From 50c981bd77900293c32f91b3d28344554a5f3c0b Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Wed, 6 Apr 2022 12:43:57 +0100 Subject: io_uring: nospec index for tags on files update [ Upstream commit 34bb77184123ae401100a4d156584f12fa630e5c ] 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 Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs') diff --git a/fs/io_uring.c b/fs/io_uring.c index 5fc3a62eae72..21823d1e91de 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8589,7 +8589,7 @@ 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) { -- cgit v1.2.3