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 '10.128.1.159' (ED25519) to the list of known hosts. 2026/01/09 17:27:34 parsed 1 programs [ 43.376045][ T5815] cgroup: Unknown subsys name 'net' [ 43.516126][ T5815] cgroup: Unknown subsys name 'cpuset' [ 43.522634][ T5815] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 52.177720][ T5815] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 53.644000][ T4430] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.654550][ T4430] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.666929][ T1987] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.675368][ T1987] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.696694][ 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. [ 53.968574][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.975740][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.983492][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.992845][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.001037][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.359350][ T5886] chnl_net:caif_netlink_parms(): no params data found [ 54.386273][ T5886] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.393370][ T5886] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.401562][ T5886] bridge_slave_0: entered allmulticast mode [ 54.407935][ T5886] bridge_slave_0: entered promiscuous mode [ 54.414387][ T5886] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.421725][ T5886] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.429209][ T5886] bridge_slave_1: entered allmulticast mode [ 54.435736][ T5886] bridge_slave_1: entered promiscuous mode [ 54.448085][ T5886] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.457932][ T5886] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.471696][ T5886] team0: Port device team_slave_0 added [ 54.477857][ T5886] team0: Port device team_slave_1 added [ 54.488866][ T5886] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.495971][ T5886] 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. [ 54.522266][ T5886] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.533529][ T5886] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.540541][ T5886] 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. [ 54.567063][ T5886] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.585799][ T5886] hsr_slave_0: entered promiscuous mode [ 54.591753][ T5886] hsr_slave_1: entered promiscuous mode [ 54.621655][ T5886] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.629652][ T5886] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.637380][ T5886] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.645085][ T5886] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.668952][ T5886] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.679035][ T5886] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.687566][ T1987] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.694724][ T1987] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.704312][ T131] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.711505][ T131] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.757527][ T5886] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.772932][ T5886] veth0_vlan: entered promiscuous mode [ 54.780850][ T5886] veth1_vlan: entered promiscuous mode [ 54.791662][ T5886] veth0_macvtap: entered promiscuous mode [ 54.798579][ T5886] veth1_macvtap: entered promiscuous mode [ 54.807320][ T5886] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.817412][ T5886] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.827074][ T1987] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.836648][ T1987] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.845768][ T1987] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.854666][ T1987] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.889766][ T4430] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.926880][ T4430] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 54.977988][ T4430] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.059827][ T4430] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/01/09 17:27:48 executed programs: 0 [ 57.929306][ T4430] bridge_slave_1: left allmulticast mode [ 57.935179][ T4430] bridge_slave_1: left promiscuous mode [ 57.940943][ T4430] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.948618][ T4430] bridge_slave_0: left allmulticast mode [ 57.954276][ T4430] bridge_slave_0: left promiscuous mode [ 57.960086][ T4430] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.999339][ T4430] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.008790][ T4430] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.018766][ T4430] bond0 (unregistering): Released all slaves [ 58.097286][ T4430] hsr_slave_0: left promiscuous mode [ 58.102776][ T4430] hsr_slave_1: left promiscuous mode [ 58.108545][ T4430] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.116099][ T4430] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.123566][ T4430] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.131677][ T4430] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.140491][ T4430] veth1_macvtap: left promiscuous mode [ 58.146567][ T4430] veth0_macvtap: left promiscuous mode [ 58.152310][ T4430] veth1_vlan: left promiscuous mode [ 58.157755][ T4430] veth0_vlan: left promiscuous mode [ 58.183122][ T4430] team0 (unregistering): Port device team_slave_1 removed [ 58.191592][ T4430] team0 (unregistering): Port device team_slave_0 removed [ 60.971796][ T5136] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.979149][ T5136] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.986456][ T5136] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.993856][ T5136] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.001201][ T5136] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.039646][ T5990] chnl_net:caif_netlink_parms(): no params data found [ 61.059183][ T5990] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.066776][ T5990] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.074036][ T5990] bridge_slave_0: entered allmulticast mode [ 61.080533][ T5990] bridge_slave_0: entered promiscuous mode [ 61.087152][ T5990] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.094222][ T5990] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.101388][ T5990] bridge_slave_1: entered allmulticast mode [ 61.107648][ T5990] bridge_slave_1: entered promiscuous mode [ 61.120140][ T5990] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.130190][ T5990] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.143902][ T5990] team0: Port device team_slave_0 added [ 61.150019][ T5990] team0: Port device team_slave_1 added [ 61.160260][ T5990] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.167517][ T5990] 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. [ 61.193531][ T5990] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.204627][ T5990] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.211589][ T5990] 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. [ 61.237509][ T5990] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.255278][ T5990] hsr_slave_0: entered promiscuous mode [ 61.261028][ T5990] hsr_slave_1: entered promiscuous mode [ 61.446060][ T5990] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.454253][ T5990] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.462658][ T5990] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.472649][ T5990] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.497234][ T5990] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.504430][ T5990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.511953][ T5990] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.519092][ T5990] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.541524][ T5990] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.551560][ T4430] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.560591][ T4430] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.571123][ T5990] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.581048][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.588109][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.600789][ T4430] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.608045][ T4430] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.669999][ T5990] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.688603][ T5990] veth0_vlan: entered promiscuous mode [ 61.697654][ T5990] veth1_vlan: entered promiscuous mode [ 61.710131][ T5990] veth0_macvtap: entered promiscuous mode [ 61.717616][ T5990] veth1_macvtap: entered promiscuous mode [ 61.728028][ T5990] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.738003][ T5990] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.748531][ T31] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.759222][ T31] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.768931][ T31] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.778866][ T31] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.803867][ T31] wlan0: Created IBSS using preconfigured 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) [ 61.816394][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.828895][ T131] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.837039][ T131] 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-build420909540=/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/ccbKSsij.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