From: Dmitry V. Levin <ldv@altlinux.org>
Date: Wed, 27 Apr 2016 22:36:07 +0000 (+0000)
Subject: Fix decoding of policy argument of get_mempolicy syscall
X-Git-Tag: v4.12~258
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fb1ae073e96d2d468d90d4059b9d41938f2dcf48;p=strace

Fix decoding of policy argument of get_mempolicy syscall

* numa.c (SYS_FUNC(get_mempolicy)): Print policy argument in square
brackets to indicate indirect access.
---

diff --git a/numa.c b/numa.c
index 2def40ff..6ea9b5a1 100644
--- a/numa.c
+++ b/numa.c
@@ -114,8 +114,11 @@ SYS_FUNC(get_mempolicy)
 {
 	if (exiting(tcp)) {
 		int pol;
-		if (!umove_or_printaddr(tcp, tcp->u_arg[0], &pol))
+		if (!umove_or_printaddr(tcp, tcp->u_arg[0], &pol)) {
+			tprints("[");
 			printxval(policies, pol, "MPOL_???");
+			tprints("]");
+		}
 		get_nodes(tcp, tcp->u_arg[1], tcp->u_arg[2], syserror(tcp));
 		tprints(", ");
 		printaddr(tcp->u_arg[3]);