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| Started by | Michael Ellerman <mpe@ellerman.id.au> |
|---|---|
| First post | 2015-10-21 13:50 +0200 |
| Last post | 2015-10-21 13:50 +0200 |
| Articles | 1 — 1 participant |
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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
| From | Michael Ellerman <mpe@ellerman.id.au> |
|---|---|
| Date | 2015-10-21 13:50 +0200 |
| Subject | Re: [v2] powerpc/prom: Avoid reference to potentially freed memory |
| Message-ID | <qm043-1Rq-29@gated-at.bofh.it> |
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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