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 '10.128.0.230' (ED25519) to the list of known hosts. 2026/02/02 03:03:57 parsed 1 programs [ 186.304136][ T5789] cgroup: Unknown subsys name 'net' [ 186.489110][ T5789] cgroup: Unknown subsys name 'cpuset' [ 186.506858][ T5789] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 192.238932][ T5789] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 197.032146][ T5799] chnl_net:caif_netlink_parms(): no params data found [ 197.330011][ T5799] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.337457][ T5799] bridge0: port 1(bridge_slave_0) entered disabled state [ 197.347130][ T5799] bridge_slave_0: entered allmulticast mode [ 197.355564][ T5799] bridge_slave_0: entered promiscuous mode [ 197.370420][ T5799] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.377953][ T5799] bridge0: port 2(bridge_slave_1) entered disabled state [ 197.385984][ T5799] bridge_slave_1: entered allmulticast mode [ 197.394578][ T5799] bridge_slave_1: entered promiscuous mode [ 197.461656][ T5799] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 197.478969][ T5799] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 197.543325][ T5799] team0: Port device team_slave_0 added [ 197.557286][ T5799] team0: Port device team_slave_1 added [ 197.616323][ T5799] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 197.624730][ T5799] 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. [ 197.651442][ T5799] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 197.665950][ T5799] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 197.673467][ T5799] 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. [ 197.700312][ T5799] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 197.791699][ T5799] hsr_slave_0: entered promiscuous mode [ 197.801116][ T5799] hsr_slave_1: entered promiscuous mode [ 198.127300][ T5799] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 198.146343][ T5799] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 198.163393][ T5799] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 198.182077][ T5799] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 198.413116][ T5799] 8021q: adding VLAN 0 to HW filter on device bond0 [ 198.458826][ T5799] 8021q: adding VLAN 0 to HW filter on device team0 [ 198.482586][ T3496] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.490219][ T3496] bridge0: port 1(bridge_slave_0) entered forwarding state [ 198.520073][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.527375][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 198.967309][ T5799] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 199.085730][ T5799] veth0_vlan: entered promiscuous mode [ 199.111659][ T5799] veth1_vlan: entered promiscuous mode [ 199.191055][ T5799] veth0_macvtap: entered promiscuous mode [ 199.207933][ T5799] veth1_macvtap: entered promiscuous mode [ 199.254685][ T5799] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 199.286924][ T5799] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 199.315988][ T35] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 199.339793][ T35] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 199.356586][ T35] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 199.367457][ T35] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 200.586157][ T5799] 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. [ 200.820233][ T49] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 201.853869][ T49] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 202.138796][ T49] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 202.249709][ T49] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 202.784916][ T49] bridge_slave_1: left allmulticast mode [ 202.791425][ T49] bridge_slave_1: left promiscuous mode [ 202.798245][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.822152][ T49] bridge_slave_0: left allmulticast mode [ 202.828744][ T49] bridge_slave_0: left promiscuous mode [ 202.835567][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 203.277762][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 203.292723][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 203.306142][ T49] bond0 (unregistering): Released all slaves [ 203.532068][ T49] hsr_slave_0: left promiscuous mode [ 203.554855][ T49] hsr_slave_1: left promiscuous mode [ 203.570703][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 203.579252][ T49] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 203.592655][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 203.600836][ T49] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 203.697775][ T49] veth1_macvtap: left promiscuous mode [ 203.721206][ T49] veth0_macvtap: left promiscuous mode [ 203.730012][ T49] veth1_vlan: left promiscuous mode [ 203.735637][ T49] veth0_vlan: left promiscuous mode [ 204.434199][ T49] team0 (unregistering): Port device team_slave_1 removed [ 204.467521][ T49] team0 (unregistering): Port device team_slave_0 removed [ 209.195333][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 209.204128][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 209.308445][ T78] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 209.316551][ T78] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 212.337472][ T5967] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 212.349654][ T5967] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 212.358921][ T5967] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 212.378471][ T5967] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 212.390321][ T5967] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/02/02 03:04:39 executed programs: 0 [ 214.016674][ T5080] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 214.028855][ T5080] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 214.039355][ T5080] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 214.052796][ T5080] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 214.062891][ T5080] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 214.462846][ T5976] chnl_net:caif_netlink_parms(): no params data found [ 214.742468][ T5976] bridge0: port 1(bridge_slave_0) entered blocking state [ 214.749984][ T5976] bridge0: port 1(bridge_slave_0) entered disabled state [ 214.757833][ T5976] bridge_slave_0: entered allmulticast mode [ 214.771413][ T5976] bridge_slave_0: entered promiscuous mode [ 214.784059][ T5976] bridge0: port 2(bridge_slave_1) entered blocking state [ 214.792049][ T5976] bridge0: port 2(bridge_slave_1) entered disabled state [ 214.799847][ T5976] bridge_slave_1: entered allmulticast mode [ 214.807970][ T5976] bridge_slave_1: entered promiscuous mode [ 214.873244][ T5976] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 214.891609][ T5976] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 214.959657][ T5976] team0: Port device team_slave_0 added [ 214.972887][ T5976] team0: Port device team_slave_1 added [ 215.030447][ T5976] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 215.037711][ T5976] 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. [ 215.064233][ T5976] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 215.079177][ T5976] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 215.086330][ T5976] 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. [ 215.113132][ T5976] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 215.200559][ T5976] hsr_slave_0: entered promiscuous mode [ 215.209564][ T5976] hsr_slave_1: entered promiscuous mode [ 215.963051][ T5976] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 215.989385][ T5976] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 216.012907][ T5976] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 216.036429][ T5976] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 216.112211][ T5080] Bluetooth: hci0: command tx timeout [ 216.383895][ T5976] 8021q: adding VLAN 0 to HW filter on device bond0 [ 216.441227][ T5976] 8021q: adding VLAN 0 to HW filter on device team0 [ 216.471380][ T3496] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.479182][ T3496] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.515018][ T78] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.522685][ T78] bridge0: port 2(bridge_slave_1) entered forwarding state [ 217.160584][ T5976] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 217.332168][ T5976] veth0_vlan: entered promiscuous mode [ 217.363440][ T5976] veth1_vlan: entered promiscuous mode [ 217.490899][ T5976] veth0_macvtap: entered promiscuous mode [ 217.515706][ T5976] veth1_macvtap: entered promiscuous mode [ 217.580103][ T5976] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 217.625447][ T5976] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 217.675638][ T35] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.705742][ T35] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.729413][ T35] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.741059][ T35] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 218.188541][ T5080] Bluetooth: hci0: command tx timeout [ 219.749131][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 219.757221][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 219.827266][ T35] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 219.835596][ T35] 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) [ 220.422213][ T78] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.606056][ T78] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.760825][ T78] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.985655][ T78] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 221.358903][ T78] bridge_slave_1: left allmulticast mode [ 221.364931][ T78] bridge_slave_1: left promiscuous mode [ 221.371832][ T78] bridge0: port 2(bridge_slave_1) entered disabled state [ 221.451227][ T78] bridge_slave_0: left allmulticast mode [ 221.460063][ T78] bridge_slave_0: left promiscuous mode [ 221.466627][ T78] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.020238][ T78] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 222.052039][ T78] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 222.080344][ T78] bond0 (unregistering): Released all slaves [ 222.951400][ T78] hsr_slave_0: left promiscuous mode [ 222.970730][ T78] hsr_slave_1: left promiscuous mode [ 222.988610][ T78] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 222.996183][ T78] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 223.020954][ T78] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 223.033212][ T78] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 223.054747][ T78] veth1_macvtap: left promiscuous mode [ 223.063029][ T78] veth0_macvtap: left promiscuous mode [ 223.070233][ T78] veth1_vlan: left promiscuous mode [ 223.075762][ T78] veth0_vlan: left promiscuous mode 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-build4259734424=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/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/ccA29gfH.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