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* [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test
@ 2019-05-20 19:08 Jan Stancek
  2019-05-20 19:58 ` Petr Vorel
  2019-05-21  9:58 ` Cyril Hrubis
  0 siblings, 2 replies; 6+ messages in thread
From: Jan Stancek @ 2019-05-20 19:08 UTC (permalink / raw)
  To: ltp

Test fails on SHM_STAT testcase:
   shmctl01    5  TFAIL  :  shmctl01.c:173: shmctl01 call failed
                            errno = 22 : Invalid argument
   shmctl(0, SHM_STAT, 0x601060)           = -EINVAL

since following commit:
   commit 99db46ea292780cd978d56932d9445b1e8bdafe8
   Author: Manfred Spraul <manfred@colorfullife.com>
   Date:   Tue May 14 15:46:36 2019 -0700
     ipc: do cyclic id allocation for the ipc object.

Don't rely on index 0 being always available, but instead
use (maximum) index returned by SHM_INFO.

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 testcases/kernel/syscalls/ipc/shmctl/shmctl01.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/testcases/kernel/syscalls/ipc/shmctl/shmctl01.c b/testcases/kernel/syscalls/ipc/shmctl/shmctl01.c
index 1b46977554d5..52bf23a40fc1 100644
--- a/testcases/kernel/syscalls/ipc/shmctl/shmctl01.c
+++ b/testcases/kernel/syscalls/ipc/shmctl/shmctl01.c
@@ -79,6 +79,7 @@ static void func_info(int ret);
 
 /* Check routine for SHM_STAT */
 static void func_sstat(int ret);
+static void func_sstat_setup(void);
 
 /* Check routine for SHM_LOCK */
 static void func_lock(int ret);
@@ -110,7 +111,7 @@ static struct test_case_t {
 #endif
 	{&shm_id_1, IPC_SET, &buf, func_set, set_setup},
 	{&shm_id_1, IPC_INFO, (struct shmid_ds *) &info, func_info, NULL},
-	{&shm_index, SHM_STAT, &buf, func_sstat, NULL},
+	{&shm_index, SHM_STAT, &buf, func_sstat, func_sstat_setup},
 	{&shm_id_1, SHM_LOCK, NULL, func_lock, NULL},
 	{&shm_id_1, SHM_UNLOCK, NULL, func_unlock, NULL},
 	{&shm_id_1, IPC_RMID, NULL, func_rmid, NULL},
@@ -407,9 +408,23 @@ static void func_info(int ret)
 static void func_sstat(int ret)
 {
 	if (ret >= 0)
-		tst_resm(TPASS, "get correct shared memory id");
+		tst_resm(TPASS, "get correct shared memory id for index: %d",
+			shm_index);
 	else
-		tst_resm(TFAIL, "shared memory id is incorrect");
+		tst_resm(TFAIL, "shared memory id is incorrect, index: %d",
+			shm_index);
+}
+
+static void func_sstat_setup(void)
+{
+	struct shm_info tmp;
+	int ret;
+
+	ret = shmctl(shm_id_1, SHM_INFO, (void *)&tmp);
+	if (ret < 0)
+		tst_resm(TFAIL|TERRNO, "shmctl(SHM_INFO)");
+	else
+		shm_index = ret;
 }
 
 static void func_lock(int ret)
-- 
1.8.3.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test
  2019-05-20 19:08 [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test Jan Stancek
@ 2019-05-20 19:58 ` Petr Vorel
  2019-05-21  9:58 ` Cyril Hrubis
  1 sibling, 0 replies; 6+ messages in thread
From: Petr Vorel @ 2019-05-20 19:58 UTC (permalink / raw)
  To: ltp

Hi Jan,

> Test fails on SHM_STAT testcase:
>    shmctl01    5  TFAIL  :  shmctl01.c:173: shmctl01 call failed
>                             errno = 22 : Invalid argument
>    shmctl(0, SHM_STAT, 0x601060)           = -EINVAL

> since following commit:
>    commit 99db46ea292780cd978d56932d9445b1e8bdafe8
>    Author: Manfred Spraul <manfred@colorfullife.com>
>    Date:   Tue May 14 15:46:36 2019 -0700
>      ipc: do cyclic id allocation for the ipc object.

> Don't rely on index 0 being always available, but instead
> use (maximum) index returned by SHM_INFO.

> Signed-off-by: Jan Stancek <jstancek@redhat.com>
Reviewed-by: Petr Vorel <petr.vorel@gmail.com>

Good catch + further improvements.

Kind regards,
Petr

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test
  2019-05-20 19:08 [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test Jan Stancek
  2019-05-20 19:58 ` Petr Vorel
@ 2019-05-21  9:58 ` Cyril Hrubis
  2019-05-21 13:49   ` Jan Stancek
  1 sibling, 1 reply; 6+ messages in thread
From: Cyril Hrubis @ 2019-05-21  9:58 UTC (permalink / raw)
  To: ltp

Hi!
> +static void func_sstat_setup(void)
> +{
> +	struct shm_info tmp;
> +	int ret;
> +
> +	ret = shmctl(shm_id_1, SHM_INFO, (void *)&tmp);
> +	if (ret < 0)
> +		tst_resm(TFAIL|TERRNO, "shmctl(SHM_INFO)");

I wonder if it makes sense to continue here if shmctl() has failed,
maybe we should do tst_brkm(TBROK ...) instead.

Otherwise it looks good, acked.

-- 
Cyril Hrubis
chrubis@suse.cz

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test
  2019-05-21  9:58 ` Cyril Hrubis
@ 2019-05-21 13:49   ` Jan Stancek
  2019-05-21 14:10     ` Petr Vorel
  0 siblings, 1 reply; 6+ messages in thread
From: Jan Stancek @ 2019-05-21 13:49 UTC (permalink / raw)
  To: ltp


----- Original Message -----
> Hi!
> > +static void func_sstat_setup(void)
> > +{
> > +	struct shm_info tmp;
> > +	int ret;
> > +
> > +	ret = shmctl(shm_id_1, SHM_INFO, (void *)&tmp);
> > +	if (ret < 0)
> > +		tst_resm(TFAIL|TERRNO, "shmctl(SHM_INFO)");
> 
> I wonder if it makes sense to continue here if shmctl() has failed,
> maybe we should do tst_brkm(TBROK ...) instead.

It is 'setup phase', but it also is kind-of test for shmctl() as well.
We don't risk much if we continue, worst case is we get one more fail.

@Petr: Do you have any preference?

> 
> Otherwise it looks good, acked.
> 
> --
> Cyril Hrubis
> chrubis@suse.cz
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test
  2019-05-21 13:49   ` Jan Stancek
@ 2019-05-21 14:10     ` Petr Vorel
  2019-05-21 16:02       ` Jan Stancek
  0 siblings, 1 reply; 6+ messages in thread
From: Petr Vorel @ 2019-05-21 14:10 UTC (permalink / raw)
  To: ltp

Hi Jan, Cyril,

> ----- Original Message -----
> > Hi!
> > > +static void func_sstat_setup(void)
> > > +{
> > > +	struct shm_info tmp;
> > > +	int ret;
> > > +
> > > +	ret = shmctl(shm_id_1, SHM_INFO, (void *)&tmp);
> > > +	if (ret < 0)
> > > +		tst_resm(TFAIL|TERRNO, "shmctl(SHM_INFO)");

> > I wonder if it makes sense to continue here if shmctl() has failed,
> > maybe we should do tst_brkm(TBROK ...) instead.

> It is 'setup phase', but it also is kind-of test for shmctl() as well.
> We don't risk much if we continue, worst case is we get one more fail.

> @Petr: Do you have any preference?
Cyril's point makes sense, but I prefer Jan's way.


Kind regards,
Petr

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test
  2019-05-21 14:10     ` Petr Vorel
@ 2019-05-21 16:02       ` Jan Stancek
  0 siblings, 0 replies; 6+ messages in thread
From: Jan Stancek @ 2019-05-21 16:02 UTC (permalink / raw)
  To: ltp



----- Original Message -----
> Hi Jan, Cyril,
> 
> > ----- Original Message -----
> > > Hi!
> > > > +static void func_sstat_setup(void)
> > > > +{
> > > > +	struct shm_info tmp;
> > > > +	int ret;
> > > > +
> > > > +	ret = shmctl(shm_id_1, SHM_INFO, (void *)&tmp);
> > > > +	if (ret < 0)
> > > > +		tst_resm(TFAIL|TERRNO, "shmctl(SHM_INFO)");
> 
> > > I wonder if it makes sense to continue here if shmctl() has failed,
> > > maybe we should do tst_brkm(TBROK ...) instead.
> 
> > It is 'setup phase', but it also is kind-of test for shmctl() as well.
> > We don't risk much if we continue, worst case is we get one more fail.
> 
> > @Petr: Do you have any preference?
> Cyril's point makes sense, but I prefer Jan's way.

I pushed TFAIL version.

Thanks for review,
Jan

> 
> 
> Kind regards,
> Petr
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-05-21 16:02 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-20 19:08 [LTP] [PATCH] shmctl01: don't use hardcoded index == 0 for SHM_STAT test Jan Stancek
2019-05-20 19:58 ` Petr Vorel
2019-05-21  9:58 ` Cyril Hrubis
2019-05-21 13:49   ` Jan Stancek
2019-05-21 14:10     ` Petr Vorel
2019-05-21 16:02       ` Jan Stancek

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