[tor-bugs] #16970 [Tor]: Segfault in i386 ed25519_donna_pubkey_from_curve25519_pubkey

[Tor Bug Tracker & Wiki]

#16970: Segfault in i386 ed25519_donna_pubkey_from_curve25519_pubkey
---------------------------------------------+-----------------------------
 Reporter:  teor                             |          Owner:
     Type:  defect                           |         Status:  new
 Priority:  major                            |      Milestone:  Tor:
Component:  Tor                              |  0.2.7.x-final
 Keywords:  Post027Freeze TorCoreTeam201509  |        Version:  Tor:
Parent ID:                                   |  0.2.7.2-alpha
                                             |  Actual Points:
                                             |         Points:
---------------------------------------------+-----------------------------
 When I run the crypto/ed25519_convert unit test compiled with `clang -arch
 i386` on OS X, it crashes with a segfault in
 ed25519_donna_pubkey_from_curve25519_pubkey.

 {{{
 crypto/ed25519_convert:
 ============================================================ T= 1441245679
 Tor 0.2.7.2-alpha-dev died: Caught signal 11
 0   test                                0x004b53cf crash_handler + 79
 1   libsystem_platform.dylib            0x9c14d03b _sigtramp + 43
 2   test                                0x0051f8bc
 ed25519_donna_pubkey_from_curve25519_pubkey + 380
 3   test                                0x004fe56c
 ed25519_public_key_from_curve25519_public_key + 76
 4   test                                0x004fe3d3
 ed25519_keypair_from_curve25519_keypair + 451
 5   test                                0x0012fece
 test_crypto_ed25519_convert + 510
 6   test                                0x002ecd02 testcase_run_bare_ +
 162
 7   test                                0x002ec810 testcase_run_one + 432
 8   test                                0x002ed507 tinytest_main + 1015
 9   test                                0x002ec1b8 main + 984
 10  libdyld.dylib                       0x922416d9 start + 1
 make: *** [test] Abort trap: 6
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16970>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online