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 '[localhost]:3817' (ED25519) to the list of known hosts. 2025/12/23 10:53:43 parsed 1 programs syzkaller login: [ 89.264750][ T5327] cgroup: Unknown subsys name 'net' [ 89.352920][ T5327] cgroup: Unknown subsys name 'cpuset' [ 89.357895][ T5327] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.381966][ T5327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.090338][ T9] cfg80211: failed to load regulatory.db [ 98.011770][ T5349] 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. [ 106.226955][ T5348] chnl_net:caif_netlink_parms(): no params data found [ 106.281926][ T4681] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.285985][ T4681] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.290104][ T4681] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.308631][ T4681] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.312667][ T4681] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.864566][ T3065] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.868107][ T3065] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.277164][ T798] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.289839][ T798] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.319347][ T5348] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.336348][ T5348] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.346671][ T5348] bridge_slave_0: entered allmulticast mode [ 107.372525][ T5348] bridge_slave_0: entered promiscuous mode [ 107.407967][ T5348] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.430975][ T5348] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.434192][ T5348] bridge_slave_1: entered allmulticast mode [ 107.457072][ T5348] bridge_slave_1: entered promiscuous mode [ 107.574474][ T5348] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.606216][ T5348] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.934909][ T5348] team0: Port device team_slave_0 added [ 107.973291][ T5348] team0: Port device team_slave_1 added [ 108.098501][ T5348] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.119869][ T5348] 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. [ 108.164963][ T5348] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.208171][ T5348] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.220177][ T5348] 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. [ 108.240398][ T5348] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.331236][ T4681] Bluetooth: hci0: command tx timeout [ 108.460703][ T5348] hsr_slave_0: entered promiscuous mode [ 108.471221][ T5348] hsr_slave_1: entered promiscuous mode [ 108.993576][ T5348] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 109.022778][ T5348] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 109.043630][ T5348] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 109.065659][ T5348] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 109.280740][ T5348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.317063][ T5348] 8021q: adding VLAN 0 to HW filter on device team0 [ 109.346111][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.349571][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 109.393753][ T2771] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.397101][ T2771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.840375][ T5348] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.968037][ T5348] veth0_vlan: entered promiscuous mode [ 109.993170][ T5348] veth1_vlan: entered promiscuous mode [ 110.059216][ T5348] veth0_macvtap: entered promiscuous mode [ 110.082571][ T5348] veth1_macvtap: entered promiscuous mode [ 110.133386][ T5348] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 110.164418][ T5348] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 110.202014][ T798] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.212987][ T798] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.240778][ T798] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.255674][ T798] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.409808][ T4681] Bluetooth: hci0: command tx timeout 2025/12/23 10:54:07 executed programs: 0 [ 111.503962][ T46] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 111.508536][ T46] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 111.512966][ T46] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 111.517185][ T46] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 111.522282][ T46] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 111.845050][ T5448] chnl_net:caif_netlink_parms(): no params data found [ 112.075203][ T5448] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.079877][ T5448] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.083263][ T5448] bridge_slave_0: entered allmulticast mode [ 112.109691][ T5448] bridge_slave_0: entered promiscuous mode [ 112.121333][ T5448] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.124549][ T5448] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.127704][ T5448] bridge_slave_1: entered allmulticast mode [ 112.151002][ T5448] bridge_slave_1: entered promiscuous mode [ 112.202533][ T5448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.210059][ T5448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.280707][ T5448] team0: Port device team_slave_0 added [ 112.301603][ T5448] team0: Port device team_slave_1 added [ 112.379815][ T5448] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.382812][ T5448] 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. [ 112.419626][ T5448] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.439776][ T5448] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.449981][ T5448] 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. [ 112.476348][ T5448] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.489728][ T46] Bluetooth: hci0: command tx timeout [ 112.571680][ T5448] hsr_slave_0: entered promiscuous mode [ 112.590714][ T5448] hsr_slave_1: entered promiscuous mode [ 112.600495][ T5448] debugfs: 'hsr0' already exists in 'hsr' [ 112.604355][ T5448] Cannot create hsr debugfs directory [ 112.966802][ T5448] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 112.991749][ T5448] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 113.017492][ T5448] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 113.041174][ T5448] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 113.154398][ T5448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 113.169166][ T5448] 8021q: adding VLAN 0 to HW filter on device team0 [ 113.177540][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.180718][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.198631][ T2771] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.201931][ T2771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.373268][ T5448] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 113.413044][ T5448] veth0_vlan: entered promiscuous mode [ 113.421970][ T5448] veth1_vlan: entered promiscuous mode [ 113.447766][ T5448] veth0_macvtap: entered promiscuous mode [ 113.456508][ T5448] veth1_macvtap: entered promiscuous mode [ 113.471225][ T5448] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 113.482670][ T5448] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 113.493595][ T2771] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.505069][ T2771] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.508921][ T2771] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.522309][ T2771] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.610278][ T46] Bluetooth: hci1: command tx timeout [ 113.615663][ T3065] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.618967][ T3065] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 113.699149][ T798] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.711107][ T798] wlan1: 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) [ 114.442863][ T54] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.532631][ T54] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.581488][ T54] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.641414][ T54] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.839186][ T54] bridge_slave_1: left allmulticast mode [ 114.850926][ T54] bridge_slave_1: left promiscuous mode [ 114.854355][ T54] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.881250][ T54] bridge_slave_0: left allmulticast mode [ 114.883858][ T54] bridge_slave_0: left promiscuous mode [ 114.886705][ T54] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.293575][ T54] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 115.300325][ T54] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 115.309887][ T54] bond0 (unregistering): Released all slaves [ 116.047083][ T54] hsr_slave_0: left promiscuous mode [ 116.060226][ T54] hsr_slave_1: left promiscuous mode [ 116.065846][ T54] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 116.069298][ T54] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 116.084680][ T54] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 116.088159][ T54] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 116.112364][ T54] veth1_macvtap: left promiscuous mode [ 116.115032][ T54] veth0_macvtap: left promiscuous mode [ 116.117616][ T54] veth1_vlan: left promiscuous mode [ 116.122611][ T54] veth0_vlan: left promiscuous mode [ 116.507298][ T54] team0 (unregistering): Port device team_slave_1 removed [ 116.537481][ T54] team0 (unregistering): Port device team_slave_0 removed [ 117.113976][ T54] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.190761][ T54] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.262566][ T54] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.322020][ T54] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 117.474016][ T54] bridge_slave_1: left allmulticast mode [ 117.476688][ T54] bridge_slave_1: left promiscuous mode [ 117.479097][ T54] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.495996][ T54] bridge_slave_0: left allmulticast mode [ 117.498353][ T54] bridge_slave_0: left promiscuous mode [ 117.507892][ T54] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.753525][ T54] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 117.758959][ T54] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 117.764091][ T54] bond0 (unregistering): Released all slaves [ 118.041937][ T54] hsr_slave_0: left promiscuous mode [ 118.052657][ T54] hsr_slave_1: left promiscuous mode [ 118.059763][ T54] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 118.062927][ T54] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 118.077683][ T54] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 118.087327][ T54] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 118.106384][ T54] veth1_macvtap: left promiscuous mode [ 118.109267][ T54] veth0_macvtap: left promiscuous mode [ 118.127373][ T54] veth1_vlan: left promiscuous mode [ 118.134543][ T54] veth0_vlan: left promiscuous mode [ 118.544069][ T54] team0 (unregistering): Port device team_slave_1 removed [ 118.571533][ T54] 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-build1938936624=/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/cchOGWWt.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