From: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu, 27 Oct 2016 22:44:08 +0000 (+0000)
Subject: kcmp: print index parameters of unknown commands as kernel_ulong_t
X-Git-Tag: v4.15~211
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=63c27873b64e1cdd086c1073c4079deb7ecfd7ec;p=strace

kcmp: print index parameters of unknown commands as kernel_ulong_t

* lookup_dcookie.c (SYS_FUNC(kcmp)): Use getarg_ull to retrieve idx1
and idx2, print them using %#llx format in case of unknown command.
---

diff --git a/kcmp.c b/kcmp.c
index aec494a3..4668b48f 100644
--- a/kcmp.c
+++ b/kcmp.c
@@ -33,8 +33,8 @@ SYS_FUNC(kcmp)
 	pid_t pid1 = tcp->u_arg[0];
 	pid_t pid2 = tcp->u_arg[1];
 	int type = tcp->u_arg[2];
-	unsigned long idx1 = tcp->u_arg[3];
-	unsigned long idx2 = tcp->u_arg[4];
+	unsigned long long idx1 = getarg_ull(tcp, 3);
+	unsigned long long idx2 = getarg_ull(tcp, 4);
 
 	tprintf("%d, %d, ", pid1, pid2);
 	printxval(kcmp_types, type, "KCMP_???");
@@ -51,7 +51,7 @@ SYS_FUNC(kcmp)
 		case KCMP_VM:
 			break;
 		default:
-			tprintf(", %#lx, %#lx", idx1, idx2);
+			tprintf(", %#llx, %#llx", idx1, idx2);
 	}
 
 	return RVAL_DECODED;