1 files changed, 3 insertions, 0 deletions

diff --git a/ipc/shm.c b/ipc/shm.c
index 9e51bf246344..89fc354156cb 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -493,6 +493,9 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
         if (size < SHMMIN || size > ns->shm_ctlmax)
                 return -EINVAL;
 
+        if (numpages << PAGE_SHIFT < size)
+                return -ENOSPC;
+
         if (ns->shm_tot + numpages < ns->shm_tot ||
                         ns->shm_tot + numpages > ns->shm_ctlall)
                 return -ENOSPC;