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* dtable.cc (dtable::dup3): Fix bounds checking for valid newfd. 

* syscalls.cc (dup2): Ditto.
* winsup.h (events_terminate): Delete obsolete function declaration.
This commit is contained in:
Christopher Faylor 2012-12-31 18:31:49 +00:00
parent 871d0724fa
commit f6187d46b1
4 changed files with 8 additions and 3 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2012-12-31 Christopher Faylor <me.cygwin2012@cgf.cx>
* dtable.cc (dtable::dup3): Fix bounds checking for valid newfd.
* syscalls.cc (dup2): Ditto.
* winsup.h (events_terminate): Delete obsolete function declaration.
2012-12-28 Christopher Faylor <me.cygwin2012@cgf.cx>
* DevNotes: Add entry cgf-000019.

2
winsup/cygwin/dtable.cc
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@ -728,7 +728,7 @@ dtable::dup3 (int oldfd, int newfd, int flags)
set_errno (EBADF);
goto done;
}
if (newfd < 0)
if (newfd >= OPEN_MAX_MAX || newfd < 0)
{
syscall_printf ("new fd out of bounds: %d", newfd);
set_errno (EBADF);

2
winsup/cygwin/syscalls.cc
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@ -142,7 +142,7 @@ extern "C" int
dup2 (int oldfd, int newfd)
{
int res;
if (newfd >= OPEN_MAX_MAX)
if (newfd >= OPEN_MAX_MAX || newfd < 0)
{
set_errno (EBADF);
res = -1;

1
winsup/cygwin/winsup.h
View File

@ -185,7 +185,6 @@ void uinfo_init ();
/* various events */
void events_init ();
void events_terminate ();
void __stdcall close_all_files (bool = false);