Invalid read in mpz_powm_ui

Torbjorn Granlund tg at
Fri Dec 7 17:40:37 CET 2012

Torbjorn Granlund <tg at> writes:

  I looked into adding umaal, but it seems like I would have to make lots
  of guesses or spend many hours.  (It is dataflow-wise equivalent to the
  supported umlal, but I am not sure it can be handled identically.)

I went ahead and implemented umaal in valgrind, and now GMP runs fine.

Unfortunately, valgrind's mailer rejects my mail without explanation:

  You are not allowed to post to this mailing list, and your message has
  been automatically rejected.  If you think that your messages are
  being rejected in error, contact the mailing list owner at
  valgrind-developers-owner at

I put the patch at instead, for the benefit of
the GMP users.


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