3.0-stable review patch. If anyone has any objections, please let me know.
------------------ From: Dan Carpenter <[email protected]> commit 6d8d17499810479eabd10731179c04b2ca22152f upstream. There is no point in passing a zero length string here and quite a few of that cache_parse() implementations will Oops if count is zero. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: J. Bruce Fields <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- net/sunrpc/cache.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -828,6 +828,8 @@ static ssize_t cache_do_downcall(char *k { ssize_t ret; + if (count == 0) + return -EINVAL; if (copy_from_user(kaddr, buf, count)) return -EFAULT; kaddr[count] = '\0'; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
