[CRIU] [crtools-bot for Kir Kolyshkin ] show_unixsk(): avoid buffer overflow

[Cyrill Gorcunov]

The commit is pushed to "master" and will appear on git://github.com/cyrillos/crtools.git
------>
commit 41fb6b3f6bb9c5cd06de7eb7d9fee24a9e50e004
Author: Kir Kolyshkin <kir at openvz.org>
Date:   Sat Feb 11 03:30:09 2012 +0400

    show_unixsk(): avoid buffer overflow
    
    Say in case of corrupted img file
    
    Signed-off-by: Kir Kolyshkin <kir at openvz.org>
    Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 sockets.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/sockets.c b/sockets.c
index 47ead71..ab997a2 100644
--- a/sockets.c
+++ b/sockets.c
@@ -1175,6 +1175,7 @@ void show_unixsk(int fd)
 			ue.id, ue.peer);
 
 		if (ue.namelen) {
+			BUG_ON(ue.namelen > sizeof(buf));
 			ret = read_img_buf(fd, buf, ue.namelen);
 			if (ret < 0) {
 				pr_info("\n");