diff options
Diffstat (limited to 'debug/recv_chk.c')
-rw-r--r-- | debug/recv_chk.c | 9 |
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); } |