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Date:      Mon, 22 Jan 2024 21:47:24 +0000
From:      bugzilla-noreply@freebsd.org
To:        gecko@FreeBSD.org
Subject:   [Bug 271081] www/firefox: crashes on arm64 with ASLR enabled
Message-ID:  <bug-271081-21738-zACvzPTs8A@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-271081-21738@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271081

Jesper Schmitz Mouridsen <jsm@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #247827|0                           |1
        is obsolete|                            |

--- Comment #25 from Jesper Schmitz Mouridsen <jsm@FreeBSD.org> ---
Created attachment 247860
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=247860&action=edit
use MAP_ALIGNED instead of relocating

I still cannot find the difference between amd64 and arm64, but TryToAlignChunk
very often fails on both platforms apparently because aslr randomizes the
requested aligned addresses in a way so they are no longer aligned as desired,
so my idea is to use MAP_ALIGNED instead of trying to relocate. Thoughts?

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