Re: [v2] powerpc/prom: Avoid reference to potentially freed memory

From	Michael Ellerman <mpe@ellerman.id.au>
Newsgroups	linux.kernel
Subject	Re: [v2] powerpc/prom: Avoid reference to potentially freed memory
Date	2015-10-21 13:50 +0200
Message-ID	<qm043-1Rq-29@gated-at.bofh.it> (permalink)
References	<qkkTf-1Tk-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, 2015-16-10 at 21:38:45 UTC, Christophe Jaillet wrote:
> of_get_property() is used inside the loop, but then the reference to the
> node is dropped before dereferencing the prop pointer, which could by then
> point to junk if the node has been freed.
> 
> Instead use of_property_read_u32() to actually read the property
> value before dropping the reference.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/1856f50c66dff0afb4a6a3e2

cheers
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Re: [v2] powerpc/prom: Avoid reference to potentially freed memory Michael Ellerman <mpe@ellerman.id.au> - 2015-10-21 13:50 +0200

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