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 '10.128.1.250' (ED25519) to the list of known hosts. 2025/11/21 02:12:58 parsed 1 programs [ 43.888359][ T5813] cgroup: Unknown subsys name 'net' [ 43.998480][ T5813] cgroup: Unknown subsys name 'cpuset' [ 44.005037][ T5813] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 52.571188][ T5813] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 54.060025][ T5822] 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. [ 54.488391][ T5857] chnl_net:caif_netlink_parms(): no params data found [ 54.509474][ T5857] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.516551][ T5857] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.523676][ T5857] bridge_slave_0: entered allmulticast mode [ 54.530262][ T5857] bridge_slave_0: entered promiscuous mode [ 54.536748][ T5857] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.544023][ T5857] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.551335][ T5857] bridge_slave_1: entered allmulticast mode [ 54.557865][ T5857] bridge_slave_1: entered promiscuous mode [ 54.569280][ T5857] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.579397][ T5857] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.594263][ T5857] team0: Port device team_slave_0 added [ 54.600658][ T5857] team0: Port device team_slave_1 added [ 54.610928][ T5857] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.618040][ T5857] 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. [ 54.644408][ T5857] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.655578][ T5857] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.662563][ T5857] 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. [ 54.688482][ T5857] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.708469][ T5857] hsr_slave_0: entered promiscuous mode [ 54.714316][ T5857] hsr_slave_1: entered promiscuous mode [ 54.744443][ T5857] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.752191][ T5857] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.760802][ T5857] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.768579][ T5857] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.780723][ T5857] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.787809][ T5857] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.795125][ T5857] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.802223][ T5857] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.820133][ T5857] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.830574][ T5857] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.839013][ T1140] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.846486][ T1140] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.856595][ T963] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.863787][ T963] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.879703][ T5857] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.890172][ T5857] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.902050][ T963] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.909213][ T963] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.946146][ T5857] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.961658][ T5857] veth0_vlan: entered promiscuous mode [ 54.969001][ T5857] veth1_vlan: entered promiscuous mode [ 54.980257][ T5857] veth0_macvtap: entered promiscuous mode [ 54.987071][ T5857] veth1_macvtap: entered promiscuous mode [ 54.996621][ T5857] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.005891][ T5857] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.014967][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.023937][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.033652][ T963] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.042495][ T963] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.073892][ T963] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.079530][ T5133] status: 1, result: 0, skb: ffff8881096d8d00, hci_req_sync_run [ 55.092713][ T5881] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.099745][ T5133] err: 0, status: 0, result: 0, skb: ffff8881096d8400, __hci_cmd_sync_sk [ 55.108270][ T5133] status: 1, result: 0, skb: ffff8881096d8400, hci_req_sync_run [ 55.116623][ T5881] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.123986][ T5133] err: 0, status: 0, result: 0, skb: ffff88810b665b00, __hci_cmd_sync_sk [ 55.132666][ T5133] status: 1, result: 0, skb: ffff8881096d8400, hci_req_sync_run [ 55.140570][ T5881] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.147706][ T5133] err: 0, status: 0, result: 0, skb: ffff8881096d8c00, __hci_cmd_sync_sk [ 55.148040][ T963] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.156450][ T5133] status: 1, result: 0, skb: ffff88810b665600, hci_req_sync_run [ 55.174919][ T5133] err: 0, status: 0, result: 0, skb: ffff8881096d8300, __hci_cmd_sync_sk [ 55.183427][ T5133] status: 1, result: 0, skb: ffff88810b665f00, hci_req_sync_run [ 55.191574][ T5133] err: 0, status: 0, result: 0, skb: ffff8881096d8600, __hci_cmd_sync_sk [ 55.200321][ T5133] status: 1, result: 0, skb: ffff8881096d8600, hci_req_sync_run [ 55.208489][ T5881] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.215495][ T5133] err: 0, status: 0, result: 0, skb: ffff8881096d8c00, __hci_cmd_sync_sk [ 55.224042][ T5133] status: 1, result: 0, skb: ffff8881096d8c00, hci_req_sync_run [ 55.224309][ T963] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.242574][ T5133] err: 0, status: 0, result: 0, skb: ffff88810b665b00, __hci_cmd_sync_sk [ 55.251372][ T5133] status: 1, result: 0, skb: ffff88810b665b00, hci_req_sync_run [ 55.259297][ T5881] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.266291][ T5133] err: 0, status: 0, result: 0, skb: ffff88810b665600, __hci_cmd_sync_sk [ 55.274851][ T5133] status: 1, result: 0, skb: ffff8881096d8900, hci_req_sync_run [ 55.282869][ T5133] err: 0, status: 0, result: 0, skb: ffff88810b665800, __hci_cmd_sync_sk [ 55.291445][ T5133] status: 1, result: 0, skb: ffff8881096d8400, hci_req_sync_run [ 55.299616][ T5133] err: 0, status: 0, result: 0, skb: ffff88810b665e00, __hci_cmd_sync_sk [ 55.308388][ T5879] status: 1, result: 0, skb: ffff88810b665e00, hci_req_sync_run [ 55.308680][ T963] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 55.316426][ T5879] err: 0, status: 0, result: 0, skb: ffff88810b665c00, __hci_cmd_sync_sk [ 55.471749][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.482577][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.492949][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.500995][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/11/21 02:13:12 executed programs: 0 [ 58.484071][ T963] bridge_slave_1: left allmulticast mode [ 58.490260][ T963] bridge_slave_1: left promiscuous mode [ 58.495913][ T963] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.503645][ T963] bridge_slave_0: left allmulticast mode [ 58.509735][ T963] bridge_slave_0: left promiscuous mode [ 58.515477][ T963] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.570565][ T963] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 58.580440][ T963] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 58.589654][ T963] bond0 (unregistering): Released all slaves [ 58.679635][ T963] hsr_slave_0: left promiscuous mode [ 58.685086][ T963] hsr_slave_1: left promiscuous mode [ 58.690722][ T963] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 58.698155][ T963] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 58.705568][ T963] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 58.713414][ T963] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 58.722265][ T963] veth1_macvtap: left promiscuous mode [ 58.727853][ T963] veth0_macvtap: left promiscuous mode [ 58.733590][ T963] veth1_vlan: left promiscuous mode [ 58.738984][ T963] veth0_vlan: left promiscuous mode [ 58.766479][ T963] team0 (unregistering): Port device team_slave_1 removed [ 58.775081][ T963] team0 (unregistering): Port device team_slave_0 removed [ 61.612519][ T5881] status: 1, result: 0, skb: ffff88810b665300, hci_req_sync_run [ 61.620398][ T5133] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.627387][ T5881] err: 0, status: 0, result: 0, skb: ffff88810c2cc400, __hci_cmd_sync_sk [ 61.635853][ T5881] status: 1, result: 0, skb: ffff88810b665100, hci_req_sync_run [ 61.643705][ T5133] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.650762][ T5881] err: 0, status: 0, result: 0, skb: ffff88810c2cc400, __hci_cmd_sync_sk [ 61.659428][ T5881] status: 1, result: 0, skb: ffff88810b665000, hci_req_sync_run [ 61.667360][ T5133] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.674379][ T5881] err: 0, status: 0, result: 0, skb: ffff88810c2cc600, __hci_cmd_sync_sk [ 61.682854][ T5881] status: 1, result: 0, skb: ffff88810b665900, hci_req_sync_run [ 61.690701][ T5881] err: 0, status: 0, result: 0, skb: ffff88810b665000, __hci_cmd_sync_sk [ 61.699176][ T5881] status: 1, result: 0, skb: ffff88810c2cc300, hci_req_sync_run [ 61.707050][ T5881] err: 0, status: 0, result: 0, skb: ffff88810b665100, __hci_cmd_sync_sk [ 61.715684][ T5881] status: 1, result: 0, skb: ffff88810c2ccf00, hci_req_sync_run [ 61.723809][ T5133] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.730976][ T5881] err: 0, status: 0, result: 0, skb: ffff88810b665700, __hci_cmd_sync_sk [ 61.739518][ T5881] status: 1, result: 0, skb: ffff88810b665700, hci_req_sync_run [ 61.747387][ T5881] err: 0, status: 0, result: 0, skb: ffff88810b665c00, __hci_cmd_sync_sk [ 61.756040][ T5881] status: 1, result: 0, skb: ffff88810b665c00, hci_req_sync_run [ 61.763760][ T5133] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.770775][ T5881] err: 0, status: 0, result: 0, skb: ffff88810b665300, __hci_cmd_sync_sk [ 61.779318][ T5881] status: 1, result: 0, skb: ffff88810c2cc500, hci_req_sync_run [ 61.787324][ T5881] err: 0, status: 0, result: 0, skb: ffff88810b665500, __hci_cmd_sync_sk [ 61.795790][ T5881] status: 1, result: 0, skb: ffff88810b665500, hci_req_sync_run [ 61.803688][ T5881] err: 0, status: 0, result: 0, skb: ffff88810b665700, __hci_cmd_sync_sk [ 61.812416][ T5984] status: 1, result: 0, skb: ffff88810c2cca00, hci_req_sync_run [ 61.820325][ T5984] err: 0, status: 0, result: 0, skb: ffff88810b665c00, __hci_cmd_sync_sk [ 61.859290][ T5984] chnl_net:caif_netlink_parms(): no params data found [ 61.878670][ T5984] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.885774][ T5984] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.892945][ T5984] bridge_slave_0: entered allmulticast mode [ 61.899197][ T5984] bridge_slave_0: entered promiscuous mode [ 61.905544][ T5984] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.912766][ T5984] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.919996][ T5984] bridge_slave_1: entered allmulticast mode [ 61.926246][ T5984] bridge_slave_1: entered promiscuous mode [ 61.937375][ T5984] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.947329][ T5984] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.960948][ T5984] team0: Port device team_slave_0 added [ 61.967027][ T5984] team0: Port device team_slave_1 added [ 61.976764][ T5984] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.983799][ T5984] 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. [ 62.009932][ T5984] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.021051][ T5984] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.028128][ T5984] 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. [ 62.054130][ T5984] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.071263][ T5984] hsr_slave_0: entered promiscuous mode [ 62.077016][ T5984] hsr_slave_1: entered promiscuous mode [ 62.271932][ T5984] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.280361][ T5984] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.288477][ T5984] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.296339][ T5984] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.311184][ T5984] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.318287][ T5984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.325560][ T5984] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.332651][ T5984] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.355503][ T5984] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.366090][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.374243][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.384604][ T5984] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.393780][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.400982][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.418689][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.425883][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.480242][ T5984] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.500226][ T5984] veth0_vlan: entered promiscuous mode [ 62.508283][ T5984] veth1_vlan: entered promiscuous mode [ 62.522303][ T5984] veth0_macvtap: entered promiscuous mode [ 62.529936][ T5984] veth1_macvtap: entered promiscuous mode [ 62.540982][ T5984] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.551573][ T5984] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.561530][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.570414][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.579387][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.588536][ T963] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.615632][ T58] wlan0: Created IBSS using preconfigured 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) [ 62.628006][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.640413][ T963] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.649321][ T963] 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-build3389552490=/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 07e030dea 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=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" ./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=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" -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=\"07e030dea6e6d9ca88b75bb3be2810f47083b328\" /usr/bin/ld: /tmp/ccx4Jar1.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): 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