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 '10.128.1.200' (ED25519) to the list of known hosts. 2026/05/08 04:42:29 parsed 1 programs [ 35.042128][ T5624] cgroup: Unknown subsys name 'net' [ 35.087956][ T5624] cgroup: Unknown subsys name 'cpuset' [ 35.094392][ T5624] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 43.416014][ T5624] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 44.848886][ T5633] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 45.079569][ T5648] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.086781][ T5648] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.093877][ T5648] bridge_slave_0: entered allmulticast mode [ 45.100249][ T5648] bridge_slave_0: entered promiscuous mode [ 45.107196][ T5648] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.114569][ T5648] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.121772][ T5648] bridge_slave_1: entered allmulticast mode [ 45.127945][ T5648] bridge_slave_1: entered promiscuous mode [ 45.139328][ T5648] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.149286][ T5648] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.162515][ T5648] team0: Port device team_slave_0 added [ 45.168670][ T5648] team0: Port device team_slave_1 added [ 45.179029][ T5648] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.186084][ T5648] 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. [ 45.211955][ T5648] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.223337][ T5648] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.230486][ T5648] 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. [ 45.256844][ T5648] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.273394][ T5648] hsr_slave_0: entered promiscuous mode [ 45.279165][ T5648] hsr_slave_1: entered promiscuous mode [ 45.307071][ T5648] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.314969][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 45.322403][ T5648] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.330460][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 45.338319][ T5648] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.345798][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 45.353393][ T5648] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.361130][ T5648] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 45.372708][ T5648] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.380008][ T5648] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.387301][ T5648] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.394341][ T5648] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.410996][ T5648] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.420444][ T34] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.427976][ T34] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.437887][ T5648] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.446123][ T52] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.453371][ T52] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.462366][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.469439][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.537661][ T5648] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.551968][ T5648] veth0_vlan: entered promiscuous mode [ 45.558884][ T5648] veth1_vlan: entered promiscuous mode [ 45.569733][ T5648] veth0_macvtap: entered promiscuous mode [ 45.577529][ T5648] veth1_macvtap: entered promiscuous mode [ 45.586528][ T5648] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.596092][ T5648] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.605224][ T52] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.614006][ T52] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.623164][ T52] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.632185][ T52] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.711032][ T34] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.718994][ T34] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.729640][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.737926][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.829037][ T3430] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.869831][ T5713] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.877109][ T5713] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.884217][ T5713] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.891439][ T5713] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.898646][ T5713] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.909116][ T3430] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.959061][ T3430] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.988529][ T3430] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/05/08 04:42:42 executed programs: 0 [ 48.948492][ T3430] bridge_slave_1: left allmulticast mode [ 48.954266][ T3430] bridge_slave_1: left promiscuous mode [ 48.959923][ T3430] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.967611][ T3430] bridge_slave_0: left allmulticast mode [ 48.973268][ T3430] bridge_slave_0: left promiscuous mode [ 48.979389][ T3430] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.030856][ T3430] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.040253][ T3430] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.049323][ T3430] bond0 (unregistering): Released all slaves [ 49.125344][ T5276] 8021q: adding VLAN 0 to HW filter on device eth1 [ 49.198295][ T5276] 8021q: adding VLAN 0 to HW filter on device eth4 [ 49.210857][ T3430] hsr_slave_0: left promiscuous mode [ 49.216361][ T3430] hsr_slave_1: left promiscuous mode [ 49.222882][ T3430] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 49.230286][ T3430] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 49.237673][ T3430] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 49.245051][ T3430] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 49.253266][ T3430] veth1_macvtap: left promiscuous mode [ 49.258787][ T3430] veth0_macvtap: left promiscuous mode [ 49.264266][ T3430] veth1_vlan: left promiscuous mode [ 49.269715][ T3430] veth0_vlan: left promiscuous mode [ 49.293002][ T3430] team0 (unregistering): Port device team_slave_1 removed [ 49.300991][ T3430] team0 (unregistering): Port device team_slave_0 removed [ 49.384363][ T5276] 8021q: adding VLAN 0 to HW filter on device eth2 [ 49.454605][ T5276] 8021q: adding VLAN 0 to HW filter on device eth3 [ 52.133423][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.140570][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.148258][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.155517][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.163230][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.260392][ T5813] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.267702][ T5813] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.274864][ T5813] bridge_slave_0: entered allmulticast mode [ 52.281470][ T5813] bridge_slave_0: entered promiscuous mode [ 52.288100][ T5813] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.295201][ T5813] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.302454][ T5813] bridge_slave_1: entered allmulticast mode [ 52.308701][ T5813] bridge_slave_1: entered promiscuous mode [ 52.319885][ T5813] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.329937][ T5813] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.343680][ T5813] team0: Port device team_slave_0 added [ 52.349890][ T5813] team0: Port device team_slave_1 added [ 52.360229][ T5813] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.367311][ T5813] 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. [ 52.393407][ T5813] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.404626][ T5813] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.411742][ T5813] 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. [ 52.437633][ T5813] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.454660][ T5813] hsr_slave_0: entered promiscuous mode [ 52.460564][ T5813] hsr_slave_1: entered promiscuous mode [ 52.661255][ T5813] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.669653][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 52.678077][ T5813] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.685629][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 52.693150][ T5813] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.702339][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 52.710143][ T5813] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.717899][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 52.733883][ T5813] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.740999][ T5813] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.748403][ T5813] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.755584][ T5813] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.776298][ T5813] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.788081][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.795754][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.805098][ T5813] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.814336][ T34] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.821531][ T34] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.831249][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.838364][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.932960][ T5813] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.951436][ T5813] veth0_vlan: entered promiscuous mode [ 52.959537][ T5813] veth1_vlan: entered promiscuous mode [ 52.972981][ T5813] veth0_macvtap: entered promiscuous mode [ 52.982126][ T5813] veth1_macvtap: entered promiscuous mode [ 52.993676][ T5813] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.003368][ T5813] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.012956][ T34] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.022033][ T34] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.035344][ T34] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.050582][ T34] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.065722][ T34] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.076452][ T34] 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) [ 53.088788][ T34] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.096916][ T34] 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-build622661586=/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/ccqbZf2n.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