Re: [tor-bugs] #10281 [Applications/Tor Browser]: Investigate usage of alternate memory allocators and memory hardening options

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#10281: Investigate usage of alternate memory allocators and memory hardening
options
-------------------------------------------------+-------------------------
 Reporter:  mikeperry                            |          Owner:
                                                 |  arthuredelstein
     Type:  enhancement                          |         Status:
                                                 |  reopened
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-security, tbb-hardened,          |  Actual Points:
  TorBrowserTeam201612R                          |
Parent ID:  #20955                               |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  SponsorU
-------------------------------------------------+-------------------------
Changes (by adrelanos):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 Since Tor Browser {{{7.0a2}}} it does no longer start. (Qubes-Whonix)

 {{{
 user@host:~/.tb/tor-browser$ ./start-tor-browser.desktop --debug
 Launching './Browser/start-tor-browser --detach --debug'...
 Using system Tor process.
 <jemalloc>: Corrupt redzone 0 bytes after 0x7f0503ede9d0 (size 80),
 byte=0x0
 <jemalloc>: Corrupt redzone 1 byte after 0x7f0503ede9d0 (size 80),
 byte=0x0
 <jemalloc>: Corrupt redzone 2 bytes after 0x7f0503ede9d0 (size 80),
 byte=0x0
 <jemalloc>: Corrupt redzone 3 bytes after 0x7f0503ede9d0 (size 80),
 byte=0x0
 <jemalloc>: Corrupt redzone 4 bytes after 0x7f0503ede9d0 (size 80),
 byte=0x0
 <jemalloc>: Corrupt redzone 5 bytes after 0x7f0503ede9d0 (size 80),
 byte=0x0
 <jemalloc>: Corrupt redzone 6 bytes after 0x7f0503ede9d0 (size 80),
 byte=0x0
 <jemalloc>: Corrupt redzone 7 bytes after 0x7f0503ede9d0 (size 80),
 byte=0x0
 ./Browser/start-tor-browser: line 368:  2593 Segmentation fault
 TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox --class "Tor Browser"
 -profile TorBrowser/Data/Browser/profile.default "${@}" < /dev/null
 user@host:~/.tb/tor-browser$ echo $?
 139
 }}}

 Something in the system config or environment seems to trigger this. Any
 idea?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10281#comment:50>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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