On Thu, Apr 18, 2019 at 8:32 PM Borislav Petkov wrote:
>
> On Thu, Apr 18, 2019 at 03:56:09PM +0800, Pingfan Liu wrote:
> > Then in my case, either no @offset or invalid argument will keep
> > "*crash_base = 0", and KASLR does not care about either of them.
>
> Ok.
>
> > It is not elegant. Will
On Thu, Apr 18, 2019 at 03:56:09PM +0800, Pingfan Liu wrote:
> Then in my case, either no @offset or invalid argument will keep
> "*crash_base = 0", and KASLR does not care about either of them.
Ok.
> It is not elegant. Will try a separate patch to fix it firstly.
That's appreciated, thanks. It
On Thu, Apr 18, 2019 at 12:06 AM Borislav Petkov wrote:
>
> On Wed, Apr 17, 2019 at 01:53:37PM +0800, Pingfan Liu wrote:
> > Take __parse_crashkernel()->parse_crashkernel_simple() for example. If
> > no offset given, then it still return 0, but crash_base is dangling.
Sorry for misleading, I
On Wed, Apr 17, 2019 at 01:53:37PM +0800, Pingfan Liu wrote:
> Take __parse_crashkernel()->parse_crashkernel_simple() for example. If
> no offset given, then it still return 0, but crash_base is dangling.
Well, that is bad design. parse_crashkernel_simple() should return a
*separate* distinct
On Wed, Apr 17, 2019 at 3:01 AM Borislav Petkov wrote:
>
> On Mon, Apr 08, 2019 at 01:58:35PM +0800, Pingfan Liu wrote:
> > crashkernel=x@y or or =range1:size1[,range2:size2,...]@offset option may
> > fail to reserve the required memory region if KASLR puts kernel into the
> > region. To avoid
On Mon, Apr 08, 2019 at 01:58:35PM +0800, Pingfan Liu wrote:
> crashkernel=x@y or or =range1:size1[,range2:size2,...]@offset option may
> fail to reserve the required memory region if KASLR puts kernel into the
> region. To avoid this uncertainty, asking KASLR to skip the required
> region.
>
>
crashkernel=x@y or or =range1:size1[,range2:size2,...]@offset option may
fail to reserve the required memory region if KASLR puts kernel into the
region. To avoid this uncertainty, asking KASLR to skip the required
region.
Signed-off-by: Pingfan Liu
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc:
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