Update Python/marshal.c

vstinner · skirpichev · web-flow · commit 9353013e9d12 · 2025-01-23T03:04:44.000+01:00
Co-authored-by: Sergey B Kirpichev &lt;skirpichev@gmail.com&gt;
diff --git a/Python/marshal.c b/Python/marshal.c
@@ -938,6 +938,7 @@ _w_digits##bitsize(uint ## bitsize ## _t *digits, Py_ssize_t size,      \
 {                                                                       \
     uint ## bitsize ## _t d;                                            \
                                                                         \
+    assert(size >= 1);                                                  \
     for (Py_ssize_t i = 0; i < size - 1; i++) {                         \
         d = 0;                                                          \
         for (Py_ssize_t j = 0; j < marshal_ratio; j++) {                \

Original file line number	Diff line number	Diff line change
`@@ -938,6 +938,7 @@ _w_digits##bitsize(uint ## bitsize ## _t *digits, Py_ssize_t size, \`
`938`	`938`	`{ \`
`939`	`939`	`uint ## bitsize ## _t d; \`
`940`	`940`	`\`
	`941`	`+ assert(size >= 1); \`
`941`	`942`	`for (Py_ssize_t i = 0; i < size - 1; i++) { \`
`942`	`943`	`d = 0; \`
`943`	`944`	`for (Py_ssize_t j = 0; j < marshal_ratio; j++) { \`