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 '10.128.1.133' (ED25519) to the list of known hosts. 2025/12/09 11:40:44 parsed 1 programs [ 29.866884][ T31] audit: type=1400 audit(1765280444.921:61): avc: denied { node_bind } for pid=286 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 29.888000][ T31] audit: type=1400 audit(1765280444.921:62): avc: denied { module_request } for pid=286 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 [ 30.591171][ T31] audit: type=1400 audit(1765280445.651:63): avc: denied { mounton } for pid=294 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 [ 30.614046][ T31] audit: type=1400 audit(1765280445.671:64): avc: denied { mount } for pid=294 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 [ 30.614935][ T294] cgroup: Unknown subsys name 'net' [ 30.641923][ T31] audit: type=1400 audit(1765280445.711:65): avc: denied { unmount } for pid=294 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 30.642066][ T294] cgroup: Unknown subsys name 'devices' [ 30.848563][ T294] cgroup: Unknown subsys name 'cpuset' [ 30.854424][ T294] cgroup: Unknown subsys name 'hugetlb' [ 30.860177][ T294] cgroup: Unknown subsys name 'rlimit' [ 30.865702][ T294] cgroup: Unknown subsys name 'memory' [ 31.018548][ T31] audit: type=1400 audit(1765280446.081:66): avc: denied { setattr } for pid=294 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 31.042301][ T31] audit: type=1400 audit(1765280446.081:67): avc: denied { create } for pid=294 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 31.062938][ T31] audit: type=1400 audit(1765280446.081:68): avc: denied { write } for pid=294 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 31.071622][ T297] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 31.083258][ T31] audit: type=1400 audit(1765280446.081:69): avc: denied { read } for pid=294 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 [ 31.112300][ T31] audit: type=1400 audit(1765280446.081:70): avc: denied { mounton } for pid=294 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 [ 31.145874][ T294] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 31.938738][ T304] request_module fs-gadgetfs succeeded, but still no fs? [ 32.260957][ T310] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.268198][ T310] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.275228][ T310] bridge_slave_0: entered allmulticast mode [ 32.281527][ T310] bridge_slave_0: entered promiscuous mode [ 32.298021][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.305084][ T310] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.312290][ T310] bridge_slave_1: entered allmulticast mode [ 32.318733][ T310] bridge_slave_1: entered promiscuous mode [ 32.593294][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.600530][ T310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.607950][ T310] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.614982][ T310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.667395][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.677970][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.690653][ T40] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.697743][ T40] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.711130][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.718248][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.754317][ T310] veth0_vlan: entered promiscuous mode 2025/12/09 11:40:47 executed programs: 0 [ 32.778068][ T310] veth1_macvtap: entered promiscuous mode [ 32.853393][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.860575][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.867833][ T367] bridge_slave_0: entered allmulticast mode [ 32.873951][ T367] bridge_slave_0: entered promiscuous mode [ 32.880574][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.887981][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.895055][ T367] bridge_slave_1: entered allmulticast mode [ 32.901217][ T367] bridge_slave_1: entered promiscuous mode [ 32.945959][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.953017][ T367] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.960406][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.967628][ T367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.987730][ T40] bridge0: port 1(bridge_slave_0) entered disabled state [ 32.994962][ T40] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.004127][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.011177][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.019878][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.026931][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.050976][ T367] veth0_vlan: entered promiscuous mode [ 33.063317][ T367] veth1_macvtap: entered promiscuous mode SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 33.160980][ T40] bridge_slave_1: left allmulticast mode [ 33.166792][ T40] bridge_slave_1: left promiscuous mode [ 33.180618][ T40] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.199868][ T367] syz-executor (367) used greatest stack depth: 21184 bytes left [ 33.208742][ T40] bridge_slave_0: left allmulticast mode [ 33.214411][ T40] bridge_slave_0: left promiscuous mode [ 33.227798][ T40] bridge0: port 1(bridge_slave_0) entered disabled state 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-build3071206801=/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 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/cc4kceXs.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