[SCM] GNU Mach branch, master, updated. v1.8-920-g62e08a6d

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 62e08a6d4599eac1f506b65c4b53f46fcf124c0d
Author: Luca Dariz <luca@orpolo.org>
Date:   Wed Jun 12 08:27:55 2024 +0200

    tests/machmsg: check rx message size on different code paths
    
    * tests/test-machmsg.c: add more combinations to existing cases:
      - make tx and rx ports independent in the send/receive tests
      - add two more variants for send/receive tests, using two separate
        system calls, using different code paths in mach_msg().
    Message-ID: <20240612062755.116308-2-luca@orpolo.org>

commit 4cb4bd24862777f5066133b31051dd10c0a2d8a8
Author: Luca Dariz <luca@orpolo.org>
Date:   Wed Jun 12 08:27:54 2024 +0200

    x86_64: fix msg size forwarding in case it's not set by userspace
    
    * ipc/copy_user.c: recent MIG stubs should always fill the size
      correctly in the msg header, but we shouldn't rely on that. Instead,
      we use the size that was correctly copied-in, overwriting the value
      in the header. This is already done by the 32-bit copyinmsg(), and
      was missing in the 64-bit version.
      Furthermore, the assertion about user/kernel size make sense with
      and without USER32, so take it out if the #ifdef.
    Message-ID: <20240612062755.116308-1-luca@orpolo.org>

-----------------------------------------------------------------------

Summary of changes:
 ipc/copy_user.c      |   4 +-
 tests/test-machmsg.c | 117 +++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 117 insertions(+), 4 deletions(-)


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