[tor-bugs] #23577 [Core Tor/Tor]: Add rendezvous point IPv6 address to client introduce cells

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#23577: Add rendezvous point IPv6 address to client introduce cells
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:  (none)
     Type:  enhancement                          |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  prop224, tor-hs, single-onion,       |  Actual Points:  2
  ipv6, review-group-25                          |
Parent ID:  #23493                               |         Points:  1
 Reviewer:  dgoulet                              |        Sponsor:
                                                 |  SponsorV-can
-------------------------------------------------+-------------------------
Changes (by teor):

 * status:  reopened => needs_revision


Comment:

 It is undefined behaviour to call hs_cell_introduce1_data_clear() on
 intro1_data when it has been declared on the stack, but not initialised.
 This was ok before, because setup_introduce1_data() always initialises it,
 and it was always called.

 Please initialise it to all zero bytes when it is declared. (Do you know
 about `= {0}`? It's a neat trick in C.)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23577#comment:27>
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