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SubjectRe: [PATCH][next] io_uring: fix missing error return when percpu_ref_init fails
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On 20/12/2019 23:48, Jens Axboe wrote:
> On 12/20/19 4:33 PM, Colin King wrote:
>> From: Colin Ian King <colin.king@canonical.com>
>>
>> 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.

Fortunately we have Coverity to the rescue :-)

Colin


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