[Skiboot] [PATCH 3/7] secvar/backend: fix an integer underflow bug
dja at axtens.net
Thu Jul 8 19:57:43 AEST 2021
Nayna <nayna at linux.vnet.ibm.com> writes:
> On 7/1/21 8:41 AM, Daniel Axtens wrote:
>> If a declared size is smaller than uuid size, we end up allocating
>> with an allocation of a 'negative' number, which is a huge 64 bit
> Wouldn't Nick's patch
> (https://lists.ozlabs.org/pipermail/skiboot/2021-July/017641.html) handle
> this ?
I don't think so: I had applied an earlier version of that patch when I
was developing this fuzzing and my test cases.
v2 has a test case so you could test with and without Nick's commit if
you wanted to be sure.
> Thanks & Regards,
> - Nayna
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