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Signed-off-by: Asra Ali <asraa@google.com>
This commit is contained in:
Asra Ali 2020-04-29 09:46:24 -04:00
parent 0c292aee11
commit 3fae95b87f
4 changed files with 5 additions and 5 deletions
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2
include/fmt/format-inl.h
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@ -1151,7 +1151,7 @@ int snprintf_float(T value, int precision, float_specs specs,
for (;;) {
auto begin = buf.data() + offset;
auto capacity = buf.capacity() - offset;
#ifdef FMT_FUZZ
#if FMT_FUZZ
if (precision > 100000)
throw std::runtime_error(
"fuzz mode - avoid large allocation inside snprintf");

4
include/fmt/format.h
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@ -699,7 +699,7 @@ class basic_memory_buffer : public internal::buffer<T> {
template <typename T, std::size_t SIZE, typename Allocator>
void basic_memory_buffer<T, SIZE, Allocator>::grow(std::size_t size) {
#ifdef FMT_FUZZ
#if FMT_FUZZ
if (size > 1000) throw std::runtime_error("fuzz mode - won't grow that much");
#endif
std::size_t old_capacity = this->capacity();
@ -1136,7 +1136,7 @@ template <typename Char> class float_writer {
*it++ = static_cast<Char>('0');
return it;
}
#ifdef FMT_FUZZ
#if FMT_FUZZ
if (num_zeros > 1000)
throw std::runtime_error("fuzz mode - avoiding excessive cpu use");
#endif

2
src/format.cc
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@ -13,7 +13,7 @@ namespace internal {
template <typename T>
int format_float(char* buf, std::size_t size, const char* format, int precision,
T value) {
#ifdef FMT_FUZZ
#if FMT_FUZZ
if (precision > 100000)
throw std::runtime_error(
"fuzz mode - avoid large allocation inside snprintf");

2
test/fuzzing/README.md
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@ -7,7 +7,7 @@ in fmt. It is a part of the continous fuzzing at
The source code is modified to make the fuzzing possible without locking up on
resource exhaustion:
```cpp
#ifdef FMT_FUZZ
#if FMT_FUZZ
if(spec.precision>100000) {
throw std::runtime_error("fuzz mode - avoiding large precision");
}