[tor-bugs] #12184 [Tor]: Circuit on detached list which I had no reason to mark
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Mon Jul 21 07:25:31 UTC 2014
#12184: Circuit on detached list which I had no reason to mark
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Reporter: cypherpunks | Owner:
Type: defect | Status: needs_information
Priority: major | Milestone: Tor: 0.2.5.x-final
Component: Tor | Version: Tor: 0.2.5.4-alpha
Resolution: | Keywords: 024-backport 025-triaged
Actual Points: | Parent ID:
Points: |
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Comment (by cypherpunks):
> Does that mean it could actually be a third bug, since this ticket is
older?
Reports in this ticket includes different bugs for sure.
`No unused circIDs found on channel` bug could be explained by botnet or
something, without any actual bugs in code. According to reported logs,
peers hangs for several minutes, which triggers filling of destroy queue:
> Jul 18 15:52:47.000 [warn] * Channel 343 last trasmitted a cell at
1405698499 (268 seconds ago)
> Jul 18 15:52:47.000 [warn] * Channel 343 has averaged 9.210684 seconds
between transmitted cells
> Jul 20 13:31:03.000 [warn] * Channel 1280552 last trasmitted a cell at
1405862903 (160 seconds ago)
> Jul 20 13:31:03.000 [warn] * Channel 1280552 has averaged 4.625050
seconds between transmitted cells
`4294964108 outbound circuits` and `Discrepancy in counts for queued
destroy cells` bugs are sign of memory corruption.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12184#comment:36>
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