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 '10.128.1.135' (ED25519) to the list of known hosts. 2026/03/13 03:04:02 parsed 1 programs [ 77.613701][ T5831] cgroup: Unknown subsys name 'net' [ 77.764910][ T5831] cgroup: Unknown subsys name 'cpuset' [ 77.774484][ T5831] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 79.113930][ T5831] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 82.070172][ T5846] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.079982][ T5846] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.088306][ T5846] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.098483][ T5846] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.109843][ T5846] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.347606][ 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. [ 82.899432][ T5857] chnl_net:caif_netlink_parms(): no params data found [ 82.990616][ T5857] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.998850][ T5857] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.006358][ T5857] bridge_slave_0: entered allmulticast mode [ 83.013970][ T5857] bridge_slave_0: entered promiscuous mode [ 83.026002][ T5857] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.033791][ T5857] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.041225][ T5857] bridge_slave_1: entered allmulticast mode [ 83.049372][ T5857] bridge_slave_1: entered promiscuous mode [ 83.093084][ T5857] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.106301][ T5857] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.139665][ T5857] team0: Port device team_slave_0 added [ 83.149911][ T5857] team0: Port device team_slave_1 added [ 83.179078][ T5857] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.186952][ T5857] 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. [ 83.214677][ T5857] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.228281][ T5857] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.235426][ T5857] 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. [ 83.261673][ T5857] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.307133][ T5857] hsr_slave_0: entered promiscuous mode [ 83.314104][ T5857] hsr_slave_1: entered promiscuous mode [ 83.470216][ T5857] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.483936][ T5857] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.494750][ T5857] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.505531][ T5857] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.547481][ T5857] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.555611][ T5857] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.564211][ T5857] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.572253][ T5857] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.644250][ T5857] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.669696][ T66] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.678641][ T66] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.694991][ T5857] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.716091][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.725585][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.742869][ T66] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.751156][ T66] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.944045][ T5857] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.000773][ T5857] veth0_vlan: entered promiscuous mode [ 84.017055][ T5857] veth1_vlan: entered promiscuous mode [ 84.060276][ T5857] veth0_macvtap: entered promiscuous mode [ 84.073312][ T5857] veth1_macvtap: entered promiscuous mode [ 84.098231][ T5857] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.116782][ T5857] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.137043][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.147144][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.160784][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.170106][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.346517][ T3543] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.401767][ T3543] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.454936][ T3543] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.587968][ T3543] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 86.375744][ T66] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.384760][ T66] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.417829][ T3505] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.426866][ T3505] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.909596][ T47] cfg80211: failed to load regulatory.db [ 87.130116][ T3543] bridge_slave_1: left allmulticast mode [ 87.143273][ T3543] bridge_slave_1: left promiscuous mode [ 87.153121][ T3543] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.168074][ T3543] bridge_slave_0: left allmulticast mode [ 87.176173][ T3543] bridge_slave_0: left promiscuous mode [ 87.182466][ T3543] bridge0: port 1(bridge_slave_0) entered disabled state 2026/03/13 03:04:14 executed programs: 0 [ 87.368499][ T5150] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.378471][ T5150] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.391437][ T5150] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.403104][ T5150] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.412649][ T5150] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 87.412966][ T3543] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.437054][ T3543] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.447419][ T3543] bond0 (unregistering): Released all slaves [ 87.584993][ T3543] hsr_slave_0: left promiscuous mode [ 87.595806][ T3543] hsr_slave_1: left promiscuous mode [ 87.605449][ T3543] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 87.615963][ T3543] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 87.625519][ T3543] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 87.633249][ T3543] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 87.653634][ T3543] veth1_macvtap: left promiscuous mode [ 87.659913][ T3543] veth0_macvtap: left promiscuous mode [ 87.666906][ T3543] veth1_vlan: left promiscuous mode [ 87.672879][ T3543] veth0_vlan: left promiscuous mode [ 87.978129][ T3543] team0 (unregistering): Port device team_slave_1 removed [ 87.996474][ T3543] team0 (unregistering): Port device team_slave_0 removed [ 88.296605][ T5943] chnl_net:caif_netlink_parms(): no params data found [ 88.531184][ T5943] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.542155][ T5943] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.550130][ T5943] bridge_slave_0: entered allmulticast mode [ 88.560095][ T5943] bridge_slave_0: entered promiscuous mode [ 88.577926][ T5943] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.587472][ T5943] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.596457][ T5943] bridge_slave_1: entered allmulticast mode [ 88.606275][ T5943] bridge_slave_1: entered promiscuous mode [ 88.674981][ T5943] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 88.697822][ T5943] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.108758][ T5943] team0: Port device team_slave_0 added [ 89.119276][ T5943] team0: Port device team_slave_1 added [ 89.195323][ T5943] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.202817][ T5943] 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. [ 89.231005][ T5943] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.255821][ T5943] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.263177][ T5943] 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. [ 89.291225][ T5943] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.387403][ T5943] hsr_slave_0: entered promiscuous mode [ 89.401964][ T5943] hsr_slave_1: entered promiscuous mode [ 89.472619][ T5846] Bluetooth: hci0: command tx timeout [ 90.404742][ T5943] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.419010][ T5943] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.433361][ T5943] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.455598][ T5943] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.606432][ T5943] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.642201][ T5943] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.664838][ T3505] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.672640][ T3505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.695682][ T3543] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.703115][ T3543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.024682][ T5943] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.123833][ T5943] veth0_vlan: entered promiscuous mode [ 91.148085][ T5943] veth1_vlan: entered promiscuous mode [ 91.202794][ T5943] veth0_macvtap: entered promiscuous mode [ 91.216590][ T5943] veth1_macvtap: entered promiscuous mode [ 91.256318][ T5943] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.279875][ T5943] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.315235][ T3543] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.343083][ T3543] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.367248][ T3543] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.402162][ T3543] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.468835][ T3543] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.479784][ T3543] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.506469][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.515126][ T49] 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) [ 91.540558][ T5846] Bluetooth: hci0: command tx timeout 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-build2109099395=/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/ccUDs389.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