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 '10.128.1.248' (ED25519) to the list of known hosts. 2025/12/31 16:44:22 parsed 1 programs [ 39.734144][ T5812] cgroup: Unknown subsys name 'net' [ 39.857209][ T5812] cgroup: Unknown subsys name 'cpuset' [ 39.863802][ T5812] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 47.778480][ T5812] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.068064][ T5822] 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. [ 49.308748][ T5838] chnl_net:caif_netlink_parms(): no params data found [ 49.328859][ T5838] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.336041][ T5838] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.343754][ T5838] bridge_slave_0: entered allmulticast mode [ 49.350139][ T5838] bridge_slave_0: entered promiscuous mode [ 49.357357][ T5838] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.364525][ T5838] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.371911][ T5838] bridge_slave_1: entered allmulticast mode [ 49.378135][ T5838] bridge_slave_1: entered promiscuous mode [ 49.389674][ T5838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.399606][ T5838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.415774][ T5838] team0: Port device team_slave_0 added [ 49.422019][ T5838] team0: Port device team_slave_1 added [ 49.431835][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 49.438900][ T5838] 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. [ 49.465651][ T5838] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 49.476615][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 49.483632][ T5838] 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. [ 49.510559][ T5838] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 49.527565][ T5838] hsr_slave_0: entered promiscuous mode [ 49.533421][ T5838] hsr_slave_1: entered promiscuous mode [ 49.560440][ T5838] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 49.568309][ T5838] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 49.575868][ T5838] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.583778][ T5838] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.595952][ T5838] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.603165][ T5838] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.610662][ T5838] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.617909][ T5838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.635169][ T5838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.644050][ T988] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.651850][ T988] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.661167][ T5838] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.669605][ T3531] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.676763][ T3531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.685695][ T988] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.693245][ T988] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.738496][ T5838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.757450][ T5838] veth0_vlan: entered promiscuous mode [ 49.764498][ T5838] veth1_vlan: entered promiscuous mode [ 49.775424][ T5838] veth0_macvtap: entered promiscuous mode [ 49.783068][ T5838] veth1_macvtap: entered promiscuous mode [ 49.793502][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.803503][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.813165][ T988] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.823071][ T988] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.832946][ T988] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.842333][ T988] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.878643][ T3531] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.902659][ T3531] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.947507][ T3531] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.960956][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.970753][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.981372][ T988] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.989359][ T988] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.999034][ T3531] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.204711][ T5134] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.212009][ T5134] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.219503][ T5134] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.227373][ T5134] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.234860][ T5134] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/31 16:44:35 executed programs: 0 [ 53.148565][ T3531] bridge_slave_1: left allmulticast mode [ 53.154517][ T3531] bridge_slave_1: left promiscuous mode [ 53.160325][ T3531] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.168005][ T3531] bridge_slave_0: left allmulticast mode [ 53.173725][ T3531] bridge_slave_0: left promiscuous mode [ 53.179613][ T3531] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.237676][ T3531] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 53.247038][ T3531] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 53.256348][ T3531] bond0 (unregistering): Released all slaves [ 53.338939][ T3531] hsr_slave_0: left promiscuous mode [ 53.344747][ T3531] hsr_slave_1: left promiscuous mode [ 53.350525][ T3531] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 53.357949][ T3531] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 53.365711][ T3531] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 53.373222][ T3531] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 53.382363][ T3531] veth1_macvtap: left promiscuous mode [ 53.388280][ T3531] veth0_macvtap: left promiscuous mode [ 53.393959][ T3531] veth1_vlan: left promiscuous mode [ 53.399305][ T3531] veth0_vlan: left promiscuous mode [ 53.422593][ T3531] team0 (unregistering): Port device team_slave_1 removed [ 53.431184][ T3531] team0 (unregistering): Port device team_slave_0 removed [ 55.887296][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.894411][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.902045][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.909282][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.916621][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.950481][ T5982] chnl_net:caif_netlink_parms(): no params data found [ 55.969491][ T5982] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.977052][ T5982] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.984285][ T5982] bridge_slave_0: entered allmulticast mode [ 55.990561][ T5982] bridge_slave_0: entered promiscuous mode [ 55.997049][ T5982] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.004158][ T5982] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.011375][ T5982] bridge_slave_1: entered allmulticast mode [ 56.017809][ T5982] bridge_slave_1: entered promiscuous mode [ 56.029306][ T5982] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.039258][ T5982] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.052832][ T5982] team0: Port device team_slave_0 added [ 56.059086][ T5982] team0: Port device team_slave_1 added [ 56.068914][ T5982] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.076171][ T5982] 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. [ 56.102686][ T5982] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.113895][ T5982] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.120866][ T5982] 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. [ 56.146862][ T5982] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.163814][ T5982] hsr_slave_0: entered promiscuous mode [ 56.169625][ T5982] hsr_slave_1: entered promiscuous mode [ 56.316665][ T5982] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.324540][ T5982] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.332652][ T5982] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.340696][ T5982] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.359832][ T5982] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.367350][ T5982] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.374626][ T5982] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.381979][ T5982] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.404559][ T5982] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.414893][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.423007][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.433626][ T5982] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.443777][ T3531] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.450913][ T3531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.460811][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.467903][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.530519][ T5982] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.548382][ T5982] veth0_vlan: entered promiscuous mode [ 56.556182][ T5982] veth1_vlan: entered promiscuous mode [ 56.569340][ T5982] veth0_macvtap: entered promiscuous mode [ 56.576835][ T5982] veth1_macvtap: entered promiscuous mode [ 56.587244][ T5982] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.597387][ T5982] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.607614][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.618872][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.629293][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.639645][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.661958][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.673290][ T12] 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) [ 56.684766][ T3531] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.693332][ T3531] 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-build3270090870=/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=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/ccJBeKG2.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