SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc Warning: Permanently added '10.128.1.208' (ED25519) to the list of known hosts. 2026/01/20 01:43:01 parsed 1 programs [ 71.451186][ T30] audit: type=1400 audit(1768873381.238:62): avc: denied { node_bind } for pid=5808 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 73.448135][ T30] audit: type=1400 audit(1768873383.238:63): 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 [ 73.471654][ T30] audit: type=1400 audit(1768873383.258:64): 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 [ 73.475583][ T5816] cgroup: Unknown subsys name 'net' [ 73.500741][ T30] audit: type=1400 audit(1768873383.288:65): 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 [ 73.646315][ T5816] cgroup: Unknown subsys name 'cpuset' [ 73.654578][ T5816] cgroup: Unknown subsys name 'rlimit' [ 73.788959][ T30] audit: type=1400 audit(1768873383.578:66): 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 [ 73.827849][ T30] audit: type=1400 audit(1768873383.578:67): 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 [ 73.855063][ T30] audit: type=1400 audit(1768873383.578:68): 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 [ 73.879397][ T30] audit: type=1400 audit(1768873383.578:69): 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 [ 73.888511][ T5824] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 73.900178][ T30] audit: type=1400 audit(1768873383.598:70): 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 [ 73.933854][ T30] audit: type=1400 audit(1768873383.598:71): 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 [ 74.924078][ T5816] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 76.760917][ T30] kauditd_printk_skb: 4 callbacks suppressed [ 76.760933][ T30] audit: type=1400 audit(1768873386.548:76): avc: denied { execmem } for pid=5829 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 76.824398][ T30] audit: type=1400 audit(1768873386.618:77): avc: denied { create } for pid=5831 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=user_namespace permissive=1 [ 76.893626][ T30] audit: type=1400 audit(1768873386.638:78): avc: denied { sys_admin } for pid=5831 comm="syz-executor" capability=21 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=cap_userns permissive=1 [ 76.942683][ T30] audit: type=1400 audit(1768873386.638:79): avc: denied { read } for pid=5834 comm="syz-executor" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 76.993915][ T30] audit: type=1400 audit(1768873386.638:80): avc: denied { open } for pid=5834 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 [ 77.033791][ T30] audit: type=1400 audit(1768873386.638:81): avc: denied { mounton } for pid=5834 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 [ 77.091252][ T30] audit: type=1400 audit(1768873386.818:82): avc: denied { mounton } for pid=5834 comm="syz-executor" path="/root/syzkaller.pcwERW/syz-tmp" dev="sda1" ino=2042 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 77.115609][ T30] audit: type=1400 audit(1768873386.848:83): avc: denied { mount } for pid=5834 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 [ 77.144222][ T30] audit: type=1400 audit(1768873386.848:84): avc: denied { mounton } for pid=5834 comm="syz-executor" path="/root/syzkaller.pcwERW/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 [ 77.169414][ T30] audit: type=1400 audit(1768873386.848:85): avc: denied { mount } for pid=5834 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 [ 77.237895][ T5834] 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. [ 78.706757][ T5857] chnl_net:caif_netlink_parms(): no params data found [ 78.811194][ T3731] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.824282][ T3731] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.948610][ T3731] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.957192][ T3731] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.057374][ T5857] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.074683][ T5857] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.081908][ T5857] bridge_slave_0: entered allmulticast mode [ 79.091836][ T5857] bridge_slave_0: entered promiscuous mode [ 79.130105][ T5857] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.143658][ T5857] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.161435][ T5857] bridge_slave_1: entered allmulticast mode [ 79.170816][ T5857] bridge_slave_1: entered promiscuous mode [ 79.341055][ T5857] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.366160][ T5901] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.374749][ T5901] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.390324][ T5901] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.398786][ T5901] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.408201][ T5901] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.418534][ T5857] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.545829][ T5857] team0: Port device team_slave_0 added [ 79.612454][ T5857] team0: Port device team_slave_1 added [ 79.663217][ T5857] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.670808][ 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. [ 79.697287][ T5857] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.713442][ T5857] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.720624][ 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. [ 79.746827][ T5857] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.205104][ T5857] hsr_slave_0: entered promiscuous mode [ 80.211442][ T5857] hsr_slave_1: entered promiscuous mode [ 80.443176][ T5857] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 80.463076][ T5857] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 80.472791][ T5857] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 80.485229][ T5857] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 80.551292][ T5857] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.567767][ T5857] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.580030][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.587250][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.601029][ T1102] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.608144][ T1102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.738104][ T5857] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.775697][ T5857] veth0_vlan: entered promiscuous mode [ 80.787052][ T5857] veth1_vlan: entered promiscuous mode [ 80.810089][ T5857] veth0_macvtap: entered promiscuous mode [ 80.819429][ T5857] veth1_macvtap: entered promiscuous mode [ 80.833079][ T5857] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.848667][ T5857] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.861895][ T36] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.872073][ T36] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.882398][ T36] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.892254][ T36] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/01/20 01:43:10 executed programs: 0 [ 81.012256][ T5901] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 81.022582][ T5901] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 81.031196][ T5901] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 81.038981][ T5901] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 81.050252][ T5901] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 81.190439][ T5927] chnl_net:caif_netlink_parms(): no params data found [ 81.256541][ T5927] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.263842][ T5927] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.270989][ T5927] bridge_slave_0: entered allmulticast mode [ 81.278167][ T5927] bridge_slave_0: entered promiscuous mode [ 81.285978][ T5927] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.293066][ T5927] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.300999][ T5927] bridge_slave_1: entered allmulticast mode [ 81.307909][ T5927] bridge_slave_1: entered promiscuous mode [ 81.334506][ T5927] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.345577][ T5927] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.379920][ T5927] team0: Port device team_slave_0 added [ 81.385703][ T48] cfg80211: failed to load regulatory.db [ 81.397880][ T5927] team0: Port device team_slave_1 added [ 81.420258][ T5927] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.427340][ T5927] 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. [ 81.453745][ T5927] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.464455][ T52] Bluetooth: hci0: command tx timeout [ 81.466199][ T5927] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.477109][ T5927] 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. [ 81.503262][ T5927] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.548343][ T5927] hsr_slave_0: entered promiscuous mode [ 81.554705][ T5927] hsr_slave_1: entered promiscuous mode [ 81.560645][ T5927] debugfs: 'hsr0' already exists in 'hsr' [ 81.567037][ T5927] Cannot create hsr debugfs directory [ 81.683888][ T5927] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.694224][ T5927] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.705897][ T5927] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.716980][ T5927] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.777204][ T5927] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.795274][ T5927] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.807756][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.814905][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.828003][ T3448] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.835127][ T3448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.970932][ T5927] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.005341][ T5927] veth0_vlan: entered promiscuous mode [ 82.015379][ T5927] veth1_vlan: entered promiscuous mode [ 82.038980][ T5927] veth0_macvtap: entered promiscuous mode [ 82.048020][ T5927] veth1_macvtap: entered promiscuous mode [ 82.062075][ T5927] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.077047][ T5927] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.090252][ T1102] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.099408][ T1102] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.109941][ T1102] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.119994][ T1102] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.177316][ T1102] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.185647][ T1102] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.212301][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.220492][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 SYZFAIL: failed to recv rpc [ 82.735409][ T3448] 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-build1150724117=/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/ccdeFSNd.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