FAILED: patch "[PATCH] io_uring: ensure open/openat2 name is cleaned on cancelation" failed to apply to 5.8-stable tree

The patch below does not apply to the 5.8-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From f3cd4850504ff612d0ea77a0aaf29b66c98fcefe Mon Sep 17 00:00:00 2001
From: Jens Axboe <[email protected]>
Date: Thu, 24 Sep 2020 14:55:54 -0600
Subject: [PATCH] io_uring: ensure open/openat2 name is cleaned on cancelation

If we cancel these requests, we'll leak the memory associated with the filename. Add them to the table of ops that need cleaning, if REQ_F_NEED_CLEANUP is set.

Cc [email protected]

Fixes e62753e4e292 ("io_uring: call statx directly")

Reviewed-by Stefano Garzarella <[email protected]>

Signed-off-by Jens Axboe <[email protected]>

fs/io_uring.c +5 -0

index e6004b92e553..0ab16df31288 100644
@@ -5671,6 +5671,11 @@ static void __io_clean_op(struct io_kiocb *req)
 			io_put_file(req, req->splice.file_in,
 				    (req->splice.flags & SPLICE_F_FD_IN_FIXED));
 			break;
+		case IORING_OP_OPENAT:
+		case IORING_OP_OPENAT2:
+			if (req->open.filename)
+				putname(req->open.filename);
+			break;
 		}
 		req->flags &= ~REQ_F_NEED_CLEANUP;
 	}

Jens, if you want I can do the backport for 5.8.