SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 99.068539][ T991] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.73' (ED25519) to the list of known hosts. 2026/09/28 03:14:20 parsed 1 programs [ 108.080975][ T5634] cgroup: Unknown subsys name 'net' [ 108.206328][ T5634] cgroup: Unknown subsys name 'cpuset' [ 108.217947][ T5634] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 110.034885][ T5634] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 113.810244][ T5644] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 115.932685][ T45] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.932714][ T45] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.294262][ T5697] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 116.296365][ T5697] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 116.297133][ T5697] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 116.298520][ T5697] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 116.299168][ T5697] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 116.461417][ T45] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.461441][ T45] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 118.389023][ T5686] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.391608][ T5686] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.391815][ T5686] bridge_slave_0: entered allmulticast mode [ 118.423991][ T5686] bridge_slave_0: entered promiscuous mode [ 118.445668][ T5686] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.445779][ T5686] bridge0: port 2(bridge_slave_1) entered disabled state [ 118.445944][ T5686] bridge_slave_1: entered allmulticast mode [ 118.476825][ T5686] bridge_slave_1: entered promiscuous mode [ 118.561614][ T5686] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 118.586274][ T5686] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 118.649033][ T5686] team0: Port device team_slave_0 added [ 118.653822][ T5686] team0: Port device team_slave_1 added [ 118.716991][ T5686] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 118.717006][ T5686] 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. [ 118.717025][ T5686] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 118.719995][ T5686] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 118.720013][ T5686] 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. [ 118.720038][ T5686] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 118.875480][ T5686] hsr_slave_0: entered promiscuous mode [ 118.876573][ T5686] hsr_slave_1: entered promiscuous mode [ 119.115018][ T5686] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 119.136853][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 119.138147][ T5686] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 119.171164][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 119.184078][ T5686] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 119.203316][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 119.205440][ T5686] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 119.211843][ T5686] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 119.355896][ T5686] 8021q: adding VLAN 0 to HW filter on device bond0 [ 119.394188][ T5686] 8021q: adding VLAN 0 to HW filter on device team0 [ 119.413274][ T1287] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.413893][ T1287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.449363][ T1287] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.449439][ T1287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.984756][ T5686] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 120.139770][ T5686] veth0_vlan: entered promiscuous mode [ 120.170133][ T5686] veth1_vlan: entered promiscuous mode [ 120.236977][ T5686] veth0_macvtap: entered promiscuous mode [ 120.244286][ T5686] veth1_macvtap: entered promiscuous mode [ 120.287128][ T5686] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 120.319214][ T5686] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 120.434244][ T1287] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.434501][ T1287] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.454860][ T1199] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 120.454913][ T1199] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 2026/09/28 03:14:37 executed programs: 0 [ 120.663865][ T4930] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 120.669206][ T4930] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 120.673323][ T4930] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 120.719764][ T4930] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 120.733666][ T4930] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 120.739500][ T1199] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 121.491365][ T5753] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.491542][ T5753] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.491678][ T5753] bridge_slave_0: entered allmulticast mode [ 121.497719][ T5753] bridge_slave_0: entered promiscuous mode [ 121.507855][ T5753] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.508439][ T5753] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.508952][ T5753] bridge_slave_1: entered allmulticast mode [ 121.515984][ T5753] bridge_slave_1: entered promiscuous mode [ 121.609097][ T5753] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 121.623893][ T5753] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 121.663040][ T1199] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 121.703977][ T5753] team0: Port device team_slave_0 added [ 121.708060][ T5753] team0: Port device team_slave_1 added [ 121.752157][ T5753] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 121.758133][ T5753] 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. [ 121.758240][ T5753] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 121.770972][ T5753] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 121.771035][ T5753] 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. [ 121.771068][ T5753] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 121.927892][ T5753] hsr_slave_0: entered promiscuous mode [ 121.928774][ T5753] hsr_slave_1: entered promiscuous mode [ 121.929395][ T5753] debugfs: 'hsr0' already exists in 'hsr' [ 121.929487][ T5753] Cannot create hsr debugfs directory [ 122.612631][ T1199] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.745125][ T4930] Bluetooth: hci0: command tx timeout [ 122.985221][ T1199] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 123.143222][ T1199] bridge_slave_1: left allmulticast mode [ 123.143275][ T1199] bridge_slave_1: left promiscuous mode [ 123.147026][ T1199] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.183161][ T1199] bridge_slave_0: left allmulticast mode [ 123.183200][ T1199] bridge_slave_0: left promiscuous mode [ 123.183442][ T1199] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.358694][ T1199] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 123.371084][ T1199] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 123.388423][ T1199] bond0 (unregistering): Released all slaves [ 123.508147][ T1199] hsr_slave_0: left promiscuous mode [ 123.509052][ T1199] hsr_slave_1: left promiscuous mode [ 123.510114][ T1199] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 123.510149][ T1199] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 123.511518][ T1199] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 123.511540][ T1199] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 123.567043][ T1199] veth1_macvtap: left promiscuous mode [ 123.567101][ T1199] veth0_macvtap: left promiscuous mode [ 123.567296][ T1199] veth1_vlan: left promiscuous mode [ 123.567383][ T1199] veth0_vlan: left promiscuous mode [ 123.930327][ T1199] team0 (unregistering): Port device team_slave_1 removed [ 123.956104][ T1199] team0 (unregistering): Port device team_slave_0 removed [ 124.247391][ T5275] 8021q: adding VLAN 0 to HW filter on device eth1 [ 124.636607][ T5753] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 124.658251][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 124.660346][ T5753] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 124.690181][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 124.691755][ T5753] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 124.718855][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 124.732884][ T5753] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 124.738210][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 124.823891][ T4930] Bluetooth: hci0: command tx timeout [ 124.894872][ T5753] 8021q: adding VLAN 0 to HW filter on device bond0 [ 124.934008][ T5753] 8021q: adding VLAN 0 to HW filter on device team0 [ 124.950652][ T3357] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.950773][ T3357] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.993852][ T1199] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.993966][ T1199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 125.669134][ T5753] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 125.774966][ T5753] veth0_vlan: entered promiscuous mode [ 125.804537][ T5753] veth1_vlan: entered promiscuous mode [ 125.859163][ T5753] veth0_macvtap: entered promiscuous mode [ 125.877250][ T5753] veth1_macvtap: entered promiscuous mode [ 125.918226][ T5753] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 125.946566][ T5753] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 126.062661][ T1199] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.062712][ T1199] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.062745][ T1199] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.062775][ T1199] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.167233][ T45] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 126.167259][ T45] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 126.257392][ T3357] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 126.257417][ T3357] 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) [ 127.608175][ T45] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 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-build2005350977=/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='go1.26.0' 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/ccGcd4bg.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