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Add fuzzers for consensus diff backend code

Browse Source 
This takes two fuzzers: one which generates a diff and makes sure it
works, and one which applies a diff.

So far, they won't crash, but there's a bug in my
string-manipulation code someplace that I'm having to work around,
related to the case where you have a blank line at the end of a
file, or where you diff a file with itself.
This commit is contained in:
Nick Mathewson
2017-03-07 15:07:27 -05:00
parent 653c6d129e
commit dd92579b63
3 changed files with 178 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/test/fuzz/include.am
+46 -1
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@@ -48,6 +48,22 @@ src_test_fuzz_fuzz_descriptor_CFLAGS = $(FUZZING_CFLAGS)
src_test_fuzz_fuzz_descriptor_LDFLAGS = $(FUZZING_LDFLAG)
src_test_fuzz_fuzz_descriptor_LDADD = $(FUZZING_LIBS)
src_test_fuzz_fuzz_diff_SOURCES = \
src/test/fuzz/fuzzing_common.c \
src/test/fuzz/fuzz_diff.c
src_test_fuzz_fuzz_diff_CPPFLAGS = $(FUZZING_CPPFLAGS)
src_test_fuzz_fuzz_diff_CFLAGS = $(FUZZING_CFLAGS)
src_test_fuzz_fuzz_diff_LDFLAGS = $(FUZZING_LDFLAG)
src_test_fuzz_fuzz_diff_LDADD = $(FUZZING_LIBS)
src_test_fuzz_fuzz_diff_apply_SOURCES = \
src/test/fuzz/fuzzing_common.c \
src/test/fuzz/fuzz_diff_apply.c
src_test_fuzz_fuzz_diff_apply_CPPFLAGS = $(FUZZING_CPPFLAGS)
src_test_fuzz_fuzz_diff_apply_CFLAGS = $(FUZZING_CFLAGS)
src_test_fuzz_fuzz_diff_apply_LDFLAGS = $(FUZZING_LDFLAG)
src_test_fuzz_fuzz_diff_apply_LDADD = $(FUZZING_LIBS)
src_test_fuzz_fuzz_http_SOURCES = \
src/test/fuzz/fuzzing_common.c \
src/test/fuzz/fuzz_http.c
@@ -99,6 +115,8 @@ src_test_fuzz_fuzz_vrs_LDADD = $(FUZZING_LIBS)
FUZZERS = \
src/test/fuzz/fuzz-consensus \
src/test/fuzz/fuzz-descriptor \
src/test/fuzz/fuzz-diff \
src/test/fuzz/fuzz-diff-apply \
src/test/fuzz/fuzz-extrainfo \
src/test/fuzz/fuzz-http \
src/test/fuzz/fuzz-hsdescv2 \
@@ -106,7 +124,6 @@ FUZZERS = \
src/test/fuzz/fuzz-microdesc \
src/test/fuzz/fuzz-vrs
LIBFUZZER = /home/nickm/build/libfuzz/libFuzzer.a
LIBFUZZER_CPPFLAGS = $(FUZZING_CPPFLAGS) -DLLVM_FUZZ
LIBFUZZER_CFLAGS = $(FUZZING_CFLAGS)
@@ -128,6 +145,20 @@ src_test_fuzz_lf_fuzz_descriptor_CFLAGS = $(LIBFUZZER_CFLAGS)
src_test_fuzz_lf_fuzz_descriptor_LDFLAGS = $(LIBFUZZER_LDFLAG)
src_test_fuzz_lf_fuzz_descriptor_LDADD = $(LIBFUZZER_LIBS)
src_test_fuzz_lf_fuzz_diff_SOURCES = \
$(src_test_fuzz_fuzz_diff_SOURCES)
src_test_fuzz_lf_fuzz_diff_CPPFLAGS = $(LIBFUZZER_CPPFLAGS)
src_test_fuzz_lf_fuzz_diff_CFLAGS = $(LIBFUZZER_CFLAGS)
src_test_fuzz_lf_fuzz_diff_LDFLAGS = $(LIBFUZZER_LDFLAG)
src_test_fuzz_lf_fuzz_diff_LDADD = $(LIBFUZZER_LIBS)
src_test_fuzz_lf_fuzz_diff_apply_SOURCES = \
$(src_test_fuzz_fuzz_diff_apply_SOURCES)
src_test_fuzz_lf_fuzz_diff_apply_CPPFLAGS = $(LIBFUZZER_CPPFLAGS)
src_test_fuzz_lf_fuzz_diff_apply_CFLAGS = $(LIBFUZZER_CFLAGS)
src_test_fuzz_lf_fuzz_diff_apply_LDFLAGS = $(LIBFUZZER_LDFLAG)
src_test_fuzz_lf_fuzz_diff_apply_LDADD = $(LIBFUZZER_LIBS)
src_test_fuzz_lf_fuzz_extrainfo_SOURCES = \
$(src_test_fuzz_fuzz_extrainfo_SOURCES)
src_test_fuzz_lf_fuzz_extrainfo_CPPFLAGS = $(LIBFUZZER_CPPFLAGS)
@@ -172,6 +203,8 @@ src_test_fuzz_lf_fuzz_vrs_LDADD = $(LIBFUZZER_LIBS)
LIBFUZZER_FUZZERS = \
src/test/fuzz/lf-fuzz-consensus \
src/test/fuzz/lf-fuzz-diff \
src/test/fuzz/lf-fuzz-diff-apply \
src/test/fuzz/lf-fuzz-descriptor \
src/test/fuzz/lf-fuzz-extrainfo \
src/test/fuzz/lf-fuzz-http \
@@ -198,6 +231,16 @@ src_test_fuzz_liboss_fuzz_descriptor_a_SOURCES = \
src_test_fuzz_liboss_fuzz_descriptor_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS)
src_test_fuzz_liboss_fuzz_descriptor_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS)
src_test_fuzz_liboss_fuzz_diff_a_SOURCES = \
$(src_test_fuzz_fuzz_diff_SOURCES)
src_test_fuzz_liboss_fuzz_diff_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS)
src_test_fuzz_liboss_fuzz_diff_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS)
src_test_fuzz_liboss_fuzz_diff_apply_a_SOURCES = \
$(src_test_fuzz_fuzz_diff_apply_SOURCES)
src_test_fuzz_liboss_fuzz_diff_apply_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS)
src_test_fuzz_liboss_fuzz_diff_apply_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS)
src_test_fuzz_liboss_fuzz_extrainfo_a_SOURCES = \
$(src_test_fuzz_fuzz_extrainfo_SOURCES)
src_test_fuzz_liboss_fuzz_extrainfo_a_CPPFLAGS = $(LIBOSS_FUZZ_CPPFLAGS)
@@ -231,6 +274,8 @@ src_test_fuzz_liboss_fuzz_vrs_a_CFLAGS = $(LIBOSS_FUZZ_CFLAGS)
OSS_FUZZ_FUZZERS = \
src/test/fuzz/liboss-fuzz-consensus.a \
src/test/fuzz/liboss-fuzz-descriptor.a \
src/test/fuzz/liboss-fuzz-diff.a \
src/test/fuzz/liboss-fuzz-diff-apply.a \
src/test/fuzz/liboss-fuzz-extrainfo.a \
src/test/fuzz/liboss-fuzz-http.a \
src/test/fuzz/liboss-fuzz-hsdescv2.a \