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 '10.128.1.182' (ED25519) to the list of known hosts. 2026/04/25 13:04:40 parsed 1 programs [ 90.468656][ T5614] cgroup: Unknown subsys name 'net' [ 90.608394][ T5614] cgroup: Unknown subsys name 'cpuset' [ 90.618845][ T5614] cgroup: Unknown subsys name 'rlimit' [ 90.625102][ T5614] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 92.170598][ T5614] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 95.402341][ T48] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.417918][ T48] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.453091][ T143] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.466130][ T143] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.003637][ T5663] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.015397][ T5663] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.025051][ T5663] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.034183][ T5663] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.045859][ T5663] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.809182][ T5669] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.817196][ T5669] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.824659][ T5669] bridge_slave_0: entered allmulticast mode [ 97.832491][ T5669] bridge_slave_0: entered promiscuous mode [ 97.842194][ T5669] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.850857][ T5669] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.858736][ T5669] bridge_slave_1: entered allmulticast mode [ 97.866919][ T5669] bridge_slave_1: entered promiscuous mode [ 97.900389][ T5669] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.913278][ T5669] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.946995][ T5669] team0: Port device team_slave_0 added [ 97.956106][ T5669] team0: Port device team_slave_1 added [ 97.983024][ T5669] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.991457][ T5669] 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. [ 98.020101][ T5669] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.033479][ T5669] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.040973][ T5669] 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. [ 98.070229][ T5669] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.111703][ T5669] hsr_slave_0: entered promiscuous mode [ 98.119373][ T5669] hsr_slave_1: entered promiscuous mode [ 98.261984][ T5669] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.279397][ T5669] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 98.288575][ T5669] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.298605][ T5669] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 98.306900][ T5669] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.317742][ T5669] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 98.325905][ T5669] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.337612][ T5669] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 98.371749][ T5669] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.380424][ T5669] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.389655][ T5669] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.393622][ T9] cfg80211: failed to load regulatory.db [ 98.399483][ T5669] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.489173][ T5669] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.511074][ T48] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.520590][ T48] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.537926][ T5669] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.554170][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.562511][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.577698][ T143] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.585538][ T143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.890440][ T5669] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.943394][ T5669] veth0_vlan: entered promiscuous mode [ 98.957367][ T5669] veth1_vlan: entered promiscuous mode [ 98.990838][ T5669] veth0_macvtap: entered promiscuous mode [ 99.002219][ T5669] veth1_macvtap: entered promiscuous mode [ 99.023581][ T5669] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.039529][ T5669] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.056339][ T143] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.066446][ T143] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.077616][ T143] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.087788][ T143] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.233256][ T143] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.328006][ T143] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.415162][ T143] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.569574][ T143] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/25 13:04:53 executed programs: 0 [ 101.047949][ T5663] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 101.060479][ T5663] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 101.070303][ T5663] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 101.081775][ T5663] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 101.092638][ T5663] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 101.510398][ T5740] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.518233][ T5740] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.525788][ T5740] bridge_slave_0: entered allmulticast mode [ 101.533334][ T5740] bridge_slave_0: entered promiscuous mode [ 101.543817][ T5740] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.552429][ T5740] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.560685][ T5740] bridge_slave_1: entered allmulticast mode [ 101.568332][ T5740] bridge_slave_1: entered promiscuous mode [ 101.605224][ T5740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.618974][ T5740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.654090][ T5740] team0: Port device team_slave_0 added [ 101.663564][ T5740] team0: Port device team_slave_1 added [ 101.694734][ T5740] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.703123][ T5740] 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. [ 101.732900][ T5740] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.747697][ T5740] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.755611][ T5740] 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. [ 101.784848][ T5740] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.835435][ T5740] hsr_slave_0: entered promiscuous mode [ 101.842769][ T5740] hsr_slave_1: entered promiscuous mode [ 101.849398][ T5740] debugfs: 'hsr0' already exists in 'hsr' [ 101.855554][ T5740] Cannot create hsr debugfs directory [ 101.997098][ T143] bridge_slave_1: left allmulticast mode [ 102.003659][ T143] bridge_slave_1: left promiscuous mode [ 102.012287][ T143] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.025940][ T143] bridge_slave_0: left allmulticast mode [ 102.033755][ T143] bridge_slave_0: left promiscuous mode [ 102.040032][ T143] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.234780][ T143] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 102.248418][ T143] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 102.259870][ T143] bond0 (unregistering): Released all slaves [ 102.371408][ T143] hsr_slave_0: left promiscuous mode [ 102.377508][ T143] hsr_slave_1: left promiscuous mode [ 102.384125][ T143] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.392058][ T143] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.401751][ T143] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.410114][ T143] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.425804][ T143] veth1_macvtap: left promiscuous mode [ 102.431802][ T143] veth0_macvtap: left promiscuous mode [ 102.438598][ T143] veth1_vlan: left promiscuous mode [ 102.444507][ T143] veth0_vlan: left promiscuous mode [ 102.615332][ T143] team0 (unregistering): Port device team_slave_1 removed [ 102.629169][ T143] team0 (unregistering): Port device team_slave_0 removed [ 103.184067][ T5663] Bluetooth: hci0: command tx timeout [ 103.221116][ T5740] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.234598][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 103.245204][ T5740] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.262444][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 103.271720][ T5740] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.285324][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 103.295633][ T5740] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.306351][ T5740] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 103.840194][ T5740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.901827][ T5740] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.925255][ T1149] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.934412][ T1149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.980293][ T73] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.988046][ T73] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.051984][ T5740] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 104.066748][ T5740] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 104.471022][ T5740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.522320][ T5740] veth0_vlan: entered promiscuous mode [ 104.535114][ T5740] veth1_vlan: entered promiscuous mode [ 104.566981][ T5740] veth0_macvtap: entered promiscuous mode [ 104.577303][ T5740] veth1_macvtap: entered promiscuous mode [ 104.594247][ T5740] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.613518][ T5740] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.629716][ T48] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.640293][ T48] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.653697][ T48] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.664114][ T48] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.737748][ T1149] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.754684][ T1149] wlan0: 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) [ 104.789422][ T1149] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.799207][ T1149] 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-build274701948=/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 d6526ea3e6 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/ccI6NCUM.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