netdev - Re: [PATCH 2/2] io_uring: make sure accept honor rlimit nofile

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Message-Id: <20200319.214329.1659736613337215790.davem@davemloft.net>
Date:   Thu, 19 Mar 2020 21:43:29 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     axboe@...nel.dk
Cc:     io-uring@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] io_uring: make sure accept honor rlimit nofile

From: Jens Axboe <axboe@...nel.dk>
Date: Thu, 19 Mar 2020 20:22:16 -0600

> Just like commit 21ec2da35ce3, this fixes the fact that
> IORING_OP_ACCEPT ends up using get_unused_fd_flags(), which checks
> current->signal->rlim[] for limits.
> 
> Add an extra argument to __sys_accept4_file() that allows us to pass
> in the proper nofile limit, and grab it at request prep time.
> 
> Signed-off-by: Jens Axboe <axboe@...nel.dk>

Acked-by: David S. Miller <davem@...emloft.net>