SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 Warning: Permanently added '10.128.1.161' (ED25519) to the list of known hosts. 2026/03/22 09:50:34 parsed 1 programs [ 23.549449][ T30] audit: type=1400 audit(1774173034.512:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 23.570312][ T30] audit: type=1400 audit(1774173034.512:65): avc: denied { module_request } for pid=281 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 [ 24.538588][ T30] audit: type=1400 audit(1774173035.502:66): 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 [ 24.542089][ T289] cgroup: Unknown subsys name 'net' [ 24.561268][ T30] audit: type=1400 audit(1774173035.502:67): 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 [ 24.588622][ T30] audit: type=1400 audit(1774173035.532:68): 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 [ 24.589160][ T289] cgroup: Unknown subsys name 'devices' [ 24.762445][ T289] cgroup: Unknown subsys name 'hugetlb' [ 24.768079][ T289] cgroup: Unknown subsys name 'rlimit' [ 24.917567][ T30] audit: type=1400 audit(1774173035.882:69): avc: denied { setattr } for pid=289 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.941043][ T30] audit: type=1400 audit(1774173035.882:70): 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 [ 24.962549][ T30] audit: type=1400 audit(1774173035.892:71): 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 [ 24.982879][ T30] audit: type=1400 audit(1774173035.892:72): 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 [ 25.003220][ T30] audit: type=1400 audit(1774173035.892:73): 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 [ 25.009521][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 25.131859][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.644537][ T299] request_module fs-gadgetfs succeeded, but still no fs? [ 25.716582][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.738915][ T298] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.756278][ T298] device bridge_slave_0 entered promiscuous mode [ 25.783802][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.809889][ T298] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.817560][ T298] device bridge_slave_1 entered promiscuous mode [ 26.052671][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.059787][ T298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.067314][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.074541][ T298] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.211653][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.220537][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.230607][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.238151][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.284584][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.312515][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.359702][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.377057][ T298] device veth0_vlan entered promiscuous mode [ 26.387674][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.395987][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.403832][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.416612][ T298] device veth1_macvtap entered promiscuous mode [ 26.429781][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.448208][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.467966][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/03/22 09:50:37 executed programs: 0 [ 26.591119][ T298] syz-executor (298) used greatest stack depth: 21280 bytes left [ 26.631192][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.638262][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.645917][ T360] device bridge_slave_0 entered promiscuous mode [ 26.652990][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.660366][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.667743][ T360] device bridge_slave_1 entered promiscuous mode [ 26.727583][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.735153][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.744218][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.754120][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.762519][ T318] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.769586][ T318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.777736][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 26.786541][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.795218][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.803544][ T318] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.810625][ T318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.823851][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.839457][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.853689][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.865120][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.873592][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.881302][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.896219][ T360] device veth0_vlan entered promiscuous mode [ 26.906762][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.916026][ T360] device veth1_macvtap entered promiscuous mode SYZFAIL: failed to recv rpc [ 26.925437][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.935851][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 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-build1146289337=/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/ccg4yZnI.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