Re: [PATCH] hfsplus: Add record offset check

[Pekka Enberg]

On Wed, Jul 13, 2011 at 6:58 AM, Hin-Tak Leung <hintak_leung@xxxxxxxxxxx> wrote:
>> Corrupted disk may return record offset which is larger
>> than node size
>> and cause general protection fault like below:
>
> <snipped>
>
>> This patch add guard for this situation.
>>
>> Signed-off-by: Naohiro Aota <naota@xxxxxxxxx>
>
> Nacked. This isn't acceptable. Explained above.

'recoff' is read from disk which can be easily fuzzed to have an
offset that's larger than node_size, no? The kernel shouldn't oops in
that cases so what's the problem with the patch? (The changelog is
terribly vague, though, and needs to be fixed).

                                Pekka
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