coverity: #1425778

Out-of-bounds write

Signed-off-by: 2xsec <dh48.jeong@samsung.com>

diff --git a/src/lxc/criu.c b/src/lxc/criu.c
index 97fbe57a85be11693edab7605b0913bb20cb5ae0..4359f7c4acd66fb621767d210404aa3e8c949627 100644 (file)
--- a/src/lxc/criu.c
+++ b/src/lxc/criu.c
@@ -1209,7 +1209,11 @@ static bool do_dump(struct lxc_container *c, char *mode, struct migrate_opts *op
                        SYSERROR("read");
                        n = 0;
                }
-               buf[n] = 0;
+
+               if (n == sizeof(buf))
+                       buf[n-1] = 0;
+               else
+                       buf[n] = 0;
 
                if (WIFEXITED(status)) {
                        if (WEXITSTATUS(status)) {