Mercurial > cpython-lru_cache-weakref

diff Modules/parsermodule.c @ 54080:91ea8fcd457e legacy-trunk

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Issue #5918: Fix a crash in the parser module. Patch by Amaury.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 14 May 2009 21:48:09 +0000
parents ae98681058b2
children 16759f62eb22
line wrap: on
line diff
--- a/Modules/parsermodule.c	Thu May 14 21:22:08 2009 +0000
+++ b/Modules/parsermodule.c	Thu May 14 21:48:09 2009 +0000
@@ -2092,14 +2092,14 @@
         return (res);
     }
     /* try/except statement: skip past except_clause sections */
-    while (res && (TYPE(CHILD(tree, pos)) == except_clause)) {
+    while (res && pos < nch && (TYPE(CHILD(tree, pos)) == except_clause)) {
         res = (validate_except_clause(CHILD(tree, pos))
                && validate_colon(CHILD(tree, pos + 1))
                && validate_suite(CHILD(tree, pos + 2)));
         pos += 3;
     }
     /* skip else clause */
-    if (res && (TYPE(CHILD(tree, pos)) == NAME) &&
+    if (res && pos < nch && (TYPE(CHILD(tree, pos)) == NAME) &&
         (strcmp(STR(CHILD(tree, pos)), "else") == 0)) {
         res = (validate_colon(CHILD(tree, pos + 1))
                && validate_suite(CHILD(tree, pos + 2)));