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[Bug dynamic-link/21718] mount noexec bypass via direct ld invocation and (ab)use of relocations onto bss
- From: "jinoh.kang.kr at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 07 Jul 2017 15:04:48 +0000
- Subject: [Bug dynamic-link/21718] mount noexec bypass via direct ld invocation and (ab)use of relocations onto bss
- Auto-submitted: auto-generated
- References: <bug-21718-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=21718
--- Comment #2 from Jinoh Kang <jinoh.kang.kr at gmail dot com> ---
(In reply to Florian Weimer from comment #1)
> Why is DT_TEXTREL needed?
>
> I think we need support for an O_FOREXEC flag from the kernel. Script
> interpreters could use that, too.
It was just because I personally did not want an RWX area in the virtual
memory, nothing more. Apologizes if it had caused any confusion.
And for the O_FOREXEC flag, you do have the point.
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