From 4879faffbfab680dd8fa2ce6bf47849b83926e0c Mon Sep 17 00:00:00 2001 From: dongxinhua Date: Sat, 21 Dec 2019 17:44:40 +0800 Subject: [PATCH] fd: only add valid fd to mainloop Signed-off-by: dongxinhua --- src/lxc/mainloop.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/lxc/mainloop.c b/src/lxc/mainloop.c index b169aa6fe..79b4fb747 100644 --- a/src/lxc/mainloop.c +++ b/src/lxc/mainloop.c @@ -84,6 +84,8 @@ int lxc_mainloop_add_handler(struct lxc_epoll_descr *descr, int fd, struct epoll_event ev; struct mainloop_handler *handler; struct lxc_list *item; + if (fd < 0) + return -1; handler = malloc(sizeof(*handler)); if (!handler) -- 2.47.2