From: Dmitry V. Levin <ldv@altlinux.org>
Date: Wed, 10 Aug 2016 22:59:28 +0000 (+0000)
Subject: tests/mlock2.c: fix test failure on mips64
X-Git-Tag: v4.14~208
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0bc735e5aa4bd34aa73c12b6d3ba01f79591853e;p=strace

tests/mlock2.c: fix test failure on mips64

* tests/mlock2.c (main): Pass unsigned long arguments to mlock2 syscall
explicitly, to avoid unwanted sign extension issues.

Based on patch by James Cowgill <james410@cowgill.org.uk>
---

diff --git a/tests/mlock2.c b/tests/mlock2.c
index 217afd40..e557042e 100644
--- a/tests/mlock2.c
+++ b/tests/mlock2.c
@@ -36,9 +36,12 @@
 int
 main(void)
 {
-	long rc = syscall(__NR_mlock2, 0xdeadbeef, 0xdefaced, 0xffff);
-	printf("mlock2(0xdeadbeef, 233811181, MLOCK_ONFAULT|0xfffe)"
-	       " = %ld %s (%m)\n", rc, errno2name());
+	const unsigned long addr = (unsigned long) 0xfacefeeddeadbeefULL;
+	const unsigned long len = (unsigned long) 0xcafef00dbadc0dedULL;
+
+	long rc = syscall(__NR_mlock2, addr, len, -1UL);
+	printf("mlock2(%#lx, %lu, MLOCK_ONFAULT|0xfffffffe)"
+	       " = %ld %s (%m)\n", addr, len, rc, errno2name());
 
 	puts("+++ exited with 0 +++");
 	return 0;