| commit | e7d8be80ba634fa15ece6f503c33592e0d333361 | [log] [tgz] |
|---|---|---|
| author | Neal Norwitz <nnorwitz@gmail.com> | Thu Jul 31 17:17:14 2008 +0000 |
| committer | Neal Norwitz <nnorwitz@gmail.com> | Thu Jul 31 17:17:14 2008 +0000 |
| tree | 4264163ebdcea24504f3842330602d98301cf659 | |
| parent | e70f8e1205b5fc60a30469db69bbee4d5d532d86 [diff] [blame] |
Security patches from Apple: prevent int overflow when allocating memory
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c index c71d840..08b5a96 100644 --- a/Modules/mmapmodule.c +++ b/Modules/mmapmodule.c
@@ -239,7 +239,7 @@ return(NULL); /* silently 'adjust' out-of-range requests */ - if ((self->pos + num_bytes) > self->size) { + if (num_bytes > self->size - self->pos) { num_bytes -= (self->pos+num_bytes) - self->size; } result = Py_BuildValue("s#", self->data+self->pos, num_bytes);