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| author | Miss Skeleton (bot) <31488909+miss-islington@users.noreply.github.com> | 2020-10-25 23:24:56 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-25 23:24:56 (GMT) |
| commit | 0b290dd2171e745d94f48298cafb2327eb2de17c (patch) | |
| tree | 9d0bb1f152397b70e2f1ddab56dcf9aa947f92c7 /Parser | |
| parent | 83c86cf54b36a7325f615f5adf22b28e48f0e72d (diff) | |
| download | cpython-0b290dd2171e745d94f48298cafb2327eb2de17c.zip cpython-0b290dd2171e745d94f48298cafb2327eb2de17c.tar.gz cpython-0b290dd2171e745d94f48298cafb2327eb2de17c.tar.bz2 | |
bpo-42150: Avoid buffer overflow in the new parser (GH-22978)
(cherry picked from commit e68c67805e6a4c4ec80bea64be0e8373cc02d322)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Diffstat (limited to 'Parser')
| -rw-r--r-- | Parser/pegen/pegen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Parser/pegen/pegen.c b/Parser/pegen/pegen.c index 2c435fb..a7643fc 100644 --- a/Parser/pegen/pegen.c +++ b/Parser/pegen/pegen.c @@ -989,7 +989,8 @@ bad_single_statement(Parser *p) /* Newlines are allowed if preceded by a line continuation character or if they appear inside a string. */ - if (!cur || *(cur - 1) == '\\' || newline_in_string(p, cur)) { + if (!cur || (cur != p->tok->buf && *(cur - 1) == '\\') + || newline_in_string(p, cur)) { return 0; } char c = *cur; |