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

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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: 5d24321e4c ("io_uring: Introduce getsockname io_uring cmd")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2026-02-24 11:36:09 -07:00
parent ea129e55c9
commit a46435537a
1 changed files with 1 additions and 1 deletions
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2
io_uring/cmd_net.c
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@ -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;