From: Mohamed Ghannam <simo.ghannam@xxxxxxxxx> This patch has been added to the 4.1 stable tree. If you have any objections, please let us know. =============== [ Upstream commit 7d11f77f84b27cef452cee332f4e469503084737 ] set rm->atomic.op_active to 0 when rds_pin_pages() fails or the user supplied address is invalid, this prevents a NULL pointer usage in rds_atomic_free_op() Signed-off-by: Mohamed Ghannam <simo.ghannam@xxxxxxxxx> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> --- net/rds/rdma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 3e6b133c5e96..b1ec96bca937 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -866,6 +866,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm, err: if (page) put_page(page); + rm->atomic.op_active = 0; kfree(rm->atomic.op_notifier); return ret; -- 2.14.1