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-rw-r--r--net/rds/message.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/rds/message.c b/net/rds/message.c
index f0a4658f3273..aff589cc022e 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -197,6 +197,9 @@ struct rds_message *rds_message_alloc(unsigned int extra_len, gfp_t gfp)
{
struct rds_message *rm;
+ if (extra_len > KMALLOC_MAX_SIZE - sizeof(struct rds_message))
+ return NULL;
+
rm = kzalloc(sizeof(struct rds_message) + extra_len, gfp);
if (!rm)
goto out;