[LTP] [PATCH V3] kernel/syscall/setrlimit05.c: use a legal bad address for mips

Hongzhi.Song
2018-11-07T01:46:41Z

This testcase fails on mips32. The process is killed by SIGBUS which
is not as expect.

This is because:
((void *)-1) is not a legal bad address which causes the process
killed by SIGBUG on mips.

'tst_get_bad_addr()' returns an address that should works on mips
and other arches.

Signed-off-by: Hongzhi.Song <hongzhi.song@windriver.com>
---
testcases/kernel/syscalls/setrlimit/setrlimit05.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/testcases/kernel/syscalls/setrlimit/setrlimit05.c b/testcases/kernel/syscalls/setrlimit/setrlimit05.c
index e716722..004a149 100644
--- a/testcases/kernel/syscalls/setrlimit/setrlimit05.c
+++ b/testcases/kernel/syscalls/setrlimit/setrlimit05.c
@@ -26,6 +26,8 @@

#include "tst_test.h"

+static void *bad_addr;
+
static void verify_setrlimit(void)
{
int status;
@@ -33,7 +35,7 @@ static void verify_setrlimit(void)

pid = SAFE_FORK();
if (!pid) {
- TEST(setrlimit(RLIMIT_NOFILE, (void *) -1));
+ TEST(setrlimit(RLIMIT_NOFILE, bad_addr));
if (TST_RET != -1) {
tst_res(TFAIL, "setrlimit() succeeded unexpectedly");
exit(0);
@@ -67,7 +69,13 @@ static void verify_setrlimit(void)
tst_res(TBROK, "child %s", tst_strstatus(status));
}

+static void setup(void)
+{
+ bad_addr = tst_get_bad_addr(NULL);
+}
+
static struct tst_test test = {
.test_all = verify_setrlimit,
.forks_child = 1,
+ .setup = setup,
};
--
2.8.1