SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 7.849482][ T5766] 8021q: adding VLAN 0 to HW filter on device bond0 [ 7.857348][ T5766] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK [ 7.888445][ T66] gve 0000:00:00.0 enp0s0: Device link is up. Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.186' (ED25519) to the list of known hosts. 1970/01/01 00:00:29 parsed 1 programs syzkaller login: [ 30.542271][ T6086] cgroup: Unknown subsys name 'net' [ 30.692259][ T6086] cgroup: Unknown subsys name 'cpuset' [ 30.694298][ T6086] cgroup: Unknown subsys name 'rlimit' [ 30.694776][ T6086] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 30.859963][ T6086] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 34.454505][ T6118] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 34.454933][ T6118] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 34.455073][ T6118] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 34.455325][ T6118] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 34.455481][ T6118] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 34.939351][ T6141] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.939622][ T6141] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.939676][ T6141] bridge_slave_0: entered allmulticast mode [ 34.940067][ T6141] bridge_slave_0: entered promiscuous mode [ 34.941398][ T6141] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.941444][ T6141] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.941485][ T6141] bridge_slave_1: entered allmulticast mode [ 34.941838][ T6141] bridge_slave_1: entered promiscuous mode [ 34.950617][ T6141] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 34.951989][ T6141] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 34.959940][ T6141] team0: Port device team_slave_0 added [ 34.960556][ T6141] team0: Port device team_slave_1 added [ 34.966556][ T6141] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.966573][ T6141] 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. [ 34.966583][ T6141] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.967422][ T6141] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.967429][ T6141] 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. [ 34.967443][ T6141] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.985202][ T6141] hsr_slave_0: entered promiscuous mode [ 34.985500][ T6141] hsr_slave_1: entered promiscuous mode [ 35.023201][ T6141] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.025728][ T6141] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 35.026030][ T6141] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.028349][ T6141] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 35.028595][ T6141] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.030424][ T6141] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 35.031339][ T6141] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.033188][ T6141] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 35.040745][ T6141] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.040798][ T6141] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.040973][ T6141] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.041006][ T6141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.057288][ T6141] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.061393][ T187] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.062792][ T187] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.066549][ T6141] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.072655][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.072700][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.073014][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.073043][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.154579][ T6141] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.165640][ T6141] veth0_vlan: entered promiscuous mode [ 35.167544][ T6141] veth1_vlan: entered promiscuous mode [ 35.173891][ T6141] veth0_macvtap: entered promiscuous mode [ 35.174862][ T6141] veth1_macvtap: entered promiscuous mode [ 35.178523][ T6141] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.179779][ T6141] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.184750][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.201273][ T66] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.201317][ T66] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.201562][ T66] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 35.241168][ T187] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.265519][ T187] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.275707][ T66] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.275738][ T66] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.284180][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.284202][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.296124][ T187] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.344447][ T187] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:35 executed programs: 0 [ 35.696377][ T5670] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.698214][ T5670] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.699576][ T5670] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.701415][ T5670] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.703166][ T5670] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.823675][ T6209] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.823751][ T6209] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.823800][ T6209] bridge_slave_0: entered allmulticast mode [ 35.824179][ T6209] bridge_slave_0: entered promiscuous mode [ 35.824992][ T6209] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.825038][ T6209] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.825090][ T6209] bridge_slave_1: entered allmulticast mode [ 35.825443][ T6209] bridge_slave_1: entered promiscuous mode [ 35.834772][ T6209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.835590][ T6209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.842702][ T6209] team0: Port device team_slave_0 added [ 35.843463][ T6209] team0: Port device team_slave_1 added [ 35.849972][ T6209] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.849997][ T6209] 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. [ 35.850011][ T6209] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.850482][ T6209] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.850489][ T6209] 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. [ 35.850501][ T6209] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.868633][ T6209] hsr_slave_0: entered promiscuous mode [ 35.868951][ T6209] hsr_slave_1: entered promiscuous mode [ 35.869157][ T6209] debugfs: 'hsr0' already exists in 'hsr' [ 35.869198][ T6209] Cannot create hsr debugfs directory [ 37.781194][ T5670] Bluetooth: hci0: command tx timeout [ 38.639775][ T187] bridge_slave_1: left allmulticast mode [ 38.639812][ T187] bridge_slave_1: left promiscuous mode [ 38.640030][ T187] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.642578][ T187] bridge_slave_0: left allmulticast mode [ 38.642589][ T187] bridge_slave_0: left promiscuous mode [ 38.642647][ T187] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.689932][ T187] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 38.732099][ T187] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 38.771700][ T187] bond0 (unregistering): Released all slaves [ 38.865241][ T187] hsr_slave_0: left promiscuous mode [ 38.866377][ T187] hsr_slave_1: left promiscuous mode [ 38.866646][ T187] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 38.866661][ T187] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 38.868043][ T187] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 38.868051][ T187] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 38.873832][ T187] veth1_macvtap: left promiscuous mode [ 38.873876][ T187] veth0_macvtap: left promiscuous mode [ 38.873921][ T187] veth1_vlan: left promiscuous mode [ 38.873959][ T187] veth0_vlan: left promiscuous mode [ 38.945310][ T187] team0 (unregistering): Port device team_slave_1 removed [ 38.948274][ T187] team0 (unregistering): Port device team_slave_0 removed [ 38.989765][ T5766] 8021q: adding VLAN 0 to HW filter on device eth0 [ 39.119614][ T6209] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.122300][ T6209] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 39.124304][ T6209] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.126571][ T6209] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 39.128500][ T6209] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.132672][ T6209] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 39.133968][ T6209] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.136280][ T6209] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 39.154364][ T6209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.158151][ T6209] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.160087][ T301] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.160124][ T301] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.162234][ T301] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.162263][ T301] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.351108][ T6209] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.359074][ T6209] veth0_vlan: entered promiscuous mode [ 39.362577][ T6209] veth1_vlan: entered promiscuous mode [ 39.399393][ T6209] veth0_macvtap: entered promiscuous mode [ 39.401947][ T6209] veth1_macvtap: entered promiscuous mode [ 39.404924][ T6209] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.405866][ T6209] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.407921][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.409474][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.464477][ T254] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.464508][ T254] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.483719][ T254] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.485164][ T254] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.501762][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.502322][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) 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-build214260961=/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='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 4fb8ef376b2 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=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" ./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=arm64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" -o ./bin/linux_arm64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_arm64 aarch64-linux-gnu-g++ -o ./bin/linux_arm64/syz-executor executor/executor.cc \ -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_arm64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"4fb8ef376b21a14e0ed92c40c92913ac567bd2a3\" /usr/lib/gcc-cross/aarch64-linux-gnu/14/../../../../aarch64-linux-gnu/bin/ld: /tmp/cc8OTZJ7.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x2ec): 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