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 '10.128.1.154' (ED25519) to the list of known hosts. 2026/11/05 09:28:27 parsed 1 programs [ 84.107184][ T5648] cgroup: Unknown subsys name 'net' [ 84.219553][ T5648] cgroup: Unknown subsys name 'cpuset' [ 84.228683][ T5648] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 85.905033][ T5648] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 87.047466][ T994] cfg80211: failed to load regulatory.db [ 89.536482][ T5665] 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. [ 91.209269][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.209293][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.267067][ T5712] br_netfilter no longer supported in user namespaces [ 91.656165][ T125] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.656188][ T125] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.311305][ T5737] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.312509][ T5737] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.313086][ T5737] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.317224][ T5737] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.319205][ T5737] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.263369][ T5693] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.264178][ T5693] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.264325][ T5693] bridge_slave_0: entered allmulticast mode [ 93.277089][ T5693] bridge_slave_0: entered promiscuous mode [ 93.281726][ T5693] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.281896][ T5693] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.282026][ T5693] bridge_slave_1: entered allmulticast mode [ 93.283797][ T5693] bridge_slave_1: entered promiscuous mode [ 93.369107][ T5693] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.504777][ T5693] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.609744][ T5693] team0: Port device team_slave_0 added [ 93.613288][ T5693] team0: Port device team_slave_1 added [ 93.701569][ T5693] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.701589][ T5693] 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. [ 93.701614][ T5693] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.717668][ T5693] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.717686][ T5693] 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. [ 93.717708][ T5693] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.871102][ T5693] hsr_slave_0: entered promiscuous mode [ 93.874118][ T5693] hsr_slave_1: entered promiscuous mode [ 94.077321][ T5693] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 94.082412][ T5693] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 94.083567][ T5693] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 94.087284][ T5693] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 94.088692][ T5693] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 94.098532][ T5693] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 94.099492][ T5693] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 94.104523][ T5693] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 94.194778][ T5693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.220770][ T5693] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.234012][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.234113][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.245450][ T1008] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.245584][ T1008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.327537][ T55] Bluetooth: hci0: command tx timeout [ 94.597375][ T5693] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.637187][ T5693] veth0_vlan: entered promiscuous mode [ 94.643001][ T5693] veth1_vlan: entered promiscuous mode [ 94.680993][ T5693] veth0_macvtap: entered promiscuous mode [ 94.684270][ T5693] veth1_macvtap: entered promiscuous mode [ 94.708348][ T5693] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.714628][ T5693] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.796357][ T13] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.796408][ T13] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.796441][ T13] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.796472][ T13] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 2026/11/05 09:28:41 executed programs: 0 [ 94.946932][ T5737] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 94.952054][ T5737] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 94.953315][ T5737] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 94.961010][ T5737] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 94.961591][ T5737] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 95.622392][ T5786] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.622525][ T5786] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.622676][ T5786] bridge_slave_0: entered allmulticast mode [ 95.647338][ T5786] bridge_slave_0: entered promiscuous mode [ 95.657660][ T5786] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.657728][ T5786] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.658024][ T5786] bridge_slave_1: entered allmulticast mode [ 95.659415][ T5786] bridge_slave_1: entered promiscuous mode [ 95.717817][ T5786] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.720672][ T5786] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.758590][ T5786] team0: Port device team_slave_0 added [ 95.760507][ T5786] team0: Port device team_slave_1 added [ 95.792901][ T5786] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.792921][ T5786] 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. [ 95.792943][ T5786] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.795537][ T5786] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.795548][ T5786] 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. [ 95.795562][ T5786] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.893533][ T5786] hsr_slave_0: entered promiscuous mode [ 95.894226][ T5786] hsr_slave_1: entered promiscuous mode [ 95.894699][ T5786] debugfs: 'hsr0' already exists in 'hsr' [ 95.894712][ T5786] Cannot create hsr debugfs directory [ 96.049784][ T5786] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.053652][ T5786] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 96.054507][ T5786] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.058439][ T5786] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 96.060388][ T5786] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.067157][ T5786] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 96.068299][ T5786] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.074254][ T5786] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 96.171775][ T5786] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.199704][ T5786] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.204877][ T1008] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.204941][ T1008] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.235830][ T1008] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.235953][ T1008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.573845][ T5786] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.615453][ T5786] veth0_vlan: entered promiscuous mode [ 96.628511][ T5786] veth1_vlan: entered promiscuous mode [ 96.658767][ T5786] veth0_macvtap: entered promiscuous mode [ 96.662118][ T5786] veth1_macvtap: entered promiscuous mode [ 96.690624][ T5786] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.705279][ T5786] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.755829][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.756297][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.756545][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.756592][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.808703][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.808725][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.847300][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.847325][ T13] 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) [ 96.965941][ T5737] Bluetooth: hci1: command tx timeout [ 97.530204][ T481] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.769549][ T481] netdevsim netdevsim2 netdevsim2 (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-build2546634865=/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/cck012Rz.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