[tor-bugs] #23872 [Core Tor/Torsocks]: torsocks hangs recent firefox versions

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#23872: torsocks hangs recent firefox versions
---------------------------+-----------------------------------------------
     Reporter:             |      Owner:  dgoulet
  cypherpunks              |
         Type:  defect     |     Status:  new
     Priority:  Medium     |  Milestone:
    Component:  Core       |    Version:  Tor: 0.2.9.12
  Tor/Torsocks             |
     Severity:  Normal     |   Keywords:  FUTEX_WAIT_PRIVATE hangs torsocks
Actual Points:             |  Parent ID:
       Points:             |   Reviewer:
      Sponsor:             |
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 Firefox 52.4.0 (and the ESR variant) hang if launched as:

   "torsocks firefox"

 It's similar to this old bug:

   https://trac.torproject.org/projects/tor/ticket/12119

 End of the strace looks like this:

 getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) =
 0
 readlink("/etc/malloc.conf", 0x7ffdbbb59657, 4096) = -1 ENOENT (No such
 file or directory)
 getuid()                                = 1000
 geteuid()                               = 1000
 futex(0x7f76ce5460a8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
 futex(0x55b36758c320, FUTEX_WAIT_PRIVATE, 2, NULL

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23872>
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