Re: [PATCH] io_uring: Fix WARNING in io_cqring_event_overflow

Jens Axboe
2024-07-03T12:07:38Z

On 7/2/24 6:48 PM, Pei Li wrote:
> Acquire ctx->completion_lock in io_add_aux_cqe().
>
> syzbot reports a warning message in io_cqring_event_overflow(). We were
> supposed to hold ctx->completion_lock before entering this function, but
> instead we did not.
>
> This patch acquires and releases ctx->completion_lock when entering and
> exiting io_add_aux_cqe().

Thanks for sending a patch, but Pavel already fixed it:

https://git.kernel.dk/cgit/linux/commit/?h=for-6.11/io_uring&id=3b7c16be30e35ec035b2efcc0f7d7b368789c443

--
Jens Axboe