Re: [PATCH] iwlwifi: actually check allocated conf_tlv pointer

From: Kalle Valo
Date: Sun Apr 05 2020 - 05:15:06 EST


Luca Coelho <luca@xxxxxxxxx> writes:

> On Sun, 2020-04-05 at 11:44 +0300, Kalle Valo wrote:
>> Chris Rorvick <chris@xxxxxxxxxxx> writes:
>>
>> > Commit 71bc0334a637 ("iwlwifi: check allocated pointer when allocating
>> > conf_tlvs") attempted to fix a typoe introduced by commit 17b809c9b22e
>> > ("iwlwifi: dbg: move debug data to a struct") but does not implement the
>> > check correctly.
>> >
>> > Tweeted-by: @grsecurity
>> > Signed-off-by: Chris Rorvick <chris@xxxxxxxxxxx>
>>
>> I'll add:
>>
>> Fixes: 71bc0334a637 ("iwlwifi: check allocated pointer when allocating conf_tlvs")
>>
>> > ---
>> > In this wasn't picked up?
>>
>> Luca, can I take this directly?
>
> Yes, please take it directly.

Ok, assigned it to me in patchwork.

> This can happen in OOM situations and, when it does, we will
> potentially try to dereference a NULL pointer.

I'll add this to the commit log.

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