Issue #23055: Fixed read-past-the-end error in PyUnicode_FromFormatV.

19c4c5f7 · Serhiy Storchaka · 2bef1b6b · 19c4c5f7
Commit 19c4c5f7 authored Jan 31, 2015 by Serhiy Storchaka
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 0 deletions

Objects/unicodeobject.c Objects/unicodeobject.c +2 -0

No files found.
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -762,6 +762,8 @@ PyUnicode_FromFormatV(const char *format, va_list vargs)
             f++;
             while (*f && *f != '%' && !Py_ISALPHA((unsigned)*f))
                 f++;
+             if (!*f)
+                 break;
             if (*f == 's' || *f=='S' || *f=='R' || *f=='A' || *f=='V')
                 ++callcount;
         }