Comment # 5
on bug 11634
from Alexis La Goutte
(In reply to Jim Young from comment #4)
> Alexis,
>
> Using historic packages from
> https://www.wireshark.org/download/win64/all-versions/
> I can confirm that:
>
> 1.11.2 (5033435add3d880b188810361fcb6bfaf0fba4b1) is ok.
>
> 1.11.3 (1dd5d3a6aae79e6a1f566a9600264d8e91ffedd6) has the issue.
>
> It looks like 1.11.2 assumed (correctly) that the PDU starts at frame offset
> 0x11, but with 1.11.3 PDU we are 8 octets further into at frame offset 0x19.
> The issue is the 8 octets that comprise the "ISO 10589 ISIS InTRA Domain
> Routeing Information Exchange Protocol" tree objects are no longer available
> to dissect_hello_checksum_clv() in the latter version. These initial 8
> octets appear to be a required part of the PDU for purposes of checksum
> calculation.
>
> I'm guessing with fresh eyes it should be possible to find issue if the diff
> between these two versions.
nice !
it will be easy to make a bisect (need only time to build...)
There is only 2407 commit ;-)
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