Commit a4643553 authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring/cmd_net: use READ_ONCE() for ->addr3 read 



Any SQE read should use READ_ONCE(), to ensure the result is read once
and only once. Doesn't really matter for this case, but it's better to
keep these 100% consistent and always use READ_ONCE() for the prep side
of SQE handling.

Fixes: 5d24321e ("io_uring: Introduce getsockname io_uring cmd")
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent ea129e55

io_uring/cmd_net.c

+1 −1
Original line number Diff line number Diff line
@@ -146,7 +146,7 @@ static int io_uring_cmd_getsockname(struct socket *sock, 
		return -EINVAL;



	uaddr = u64_to_user_ptr(READ_ONCE(sqe->addr));

	ulen = u64_to_user_ptr(sqe->addr3);

	ulen = u64_to_user_ptr(READ_ONCE(sqe->addr3));

	peer = READ_ONCE(sqe->optlen);

	if (peer > 1)

		return -EINVAL;