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Am Dienstag, 15. August 2017, 22:02:19 CEST schrieb Mike Gilbert: |
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> On Tue, Aug 15, 2017 at 2:17 PM, Rich Freeman <rich0@g.o> wrote: |
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> > On Tue, Aug 15, 2017 at 11:04 AM, Mick <michaelkintzios@×××××.com> wrote: |
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> >> I can't recall if I did this myself in a moment of security induced |
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> >> inspiration. I doubt I did. So how did this happen? What is |
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> >> responsible for mounting this fs? |
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> > |
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> > It looks like this never did turn into a news item: |
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> > https://archives.gentoo.org/gentoo-dev/message/35304b0db4de9e06fea32227537 |
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> > 9fa81 |
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> > |
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> > You can remount it as rw if your tools don't do it automatically. It |
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> > might not hurt to file a bug if one doesn't already exist for the tool |
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> > that isn't remounting it. |
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> |
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> Please bother efibootmgr upstream about it, or bother the OpenRC |
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> maintainer who decided to break things. |
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|
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I'm somewhat confused about the whole thing. Wasn't the core problem of |
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accidentally bricking devices solved by the kernel by making |
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a subset of EFI variables immutable? (Actaully, I found the commit, which |
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says that variables ar immutable by default and only whitelisted variables get |
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to be mutable, see https://github.com/torvalds/linux/commit/ |
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ed8b0de5a33d) Is there really that much value in additionally mounting |
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efivars RO? (Honestly curious! Was the change maybe not backported to older |
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kernels? Or can some other damage be done that I'm not aware of?) |
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|
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-- |
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Marc Joliet |
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-- |
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"People who think they know everything really annoy those of us who know we |
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don't" - Bjarne Stroustrup |