SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 Warning: Permanently added '10.128.0.157' (ED25519) to the list of known hosts. 2026/01/12 11:34:06 parsed 1 programs [ 85.681508][ T5834] cgroup: Unknown subsys name 'net' [ 85.856911][ T5834] cgroup: Unknown subsys name 'cpuset' [ 85.866269][ T5834] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 87.675978][ T5834] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.165299][ T5850] 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. [ 91.378899][ T1164] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.412231][ T1164] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.619483][ T1164] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.640127][ T1164] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.651344][ T5851] chnl_net:caif_netlink_parms(): no params data found [ 91.894956][ T980] cfg80211: failed to load regulatory.db [ 92.177362][ T5886] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.185831][ T5886] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.194283][ T5886] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.205938][ T5886] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.215148][ T5886] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.296917][ T5851] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.322556][ T5851] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.330305][ T5851] bridge_slave_0: entered allmulticast mode [ 92.338773][ T5851] bridge_slave_0: entered promiscuous mode [ 92.379157][ T5851] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.394208][ T5851] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.401549][ T5851] bridge_slave_1: entered allmulticast mode [ 92.416949][ T5851] bridge_slave_1: entered promiscuous mode [ 92.579186][ T5851] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.635856][ T5851] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.790889][ T5851] team0: Port device team_slave_0 added [ 92.835235][ T5851] team0: Port device team_slave_1 added [ 93.035723][ T5851] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.042743][ T5851] 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. [ 93.076097][ T5851] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.115157][ T5851] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.122174][ T5851] 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. [ 93.173845][ T5851] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.900827][ T5851] hsr_slave_0: entered promiscuous mode [ 93.924229][ T5851] hsr_slave_1: entered promiscuous mode [ 94.697449][ T5851] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 94.715245][ T5851] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 94.729668][ T5851] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 94.748408][ T5851] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 95.101688][ T5851] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.151678][ T5851] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.168751][ T79] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.176189][ T79] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.206762][ T1164] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.213969][ T1164] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.412858][ T5851] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.455445][ T5851] veth0_vlan: entered promiscuous mode [ 95.468135][ T5851] veth1_vlan: entered promiscuous mode [ 95.495375][ T5851] veth0_macvtap: entered promiscuous mode [ 95.506405][ T5851] veth1_macvtap: entered promiscuous mode [ 95.522115][ T5851] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.538416][ T5851] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.552271][ T79] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.562498][ T79] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.575389][ T79] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.586769][ T79] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/01/12 11:34:18 executed programs: 0 [ 95.766303][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.774820][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.782880][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.793875][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.801549][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.105766][ T5944] chnl_net:caif_netlink_parms(): no params data found [ 96.175300][ T5944] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.183275][ T5944] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.190446][ T5944] bridge_slave_0: entered allmulticast mode [ 96.198505][ T5944] bridge_slave_0: entered promiscuous mode [ 96.209477][ T5944] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.217961][ T5944] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.225369][ T5944] bridge_slave_1: entered allmulticast mode [ 96.232404][ T5944] bridge_slave_1: entered promiscuous mode [ 96.264757][ T5944] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.276669][ T5944] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.312697][ T5944] team0: Port device team_slave_0 added [ 96.321856][ T5944] team0: Port device team_slave_1 added [ 96.352934][ T5944] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.360785][ T5944] 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. [ 96.386993][ T5944] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.399909][ T5944] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.407393][ T5944] 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. [ 96.433676][ T5944] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.489560][ T5944] hsr_slave_0: entered promiscuous mode [ 96.496149][ T5944] hsr_slave_1: entered promiscuous mode [ 96.502449][ T5944] debugfs: 'hsr0' already exists in 'hsr' [ 96.509715][ T5944] Cannot create hsr debugfs directory [ 96.661443][ T5944] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.672741][ T5944] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.686880][ T5944] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.698949][ T5944] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.772778][ T5944] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.792727][ T5944] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.806952][ T1061] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.814088][ T1061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.827622][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.834810][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.017984][ T5944] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.061597][ T5944] veth0_vlan: entered promiscuous mode [ 97.075083][ T5944] veth1_vlan: entered promiscuous mode [ 97.105310][ T5944] veth0_macvtap: entered promiscuous mode [ 97.116959][ T5944] veth1_macvtap: entered promiscuous mode [ 97.135969][ T5944] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.150052][ T5944] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.164920][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.175557][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.186807][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.196099][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.265589][ T79] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.273936][ T79] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.305899][ T79] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.314895][ T79] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 SYZFAIL: failed to recv rpc [ 97.607895][ T79] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 fd=3 want=4 recv=0 n=0 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-build2841525801=/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/cchGtrjn.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