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authorPavel Begunkov <asml.silence@gmail.com>2022-04-06 12:43:57 +0100
committerJens Axboe <axboe@kernel.dk>2022-04-07 11:17:47 -0600
commit34bb77184123ae401100a4d156584f12fa630e5c (patch)
tree07874f66d3d4c054d10dd9f47e34bc0a563971a4 /fs
parent0f5e4b83b37a96e3643951588ed7176b9b187c0a (diff)
downloadlinux-34bb77184123ae401100a4d156584f12fa630e5c.tar.gz
io_uring: nospec index for tags on files update
Don't forget to array_index_nospec() for indexes before updating rsrc
tags in __io_sqe_files_update(), just use already safe and precalculated
index @i.

Fixes: c3bdad0271834 ("io_uring: add generic rsrc update with tags")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
-rw-r--r--fs/io_uring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index a88eca3e0902..b517fd9c3f60 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -9094,7 +9094,7 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
 				err = -EBADF;
 				break;
 			}
-			*io_get_tag_slot(data, up->offset + done) = tag;
+			*io_get_tag_slot(data, i) = tag;
 			io_fixed_file_set(file_slot, file);
 			err = io_sqe_file_register(ctx, file, i);
 			if (err) {