Undefined shift overflow in dhclient(8)

Michael McConville mmcco at mykolab.com
Wed Jan 27 18:49:28 UTC 2016


I fixed this in OpenBSD yesterday. Details:

https://marc.info/?l=openbsd-tech&m=145377854103866&w=2


Index: sbin/dhclient/dhclient.c
===================================================================
--- sbin/dhclient/dhclient.c	(revision 294200)
+++ sbin/dhclient/dhclient.c	(working copy)
@@ -138,7 +138,7 @@
 findproto(char *cp, int n)
 {
 	struct sockaddr *sa;
-	int i;
+	unsigned int i;
 
 	if (n == 0)
 		return -1;


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