On 09/09/14 at 03:41pm, Vivek Goyal wrote:
> On Sat, Sep 06, 2014 at 06:16:57AM +0800, Baoquan He wrote:
>
> [CC hpa ]
>
> > Hi Kees,
> >
> > Yes, process_e820_entry() can make sure the choice+output_len <
> > CONFIG_RANDOMIZE_BASE_MAX_OFFSET, but that can't stop other bootloaders
> > to put
On 09/09/14 at 03:41pm, Vivek Goyal wrote:
On Sat, Sep 06, 2014 at 06:16:57AM +0800, Baoquan He wrote:
[CC hpa ]
Hi Kees,
Yes, process_e820_entry() can make sure the choice+output_len
CONFIG_RANDOMIZE_BASE_MAX_OFFSET, but that can't stop other bootloaders
to put kernel in region
On Sat, Sep 06, 2014 at 06:16:57AM +0800, Baoquan He wrote:
> On 09/05/14 at 10:16am, Kees Cook wrote:
> > On Fri, Sep 5, 2014 at 7:08 AM, Baoquan He wrote:
> > > diff --git a/arch/x86/boot/compressed/misc.c
> > > b/arch/x86/boot/compressed/misc.c
> > > index 7780a5b..d2a0eaa 100644
> > > ---
On Sat, Sep 06, 2014 at 06:16:57AM +0800, Baoquan He wrote:
On 09/05/14 at 10:16am, Kees Cook wrote:
On Fri, Sep 5, 2014 at 7:08 AM, Baoquan He b...@redhat.com wrote:
diff --git a/arch/x86/boot/compressed/misc.c
b/arch/x86/boot/compressed/misc.c
index 7780a5b..d2a0eaa 100644
---
On 09/05/14 at 10:16am, Kees Cook wrote:
> On Fri, Sep 5, 2014 at 7:08 AM, Baoquan He wrote:
> > diff --git a/arch/x86/boot/compressed/misc.c
> > b/arch/x86/boot/compressed/misc.c
> > index 7780a5b..d2a0eaa 100644
> > --- a/arch/x86/boot/compressed/misc.c
> > +++
On Fri, Sep 5, 2014 at 7:08 AM, Baoquan He wrote:
> Currently kaslr enabling can extend the kernel virtual address space
> to 1G, next is for modules. So if kernel is loaded to above 1G, system
> running will be exceptional, This happened when kexec/kdump load kernel.
>
> So add a check to see if
Currently kaslr enabling can extend the kernel virtual address space
to 1G, next is for modules. So if kernel is loaded to above 1G, system
running will be exceptional, This happened when kexec/kdump load kernel.
So add a check to see if the decompression output region is contained
in 1G.
Currently kaslr enabling can extend the kernel virtual address space
to 1G, next is for modules. So if kernel is loaded to above 1G, system
running will be exceptional, This happened when kexec/kdump load kernel.
So add a check to see if the decompression output region is contained
in 1G.
On Fri, Sep 5, 2014 at 7:08 AM, Baoquan He b...@redhat.com wrote:
Currently kaslr enabling can extend the kernel virtual address space
to 1G, next is for modules. So if kernel is loaded to above 1G, system
running will be exceptional, This happened when kexec/kdump load kernel.
So add a check
On 09/05/14 at 10:16am, Kees Cook wrote:
On Fri, Sep 5, 2014 at 7:08 AM, Baoquan He b...@redhat.com wrote:
diff --git a/arch/x86/boot/compressed/misc.c
b/arch/x86/boot/compressed/misc.c
index 7780a5b..d2a0eaa 100644
--- a/arch/x86/boot/compressed/misc.c
+++
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