1 files changed, 0 insertions, 80 deletions
diff --git a/CVE-2024-21503.patch b/CVE-2024-21503.patch
deleted file mode 100644
index ef91aa3..0000000
--- a/CVE-2024-21503.patch
+++ /dev/null
@@ -1,80 +0,0 @@
-From 3ecd05252df7c043d077a8c7ecaa573465e0cc8a Mon Sep 17 00:00:00 2001
-From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
-Date: Fri, 15 Mar 2024 12:06:12 -0700
-Subject: [PATCH ]  CVE-2024-21503
-Fix catastrophic performance in lines_with_leading_tabs_expanded() (#4278)
-
----
- src/black/strings.py | 18 ++++++------------
- tests/test_black.py  | 11 +++++++++++
- 2 files changed, 17 insertions(+), 12 deletions(-)
-
-diff --git a/src/black/strings.py b/src/black/strings.py
-index 0e0f968..baa8816 100644
---- a/src/black/strings.py
-+++ b/src/black/strings.py
-@@ -14,7 +14,6 @@ STRING_PREFIX_CHARS: Final = "furbFURB"  # All possible string prefix characters
- STRING_PREFIX_RE: Final = re.compile(
-     r"^([" + STRING_PREFIX_CHARS + r"]*)(.*)$", re.DOTALL
- )
--FIRST_NON_WHITESPACE_RE: Final = re.compile(r"\s*\t+\s*(\S)")
- UNICODE_ESCAPE_RE: Final = re.compile(
-     r"(?P<backslashes>\\+)(?P<body>"
-     r"(u(?P<u>[a-fA-F0-9]{4}))"  # Character with 16-bit hex value xxxx
-@@ -51,18 +50,13 @@ def lines_with_leading_tabs_expanded(s: str) -> List[str]:
-     """
-     lines = []
-     for line in s.splitlines():
--        # Find the index of the first non-whitespace character after a string of
--        # whitespace that includes at least one tab
--        match = FIRST_NON_WHITESPACE_RE.match(line)
--        if match:
--            first_non_whitespace_idx = match.start(1)
--
--            lines.append(
--                line[:first_non_whitespace_idx].expandtabs()
--                + line[first_non_whitespace_idx:]
--            )
--        else:
-+        stripped_line = line.lstrip()
-+        if not stripped_line or stripped_line == line:
-             lines.append(line)
-+        else:
-+            prefix_length = len(line) - len(stripped_line)
-+            prefix = line[:prefix_length].expandtabs()
-+            lines.append(prefix + stripped_line)
-     if s.endswith("\n"):
-         lines.append("")
-     return lines
-diff --git a/tests/test_black.py b/tests/test_black.py
-index 41f87cd..1814fb7 100644
---- a/tests/test_black.py
-+++ b/tests/test_black.py
-@@ -47,6 +47,7 @@ from black.debug import DebugVisitor
- from black.mode import Mode, Preview
- from black.output import color_diff, diff
- from black.report import Report
-+from black.strings import lines_with_leading_tabs_expanded
- 
- # Import other test classes
- from tests.util import (
-@@ -2054,6 +2055,16 @@ class BlackTestCase(BlackBaseTestCase):
-             b"Cannot use line-ranges in the pyproject.toml file." in result.stderr_bytes
-         )
- 
-+    def test_lines_with_leading_tabs_expanded(self) -> None:
-+        # See CVE-2024-21503. Mostly test that this completes in a reasonable
-+        # time.
-+        payload = "\t" * 10_000
-+        assert lines_with_leading_tabs_expanded(payload) == [payload]
-+
-+        tab = " " * 8
-+        assert lines_with_leading_tabs_expanded("\tx") == [f"{tab}x"]
-+        assert lines_with_leading_tabs_expanded("\t\tx") == [f"{tab}{tab}x"]
-+        assert lines_with_leading_tabs_expanded("\tx\n  y") == [f"{tab}x", "  y"]
- 
- class TestCaching:
-     def test_get_cache_dir(
--- 
-2.37.2.windows.2
-