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[3.8] gh-121285: Remove backtracking when parsing tarfile headers (GH-121286) #123642

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merged 2 commits into from
Sep 4, 2024

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@sethmlarson sethmlarson commented Sep 3, 2024

  • Remove backtracking when parsing tarfile headers
  • Rewrite PAX header parsing to be stricter
  • Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

…rs (pythonGH-121286)

* Remove backtracking when parsing tarfile headers
* Rewrite PAX header parsing to be stricter
* Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

Co-authored-by: Seth Michael Larson <[email protected]>
Co-authored-by: Kirill Podoprigora <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>
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The latest push should fix the errors, this was the same issue as 3.9: #123641 (comment)

@ambv ambv merged commit 7d1f50c into python:3.8 Sep 4, 2024
13 of 14 checks passed
frenzymadness pushed a commit to frenzymadness/cpython that referenced this pull request Sep 5, 2024
…e headers (pythonGH-121286) (python#123642)

* Remove backtracking when parsing tarfile headers
* Rewrite PAX header parsing to be stricter
* Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

Co-authored-by: Seth Michael Larson <[email protected]>
Co-authored-by: Kirill Podoprigora <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>
frenzymadness added a commit to frenzymadness/cpython that referenced this pull request Sep 5, 2024
…e headers (pythonGH-121286) (python#123642)

* Remove backtracking when parsing tarfile headers
* Rewrite PAX header parsing to be stricter
* Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

Co-authored-by: Seth Michael Larson <[email protected]>
Co-authored-by: Kirill Podoprigora <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>
Co-authored-by: Lumír Balhar <[email protected]>
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2 participants