SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. 2026/01/21 19:28:49 parsed 1 programs [ 71.339877][ T30] audit: type=1400 audit(1769023729.709:62): avc: denied { node_bind } for pid=5807 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 73.563587][ T30] audit: type=1400 audit(1769023731.929:63): avc: denied { mounton } for pid=5816 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 73.587182][ T30] audit: type=1400 audit(1769023731.959:64): avc: denied { mount } for pid=5816 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 73.590438][ T5816] cgroup: Unknown subsys name 'net' [ 73.618781][ T30] audit: type=1400 audit(1769023731.989:65): avc: denied { unmount } for pid=5816 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 73.759115][ T5816] cgroup: Unknown subsys name 'cpuset' [ 73.767506][ T5816] cgroup: Unknown subsys name 'rlimit' [ 73.921774][ T30] audit: type=1400 audit(1769023732.289:66): avc: denied { setattr } for pid=5816 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=820 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 73.957399][ T30] audit: type=1400 audit(1769023732.289:67): avc: denied { create } for pid=5816 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 73.997035][ T30] audit: type=1400 audit(1769023732.289:68): avc: denied { write } for pid=5816 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 74.018054][ T30] audit: type=1400 audit(1769023732.289:69): avc: denied { read } for pid=5816 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 74.020467][ T5818] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 74.038576][ T30] audit: type=1400 audit(1769023732.299:70): avc: denied { mounton } for pid=5816 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 74.071984][ T30] audit: type=1400 audit(1769023732.299:71): avc: denied { mount } for pid=5816 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 75.027540][ T5816] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 77.035760][ T30] kauditd_printk_skb: 4 callbacks suppressed [ 77.035777][ T30] audit: type=1400 audit(1769023735.389:76): avc: denied { execmem } for pid=5827 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 77.115776][ T30] audit: type=1400 audit(1769023735.469:77): avc: denied { read } for pid=5832 comm="syz-executor" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 77.197863][ T30] audit: type=1400 audit(1769023735.469:78): avc: denied { open } for pid=5832 comm="syz-executor" path="net:[4026531833]" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 77.256106][ T30] audit: type=1400 audit(1769023735.469:79): avc: denied { mounton } for pid=5832 comm="syz-executor" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 77.376461][ T30] audit: type=1400 audit(1769023735.749:80): avc: denied { mounton } for pid=5832 comm="syz-executor" path="/root/syzkaller.ODDuwd/syz-tmp" dev="sda1" ino=2042 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 77.426222][ T30] audit: type=1400 audit(1769023735.769:81): avc: denied { mount } for pid=5832 comm="syz-executor" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 77.455015][ T30] audit: type=1400 audit(1769023735.769:82): avc: denied { mounton } for pid=5832 comm="syz-executor" path="/root/syzkaller.ODDuwd/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 77.480585][ T30] audit: type=1400 audit(1769023735.769:83): avc: denied { mount } for pid=5832 comm="syz-executor" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 77.502555][ T30] audit: type=1400 audit(1769023735.779:84): avc: denied { mounton } for pid=5832 comm="syz-executor" path="/root/syzkaller.ODDuwd/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 77.530216][ T30] audit: type=1400 audit(1769023735.779:85): avc: denied { mounton } for pid=5832 comm="syz-executor" path="/root/syzkaller.ODDuwd/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=4768 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 77.582717][ T5832] 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. [ 78.317095][ T5137] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.335937][ T5137] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.343994][ T5137] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.352415][ T5137] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.359995][ T5137] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.466468][ T60] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.475648][ T60] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.626085][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.633927][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.241478][ T5888] chnl_net:caif_netlink_parms(): no params data found [ 80.459107][ T5888] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.470259][ T5888] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.477785][ T5888] bridge_slave_0: entered allmulticast mode [ 80.484650][ T5888] bridge_slave_0: entered promiscuous mode [ 80.494287][ T5888] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.501686][ T5888] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.509461][ T5888] bridge_slave_1: entered allmulticast mode [ 80.516827][ T5888] bridge_slave_1: entered promiscuous mode [ 80.549445][ T5888] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.562530][ T5888] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.602734][ T5888] team0: Port device team_slave_0 added [ 80.611369][ T5888] team0: Port device team_slave_1 added [ 80.637661][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.644602][ T5888] 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. [ 80.670855][ T5888] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.685512][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.692580][ T5888] 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. [ 80.719042][ T5888] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.754334][ T5888] hsr_slave_0: entered promiscuous mode [ 80.760681][ T5888] hsr_slave_1: entered promiscuous mode [ 80.873414][ T5888] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 80.885521][ T5888] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 80.895484][ T5888] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 80.905604][ T5888] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 80.931341][ T5888] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.938615][ T5888] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.947289][ T5888] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.954444][ T5888] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.998830][ T5888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.015302][ T60] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.024604][ T60] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.041085][ T5888] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.052143][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.059263][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.071460][ T60] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.078564][ T60] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.211172][ T5888] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.248210][ T5888] veth0_vlan: entered promiscuous mode [ 81.259263][ T5888] veth1_vlan: entered promiscuous mode [ 81.283687][ T5888] veth0_macvtap: entered promiscuous mode [ 81.292476][ T5888] veth1_macvtap: entered promiscuous mode [ 81.308568][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.321101][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.336539][ T60] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.348097][ T60] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.357060][ T60] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.367258][ T60] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/01/21 19:28:59 executed programs: 0 [ 81.507631][ T90] cfg80211: failed to load regulatory.db [ 81.536157][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.544946][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.553349][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.564963][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.584394][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.880379][ T5930] chnl_net:caif_netlink_parms(): no params data found [ 81.938870][ T5930] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.946021][ T5930] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.953134][ T5930] bridge_slave_0: entered allmulticast mode [ 81.960371][ T5930] bridge_slave_0: entered promiscuous mode [ 81.969459][ T5930] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.976697][ T5930] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.983848][ T5930] bridge_slave_1: entered allmulticast mode [ 81.991570][ T5930] bridge_slave_1: entered promiscuous mode [ 82.025152][ T5930] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.037968][ T5930] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.063977][ T5930] team0: Port device team_slave_0 added [ 82.073260][ T5930] team0: Port device team_slave_1 added [ 82.096729][ T5930] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.103675][ T5930] 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. [ 82.129911][ T5930] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.141687][ T5930] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.148881][ T5930] 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. [ 82.175166][ T5930] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.213049][ T5930] hsr_slave_0: entered promiscuous mode [ 82.219381][ T5930] hsr_slave_1: entered promiscuous mode [ 82.225304][ T5930] debugfs: 'hsr0' already exists in 'hsr' [ 82.231462][ T5930] Cannot create hsr debugfs directory [ 82.338888][ T5930] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.349132][ T5930] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.359560][ T5930] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.369490][ T5930] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.431937][ T5930] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.451444][ T5930] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.462384][ T60] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.469488][ T60] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.488405][ T60] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.495478][ T60] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.634014][ T5930] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.669589][ T5930] veth0_vlan: entered promiscuous mode [ 82.679859][ T5930] veth1_vlan: entered promiscuous mode [ 82.704326][ T5930] veth0_macvtap: entered promiscuous mode [ 82.715368][ T5930] veth1_macvtap: entered promiscuous mode [ 82.734887][ T5930] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.750652][ T5930] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.762618][ T60] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.772242][ T60] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.782190][ T60] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.793148][ T60] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.852368][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.860711][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.885601][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.893556][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 SYZFAIL: failed to recv rpc [ 83.392967][ T60] netdevsim netdevsim2 netdevsim3 (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-build277648876=/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/cc0bwYtF.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