[tor-bugs] #24826 [Core Tor/Tor]: LZMA- and Zstandard compressed consensus diffs stall Tor Browser launch for at least 20s or break it entirely if compiled with --enable-expensive-hardening

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Jan 16 17:47:00 UTC 2018


#24826: LZMA- and Zstandard compressed consensus diffs stall Tor Browser launch for
at least 20s or break it entirely if compiled with --enable-expensive-
hardening
--------------------------+------------------------------------
 Reporter:  gk            |          Owner:  (none)
     Type:  defect        |         Status:  needs_review
 Priority:  Medium        |      Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:  #22341        |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------
Changes (by nickm):

 * status:  new => needs_review


Comment:

 In my testing, it helped to change the strchr() in that function to use
 memchr() instead. I don't know why, but maybe it will help you too.
 Branch is `bug24826_031`.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24826#comment:23>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online


More information about the tor-bugs mailing list