SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 104.550776][ T1836] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.83' (ED25519) to the list of known hosts. 2026/09/28 03:36:44 parsed 1 programs [ 112.192895][ T5628] cgroup: Unknown subsys name 'net' [ 112.304425][ T5628] cgroup: Unknown subsys name 'cpuset' [ 112.315866][ T5628] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 114.224866][ T5628] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 118.982245][ T5643] 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. [ 119.920680][ T55] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 119.922926][ T55] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 119.923524][ T55] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 119.925606][ T55] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 119.926348][ T55] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 120.581194][ T5640] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.581324][ T5640] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.581484][ T5640] bridge_slave_0: entered allmulticast mode [ 120.589032][ T5640] bridge_slave_0: entered promiscuous mode [ 120.685670][ T5640] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.686495][ T5640] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.686690][ T5640] bridge_slave_1: entered allmulticast mode [ 120.694098][ T5640] bridge_slave_1: entered promiscuous mode [ 120.771685][ T5640] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 120.866408][ T5640] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 121.023976][ T5640] team0: Port device team_slave_0 added [ 121.055376][ T5640] team0: Port device team_slave_1 added [ 121.534739][ T5640] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 121.534760][ T5640] 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. [ 121.534789][ T5640] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 121.824805][ T5640] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 121.824826][ T5640] 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. [ 121.824855][ T5640] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 122.391516][ T5640] hsr_slave_0: entered promiscuous mode [ 122.392634][ T5640] hsr_slave_1: entered promiscuous mode [ 122.820450][ T152] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.820476][ T152] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.458191][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.458216][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 125.157619][ T5640] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 125.197301][ T5640] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 125.215505][ T5640] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 125.248161][ T5640] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 125.261059][ T5640] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 125.267770][ T5640] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 125.300102][ T5640] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 125.330715][ T5640] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 125.793812][ T5640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 125.934932][ T5640] 8021q: adding VLAN 0 to HW filter on device team0 [ 126.003019][ T146] bridge0: port 1(bridge_slave_0) entered blocking state [ 126.003235][ T146] bridge0: port 1(bridge_slave_0) entered forwarding state [ 126.040987][ T146] bridge0: port 2(bridge_slave_1) entered blocking state [ 126.041103][ T146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 126.908068][ T5640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 127.023717][ T5640] veth0_vlan: entered promiscuous mode [ 127.046577][ T5640] veth1_vlan: entered promiscuous mode [ 127.108238][ T5640] veth0_macvtap: entered promiscuous mode [ 127.125359][ T5640] veth1_macvtap: entered promiscuous mode [ 127.157192][ T5640] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 127.187440][ T5640] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 127.261436][ T146] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 127.343966][ T14] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 127.344018][ T14] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 127.351795][ T146] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/09/28 03:37:04 executed programs: 0 [ 127.722656][ T55] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 127.728921][ T55] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 127.761066][ T55] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 127.770182][ T55] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 127.773025][ T55] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 128.868441][ T5762] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.872379][ T5762] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.872752][ T5762] bridge_slave_0: entered allmulticast mode [ 128.876126][ T5762] bridge_slave_0: entered promiscuous mode [ 128.892184][ T5762] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.892437][ T5762] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.893013][ T5762] bridge_slave_1: entered allmulticast mode [ 128.904390][ T5762] bridge_slave_1: entered promiscuous mode [ 129.007585][ T5762] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 129.033436][ T5762] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 129.088189][ T5762] team0: Port device team_slave_0 added [ 129.099715][ T5762] team0: Port device team_slave_1 added [ 129.163287][ T5762] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 129.163305][ 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. [ 129.163328][ T5762] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 129.165426][ T5762] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 129.165444][ 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. [ 129.165481][ T5762] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 129.333848][ T5762] hsr_slave_0: entered promiscuous mode [ 129.334805][ T5762] hsr_slave_1: entered promiscuous mode [ 129.335613][ T5762] debugfs: 'hsr0' already exists in 'hsr' [ 129.335725][ T5762] Cannot create hsr debugfs directory [ 129.647200][ T5762] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 129.659590][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 129.660718][ T5762] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 129.666356][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 129.667634][ T5762] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 129.701271][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 129.716846][ T5762] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 129.745076][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 129.831147][ T4926] Bluetooth: hci0: command tx timeout [ 129.960564][ T5762] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.016581][ T5762] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.033680][ T146] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.033760][ T146] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.073891][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.074013][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.697539][ T5762] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 130.777132][ T5762] veth0_vlan: entered promiscuous mode [ 130.803974][ T5762] veth1_vlan: entered promiscuous mode [ 130.884367][ T5762] veth0_macvtap: entered promiscuous mode [ 130.909373][ T5762] veth1_macvtap: entered promiscuous mode [ 130.945199][ T5762] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 130.976664][ T5762] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 131.042058][ T146] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.071837][ T146] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.099831][ T152] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.101767][ T156] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.201325][ T156] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 131.201349][ T156] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 131.258349][ T156] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 131.258373][ T156] 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) [ 132.215125][ T146] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 132.393814][ T146] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 132.490706][ T146] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 132.579635][ T146] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 132.876880][ T146] bridge_slave_1: left allmulticast mode [ 132.876939][ T146] bridge_slave_1: left promiscuous mode [ 132.880544][ T146] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.948332][ T146] bridge_slave_0: left allmulticast mode [ 132.948364][ T146] bridge_slave_0: left promiscuous mode [ 132.959388][ T146] bridge0: port 1(bridge_slave_0) entered disabled state 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-build3982787071=/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/ccHjtt08.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