From: Greg KH <gregkh@linuxfoundation.org>
To: Ekansh Gupta <quic_ekangupt@quicinc.com>
Cc: srinivas.kandagatla@linaro.org, linux-arm-msm@vger.kernel.org,
ekangupt@qti.qualcomm.com, linux-kernel@vger.kernel.org,
fastrpc.upstream@qti.qualcomm.com
Subject: Re: [PATCH v1] misc: fastrpc: Reset metadata buffer to avoid incorrect free
Date: Thu, 28 Sep 2023 15:08:12 +0200 [thread overview]
Message-ID: <2023092840-balmy-proved-e337@gregkh> (raw)
In-Reply-To: <1693463723-16937-1-git-send-email-quic_ekangupt@quicinc.com>
On Thu, Aug 31, 2023 at 12:05:23PM +0530, Ekansh Gupta wrote:
> Metadata buffer is allocated during get_args for any remote call.
> This buffer carries buffers, fdlists and other payload information
> for the call. If the buffer is not reset, put_args might find some
> garbage FDs in the fdlist which might have an existing mapping in
> the list. This could result in improper freeing of FD map when DSP
> might still be using the buffer. Added change to reset the metadata
> buffer after allocation.
>
> Signed-off-by: Ekansh Gupta <quic_ekangupt@quicinc.com>
What commit id does this fix?
And you sent 3 patches, but not in a list, what order are they to be
applied in?
thanks,
greg k-h
next prev parent reply other threads:[~2023-09-28 13:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-31 6:35 [PATCH v1] misc: fastrpc: Reset metadata buffer to avoid incorrect free Ekansh Gupta
2023-09-28 13:08 ` Greg KH [this message]
2023-09-29 7:23 ` Ekansh Gupta
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