[tor-bugs] #24086 [Core Tor/Tor]: consdiffmgr.c:637: consdiffmgr_find_diff_from: Non-fatal assertion !(ent->entry == NULL) failed

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#24086: consdiffmgr.c:637: consdiffmgr_find_diff_from: Non-fatal assertion
!(ent->entry == NULL) failed
--------------------------+------------------------------------
 Reporter:  cypherpunks   |          Owner:  nickm
     Type:  defect        |         Status:  merge_ready
 Priority:  Medium        |      Milestone:  Tor: 0.3.1.x-final
Component:  Core Tor/Tor  |        Version:  Tor: 0.3.2.2-alpha
 Severity:  Normal        |     Resolution:
 Keywords:  031-backport  |  Actual Points:
Parent ID:                |         Points:
 Reviewer:  ahf           |        Sponsor:
--------------------------+------------------------------------

Comment (by r1610091651@…):

 Got the second one today on 3.1.9:

 Dec 10 22:17:07.000 [warn] tor_bug_occurred_(): Bug:
 ../src/or/consdiffmgr.c:329: cdm_diff_ht_purge: Non-fatal assertion
 !((*diff)->entry == NULL) failed. (on Tor 0.3.1.9 )
 Dec 10 22:17:07.000 [warn] Bug: Non-fatal assertion !((*diff)->entry ==
 NULL) failed in cdm_diff_ht_purge at ../src/or/consdiffmgr.c:329. Stack
 trace: (on Tor 0.3.1.9 )
 Dec 10 22:17:07.000 [warn] Bug:     /usr/bin/tor(log_backtrace+0x54)
 [0x556e0088dc] (on Tor 0.3.1.9 )
 Dec 10 22:17:07.000 [warn] Bug:     /usr/bin/tor(tor_bug_occurred_+0xcc)
 [0x556e02335c] (on Tor 0.3.1.9 )
 Dec 10 22:17:07.000 [warn] Bug:     /usr/bin/tor(consdiffmgr_rescan+0xcc4)
 [0x556dfb7e14] (on Tor 0.3.1.9 )
 Dec 10 22:17:07.000 [warn] Bug:     /usr/bin/tor(+0x4ca3c) [0x556dee9a3c]
 (on Tor 0.3.1.9 )

 Was the fix already backported on that version?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24086#comment:9>
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