From: Russ White <russ@riw.us>
Date: Sun, 29 Jul 2018 12:33:43 +0000 (-0400)
Subject: Merge pull request #2696 from sworleys/Netlink-Fuzz
X-Git-Tag: frr-6.1-dev~121
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=155d6d4415cb9428450fe43ff71d756c47cf5ee0;p=matthieu%2Ffrr.git

Merge pull request #2696 from sworleys/Netlink-Fuzz

zebra: Add code for fuzzing netlink
---

155d6d4415cb9428450fe43ff71d756c47cf5ee0
diff --cc zebra/kernel_netlink.c
index cd881dcc24,bc2ed7f8f4..c627bda4f7
--- a/zebra/kernel_netlink.c
+++ b/zebra/kernel_netlink.c
@@@ -636,9 -727,17 +727,17 @@@ int netlink_parse_info(int (*filter)(st
  			zlog_hexdump(buf, status);
  		}
  
+ #if defined(HANDLE_NETLINK_FUZZING)
+ 		if (!netlink_read) {
+ 			zlog_debug("Writing incoming netlink message");
+ 			netlink_write_incoming(buf, status,
+ 					       netlink_file_counter++);
+ 		}
+ #endif /* HANDLE_NETLINK_FUZZING */
+ 
  		read_in++;
  		for (h = (struct nlmsghdr *)buf;
 -		     NLMSG_OK(h, (unsigned int)status);
 +		     (status >= 0 && NLMSG_OK(h, (unsigned int)status));
  		     h = NLMSG_NEXT(h, status)) {
  			/* Finish of reading. */
  			if (h->nlmsg_type == NLMSG_DONE)