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 '10.128.1.167' (ED25519) to the list of known hosts. 2026/04/10 23:22:53 parsed 1 programs [ 72.328999][ T4188] cgroup: Unknown subsys name 'net' [ 72.466804][ T4188] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 74.120203][ T4188] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 77.234244][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 77.242111][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 77.448264][ T4233] chnl_net:caif_netlink_parms(): no params data found [ 77.618223][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.626543][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.665257][ T1274] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.768560][ T1274] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.776844][ T1274] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.826770][ T4233] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.852464][ T4233] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.865900][ T4233] device bridge_slave_0 entered promiscuous mode [ 77.889288][ T4233] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.896850][ T4233] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.929447][ T4233] device bridge_slave_1 entered promiscuous mode [ 77.970227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.061890][ T4233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.106932][ T4233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.254287][ T4233] team0: Port device team_slave_0 added [ 78.280496][ T4233] team0: Port device team_slave_1 added [ 78.330862][ T4233] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.347814][ T4233] 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 1560 would solve the problem. [ 78.379252][ T4233] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.394332][ T4233] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.403430][ T4233] 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 1560 would solve the problem. [ 78.441047][ T4233] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.490615][ T4233] device hsr_slave_0 entered promiscuous mode [ 78.498252][ T4233] device hsr_slave_1 entered promiscuous mode [ 78.657583][ T4233] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 78.674707][ T4233] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 78.687449][ T4233] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 78.700468][ T4233] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 78.804204][ T4233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.836787][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.850749][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.868794][ T4233] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.883923][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.897496][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.910815][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.919113][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.944018][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.953214][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.965427][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.976461][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.984502][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.995357][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.019184][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.032136][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.042672][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.053272][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.065158][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.080158][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.088992][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.112001][ T4233] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.125664][ T4233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.135464][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.290228][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.300667][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.317915][ T4233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.336547][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 79.345831][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.365975][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.376217][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.386609][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.396067][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.408664][ T4233] device veth0_vlan entered promiscuous mode [ 79.430720][ T4233] device veth1_vlan entered promiscuous mode [ 79.474467][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.491249][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.501220][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.515185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.531818][ T4233] device veth0_macvtap entered promiscuous mode [ 79.564109][ T4233] device veth1_macvtap entered promiscuous mode [ 79.603255][ T4233] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.624351][ T4233] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.633686][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.642373][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.652315][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.662743][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.673872][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.683515][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.698698][ T4233] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.708419][ T4233] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.720918][ T4233] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.731192][ T4233] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/04/10 23:23:03 executed programs: 0 [ 80.052260][ T4295] chnl_net:caif_netlink_parms(): no params data found [ 80.103510][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.112227][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.121232][ T4295] device bridge_slave_0 entered promiscuous mode [ 80.133880][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.141477][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.150351][ T4295] device bridge_slave_1 entered promiscuous mode [ 80.179280][ T4295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.193723][ T4295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.260412][ T4295] team0: Port device team_slave_0 added [ 80.273879][ T4295] team0: Port device team_slave_1 added [ 80.324716][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.332630][ T4295] 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 1560 would solve the problem. [ 80.361205][ T4295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.375666][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.383439][ T4295] 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 1560 would solve the problem. [ 80.415595][ T4295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.455626][ T4295] device hsr_slave_0 entered promiscuous mode [ 80.463547][ T4295] device hsr_slave_1 entered promiscuous mode [ 80.471480][ T4295] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.480447][ T4295] Cannot create hsr debugfs directory [ 80.646572][ T4295] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.661589][ T4295] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.690892][ T4295] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.702626][ T4295] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.803813][ T4295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.853367][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.863449][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.882008][ T4295] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.894461][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.906962][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.917248][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.925232][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.936191][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.952159][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.963653][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.973889][ T4260] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.982495][ T4260] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.013759][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.027703][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.041534][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.052076][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.064648][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.100124][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.110945][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.122210][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.138201][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.152492][ T4295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.283142][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.292263][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.313616][ T4295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.337305][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.349091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.376060][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.386632][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.400389][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.409950][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.423385][ T4295] device veth0_vlan entered promiscuous mode [ 81.437397][ T4295] device veth1_vlan entered promiscuous mode [ 81.463108][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.476085][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.486658][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.500195][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.515528][ T4295] device veth0_macvtap entered promiscuous mode [ 81.530522][ T4295] device veth1_macvtap entered promiscuous mode [ 81.550416][ T4295] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 81.562327][ T4295] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.576916][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.585405][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.595543][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.606019][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.616729][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.632525][ T4295] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 81.643302][ T4295] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.656100][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.665025][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.675311][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.693054][ T4295] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.703180][ T4295] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.712528][ T4295] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.722219][ T4295] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.806375][ T4260] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.827945][ T4260] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.840473][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.866901][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.878761][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.890606][ T4260] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 82.019147][ T21] Bluetooth: hci0: command 0x0409 tx timeout 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-build850847751=/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='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at d6526ea3e6a 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/ccrj0bZH.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): 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