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Subject[PATCH 3/3] stress-shmsysv: exercise shmat with SHM_REMAP flag on NULL address
Date
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
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