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 '10.128.0.92' (ED25519) to the list of known hosts. 2026/01/16 03:01:03 parsed 1 programs [ 43.274917][ T5817] cgroup: Unknown subsys name 'net' [ 43.453971][ T5817] cgroup: Unknown subsys name 'cpuset' [ 43.460625][ T5817] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 51.660653][ T5817] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 52.936056][ T5823] 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. [ 53.185904][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.193118][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.200458][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.208221][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.215870][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.301342][ T5855] chnl_net:caif_netlink_parms(): no params data found [ 53.323226][ T5855] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.332459][ T5855] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.340240][ T5855] bridge_slave_0: entered allmulticast mode [ 53.347229][ T5855] bridge_slave_0: entered promiscuous mode [ 53.354632][ T5855] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.362940][ T5855] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.370681][ T5855] bridge_slave_1: entered allmulticast mode [ 53.377466][ T5855] bridge_slave_1: entered promiscuous mode [ 53.389405][ T5855] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.400348][ T5855] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.416700][ T5855] team0: Port device team_slave_0 added [ 53.423294][ T5855] team0: Port device team_slave_1 added [ 53.433309][ T5855] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.440612][ T5855] 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. [ 53.467851][ T5855] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.481327][ T5855] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.488635][ T5855] 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. [ 53.516002][ T5855] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.535524][ T5855] hsr_slave_0: entered promiscuous mode [ 53.541713][ T5855] hsr_slave_1: entered promiscuous mode [ 53.574372][ T5855] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.583517][ T5855] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.591751][ T5855] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.600646][ T5855] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.614549][ T5855] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.622088][ T5855] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.630043][ T5855] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.637781][ T5855] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.660522][ T5855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.670073][ T3650] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.678501][ T3650] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.688598][ T5855] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.697705][ T1326] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.704973][ T1326] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.714642][ T1326] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.721984][ T1326] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.763780][ T5855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.780112][ T5855] veth0_vlan: entered promiscuous mode [ 53.787498][ T5855] veth1_vlan: entered promiscuous mode [ 53.799529][ T5855] veth0_macvtap: entered promiscuous mode [ 53.807519][ T5855] veth1_macvtap: entered promiscuous mode [ 53.818491][ T5855] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.829013][ T5855] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.839887][ T1326] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.850698][ T1326] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.861035][ T1326] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.871232][ T1326] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.906896][ T1326] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.966995][ T1326] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 53.995814][ T1326] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.034202][ T1326] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.159038][ T2114] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.167245][ T2114] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.178245][ T2114] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.186557][ T2114] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/01/16 03:01:16 executed programs: 0 [ 56.923092][ T1326] bridge_slave_1: left allmulticast mode [ 56.928869][ T1326] bridge_slave_1: left promiscuous mode [ 56.934672][ T1326] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.942646][ T1326] bridge_slave_0: left allmulticast mode [ 56.948885][ T1326] bridge_slave_0: left promiscuous mode [ 56.954803][ T1326] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.005555][ T1326] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 57.016763][ T1326] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 57.026927][ T1326] bond0 (unregistering): Released all slaves [ 57.095657][ T1326] hsr_slave_0: left promiscuous mode [ 57.101342][ T1326] hsr_slave_1: left promiscuous mode [ 57.107620][ T1326] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 57.115348][ T1326] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 57.123767][ T1326] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 57.131458][ T1326] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 57.140538][ T1326] veth1_macvtap: left promiscuous mode [ 57.146257][ T1326] veth0_macvtap: left promiscuous mode [ 57.152195][ T1326] veth1_vlan: left promiscuous mode [ 57.157593][ T1326] veth0_vlan: left promiscuous mode [ 57.181303][ T1326] team0 (unregistering): Port device team_slave_1 removed [ 57.191493][ T1326] team0 (unregistering): Port device team_slave_0 removed [ 60.054828][ T5138] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.062525][ T5138] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.070581][ T5138] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.078714][ T5138] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.086705][ T5138] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.122310][ T5991] chnl_net:caif_netlink_parms(): no params data found [ 60.142671][ T5991] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.151380][ T5991] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.159631][ T5991] bridge_slave_0: entered allmulticast mode [ 60.166599][ T5991] bridge_slave_0: entered promiscuous mode [ 60.173566][ T5991] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.180823][ T5991] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.188212][ T5991] bridge_slave_1: entered allmulticast mode [ 60.194588][ T5991] bridge_slave_1: entered promiscuous mode [ 60.206157][ T5991] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.216527][ T5991] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.230103][ T5991] team0: Port device team_slave_0 added [ 60.236725][ T5991] team0: Port device team_slave_1 added [ 60.246712][ T5991] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.254114][ T5991] 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. [ 60.281073][ T5991] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.292352][ T5991] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.299876][ T5991] 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. [ 60.326817][ T5991] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.344691][ T5991] hsr_slave_0: entered promiscuous mode [ 60.350528][ T5991] hsr_slave_1: entered promiscuous mode [ 60.547249][ T5991] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.556770][ T5991] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.565261][ T5991] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.574345][ T5991] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.595999][ T5991] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.603416][ T5991] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.610769][ T5991] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.617975][ T5991] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.640024][ T5991] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.651654][ T1326] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.661595][ T1326] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.672035][ T5991] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.681942][ T3533] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.689121][ T3533] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.700374][ T3533] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.707777][ T3533] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.765855][ T5991] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.785272][ T5991] veth0_vlan: entered promiscuous mode [ 60.794067][ T5991] veth1_vlan: entered promiscuous mode [ 60.813474][ T5991] veth0_macvtap: entered promiscuous mode [ 60.820492][ T5991] veth1_macvtap: entered promiscuous mode [ 60.830830][ T5991] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.844272][ T5991] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.859022][ T1326] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.868601][ T1326] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.882791][ T1326] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.895230][ T1326] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 60.917026][ T1326] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.930526][ T1326] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.943597][ T3533] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.951565][ T3533] 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-build224329181=/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/cczh2cP8.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