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 '10.128.1.228' (ED25519) to the list of known hosts. 2025/12/28 22:24:38 parsed 1 programs [ 89.347213][ T5836] cgroup: Unknown subsys name 'net' [ 89.473017][ T5836] cgroup: Unknown subsys name 'cpuset' [ 89.482086][ T5836] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.103629][ T5836] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.911695][ T24] cfg80211: failed to load regulatory.db [ 94.464480][ T5849] 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. [ 95.164521][ T5851] chnl_net:caif_netlink_parms(): no params data found [ 95.190084][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.198357][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.206559][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.214663][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.222557][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.535999][ T5851] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.544566][ T5851] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.553006][ T5851] bridge_slave_0: entered allmulticast mode [ 95.561680][ T5851] bridge_slave_0: entered promiscuous mode [ 95.577552][ T5851] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.585271][ T5851] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.592673][ T5851] bridge_slave_1: entered allmulticast mode [ 95.600206][ T5851] bridge_slave_1: entered promiscuous mode [ 95.722536][ T5851] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.764323][ T5851] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.391028][ T5851] team0: Port device team_slave_0 added [ 96.447669][ T5851] team0: Port device team_slave_1 added [ 96.604503][ T5851] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.619511][ T5851] 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. [ 96.657226][ T5851] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.678930][ T5851] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.687443][ T5851] 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. [ 96.714429][ T5851] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.894146][ T5851] hsr_slave_0: entered promiscuous mode [ 96.901275][ T5851] hsr_slave_1: entered promiscuous mode [ 97.214223][ T3483] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.237290][ T3483] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.690304][ T3483] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.704310][ T3483] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.136999][ T5851] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 98.165253][ T5851] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 98.177868][ T5851] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 98.194315][ T5851] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 98.396959][ T5851] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.427483][ T5851] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.447170][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.454537][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.482868][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.490095][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.710437][ T5851] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.751893][ T5851] veth0_vlan: entered promiscuous mode [ 98.763641][ T5851] veth1_vlan: entered promiscuous mode [ 98.792115][ T5851] veth0_macvtap: entered promiscuous mode [ 98.804900][ T5851] veth1_macvtap: entered promiscuous mode [ 98.823338][ T5851] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.837229][ T5851] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.853246][ T3483] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.863535][ T3483] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.874242][ T3483] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.883789][ T3483] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/12/28 22:24:50 executed programs: 0 [ 99.075014][ T5149] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.088462][ T5149] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.099151][ T5149] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.107655][ T5149] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.115734][ T5149] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.316512][ T5941] chnl_net:caif_netlink_parms(): no params data found [ 99.397765][ T5941] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.405328][ T5941] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.413004][ T5941] bridge_slave_0: entered allmulticast mode [ 99.420547][ T5941] bridge_slave_0: entered promiscuous mode [ 99.428306][ T5941] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.436723][ T5941] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.444012][ T5941] bridge_slave_1: entered allmulticast mode [ 99.451295][ T5941] bridge_slave_1: entered promiscuous mode [ 99.487276][ T5941] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.498824][ T5941] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.538985][ T5941] team0: Port device team_slave_0 added [ 99.547986][ T5941] team0: Port device team_slave_1 added [ 99.576830][ T5941] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.584361][ T5941] 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. [ 99.611388][ T5941] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.626014][ T5941] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.633105][ T5941] 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. [ 99.660131][ T5941] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.708329][ T5941] hsr_slave_0: entered promiscuous mode [ 99.714673][ T5941] hsr_slave_1: entered promiscuous mode [ 99.721422][ T5941] debugfs: 'hsr0' already exists in 'hsr' [ 99.727214][ T5941] Cannot create hsr debugfs directory [ 99.876291][ T5941] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.888596][ T5941] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.898835][ T5941] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.908973][ T5941] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.942720][ T5941] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.950007][ T5941] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.957602][ T5941] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.964775][ T5941] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.024869][ T5941] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.040570][ T3483] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.048267][ T3483] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.069402][ T5941] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.083271][ T1005] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.090524][ T1005] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.107001][ T3483] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.114134][ T3483] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.296066][ T5941] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.346779][ T5941] veth0_vlan: entered promiscuous mode [ 100.358578][ T5941] veth1_vlan: entered promiscuous mode [ 100.391676][ T5941] veth0_macvtap: entered promiscuous mode [ 100.402809][ T5941] veth1_macvtap: entered promiscuous mode [ 100.423074][ T5941] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.437613][ T5941] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.453183][ T406] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.462176][ T406] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.473798][ T406] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.484517][ T406] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.545744][ T3483] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.566135][ T3483] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.594367][ T406] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.603147][ T406] 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) [ 101.113769][ T36] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 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-build1195144377=/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=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/ccDAtdPS.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