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[tor-bugs] #19282 [Metrics/CollecTor]: Don't store truncated descriptors
#19282: Don't store truncated descriptors
-----------------------------------+-----------------
Reporter: karsten | Owner:
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Metrics/CollecTor | Version:
Severity: Normal | Keywords:
Actual Points: | Parent ID:
Points: | Reviewer:
Sponsor: |
-----------------------------------+-----------------
Thomas/oma found this while processing archived votes:
{{{
org.torproject.descriptor.DescriptorParseException: r line 'r puffytor'
has fewer space-separated elements than expected.
in votes-2016-04/01/2016-04-01-07-00-00-vote-
14C131DFC5C6F93646BE72FA1401C02A8DF2E8B4-16E97744121B2FFD387C43246F22153741FD22F8
org.torproject.descriptor.DescriptorParseException:
'YbVD6iBkPXGbsypMnn4d/sQA4I3hBxF' in line 'm 18,19,20
sha256=YbVD6iBkPXGbsypMnn4d/sQA4I3hBxF' is not a valid base64-encoded
32-byte value.
in votes-2016-04/01/2016-04-01-06-00-00-vote-
49015F787433103580E3B66A1707A00E60F2D15B-
B98C42D8E4178E780E3DA2F048C5D25434E8B66D
org.torproject.descriptor.DescriptorParseException: r line 'r
KingJasperTheGreat JW3pOXIv/G' has fewer space-separated elements than
expected.
in votes-2016-04/01/2016-04-01-08-00-00-vote-
49015F787433103580E3B66A1707A00E60F2D15B-
2C4AA4675C6BE8DF0D2898A42B1D83DE60FF5348
org.torproject.descriptor.DescriptorParseException: '13,14,' in line 'm
13,14,' is not a valid base64-encoded 32-byte value.
in votes-2016-04/01/2016-04-01-09-00-00-vote-
D586D18309DED4CD6D57C18FDB97EFA96D330566-4BF4EEF4A8618447D6E363ED7D3E3835CEB5D379
org.torproject.descriptor.DescriptorParseException: Keyword 'directory-
signature' is contained 0 times, but must be contained exactly once.
in votes-2016-04/01/2016-04-01-10-00-00-vote-
E8A9C45EDE6D711294FADF8E7951F4DE6CA56B58-81E1E9BEBAA47A305D404AFE0E54A32AD603F648
org.torproject.descriptor.DescriptorParseException: 'J35KTpJ2' in line 'm
18,19,20,22 sha256=J35KTpJ2' is not a valid base64-encoded 32-byte value.
in votes-2016-04/01/2016-04-01-05-00-00-vote-
D586D18309DED4CD6D57C18FDB97EFA96D330566-636CBFED055E4C21442FC6213FBF172A34355BC4
org.torproject.descriptor.DescriptorParseException: r line 'r seele
AAoQ1DAR6kkoo19hBAX5K0QztNw xgEIpqUwO/AGzMqJuybadp0MHDg 2016-04-0' has
fewer space-separated elements than expected.
in votes-2016-04/01/2016-04-01-09-00-00-vote-
23D15D965BC35114467363C165C4F724B64B4F66-01917F128E43315854AC6D3CDDAF5AC0F2C6ACFC
org.torproject.descriptor.DescriptorParseException: '1iWRvv4H9t0LHHLRZL'
in line 'm 13,14,15 sha256=1iWRvv4H9t0LHHLRZL' is not a valid
base64-encoded 32-byte value.
in votes-2016-04/01/2016-04-01-07-00-00-vote-
49015F787433103580E3B66A1707A00E60F2D15B-
8DC4AB2F5E83E5117CB1BF8590658BFB2EEF40B4
org.torproject.descriptor.DescriptorParseException: Keyword 'directory-
signature' is contained 0 times, but must be contained exactly once.
in votes-2016-04/01/2016-04-01-05-00-00-vote-
49015F787433103580E3B66A1707A00E60F2D15B-
DC09DDCD3B34DF976A0D6D1645DE8BEBAB3646B4
org.torproject.descriptor.DescriptorParseException: r line 'r Unnamed
GfWunVflTNsyPhaL2FetR0MO96U 2Zw9flyVAbb0Uc13fWa2+o//rg8 2016-03-31 12:'
has fewer space-separated elements than expected.
in votes-2016-04/01/2016-04-01-09-00-00-vote-
E8A9C45EDE6D711294FADF8E7951F4DE6CA56B58-1F1431417D0CEC7086442D36FB88791998CC1961
org.torproject.descriptor.DescriptorParseException: Keyword 'directory-
signature' is contained 0 times, but must be contained exactly once.
in votes-2016-04/01/2016-04-01-10-00-00-vote-
EFCBE720AB3A82B99F9E953CD5BF50F7EEFC7B97-48C075797027F060F9C2ECA203DA83B519ADD488
org.torproject.descriptor.DescriptorParseException: r line 'r seele
AAoQ1DAR6kkoo19hBAX5K0QztNw xgEIpqUwO/AGzMqJuybadp0MHDg 2016-04-0' has
fewer space-separated elements than expected.
in votes-2016-04/01/2016-04-01-10-00-00-vote-
23D15D965BC35114467363C165C4F724B64B4F66-03532324381822931CBDBB8C47BBC23C13A1FDE6
org.torproject.descriptor.DescriptorParseException: Keyword 'directory-
signature' is contained 0 times, but must be contained exactly once.
in votes-2016-04/01/2016-04-01-06-00-00-vote-
EFCBE720AB3A82B99F9E953CD5BF50F7EEFC7B97-5132376E2D44A7DEDAB25D6C2B1E5D168DC39EB5
org.torproject.descriptor.DescriptorParseException: Illegal key-value pair
in line 'w Bandwi'.
in votes-2016-04/01/2016-04-01-11-00-00-vote-
D586D18309DED4CD6D57C18FDB97EFA96D330566-7EF062C0774ED2AFA0200770F9DE0141006AD4EB
org.torproject.descriptor.DescriptorParseException: 'GYa' in line 'm
13,14,15 sha256=GYa' is not a valid base64-encoded 32-byte value.
in votes-2016-04/01/2016-04-01-10-00-00-vote-
0232AF901C31A04EE9848595AF9BB7620D4C5B2E-
19FD6206F29626F8B94EDDAC25CE17A264DCF998
org.torproject.descriptor.DescriptorParseException: r line 'r seele
AAoQ1DAR6kkoo19hBAX5K0QztNw iU9ixCKwJOUEHUO1h+KIEkQf0qU 2' has fewer
space-separated elements than expected.
in votes-2016-04/01/2016-04-01-05-00-00-vote-
23D15D965BC35114467363C165C4F724B64B4F66-CB23F13DC89D5F4A61FF54AC5E2D591DE06A91AE
org.torproject.descriptor.DescriptorParseException: r line 'r yashodara
PW/bW8B4bVFa55aETVXD8Q8aR' has fewer space-separated elements than
expected.
in votes-2016-04/01/2016-04-01-08-00-00-vote-
14C131DFC5C6F93646BE72FA1401C02A8DF2E8B4-758D6B9D8A8E586DC6E04377669AD429284F96D6
}}}
The reason is that the disk ran full on that day, and apparently we only
stored truncated votes to disk. We should detect that and only store
complete descriptors, maybe by storing to a `.tmp` file and then renaming.
This issue might not be limited to votes.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19282>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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