From: Jens Axboe <[email protected]>
To: Colin King <[email protected]>,
Alexander Viro <[email protected]>,
[email protected], [email protected]
Cc: [email protected], [email protected]
Subject: Re: [PATCH][next] io_uring: fix missing error return when percpu_ref_init fails
Date: Fri, 20 Dec 2019 16:48:48 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 12/20/19 4:33 PM, Colin King wrote:
> From: Colin Ian King <[email protected]>
>
> Currently when the call to percpu_ref_init fails ctx->file_data is
> set to null and because there is a missing return statement the
> following statement dereferences this null pointer causing an oops.
> Fix this by adding the missing -ENOMEM return to avoid the oops.
Nice, thanks! I'm guessing I didn't have the necessary magic debug
options to allow failure injection for failing.
--
Jens Axboe
next prev parent reply other threads:[~2019-12-20 23:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-20 23:33 [PATCH][next] io_uring: fix missing error return when percpu_ref_init fails Colin King
2019-12-20 23:48 ` Jens Axboe [this message]
2019-12-20 23:49 ` Colin Ian King
2019-12-20 23:50 ` Jens Axboe
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