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Merge bitcoin/bitcoin#22267: fuzz: Speed up crypto fuzz target

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fa483e9f68b8b4171dabb25cc88dc2eada454a99 fuzz: Speed up crypto fuzz target (MarcoFalke)

Pull request description:

  May fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34962

  Similar solution to https://github.com/bitcoin/bitcoin/pull/22005

ACKs for top commit:
  practicalswift:
    cr ACK fa483e9f68b8b4171dabb25cc88dc2eada454a99: patch looks correct and rationale makes sense

Tree-SHA512: 3788cf9f6ba0f7a0a217cd3a6a825839689425e99e4d6d657981d291a001b0da7c5abb50a68b4ee1c2a8300b87fb92e4e3ccc1171907792b40251e467c33bd53
This commit is contained in:
MarcoFalke 2021-06-17 12:54:24 +02:00 committed by UdjinM6
parent 3aab3efaa5
commit 9304ba040d
1 changed files with 5 additions and 1 deletions
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6
src/test/fuzz/crypto.cpp
View File

@ -19,6 +19,10 @@
FUZZ_TARGET(crypto)
{
// Hashing is expensive with sanitizers enabled, so limit the number of
// calls
int limit_max_ops{30};
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
std::vector<uint8_t> data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
if (data.empty()) {
@ -36,7 +40,7 @@ FUZZ_TARGET(crypto)
SHA3_256 sha3;
CSipHasher sip_hasher{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>()};
while (fuzzed_data_provider.ConsumeBool()) {
while (--limit_max_ops >= 0 && fuzzed_data_provider.ConsumeBool()) {
CallOneOf(
fuzzed_data_provider,
[&] {