SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) no interfaces have a carrier [ 60.650200][ T5285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.665879][ T5285] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts. syzkaller login: [ 92.291976][ T9] cfg80211: failed to load regulatory.db 2026/09/10 13:07:08 parsed 1 programs [ 96.852867][ T5641] cgroup: Unknown subsys name 'net' [ 96.968790][ T5641] cgroup: Unknown subsys name 'cpuset' [ 96.972399][ T5641] cgroup: Unknown subsys name 'rlimit' [ 96.972639][ T5641] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 98.638552][ T5641] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 101.731455][ T5658] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 101.742936][ T5658] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 101.752742][ T5658] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 101.755145][ T5658] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 101.771167][ T5658] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 103.968388][ T5654] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.968868][ T5654] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.969010][ T5654] bridge_slave_0: entered allmulticast mode [ 103.970750][ T5654] bridge_slave_0: entered promiscuous mode [ 104.019018][ T5654] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.019134][ T5654] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.019291][ T5654] bridge_slave_1: entered allmulticast mode [ 104.020917][ T5654] bridge_slave_1: entered promiscuous mode [ 104.173161][ T5654] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.221030][ T5654] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.522094][ T5654] team0: Port device team_slave_0 added [ 104.581616][ T5654] team0: Port device team_slave_1 added [ 104.731383][ T5654] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.731404][ T5654] 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. [ 104.731440][ T5654] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.811692][ T5654] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.811713][ T5654] 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. [ 104.811742][ T5654] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.165361][ T5654] hsr_slave_0: entered promiscuous mode [ 105.166855][ T5654] hsr_slave_1: entered promiscuous mode [ 106.203255][ T303] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.203284][ T303] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.286592][ T5654] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 106.307344][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 106.310619][ T5654] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 106.333590][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 106.343678][ T1173] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.343700][ T1173] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.361933][ T5654] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 106.376349][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 106.382259][ T5654] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 106.412400][ T5654] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 106.673301][ T5654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.708824][ T5654] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.727425][ T1372] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.727854][ T1372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.753891][ T1372] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.754006][ T1372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.167195][ T5654] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.219522][ T5654] veth0_vlan: entered promiscuous mode [ 107.234358][ T5654] veth1_vlan: entered promiscuous mode [ 107.271528][ T5654] veth0_macvtap: entered promiscuous mode [ 107.280451][ T5654] veth1_macvtap: entered promiscuous mode [ 107.304167][ T5654] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.319452][ T5654] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.355693][ T303] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.355744][ T303] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.355777][ T303] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.355810][ T303] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 2026/09/10 13:07:22 executed programs: 0 [ 107.555876][ T5658] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.558625][ T5658] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.561452][ T5658] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.562920][ T5658] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.565180][ T5658] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.238827][ T5760] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.238907][ T5760] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.239031][ T5760] bridge_slave_0: entered allmulticast mode [ 108.240473][ T5760] bridge_slave_0: entered promiscuous mode [ 108.249233][ T5760] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.249333][ T5760] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.249477][ T5760] bridge_slave_1: entered allmulticast mode [ 108.253221][ T5760] bridge_slave_1: entered promiscuous mode [ 108.330117][ T5760] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.334186][ T5760] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.379324][ T5760] team0: Port device team_slave_0 added [ 108.382591][ T5760] team0: Port device team_slave_1 added [ 108.422370][ T5760] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.422398][ T5760] 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. [ 108.422418][ T5760] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.424177][ T5760] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.424193][ T5760] 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. [ 108.425495][ T5760] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.549414][ T5760] hsr_slave_0: entered promiscuous mode [ 108.550299][ T5760] hsr_slave_1: entered promiscuous mode [ 108.550927][ T5760] debugfs: 'hsr0' already exists in 'hsr' [ 108.551035][ T5760] Cannot create hsr debugfs directory [ 108.753287][ T5760] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.765159][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 108.767686][ T5760] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.771586][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 108.772679][ T5760] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.802800][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 108.806025][ T5760] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.828455][ T5760] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 108.875157][ T5760] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.875292][ T5760] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.875780][ T5760] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.875898][ T5760] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.981384][ T5760] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.002122][ T74] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.003229][ T74] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.051495][ T5760] 8021q: adding VLAN 0 to HW filter on device team0 [ 109.070896][ T1372] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.071015][ T1372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.099962][ T74] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.100062][ T74] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.571643][ T5760] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.628277][ T5760] veth0_vlan: entered promiscuous mode [ 109.637875][ T5760] veth1_vlan: entered promiscuous mode [ 109.648474][ T5658] Bluetooth: hci0: command tx timeout [ 109.678596][ T5760] veth0_macvtap: entered promiscuous mode [ 109.682289][ T5760] veth1_macvtap: entered promiscuous mode [ 109.706859][ T5760] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.722390][ T5760] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.757144][ T1372] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.757194][ T1372] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.757230][ T1372] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.757266][ T1372] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.850063][ T1173] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.850087][ T1173] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.899885][ T74] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.899909][ T74] 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) [ 110.155735][ T1372] netdevsim netdevsim1 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-build2928061662=/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 4e1406b4de 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/ccpEREan.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