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Problem: fuzzer corpus file can be quite large

Browse Source 
Solution: move all corpora to the zeromq/libzmq-fuzz-corpora repository
for easier handling, and to avoid inflating the size of zeromq/libzmq.
Clone it for the CI on the fly.
This commit is contained in:
Luca Boccassi 2020-07-04 14:53:03 +01:00
parent 61c7ae0610
commit e95e57d385
19 changed files with 94 additions and 138 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
Makefile.am
View File

@ -1187,47 +1187,6 @@ endif
FUZZINGdir = ${prefix}/${FUZZING_INSTALLDIR}
FUZZING_PROGRAMS = ${fuzzer_apps}
FUZZING_DATA = tests/fuzzer_corpora/endpoint.dict tests/fuzzer_corpora/zmtp.dict \
tests/fuzzer_corpora/test_bind_curve_fuzzer.txt tests/fuzzer_corpora/test_bind_null_fuzzer.txt \
tests/fuzzer_corpora/test_connect_curve_fuzzer.txt tests/fuzzer_corpora/test_connect_null_fuzzer.txt
install-data-hook:
$(LN_S) -r -f $(DESTDIR)/$(FUZZINGdir)/endpoint.dict $(DESTDIR)/$(FUZZINGdir)/test_bind_fuzzer.dict
$(LN_S) -r -f $(DESTDIR)/$(FUZZINGdir)/endpoint.dict $(DESTDIR)/$(FUZZINGdir)/test_connect_fuzzer.dict
$(LN_S) -r -f $(DESTDIR)/$(FUZZINGdir)/zmtp.dict $(DESTDIR)/$(FUZZINGdir)/test_bind_curve_fuzzer.dict
$(LN_S) -r -f $(DESTDIR)/$(FUZZINGdir)/zmtp.dict $(DESTDIR)/$(FUZZINGdir)/test_bind_null_fuzzer.dict
$(LN_S) -r -f $(DESTDIR)/$(FUZZINGdir)/zmtp.dict $(DESTDIR)/$(FUZZINGdir)/test_connect_curve_fuzzer.dict
$(LN_S) -r -f $(DESTDIR)/$(FUZZINGdir)/zmtp.dict $(DESTDIR)/$(FUZZINGdir)/test_connect_null_fuzzer.dict
$(shell while read -r test; do \
echo -n $$test | perl -e 'print pack "H*", <STDIN>' > $(DESTDIR)/$(FUZZINGdir)/test_bind_curve_fuzzer.seed; \
export fn=$$(cat $(DESTDIR)/$(FUZZINGdir)/test_bind_curve_fuzzer.seed | sha1sum | awk '{print $$1}'); \
mv $(DESTDIR)/$(FUZZINGdir)/test_bind_curve_fuzzer.seed $(DESTDIR)/$(FUZZINGdir)/$$fn; \
zip -j -m -g --quiet $(DESTDIR)/$(FUZZINGdir)/test_bind_curve_fuzzer_seed_corpus.zip $(DESTDIR)/$(FUZZINGdir)/$$fn; \
done < $(DESTDIR)/$(FUZZINGdir)/test_bind_curve_fuzzer.txt)
$(shell while read -r test; do \
echo -n $$test | perl -e 'print pack "H*", <STDIN>' > $(DESTDIR)/$(FUZZINGdir)/test_bind_null_fuzzer.seed; \
export fn=$$(cat $(DESTDIR)/$(FUZZINGdir)/test_bind_null_fuzzer.seed | sha1sum | awk '{print $$1}'); \
mv $(DESTDIR)/$(FUZZINGdir)/test_bind_null_fuzzer.seed $(DESTDIR)/$(FUZZINGdir)/$$fn; \
zip -j -m -g --quiet $(DESTDIR)/$(FUZZINGdir)/test_bind_null_fuzzer_seed_corpus.zip $(DESTDIR)/$(FUZZINGdir)/$$fn; \
done < $(DESTDIR)/$(FUZZINGdir)/test_bind_null_fuzzer.txt)
$(shell while read -r test; do \
echo -n $$test | perl -e 'print pack "H*", <STDIN>' > $(DESTDIR)/$(FUZZINGdir)/test_connect_curve_fuzzer.seed; \
export fn=$$(cat $(DESTDIR)/$(FUZZINGdir)/test_connect_curve_fuzzer.seed | sha1sum | awk '{print $$1}'); \
mv $(DESTDIR)/$(FUZZINGdir)/test_connect_curve_fuzzer.seed $(DESTDIR)/$(FUZZINGdir)/$$fn; \
zip -j -m -g --quiet $(DESTDIR)/$(FUZZINGdir)/test_connect_curve_fuzzer_seed_corpus.zip $(DESTDIR)/$(FUZZINGdir)/$$fn; \
done < $(DESTDIR)/$(FUZZINGdir)/test_connect_curve_fuzzer.txt)
$(shell while read -r test; do \
echo -n $$test | perl -e 'print pack "H*", <STDIN>' > $(DESTDIR)/$(FUZZINGdir)/test_connect_null_fuzzer.seed; \
export fn=$$(cat $(DESTDIR)/$(FUZZINGdir)/test_connect_null_fuzzer.seed | sha1sum | awk '{print $$1}'); \
mv $(DESTDIR)/$(FUZZINGdir)/test_connect_null_fuzzer.seed $(DESTDIR)/$(FUZZINGdir)/$$fn; \
zip -j -m -g --quiet $(DESTDIR)/$(FUZZINGdir)/test_connect_null_fuzzer_seed_corpus.zip $(DESTDIR)/$(FUZZINGdir)/$$fn; \
done < $(DESTDIR)/$(FUZZINGdir)/test_connect_null_fuzzer.txt)
$(shell while read -r test; do \
echo -n $$test | perl -e 'print pack "H*", <STDIN>' > $(DESTDIR)/$(FUZZINGdir)/test_bind_fuzzer.seed; \
export fn=$$(cat $(DESTDIR)/$(FUZZINGdir)/test_bind_fuzzer.seed | sha1sum | awk '{print $$1}'); \
mv $(DESTDIR)/$(FUZZINGdir)/test_bind_fuzzer.seed $(DESTDIR)/$(FUZZINGdir)/$$fn; \
zip -j -m -g --quiet $(DESTDIR)/$(FUZZINGdir)/test_bind_fuzzer.zip $(DESTDIR)/$(FUZZINGdir)/$$fn; \
done < $(DESTDIR)/$(FUZZINGdir)/test_bind_fuzzer.txt)
rm -f $(DESTDIR)/$(FUZZINGdir)/*.txt
else
test_apps += tests/test_bind_null_fuzzer \
tests/test_connect_null_fuzzer \
@ -1378,9 +1337,6 @@ EXTRA_DIST = \
src/version.rc.in \
tests/CMakeLists.txt \
tests/test_pair_tcp_cap_net_admin.cpp \
tests/fuzzer_corpora/endpoint.dict tests/fuzzer_corpora/zmtp.dict \
tests/fuzzer_corpora/test_bind_curve_fuzzer.txt tests/fuzzer_corpora/test_bind_null_fuzzer.txt \
tests/fuzzer_corpora/test_connect_curve_fuzzer.txt tests/fuzzer_corpora/test_connect_null_fuzzer.txt \
unittests/CMakeLists.txt \
tools/curve_keygen.cpp

6
builds/fuzz/ci_build.sh
View File

@ -16,4 +16,10 @@ export CXXFLAGS+=" $(PKG_CONFIG_PATH=/tmp/zmq_install_dir/install_prefix/lib/pkg
./configure --disable-shared --prefix=/install_prefix --disable-perf --disable-curve-keygen PKG_CONFIG_PATH=/tmp/zmq_install_dir/install_prefix/lib/pkgconfig --with-libsodium=yes --with-fuzzing-installdir=fuzzers --with-fuzzing-engine=$LIB_FUZZING_ENGINE
make -j$(nproc) V=1 install DESTDIR=/tmp/zmq_install_dir
cd "${SRC}/libzmq-fuzz-corpora"
cp dictionaries/* /tmp/zmq_install_dir/install_prefix/fuzzers/
for t in test_*_seed_corpus; do
zip -j --quiet /tmp/zmq_install_dir/install_prefix/fuzzers/${t}.zip ${t}/*
done
cp /tmp/zmq_install_dir/install_prefix/fuzzers/* "${OUT}"

1
ci_build.sh
View File

@ -20,6 +20,7 @@ if [ $BUILD_TYPE = "default" ]; then
CONFIG_OPTS+=("--enable-address-sanitizer=yes")
# distcheck does an out-of-tree build, and the fuzzer tests use a hard-coded relative path for simplicity
CHECK="check"
git clone --depth 1 https://github.com/zeromq/libzmq-fuzz-corpora.git tests/libzmq-fuzz-corpora
fi
if [ "$USE_NSS" = "yes" ]; then

4
tests/fuzzer_corpora/endpoint.dict
View File

@ -1,4 +0,0 @@
ipc="ipc://"
inproc="inproc://"
tcp="tcp://"
udp="udp://"

1
tests/fuzzer_corpora/test_bind_curve_fuzzer.txt
View File

@ -1 +0,0 @@
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

1
tests/fuzzer_corpora/test_bind_fuzzer.txt
View File

@ -1 +0,0 @@
77733a2f2f253a39

2
tests/fuzzer_corpora/test_bind_null_fuzzer.txt
View File

@ -1,2 +0,0 @@
ff00000000000000017f03014e554c4c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004190552454144590b536f636b65742d5479706500000003535542040a09535542534352494245
ff000000200000000000008585858585000000000000004700280000000000000000002100006d000028000000000000000000000000000004000019

1
tests/fuzzer_corpora/test_connect_curve_fuzzer.txt
View File

@ -1 +0,0 @@
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

1
tests/fuzzer_corpora/test_connect_null_fuzzer.txt
View File

@ -1 +0,0 @@
ff00000000000000017f03014e554c4c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000041a0552454144590b536f636b65742d547970650000000458505542000568656c6c6f0005776f726c64

1
tests/fuzzer_corpora/test_z85_decode_fuzzer.txt
View File

@ -1 +0,0 @@
46555a5a2d54414746555a5ad6514147ec

45
tests/fuzzer_corpora/zmtp.dict
View File

@ -1,45 +0,0 @@
# ZMTP magic binary streams
# 1.0 https://rfc.zeromq.org/spec/13/
# 2.0 https://rfc.zeromq.org/spec/15/
# 3.1 https://rfc.zeromq.org/spec/37/
# curve https://rfc.zeromq.org/spec/26/
signature="\xFF\x00\x00\x00\x00\x00\x00\x00\x00\x7F"
signature_v1="\x01\x00"
version_v2="\x01"
version_v3="\x03\x00"
version_v3_1="\x03\x01"
mechanism_null="\x4E\x55\x4C\x4C\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
mechanism_curve="\x43\x55\x52\x56\x45\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
short_command="\x04"
long_command="\x06"
ready="\x05\x52\x45\x41\x44\x59"
error="\x05\x45\x52\x52\x4F\x52"
identity="\x08\x49\x64\x65\x6E\x74\x69\x74\x79"
socket_type="\x0B\x53\x6F\x63\x6B\x65\x74\x2D\x54\x79\x70\x65"
dealer="\x06\x44\x45\x41\x4C\x45\x52"
router="\x06\x52\x4F\x55\x54\x45\x52"
pub="\x03\x50\x55\x42"
sub="\x03\x53\x55\x42"
xpub="\x04\x58\x50\x55\x42"
xsub="\x04\x58\x53\x55\x42"
req="\x03\x52\x45\x51"
rep="\x03\x52\x45\x50"
push="\x04\x50\x55\x53\x48"
pull="\x04\x50\x55\x4C\x4C"
pair="\x04\x50\x41\x49\x52"
client="\x05\x43\x4C\x49\x45\x4E\x54"
server="\x05\x53\x45\x52\x56\x45\x52"
radio="\x05\x52\x41\x44\x49\x4F"
dish="\x04\x44\x49\x53\x48"
scatter="\x06\x53\x43\x41\x54\x54\x45\x52"
gather="\x06\x47\x41\x54\x48\x45\x52"
subscribe="\x09\x53\x55\x42\x53\x43\x52\x49\x42\x45"
cancel="\x06\x43\x41\x4E\x43\x45\x4C"
join="\x04\x4A\x4F\x49\x4E"
leave="\x05\x43\x41\x4E\x43\x45\x4C"
ping="\x04\x50\x49\x4E\x47"
pong="\x04\x50\x4F\x4E\x47"
hello="\x05\x48\x45\x4C\x4C\x4F\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
welcome="\x07\x57\x45\x4C\x43\x4F\x4D\x45"
initiate="\x08\x49\x4E\x49\x54\x49\x41\x54\x45"
message="\x07\x4D\x45\x53\x53\x41\x47\x45"

5
tests/test_bind_curve_fuzzer.cpp
View File

@ -122,8 +122,9 @@ void test_bind_curve_fuzzer ()
{
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode ("tests/fuzzer_corpora/test_bind_curve_fuzzer.txt",
&data, &len, &num_cases)
if (fuzzer_corpus_encode (
"tests/libzmq-fuzz-corpora/test_bind_curve_fuzzer_seed_corpus", &data,
&len, &num_cases)
!= 0)
exit (77);

5
tests/test_bind_fuzzer.cpp
View File

@ -68,8 +68,9 @@ void test_bind_fuzzer ()
{
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode ("tests/fuzzer_corpora/test_bind_fuzzer.txt",
&data, &len, &num_cases)
if (fuzzer_corpus_encode (
"tests/libzmq-fuzz-corpora/test_bind_fuzzer_seed_corpus", &data, &len,
&num_cases)
!= 0)
exit (77);

5
tests/test_bind_null_fuzzer.cpp
View File

@ -85,8 +85,9 @@ void test_bind_null_fuzzer ()
{
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode ("tests/fuzzer_corpora/test_bind_null_fuzzer.txt",
&data, &len, &num_cases)
if (fuzzer_corpus_encode (
"tests/libzmq-fuzz-corpora/test_bind_null_fuzzer_seed_corpus", &data,
&len, &num_cases)
!= 0)
exit (77);

4
tests/test_connect_curve_fuzzer.cpp
View File

@ -112,8 +112,8 @@ void test_connect_curve_fuzzer ()
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode (
"tests/fuzzer_corpora/test_connect_curve_fuzzer.txt", &data, &len,
&num_cases)
"tests/libzmq-fuzz-corpora/test_connect_curve_fuzzer_seed_corpus",
&data, &len, &num_cases)
!= 0)
exit (77);

16
tests/test_connect_fuzzer.cpp
View File

@ -53,10 +53,22 @@ extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
#ifndef ZMQ_USE_FUZZING_ENGINE
void test_connect_fuzzer ()
{
uint8_t buffer[32] = {0};
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode (
"tests/libzmq-fuzz-corpora/test_connect_fuzzer_seed_corpus", &data,
&len, &num_cases)
!= 0)
exit (77);
while (num_cases-- > 0) {
TEST_ASSERT_SUCCESS_ERRNO (
LLVMFuzzerTestOneInput (buffer, sizeof (buffer)));
LLVMFuzzerTestOneInput (data[num_cases], len[num_cases]));
free (data[num_cases]);
}
free (data);
free (len);
}
int main (int argc, char **argv)

4
tests/test_connect_null_fuzzer.cpp
View File

@ -91,8 +91,8 @@ void test_connect_null_fuzzer ()
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode (
"tests/fuzzer_corpora/test_connect_null_fuzzer.txt", &data, &len,
&num_cases)
"tests/libzmq-fuzz-corpora/test_connect_null_fuzzer_seed_corpus",
&data, &len, &num_cases)
!= 0)
exit (77);

5
tests/test_z85_decode_fuzzer.cpp
View File

@ -62,8 +62,9 @@ void test_z85_decode_fuzzer ()
{
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode ("tests/fuzzer_corpora/test_z85_decode_fuzzer.txt",
&data, &len, &num_cases)
if (fuzzer_corpus_encode (
"tests/libzmq-fuzz-corpora/test_z85_decode_fuzzer_seed_corpus", &data,
&len, &num_cases)
!= 0)
exit (77);

79
tests/testutil.cpp
View File

@ -60,6 +60,7 @@
#include <net/if.h>
#include <netdb.h>
#include <sys/un.h>
#include <dirent.h>
#if defined(ZMQ_HAVE_AIX)
#include <sys/types.h>
#include <sys/socketvar.h>
@ -519,50 +520,82 @@ bool strneq (const char *lhs_, const char *rhs_)
return strcmp (lhs_, rhs_) != 0;
}
int fuzzer_corpus_encode (const char *filename,
#if defined _WIN32
int fuzzer_corpus_encode (const char *dirname,
uint8_t ***data,
size_t **len,
size_t *num_cases)
{
TEST_ASSERT_NOT_NULL (filename);
(void) dirname;
(void) data;
(void) len;
(void) num_cases;
return -1;
}
#else
int fuzzer_corpus_encode (const char *dirname,
uint8_t ***data,
size_t **len,
size_t *num_cases)
{
TEST_ASSERT_NOT_NULL (dirname);
TEST_ASSERT_NOT_NULL (data);
TEST_ASSERT_NOT_NULL (len);
FILE *f = fopen (filename, "r");
if (!f)
struct dirent *ent;
DIR *dir = opendir (dirname);
if (!dir)
return -1;
fseek (f, 0, SEEK_END);
size_t text_len = ftell (f) + 1;
fseek (f, 0, SEEK_SET);
char *buf = (char *) malloc (text_len);
TEST_ASSERT_NOT_NULL (buf);
*len = NULL;
*data = NULL;
*num_cases = 0;
// Convert to binary format, corpus is stored in ascii (hex)
while (fgets (buf, (int) text_len, f)) {
while ((ent = readdir (dir)) != NULL) {
if (!strcmp (ent->d_name, ".") || !strcmp (ent->d_name, ".."))
continue;
char *filename =
(char *) malloc (strlen (dirname) + strlen (ent->d_name) + 2);
TEST_ASSERT_NOT_NULL (filename);
strcpy (filename, dirname);
strcat (filename, "/");
strcat (filename, ent->d_name);
FILE *f = fopen (filename, "r");
free (filename);
if (!f)
continue;
fseek (f, 0, SEEK_END);
size_t file_len = ftell (f);
fseek (f, 0, SEEK_SET);
if (file_len == 0) {
fclose (f);
continue;
}
*len = (size_t *) realloc (*len, (*num_cases + 1) * sizeof (size_t));
TEST_ASSERT_NOT_NULL (*len);
*(*len + *num_cases) = strlen (buf) / 2;
*(*len + *num_cases) = file_len;
*data =
(uint8_t **) realloc (*data, (*num_cases + 1) * sizeof (uint8_t *));
TEST_ASSERT_NOT_NULL (*data);
*(*data + *num_cases) =
(uint8_t *) malloc (*(*len + *num_cases) * sizeof (uint8_t));
(uint8_t *) malloc (file_len * sizeof (uint8_t));
TEST_ASSERT_NOT_NULL (*(*data + *num_cases));
const char *pos = buf;
for (size_t count = 0; count < *(*len + *num_cases);
++count, pos += 2) {
char tmp[3] = {pos[0], pos[1], 0};
*(*(*data + *num_cases) + count) = (uint8_t) strtol (tmp, NULL, 16);
}
size_t read_bytes = 0;
read_bytes = fread (*(*data + *num_cases), 1, file_len, f);
TEST_ASSERT_EQUAL (file_len, read_bytes);
(*num_cases)++;
fclose (f);
}
free (buf);
fclose (f);
closedir (dir);
return 0;
}
#endif