[tor-bugs] #28656 [Core Tor/Tor]: Bug: src/feature/nodelist/nodelist.c:2501: compute_frac_paths_available : Non-fatal assertion !(f_exit > 0.0) failed.

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#28656: Bug: src/feature/nodelist/nodelist.c:2501: compute_frac_paths_available :
Non-fatal assertion !(f_exit > 0.0) failed.
-------------------------------------------------+-------------------------
 Reporter:  meejah                               |          Owner:  (none)
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.4.0.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.5.1-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  regression, 035-rc-blocker?,         |  Actual Points:  0.1
  035-backport, postfreeze-ok, 040-must          |
Parent ID:                                       |         Points:  0.1
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by teor):

 * status:  new => needs_review
 * keywords:
     regression, 035-rc-blocker?, 034-backport, 035-backport, postfreeze-
     ok, 040-must
     => regression, 035-rc-blocker?, 035-backport, postfreeze-ok, 040-must
 * points:   => 0.1
 * version:  Tor: 0.3.4.1-alpha => Tor: 0.3.5.1-alpha
 * actualpoints:   => 0.1


Comment:

 There is another set of logs in #29858.

 This bug was introduced in #27237 in 0.3.5.1-alpha, due to an unexpected
 interaction with #27236 in 0.3.4.7-rc. See the comments in the pull
 request for details.

 We can fix it by removing the BUG() warning:
 https://github.com/torproject/tor/pull/758

 (Note that !(f_exit > 0.0) is the same as (f_exit == 0.0), because f_exit
 can never be negative.)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28656#comment:9>
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