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 '10.128.0.224' (ED25519) to the list of known hosts. 2026/03/13 01:43:42 parsed 1 programs [ 74.145431][ T5831] cgroup: Unknown subsys name 'net' [ 74.321394][ T5831] cgroup: Unknown subsys name 'cpuset' [ 74.330387][ T5831] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 75.739735][ T5831] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 78.508326][ T5843] 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. [ 79.901551][ T5874] chnl_net:caif_netlink_parms(): no params data found [ 79.978342][ T5874] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.986740][ T5874] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.994624][ T5874] bridge_slave_0: entered allmulticast mode [ 80.002626][ T5874] bridge_slave_0: entered promiscuous mode [ 80.013077][ T5874] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.020686][ T5874] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.029107][ T5874] bridge_slave_1: entered allmulticast mode [ 80.036827][ T5874] bridge_slave_1: entered promiscuous mode [ 80.075733][ T5874] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.089049][ T5874] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.122026][ T5874] team0: Port device team_slave_0 added [ 80.130174][ T5874] team0: Port device team_slave_1 added [ 80.158385][ T5874] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.165362][ T5874] 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. [ 80.191447][ T5874] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.204338][ T5874] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.211381][ T5874] 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. [ 80.237427][ T5874] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.281958][ T5874] hsr_slave_0: entered promiscuous mode [ 80.289207][ T5874] hsr_slave_1: entered promiscuous mode [ 80.438871][ T5874] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.452402][ T5874] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.463440][ T5874] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.473848][ T5874] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.569112][ T5874] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.599306][ T5874] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.614915][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.622583][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.641881][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.649040][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.824907][ T5874] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.883637][ T5874] veth0_vlan: entered promiscuous mode [ 80.899106][ T5874] veth1_vlan: entered promiscuous mode [ 80.936646][ T5874] veth0_macvtap: entered promiscuous mode [ 80.950298][ T5874] veth1_macvtap: entered promiscuous mode [ 80.975248][ T5874] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.995813][ T5874] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.014038][ T95] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.025247][ T95] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.037030][ T95] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.046121][ T95] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.198445][ T333] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.297063][ T333] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.380850][ T333] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.488013][ T333] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.035881][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.058501][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.106818][ T95] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.127811][ T95] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.316779][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.325549][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.333723][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.343631][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.351542][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/03/13 01:43:53 executed programs: 0 [ 83.423223][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.440040][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.448577][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.458954][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.469918][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 83.509411][ T333] bridge_slave_1: left allmulticast mode [ 83.515874][ T333] bridge_slave_1: left promiscuous mode [ 83.522745][ T333] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.534162][ T333] bridge_slave_0: left allmulticast mode [ 83.540173][ T333] bridge_slave_0: left promiscuous mode [ 83.546238][ T333] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.697528][ T333] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 83.708782][ T333] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 83.718714][ T333] bond0 (unregistering): Released all slaves [ 83.845384][ T333] hsr_slave_0: left promiscuous mode [ 83.852427][ T333] hsr_slave_1: left promiscuous mode [ 83.859934][ T333] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 83.867750][ T333] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 83.878771][ T333] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 83.886218][ T333] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 83.904472][ T333] veth1_macvtap: left promiscuous mode [ 83.911739][ T333] veth0_macvtap: left promiscuous mode [ 83.917806][ T333] veth1_vlan: left promiscuous mode [ 83.923189][ T333] veth0_vlan: left promiscuous mode [ 84.211191][ T333] team0 (unregistering): Port device team_slave_1 removed [ 84.230975][ T333] team0 (unregistering): Port device team_slave_0 removed [ 84.521385][ T5940] chnl_net:caif_netlink_parms(): no params data found [ 84.794752][ T5940] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.803567][ T5940] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.815258][ T5940] bridge_slave_0: entered allmulticast mode [ 84.826798][ T5940] bridge_slave_0: entered promiscuous mode [ 84.846594][ T5940] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.854075][ T5940] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.862301][ T5940] bridge_slave_1: entered allmulticast mode [ 84.870738][ T5940] bridge_slave_1: entered promiscuous mode [ 85.149275][ T5940] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.168514][ T5940] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.232609][ T5940] team0: Port device team_slave_0 added [ 85.242408][ T5940] team0: Port device team_slave_1 added [ 85.329257][ T5940] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.336249][ T5940] 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. [ 85.363017][ T5940] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.493699][ T5940] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.501638][ T5940] 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. [ 85.529518][ T5940] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.541290][ T51] Bluetooth: hci0: command tx timeout [ 85.649117][ T5940] hsr_slave_0: entered promiscuous mode [ 85.656527][ T5940] hsr_slave_1: entered promiscuous mode [ 86.360195][ T5940] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.374936][ T5940] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.388482][ T5940] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.403819][ T5940] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.542794][ T5940] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.574855][ T5940] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.598020][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.605234][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.626039][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.633277][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.749358][ T9] cfg80211: failed to load regulatory.db [ 86.946807][ T5940] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.031138][ T5940] veth0_vlan: entered promiscuous mode [ 87.051950][ T5940] veth1_vlan: entered promiscuous mode [ 87.111279][ T5940] veth0_macvtap: entered promiscuous mode [ 87.124318][ T5940] veth1_macvtap: entered promiscuous mode [ 87.160639][ T5940] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.183856][ T5940] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.208659][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.229964][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.254685][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.287739][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.363854][ T95] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.390158][ T95] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.438869][ T95] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.450449][ T95] 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) [ 87.619013][ T51] Bluetooth: hci0: command tx timeout 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-build3893589259=/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='go1.26.0' 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/ccbu1zyl.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