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 '10.128.10.29' (ED25519) to the list of known hosts. 2025/11/19 14:11:52 parsed 1 programs [ 42.022753][ T5811] cgroup: Unknown subsys name 'net' [ 42.175712][ T5811] cgroup: Unknown subsys name 'cpuset' [ 42.182256][ T5811] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 50.184013][ T5811] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 51.419720][ T5824] 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. [ 51.816926][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.825249][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.836771][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.844633][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.992800][ T5887] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.000051][ T5887] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.007203][ T5887] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.014500][ T5887] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.021816][ T5887] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.104921][ T5895] chnl_net:caif_netlink_parms(): no params data found [ 52.123774][ T5895] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.130962][ T5895] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.138313][ T5895] bridge_slave_0: entered allmulticast mode [ 52.144523][ T5895] bridge_slave_0: entered promiscuous mode [ 52.151904][ T5895] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.159070][ T5895] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.166257][ T5895] bridge_slave_1: entered allmulticast mode [ 52.172607][ T5895] bridge_slave_1: entered promiscuous mode [ 52.184675][ T5895] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.194790][ T5895] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.210335][ T5895] team0: Port device team_slave_0 added [ 52.216530][ T5895] team0: Port device team_slave_1 added [ 52.226332][ T5895] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.233294][ T5895] 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. [ 52.259593][ T5895] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.270857][ T5895] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.277950][ T5895] 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. [ 52.304091][ T5895] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.330778][ T5895] hsr_slave_0: entered promiscuous mode [ 52.337739][ T5895] hsr_slave_1: entered promiscuous mode [ 52.365548][ T5895] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.373816][ T5895] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.382570][ T5895] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.390442][ T5895] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.402050][ T5895] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.409208][ T5895] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.416560][ T5895] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.424189][ T5895] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.442787][ T5895] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.452023][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.461111][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.470558][ T5895] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.479109][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.486350][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.496004][ T2979] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.503421][ T2979] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.520122][ T5895] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 52.531213][ T5895] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.567709][ T5895] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.582539][ T5895] veth0_vlan: entered promiscuous mode [ 52.589714][ T5895] veth1_vlan: entered promiscuous mode [ 52.600093][ T5895] veth0_macvtap: entered promiscuous mode [ 52.606771][ T5895] veth1_macvtap: entered promiscuous mode [ 52.615855][ T5895] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.625167][ T5895] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.634137][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.642907][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.652172][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.661018][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.696362][ T35] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.736176][ T35] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 52.776000][ T35] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/11/19 14:12:05 executed programs: 0 [ 52.826029][ T35] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.913007][ T35] bridge_slave_1: left allmulticast mode [ 55.924242][ T35] bridge_slave_1: left promiscuous mode [ 55.930898][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.939182][ T35] bridge_slave_0: left allmulticast mode [ 55.945141][ T35] bridge_slave_0: left promiscuous mode [ 55.951004][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.026188][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 56.036592][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 56.046139][ T35] bond0 (unregistering): Released all slaves [ 56.106597][ T35] hsr_slave_0: left promiscuous mode [ 56.112214][ T35] hsr_slave_1: left promiscuous mode [ 56.118098][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 56.126443][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 56.133898][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 56.141694][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 56.150927][ T35] veth1_macvtap: left promiscuous mode [ 56.157067][ T35] veth0_macvtap: left promiscuous mode [ 56.163187][ T35] veth1_vlan: left promiscuous mode [ 56.168965][ T35] veth0_vlan: left promiscuous mode [ 56.196836][ T35] team0 (unregistering): Port device team_slave_1 removed [ 56.205815][ T35] team0 (unregistering): Port device team_slave_0 removed [ 58.084150][ T5133] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.091289][ T5133] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.098477][ T5133] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.105739][ T5133] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.112872][ T5133] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.147089][ T5988] chnl_net:caif_netlink_parms(): no params data found [ 58.166338][ T5988] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.173578][ T5988] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.180784][ T5988] bridge_slave_0: entered allmulticast mode [ 58.187051][ T5988] bridge_slave_0: entered promiscuous mode [ 58.193583][ T5988] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.200740][ T5988] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.207833][ T5988] bridge_slave_1: entered allmulticast mode [ 58.214030][ T5988] bridge_slave_1: entered promiscuous mode [ 58.225238][ T5988] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.235910][ T5988] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.251413][ T5988] team0: Port device team_slave_0 added [ 58.257776][ T5988] team0: Port device team_slave_1 added [ 58.267463][ T5988] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.274482][ 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. [ 58.300974][ T5988] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.311990][ T5988] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.318969][ 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. [ 58.344994][ T5988] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.362193][ T5988] hsr_slave_0: entered promiscuous mode [ 58.368062][ T5988] hsr_slave_1: entered promiscuous mode [ 58.548290][ T5988] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.556831][ T5988] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.564665][ T5988] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.572522][ T5988] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.586118][ T5988] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.593280][ T5988] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.600654][ T5988] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.607726][ T5988] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.630191][ T5988] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.640402][ T58] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.649632][ T58] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.659837][ T5988] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.669532][ T58] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.676712][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.686492][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.693655][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.709390][ T5988] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.720129][ T5988] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.769091][ T5988] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.787789][ T5988] veth0_vlan: entered promiscuous mode [ 58.795800][ T5988] veth1_vlan: entered promiscuous mode [ 58.808550][ T5988] veth0_macvtap: entered promiscuous mode [ 58.816434][ T5988] veth1_macvtap: entered promiscuous mode [ 58.826869][ T5988] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 58.837590][ T5988] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 58.847552][ T2979] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.862969][ T2979] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.881016][ T2979] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.894676][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.903471][ T35] wlan0: 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) [ 58.917260][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.925507][ T2979] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 58.934333][ T31] 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-build3582148735=/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 4e1406b4d 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/ccMkllK7.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