[SCM] Hurd branch, master, updated. v0.9.git20230520-19-gf214d072

[Samuel Thibault]

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The branch, master has been updated
       via  f214d0723240cbbe0f1ccb90af8d1b0bb095837f (commit)
       via  005212e56eb02f01ff732eaa44b360eb8e126d03 (commit)
      from  955544335bad2db9a1d30b17aead35ad1f5c83be (commit)

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- Log -----------------------------------------------------------------
commit f214d0723240cbbe0f1ccb90af8d1b0bb095837f
Author: Sergey Bugaev <bugaevc@gmail.com>
Date:   Mon Jun 26 02:11:36 2023 +0300

    exec: On 64-bit, map lower 4 GB inaccessible for PIEs
    
    We want to map the whole lower 4 GB of address space inaccessible to
    catch accidental pointer truncation. We can only do this when the
    executable (as well as the interpreter, if any) is compiled as PIC/PIE,
    since otherwise we would violate the ABI requirement. Fortunately most
    distributions have already switched to using PIE by default, so this
    should not be an issue.
    Message-Id: <20230625231137.403096-3-bugaevc@gmail.com>

commit 005212e56eb02f01ff732eaa44b360eb8e126d03
Author: Sergey Bugaev <bugaevc@gmail.com>
Date:   Mon Jun 26 02:11:34 2023 +0300

    libdiskfs: Don't warn if requesting shutdown notification fails with EPERM
    
    The code already ignores proc_mark_important failing with EPERM; do the
    same for opening /servers/startup and startup_request_notification. All
    of these calls will fail for unprivileged mounts.
    
    Also plug a port leak: we want to deallocate the "init" port whether the
    RPC succeeds or not.
    Message-Id: <20230625231137.403096-1-bugaevc@gmail.com>

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

Summary of changes:
 exec/exec.c              | 15 ++++++++++++++-
 libdiskfs/init-startup.c |  6 ++++--
 2 files changed, 18 insertions(+), 3 deletions(-)


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