lost connection to test machine Warning: Permanently added '10.128.1.121' (ED25519) to the list of known hosts. 2026/02/03 18:03:00 parsed 1 programs [ 33.753531][ T31] audit: type=1400 audit(1770141780.545:47): avc: denied { node_bind } for pid=311 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 34.525111][ T31] audit: type=1400 audit(1770141781.315:48): avc: denied { mounton } for pid=320 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 [ 34.550360][ T31] audit: type=1400 audit(1770141781.345:49): avc: denied { mount } for pid=320 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 [ 34.551341][ T320] cgroup: Unknown subsys name 'net' [ 34.580613][ T31] audit: type=1400 audit(1770141781.385:50): avc: denied { unmount } for pid=320 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 34.580736][ T320] cgroup: Unknown subsys name 'devices' [ 34.707793][ T320] cgroup: Unknown subsys name 'cpuset' [ 34.714534][ T320] cgroup: Unknown subsys name 'hugetlb' [ 34.720546][ T320] cgroup: Unknown subsys name 'rlimit' [ 34.726738][ T320] cgroup: Unknown subsys name 'memory' [ 34.834180][ T31] audit: type=1400 audit(1770141781.625:51): avc: denied { setattr } for pid=320 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 [ 34.861245][ T31] audit: type=1400 audit(1770141781.625:52): avc: denied { create } for pid=320 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 34.869019][ T323] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 34.883499][ T31] audit: type=1400 audit(1770141781.625:53): avc: denied { write } for pid=320 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 34.913690][ T31] audit: type=1400 audit(1770141781.625:54): avc: denied { read } for pid=320 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 34.935148][ T31] audit: type=1400 audit(1770141781.625:55): avc: denied { module_request } for pid=320 comm="syz-executor" kmod="netdev-wpan0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 34.964428][ T31] audit: type=1400 audit(1770141781.625:56): avc: denied { mounton } for pid=320 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 [ 35.004046][ T320] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 35.758698][ T327] request_module fs-gadgetfs succeeded, but still no fs? [ 36.099607][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.108584][ T347] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.117196][ T347] bridge_slave_0: entered allmulticast mode [ 36.123533][ T347] bridge_slave_0: entered promiscuous mode [ 36.139893][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.147519][ T347] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.154673][ T347] bridge_slave_1: entered allmulticast mode [ 36.161315][ T347] bridge_slave_1: entered promiscuous mode [ 36.209868][ T347] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.219266][ T347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.227185][ T347] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.234214][ T347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.256245][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.264407][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.274424][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.282777][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.291763][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.299371][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.323810][ T347] veth0_vlan: entered promiscuous mode [ 36.334978][ T347] veth1_macvtap: entered promiscuous mode [ 36.371064][ T347] syz-executor (347) used greatest stack depth: 21280 bytes left [ 36.388847][ T39] bridge_slave_1: left allmulticast mode [ 36.394793][ T39] bridge_slave_1: left promiscuous mode [ 36.403110][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.414324][ T39] bridge_slave_0: left allmulticast mode [ 36.422047][ T39] bridge_slave_0: left promiscuous mode [ 36.429384][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.527868][ T39] veth1_macvtap: left promiscuous mode [ 36.533500][ T39] veth0_vlan: left promiscuous mode 2026/02/03 18:03:03 executed programs: 0 [ 37.004956][ T391] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.015320][ T391] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.023706][ T391] bridge_slave_0: entered allmulticast mode [ 37.031456][ T391] bridge_slave_0: entered promiscuous mode [ 37.039972][ T391] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.049119][ T391] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.059413][ T391] bridge_slave_1: entered allmulticast mode [ 37.067289][ T391] bridge_slave_1: entered promiscuous mode [ 37.118183][ T391] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.126978][ T391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.135213][ T391] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.142644][ T391] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.151268][ T388] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.159274][ T388] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.187098][ T207] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.195864][ T207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.206743][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.214007][ T388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.240923][ T391] veth0_vlan: entered promiscuous mode [ 37.252053][ T391] veth1_macvtap: entered promiscuous mode [ 37.319881][ T39] bridge_slave_1: left allmulticast mode [ 37.325756][ T39] bridge_slave_1: left promiscuous mode [ 37.331995][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.340833][ T39] bridge_slave_0: left allmulticast mode [ 37.346701][ T39] bridge_slave_0: left promiscuous mode [ 37.352486][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.458556][ T39] veth1_macvtap: left promiscuous mode [ 37.466319][ T39] veth0_vlan: left 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-build3639914810=/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 a95239b104 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}}' ./sys/syz-sysgen | grep -q false || go install ./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=a95239b10464c498ac06b56698a6996643680b86 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250415-155541'" -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=\"a95239b10464c498ac06b56698a6996643680b86\" /usr/bin/ld: /tmp/ccMLnKEd.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