Author: mjg
Date: Fri Jan 3 16:36:55 2014
New Revision: 260233
URL: http://svnweb.freebsd.org/changeset/base/260233
Log:
Plug a memory leak in dup2 when both old and new fd have ioctl caps.
Reviewed by: pjd
MFC after: 3 days
Modified:
head/sys/kern/kern_descrip.c
Modified: head/sys/kern/kern_descrip.c
==============================================================================
--- head/sys/kern/kern_descrip.c Fri Jan 3 16:34:16 2014
(r260232)
+++ head/sys/kern/kern_descrip.c Fri Jan 3 16:36:55 2014
(r260233)
@@ -878,6 +878,7 @@ do_dup(struct thread *td, int flags, int
/*
* Duplicate the source descriptor.
*/
+ filecaps_free(&newfde->fde_caps);
*newfde = *oldfde;
filecaps_copy(&oldfde->fde_caps, &newfde->fde_caps);
if ((flags & DUP_CLOEXEC) != 0)
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