[tor-bugs] #17505 [Tor Browser]: UBSan is freezing Tor Browser

[Tor Bug Tracker & Wiki]

#17505: UBSan is freezing Tor Browser
-----------------------------+---------------------------
     Reporter:  gk           |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  Medium       |  Milestone:
    Component:  Tor Browser  |    Version:
     Severity:  Normal       |   Keywords:  tbb-hardening
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
-----------------------------+---------------------------
 Compiling Tor Browser with UBSan results in a freeze during |make
 package|. Compiling with `--disable-startupcache` does not solve the issue
 as one is getting a hang during start-up, too, then.

 The first bad commit is: https://hg.mozilla.org/mozilla-
 central/rev/7db30249d1d8
 The first good one is: https://hg.mozilla.org/mozilla-
 central/rev/f78c80504443

 I wonder what is going on here...

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17505>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online