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 '10.128.1.220' (ED25519) to the list of known hosts. 2025/12/18 12:44:27 parsed 1 programs [ 37.391482][ T5814] cgroup: Unknown subsys name 'net' [ 37.575214][ T5814] cgroup: Unknown subsys name 'cpuset' [ 37.581534][ T5814] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 45.715852][ T5814] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.975024][ T5826] 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. [ 47.112295][ T5837] chnl_net:caif_netlink_parms(): no params data found [ 47.131280][ T5837] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.138558][ T5837] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.145704][ T5837] bridge_slave_0: entered allmulticast mode [ 47.151933][ T5837] bridge_slave_0: entered promiscuous mode [ 47.158346][ T5837] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.165551][ T5837] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.172629][ T5837] bridge_slave_1: entered allmulticast mode [ 47.178861][ T5837] bridge_slave_1: entered promiscuous mode [ 47.189852][ T5837] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.199698][ T5837] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.213039][ T5837] team0: Port device team_slave_0 added [ 47.219200][ T5837] team0: Port device team_slave_1 added [ 47.228554][ T5837] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.235691][ T5837] 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. [ 47.261668][ T5837] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.274970][ T5837] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.281899][ T5837] 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. [ 47.307906][ T5837] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.324734][ T5837] hsr_slave_0: entered promiscuous mode [ 47.330558][ T5837] hsr_slave_1: entered promiscuous mode [ 47.357105][ T5837] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.365456][ T5837] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.372944][ T5837] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.380597][ T5837] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.392142][ T5837] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.399214][ T5837] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.406489][ T5837] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.413608][ T5837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.431040][ T5837] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.439842][ T670] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.447371][ T670] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.456754][ T5837] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.465212][ T4041] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.472262][ T4041] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.481012][ T58] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.488044][ T58] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.525930][ T5837] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.540120][ T5837] veth0_vlan: entered promiscuous mode [ 47.546960][ T5837] veth1_vlan: entered promiscuous mode [ 47.557053][ T5837] veth0_macvtap: entered promiscuous mode [ 47.563512][ T5837] veth1_macvtap: entered promiscuous mode [ 47.572574][ T5837] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.581662][ T5837] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.590460][ T670] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.599347][ T670] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.608416][ T670] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.617425][ T670] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.677166][ T4041] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.727276][ T4041] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.765834][ T4041] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.817296][ T4041] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.830333][ T670] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.840793][ T670] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.851045][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.859081][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.096642][ T5136] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.104068][ T5136] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.112528][ T5136] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 48.120330][ T5136] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 48.127692][ T5136] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/18 12:44:40 executed programs: 0 [ 51.079333][ T4041] bridge_slave_1: left allmulticast mode [ 51.085027][ T4041] bridge_slave_1: left promiscuous mode [ 51.090627][ T4041] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.098220][ T4041] bridge_slave_0: left allmulticast mode [ 51.103902][ T4041] bridge_slave_0: left promiscuous mode [ 51.109635][ T4041] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.185493][ T4041] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.194581][ T4041] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.203610][ T4041] bond0 (unregistering): Released all slaves [ 51.266828][ T4041] hsr_slave_0: left promiscuous mode [ 51.272347][ T4041] hsr_slave_1: left promiscuous mode [ 51.279112][ T4041] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 51.286547][ T4041] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 51.293971][ T4041] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 51.301627][ T4041] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 51.310092][ T4041] veth1_macvtap: left promiscuous mode [ 51.315970][ T4041] veth0_macvtap: left promiscuous mode [ 51.321463][ T4041] veth1_vlan: left promiscuous mode [ 51.326708][ T4041] veth0_vlan: left promiscuous mode [ 51.349000][ T4041] team0 (unregistering): Port device team_slave_1 removed [ 51.357722][ T4041] team0 (unregistering): Port device team_slave_0 removed [ 53.919999][ T5136] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.927121][ T5136] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.934171][ T5136] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.941391][ T5136] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.949160][ T5136] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.982456][ T5988] chnl_net:caif_netlink_parms(): no params data found [ 54.001140][ T5988] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.008485][ T5988] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.015625][ T5988] bridge_slave_0: entered allmulticast mode [ 54.021768][ T5988] bridge_slave_0: entered promiscuous mode [ 54.028163][ T5988] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.035407][ T5988] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.042561][ T5988] bridge_slave_1: entered allmulticast mode [ 54.048841][ T5988] bridge_slave_1: entered promiscuous mode [ 54.060022][ T5988] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.070041][ T5988] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.083628][ T5988] team0: Port device team_slave_0 added [ 54.089825][ T5988] team0: Port device team_slave_1 added [ 54.099408][ T5988] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.106502][ T5988] 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. [ 54.132390][ T5988] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.143309][ T5988] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.150246][ T5988] 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. [ 54.176114][ T5988] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.192714][ T5988] hsr_slave_0: entered promiscuous mode [ 54.198606][ T5988] hsr_slave_1: entered promiscuous mode [ 54.386709][ T5988] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.395625][ T5988] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.403300][ T5988] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.411764][ T5988] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.430938][ T5988] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.438029][ T5988] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.445401][ T5988] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.452439][ T5988] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.473703][ T5988] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.483285][ T4041] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.491238][ T4041] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.506646][ T5988] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.515442][ T670] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.522493][ T670] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.532987][ T670] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.540029][ T670] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.559081][ T5988] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.569697][ T5988] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.613996][ T5988] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.631668][ T5988] veth0_vlan: entered promiscuous mode [ 54.639375][ T5988] veth1_vlan: entered promiscuous mode [ 54.657679][ T5988] veth0_macvtap: entered promiscuous mode [ 54.665676][ T5988] veth1_macvtap: entered promiscuous mode [ 54.675048][ T5988] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.686179][ T5988] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.699886][ T670] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.709652][ T670] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.719530][ T670] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.728856][ T670] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.753401][ T670] wlan0: Created IBSS using preconfigured 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) [ 54.764634][ T670] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.776852][ T4041] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.791994][ T4041] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 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-build255304105=/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='go1.24.4' 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/ccqHoNVr.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