SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc Warning: Permanently added '[localhost]:35003' (ED25519) to the list of known hosts. 2026/01/13 10:00:58 parsed 1 programs syzkaller login: [ 89.199197][ T5331] cgroup: Unknown subsys name 'net' [ 89.267863][ T5331] cgroup: Unknown subsys name 'cpuset' [ 89.274049][ T5331] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.103488][ T5331] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.701476][ T5346] 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. [ 96.896416][ T10] cfg80211: failed to load regulatory.db [ 97.685348][ T4686] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.689693][ T4686] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.695560][ T4686] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.704229][ T4686] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.708093][ T4686] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.486887][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.490358][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.575305][ T3016] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.578652][ T3016] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.497485][ T5393] chnl_net:caif_netlink_parms(): no params data found [ 101.715826][ T5393] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.723845][ T5393] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.727233][ T5393] bridge_slave_0: entered allmulticast mode [ 101.753770][ T5393] bridge_slave_0: entered promiscuous mode [ 101.760506][ T5393] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.783961][ T5393] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.787393][ T5393] bridge_slave_1: entered allmulticast mode [ 101.794023][ T5393] bridge_slave_1: entered promiscuous mode [ 101.875622][ T5393] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.894527][ T5393] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.957930][ T5393] team0: Port device team_slave_0 added [ 101.975664][ T5393] team0: Port device team_slave_1 added [ 102.022577][ T5393] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.026767][ T5393] 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. [ 102.043555][ T5393] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.051172][ T5393] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.054717][ T5393] 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. [ 102.066756][ T5393] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.106306][ T5393] hsr_slave_0: entered promiscuous mode [ 102.109614][ T5393] hsr_slave_1: entered promiscuous mode [ 102.269869][ T5393] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 102.280166][ T5393] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.297016][ T5393] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 102.313320][ T5393] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 102.473317][ T5393] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.503185][ T5393] 8021q: adding VLAN 0 to HW filter on device team0 [ 102.519597][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.522598][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.547574][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.550904][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.868658][ T5393] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.932787][ T5393] veth0_vlan: entered promiscuous mode [ 102.955615][ T5393] veth1_vlan: entered promiscuous mode [ 103.001471][ T5393] veth0_macvtap: entered promiscuous mode [ 103.018420][ T5393] veth1_macvtap: entered promiscuous mode [ 103.041836][ T5393] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.063525][ T5393] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.079703][ T3984] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.098048][ T3984] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.110101][ T3984] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.127058][ T3984] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.338222][ T925] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.405683][ T925] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.484637][ T925] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.689301][ T925] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.184989][ T925] bridge_slave_1: left allmulticast mode [ 106.187668][ T925] bridge_slave_1: left promiscuous mode [ 106.214631][ T925] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.315669][ T925] bridge_slave_0: left allmulticast mode [ 106.318207][ T925] bridge_slave_0: left promiscuous mode [ 106.320786][ T925] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.102820][ T925] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 107.116442][ T925] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 107.125410][ T925] bond0 (unregistering): Released all slaves [ 107.238107][ T925] hsr_slave_0: left promiscuous mode [ 107.261825][ T925] hsr_slave_1: left promiscuous mode [ 107.266234][ T925] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 107.269355][ T925] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 107.295197][ T925] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 107.303140][ T925] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 107.332611][ T925] veth1_macvtap: left promiscuous mode [ 107.350275][ T925] veth0_macvtap: left promiscuous mode [ 107.360324][ T925] veth1_vlan: left promiscuous mode [ 107.362717][ T925] veth0_vlan: left promiscuous mode 2026/01/13 10:01:20 executed programs: 0 [ 107.903266][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.909242][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.912749][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.924441][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.935578][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.208935][ T925] team0 (unregistering): Port device team_slave_1 removed [ 108.242148][ T925] team0 (unregistering): Port device team_slave_0 removed [ 109.078116][ T5455] chnl_net:caif_netlink_parms(): no params data found [ 109.379728][ T5455] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.384699][ T5455] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.387923][ T5455] bridge_slave_0: entered allmulticast mode [ 109.417510][ T5455] bridge_slave_0: entered promiscuous mode [ 109.444633][ T5455] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.453949][ T5455] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.457309][ T5455] bridge_slave_1: entered allmulticast mode [ 109.474049][ T5455] bridge_slave_1: entered promiscuous mode [ 109.558465][ T5455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.586349][ T5455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.634663][ T5455] team0: Port device team_slave_0 added [ 109.642831][ T5455] team0: Port device team_slave_1 added [ 109.685584][ T5455] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.688692][ T5455] 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. [ 109.717002][ T5455] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.746239][ T5455] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.749349][ T5455] 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. [ 109.786428][ T5455] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.895154][ T5455] hsr_slave_0: entered promiscuous mode [ 109.915272][ T5455] hsr_slave_1: entered promiscuous mode [ 110.015163][ T46] Bluetooth: hci0: command tx timeout [ 110.665334][ T5455] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.695122][ T5455] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.701756][ T5455] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.725481][ T5455] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.940583][ T5455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.960995][ T5455] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.976122][ T3016] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.979608][ T3016] bridge0: port 1(bridge_slave_0) entered forwarding state [ 111.001143][ T3016] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.004803][ T3016] bridge0: port 2(bridge_slave_1) entered forwarding state [ 111.406328][ T5455] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.484882][ T5455] veth0_vlan: entered promiscuous mode [ 111.507608][ T5455] veth1_vlan: entered promiscuous mode [ 111.574706][ T5455] veth0_macvtap: entered promiscuous mode [ 111.582125][ T5455] veth1_macvtap: entered promiscuous mode [ 111.619283][ T5455] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 111.640610][ T5455] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 111.664582][ T3489] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.668221][ T3489] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.671496][ T3489] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.696412][ T3489] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.836003][ T3984] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.839169][ T3984] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.936256][ T3984] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.939452][ T3984] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 112.095969][ T46] Bluetooth: hci0: command tx timeout SYZFAIL: failed to recv rpc [ 113.265344][ T3016] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.344861][ T3016] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.515296][ T3016] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.557684][ T3016] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.665685][ T3016] bridge_slave_1: left allmulticast mode [ 114.668225][ T3016] bridge_slave_1: left promiscuous mode [ 114.671016][ T3016] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.679899][ T3016] bridge_slave_0: left allmulticast mode [ 114.682354][ T3016] bridge_slave_0: left promiscuous mode [ 114.686270][ T3016] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.885329][ T3016] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 114.891603][ T3016] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 114.899068][ T3016] bond0 (unregistering): Released all slaves [ 115.126931][ T3016] hsr_slave_0: left promiscuous mode [ 115.134041][ T3016] hsr_slave_1: left promiscuous mode [ 115.146926][ T3016] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 115.151753][ T3016] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 115.164826][ T3016] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 115.168131][ T3016] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 115.191784][ T3016] veth1_macvtap: left promiscuous mode [ 115.198559][ T3016] veth0_macvtap: left promiscuous mode [ 115.201084][ T3016] veth1_vlan: left promiscuous mode [ 115.203504][ T3016] veth0_vlan: left promiscuous mode [ 115.566388][ T3016] team0 (unregistering): Port device team_slave_1 removed [ 115.591423][ T3016] team0 (unregistering): Port device team_slave_0 removed 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-build1701727563=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/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 d1b870e1003b 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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" -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=\"d1b870e1003b52891d2196c1e2ee42fe905010ba\" /usr/bin/ld: /tmp/cc8YgXsd.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