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io_uring: nospec index for tags on files update
authorPavel Begunkov <asml.silence@gmail.com>
Wed, 6 Apr 2022 11:43:57 +0000 (12:43 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Apr 2022 18:59:20 +0000 (20:59 +0200)
commit50c981bd77900293c32f91b3d28344554a5f3c0b
treee2b13a7805fae08e58146ddadc4c9600b2c1080ctree
parent685f42de443d5bb8a81cc238c6047873f1aebaebcommit | diff
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 <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/io_uring.c diff | blob | history
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