| Título | pytorch pytorch (torch.nn.utils.rnn.unpack_sequence) torch 2.6.0 Segmentation fault |
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| Descripción | # Bug Description
Calling `unpack_sequence` on an empty PackedSequence leads to a segmentation fault.
# Reproduction Steps
Run the following code:
```
import torch
from torch.nn.utils.rnn import PackedSequence, unpack_sequence
empty_data = torch.tensor([])
empty_batch_sizes = torch.tensor([], dtype=torch.int64)
packed = PackedSequence(data=empty_data, batch_sizes=empty_batch_sizes)
unpack_sequence(packed)
```
# Observed Behavior
The program crashes with a segmentation fault, indicating an invalid memory access. |
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| Fuente | ⚠️ https://github.com/pytorch/pytorch/issues/149622 |
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| Usuario | Default436352 (UID 81891) |
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| Sumisión | 2025-03-20 15:43 (hace 1 Año) |
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| Moderación | 2025-03-30 19:42 (10 days later) |
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| Estado | Aceptado |
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| Entrada de VulDB | 302048 [PyTorch 2.6.0 torch.nn.utils.rnn.unpack_sequence desbordamiento de búfer] |
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| Puntos | 20 |
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