From: ebiederm@xmission.com (Eric W. Biederman)
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Kees Cook <keescook@chromium.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Kexec Mailing List <kexec@lists.infradead.org>
Subject: Re: [PATCH] uts: Don't randomize "struct uts_namespace".
Date: Fri, 06 Jul 2018 19:55:26 -0500 [thread overview]
Message-ID: <87zhz3sw3l.fsf@xmission.com> (raw)
In-Reply-To: <945be212-8e82-9dd8-930f-4e5c11dcae77@i-love.sakura.ne.jp> (Tetsuo Handa's message of "Sat, 7 Jul 2018 08:35:28 +0900")
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> writes:
> I'm waiting for response from makedumpfile developers.
>
> But makedumpfile is a tool for saving kernel crash dump.
> If makedumpfile cannot work, we cannot use kernel crash dump.
I suspect the version string is comparable in size to the pointer to the
version string and as such would be a better candidate to include in the
handful of elf notes we provide for the mkdumpfile & it's ilk to bootstram.
I assume getting the kernel's version string will be enough to track
back to an individual vmlinux and figure out the layout of everything
else.
Eric
WARNING: multiple messages have this Message-ID (diff)
From: ebiederm@xmission.com (Eric W. Biederman)
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Kexec Mailing List <kexec@lists.infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] uts: Don't randomize "struct uts_namespace".
Date: Fri, 06 Jul 2018 19:55:26 -0500 [thread overview]
Message-ID: <87zhz3sw3l.fsf@xmission.com> (raw)
In-Reply-To: <945be212-8e82-9dd8-930f-4e5c11dcae77@i-love.sakura.ne.jp> (Tetsuo Handa's message of "Sat, 7 Jul 2018 08:35:28 +0900")
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> writes:
> I'm waiting for response from makedumpfile developers.
>
> But makedumpfile is a tool for saving kernel crash dump.
> If makedumpfile cannot work, we cannot use kernel crash dump.
I suspect the version string is comparable in size to the pointer to the
version string and as such would be a better candidate to include in the
handful of elf notes we provide for the mkdumpfile & it's ilk to bootstram.
I assume getting the kernel's version string will be enough to track
back to an individual vmlinux and figure out the layout of everything
else.
Eric
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next prev parent reply other threads:[~2018-07-07 0:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-06 10:07 [PATCH] uts: Don't randomize "struct uts_namespace" Tetsuo Handa
2018-07-06 16:11 ` Linus Torvalds
2018-07-06 23:10 ` Tetsuo Handa
2018-07-11 14:07 ` Fwd: " Tetsuo Handa
2018-07-11 16:31 ` Kazuhito Hagio
2018-07-11 16:31 ` Kazuhito Hagio
2018-07-06 23:19 ` Kees Cook
2018-07-06 23:35 ` Tetsuo Handa
2018-07-07 0:55 ` Eric W. Biederman [this message]
2018-07-07 0:55 ` Eric W. Biederman
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