Wireshark-dev: Re: [Wireshark-dev] [Wireshark-commits] rev 47381: /trunk-1.8/epan/dissectors/ /
On Thu, Jan 31, 2013 at 11:39 AM, Maynard, Chris
<Christopher.Maynard@xxxxxxxxx> wrote:
> Thanks for back-porting the fix to 1.8. My apologies for not doing so before.
>
> I don't think fixes to *all* Coverity issues necessarily need to be back-ported though, fixes such as http://anonsvn.wireshark.org/viewvc?view=revision&revision=47073, for example. But your point is valid, and in general yes, it's a good idea. I will try to be more diligent with scheduling Coverity fixes to be backported.
>
> As for the duplicate check, that does look strange. To me, it would make sense to remove the second one. I'm surprised that Coverity (or Clang or VS Code Analysis) didn't flag the second block as "Logically Dead Code".
>
> Maybe it would also make sense to move the 1st check *before* this line:
> next_tvb = tvb_new_subset_remaining(tvb, offset);
Agreed, that makes sense to me.
Evan
> - Chris
>
> -----Original Message-----
> From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Evan Huus
> Sent: Wednesday, January 30, 2013 7:45 PM
> To: Wireshark Developer List
> Subject: Re: [Wireshark-dev] [Wireshark-commits] rev 47381: /trunk-1.8/epan/dissectors/ /trunk-1.8/epan/dissectors/: packet-tcp.c
>
> Two points of interest here:
>
> - The original fix in trunk was a coverity fix and wasn't backported at the time (I assume) because it wasn't known to fix an actual crash.
> Should we have some sort of policy to avoid this, by e.g. backporting fixes for all coverity issues when possible?
>
> - The exact check being made happens in two different places in trunk with *exactly* the same code. Is that intentional (in which case there should be an explanatory comment) or can one of them be removed?
>
> Cheers,
> Evan
>
> On Wed, Jan 30, 2013 at 7:41 PM, <eapache@xxxxxxxxxxxxx> wrote:
>> http://anonsvn.wireshark.org/viewvc/viewvc.cgi?view=rev&revision=47381
>>
>> User: eapache
>> Date: 2013/01/30 04:41 PM
>>
>> Log:
>> Manually rediscover r43185 to fix
>> https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8274
>>
>> Directory: /trunk-1.8/epan/dissectors/
>> Changes Path Action
>> +1 -1 packet-tcp.c Modified
>>
>
> --
>
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