Hi.

The attached, supplied as plain text and gzipped, fixes an occasional 
segfault caused by an out-of-bounds reference in config file parsing.

This likely applies to other versions as well, modulo fuzz.

Marc.

+----------------------------------+----------------------------------+
|  Marc Aurele La France           |  work:   1-780-492-9310          |
|  Academic Information and        |  fax:    1-780-492-1729          |
|    Communications Technologies   |  email:  tsi at ualberta.ca         |
|  352 General Services Building   +----------------------------------+
|  University of Alberta           |                                  |
|  Edmonton, Alberta               |    Standard disclaimers apply    |
|  T6G 2H1                         |                                  |
|  CANADA                          |                                  |
+----------------------------------+----------------------------------+
XFree86 developer and VP.  ATI driver and X server internals.
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diff -adNpru samba-3.4.1/source3/lib/interfaces.c devel-3.4.1/source3/lib/interfaces.c
--- samba-3.4.1/source3/lib/interfaces.c	2009-09-09 06:40:43.000000000 -0600
+++ devel-3.4.1/source3/lib/interfaces.c	2009-09-10 07:56:43.000000000 -0600
@@ -156,10 +156,6 @@ static int _get_interfaces(TALLOC_CTX *m
 	/* Loop through interfaces, looking for given IP address */
 	for (ifptr = iflist; ifptr != NULL; ifptr = ifptr->ifa_next) {
 
-		memset(&ifaces[total], '\0', sizeof(ifaces[total]));
-
-		copy_size = sizeof(struct sockaddr_in);
-
 		if (!ifptr->ifa_addr || !ifptr->ifa_netmask) {
 			continue;
 		}
@@ -169,6 +165,10 @@ static int _get_interfaces(TALLOC_CTX *m
 			continue;
 		}
 
+		memset(&ifaces[total], '\0', sizeof(ifaces[total]));
+
+		copy_size = sizeof(struct sockaddr_in);
+
 		ifaces[total].flags = ifptr->ifa_flags;
 
 #if defined(HAVE_IPV6)
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