Update Python/marshal.c

vstinner · skirpichev · web-flow · commit 47eaacff061b · 2025-01-23T02:10:39.000+01:00
Co-authored-by: Sergey B Kirpichev &lt;skirpichev@gmail.com&gt;
diff --git a/Python/marshal.c b/Python/marshal.c
@@ -257,6 +257,8 @@ _r_digits##bitsize(const uint ## bitsize ## _t *digits, Py_ssize_t n,     \
     Py_ssize_t l = (n - 1)*marshal_ratio;                                 \
     uint ## bitsize ## _t d = digits[n - 1];                              \
                                                                           \
+    assert(marshal_ratio > 0);                                            \
+    assert(n >= 1);                                                       \
     assert(d != 0); /* a PyLong is always normalized */                   \
     do {                                                                  \
         d >>= PyLong_MARSHAL_SHIFT;                                       \

Original file line number	Diff line number	Diff line change
`@@ -257,6 +257,8 @@ _r_digits##bitsize(const uint ## bitsize ## _t *digits, Py_ssize_t n, \`
`257`	`257`	`Py_ssize_t l = (n - 1)*marshal_ratio; \`
`258`	`258`	`uint ## bitsize ## _t d = digits[n - 1]; \`
`259`	`259`	`\`
	`260`	`+ assert(marshal_ratio > 0); \`
	`261`	`+ assert(n >= 1); \`
`260`	`262`	`assert(d != 0); /* a PyLong is always normalized */ \`
`261`	`263`	`do { \`
`262`	`264`	`d >>= PyLong_MARSHAL_SHIFT; \`