On 2022/11/24 9:50, HAGIO KAZUHITO(萩尾 一仁) wrote:
> From: Fabrice Fontaine
>
> Handle __mips64 as __mips64__ to avoid the following build failure:
>
> makedumpfile.c: In function 'is_kvaddr':
> makedumpfile.c:1613:39: error: 'KVBASE' undeclared (first use in this
> function)
> return (addr
From: Fabrice Fontaine
Handle __mips64 as __mips64__ to avoid the following build failure:
makedumpfile.c: In function 'is_kvaddr':
makedumpfile.c:1613:39: error: 'KVBASE' undeclared (first use in this function)
return (addr >= (unsigned long long)(KVBASE));
On 22/11/22 23:28, Eric DeVolder wrote:
On 11/20/22 17:25, Sourabh Jain wrote:
On architectures like PowerPC the crash notes are available for all
possible CPUs. So let's populate the elfcorehdr for all possible
CPUs having crash notes to avoid updating elfcorehdr during in-kernel
crash
On 17/11/22 03:16, Eric DeVolder wrote:
When the kdump service is loaded, if a CPU or memory is hot
un/plugged, the crash elfcorehdr, which describes the CPUs
and memory in the system, must also be updated, else the resulting
vmcore is inaccurate (eg. missing either CPU context or memory
On 11/14/22 at 02:18pm, Ricardo Ribalda wrote:
> Create a new toogle that disables LINUX_REBOOT_CMD_KEXEC, reducing the
~ toggle
> attack surface to a system.
>
> Without this toogle, an attacker can only reboot into a different kernel
~~s/without/with/
> if they can create a
On 11/14/22 at 02:18pm, Ricardo Ribalda wrote:
> kexec_load_disabled affects both ``kexec_load`` and ``kexec_file_load``
> syscalls. Make it explicit.
>
> Signed-off-by: Ricardo Ribalda
>
> diff --git a/Documentation/admin-guide/sysctl/kernel.rst
> b/Documentation/admin-guide/sysctl/kernel.rst
CC kexec@lists.infradead.org
On 11/22/22 at 12:51pm, Takashi Iwai wrote:
> The recent fix for memory leaks forgot to clear the error path that
> already does vfree() for the elf headers. This may result in a
> double-free.
Good catch.
The log can be improved to make the issue more obvious.
Hi Philipp
Thanks for your review.
My scenario is a trusted system, where even if you are root, your
access to the system is very limited.
Let's assume LOADPIN and verity are enabled.
On Mon, 21 Nov 2022 at 15:10, Philipp Rudo wrote:
>
> Hi Ricardo,
>
> On Thu, 17 Nov 2022 16:15:07 +0100
>
