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-rw-r--r--nis/nis_removemember.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/nis/nis_removemember.c b/nis/nis_removemember.c
index 930ca4311f..b9e27ab48c 100644
--- a/nis/nis_removemember.c
+++ b/nis/nis_removemember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <assert.h>
#include <string.h>
#include <rpcsvc/nis.h>
@@ -87,6 +88,10 @@ nis_removemember (const_nis_name member, const_nis_name group)
}
}
free (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val);
+ assert (k <= NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len);
+ /* This realloc() call always decreases the size. This cannot
+ fail. We still have the test but do not recover memory
+ (i.e., we overwrite the input pointer). */
newmem = realloc (newmem, k * sizeof (char*));
if (newmem == NULL)
return NIS_NOMEMORY;