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[DO NOT LAND] CUPTI Segfault Reproducer for Denying Buffer Request #1038

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[DO NOT LAND] CUPTI Segfault Reproducer for Denying Buffer Request #1038

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9 changes: 5 additions & 4 deletions libkineto/src/CuptiActivityApi.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -164,11 +164,12 @@ void CuptiActivityApi::bufferRequested(
size_t* maxNumRecords) {
std::lock_guard<std::mutex> guard(mutex_);
LOG(VERBOSE) << "CUPTI buffer requested";
if (allocatedGpuTraceBuffers_.size() >= maxGpuBufferCount_) {
stopCollection = true;
if (allocatedGpuTraceBuffers_.size() >= 1) {
LOG(WARNING) << "Exceeded max GPU buffer count ("
<< allocatedGpuTraceBuffers_.size()
<< " >= " << maxGpuBufferCount_ << ") - terminating tracing";
<< allocatedGpuTraceBuffers_.size() << " >= " << 1
<< ") - denying request ";
*buffer = NULL;
return;
}

auto buf = std::make_unique<CuptiActivityBuffer>(kBufSize);
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