Fix pointer to contiguous data in quantized roi_align #3904
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NicolasHug
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module: ops
module: models.quantization
datumbox
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May 24, 2021
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Reviewed By: vincentqb, cpuhrsch Differential Revision: D28679963 fbshipit-source-id: dffae9aa3764472685d5b45be6e62949d8eb318d
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Using the result of
t_input.contiguous().data_ptr<T>();is unsafe if t_input isn't contiguous in the first place, as thet_input.contiguous()tensor is undefined right after that block. Instead, we should keep the temporary tensors around.Related internal post: https://fb.workplace.com/groups/1405155842844877/permalink/4735263356500759/
Similar past PR: #2131
CC @fmassa