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libfuzzer tweaks per recommendations

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This commit is contained in:
Nick Mathewson 2017-01-09 10:44:55 -05:00
parent 024fa9d4d7
commit 1b244a64e4
3 changed files with 83 additions and 3 deletions
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3
Makefile.am
View File

@ -56,7 +56,8 @@ TEST_NETWORK_FLAGS=--hs-multi-client 1
endif endif
if LIBFUZZER_ENABLED if LIBFUZZER_ENABLED
TEST_CFLAGS += -fsanitize-coverage=edge -fsanitize-coverage=trace-cmp TEST_CFLAGS += -fsanitize-coverage=trace-pc-guard,trace-cmp,trace-div
# not "edge"
endif endif
TEST_NETWORK_ALL_LOG_DIR=$(top_builddir)/test_network_log TEST_NETWORK_ALL_LOG_DIR=$(top_builddir)/test_network_log

5
configure.ac
View File

@ -50,7 +50,9 @@ AC_ARG_ENABLE(asserts-in-tests,
AC_ARG_ENABLE(system-torrc, AC_ARG_ENABLE(system-torrc,
AS_HELP_STRING(--disable-system-torrc, [don't look for a system-wide torrc file])) AS_HELP_STRING(--disable-system-torrc, [don't look for a system-wide torrc file]))
AC_ARG_ENABLE(libfuzzer, AC_ARG_ENABLE(libfuzzer,
AS_HELP_STRING(--libfuzzer, [build extra fuzzers based on 'libfuzzer'])) AS_HELP_STRING(--enable-libfuzzer, [build extra fuzzers based on 'libfuzzer']))
AC_ARG_ENABLE(oss-fuzz,
AS_HELP_STRING(--enable-oss-fuzz, [build extra fuzzers based on 'oss-fuzz' environment]))
if test "x$enable_coverage" != "xyes" -a "x$enable_asserts_in_tests" = "xno" ; then if test "x$enable_coverage" != "xyes" -a "x$enable_asserts_in_tests" = "xno" ; then
AC_MSG_ERROR([Can't disable assertions outside of coverage build]) AC_MSG_ERROR([Can't disable assertions outside of coverage build])
@ -60,6 +62,7 @@ AM_CONDITIONAL(UNITTESTS_ENABLED, test "x$enable_unittests" != "xno")
AM_CONDITIONAL(COVERAGE_ENABLED, test "x$enable_coverage" = "xyes") AM_CONDITIONAL(COVERAGE_ENABLED, test "x$enable_coverage" = "xyes")
AM_CONDITIONAL(DISABLE_ASSERTS_IN_UNIT_TESTS, test "x$enable_asserts_in_tests" = "xno") AM_CONDITIONAL(DISABLE_ASSERTS_IN_UNIT_TESTS, test "x$enable_asserts_in_tests" = "xno")
AM_CONDITIONAL(LIBFUZZER_ENABLED, test "x$enable_libfuzzer" = "xyes") AM_CONDITIONAL(LIBFUZZER_ENABLED, test "x$enable_libfuzzer" = "xyes")
AM_CONDITIONAL(OSS_FUZZ_ENABLED, test "x$enable_oss_fuzz" = "xyes")
if test "$enable_static_tor" = "yes"; then if test "$enable_static_tor" = "yes"; then
enable_static_libevent="yes"; enable_static_libevent="yes";

78
src/test/fuzz/include.am
View File

@ -175,6 +175,82 @@ else
LIBFUZZER_FUZZERS = LIBFUZZER_FUZZERS =
endif endif
noinst_PROGRAMS += $(FUZZERS) $(LIBFUZZER_FUZZERS) if OSS_FUZZ_ENABLED
OSS_FUZZ_CPPFLAGS = $(FUZZING_CPPFLAGS) -DLLVM_FUZZ
OSS_FUZZ_CFLAGS = $(FUZZING_CFLAGS)
OSS_FUZZ_LDFLAG = $(FUZZING_LDFLAG)
OSS_FUZZ_LIBS = $(FUZZING_LIBS) -lFuzzingEngine -lstdc++
src_test_fuzz_oss_fuzz_consensus_SOURCES = \
$(src_test_fuzz_fuzz_consensus_SOURCES)
src_test_fuzz_oss_fuzz_consensus_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_consensus_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_consensus_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_consensus_LDADD = $(OSS_FUZZ_LIBS)
src_test_fuzz_oss_fuzz_descriptor_SOURCES = \
$(src_test_fuzz_fuzz_descriptor_SOURCES)
src_test_fuzz_oss_fuzz_descriptor_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_descriptor_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_descriptor_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_descriptor_LDADD = $(OSS_FUZZ_LIBS)
src_test_fuzz_oss_fuzz_extrainfo_SOURCES = \
$(src_test_fuzz_fuzz_extrainfo_SOURCES)
src_test_fuzz_oss_fuzz_extrainfo_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_extrainfo_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_extrainfo_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_extrainfo_LDADD = $(OSS_FUZZ_LIBS)
src_test_fuzz_oss_fuzz_http_SOURCES = \
$(src_test_fuzz_fuzz_http_SOURCES)
src_test_fuzz_oss_fuzz_http_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_http_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_http_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_http_LDADD = $(OSS_FUZZ_LIBS)
src_test_fuzz_oss_fuzz_hsdescv2_SOURCES = \
$(src_test_fuzz_fuzz_hsdescv2_SOURCES)
src_test_fuzz_oss_fuzz_hsdescv2_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_hsdescv2_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_hsdescv2_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_hsdescv2_LDADD = $(OSS_FUZZ_LIBS)
src_test_fuzz_oss_fuzz_iptsv2_SOURCES = \
$(src_test_fuzz_fuzz_iptsv2_SOURCES)
src_test_fuzz_oss_fuzz_iptsv2_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_iptsv2_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_iptsv2_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_iptsv2_LDADD = $(OSS_FUZZ_LIBS)
src_test_fuzz_oss_fuzz_microdesc_SOURCES = \
$(src_test_fuzz_fuzz_microdesc_SOURCES)
src_test_fuzz_oss_fuzz_microdesc_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_microdesc_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_microdesc_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_microdesc_LDADD = $(OSS_FUZZ_LIBS)
src_test_fuzz_oss_fuzz_vrs_SOURCES = \
$(src_test_fuzz_fuzz_vrs_SOURCES)
src_test_fuzz_oss_fuzz_vrs_CPPFLAGS = $(OSS_FUZZ_CPPFLAGS)
src_test_fuzz_oss_fuzz_vrs_CFLAGS = $(OSS_FUZZ_CFLAGS)
src_test_fuzz_oss_fuzz_vrs_LDFLAGS = $(OSS_FUZZ_LDFLAG)
src_test_fuzz_oss_fuzz_vrs_LDADD = $(OSS_FUZZ_LIBS)
OSS_FUZZ_FUZZERS = \
src/test/fuzz/oss-fuzz-consensus \
src/test/fuzz/oss-fuzz-descriptor \
src/test/fuzz/oss-fuzz-extrainfo \
src/test/fuzz/oss-fuzz-http \
src/test/fuzz/oss-fuzz-hsdescv2 \
src/test/fuzz/oss-fuzz-iptsv2 \
src/test/fuzz/oss-fuzz-microdesc \
src/test/fuzz/oss-fuzz-vrs
else
OSS_FUZZ_FUZZERS
endif
noinst_PROGRAMS += $(FUZZERS) $(LIBFUZZER_FUZZERS) $(OSS_FUZZ_FUZZERS)
oss-fuzz-fuzzers: $(OSS_FUZZ_FUZZERS)
fuzzers: $(FUZZERS) $(LIBFUZZER_FUZZERS) fuzzers: $(FUZZERS) $(LIBFUZZER_FUZZERS)