[Bug 240992] linprocfs: /proc/[pid]/maps returns rounded file (?) size in the offset column

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Jan 5 21:44:56 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240992

Mark Johnston <markj at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |markj at FreeBSD.org

--- Comment #2 from Mark Johnston <markj at FreeBSD.org> ---
Created attachment 210472
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=210472&action=edit
proposed patch

Indeed, this column is supposed to be the mapping offset and linprocfs is just
returning the object size.  The attached patch should fix it.  It also fixes a
secondary bug which causes us to potentially print the previous entry's
"offset" for an entry with no backing object.

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