diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2001-11-05 23:58:22 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2001-11-05 23:58:22 +0300 |
| commit | 910e57ec840e03fcbe945ee197598268ba69ed3f (patch) | |
| tree | de4636cc13a11d1dc62aaf54051d13fc86ded0ae | |
| parent | c7dd4f95118f40d8fcb2f83c11d9419aba5bdef2 (diff) | |
* mmap.cc (mmap_record::find_empty): Add input parameter check.
| -rw-r--r-- | winsup/cygwin/ChangeLog | 4 | ||||
| -rw-r--r-- | winsup/cygwin/mmap.cc | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 1949c5af3..681b809c4 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,7 @@ +2001-11-05 Corinna Vinschen <corinna@vinschen.de> + + * mmap.cc (mmap_record::find_empty): Add input parameter check. + 2001-11-04 Christopher Faylor <cgf@redhat.com> * dtable.cc (dtable::build_fhandler): Fix debug_printf to avoid SEGV diff --git a/winsup/cygwin/mmap.cc b/winsup/cygwin/mmap.cc index ab36a5234..884941ae4 100644 --- a/winsup/cygwin/mmap.cc +++ b/winsup/cygwin/mmap.cc @@ -109,6 +109,8 @@ mmap_record::find_empty (DWORD pages) DWORD mapped_pages = PAGE_CNT (size_to_map_); DWORD start; + if (pages > mapped_pages) + return (DWORD)-1; for (start = 0; start <= mapped_pages - pages; ++start) if (!MAP_ISSET (start)) { |