From: Piyush Goyal <piyushgoyaliit@gmail.com>
To: Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 3/3] stress-shmsysv: exercise shmat with SHM_REMAP flag on NULL address
Date: Tue, 22 Sep 2020 12:57:30 +0530 [thread overview]
Message-ID: <20200922072730.68911-3-piyushgoyaliit@gmail.com> (raw)
In-Reply-To: <20200922072730.68911-1-piyushgoyaliit@gmail.com>
Exercise shmat syscall with SHM_REMAP flag on NULL address resulting
in EINVAL error and more kernel coverage.
Signed-off-by: Piyush Goyal <piyushgoyaliit@gmail.com>
---
stress-shm-sysv.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/stress-shm-sysv.c b/stress-shm-sysv.c
index 9efaa091..e2aff788 100644
--- a/stress-shm-sysv.c
+++ b/stress-shm-sysv.c
@@ -149,6 +149,10 @@ static void exercise_shmat(int shm_id)
addr = shmat(shm_id, NULL, SHM_RND);
(void)addr;
+
+ /* Exercise shmat with SHM_REMAP flag on NULL address */
+ addr = shmat(shm_id, NULL, SHM_REMAP);
+ (void)addr;
}
#if defined(__linux__)
--
2.25.1
next prev parent reply other threads:[~2020-09-22 7:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 7:27 [PATCH 1/3] stress-shm-sysv: exercise shmat with invalid flags Piyush Goyal
2020-09-22 7:27 ` [PATCH 2/3] stress-shm-sysv: exercise shmat with all possible flags Piyush Goyal
2020-09-22 7:27 ` Piyush Goyal [this message]
2020-09-22 8:16 ` [PATCH 1/3] stress-shm-sysv: exercise shmat with invalid flags Colin Ian King
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