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 '10.128.1.254' (ED25519) to the list of known hosts. 2025/12/06 14:15:17 parsed 1 programs [ 39.493923][ T5816] cgroup: Unknown subsys name 'net' [ 39.595233][ T5816] cgroup: Unknown subsys name 'cpuset' [ 39.601596][ T5816] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 47.525586][ T5816] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 48.748361][ T5829] 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. [ 48.898399][ T5839] chnl_net:caif_netlink_parms(): no params data found [ 48.917212][ T5839] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.924320][ T5839] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.931399][ T5839] bridge_slave_0: entered allmulticast mode [ 48.937677][ T5839] bridge_slave_0: entered promiscuous mode [ 48.944074][ T5839] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.951630][ T5839] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.958944][ T5839] bridge_slave_1: entered allmulticast mode [ 48.965214][ T5839] bridge_slave_1: entered promiscuous mode [ 48.976472][ T5839] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.986403][ T5839] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.999537][ T5839] team0: Port device team_slave_0 added [ 49.005938][ T5839] team0: Port device team_slave_1 added [ 49.017388][ T5839] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.024404][ T5839] 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. [ 49.050831][ T5839] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.061843][ T5839] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.068879][ T5839] 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. [ 49.095097][ T5839] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.111500][ T5839] hsr_slave_0: entered promiscuous mode [ 49.117424][ T5839] hsr_slave_1: entered promiscuous mode [ 49.144464][ T5839] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.152150][ T5839] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.159711][ T5839] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.167553][ T5839] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.180414][ T5839] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.187470][ T5839] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.194729][ T5839] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.201757][ T5839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.218900][ T5839] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.228258][ T1126] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.235838][ T1126] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.245132][ T5839] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.253306][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.260386][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.269193][ T1126] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.276260][ T1126] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.317001][ T5839] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.331305][ T5839] veth0_vlan: entered promiscuous mode [ 49.338114][ T5839] veth1_vlan: entered promiscuous mode [ 49.349018][ T5839] veth0_macvtap: entered promiscuous mode [ 49.356257][ T5839] veth1_macvtap: entered promiscuous mode [ 49.365049][ T5839] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.374734][ T5839] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.383677][ T1126] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.392909][ T1126] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.401925][ T1126] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.411829][ T1126] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.597437][ T1076] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.628803][ T5885] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.636236][ T5885] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.643635][ T5885] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.651237][ T5885] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.658445][ T5885] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.665979][ T1076] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.715666][ T1076] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.735311][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.743218][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.753908][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.761784][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.776612][ T1076] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/06 14:15:30 executed programs: 0 [ 52.588636][ T1076] bridge_slave_1: left allmulticast mode [ 52.594913][ T1076] bridge_slave_1: left promiscuous mode [ 52.600704][ T1076] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.608290][ T1076] bridge_slave_0: left allmulticast mode [ 52.614002][ T1076] bridge_slave_0: left promiscuous mode [ 52.619752][ T1076] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.666340][ T1076] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.675478][ T1076] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.684478][ T1076] bond0 (unregistering): Released all slaves [ 52.793076][ T1076] hsr_slave_0: left promiscuous mode [ 52.800229][ T1076] hsr_slave_1: left promiscuous mode [ 52.806175][ T1076] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 52.814133][ T1076] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 52.822032][ T1076] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 52.829655][ T1076] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 52.838975][ T1076] veth1_macvtap: left promiscuous mode [ 52.844989][ T1076] veth0_macvtap: left promiscuous mode [ 52.850493][ T1076] veth1_vlan: left promiscuous mode [ 52.855811][ T1076] veth0_vlan: left promiscuous mode [ 52.879808][ T1076] team0 (unregistering): Port device team_slave_1 removed [ 52.887958][ T1076] team0 (unregistering): Port device team_slave_0 removed [ 55.541342][ T5885] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.548537][ T5885] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.555685][ T5885] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.562989][ T5885] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.570233][ T5885] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.603925][ T5990] chnl_net:caif_netlink_parms(): no params data found [ 55.621970][ T5990] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.629299][ T5990] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.636454][ T5990] bridge_slave_0: entered allmulticast mode [ 55.642724][ T5990] bridge_slave_0: entered promiscuous mode [ 55.649443][ T5990] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.656532][ T5990] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.663602][ T5990] bridge_slave_1: entered allmulticast mode [ 55.669837][ T5990] bridge_slave_1: entered promiscuous mode [ 55.680002][ T5990] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.689816][ T5990] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.703710][ T5990] team0: Port device team_slave_0 added [ 55.711248][ T5990] team0: Port device team_slave_1 added [ 55.721325][ T5990] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.728491][ T5990] 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. [ 55.754604][ T5990] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.765670][ T5990] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.772779][ T5990] 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. [ 55.799020][ T5990] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.815926][ T5990] hsr_slave_0: entered promiscuous mode [ 55.821686][ T5990] hsr_slave_1: entered promiscuous mode [ 56.016614][ T5990] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.024476][ T5990] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.032245][ T5990] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.044397][ T5990] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.058208][ T5990] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.065419][ T5990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.072751][ T5990] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.079974][ T5990] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.101176][ T5990] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.111516][ T4868] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.120270][ T4868] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.135042][ T5990] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.153319][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.160515][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.168752][ T59] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.175918][ T59] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.223530][ T5990] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.243196][ T5990] veth0_vlan: entered promiscuous mode [ 56.251971][ T5990] veth1_vlan: entered promiscuous mode [ 56.266075][ T5990] veth0_macvtap: entered promiscuous mode [ 56.272939][ T5990] veth1_macvtap: entered promiscuous mode [ 56.283135][ T5990] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.292584][ T5990] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.302300][ T59] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.311792][ T59] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.321661][ T59] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.331036][ T59] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.357662][ T59] 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) [ 56.370147][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.383168][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.391090][ T59] 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-build4061110129=/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 4fb8ef376 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=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" ./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=4fb8ef376b21a14e0ed92c40c92913ac567bd2a3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251121-171912" -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=\"4fb8ef376b21a14e0ed92c40c92913ac567bd2a3\" /usr/bin/ld: /tmp/ccRu0Hcf.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