Re: [PATCH] io_uring: Add NULL checks for current->io_uring

From: Jens Axboe
Date: Wed Jan 11 2023 - 09:49:56 EST


On 1/11/23 3:19 AM, Jia-Ju Bai wrote:
> As described in a previous commit 998b30c3948e, current->io_uring could
> be NULL, and thus a NULL check is required for this variable.
>
> In the same way, other functions that access current->io_uring also
> require NULL checks of this variable.

This seems odd. Have you actually seen traces of this, or is it just
based on "guess it can be NULL sometimes, check it in all spots"?

--
Jens Axboe