aboutsummaryrefslogtreecommitdiff
path: root/hurd
diff options
context:
space:
mode:
Diffstat (limited to 'hurd')
-rw-r--r--hurd/alloc-fd.c12
-rw-r--r--hurd/hurdsig.c1
2 files changed, 12 insertions, 1 deletions
diff --git a/hurd/alloc-fd.c b/hurd/alloc-fd.c
index f21d5bb8e1..dc6e64f3b7 100644
--- a/hurd/alloc-fd.c
+++ b/hurd/alloc-fd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -97,6 +97,13 @@ _hurd_alloc_fd (int *fd, int first_fd)
else if (size <= first_fd)
size = first_fd + 1;
+ if (size * sizeof (*_hurd_dtable) < size)
+ {
+ /* Integer overflow! */
+ errno = ENOMEM;
+ goto out;
+ }
+
/* If we fail to allocate that, decrement the desired size
until we succeed in allocating it. */
do
@@ -117,6 +124,8 @@ _hurd_alloc_fd (int *fd, int first_fd)
/* Go back to the loop to initialize the first new slot. */
goto search;
}
+ else
+ errno = ENOMEM;
}
else
errno = EMFILE;
@@ -124,6 +133,7 @@ _hurd_alloc_fd (int *fd, int first_fd)
else
errno = EINVAL; /* Bogus FIRST_FD value. */
+ out:
__mutex_unlock (&_hurd_dtable_lock);
_hurd_critical_section_unlock (crit);
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 1da3fa580d..1f58d13436 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -1024,6 +1024,7 @@ signal_allowed (int signo, mach_port_t refport)
case SIGINFO:
case SIGTTIN:
case SIGTTOU:
+ case SIGWINCH:
/* Job control signals can be sent by the controlling terminal. */
if (__USEPORT (CTTYID, port == refport))
goto win;