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Re: [tor-bugs] #2183 [Tor Relay]: router_rebuild_descriptor(): Bug: Couldn't generate extra-info descriptor
#2183: router_rebuild_descriptor(): Bug: Couldn't generate extra-info descriptor
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Reporter: Falo | Owner: karsten
Type: defect | Status: needs_review
Priority: normal | Milestone:
Component: Tor Relay | Version: Tor: 0.2.2.17-alpha
Keywords: | Parent:
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Comment(by karsten):
To recap, we have 3 issues and 3 (partial) solutions here:
- Relays don't realize when they are generating extra-info descriptors
with statistics that exceed the 50 KB limit. This problem is fixed by my
branch fix2183. Needs review.
- Relays that fail to generate an extra-info descriptor for whatever
reason also fail to generate a server descriptor. They just print out a
warning and retry a couple of milliseconds later. rransom wrote a patch in
his mitigate2183 branch that at least generates a server descriptor in
this case and that, IMO, needs more work. Sebastian mentioned that failing
may also be an option if we can't generate an extra-info descriptor, or
we'll never learn about this bug. Needs discussion.
- Very fast relays generate exit-port statistics that require 40-45 KB of
extra-info descriptors. We don't have a fix yet, but I proposed to exclude
exit-port statistics from extra-info descriptors. We're waiting for a word
from Steven who wanted these statistics a year ago.
I'm opening new tickets for issues 2 and 3. From now on, please only
comment on issue 1 in this task.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2183#comment:20>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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