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 '10.128.1.80' (ED25519) to the list of known hosts. 2025/11/14 15:28:16 parsed 1 programs [ 40.296558][ T5813] cgroup: Unknown subsys name 'net' [ 40.388732][ T5813] cgroup: Unknown subsys name 'cpuset' [ 40.395379][ T5813] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 48.529645][ T5813] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.725319][ T5826] 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. [ 50.124830][ T5874] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.132081][ T5874] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.139390][ T5874] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.146668][ T5874] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.153951][ T5874] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.211546][ T5881] chnl_net:caif_netlink_parms(): no params data found [ 50.232138][ T5881] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.239234][ T5881] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.246331][ T5881] bridge_slave_0: entered allmulticast mode [ 50.252736][ T5881] bridge_slave_0: entered promiscuous mode [ 50.259377][ T5881] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.266469][ T5881] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.273698][ T5881] bridge_slave_1: entered allmulticast mode [ 50.279872][ T5881] bridge_slave_1: entered promiscuous mode [ 50.291361][ T5881] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.301121][ T5881] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.314859][ T5881] team0: Port device team_slave_0 added [ 50.321138][ T5881] team0: Port device team_slave_1 added [ 50.337350][ T5881] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.344455][ T5881] 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. [ 50.370408][ T5881] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.381546][ T5881] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.388602][ T5881] 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. [ 50.414701][ T5881] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.432432][ T5881] hsr_slave_0: entered promiscuous mode [ 50.438187][ T5881] hsr_slave_1: entered promiscuous mode [ 50.464974][ T5881] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.472557][ T5881] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.480523][ T5881] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.488191][ T5881] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.501383][ T5881] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.508462][ T5881] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.515715][ T5881] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.522863][ T5881] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.540612][ T5881] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.549623][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.557084][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.566000][ T5881] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.574224][ T74] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.581282][ T74] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.589909][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.596984][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.635045][ T5881] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.648984][ T5881] veth0_vlan: entered promiscuous mode [ 50.655799][ T5881] veth1_vlan: entered promiscuous mode [ 50.666178][ T5881] veth0_macvtap: entered promiscuous mode [ 50.672895][ T5881] veth1_macvtap: entered promiscuous mode [ 50.681496][ T5881] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.690818][ T5881] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.699598][ T74] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.708503][ T74] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.717969][ T74] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.727859][ T31] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.770674][ T31] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.781957][ T989] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.790035][ T989] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.800571][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.808621][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.816550][ T31] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.869426][ T31] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.899153][ T31] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/11/14 15:28:29 executed programs: 0 [ 53.832316][ T31] bridge_slave_1: left allmulticast mode [ 53.838115][ T31] bridge_slave_1: left promiscuous mode [ 53.843745][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.851578][ T31] bridge_slave_0: left allmulticast mode [ 53.857222][ T31] bridge_slave_0: left promiscuous mode [ 53.862866][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.918713][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.927986][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 53.936965][ T31] bond0 (unregistering): Released all slaves [ 53.989491][ T31] hsr_slave_0: left promiscuous mode [ 53.995049][ T31] hsr_slave_1: left promiscuous mode [ 54.000970][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 54.008418][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 54.015806][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 54.023374][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 54.031704][ T31] veth1_macvtap: left promiscuous mode [ 54.037164][ T31] veth0_macvtap: left promiscuous mode [ 54.042886][ T31] veth1_vlan: left promiscuous mode [ 54.048139][ T31] veth0_vlan: left promiscuous mode [ 54.071579][ T31] team0 (unregistering): Port device team_slave_1 removed [ 54.079731][ T31] team0 (unregistering): Port device team_slave_0 removed [ 56.471062][ T5135] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.478199][ T5135] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.485237][ T5135] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.492501][ T5135] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.499741][ T5135] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.533269][ T5987] chnl_net:caif_netlink_parms(): no params data found [ 56.551048][ T5987] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.558200][ T5987] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.565306][ T5987] bridge_slave_0: entered allmulticast mode [ 56.571616][ T5987] bridge_slave_0: entered promiscuous mode [ 56.578339][ T5987] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.585394][ T5987] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.592725][ T5987] bridge_slave_1: entered allmulticast mode [ 56.599055][ T5987] bridge_slave_1: entered promiscuous mode [ 56.609383][ T5987] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.619214][ T5987] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.633179][ T5987] team0: Port device team_slave_0 added [ 56.639450][ T5987] team0: Port device team_slave_1 added [ 56.649461][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.656391][ T5987] 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. [ 56.682534][ T5987] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.693636][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.700652][ T5987] 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. [ 56.726541][ T5987] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.742791][ T5987] hsr_slave_0: entered promiscuous mode [ 56.748575][ T5987] hsr_slave_1: entered promiscuous mode [ 56.899621][ T5987] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.907406][ T5987] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.916005][ T5987] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.923914][ T5987] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.936978][ T5987] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.944085][ T5987] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.951366][ T5987] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.958429][ T5987] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.978679][ T5987] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.988116][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.995621][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.009787][ T5987] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.019929][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.026986][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.035013][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.042090][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.091660][ T5987] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.108045][ T5987] veth0_vlan: entered promiscuous mode [ 57.115202][ T5987] veth1_vlan: entered promiscuous mode [ 57.128314][ T5987] veth0_macvtap: entered promiscuous mode [ 57.135072][ T5987] veth1_macvtap: entered promiscuous mode [ 57.144855][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.153327][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.163642][ T74] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.175835][ T74] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.187129][ T74] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.200636][ T74] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.217417][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.227482][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.228996][ T74] wlan1: Created IBSS using preconfigured 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) [ 57.243335][ T74] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 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-build3285272391=/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 4e1406b4d 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/ccvacM34.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