lost connection to test machine



forked to background, child pid 4593
no interfaces have a carrier
[  105.834971][ T4594] 8021q: adding VLAN 0 to HW filter on device bond0
[  105.850730][ T4594] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts.
2023/03/19 01:54:02 fuzzer started
2023/03/19 01:54:02 connecting to host at 10.128.0.169:36977
2023/03/19 01:54:02 checking config...
syzkaller login: [  176.945167][ T5001] can: request_module (can-proto-0) failed.
[  177.038247][ T5001] can: request_module (can-proto-0) failed.
2023/03/19 01:54:29 enabled syscalls: 121
2023/03/19 01:54:29 testing simple program...
2023/03/19 01:54:37 execution failed: executor 0: invalid status 0, exit status: exit status 67
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
ip: invalid argument 'add' to 'ip'
command 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ip neigh add 172.20.20.187 lladdr aa:aa:aa:aa:aa:bb dev syz_tun nud permanent' failed: 256 (errno 1)
loop failed (errno 0)


syzkaller build log:
go env (err=<nil>)
GO111MODULE="auto"
GOARCH="amd64"
GOBIN=""
GOCACHE="/syzkaller/.cache/go-build"
GOENV="/syzkaller/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
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"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.1"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1600747930=/tmp/go-build -gno-record-gcc-switches"

git status (err=<nil>)
HEAD detached at b9f655072
nothing to commit, working tree clean


GOOS=linux GOARCH=amd64 go install ./syz-fuzzer
make fuzzer execprog stress executor
make[1]: Entering directory '/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller'
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=b9f655072cffb76f8b33aca772bfda9eb3a4530d" -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=b9f655072cffb76f8b33aca772bfda9eb3a4530d" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=b9f655072cffb76f8b33aca772bfda9eb3a4530d" -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
"x86_64-linux-gnu-gcc" -o ./bin/linux_amd64/syz-executor executor/executor_linux.cc \
	-pthread -Wall -Wframe-larger-than=8192 -Wparentheses -Werror -O2 \
	-static -fpermissive -w -DGOOS=\"linux\" -DGIT_REVISION=\"b9f655072cffb76f8b33aca772bfda9eb3a4530d\"
make[1]: Leaving directory '/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller'