4.14-stable review patch. If anyone has any objections, please let me know.
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From: Mohamed Ghannam simo.ghannam@gmail.com
[ 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@gmail.com Acked-by: Santosh Shilimkar santosh.shilimkar@oracle.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/rds/rdma.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -877,6 +877,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, err: if (page) put_page(page); + rm->atomic.op_active = 0; kfree(rm->atomic.op_notifier);
return ret;