In the original code if the copy_from_user() fails in rds_rdma_pages() then the error handling fails and we get a stack trace from kmalloc(). Signed-off-by: Dan Carpenter <error27@xxxxxxxxx> diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 4806467..1a41deb 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -522,7 +522,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, struct rds_rdma_args *args; struct rds_iovec vec; struct rm_rdma_op *op = &rm->rdma; - unsigned int nr_pages; + int nr_pages; unsigned int nr_bytes; struct page **pages = NULL; struct rds_iovec __user *local_vec; -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html