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dep prune panics with invalid memory address or nil pointer dereference #1003

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prymitive opened this issue Aug 13, 2017 · 0 comments · Fixed by #1005
Closed

dep prune panics with invalid memory address or nil pointer dereference #1003

prymitive opened this issue Aug 13, 2017 · 0 comments · Fixed by #1005

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@prymitive
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What version of Go (go version) and dep (git describe --tags) are you using?

$ go version
go version go1.8.3 darwin/amd64

$ pwd
/Users/lukasz/Go/src/github.com/golang/dep
$ git describe --tags
v0.3.0-80-g4758d86

What dep command did you run?

$ dep prune
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1136c44]

goroutine 1 [running]:
log.(*Logger).Output(0x0, 0x2, 0xc4201753c0, 0x33, 0x0, 0x0)
	/usr/local/go/src/log/log.go:149 +0x54
log.(*Logger).Printf(0x0, 0x14de17a, 0x11, 0xc4203f5400, 0x2, 0x2)
	/usr/local/go/src/log/log.go:175 +0x7e
github.com/golang/dep/internal/gps.WriteDepTree(0xc420175300, 0x3d, 0x16d5200, 0xc4201ca2a0, 0x16db5a0, 0xc4201ca480, 0x1, 0x0, 0xf1a4098e75957bc5, 0xa437065fed71f0eb)
	/Users/lukasz/Go/src/github.com/golang/dep/internal/gps/result.go:69 +0x3c2
main.pruneProject(0xc420137940, 0x16db5a0, 0xc4201ca480, 0x0, 0x0, 0x0)
	/Users/lukasz/Go/src/github.com/golang/dep/cmd/dep/prune.go:100 +0x139
main.(*pruneCommand).Run(0x17244e8, 0xc420017770, 0xc42000c200, 0x0, 0x0, 0x0, 0x0)
	/Users/lukasz/Go/src/github.com/golang/dep/cmd/dep/prune.go:89 +0x3db
main.(*Config).Run(0xc42006afc0, 0xc42006afc0)
	/Users/lukasz/Go/src/github.com/golang/dep/cmd/dep/main.go:158 +0x855
main.main()
	/Users/lukasz/Go/src/github.com/golang/dep/cmd/dep/main.go:45 +0x253

What did you expect to see?

dep completing without any panic

What did you see instead?

a panic

Notes

It seems to crash only if I don't pass the -v flag:

$ dep prune -v
Writing out github.com/DeanThompson/ginpprof@master
Writing out github.com/beorn7/perks@master
Writing out github.com/blang/semver@v3.5.0
Writing out github.com/certifi/gocertifi@2017.04.17
Writing out github.com/cnf/structhash@master
Writing out github.com/elazarl/go-bindata-assetfs@master
Writing out github.com/getsentry/raven-go@master
Writing out github.com/gin-contrib/gzip@master
Writing out github.com/gin-contrib/sse@master
Writing out github.com/gin-contrib/static@master
Writing out github.com/gin-gonic/contrib@master
Writing out github.com/gin-gonic/gin@v1.2
Writing out github.com/golang/protobuf@master
Writing out github.com/hansrodtang/randomcolor@master
Writing out github.com/kelseyhightower/envconfig@v1.3.0
Writing out github.com/mattn/go-isatty@v0.0.2
Writing out github.com/matttproud/golang_protobuf_extensions@v1.0.0
Writing out github.com/mcuadros/go-gin-prometheus@master
Writing out github.com/patrickmn/go-cache@v2.0.0
Writing out github.com/prometheus/client_golang@v0.8.0
Writing out github.com/prometheus/client_model@master
Writing out github.com/prometheus/common@master
Writing out github.com/prometheus/procfs@master
Writing out github.com/sirupsen/logrus@1.0.2
Writing out github.com/ugorji/go@master
Writing out golang.org/x/sys@master
Writing out gopkg.in/go-playground/validator.v8@v8.18.1
Writing out gopkg.in/jarcoal/httpmock.v1@v1
Writing out gopkg.in/yaml.v2@v2
Calculating prune. Checking the following packages:
  github.com
  github.com/DeanThompson
  github.com/DeanThompson/ginpprof
  github.com/DeanThompson/ginpprof/example
  github.com/beorn7
  github.com/beorn7/perks
  github.com/beorn7/perks/histogram
  github.com/beorn7/perks/quantile
  github.com/beorn7/perks/topk
  github.com/blang
  github.com/blang/semver
  github.com/blang/semver/.gx
  github.com/blang/semver/examples
  github.com/certifi
  github.com/certifi/gocertifi
  github.com/cnf
  github.com/cnf/structhash
  github.com/elazarl
  github.com/elazarl/go-bindata-assetfs
  github.com/elazarl/go-bindata-assetfs/go-bindata-assetfs
  github.com/getsentry
  github.com/getsentry/raven-go
  github.com/getsentry/raven-go/docs
  github.com/getsentry/raven-go/docs/_sentryext
  github.com/getsentry/raven-go/docs/integrations
  github.com/getsentry/raven-go/example
  github.com/gin-contrib
  github.com/gin-contrib/gzip
  github.com/gin-contrib/gzip/example
  github.com/gin-contrib/sse
  github.com/gin-contrib/static
  github.com/gin-contrib/static/example
  github.com/gin-contrib/static/example/bindata
  github.com/gin-contrib/static/example/bindata/data
  github.com/gin-contrib/static/example/simple
  github.com/gin-gonic
  github.com/gin-gonic/contrib
  github.com/gin-gonic/contrib/cache
  github.com/gin-gonic/contrib/cache/Godeps
  github.com/gin-gonic/contrib/cache/example
  github.com/gin-gonic/contrib/commonlog
  github.com/gin-gonic/contrib/cors
  github.com/gin-gonic/contrib/expvar
  github.com/gin-gonic/contrib/ginrus
  github.com/gin-gonic/contrib/ginrus/Godeps
  github.com/gin-gonic/contrib/ginrus/example
  github.com/gin-gonic/contrib/gzip
  github.com/gin-gonic/contrib/gzip/Godeps
  github.com/gin-gonic/contrib/gzip/example
  github.com/gin-gonic/contrib/jwt
  github.com/gin-gonic/contrib/jwt/Godeps
  github.com/gin-gonic/contrib/jwt/example
  github.com/gin-gonic/contrib/newrelic
  github.com/gin-gonic/contrib/renders
  github.com/gin-gonic/contrib/renders/multitemplate
  github.com/gin-gonic/contrib/rest
  github.com/gin-gonic/contrib/secure
  github.com/gin-gonic/contrib/secure/Godeps
  github.com/gin-gonic/contrib/secure/example
  github.com/gin-gonic/contrib/sentry
  github.com/gin-gonic/contrib/sessions
  github.com/gin-gonic/contrib/sessions/Godeps
  github.com/gin-gonic/contrib/sessions/example_cookie
  github.com/gin-gonic/contrib/sessions/example_redis
  github.com/gin-gonic/contrib/static
  github.com/gin-gonic/contrib/static/example
  github.com/gin-gonic/contrib/static/example/bindata
  github.com/gin-gonic/contrib/static/example/bindata/data
  github.com/gin-gonic/contrib/static/example/simple
  github.com/gin-gonic/gin
  github.com/gin-gonic/gin/binding
  github.com/gin-gonic/gin/binding/example
  github.com/gin-gonic/gin/examples
  github.com/gin-gonic/gin/examples/app-engine
  github.com/gin-gonic/gin/examples/auto-tls
  github.com/gin-gonic/gin/examples/basic
  github.com/gin-gonic/gin/examples/graceful-shutdown
  github.com/gin-gonic/gin/examples/graceful-shutdown/close
  github.com/gin-gonic/gin/examples/graceful-shutdown/graceful-shutdown
  github.com/gin-gonic/gin/examples/realtime-advanced
  github.com/gin-gonic/gin/examples/realtime-advanced/resources
  github.com/gin-gonic/gin/examples/realtime-advanced/resources/static
  github.com/gin-gonic/gin/examples/realtime-chat
  github.com/gin-gonic/gin/examples/upload-file
  github.com/gin-gonic/gin/examples/upload-file/multiple
  github.com/gin-gonic/gin/examples/upload-file/multiple/public
  github.com/gin-gonic/gin/examples/upload-file/single
  github.com/gin-gonic/gin/examples/upload-file/single/public
  github.com/gin-gonic/gin/fixtures
  github.com/gin-gonic/gin/fixtures/basic
  github.com/gin-gonic/gin/ginS
  github.com/gin-gonic/gin/render
  github.com/golang
  github.com/golang/protobuf
  github.com/golang/protobuf/_conformance
  github.com/golang/protobuf/_conformance/conformance_proto
  github.com/golang/protobuf/descriptor
  github.com/golang/protobuf/jsonpb
  github.com/golang/protobuf/jsonpb/jsonpb_test_proto
  github.com/golang/protobuf/proto
  github.com/golang/protobuf/proto/proto3_proto
  github.com/golang/protobuf/proto/testdata
  github.com/golang/protobuf/protoc-gen-go
  github.com/golang/protobuf/protoc-gen-go/descriptor
  github.com/golang/protobuf/protoc-gen-go/generator
  github.com/golang/protobuf/protoc-gen-go/grpc
  github.com/golang/protobuf/protoc-gen-go/plugin
  github.com/golang/protobuf/protoc-gen-go/testdata
  github.com/golang/protobuf/protoc-gen-go/testdata/multi
  github.com/golang/protobuf/protoc-gen-go/testdata/my_test
  github.com/golang/protobuf/ptypes
  github.com/golang/protobuf/ptypes/any
  github.com/golang/protobuf/ptypes/duration
  github.com/golang/protobuf/ptypes/empty
  github.com/golang/protobuf/ptypes/struct
  github.com/golang/protobuf/ptypes/timestamp
  github.com/golang/protobuf/ptypes/wrappers
  github.com/hansrodtang
  github.com/hansrodtang/randomcolor
  github.com/kelseyhightower
  github.com/kelseyhightower/envconfig
  github.com/kelseyhightower/envconfig/testdata
  github.com/mattn
  github.com/mattn/go-isatty
  github.com/matttproud
  github.com/matttproud/golang_protobuf_extensions
  github.com/matttproud/golang_protobuf_extensions/ext
  github.com/matttproud/golang_protobuf_extensions/pbtest
  github.com/matttproud/golang_protobuf_extensions/pbutil
  github.com/mcuadros
  github.com/mcuadros/go-gin-prometheus
  github.com/mcuadros/go-gin-prometheus/example
  github.com/patrickmn
  github.com/patrickmn/go-cache
  github.com/prometheus
  github.com/prometheus/client_golang
  github.com/prometheus/client_golang/api
  github.com/prometheus/client_golang/api/prometheus
  github.com/prometheus/client_golang/examples
  github.com/prometheus/client_golang/examples/random
  github.com/prometheus/client_golang/examples/simple
  github.com/prometheus/client_golang/prometheus
  github.com/prometheus/client_golang/prometheus/promhttp
  github.com/prometheus/client_golang/prometheus/push
  github.com/prometheus/client_model
  github.com/prometheus/client_model/cpp
  github.com/prometheus/client_model/go
  github.com/prometheus/client_model/python
  github.com/prometheus/client_model/python/prometheus
  github.com/prometheus/client_model/python/prometheus/client
  github.com/prometheus/client_model/python/prometheus/client/model
  github.com/prometheus/client_model/ruby
  github.com/prometheus/client_model/ruby/lib
  github.com/prometheus/client_model/ruby/lib/prometheus
  github.com/prometheus/client_model/ruby/lib/prometheus/client
  github.com/prometheus/client_model/ruby/lib/prometheus/client/model
  github.com/prometheus/client_model/src
  github.com/prometheus/client_model/src/main
  github.com/prometheus/client_model/src/main/java
  github.com/prometheus/client_model/src/main/java/io
  github.com/prometheus/client_model/src/main/java/io/prometheus
  github.com/prometheus/client_model/src/main/java/io/prometheus/client
  github.com/prometheus/common
  github.com/prometheus/common/config
  github.com/prometheus/common/config/testdata
  github.com/prometheus/common/expfmt
  github.com/prometheus/common/expfmt/fuzz
  github.com/prometheus/common/expfmt/fuzz/corpus
  github.com/prometheus/common/expfmt/testdata
  github.com/prometheus/common/internal
  github.com/prometheus/common/internal/bitbucket.org
  github.com/prometheus/common/internal/bitbucket.org/ww
  github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
  github.com/prometheus/common/log
  github.com/prometheus/common/model
  github.com/prometheus/common/route
  github.com/prometheus/common/version
  github.com/prometheus/procfs
  github.com/prometheus/procfs/bcache
  github.com/prometheus/procfs/fixtures
  github.com/prometheus/procfs/fixtures/26231
  github.com/prometheus/procfs/fixtures/26231/fd
  github.com/prometheus/procfs/fixtures/26232
  github.com/prometheus/procfs/fixtures/26232/fd
  github.com/prometheus/procfs/fixtures/584
  github.com/prometheus/procfs/fixtures/buddyinfo
  github.com/prometheus/procfs/fixtures/buddyinfo/short
  github.com/prometheus/procfs/fixtures/buddyinfo/sizemismatch
  github.com/prometheus/procfs/fixtures/buddyinfo/valid
  github.com/prometheus/procfs/fixtures/fs
  github.com/prometheus/procfs/fixtures/fs/xfs
  github.com/prometheus/procfs/fixtures/net
  github.com/prometheus/procfs/fixtures/symlinktargets
  github.com/prometheus/procfs/sysfs
  github.com/prometheus/procfs/xfs
  github.com/sirupsen
  github.com/sirupsen/logrus
  github.com/sirupsen/logrus/examples
  github.com/sirupsen/logrus/examples/basic
  github.com/sirupsen/logrus/examples/hook
  github.com/sirupsen/logrus/hooks
  github.com/sirupsen/logrus/hooks/syslog
  github.com/sirupsen/logrus/hooks/test
  github.com/ugorji
  github.com/ugorji/go
  github.com/ugorji/go/codec
  github.com/ugorji/go/codec/codecgen
  golang.org
  golang.org/x
  golang.org/x/sys
  golang.org/x/sys/plan9
  golang.org/x/sys/unix
  golang.org/x/sys/unix/linux
  golang.org/x/sys/windows
  golang.org/x/sys/windows/registry
  golang.org/x/sys/windows/svc
  golang.org/x/sys/windows/svc/debug
  golang.org/x/sys/windows/svc/eventlog
  golang.org/x/sys/windows/svc/example
  golang.org/x/sys/windows/svc/mgr
  gopkg.in
  gopkg.in/go-playground
  gopkg.in/go-playground/validator.v8
  gopkg.in/go-playground/validator.v8/examples
  gopkg.in/go-playground/validator.v8/examples/custom
  gopkg.in/go-playground/validator.v8/examples/simple
  gopkg.in/go-playground/validator.v8/examples/struct-level
  gopkg.in/jarcoal
  gopkg.in/jarcoal/httpmock.v1
  gopkg.in/yaml.v2
Calculated the following directories to prune:
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/DeanThompson/ginpprof/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/beorn7/perks/histogram
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/beorn7/perks/topk
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/blang/semver/.gx
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/blang/semver/examples
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/elazarl/go-bindata-assetfs/go-bindata-assetfs
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/getsentry/raven-go/docs
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/getsentry/raven-go/docs/_sentryext
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/getsentry/raven-go/docs/integrations
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/getsentry/raven-go/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-contrib/gzip/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-contrib/static/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-contrib/static/example/bindata
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-contrib/static/example/bindata/data
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-contrib/static/example/simple
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/cache
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/cache/Godeps
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/cache/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/commonlog
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/cors
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/expvar
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/ginrus
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/ginrus/Godeps
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/ginrus/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/gzip
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/gzip/Godeps
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/gzip/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/jwt
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/jwt/Godeps
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/jwt/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/newrelic
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/renders
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/renders/multitemplate
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/rest
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/secure
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/secure/Godeps
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/secure/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/sessions
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/sessions/Godeps
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/sessions/example_cookie
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/sessions/example_redis
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/static
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/static/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/static/example/bindata
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/static/example/bindata/data
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/contrib/static/example/simple
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/binding/example
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/app-engine
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/auto-tls
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/basic
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/graceful-shutdown
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/graceful-shutdown/close
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/graceful-shutdown/graceful-shutdown
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/realtime-advanced
  /var/folders/qs/6r1dd8md22bggtghnmmhlf9m0000gn/T/dep127499256/github.com/gin-gonic/gin/examples/realtime-advanced/resources
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I got this crash with Travis first - https://travis-ci.org/cloudflare/unsee/builds/263965722#L503 - and was able to reproduce locally after pulling latest dep version.
Seems like might be regression from #968
@kashav kashav mentioned this issue Aug 13, 2017
Closed
ebati added a commit to ebati/dep that referenced this issue Aug 13, 2017
@ebati
Fixes golang#1003
2282d68
@ebati ebati mentioned this issue Aug 13, 2017
Merged
ebati added a commit to ebati/dep that referenced this issue Aug 13, 2017
@ebati
Fixes golang#1003
814ee6b
sdboyer added a commit that referenced this issue Aug 14, 2017
@sdboyer
Merge pull request #1005 from ebati/fix-1003
c0338b8 
Fixes #1003
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Fixes #1003 ebati/dep
Verify logger is non-nil in WriteDepTree
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@prymitive