* debug/recv_chk.c (__recv_chk): Always fail if request could

	overflow the buffer.
	* debug/recvfrom_chk.c (__recvfrom_chk): Likewise.

1 files changed, 3 insertions, 6 deletions

diff --git a/debug/recv_chk.c b/debug/recv_chk.c
index 7a49d17234..479ebdfe72 100644
--- a/debug/recv_chk.c
+++ b/debug/recv_chk.c
@@ -23,11 +23,8 @@
 ssize_t
 __recv_chk (int fd, void *buf, size_t n, size_t buflen, int flags)
 {
-  /* In case N is greater than BUFLEN, we read BUFLEN+1 bytes.
-     This might overflow the buffer but the damage is reduced to just
-     one byte.  And the program will terminate right away.  */
-  ssize_t nrecv = __recv (fd, buf, MIN (n, buflen + 1), flags);
-  if (nrecv > 0 && (size_t) nrecv > buflen)
+  if (n > buflen)
     __chk_fail ();
-  return nrecv;
+
+  return __recv (fd, buf, n, flags);
 }