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 '10.128.0.216' (ED25519) to the list of known hosts. 2026/01/20 16:41:04 parsed 1 programs [ 68.772141][ T5729] cgroup: Unknown subsys name 'net' [ 68.900520][ T5729] cgroup: Unknown subsys name 'cpuset' [ 68.908867][ T5729] cgroup: Unknown subsys name 'rlimit' [ 68.914523][ T5729] cgroup: Unknown subsys name 'memory' Setting up swapspace version 1, size = 127995904 bytes [ 70.208361][ T5729] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.383033][ T1288] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.389532][ T1288] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.581186][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.589579][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.613832][ T4077] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.622871][ T4077] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.603997][ T5762] chnl_net:caif_netlink_parms(): no params data found [ 73.685397][ T5762] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.693179][ T5762] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.700774][ T5762] bridge_slave_0: entered allmulticast mode [ 73.718685][ T5762] bridge_slave_0: entered promiscuous mode [ 73.733654][ T5762] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.740846][ T5762] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.748043][ T5762] bridge_slave_1: entered allmulticast mode [ 73.754858][ T5762] bridge_slave_1: entered promiscuous mode [ 73.783801][ T5762] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.795171][ T5762] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.827266][ T5762] team0: Port device team_slave_0 added [ 73.836082][ T5762] team0: Port device team_slave_1 added [ 73.865193][ T5762] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.872236][ T5762] 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. [ 73.898445][ T5762] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.910944][ T5762] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.917950][ T5762] 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. [ 73.944220][ T5762] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.980694][ T5762] hsr_slave_0: entered promiscuous mode [ 73.986847][ T5762] hsr_slave_1: entered promiscuous mode [ 74.097683][ T5762] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.109814][ T5762] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.120211][ T5762] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.131340][ T5762] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.159029][ T5762] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.166164][ T5762] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.174154][ T5762] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.181247][ T5762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.226027][ T5762] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.241796][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.251650][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.265399][ T5762] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.279520][ T3386] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.286697][ T3386] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.302269][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.309421][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.424475][ T5762] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.464654][ T5762] veth0_vlan: entered promiscuous mode [ 74.476125][ T5762] veth1_vlan: entered promiscuous mode [ 74.499348][ T5762] veth0_macvtap: entered promiscuous mode [ 74.509464][ T5762] veth1_macvtap: entered promiscuous mode [ 74.526844][ T5762] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.540140][ T5762] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.552854][ T3386] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.563310][ T3386] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.573087][ T3386] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.586528][ T3386] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.704753][ T3386] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.769592][ T3386] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.854579][ T3386] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.925176][ T3386] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.978873][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.986893][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.995418][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.004349][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.012590][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/01/20 16:41:13 executed programs: 0 [ 76.499909][ T5051] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.508404][ T5051] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.516399][ T5051] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.526718][ T5051] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.534932][ T5051] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.657440][ T5838] chnl_net:caif_netlink_parms(): no params data found [ 76.725458][ T5838] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.732709][ T5838] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.740447][ T5838] bridge_slave_0: entered allmulticast mode [ 76.747803][ T5838] bridge_slave_0: entered promiscuous mode [ 76.755088][ T5838] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.762593][ T5838] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.770914][ T5838] bridge_slave_1: entered allmulticast mode [ 76.778103][ T5838] bridge_slave_1: entered promiscuous mode [ 76.802812][ T5838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.813839][ T5838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.841561][ T5838] team0: Port device team_slave_0 added [ 76.850210][ T5838] team0: Port device team_slave_1 added [ 76.873717][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.881101][ T5838] 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. [ 76.907203][ T5838] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.918931][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.925882][ T5838] 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. [ 76.952175][ T5838] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.989490][ T5838] hsr_slave_0: entered promiscuous mode [ 76.995666][ T5838] hsr_slave_1: entered promiscuous mode [ 77.001846][ T5838] debugfs: 'hsr0' already exists in 'hsr' [ 77.007686][ T5838] Cannot create hsr debugfs directory [ 77.342492][ T3386] bridge_slave_1: left allmulticast mode [ 77.350472][ T3386] bridge_slave_1: left promiscuous mode [ 77.356841][ T3386] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.379983][ T3386] bridge_slave_0: left allmulticast mode [ 77.385643][ T3386] bridge_slave_0: left promiscuous mode [ 77.392064][ T3386] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.707804][ T3386] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.720066][ T3386] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.731654][ T3386] bond0 (unregistering): Released all slaves [ 77.830281][ T3386] hsr_slave_0: left promiscuous mode [ 77.836367][ T3386] hsr_slave_1: left promiscuous mode [ 77.846230][ T3386] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.856887][ T3386] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.867507][ T3386] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.874923][ T3386] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.896194][ T3386] veth1_macvtap: left promiscuous mode [ 77.902343][ T3386] veth0_macvtap: left promiscuous mode [ 77.908793][ T3386] veth1_vlan: left promiscuous mode [ 77.914233][ T3386] veth0_vlan: left promiscuous mode [ 78.299784][ T3386] team0 (unregistering): Port device team_slave_1 removed [ 78.325363][ T3386] team0 (unregistering): Port device team_slave_0 removed [ 78.587936][ T5051] Bluetooth: hci0: command tx timeout [ 78.830766][ T5838] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.841530][ T5838] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.853445][ T5838] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.865180][ T5838] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.251890][ T5838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.273853][ T5838] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.287096][ T75] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.294250][ T75] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.331084][ T75] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.338221][ T75] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.774720][ T5838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.858417][ T5838] veth0_vlan: entered promiscuous mode [ 79.871953][ T5838] veth1_vlan: entered promiscuous mode [ 79.906665][ T5838] veth0_macvtap: entered promiscuous mode [ 79.916309][ T5838] veth1_macvtap: entered promiscuous mode [ 79.940647][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.969746][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.984089][ T4077] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.996286][ T4077] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.008903][ T4077] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.023848][ T4077] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.113505][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.124276][ T12] 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) [ 80.166199][ T4077] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.176930][ T4077] 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-build3876019263=/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 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/cccSYc0R.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