[Bug 262378] emulators/wine-devel won't start on CURRENT due to ASLR changes

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 24 Jul 2022 21:30:09 UTC

Stefan Eßer <se@FreeBSD.org> changed:

           What    |Removed                     |Added
             Status|In Progress                 |Closed
         Resolution|---                         |FIXED

--- Comment #14 from Stefan Eßer <se@FreeBSD.org> ---
(In reply to Alexander Vereeken from comment #13)

Thank you for reminding me that there are other Wine ports that have the same
rum-time issue with ASLR:

I have applied the same elfctl -noalsr fixup to the binaries created by the
emulators/wine and emulators/wine-proton ports.

Disabling ASLR on the Wine binaries is only a work-around, but the correct fix
is much more complex and requires a new function to be implemented to provide
suitable mapping addresses to be used by Wine when it allocates memory.

I have looked at the code that has been implemented to solve this issue on
macOS, and it is not directly applicable to FreeBSD - therefore selectively
exempting the Wine binaries from ASLR is the much quicker solution to a
pressing problem ...

I'll close this PR, since the issue has been dealt with (admittedly in a 
sub-optimal way, but the macOS patch mentioned in comment 12 does the same
thing in a slightly different way).

If you think that disabling ASLR is not good enough, then feel free to open a
feature request PR for the missing functionality that would allow ASLR to be
enabled for Wine on FreeBSD.

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