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Re: [tor-bugs] #27740 [Core Tor/Tor]: rust protover_all_supported() returns rust-allocated string in *missing_out

#27740: rust protover_all_supported() returns rust-allocated string in *missing_out
-------------------------------------------------+-------------------------
 Reporter:  cyberpunks                           |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.5.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.3.1-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  rust, protover, memory-safety,       |  Actual Points:
  035-must, fast-fix, 033-backport,              |
  034-backport                                   |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by cyberpunks):

 Rust uses jemalloc to allocate memory by default. No CI has been failing
 even though `test_protover_all_supported` calls `tor_free()` on this
 jemalloc-allocated pointer though. Is it missing hardening that could
 catch similar issues in the future?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27740#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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