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Code Issues Releases Wiki Activity

Populate seed corpus

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This commit is contained in:
Jay Berkenbilt 2019-06-15 11:20:55 -04:00
parent 9d31037489
commit e2c77bab89
3 changed files with 61 additions and 1 deletions
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1
.gitignore vendored
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@ -25,3 +25,4 @@ manual/html.xsl
manual/print.xsl manual/print.xsl
qpdf/build/ qpdf/build/
zlib-flate/build/ zlib-flate/build/
fuzz/qpdf_fuzzer_seed_corpus/

52
fuzz/build.mk
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@ -9,7 +9,7 @@ DEFAULT_FUZZ_RUNNER := standalone_fuzz_target_runner
OBJ_DEFAULT_FUZZ := fuzz/$(OUTPUT_DIR)/$(DEFAULT_FUZZ_RUNNER).$(OBJ) OBJ_DEFAULT_FUZZ := fuzz/$(OUTPUT_DIR)/$(DEFAULT_FUZZ_RUNNER).$(OBJ)
BINS_fuzz = $(foreach B,$(FUZZERS),fuzz/$(OUTPUT_DIR)/$(call binname,$(B))) BINS_fuzz = $(foreach B,$(FUZZERS),fuzz/$(OUTPUT_DIR)/$(call binname,$(B)))
TARGETS_fuzz = $(OBJ_DEFAULT_FUZZ) $(BINS_fuzz) TARGETS_fuzz = $(OBJ_DEFAULT_FUZZ) $(BINS_fuzz) fuzz_corpus
INCLUDES_fuzz = include INCLUDES_fuzz = include
@ -21,8 +21,58 @@ LIB_FUZZING_ENGINE ?= $(OBJ_DEFAULT_FUZZ)
# by oss-fuzz, it will be there. # by oss-fuzz, it will be there.
$(BINS_fuzz): $(TARGETS_libqpdf) $(OBJ_DEFAULT_FUZZ) $(BINS_fuzz): $(TARGETS_libqpdf) $(OBJ_DEFAULT_FUZZ)
# Files from the test suite that are good for seeding the fuzzer.
# Update $n_test_files in qtest/fuzz.test if you change this list.
SEED_CORPUS_FILES = \
field-types.pdf \
image-streams.pdf \
need-appearances.pdf \
outlines-with-actions.pdf \
outlines-with-old-root-dests.pdf \
page-labels-and-outlines.pdf \
page-labels-num-tree.pdf \
issue-99b.pdf \
issue-99.pdf \
issue-100.pdf \
issue-101.pdf \
issue-106.pdf \
issue-117.pdf \
issue-119.pdf \
issue-120.pdf \
issue-141a.pdf \
issue-141b.pdf \
issue-143.pdf \
issue-146.pdf \
issue-147.pdf \
issue-148.pdf \
issue-149.pdf \
issue-150.pdf \
issue-202.pdf \
issue-263.pdf \
issue-335a.pdf \
issue-335b.pdf
# ----- # -----
CORPUS_FROM_TEST := $(foreach F,$(SEED_CORPUS_FILES),qpdf/qtest/qpdf/$F)
CORPUS_DIR := fuzz/qpdf_fuzzer_seed_corpus
.PHONY: fuzz_corpus
fuzz_corpus:: fuzz/$(OUTPUT_DIR)/fuzz_corpus.stamp
$(foreach F,$(CORPUS_FROM_TEST),$(eval \
SHA1_$(notdir $(F)) := $(shell perl fuzz/get_sha1 < $F)))
$(foreach F,$(CORPUS_FROM_TEST),$(eval \
fuzz_corpus:: $(CORPUS_DIR)/$(SHA1_$(notdir $(F)))))
$(foreach F,$(CORPUS_FROM_TEST),$(eval \
$(CORPUS_DIR)/$(SHA1_$(notdir $(F))): $(F) ; \
mkdir -p $(CORPUS_DIR); \
cp $(F) $(CORPUS_DIR)/$(SHA1_$(notdir $(F)))))
fuzz/$(OUTPUT_DIR)/fuzz_corpus.stamp: fuzz/original-corpus.tar.gz $(CORPUS_FROM_TEST)
mkdir -p $(CORPUS_DIR)
(cd $(CORPUS_DIR); tar xzf ../original-corpus.tar.gz)
touch $@
$(foreach B,$(FUZZERS),$(eval \ $(foreach B,$(FUZZERS),$(eval \
OBJS_$(B) = $(call src_to_obj,fuzz/$(B).cc))) OBJS_$(B) = $(call src_to_obj,fuzz/$(B).cc)))

9
fuzz/get_sha1 Normal file
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@ -0,0 +1,9 @@
#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
use Digest::SHA;
binmode STDIN;
my $digest = Digest::SHA->new('sha1')->addfile(*STDIN)->hexdigest;
print "$digest\n";