[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CAG48ez0ajun-ujQQqhDRooha1F0BZd3RYKvbJ=8SsRiHAQjUzw@mail.gmail.com>
Date: Mon, 30 Mar 2020 18:17:32 +0200
From: Jann Horn <jannh@...gle.com>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: bpf <bpf@...r.kernel.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: CONFIG_DEBUG_INFO_BTF and CONFIG_GCC_PLUGIN_RANDSTRUCT
On Mon, Mar 30, 2020 at 5:59 PM Alexei Starovoitov
<alexei.starovoitov@...il.com> wrote:
> On Mon, Mar 30, 2020 at 8:14 AM Jann Horn <jannh@...gle.com> wrote:
> >
> > I noticed that CONFIG_DEBUG_INFO_BTF seems to partly defeat the point
> > of CONFIG_GCC_PLUGIN_RANDSTRUCT.
>
> Is it a theoretical stmt or you have data?
> I think it's the other way around.
> gcc-plugin breaks dwarf and breaks btf.
> But I only looked at gcc patches without applying them.
Ah, interesting - I haven't actually tested it, I just assumed
(perhaps incorrectly) that the GCC plugin would deal with DWARF info
properly.
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
