SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 Warning: Permanently added '10.128.1.121' (ED25519) to the list of known hosts. 2025/11/13 06:25:59 parsed 1 programs [ 24.919559][ T31] audit: type=1400 audit(1763015159.291:61): avc: denied { node_bind } for pid=280 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.940312][ T31] audit: type=1400 audit(1763015159.291:62): avc: denied { module_request } for pid=280 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 25.709355][ T31] audit: type=1400 audit(1763015160.081:63): avc: denied { mounton } for pid=289 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 [ 25.732724][ T31] audit: type=1400 audit(1763015160.111:64): avc: denied { mount } for pid=289 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 [ 25.733646][ T289] cgroup: Unknown subsys name 'net' [ 25.761512][ T31] audit: type=1400 audit(1763015160.141:65): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.761645][ T289] cgroup: Unknown subsys name 'devices' [ 25.861409][ T289] cgroup: Unknown subsys name 'cpuset' [ 25.867493][ T289] cgroup: Unknown subsys name 'hugetlb' [ 25.873399][ T289] cgroup: Unknown subsys name 'rlimit' [ 25.879126][ T289] cgroup: Unknown subsys name 'memory' [ 25.996736][ T31] audit: type=1400 audit(1763015160.371:66): avc: denied { setattr } for pid=289 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=255 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 26.020408][ T31] audit: type=1400 audit(1763015160.371:67): avc: denied { create } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.041493][ T31] audit: type=1400 audit(1763015160.371:68): avc: denied { write } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.049644][ T291] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 26.062487][ T31] audit: type=1400 audit(1763015160.371:69): avc: denied { read } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 26.091120][ T31] audit: type=1400 audit(1763015160.371:70): avc: denied { mounton } for pid=289 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 [ 26.135564][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 26.985671][ T298] request_module fs-gadgetfs succeeded, but still no fs? [ 27.123477][ T297] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.131436][ T297] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.138575][ T297] bridge_slave_0: entered allmulticast mode [ 27.146040][ T297] bridge_slave_0: entered promiscuous mode [ 27.165388][ T297] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.173404][ T297] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.180865][ T297] bridge_slave_1: entered allmulticast mode [ 27.187289][ T297] bridge_slave_1: entered promiscuous mode [ 27.639538][ T297] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.646736][ T297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.654153][ T297] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.661225][ T297] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.817009][ T297] veth0_vlan: entered promiscuous mode [ 27.841863][ T297] veth1_macvtap: entered promiscuous mode 2025/11/13 06:26:02 executed programs: 0 [ 27.958290][ T12] bridge_slave_1: left allmulticast mode [ 27.964503][ T12] bridge_slave_1: left promiscuous mode [ 27.970253][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.978244][ T12] bridge_slave_0: left allmulticast mode [ 27.984208][ T12] bridge_slave_0: left promiscuous mode [ 27.989994][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.071038][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.078110][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.085579][ T365] bridge_slave_0: entered allmulticast mode [ 28.092271][ T365] bridge_slave_0: entered promiscuous mode [ 28.099919][ T12] veth1_macvtap: left promiscuous mode [ 28.106139][ T12] veth0_vlan: left promiscuous mode [ 28.135393][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.142585][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.149754][ T365] bridge_slave_1: entered allmulticast mode [ 28.157117][ T365] bridge_slave_1: entered promiscuous mode [ 28.201781][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.209015][ T365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.216455][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.223521][ T365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.241443][ T303] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.248891][ T303] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.258976][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.266149][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.278917][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.286077][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state SYZFAIL: failed to recv rpc [ 28.304231][ T365] veth0_vlan: entered promiscuous mode [ 28.315849][ T365] veth1_macvtap: entered promiscuous mode fd=3 want=4 recv=0 n=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-build1749669048=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/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 4e1406b4def 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=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" ./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=4e1406b4defac0e2a9d9424c70706f79a7750cf3 -X github.com/google/syzkaller/prog.gitRevisionDate=20251106-151142" -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=\"4e1406b4defac0e2a9d9424c70706f79a7750cf3\" /usr/bin/ld: /tmp/ccgMfEaw.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