SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) rocess permissive=1 [ 15.878517][ T30] audit: type=1400 audit(1792388781.212:63): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.155' (ED25519) to the list of known hosts. 2026/10/19 05:46:31 parsed 1 programs [ 25.935412][ T30] audit: type=1400 audit(1792388791.332:64): avc: denied { node_bind } for pid=293 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 25.956436][ T30] audit: type=1400 audit(1792388791.332:65): avc: denied { module_request } for pid=293 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 [ 26.942312][ T30] audit: type=1400 audit(1792388792.342:66): avc: denied { mounton } for pid=302 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 26.946497][ T302] cgroup: Unknown subsys name 'net' [ 26.965576][ T30] audit: type=1400 audit(1792388792.342:67): avc: denied { mount } for pid=302 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 [ 26.995288][ T30] audit: type=1400 audit(1792388792.372:68): avc: denied { unmount } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 26.995747][ T302] cgroup: Unknown subsys name 'devices' [ 27.142440][ T302] cgroup: Unknown subsys name 'hugetlb' [ 27.148112][ T302] cgroup: Unknown subsys name 'rlimit' [ 27.297305][ T30] audit: type=1400 audit(1792388792.692:69): avc: denied { setattr } for pid=302 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 [ 27.320821][ T30] audit: type=1400 audit(1792388792.692:70): avc: denied { create } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.342850][ T30] audit: type=1400 audit(1792388792.692:71): avc: denied { write } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.362174][ T304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 27.363438][ T30] audit: type=1400 audit(1792388792.692:72): avc: denied { read } for pid=302 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 [ 27.392985][ T30] audit: type=1400 audit(1792388792.692:73): avc: denied { mounton } for pid=302 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 [ 27.426463][ T302] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 27.909408][ T312] request_module fs-gadgetfs succeeded, but still no fs? [ 28.330459][ T331] syz-executor (331) used greatest stack depth: 22176 bytes left [ 28.380184][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.388394][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.406149][ T336] device bridge_slave_0 entered promiscuous mode [ 28.447019][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.457136][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.469370][ T336] device bridge_slave_1 entered promiscuous mode [ 28.650181][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.657284][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.664681][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.672142][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.698730][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.706442][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.715054][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.723232][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.741107][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.749568][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.756834][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.765270][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.774651][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.781859][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.801135][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.811791][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.827153][ T336] device veth0_vlan entered promiscuous mode [ 28.835091][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.844316][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.852175][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.860385][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.877068][ T336] device veth1_macvtap entered promiscuous mode [ 28.884948][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.899497][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.919142][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/10/19 05:46:34 executed programs: 0 [ 29.064145][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.071375][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.079095][ T369] device bridge_slave_0 entered promiscuous mode [ 29.086412][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.093759][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.101867][ T369] device bridge_slave_1 entered promiscuous mode [ 29.163829][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.170940][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.178564][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.185843][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.204061][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.211735][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.218941][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.235242][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.243517][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.250936][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.259692][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.267958][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.275136][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.293289][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 29.301713][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.310988][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 29.319280][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.340681][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.349290][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.366625][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.374828][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.383453][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.391038][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.399672][ T369] device veth0_vlan entered promiscuous mode [ 29.411301][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.419725][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.434839][ T369] device veth1_macvtap entered promiscuous mode [ 29.444285][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.452474][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.461150][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.477485][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.485946][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 29.576059][ T336] syz-executor (336) used greatest stack depth: 21640 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-build1003033204=/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/cci66XmE.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