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* [LTP] [PATCH V3] setrlimit05: Use another method to get bad address
@ 2018-11-07  1:46 Hongzhi.Song
  2018-11-07  1:46 ` [LTP] [PATCH V3] kernel/syscall/setrlimit05.c: use a legal bad address for mips Hongzhi.Song
  0 siblings, 1 reply; 3+ messages in thread
From: Hongzhi.Song @ 2018-11-07  1:46 UTC (permalink / raw)
  To: ltp

v3:
	Repair the format of indentation.
	Drop explicit forced-convertion.
	Modify commit log simply.
V2:
    put tst_get_bad_add() to setup();

Hongzhi.Song (1):
  kernel/syscall/setrlimit05.c: use a legal bad address for mips

 testcases/kernel/syscalls/setrlimit/setrlimit05.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

-- 
2.8.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [LTP] [PATCH V3] kernel/syscall/setrlimit05.c: use a legal bad address for mips
  2018-11-07  1:46 [LTP] [PATCH V3] setrlimit05: Use another method to get bad address Hongzhi.Song
@ 2018-11-07  1:46 ` Hongzhi.Song
  2018-11-07  9:18   ` Cyril Hrubis
  0 siblings, 1 reply; 3+ messages in thread
From: Hongzhi.Song @ 2018-11-07  1:46 UTC (permalink / raw)
  To: ltp

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


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [LTP] [PATCH V3] kernel/syscall/setrlimit05.c: use a legal bad address for mips
  2018-11-07  1:46 ` [LTP] [PATCH V3] kernel/syscall/setrlimit05.c: use a legal bad address for mips Hongzhi.Song
@ 2018-11-07  9:18   ` Cyril Hrubis
  0 siblings, 0 replies; 3+ messages in thread
From: Cyril Hrubis @ 2018-11-07  9:18 UTC (permalink / raw)
  To: ltp

Hi!
Applied, thanks.

-- 
Cyril Hrubis
chrubis@suse.cz

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-11-07  9:18 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2018-11-07  1:46 [LTP] [PATCH V3] setrlimit05: Use another method to get bad address Hongzhi.Song
2018-11-07  1:46 ` [LTP] [PATCH V3] kernel/syscall/setrlimit05.c: use a legal bad address for mips Hongzhi.Song
2018-11-07  9:18   ` Cyril Hrubis

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