[tor-bugs] #26150 [Obfuscation/BridgeDB]: legacy bridge filtering code in bridgedb is suddenly hitting errors
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Mon May 21 18:15:12 UTC 2018
#26150: legacy bridge filtering code in bridgedb is suddenly hitting errors
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Reporter: isis | Owner: isis
Type: defect | Status: assigned
Priority: Immediate | Milestone:
Component: Obfuscation/BridgeDB | Version:
Severity: Normal | Keywords: bridgedb-db
Actual Points: | Parent ID:
Points: 1 | Reviewer:
Sponsor: |
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{{{
18:11:46 DEBUG L227:bridgerequest.justOneP() No pluggable transports
were requested.
[57/671]
18:11:46 INFO L250:bridgerequest.generate() Adding a filter to
HTTPSBridgeRequest for 185.220.101.13 for IPv4 bridges...
18:11:46 INFO L300:distributor.getBridges() Attempting to get bridges
for 185.220.101.13...
18:11:46 DEBUG L159:distributor.getSubnet() Client IP was within area:
185.220.0.0/16
18:11:46 DEBUG L44:filters.bySubring() Creating a filter for
assigning bridges to subhashring 2-of-3...
18:11:46 DEBUG L325:distributor.getBridges() Client request within time
interval: 1526925600
18:11:46 DEBUG L326:distributor.getBridges() Assigned client to
subhashring 2/3
18:11:46 DEBUG L327:distributor.getBridges() Assigned client to
subhashring position: 726333b07ff8c62f7e44178f1b2153f28d953199
18:11:46 DEBUG L328:distributor.getBridges() Total bridges: 1540
18:11:46 DEBUG L329:distributor.getBridges() Bridge filters:
bySubring2of3 byIPv4()
18:11:46 DEBUG L333:distributor.getBridges() Cache hit
frozenset([<function bySubring2of3 at 0x7f267423dde8>, <function byIPv4()
at 0x7f267727ce60>])
18:11:46 DEBUG L269:distribute.bridgesPerR() Returning 3 bridges from
ring of len: 508
18:11:46 DEBUG L330:Bridges.getBridges() Got duplicate bridge
'72eaf88f51eaa96e2f4cab6fc360333b598ae19b' in main hashring for position
'726333b07ff8c62f7e44178f1b2153f28d953199'.
18:11:46 DEBUG L275:Bridges.filterDistinct() Got 7 possible bridges to
filter
18:11:46 ERROR L862:server.render() 'NoneType' object has no
attribute 'version'
Traceback (most recent call last):
File "/home/bridgedb/virtualenvs/bridgedb/local/lib/python2.7/site-
packages/bridgedb-0.6.5+0.gd9741cf.dirty-
py2.7.egg/bridgedb/distributors/https/server.py", line 860, in render
response = self.getBridgeRequestAnswer(request)
File "/home/bridgedb/virtualenvs/bridgedb/local/lib/python2.7/site-
packages/bridgedb-0.6.5+0.gd9741cf.dirty-
py2.7.egg/bridgedb/distributors/https/server.py", line 904, in
getBridgeRequestAnswer
bridges = self.distributor.getBridges(bridgeRequest, interval)
File "/home/bridgedb/virtualenvs/bridgedb/local/lib/python2.7/site-
packages/bridgedb-0.6.5+0.gd9741cf.dirty-
py2.7.egg/bridgedb/distributors/https/distributor.py", line 345, in
getBridges
answer = ring.getBridges(position, returnNum, filterBySubnet=True)
File "/home/bridgedb/virtualenvs/bridgedb/local/lib/python2.7/site-
packages/bridgedb-0.6.5+0.gd9741cf.dirty-py2.7.egg/bridgedb/Bridges.py",
line 334, in getBridges
bridges = self.filterDistinctSubnets(keys)
File "/home/bridgedb/virtualenvs/bridgedb/local/lib/python2.7/site-
packages/bridgedb-0.6.5+0.gd9741cf.dirty-py2.7.egg/bridgedb/Bridges.py",
line 295, in filterDistinctSubnets
if bridge.address.version == 4:
AttributeError: 'NoneType' object has no attribute 'version'
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26150>
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