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 '10.128.1.132' (ED25519) to the list of known hosts. 2026/06/29 07:09:58 parsed 1 programs [ 92.213628][ T1217] cfg80211: failed to load regulatory.db [ 92.732163][ T5622] cgroup: Unknown subsys name 'net' [ 92.834461][ T5622] cgroup: Unknown subsys name 'cpuset' [ 92.848056][ T5622] cgroup: Unknown subsys name 'rlimit' [ 92.853929][ T5622] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 94.517920][ T5622] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 100.519635][ T5701] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.539087][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.547878][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.557972][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.568512][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.764839][ T5651] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.772610][ T5651] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.780893][ T5651] bridge_slave_0: entered allmulticast mode [ 100.789900][ T5651] bridge_slave_0: entered promiscuous mode [ 100.835240][ T5651] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.842711][ T5651] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.850583][ T5651] bridge_slave_1: entered allmulticast mode [ 100.859122][ T5651] bridge_slave_1: entered promiscuous mode [ 100.905938][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.920153][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.170246][ T5651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.265480][ T5651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.492970][ T5651] team0: Port device team_slave_0 added [ 101.509243][ T5651] team0: Port device team_slave_1 added [ 101.547163][ T3287] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.562215][ T3287] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.655489][ T5651] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.663200][ T5651] 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. [ 101.694123][ T5651] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.756070][ T5651] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.763646][ T5651] 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. [ 101.793672][ T5651] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.985669][ T5651] hsr_slave_0: entered promiscuous mode [ 101.995151][ T5651] hsr_slave_1: entered promiscuous mode [ 102.392315][ T5651] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 102.413808][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 102.426679][ T5651] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 102.443678][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 102.453022][ T5651] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 102.468162][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 102.479518][ T5651] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 102.492910][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 102.622227][ T5651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.650347][ T5651] 8021q: adding VLAN 0 to HW filter on device team0 [ 102.667773][ T82] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.675888][ T82] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.699780][ T3287] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.708835][ T3287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.138090][ T5651] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.239260][ T5651] veth0_vlan: entered promiscuous mode [ 103.261039][ T5651] veth1_vlan: entered promiscuous mode [ 103.325219][ T5651] veth0_macvtap: entered promiscuous mode [ 103.345978][ T5651] veth1_macvtap: entered promiscuous mode [ 103.389949][ T5651] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.418638][ T5651] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.441220][ T82] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.451404][ T82] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.466728][ T82] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.476783][ T82] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/06/29 07:10:13 executed programs: 0 [ 103.644638][ T4930] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.657629][ T4930] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.668332][ T4930] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.678082][ T4930] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.686400][ T4930] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.279973][ T5746] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.288533][ T5746] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.296228][ T5746] bridge_slave_0: entered allmulticast mode [ 104.304494][ T5746] bridge_slave_0: entered promiscuous mode [ 104.314435][ T5746] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.322331][ T5746] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.329950][ T5746] bridge_slave_1: entered allmulticast mode [ 104.338864][ T5746] bridge_slave_1: entered promiscuous mode [ 104.381790][ T5746] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.395768][ T5746] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.439152][ T5746] team0: Port device team_slave_0 added [ 104.449797][ T5746] team0: Port device team_slave_1 added [ 104.485253][ T5746] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.492791][ T5746] 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. [ 104.522295][ T5746] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.537896][ T5746] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.545465][ T5746] 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. [ 104.573596][ T5746] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 104.635728][ T5746] hsr_slave_0: entered promiscuous mode [ 104.642750][ T5746] hsr_slave_1: entered promiscuous mode [ 104.649845][ T5746] debugfs: 'hsr0' already exists in 'hsr' [ 104.655870][ T5746] Cannot create hsr debugfs directory [ 104.851360][ T5746] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.867166][ T5746] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 104.876182][ T5746] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.889415][ T5746] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 104.898859][ T5746] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.910567][ T5746] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 104.919122][ T5746] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.930863][ T5746] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 105.030434][ T5746] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.059147][ T5746] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.075007][ T3287] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.082765][ T3287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.101669][ T82] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.110914][ T82] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.486592][ T5746] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.536240][ T5746] veth0_vlan: entered promiscuous mode [ 105.553363][ T5746] veth1_vlan: entered promiscuous mode [ 105.586276][ T5746] veth0_macvtap: entered promiscuous mode [ 105.600720][ T5746] veth1_macvtap: entered promiscuous mode [ 105.622417][ T5746] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.640273][ T5746] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.665198][ T3361] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.674738][ T3361] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.687216][ T3361] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.699390][ T3361] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.728996][ T50] Bluetooth: hci0: command tx timeout [ 105.785272][ T3361] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.794846][ T3361] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.836151][ T3287] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.846578][ T3287] 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) [ 106.329020][ T3287] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.419561][ T3287] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.521141][ T3287] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.705114][ T3287] netdevsim netdevsim3 netdevsim0 (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-build2001397189=/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='go1.26.0' 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=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/ccQREvJX.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): 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