From: Jens Axboe <[email protected]>
To: Jiri Slaby <[email protected]>, io-uring <[email protected]>
Cc: Pavel Begunkov <[email protected]>
Subject: Re: [PATCH v2] io_uring/net: ensure compat import handlers clear free_iov
Date: Tue, 20 Dec 2022 07:15:31 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 12/19/22 11:45 PM, Jiri Slaby wrote:
> On 19. 12. 22, 15:36, Jens Axboe wrote:
>> If we're not allocating the vectors because the count is below
>> UIO_FASTIOV, we still do need to properly clear ->free_iov to prevent
>> an erronous free of on-stack data.
>>
>> Reported-by: Jiri Slaby <[email protected]>
>> Fixes: 4c17a496a7a0 ("io_uring/net: fix cleanup double free free_iov init")
>> Cc: [email protected]
>> Signed-off-by: Jens Axboe <[email protected]>
>
> Tested-by: Jiri Slaby <[email protected]>
Thanks for testing (and reporting).
--
Jens Axboe
prev parent reply other threads:[~2022-12-20 14:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-19 14:36 [PATCH v2] io_uring/net: ensure compat import handlers clear free_iov Jens Axboe
2022-12-20 6:45 ` Jiri Slaby
2022-12-20 14:15 ` Jens Axboe [this message]
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