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 '10.128.1.67' (ED25519) to the list of known hosts. 2026/03/08 22:06:32 parsed 1 programs [ 76.990742][ T5831] cgroup: Unknown subsys name 'net' [ 77.105836][ T5831] cgroup: Unknown subsys name 'cpuset' [ 77.115524][ T5831] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 78.450272][ T5831] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 81.016941][ T5843] 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. [ 82.590256][ T91] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.598952][ T91] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.636382][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.644937][ T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.392867][ T5893] chnl_net:caif_netlink_parms(): no params data found [ 83.498221][ T5893] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.506493][ T5893] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.514243][ T5893] bridge_slave_0: entered allmulticast mode [ 83.522530][ T5893] bridge_slave_0: entered promiscuous mode [ 83.585934][ T5893] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.593331][ T5893] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.601129][ T5893] bridge_slave_1: entered allmulticast mode [ 83.608804][ T5893] bridge_slave_1: entered promiscuous mode [ 83.690634][ T5893] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.714441][ T5893] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.747335][ T5893] team0: Port device team_slave_0 added [ 83.759072][ T5893] team0: Port device team_slave_1 added [ 83.797847][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.805453][ T5893] 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. [ 83.831866][ T5893] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.847693][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.855133][ T5893] 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. [ 83.881550][ T5893] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.931269][ T5893] hsr_slave_0: entered promiscuous mode [ 83.938310][ T5893] hsr_slave_1: entered promiscuous mode [ 84.088338][ T5893] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.101586][ T5893] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.114194][ T5893] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.125942][ T5893] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.215019][ T5893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.247477][ T5893] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.264306][ T3524] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.272057][ T3524] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.293599][ T3524] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.300840][ T3524] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.476755][ T5893] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.536381][ T5893] veth0_vlan: entered promiscuous mode [ 84.549395][ T5893] veth1_vlan: entered promiscuous mode [ 84.588186][ T5893] veth0_macvtap: entered promiscuous mode [ 84.601710][ T5893] veth1_macvtap: entered promiscuous mode [ 84.628653][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.643292][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.661322][ T3524] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.673737][ T91] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.684080][ T91] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.700007][ T91] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.835895][ T49] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.945758][ T49] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.010261][ T49] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.105507][ T49] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.537188][ T5154] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.546926][ T5154] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.555857][ T5154] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.566172][ T5154] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.575044][ T5154] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/03/08 22:06:43 executed programs: 0 [ 86.076105][ T5154] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.086512][ T5154] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.097064][ T5154] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.105346][ T5154] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.113424][ T5154] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.285127][ T5941] chnl_net:caif_netlink_parms(): no params data found [ 86.364863][ T5941] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.373031][ T5941] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.380556][ T5941] bridge_slave_0: entered allmulticast mode [ 86.388097][ T5941] bridge_slave_0: entered promiscuous mode [ 86.397160][ T5941] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.404736][ T5941] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.412653][ T5941] bridge_slave_1: entered allmulticast mode [ 86.420052][ T5941] bridge_slave_1: entered promiscuous mode [ 86.462823][ T5941] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.477970][ T5941] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.513748][ T5941] team0: Port device team_slave_0 added [ 86.523249][ T5941] team0: Port device team_slave_1 added [ 86.556261][ T5941] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.563356][ T5941] 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. [ 86.590672][ T5941] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.606637][ T5941] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.614236][ T5941] 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. [ 86.642112][ T5941] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.693693][ T5941] hsr_slave_0: entered promiscuous mode [ 86.701379][ T5941] hsr_slave_1: entered promiscuous mode [ 86.709247][ T5941] debugfs: 'hsr0' already exists in 'hsr' [ 86.715760][ T5941] Cannot create hsr debugfs directory [ 86.956217][ T9] cfg80211: failed to load regulatory.db [ 87.690107][ T49] bridge_slave_1: left allmulticast mode [ 87.696475][ T49] bridge_slave_1: left promiscuous mode [ 87.704810][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.717420][ T49] bridge_slave_0: left allmulticast mode [ 87.726511][ T49] bridge_slave_0: left promiscuous mode [ 87.733435][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.881746][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.893538][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.903702][ T49] bond0 (unregistering): Released all slaves [ 88.009799][ T49] hsr_slave_0: left promiscuous mode [ 88.016585][ T49] hsr_slave_1: left promiscuous mode [ 88.023725][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 88.031364][ T49] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 88.041017][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 88.048814][ T49] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 88.067057][ T49] veth1_macvtap: left promiscuous mode [ 88.074950][ T49] veth0_macvtap: left promiscuous mode [ 88.081000][ T49] veth1_vlan: left promiscuous mode [ 88.087566][ T49] veth0_vlan: left promiscuous mode [ 88.153432][ T51] Bluetooth: hci0: command tx timeout [ 88.401158][ T49] team0 (unregistering): Port device team_slave_1 removed [ 88.423166][ T49] team0 (unregistering): Port device team_slave_0 removed [ 88.856335][ T5941] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.870374][ T5941] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.886454][ T5941] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.901280][ T5941] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.299860][ T5941] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.442641][ T5941] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.466736][ T33] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.474130][ T33] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.499656][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.507148][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.850463][ T5941] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.931897][ T5941] veth0_vlan: entered promiscuous mode [ 89.955795][ T5941] veth1_vlan: entered promiscuous mode [ 90.015946][ T5941] veth0_macvtap: entered promiscuous mode [ 90.030860][ T5941] veth1_macvtap: entered promiscuous mode [ 90.067627][ T5941] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.094194][ T5941] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.124142][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.146479][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.159873][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.185684][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.232983][ T51] Bluetooth: hci0: command tx timeout [ 90.270727][ T33] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.297636][ T33] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.336947][ T33] wlan1: 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) [ 90.347021][ T33] 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-build60441226=/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 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/ccoXPPTy.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