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 '10.128.1.154' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 35.019899][ T6570] cgroup: Unknown subsys name 'net' [ 35.169865][ T6570] cgroup: Unknown subsys name 'cpuset' [ 35.171841][ T6570] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.327762][ T6570] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 38.541672][ T6576] 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. [ 38.821145][ T6594] chnl_net:caif_netlink_parms(): no params data found [ 38.844506][ T6594] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.846159][ T6594] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.847991][ T6594] bridge_slave_0: entered allmulticast mode [ 38.850088][ T6594] bridge_slave_0: entered promiscuous mode [ 38.851838][ T6594] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.851911][ T6594] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.851993][ T6594] bridge_slave_1: entered allmulticast mode [ 38.852444][ T6594] bridge_slave_1: entered promiscuous mode [ 38.863463][ T6594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.864431][ T6594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.871785][ T6594] team0: Port device team_slave_0 added [ 38.872531][ T6594] team0: Port device team_slave_1 added [ 38.880123][ T6594] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.880146][ T6594] 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. [ 38.880157][ T6594] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.880878][ T6594] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.880884][ T6594] 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. [ 38.880896][ T6594] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.900759][ T6594] hsr_slave_0: entered promiscuous mode [ 38.901496][ T6594] hsr_slave_1: entered promiscuous mode [ 39.019802][ T6594] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.022735][ T6594] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.026056][ T6594] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.030476][ T6594] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.040899][ T6594] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.040944][ T6594] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.041136][ T6594] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.041166][ T6594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.060673][ T6594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.065590][ T6000] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.066991][ T6000] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.072113][ T6594] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.075835][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.075879][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.079965][ T6000] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.080006][ T6000] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.130335][ T6594] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.141348][ T6594] veth0_vlan: entered promiscuous mode [ 39.143085][ T6594] veth1_vlan: entered promiscuous mode [ 39.155611][ T6594] veth0_macvtap: entered promiscuous mode [ 39.156646][ T6594] veth1_macvtap: entered promiscuous mode [ 39.160570][ T6594] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.162123][ T6594] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.164910][ T1363] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.166606][ T1363] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.168083][ T1363] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.170745][ T1363] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.406189][ T1363] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.444497][ T1363] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.473743][ T1363] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.524362][ T1363] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.814108][ T6158] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.815484][ T6158] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.816766][ T6158] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.818220][ T6158] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.820151][ T6158] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.937382][ T6000] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.940080][ T6000] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.950954][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.950985][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:40 executed programs: 0 [ 40.264655][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.266064][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.267409][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.268986][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.269215][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.322464][ T6675] chnl_net:caif_netlink_parms(): no params data found [ 40.344361][ T6675] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.344447][ T6675] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.344524][ T6675] bridge_slave_0: entered allmulticast mode [ 40.344957][ T6675] bridge_slave_0: entered promiscuous mode [ 40.345764][ T6675] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.345802][ T6675] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.345855][ T6675] bridge_slave_1: entered allmulticast mode [ 40.346260][ T6675] bridge_slave_1: entered promiscuous mode [ 40.360567][ T6675] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.361585][ T6675] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.369582][ T6675] team0: Port device team_slave_0 added [ 40.370426][ T6675] team0: Port device team_slave_1 added [ 40.377491][ T6675] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.377520][ T6675] 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. [ 40.377530][ T6675] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.378071][ T6675] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.378078][ T6675] 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. [ 40.378092][ T6675] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.396765][ T6675] hsr_slave_0: entered promiscuous mode [ 40.397130][ T6675] hsr_slave_1: entered promiscuous mode [ 40.397400][ T6675] debugfs: 'hsr0' already exists in 'hsr' [ 40.397446][ T6675] Cannot create hsr debugfs directory [ 42.338625][ T53] Bluetooth: hci0: command tx timeout [ 42.750251][ T1363] bridge_slave_1: left allmulticast mode [ 42.751718][ T1363] bridge_slave_1: left promiscuous mode [ 42.753029][ T1363] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.756999][ T1363] bridge_slave_0: left allmulticast mode [ 42.757026][ T1363] bridge_slave_0: left promiscuous mode [ 42.757254][ T1363] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.891188][ T1363] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 42.930347][ T1363] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 42.969401][ T1363] bond0 (unregistering): Released all slaves [ 43.047614][ T1363] hsr_slave_0: left promiscuous mode [ 43.048883][ T1363] hsr_slave_1: left promiscuous mode [ 43.049257][ T1363] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.049272][ T1363] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.049958][ T1363] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.049971][ T1363] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.058208][ T1363] veth1_macvtap: left promiscuous mode [ 43.058276][ T1363] veth0_macvtap: left promiscuous mode [ 43.061807][ T1363] veth1_vlan: left promiscuous mode [ 43.061928][ T1363] veth0_vlan: left promiscuous mode [ 43.188337][ T1363] team0 (unregistering): Port device team_slave_1 removed [ 43.196317][ T1363] team0 (unregistering): Port device team_slave_0 removed [ 43.592110][ T6675] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.597199][ T6675] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.604301][ T6675] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.610168][ T6675] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.802634][ T6675] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.807211][ T6675] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.812470][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.812525][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.815590][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.815623][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.825587][ T6675] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.827346][ T6675] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.877183][ T6675] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.956121][ T6675] veth0_vlan: entered promiscuous mode [ 43.960507][ T6675] veth1_vlan: entered promiscuous mode [ 43.967761][ T6675] veth0_macvtap: entered promiscuous mode [ 43.969411][ T6675] veth1_macvtap: entered promiscuous mode [ 43.972946][ T6675] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.973874][ T6675] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.977814][ T6000] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.978209][ T6000] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.978229][ T6000] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.978242][ T6000] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.017149][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.018782][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.025789][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.027411][ T41] 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) 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-build4280937287=/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 d6526ea3e 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=arm64 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_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=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\" /usr/lib/gcc-cross/aarch64-linux-gnu/12/../../../../aarch64-linux-gnu/bin/ld: /tmp/ccdUkBWA.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0xd8): 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