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 '10.128.1.124' (ED25519) to the list of known hosts. 2025/12/05 08:56:58 parsed 1 programs [ 86.248192][ T5833] cgroup: Unknown subsys name 'net' [ 86.384715][ T5833] cgroup: Unknown subsys name 'cpuset' [ 86.394291][ T5833] cgroup: Unknown subsys name 'rlimit' [ 86.399982][ T5833] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 88.047985][ T5833] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 90.900257][ T5850] chnl_net:caif_netlink_parms(): no params data found [ 91.003853][ T5850] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.011794][ T5850] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.019441][ T5850] bridge_slave_0: entered allmulticast mode [ 91.028278][ T5850] bridge_slave_0: entered promiscuous mode [ 91.038507][ T5850] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.045904][ T5850] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.054114][ T5850] bridge_slave_1: entered allmulticast mode [ 91.061025][ T5850] bridge_slave_1: entered promiscuous mode [ 91.091042][ T5850] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.103461][ T5850] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.133580][ T5850] team0: Port device team_slave_0 added [ 91.141973][ T5850] team0: Port device team_slave_1 added [ 91.168111][ T5850] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.175913][ T5850] 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. [ 91.203047][ T5850] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.216548][ T5850] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.224123][ T5850] 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. [ 91.251306][ T5850] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.295076][ T5850] hsr_slave_0: entered promiscuous mode [ 91.301953][ T5850] hsr_slave_1: entered promiscuous mode [ 91.438518][ T5850] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.451392][ T5850] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.463287][ T5850] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.474538][ T5850] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.508471][ T5850] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.516818][ T5850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.525667][ T5850] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.533476][ T5850] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.587856][ T5850] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.611056][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.620604][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.637996][ T5850] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.652625][ T1318] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.660214][ T1318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.676838][ T1318] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.684349][ T1318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.851693][ T5850] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.898479][ T5850] veth0_vlan: entered promiscuous mode [ 91.911019][ T5850] veth1_vlan: entered promiscuous mode [ 91.939900][ T5850] veth0_macvtap: entered promiscuous mode [ 91.951138][ T5850] veth1_macvtap: entered promiscuous mode [ 91.969475][ T5850] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.984352][ T5850] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.000405][ T3475] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.013516][ T3475] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.023899][ T3475] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.037435][ T3475] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.083420][ T974] cfg80211: failed to load regulatory.db [ 92.201125][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.271007][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.353276][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.427573][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.236400][ T3941] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.245119][ T3941] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.273115][ T3475] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.282639][ T3475] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.504649][ T12] bridge_slave_1: left allmulticast mode [ 94.510595][ T12] bridge_slave_1: left promiscuous mode [ 94.518527][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.536400][ T12] bridge_slave_0: left allmulticast mode [ 94.542444][ T12] bridge_slave_0: left promiscuous mode [ 94.548555][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.818870][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 94.831021][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 94.843464][ T12] bond0 (unregistering): Released all slaves [ 94.957207][ T12] hsr_slave_0: left promiscuous mode [ 94.964284][ T12] hsr_slave_1: left promiscuous mode [ 94.970744][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 94.980070][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 94.988843][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 94.997374][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 95.016959][ T12] veth1_macvtap: left promiscuous mode [ 95.023132][ T12] veth0_macvtap: left promiscuous mode [ 95.029576][ T12] veth1_vlan: left promiscuous mode [ 95.035809][ T12] veth0_vlan: left promiscuous mode [ 95.504145][ T12] team0 (unregistering): Port device team_slave_1 removed [ 95.534740][ T12] team0 (unregistering): Port device team_slave_0 removed [ 96.043896][ T5944] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.053929][ T5944] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.063882][ T5944] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.074069][ T5944] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.086508][ T5944] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/05 08:57:13 executed programs: 0 [ 98.427017][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.437557][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.448200][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.456677][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.471520][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 98.673583][ T6002] chnl_net:caif_netlink_parms(): no params data found [ 98.737033][ T6002] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.744976][ T6002] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.752723][ T6002] bridge_slave_0: entered allmulticast mode [ 98.759846][ T6002] bridge_slave_0: entered promiscuous mode [ 98.768475][ T6002] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.776695][ T6002] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.784116][ T6002] bridge_slave_1: entered allmulticast mode [ 98.792846][ T6002] bridge_slave_1: entered promiscuous mode [ 98.825016][ T6002] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.836788][ T6002] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.867245][ T6002] team0: Port device team_slave_0 added [ 98.876504][ T6002] team0: Port device team_slave_1 added [ 98.904181][ T6002] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.912103][ T6002] 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. [ 98.939842][ T6002] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.953028][ T6002] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.960352][ T6002] 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. [ 98.988388][ T6002] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.030734][ T6002] hsr_slave_0: entered promiscuous mode [ 99.037458][ T6002] hsr_slave_1: entered promiscuous mode [ 99.549183][ T6002] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.565480][ T6002] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.577002][ T6002] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.589104][ T6002] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.689811][ T6002] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.713747][ T6002] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.727385][ T3941] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.734967][ T3941] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.750604][ T3475] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.758066][ T3475] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.052929][ T6002] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.115212][ T6002] veth0_vlan: entered promiscuous mode [ 100.130840][ T6002] veth1_vlan: entered promiscuous mode [ 100.169243][ T6002] veth0_macvtap: entered promiscuous mode [ 100.182235][ T6002] veth1_macvtap: entered promiscuous mode [ 100.210269][ T6002] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.230190][ T6002] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.250160][ T1099] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.269842][ T1099] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.289060][ T1099] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.310590][ T1099] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.386127][ T1099] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.402894][ T1099] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.434551][ T1099] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.444076][ T1099] 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) [ 100.564428][ T52] Bluetooth: hci0: command tx timeout 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-build1166298223=/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 d6526ea3e6 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/ccPkNHjA.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