[tor-bugs] #6767 [Core Tor/Tor]: tor crashes with Assertion `idx == sd->routerlist_index`

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#6767: tor crashes with Assertion `idx == sd->routerlist_index`
--------------------------+-----------------------------------
 Reporter:  darkk         |          Owner:
     Type:  defect        |         Status:  needs_information
 Priority:  High          |      Milestone:  Tor: 0.2.???
Component:  Core Tor/Tor  |        Version:  Tor: 0.2.2.37
 Severity:  Normal        |     Resolution:
 Keywords:  tor-relay     |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+-----------------------------------
Changes (by cypherpunks):

 * severity:   => Normal


Comment:

 Replying to [comment:15 nickm]:
 > If this persists in 0.2.5, we should get a stack trace for when it
 happens. Getting any stack trace for this bug would probably help.

 Stack trace reported by someone to IRC:
 {{{
 Sep 07 12:25:31.000 [err] tor_assertion_failed_(): Bug:
 ../src/or/routerlist.c:3293: routerlist_remove_old: Assertion
 smartlist_get(rl->old_routers, idx) == sd failed; aborting. (on Tor
 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug: Assertion smartlist_get(rl->old_routers,
 idx) == sd failed in routerlist_remove_old at ../src/or/routerlist.c:3293.
 Stack trace: (on Tor 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug:     /usr/bin/tor(log_backtrace+0x33)
 [0x54c3b8d0] (on Tor 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug:
 /usr/bin/tor(tor_assertion_failed_+0x61) [0x54c467e6] (on Tor 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug:     /usr/bin/tor(+0x63382) [0x54bb6382] (on
 Tor 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug:
 /usr/bin/tor(update_consensus_router_descriptor_downloads+0x2d1)
 [0x54bba5a2] (on Tor 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug:
 /usr/bin/tor(update_all_descriptor_downloads+0x2d) [0x54bba7aa] (on Tor
 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug:     /usr/bin/tor(+0x2c316) [0x54b7f316] (on
 Tor 0.2.8.6 )
 Sep 07 12:25:31.000 [err] Bug:     /usr/bin/tor(+0x3ed4a) [0x54b91d4a] (on
 Tor 0.2.8.6 )
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6767#comment:17>
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