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Add fuzzing target

This commit is contained in:
Andre Medeiros 2019-11-12 14:54:50 -05:00
parent 51d2371cf9
commit eaa7a0f280
5 changed files with 46 additions and 0 deletions
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4
.gitignore vendored
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@ -1 +1,5 @@
.idea
suppressions
corpus
crashers
whisperv6-fuzz.zip

25
Makefile
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@ -2,6 +2,10 @@ SHELL = /bin/bash
GO111MODULE = on
clean:
rm -rf crashers corpus suppressions whisperv6-fuzz.zip
.PHONY: clean
test:
go test -timeout 60s ./whisperv6/...
go test -timeout 30s ./shhclient/...
@ -16,5 +20,26 @@ vendor:
install-dev:
# a tool to vendor non-go files
go get github.com/goware/modvendor@latest
# a tool for fuzzing
go get github.com/dvyukov/go-fuzz/go-fuzz github.com/dvyukov/go-fuzz/go-fuzz-build
.PHONY: install-dev
# Couple things of note here are the use of the `ios` tag and disabling CGO
# altogether.
#
# On our fork of go-ethereum, we've tagged `metrics/cpu.go` as so not to have
# it built on the `ios` and `android` targets via a build tag. This diverges
# from the upstream implementation, which does not have these tags.
#
# Metrics are captured through the use of a library, `gosigar`, which is an
# abstraction for capturing this sort of info across different operating
# systems. On Linux, for instance, it reads from the proc filesystem, but on
# Darwin/OSX it'll use syscalls that need C.
#
# Disabling CGO here is also necessary, as the tool doesn't play well with CGO
# at all. The tag and the environment variable are the combination that makes
# this work.
fuzz:
CGO_ENABLED=0 go-fuzz-build -tags ios github.com/status-im/whisper/whisperv6
go-fuzz -bin=whisperv6-fuzz.zip
.PHONY: fuzz

1
go.mod
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@ -8,6 +8,7 @@ require (
github.com/btcsuite/btcd v0.0.0-20181013004428-67e573d211ac // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/deckarep/golang-set v1.7.1
github.com/dvyukov/go-fuzz v0.0.0-20191022152526-8cb203812681 // indirect
github.com/ethereum/go-ethereum v1.9.5
github.com/go-stack/stack v1.8.0 // indirect
github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect

2
go.sum
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@ -22,6 +22,8 @@ github.com/deckarep/golang-set v1.7.1 h1:SCQV0S6gTtp6itiFrTqI+pfmJ4LN85S1YzhDf9r
github.com/deckarep/golang-set v1.7.1/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
github.com/dgrijalva/jwt-go v0.0.0-20170201225849-2268707a8f08/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/docker/docker v0.0.0-20180625184442-8e610b2b55bf/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
github.com/dvyukov/go-fuzz v0.0.0-20191022152526-8cb203812681 h1:3WV5aRRj1ELP3RcLlBp/v0WJTuy47OQMkL9GIQq8QEE=
github.com/dvyukov/go-fuzz v0.0.0-20191022152526-8cb203812681/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
github.com/edsrzf/mmap-go v0.0.0-20160512033002-935e0e8a636c/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
github.com/elastic/gosigar v0.0.0-20180330100440-37f05ff46ffa h1:o8OuEkracbk3qH6GvlI6XpEN1HTSxkzOG42xZpfDv/s=
github.com/elastic/gosigar v0.0.0-20180330100440-37f05ff46ffa/go.mod h1:cdorVVzy1fhmEqmtgqkoE3bYtCfSCkVyjTyCIo22xvs=

14
whisperv6/fuzz.go Normal file
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@ -0,0 +1,14 @@
// +build gofuzz
package whisperv6
func Fuzz(data []byte) int {
if len(data) < 2 {
return -1
}
msg := &ReceivedMessage{Raw: data}
msg.ValidateAndParse()
return 0
}