Mercurial > cpython-lru_cache-weakref
diff Python/compile.c @ 32978:678d40fce0b1 2.3
Backport SF bug #1004088:
big code objects (>64K) may be optimized incorrectly
| author | Raymond Hettinger <python@rcn.com> |
|---|---|
| date | Fri, 06 Aug 2004 21:29:22 +0000 |
| parents | a7c4aa81eb85 |
| children |
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--- a/Python/compile.c Tue Aug 03 19:13:18 2004 +0000 +++ b/Python/compile.c Fri Aug 06 21:29:22 2004 +0000 @@ -345,6 +345,10 @@ codestr = memcpy(codestr, PyString_AS_STRING(code), codelen); assert(PyTuple_Check(consts)); + /* Avoid situations where jump retargeting could overflow */ + if (codelen > 65000) + goto exitUnchanged; + for (i=0 ; i<codelen-7 ; i += HAS_ARG(codestr[i]) ? 3 : 1) { opcode = codestr[i]; switch (opcode) {