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 '10.128.1.224' (ED25519) to the list of known hosts. 2025/11/14 08:58:31 parsed 1 programs [ 21.464796][ T36] audit: type=1400 audit(1763110711.009:61): avc: denied { node_bind } for pid=292 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.319331][ T36] audit: type=1400 audit(1763110711.859:62): avc: denied { mounton } for pid=300 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 [ 22.342429][ T36] audit: type=1400 audit(1763110711.889:63): avc: denied { mount } for pid=300 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 [ 22.343370][ T300] cgroup: Unknown subsys name 'net' [ 22.370174][ T36] audit: type=1400 audit(1763110711.909:64): avc: denied { unmount } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.370307][ T300] cgroup: Unknown subsys name 'devices' [ 22.614251][ T300] cgroup: Unknown subsys name 'hugetlb' [ 22.619880][ T300] cgroup: Unknown subsys name 'rlimit' [ 22.724155][ T300] cpuset.memory_pressure_enabled is deprecated, use memory.pressure with CONFIG_PSI instead [ 22.748968][ T36] audit: type=1400 audit(1763110712.289:65): avc: denied { setattr } for pid=300 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=189 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.772248][ T36] audit: type=1400 audit(1763110712.289:66): avc: denied { create } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.777294][ T303] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 22.793134][ T36] audit: type=1400 audit(1763110712.289:67): avc: denied { write } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.822019][ T36] audit: type=1400 audit(1763110712.289:68): avc: denied { read } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.842215][ T36] audit: type=1400 audit(1763110712.289:69): avc: denied { sys_module } for pid=300 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 22.863175][ T36] audit: type=1400 audit(1763110712.289:70): avc: denied { mounton } for pid=300 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 [ 22.868677][ T300] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.733764][ T305] 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. [ 23.911159][ T319] psi: inconsistent task state! task=50:kworker/u8:3 cpu=0 psi_flags=4 clear=0 set=4 [ 23.955294][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.962451][ T323] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.969490][ T323] bridge_slave_0: entered allmulticast mode [ 23.975843][ T323] bridge_slave_0: entered promiscuous mode [ 23.982637][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.989665][ T323] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.996798][ T323] bridge_slave_1: entered allmulticast mode [ 24.003042][ T323] bridge_slave_1: entered promiscuous mode [ 24.044986][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.052022][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.059324][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.066376][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.113197][ T323] veth0_vlan: entered promiscuous mode [ 24.123344][ T323] veth1_macvtap: entered promiscuous mode [ 24.244225][ T13] bridge_slave_1: left allmulticast mode [ 24.249910][ T13] bridge_slave_1: left promiscuous mode [ 24.255621][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.263381][ T13] bridge_slave_0: left allmulticast mode [ 24.269039][ T13] bridge_slave_0: left promiscuous mode [ 24.274716][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.392255][ T13] veth1_macvtap: left promiscuous mode [ 24.397808][ T13] veth0_vlan: left promiscuous mode 2025/11/14 08:58:34 executed programs: 0 [ 24.907582][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.914701][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.922021][ T373] bridge_slave_0: entered allmulticast mode [ 24.928722][ T373] bridge_slave_0: entered promiscuous mode [ 24.935663][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.942734][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.949799][ T373] bridge_slave_1: entered allmulticast mode [ 24.956341][ T373] bridge_slave_1: entered promiscuous mode [ 25.013552][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.020603][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.032747][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.039882][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 25.065461][ T373] veth0_vlan: entered promiscuous mode [ 25.075504][ T373] veth1_macvtap: entered promiscuous mode 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-build4244670750=/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 07e030dea6e 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=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" ./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=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" -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=\"07e030dea6e6d9ca88b75bb3be2810f47083b328\" /usr/bin/ld: /tmp/ccpwzn8Q.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