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[3.7] bpo-21872: fix lzma library decompresses data incompletely (GH-14048)#16055

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miss-islington merged 1 commit intopython:3.7from
miss-islington:backport-4ffd05d-3.7
Sep 12, 2019
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[3.7] bpo-21872: fix lzma library decompresses data incompletely (GH-14048)#16055
miss-islington merged 1 commit intopython:3.7from
miss-islington:backport-4ffd05d-3.7

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@miss-islington miss-islington commented Sep 12, 2019

    1. add test case with wrong behavior
    1. fix bug when max_length == -1
    1. allow b"" as valid input data for decompress_buf()
    1. when max_length >= 0, let needs_input mechanism works
  • add more asserts to test case
    (cherry picked from commit 4ffd05d)

Co-authored-by: animalize animalize@users.noreply.github.com

https://bugs.python.org/issue21872

…14048)

* 1. add test case with wrong behavior
* 2. fix bug when max_length == -1
* 3. allow b"" as valid input data for decompress_buf()
* 4. when max_length >= 0, let needs_input mechanism works
* add more asserts to test case
(cherry picked from commit 4ffd05d)

Co-authored-by: animalize <animalize@users.noreply.github.com>
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@animalize and @gpshead: Status check is done, and it's a success ✅ .

@miss-islington miss-islington merged commit a3c53a1 into python:3.7 Sep 12, 2019
@miss-islington miss-islington deleted the backport-4ffd05d-3.7 branch September 12, 2019 14:41
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@animalize and @gpshead: Status check is done, and it's a success ✅ .

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