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 '10.128.1.212' (ED25519) to the list of known hosts. 2025/11/08 22:12:25 parsed 1 programs [ 24.688636][ T31] audit: type=1400 audit(1762639945.898:61): 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 [ 24.709321][ T31] audit: type=1400 audit(1762639945.898:62): 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 [ 25.419482][ T31] audit: type=1400 audit(1762639946.628:63): avc: denied { mounton } for pid=295 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 [ 25.443638][ T31] audit: type=1400 audit(1762639946.658:64): avc: denied { mount } for pid=295 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 [ 25.444546][ T295] cgroup: Unknown subsys name 'net' [ 25.471769][ T31] audit: type=1400 audit(1762639946.688:65): avc: denied { unmount } for pid=295 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.471914][ T295] cgroup: Unknown subsys name 'devices' [ 25.592734][ T295] cgroup: Unknown subsys name 'cpuset' [ 25.598735][ T295] cgroup: Unknown subsys name 'hugetlb' [ 25.604438][ T295] cgroup: Unknown subsys name 'rlimit' [ 25.610033][ T295] cgroup: Unknown subsys name 'memory' [ 25.706025][ T31] audit: type=1400 audit(1762639946.918:66): avc: denied { setattr } for pid=295 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 [ 25.729524][ T31] audit: type=1400 audit(1762639946.918:67): avc: denied { create } for pid=295 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.749974][ T31] audit: type=1400 audit(1762639946.918:68): avc: denied { write } for pid=295 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.757925][ T297] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.770669][ T31] audit: type=1400 audit(1762639946.918:69): avc: denied { read } for pid=295 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 [ 25.800080][ T31] audit: type=1400 audit(1762639946.918:70): avc: denied { mounton } for pid=295 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 [ 25.853353][ T295] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 26.622016][ T305] request_module fs-gadgetfs succeeded, but still no fs? [ 26.909224][ T307] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.916442][ T307] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.927345][ T307] bridge_slave_0: entered allmulticast mode [ 26.934171][ T307] bridge_slave_0: entered promiscuous mode [ 26.945906][ T307] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.964245][ T307] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.971394][ T307] bridge_slave_1: entered allmulticast mode [ 26.990348][ T307] bridge_slave_1: entered promiscuous mode [ 27.306147][ T307] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.313359][ T307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.320731][ T307] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.327804][ T307] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.367891][ T123] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.378524][ T123] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.393139][ T123] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.400225][ T123] bridge0: port 1(bridge_slave_0) entered forwarding state 2025/11/08 22:12:28 executed programs: 0 [ 27.411866][ T123] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.418937][ T123] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.445759][ T307] veth0_vlan: entered promiscuous mode [ 27.456351][ T307] veth1_macvtap: entered promiscuous mode [ 27.553130][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.560165][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.567787][ T367] bridge_slave_0: entered allmulticast mode [ 27.574927][ T367] bridge_slave_0: entered promiscuous mode [ 27.582333][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.589778][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.597002][ T367] bridge_slave_1: entered allmulticast mode [ 27.603203][ T367] bridge_slave_1: entered promiscuous mode [ 27.641404][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.648537][ T367] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.655856][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.662983][ T367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.683824][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.691075][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.700131][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.707290][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.716450][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.723543][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.746402][ T367] veth0_vlan: entered promiscuous mode [ 27.758274][ T367] veth1_macvtap: entered promiscuous mode SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 27.848387][ T307] syz-executor (307) used greatest stack depth: 21360 bytes left 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-build784483562=/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 a6c9c731229 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=a6c9c7312290da5bca2fc1be4872a7aeefb6e3ea -X github.com/google/syzkaller/prog.gitRevisionDate=20251104-181356" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=a6c9c7312290da5bca2fc1be4872a7aeefb6e3ea -X github.com/google/syzkaller/prog.gitRevisionDate=20251104-181356" ./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=a6c9c7312290da5bca2fc1be4872a7aeefb6e3ea -X github.com/google/syzkaller/prog.gitRevisionDate=20251104-181356" -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=\"a6c9c7312290da5bca2fc1be4872a7aeefb6e3ea\" /usr/bin/ld: /tmp/cchfNQ8i.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