[Bug 1965925] [NEW] busy loop triggered in git grep -P

[Carlo Marcelo Arenas Belón]

Public bug reported:

The issue was reported[1] as a regression for git >= 2.35, because the
workaround implemented for it broke with that release, but the issue is
present in pcre < 10.36 (hence affecting the package in Ubuntu 20.04)
and has been fixed by e0c6029[2].

Backporting the fix to the affected package (10.34-7) has been confirmed
to solve the problem.

[1] https://lore.kernel.org/git/20220129172542.GB2581@szeder.dev/
[2] https://github.com/PhilipHazel/pcre2/commit/e0c6029.patch

** Affects: pcre2 (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1965925

Title:
  busy loop triggered in git grep -P

Status in pcre2 package in Ubuntu:
  New

Bug description:
  The issue was reported[1] as a regression for git >= 2.35, because the
  workaround implemented for it broke with that release, but the issue
  is present in pcre < 10.36 (hence affecting the package in Ubuntu
  20.04) and has been fixed by e0c6029[2].

  Backporting the fix to the affected package (10.34-7) has been
  confirmed to solve the problem.

  [1] https://lore.kernel.org/git/20220129172542.GB2581@szeder.dev/
  [2] https://github.com/PhilipHazel/pcre2/commit/e0c6029.patch

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