tree 980d5007553988fec749dbdc9b0e77c32a84ba61
parent 63708e4b06859176df8498322264362089ef54a6
author Jens Axboe <axboe@kernel.dk> 1671802628 -0700
committer Greg Kroah-Hartman <gregkh@google.com> 1677693106 +0000

UPSTREAM: io_uring: check for valid register opcode earlier

[ Upstream commit 343190841a1f22b96996d9f8cfab902a4d1bfd0e ]

We only check the register opcode value inside the restricted ring
section, move it into the main io_uring_register() function instead
and check it up front.

Change-Id: I4b5f782dad48eb0e7f04d5956cc087494e02b2ec
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Bug: 268174392
(cherry picked from commit 78e8151f04f0aa0a5809aafea5de3719c2360033)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>