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 '10.128.1.102' (ED25519) to the list of known hosts. 2026/03/25 18:23:16 parsed 1 programs [ 25.620110][ T24] audit: type=1400 audit(1774462996.809:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 25.640906][ T24] audit: type=1400 audit(1774462996.819:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 25.660623][ T24] audit: type=1400 audit(1774462996.819:66): avc: denied { module_request } for pid=275 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 [ 26.254714][ T24] audit: type=1400 audit(1774462997.439:67): avc: denied { mounton } for pid=283 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 [ 26.256076][ T283] cgroup: Unknown subsys name 'net' [ 26.277460][ T24] audit: type=1400 audit(1774462997.439:68): avc: denied { mount } for pid=283 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 [ 26.304840][ T24] audit: type=1400 audit(1774462997.479:69): avc: denied { unmount } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 26.305040][ T283] cgroup: Unknown subsys name 'devices' [ 26.481730][ T283] cgroup: Unknown subsys name 'hugetlb' [ 26.487441][ T283] cgroup: Unknown subsys name 'rlimit' [ 26.667850][ T24] audit: type=1400 audit(1774462997.849:70): avc: denied { setattr } for pid=283 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 26.692163][ T24] audit: type=1400 audit(1774462997.849:71): avc: denied { create } for pid=283 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 [ 26.697709][ T285] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 26.712726][ T24] audit: type=1400 audit(1774462997.849:72): avc: denied { write } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.741541][ T24] audit: type=1400 audit(1774462997.849:73): avc: denied { read } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.762899][ T283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 27.200477][ T291] request_module fs-gadgetfs succeeded, but still no fs? [ 27.218092][ T291] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 27.488433][ T308] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.495745][ T308] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.503412][ T308] device bridge_slave_0 entered promiscuous mode [ 27.520013][ T308] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.527059][ T308] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.544543][ T308] device bridge_slave_1 entered promiscuous mode [ 27.757265][ T308] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.764343][ T308] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.771689][ T308] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.778716][ T308] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.847499][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.855777][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.863254][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.878502][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.888683][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.895780][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.903395][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.912057][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.919332][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.937269][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.945319][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.959613][ T308] device veth0_vlan entered promiscuous mode [ 27.966882][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.976040][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.985020][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready 2026/03/25 18:23:19 executed programs: 0 [ 27.992825][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.005416][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.014416][ T308] device veth1_macvtap entered promiscuous mode [ 28.022901][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.033447][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.112752][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.119791][ T354] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.127194][ T354] device bridge_slave_0 entered promiscuous mode [ 28.133916][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.141034][ T354] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.148267][ T354] device bridge_slave_1 entered promiscuous mode [ 28.177285][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.184320][ T354] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.191654][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.198652][ T354] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.214186][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.221925][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.229199][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.238604][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.246946][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.253977][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.262550][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.271005][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.278145][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.290436][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.306638][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.319289][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.330840][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.338769][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.346475][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.354938][ T354] device veth0_vlan entered promiscuous mode [ 28.367881][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 28.376103][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.385219][ T354] device veth1_macvtap entered promiscuous mode [ 28.397301][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 28.404956][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 28.413309][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.422636][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 28.430923][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 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-build1992404053=/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='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at d6526ea3e6a 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/ccGzsXpH.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): 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