merge bitcoin#21000: Add UBSan suppressions needed for fuzz tests to not warn under -fsanitize=integer

Author: kwvg

src/test/fuzz/crypto_chacha20_poly1305_aead.cpp

@@ -46,18 +46,24 @@ FUZZ_TARGET(crypto_chacha20_poly1305_aead)
                 assert(ok);
             },
             [&] {
+                if (AdditionOverflow(seqnr_payload, static_cast<uint64_t>(1))) {
+                    return;
+                }
                 seqnr_payload += 1;
                 aad_pos += CHACHA20_POLY1305_AEAD_AAD_LEN;
                 if (aad_pos + CHACHA20_POLY1305_AEAD_AAD_LEN > CHACHA20_ROUND_OUTPUT) {
                     aad_pos = 0;
+                    if (AdditionOverflow(seqnr_aad, static_cast<uint64_t>(1))) {
+                        return;
+                    }
                     seqnr_aad += 1;
                 }
             },
             [&] {
-                seqnr_payload = fuzzed_data_provider.ConsumeIntegral<int>();
+                seqnr_payload = fuzzed_data_provider.ConsumeIntegral<uint64_t>();
             },
             [&] {
-                seqnr_aad = fuzzed_data_provider.ConsumeIntegral<int>();
+                seqnr_aad = fuzzed_data_provider.ConsumeIntegral<uint64_t>();
             },
             [&] {
                 is_encrypt = fuzzed_data_provider.ConsumeBool();

src/test/fuzz/pow.cpp

@@ -44,7 +44,10 @@ FUZZ_TARGET_INIT(pow, initialize_pow)
                 current_block.nHeight = current_height;
             }
             if (fuzzed_data_provider.ConsumeBool()) {
-                current_block.nTime = fixed_time + current_height * consensus_params.nPowTargetSpacing;
+                const uint32_t seconds = current_height * consensus_params.nPowTargetSpacing;
+                if (!AdditionOverflow(fixed_time, seconds)) {
+                    current_block.nTime = fixed_time + seconds;
+                }
             }
             if (fuzzed_data_provider.ConsumeBool()) {
                 current_block.nBits = fixed_bits;

test/sanitizer_suppressions/ubsan

@@ -1,3 +1,7 @@
+# -fsanitize=undefined suppressions
+# =================================
+# No suppressions at the moment. Hooray!
+
 # -fsanitize=integer suppressions
 # ===============================
 # Unsigned integer overflow occurs when the result of an unsigned integer
@@ -6,7 +10,8 @@
 # contains files in which we expect unsigned integer overflows to occur. The
 # list is used to suppress -fsanitize=integer warnings when running our CI UBSan
 # job.
-unsigned-integer-overflow:*/include/c++/*/bits/basic_string.tcc
+unsigned-integer-overflow:*/include/c++/
+unsigned-integer-overflow:addrman.cpp
 unsigned-integer-overflow:arith_uint256.h
 unsigned-integer-overflow:basic_string.h
 unsigned-integer-overflow:bench/bench.h
@@ -15,39 +20,42 @@ unsigned-integer-overflow:bloom.cpp
 unsigned-integer-overflow:chain.cpp
 unsigned-integer-overflow:chain.h
 unsigned-integer-overflow:coded_stream.h
+unsigned-integer-overflow:coins.cpp
+unsigned-integer-overflow:compressor.cpp
 unsigned-integer-overflow:core_write.cpp
-unsigned-integer-overflow:crypto/*
+unsigned-integer-overflow:crypto/
+# unsigned-integer-overflow in FuzzedDataProvider's ConsumeIntegralInRange
+unsigned-integer-overflow:FuzzedDataProvider.h
 unsigned-integer-overflow:hash.cpp
-unsigned-integer-overflow:leveldb/db/log_reader.cc
-unsigned-integer-overflow:leveldb/util/bloom.cc
-unsigned-integer-overflow:leveldb/util/crc32c.h
-unsigned-integer-overflow:leveldb/util/hash.cc
+unsigned-integer-overflow:leveldb/
 unsigned-integer-overflow:policy/fees.cpp
 unsigned-integer-overflow:prevector.h
+unsigned-integer-overflow:pubkey.h
 unsigned-integer-overflow:script/interpreter.cpp
 unsigned-integer-overflow:stl_bvector.h
 unsigned-integer-overflow:txmempool.cpp
 unsigned-integer-overflow:util/strencodings.cpp
 unsigned-integer-overflow:validation.cpp
 unsigned-integer-overflow:xoroshiro128plusplus.h
-# std::variant warning fixed in https://github.com/gcc-mirror/gcc/commit/074436cf8cdd2a9ce75cadd36deb8301f00e55b9
-implicit-unsigned-integer-truncation:std::__detail::__variant::_Variant_storage
-vptr:bls/bls.h
-
-implicit-integer-sign-change:*/include/c++/*/bits/*.h
+implicit-integer-sign-change:*/include/boost/
+implicit-integer-sign-change:*/include/c++/
 implicit-integer-sign-change:*/new_allocator.h
-implicit-integer-sign-change:/usr/include/boost/date_time/format_date_parser.hpp
+implicit-integer-sign-change:addrman.h
 implicit-integer-sign-change:arith_uint256.cpp
 implicit-integer-sign-change:bech32.cpp
 implicit-integer-sign-change:bloom.cpp
-implicit-integer-sign-change:chain.*
+implicit-integer-sign-change:chain.cpp
+implicit-integer-sign-change:chain.h
 implicit-integer-sign-change:coins.h
 implicit-integer-sign-change:compat/stdin.cpp
 implicit-integer-sign-change:compressor.h
 implicit-integer-sign-change:crc32c/
-implicit-integer-sign-change:crypto/*
+implicit-integer-sign-change:crypto/
+# implicit-integer-sign-change in FuzzedDataProvider's ConsumeIntegralInRange
+implicit-integer-sign-change:FuzzedDataProvider.h
 implicit-integer-sign-change:key.cpp
 implicit-integer-sign-change:noui.cpp
+implicit-integer-sign-change:policy/fees.cpp
 implicit-integer-sign-change:prevector.h
 implicit-integer-sign-change:script/bitcoinconsensus.cpp
 implicit-integer-sign-change:script/interpreter.cpp
@@ -57,20 +65,39 @@ implicit-integer-sign-change:test/coins_tests.cpp
 implicit-integer-sign-change:test/pow_tests.cpp
 implicit-integer-sign-change:test/prevector_tests.cpp
 implicit-integer-sign-change:test/sighash_tests.cpp
+implicit-integer-sign-change:test/skiplist_tests.cpp
 implicit-integer-sign-change:test/streams_tests.cpp
 implicit-integer-sign-change:test/transaction_tests.cpp
 implicit-integer-sign-change:txmempool.cpp
+implicit-integer-sign-change:util/strencodings.cpp
+implicit-integer-sign-change:util/strencodings.h
+implicit-integer-sign-change:validation.cpp
 implicit-integer-sign-change:zmq/zmqpublishnotifier.cpp
 implicit-signed-integer-truncation,implicit-integer-sign-change:chain.h
 implicit-signed-integer-truncation,implicit-integer-sign-change:test/skiplist_tests.cpp
+implicit-signed-integer-truncation:addrman.cpp
+implicit-signed-integer-truncation:addrman.h
 implicit-signed-integer-truncation:chain.h
-implicit-signed-integer-truncation:crypto/*
+implicit-signed-integer-truncation:crypto/
 implicit-signed-integer-truncation:cuckoocache.h
-implicit-signed-integer-truncation:leveldb/*
+implicit-signed-integer-truncation:leveldb/
+implicit-signed-integer-truncation:net.cpp
+implicit-signed-integer-truncation:net_processing.cpp
 implicit-signed-integer-truncation:streams.h
 implicit-signed-integer-truncation:test/arith_uint256_tests.cpp
 implicit-signed-integer-truncation:test/skiplist_tests.cpp
 implicit-signed-integer-truncation:torcontrol.cpp
-implicit-unsigned-integer-truncation:crypto/*
-implicit-unsigned-integer-truncation:leveldb/*
+implicit-unsigned-integer-truncation:crypto/
+implicit-unsigned-integer-truncation:leveldb/
+# std::variant warning fixed in https://github.com/gcc-mirror/gcc/commit/074436cf8cdd2a9ce75cadd36deb8301f00e55b9
+implicit-unsigned-integer-truncation:std::__detail::__variant::_Variant_storage
 shift-base:xoroshiro128plusplus.h
+shift-base:*/include/c++/
+shift-base:arith_uint256.cpp
+shift-base:crypto/
+shift-base:hash.cpp
+shift-base:leveldb/
+shift-base:net_processing.cpp
+shift-base:streams.h
+shift-base:util/bip32.cpp
+vptr:bls/bls.h