[tor-bugs] #28241 [Core Tor/Tor]: Corrupt cached consensus and microdescs

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#28241: Corrupt cached consensus and microdescs
------------------------------+-----------------------------------
     Reporter:  teor          |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.5.x-final
    Component:  Core Tor/Tor  |    Version:  Tor: 0.3.5.3-alpha
     Severity:  Normal        |   Keywords:  035-must, regression?
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+-----------------------------------
 A relay operator reported file corruption on disk:
 {{{
 Non-exit
 Oct 28 23:48:32.587 [notice] Tor 0.3.5.3-alpha running on FreeBSD with
 Libevent 2.1.8-stable, OpenSSL LibreSSL 2.7.4, Zlib 1.2.11, Liblzma
 5.2.3, and Libzstd 1.3.5.
 ...
 Oct 28 23:48:33.000 [notice] Bootstrapped 0%: Starting
 Oct 28 23:48:34.000 [warn] couldn't find start of hashed material
 "network-status-version"
 Oct 28 23:48:34.000 [warn] Unable to compute digest of network-status
 Oct 28 23:48:34.000 [warn] Unable to parse networkstatus consensus
 Oct 28 23:48:34.000 [warn] Couldn't load consensus microdesc
 networkstatus from cache
 Oct 28 23:48:34.000 [warn] parse error: Malformed object: missing object
 end line
 Oct 28 23:48:34.000 [warn] Unparseable microdescriptor

 Bridge:
 Oct 28 14:35:17.667 [notice] Tor 0.3.3.9 (git-45028085ea188baf) running
 on FreeBSD with Libevent 2.1.8-stable, OpenSSL LibreSSL 2.7.4, Zlib
 1.2.11, Liblzma 5.2.3, and Libzstd 1.3.5.
 ...
 Oct 28 14:35:53.000 [notice] Bootstrapped 0%: Starting
 Oct 28 14:35:55.000 [warn] parse error: Annotations mixed with keywords
 Oct 28 14:35:55.000 [warn] Unparseable microdescriptor
 }}}

 I replied:

 This looks like file corruption, but we'd still like to see the corrupt
 file, because it might be tor's fault.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28241>
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