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Date:      Thu, 21 Sep 2023 17:13:34 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 273956] KERN_PROC_VMMAP does not read all mapped files
Message-ID:  <bug-273956-227-qcNOAUsRKz@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-273956-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273956

--- Comment #15 from Ed Maste <emaste@freebsd.org> ---
(In reply to Paul Floyd from comment #14)
> How have things changed between 13.2 and 14.0 to cause this?

I don't see anything kernel related that's different between 13.2 and 14.0. Is
it possible that we had a larger .data section when building for 13.2? If the
PT_LOAD is larger than a page I think we'd have a rw- mapping of type vn.

If I understand correctly Valgrind doesn't actually check the contents of the
mappings, it just wants to check that they exist? If that's the case I think
it'd be reasonable to just relax the check.

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