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Return pooled memory stream blocks when construction fails

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This commit is contained in:
Adam Hathcock
2026-10-13 10:21:45 +01:00
parent b8f3a8695b
commit 46437bbbbc
2 changed files with 45 additions and 2 deletions
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22
src/SharpCompress/IO/PooledMemoryStream.cs
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@@ -54,7 +54,15 @@ public sealed class PooledMemoryStream : MemoryStream
_length = 0;
_capacity = capacity;
EnsureSegmentedAllocated(capacity);
try
{
EnsureSegmentedAllocated(capacity);
}
catch
{
ReturnPooledBuffers();
throw;
}
}
public override bool CanRead => _isOpen;
@@ -565,7 +573,17 @@ public sealed class PooledMemoryStream : MemoryStream
while (_blocks.Count < requiredBlocks)
{
_blocks.Add(_arrayPool.Rent(_blockSize));
var block = _arrayPool.Rent(_blockSize);
try
{
_blocks.Add(block);
}
catch
{
// A failed list expansion must not lose the rental either.
_arrayPool.Return(block);
throw;
}
}
while (_blocks.Count > requiredBlocks)