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 '10.128.1.5' (ED25519) to the list of known hosts. 2026/07/17 04:40:13 parsed 1 programs [ 92.148944][ T24] cfg80211: failed to load regulatory.db [ 93.317714][ T5613] cgroup: Unknown subsys name 'net' [ 93.428400][ T5613] cgroup: Unknown subsys name 'cpuset' [ 93.439838][ T5613] cgroup: Unknown subsys name 'rlimit' [ 93.445834][ T5613] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 95.085177][ T5613] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 98.845226][ T5653] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.856325][ T5653] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.865051][ T5653] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.878824][ T5653] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.888603][ T5653] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 101.492132][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.525583][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.595531][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.626708][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.900033][ T5651] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.909567][ T5651] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.918056][ T5651] bridge_slave_0: entered allmulticast mode [ 101.930815][ T5651] bridge_slave_0: entered promiscuous mode [ 101.947271][ T5651] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.957245][ T5651] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.965851][ T5651] bridge_slave_1: entered allmulticast mode [ 101.974456][ T5651] bridge_slave_1: entered promiscuous mode [ 102.038171][ T5651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.052187][ T5651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.110715][ T5651] team0: Port device team_slave_0 added [ 102.120101][ T5651] team0: Port device team_slave_1 added [ 102.178224][ T5651] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.186484][ T5651] 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. [ 102.213776][ T5651] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.228972][ T5651] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.236527][ T5651] 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. [ 102.264230][ T5651] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.319636][ T5651] hsr_slave_0: entered promiscuous mode [ 102.326581][ T5651] hsr_slave_1: entered promiscuous mode [ 102.497682][ T5651] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 102.514315][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 102.524009][ T5651] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 102.536497][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 102.546233][ T5651] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 102.558012][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 102.566402][ T5651] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 102.578308][ T5651] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 102.669760][ T5651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.698869][ T5651] 8021q: adding VLAN 0 to HW filter on device team0 [ 102.715870][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.723881][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.745150][ T3318] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.752516][ T3318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.132549][ T5651] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.357598][ T5651] veth0_vlan: entered promiscuous mode [ 103.373496][ T5651] veth1_vlan: entered promiscuous mode [ 103.408967][ T5651] veth0_macvtap: entered promiscuous mode [ 103.420968][ T5651] veth1_macvtap: entered promiscuous mode [ 103.444986][ T5651] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.462244][ T5651] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.480072][ T80] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.491238][ T80] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.501698][ T80] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.515294][ T80] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/07/17 04:40:27 executed programs: 0 [ 103.677768][ T5653] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.688385][ T5653] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.698489][ T5653] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.709893][ T5653] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.719539][ T5653] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.430944][ T5741] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.438381][ T5741] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.445789][ T5741] bridge_slave_0: entered allmulticast mode [ 104.453819][ T5741] bridge_slave_0: entered promiscuous mode [ 104.462785][ T5741] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.470361][ T5741] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.478579][ T5741] bridge_slave_1: entered allmulticast mode [ 104.487045][ T5741] bridge_slave_1: entered promiscuous mode [ 104.531068][ T5741] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.544196][ T5741] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.585621][ T5741] team0: Port device team_slave_0 added [ 104.593929][ T5741] team0: Port device team_slave_1 added [ 104.631974][ T5741] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.639247][ T5741] 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. [ 104.665773][ T5741] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.679702][ T5741] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.687202][ T5741] 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. [ 104.714900][ T5741] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 104.769936][ T5741] hsr_slave_0: entered promiscuous mode [ 104.777607][ T5741] hsr_slave_1: entered promiscuous mode [ 104.784651][ T5741] debugfs: 'hsr0' already exists in 'hsr' [ 104.791923][ T5741] Cannot create hsr debugfs directory [ 104.974729][ T5741] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 104.985446][ T5741] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 104.993936][ T5741] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.005774][ T5741] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 105.014561][ T5741] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.027922][ T5741] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 105.037857][ T5741] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.050183][ T5741] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 105.140157][ T5741] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.164117][ T5741] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.179684][ T3288] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.186895][ T3288] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.203702][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.211437][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.602355][ T5741] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.657849][ T5741] veth0_vlan: entered promiscuous mode [ 105.675800][ T5741] veth1_vlan: entered promiscuous mode [ 105.706073][ T5741] veth0_macvtap: entered promiscuous mode [ 105.716500][ T5741] veth1_macvtap: entered promiscuous mode [ 105.737185][ T5741] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.746779][ T50] Bluetooth: hci0: command tx timeout [ 105.764585][ T5741] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.781366][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.791332][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.808082][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.818328][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.889390][ T48] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.899687][ T48] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.941974][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.950619][ T12] 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) [ 106.159654][ T5651] syz-executor (5651) used greatest stack depth: 19456 bytes left [ 106.646204][ T12] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.774935][ T12] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.886249][ T12] netdevsim netdevsim4 netdevsim1 (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-build3226470012=/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/ccAEtQao.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