From: Dmitry V. Levin <ldv@altlinux.org>
Date: Wed, 22 Jun 2016 23:56:24 +0000 (+0000)
Subject: net.c: fix printing raw data of socket addresses
X-Git-Tag: v4.13~107
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dcc7a3c1c68455bffe16b5c4cd32ea1b92a5a4d1;p=strace

net.c: fix printing raw data of socket addresses

* net.c (print_sockaddr): When printing socket address raw data, read
exactly the number of data bytes specified for the socket addess.
---

diff --git a/net.c b/net.c
index 6413c2c7..938b2126 100644
--- a/net.c
+++ b/net.c
@@ -267,8 +267,11 @@ print_sockaddr(struct tcb *tcp, const void *const buf, const int addrlen)
 		    && sa_printers[sa->sa_family]) {
 			sa_printers[sa->sa_family](buf, addrlen);
 		} else {
+			const char *const data = buf + sizeof(sa->sa_family);
+			const int datalen = addrlen - sizeof(sa->sa_family);
+
 			tprints("sa_data=");
-			print_quoted_string(sa->sa_data, sizeof(sa->sa_data), 0);
+			print_quoted_string(data, datalen, 0);
 		}
 	}