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Asmod4nAsmod4n
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add fuzzing and interop tests: they all pass
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16,284 files changed

Lines changed: 6963 additions & 60 deletions

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‎.gitignore‎

Lines changed: 1 addition & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -58,6 +58,4 @@ mruby
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.cache
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build_config.rb.lock
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compile_commands.json
61-
/test.rb
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test2.rb
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twitter.json
61+
findings

‎build_config.rb‎

Lines changed: 2 additions & 1 deletion
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@@ -12,7 +12,8 @@ def for_windows?
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conf.cc.defines << 'MRB_UTF8_STRING'
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conf.cxx.defines << 'MRB_UTF8_STRING'
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conf.enable_test
15-
conf.gembox 'default'
15+
conf.gem core: 'mruby-bigint'
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conf.gem core: 'mruby-bin-mruby'
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#conf.cc.flags << '-O3' << '-march=native'
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#conf.cxx.flags << '-O3' << '-march=native'
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conf.gem github: 'Asmod4n/mruby-benchmark-plus', branch: "main"

‎fuzz/Rakefile‎

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require 'rake'
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require 'fileutils'
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MRUBY_CONFIG_PATH = File.expand_path(ENV["MRUBY_CONFIG"] || "build_config.rb")
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file :mruby do
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unless File.directory?('mruby')
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sh "git clone --depth=1 https://github.com/mruby/mruby.git"
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end
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end
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desc "compile binary"
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task :compile => :mruby do
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Dir.chdir("mruby") do
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ENV["MRUBY_CONFIG"] = MRUBY_CONFIG_PATH
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sh "rake all"
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end
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end
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desc "test"
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task :test => :mruby do
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Dir.chdir("mruby") do
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ENV["MRUBY_CONFIG"] = MRUBY_CONFIG_PATH
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sh "rake all test"
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end
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end
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desc "cleanup"
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task :clean do
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Dir.chdir("mruby") do
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ENV["MRUBY_CONFIG"] = MRUBY_CONFIG_PATH
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sh "rake deep_clean"
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end
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end
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task :default => :test

‎fuzz/bintest/mruby-cbor-fuzzer.rb‎

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@@ -0,0 +1,66 @@
1+
require 'open3'
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require 'fileutils'
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GEM_ROOT = File.expand_path('../', __dir__)
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CORPUS_DIR = File.join(GEM_ROOT, 'corpus')
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DICT_FILE = File.join(GEM_ROOT, 'cbor.dict')
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assert('mruby-cbor-fuzzer: no crashes in fuzzing run') do
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findings_dir = File.join(GEM_ROOT, 'findings')
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FileUtils.mkdir_p(findings_dir)
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12+
cmd = cmd_list('mruby-cbor-fuzzer') + [
13+
CORPUS_DIR,
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"-dict=#{DICT_FILE}",
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"-jobs=7",
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"-artifact_prefix=#{findings_dir}/",
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"-max_len=4096",
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"-ignore_ooms=0"
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]
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Dir.chdir(findings_dir) do
22+
pid = Process.spawn(*cmd, out: '/dev/null', err: '/dev/null')
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Process.detach(pid)
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# Kill fuzzer on Ctrl+C
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trap('INT') do
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puts "\nKilling fuzzer..."
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Process.kill(9, pid)
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exit(1)
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end
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end
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sleep 0.1 until (0..6).all? { |n| File.exist?(File.join(findings_dir, "fuzz-#{n}.log")) }
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threads = (0..6).map do |n|
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log = File.join(findings_dir, "fuzz-#{n}.log")
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Thread.new do
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File.open(log) do |f|
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loop do
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line = f.gets
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line ? $stderr.print("[#{n}] #{line}") : sleep(0.05)
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GC.start
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end
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end
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end
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end
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loop do
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done = (0..6).count do |n|
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log = File.join(findings_dir, "fuzz-#{n}.log")
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File.exist?(log) && File.read(log) =~ /Done \d+|SUMMARY:/
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end
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break if done == 16
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sleep 5
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end
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threads.each(&:kill)
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crashes = (0..6).select do |n|
60+
log = File.join(findings_dir, "fuzz-#{n}.log")
61+
File.exist?(log) && File.read(log).include?('SUMMARY:')
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end
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assert_true crashes.empty?,
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"crashes in workers: #{crashes.map { |n| "fuzz-#{n}.log" }.join(', ')}"
66+
end

‎fuzz/build_config.rb‎

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@@ -0,0 +1,12 @@
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MRuby::Build.new do |conf|
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conf.toolchain :clang
3+
4+
conf.enable_sanitizer "address,undefined"
5+
6+
conf.enable_debug
7+
conf.enable_bintest
8+
conf.cc.defines << 'MRB_UTF8_STRING' << 'MRB_PROFILE_HIGH'
9+
conf.cxx.defines << 'MRB_UTF8_STRING' << 'MRB_PROFILE_HIGH'
10+
conf.gem '../'
11+
conf.gem File.expand_path(__dir__)
12+
end

‎fuzz/cbor.dict‎

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"\x00"
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"\x01"
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"\x17"
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"\x18\x00"
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"\x18\xff"
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"\x19\x00\x00"
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"\x19\xff\xff"
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"\x1a\x00\x00\x00\x00"
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"\x1a\xff\xff\xff\xff"
10+
"\x1b\x00\x00\x00\x00\x00\x00\x00\x00"
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"\x1b\xff\xff\xff\xff\xff\xff\xff\xff"
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13+
"\x20"
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"\x37"
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"\x38\x00"
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"\x38\xff"
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"\x39\x00\x00"
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"\x39\xff\xff"
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"\x3a\x00\x00\x00\x00"
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"\x3a\xff\xff\xff\xff"
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"\x3b\x00\x00\x00\x00\x00\x00\x00\x00"
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"\x3b\xff\xff\xff\xff\xff\xff\xff\xff"
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"\x40"
25+
"\x41"
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"\x57"
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"\x58\x00"
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"\x58\x18"
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"\x58\xff"
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"\x59\x00\x00"
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"\x5a\x00\x00\x00\x00"
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"\x5b\x00\x00\x00\x00\x00\x00\x00\x00"
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"\x60"
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"\x61"
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"\x77"
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"\x78\x00"
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"\x78\xff"
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"\x79\x00\x00"
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"\x7a\x00\x00\x00\x00"
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"\x7b\x00\x00\x00\x00\x00\x00\x00\x00"
42+
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"\x80"
44+
"\x81"
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"\x97"
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"\x98\x00"
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"\x98\xff"
48+
"\x99\x00\x00"
49+
"\x9a\x00\x00\x00\x00"
50+
"\x9b\x00\x00\x00\x00\x00\x00\x00\x00"
51+
52+
"\xa0"
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"\xa1"
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"\xb7"
55+
"\xb8\x00"
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"\xb8\xff"
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"\xb9\x00\x00"
58+
"\xba\x00\x00\x00\x00"
59+
"\xbb\x00\x00\x00\x00\x00\x00\x00\x00"
60+
61+
"\xc0"
62+
"\xc1"
63+
"\xc2"
64+
"\xc3"
65+
"\xc4"
66+
"\xc5"
67+
"\xc6"
68+
"\xc7"
69+
"\xc8"
70+
"\xc9"
71+
"\xca"
72+
"\xd5"
73+
"\xd6"
74+
"\xd7"
75+
"\xd8\x18"
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"\xd8\x1c"
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"\xd8\x1d"
78+
"\xd8\x20"
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"\xd8\x21"
80+
"\xd8\x22"
81+
"\xd8\x23"
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"\xd8\x24"
83+
"\xd9\x00\x00"
84+
"\xda\x00\x00\x00\x00"
85+
"\xdb\x00\x00\x00\x00\x00\x00\x00\x00"
86+
87+
"\xf4"
88+
"\xf5"
89+
"\xf6"
90+
"\xf7"
91+
"\xf8\x00"
92+
"\xf8\x10"
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"\xf8\xff"
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"\xf9\x00\x00"
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"\xf9\x7c\x00"
96+
"\xf9\x7e\x00"
97+
"\xf9\xfc\x00"
98+
"\xf9\x80\x00"
99+
"\xfa\x00\x00\x00\x00"
100+
"\xfa\x3f\x80\x00\x00"
101+
"\xfa\x7f\x80\x00\x00"
102+
"\xfa\x7f\xc0\x00\x00"
103+
"\xfa\xff\x80\x00\x00"
104+
"\xfb\x00\x00\x00\x00\x00\x00\x00\x00"
105+
"\xfb\x3f\xf0\x00\x00\x00\x00\x00\x00"
106+
"\xfb\x7f\xf0\x00\x00\x00\x00\x00\x00"
107+
"\xfb\x7f\xf8\x00\x00\x00\x00\x00\x00"
108+
"\xfb\xff\xf0\x00\x00\x00\x00\x00\x00"
109+
"\xfb\x80\x00\x00\x00\x00\x00\x00\x00"

‎fuzz/corpus/0007d2f56f26728e2eedc0d4a43d80936ec63d30‎

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����

‎fuzz/corpus/000cdc0ec80762c7fbee407b6ce944a5090a66ea‎

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‎fuzz/corpus/000e253430cff89957a86c5b5df7a1878ae49364‎

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‎fuzz/corpus/000f0fe646ec7b927d032baca6bbbd96333e98c5‎

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