.196843][ T6626] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.197846][ T6626] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.200875][ T159] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.200992][ T159] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.201141][ T159] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.201185][ T159] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:37 executed programs: 0 [ 37.309306][ T53] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 37.309684][ T53] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 37.309883][ T53] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 37.310161][ T53] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 37.310337][ T53] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 37.514704][ T1366] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.554267][ T6682] chnl_net:caif_netlink_parms(): no params data found [ 37.564112][ T1366] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.581915][ T6682] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.581991][ T6682] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.582049][ T6682] bridge_slave_0: entered allmulticast mode [ 37.582474][ T6682] bridge_slave_0: entered promiscuous mode [ 37.583268][ T6682] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.583307][ T6682] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.583350][ T6682] bridge_slave_1: entered allmulticast mode [ 37.583760][ T6682] bridge_slave_1: entered promiscuous mode [ 37.595348][ T6682] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.596932][ T6682] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.604100][ T6682] team0: Port device team_slave_0 added [ 37.604832][ T6682] team0: Port device team_slave_1 added [ 37.617153][ T1366] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.619414][ T6682] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.619437][ T6682] 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. [ 37.619457][ T6682] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.622039][ T6682] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.622049][ T6682] 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. [ 37.622061][ T6682] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.639284][ T6682] hsr_slave_0: entered promiscuous mode [ 37.639597][ T6682] hsr_slave_1: entered promiscuous mode [ 37.639790][ T6682] debugfs: 'hsr0' already exists in 'hsr' [ 37.639826][ T6682] Cannot create hsr debugfs directory [ 37.665722][ T1366] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.106033][ T53] Bluetooth: hci0: command tx timeout [ 39.385559][ T53] Bluetooth: hci1: command tx timeout [ 40.185525][ T53] Bluetooth: hci0: command tx timeout [ 40.385032][ T1366] bridge_slave_1: left allmulticast mode [ 40.386305][ T1366] bridge_slave_1: left promiscuous mode [ 40.386610][ T1366] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.390053][ T1366] bridge_slave_0: left allmulticast mode [ 40.390074][ T1366] bridge_slave_0: left promiscuous mode [ 40.390267][ T1366] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.539319][ T1366] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 40.567429][ T1366] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 40.596300][ T1366] bond0 (unregistering): Released all slaves [ 40.649297][ T1366] hsr_slave_0: left promiscuous mode [ 40.650623][ T1366] hsr_slave_1: left promiscuous mode [ 40.651942][ T1366] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 40.653153][ T1366] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 40.655644][ T1366] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 40.656846][ T1366] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 40.666436][ T1366] veth1_macvtap: left promiscuous mode [ 40.667483][ T1366] veth0_macvtap: left promiscuous mode [ 40.668746][ T1366] veth1_vlan: left promiscuous mode [ 40.669606][ T1366] veth0_vlan: left promiscuous mode [ 40.790081][ T1366] team0 (unregistering): Port device team_slave_1 removed [ 40.796560][ T1366] team0 (unregistering): Port device team_slave_0 removed [ 41.003460][ T6682] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.007225][ T6682] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.009214][ T6682] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.011410][ T6682] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.037855][ T6682] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.040503][ T6682] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.043546][ T3491] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.043578][ T3491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.045430][ T3491] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.045446][ T3491] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.053400][ T6682] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.053432][ T6682] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.096928][ T6682] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.127286][ T6682] veth0_vlan: entered promiscuous mode [ 41.131983][ T6682] veth1_vlan: entered promiscuous mode [ 41.142065][ T6682] veth0_macvtap: entered promiscuous mode [ 41.143005][ T6682] veth1_macvtap: entered promiscuous mode [ 41.146977][ T6682] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.147898][ T6682] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.150332][ T3491] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.150452][ T3491] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.150552][ T3491] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.150686][ T3491] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.172012][ T3491] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.173623][ T3491] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.182043][ T6042] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.182068][ T6042] 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-build3690632989=/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 d6526ea3e 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/12/../../../../aarch64-linux-gnu/bin/ld: /tmp/cctOvHer.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0xd8): 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