linux-kernel - Re: [PATCH] android: binder: fixup crash introduced by moving buffer hdr

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Message-ID: <20170901065230.GA6283@kroah.com>
Date:   Fri, 1 Sep 2017 08:52:30 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Sherry Yang <sherryy@...roid.com>
Cc:     linux-kernel@...r.kernel.org,
        "open list:ANDROID DRIVERS" <devel@...verdev.osuosl.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Riley Andrews <riandrews@...roid.com>, maco@...gle.com,
        tkjos@...gle.com
Subject: Re: [PATCH] android: binder: fixup crash introduced by moving buffer
 hdr

On Thu, Aug 31, 2017 at 10:26:06AM -0700, Sherry Yang wrote:
> Fix crash introduced by 74310e06be4d74dcf67cd108366710dee5c576d5
> (android: binder: Move buffer out of area shared with user space)
> when close is called after open without mmap in between.
> 
> Signed-off-by: Sherry Yang <sherryy@...roid.com>
> ---
>  drivers/android/binder_alloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

In the future, please include a "Reported-by:" tag that shows who
reported the issue, and a Fixes: tag with the info for what commit this
fixes.

And no need to give the full sha1, you can shorten it, this is the
standard for kernel commit:
	74310e06be4d ("android: binder: Move buffer out of area shared with user space")

I'll edit this patch up with that info, but in the future, please do
this yourself.

thanks,

greg k-h