Re: [PATCH v1] kexec/arch/i386: Add support for KASLR memory randomization

2016-09-23 Thread Thomas Garnier
On Thu, Sep 22, 2016 at 1:41 AM, Dave Young wrote: > Hi, Thomas > > On 08/17/16 at 09:47am, Thomas Garnier wrote: >> Multiple changes were made on KASLR (right now in linux-next). One of >> them is randomizing the virtual address of the physical mapping, vmalloc >> and vmemmap

RE: makedumpfile issues many readpage_elf: Attempt to read non-existent page

2016-09-23 Thread Atsushi Kumagai
>Hello, > >I am investigating an issue with makedumpfile and kernel 4.8 where makedumpfile >(1.6.0) exits on error with the following message : > > get_mem_map: Can't distinguish the memory type. > >I found commit 2c21d4656e8d3c2af2b1e14809d076941ae69e96 in the upstream >development branch that

Re: [PATCH] kexec/fs2dt: Check for NULL pointer in dt_copy_old_root_param()

2016-09-23 Thread Pratyush Anand
On 23/09/2016:12:47:39 PM, Madhavan Srinivasan wrote: > In dt_copy_old_root_param(), FILE * returned > from fopen is not checked for NULL pointer > before passinig to fclose(). This could trigger > a segfault. Patch adds a check. > > Signed-off-by: Madhavan Srinivasan >

Re: [PATCH v6 0/3] arm64 kexec-tools patches

2016-09-23 Thread Pratyush Anand
Hi Geoff, On 21/09/2016:06:14:25 PM, Geoff Levand wrote: > This series adds the core support for kexec re-boot on ARM64. I tested this series with mustang and seattle and they work. So you can use my "Tested-By: Pratyush Anand ". Just one Nitpick: In patch 2/3

Re: [PATCH v26 1/7] arm64: kdump: reserve memory for crash dump kernel

2016-09-23 Thread AKASHI Takahiro
On Thu, Sep 22, 2016 at 12:23:08PM +0200, Matthias Bruger wrote: > > > On 09/07/2016 06:29 AM, AKASHI Takahiro wrote: > >On the startup of primary kernel, the memory region used by crash dump > >kernel must be specified by "crashkernel=" kernel parameter. > >reserve_crashkernel() will allocate

Re: [PATCH] kexec/fs2dt: Check for NULL pointer in dt_copy_old_root_param()

2016-09-23 Thread Dave Young
On 09/23/16 at 12:47pm, Madhavan Srinivasan wrote: > In dt_copy_old_root_param(), FILE * returned > from fopen is not checked for NULL pointer > before passinig to fclose(). This could trigger > a segfault. Patch adds a check. > > Signed-off-by: Madhavan Srinivasan >