From: Tony Lindgren <tony@atomide.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Kernel Hardening <kernel-hardening@lists.openwall.com>,
Arnd Bergmann <arnd@arndb.de>, Nicolas Pitre <nico@linaro.org>,
Russell King <linux@armlinux.org.uk>,
Kees Cook <keescook@chromium.org>,
Thomas Garnier <thgarnie@google.com>,
Marc Zyngier <marc.zyngier@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Matt Fleming <matt@codeblueprint.co.uk>,
Dave Martin <dave.martin@arm.com>
Subject: [kernel-hardening] Re: [PATCH v2 00/29] implement KASLR for ARM
Date: Wed, 6 Sep 2017 10:12:54 -0700 [thread overview]
Message-ID: <20170906171253.GK5024@atomide.com> (raw)
In-Reply-To: <CAKv+Gu-HGM6T6cV25bo6_bBcZaV-x3qpc9XoYUA4AEx68Joz=A@mail.gmail.com>
* Ard Biesheuvel <ard.biesheuvel@linaro.org> [170906 09:36]:
> Turns out I am calculating the top of DRAM incorrectly for boards
> where less memory is present than the size of the lowmem region.
>
> Could you try this please? (Apologies for the whitespace)
I think for 10 or so units per year you can actually buy
a non-mangling outgoing SMTP service if nothing else helps..
Anyways, you patch manually applied fixed most of the random
boot hangs for me, but I did see a new one after 11 boot
attempts, see below.
Regards,
Tony
8< --------------
Kernel image @ 0x81000000 [ 0x000000 - 0x426300 ]
## Flattened Device Tree blob at 84000000
Booting using the fdt blob at 0x84000000
Loading Device Tree to 86feb000, end 86fff2d5 ... OK
Starting kernel ...
regions.image_size:00e00000
regions.pa_start:80000000
regions.pa_end:87200000
regions.zimage_start:81000000
regions.zimage_size:00437320
regions.dtb_start:86feb000
regions.dtb_size:00012000
regions.initrd_start:00000000
regions.initrd_size:00000000
num:00000028
num:00000025
*kaslr_offset:05e00000
Uncompressing Linux... done, booting the kernel.
Warning: Neither atags nor dtb found
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 00/29] implement KASLR for ARM
Date: Wed, 6 Sep 2017 10:12:54 -0700 [thread overview]
Message-ID: <20170906171253.GK5024@atomide.com> (raw)
In-Reply-To: <CAKv+Gu-HGM6T6cV25bo6_bBcZaV-x3qpc9XoYUA4AEx68Joz=A@mail.gmail.com>
* Ard Biesheuvel <ard.biesheuvel@linaro.org> [170906 09:36]:
> Turns out I am calculating the top of DRAM incorrectly for boards
> where less memory is present than the size of the lowmem region.
>
> Could you try this please? (Apologies for the whitespace)
I think for 10 or so units per year you can actually buy
a non-mangling outgoing SMTP service if nothing else helps..
Anyways, you patch manually applied fixed most of the random
boot hangs for me, but I did see a new one after 11 boot
attempts, see below.
Regards,
Tony
8< --------------
Kernel image @ 0x81000000 [ 0x000000 - 0x426300 ]
## Flattened Device Tree blob at 84000000
Booting using the fdt blob@0x84000000
Loading Device Tree to 86feb000, end 86fff2d5 ... OK
Starting kernel ...
regions.image_size:00e00000
regions.pa_start:80000000
regions.pa_end:87200000
regions.zimage_start:81000000
regions.zimage_size:00437320
regions.dtb_start:86feb000
regions.dtb_size:00012000
regions.initrd_start:00000000
regions.initrd_size:00000000
num:00000028
num:00000025
*kaslr_offset:05e00000
Uncompressing Linux... done, booting the kernel.
Warning: Neither atags nor dtb found
next prev parent reply other threads:[~2017-09-06 17:12 UTC|newest]
Thread overview: 166+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-03 12:07 [kernel-hardening] [PATCH v2 00/29] implement KASLR for ARM Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 01/29] net/core: work around section mismatch warning for ptp_classifier Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 02/29] asm-generic: add .data.rel.ro sections to __ro_after_init Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 15:59 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 15:59 ` Nicolas Pitre
2017-09-04 17:09 ` [kernel-hardening] " Kees Cook
2017-09-04 17:09 ` Kees Cook
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 03/29] ARM: assembler: introduce adr_l, ldr_l and str_l macros Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:05 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:05 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 04/29] ARM: head-common.S: use PC-relative insn sequence for __proc_info Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:06 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:06 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 05/29] ARM: head-common.S: use PC-relative insn sequence for idmap creation Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:08 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:08 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 06/29] ARM: head.S: use PC-relative insn sequence for secondary_data Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:09 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:09 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 07/29] ARM: kernel: use relative references for UP/SMP alternatives Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:15 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:15 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 08/29] ARM: head: use PC-relative insn sequence for __smp_alt Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:19 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:19 ` Nicolas Pitre
2017-09-04 16:20 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 16:20 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 09/29] ARM: sleep.S: use PC-relative insn sequence for sleep_save_sp/mpidr_hash Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:20 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:20 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 10/29] ARM: head.S: use PC-relative insn sequences for __fixup_pv_table Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:47 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:47 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 11/29] ARM: head.S: use PC relative insn sequence to calculate PHYS_OFFSET Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:50 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:50 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 12/29] ARM: kvm: replace open coded VA->PA calculations with adr_l call Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:57 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:57 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 13/29] arm-soc: exynos: replace open coded VA->PA conversions Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 16:59 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 16:59 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 14/29] arm-soc: mvebu: replace open coded VA->PA conversion Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 17:00 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 17:00 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 15/29] arm-soc: various: replace open coded VA->PA calculation of pen_release Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 17:01 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 17:01 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 16/29] ARM: kernel: switch to relative exception tables Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 17:17 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 17:17 ` Nicolas Pitre
2017-09-04 17:30 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 17:30 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 17/29] ARM: kernel: use relative phys-to-virt patch tables Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:03 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:03 ` Nicolas Pitre
2017-09-04 19:09 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 19:09 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 18/29] arm-soc: tegra: make sleep asm code runtime relocatable Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 19/29] ARM: kernel: make vmlinux buildable as a PIE executable Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:11 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:11 ` Nicolas Pitre
2017-09-04 19:10 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 19:10 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 20/29] ARM: kernel: use PC-relative symbol references in MMU switch code Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:15 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:15 ` Nicolas Pitre
2017-09-04 19:14 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 19:14 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 21/29] ARM: kernel: use PC relative symbol references in suspend/resume code Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:24 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:24 ` Nicolas Pitre
2017-09-04 19:17 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 19:17 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 22/29] ARM: mm: export default vmalloc base address Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:25 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:25 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 23/29] ARM: kernel: refer to swapper_pg_dir via its symbol Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:30 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:30 ` Nicolas Pitre
2017-09-04 19:26 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 19:26 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 24/29] ARM: kernel: implement randomization of the kernel load address Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:44 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:44 ` Nicolas Pitre
2017-09-04 19:29 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 19:29 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 25/29] ARM: decompressor: explicitly map decompressor binary cacheable Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:47 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:47 ` Nicolas Pitre
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 26/29] ARM: decompressor: add KASLR support Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-04 18:53 ` [kernel-hardening] " Nicolas Pitre
2017-09-04 18:53 ` Nicolas Pitre
2017-09-04 19:33 ` [kernel-hardening] " Ard Biesheuvel
2017-09-04 19:33 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 27/29] efi/libstub: add 'max' parameter to efi_random_alloc() Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 28/29] efi/libstub: check for vmalloc= command line argument Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-03 12:07 ` [kernel-hardening] [PATCH v2 29/29] efi/libstub: arm: implement KASLR Ard Biesheuvel
2017-09-03 12:07 ` Ard Biesheuvel
2017-09-05 16:45 ` [kernel-hardening] Re: [PATCH v2 00/29] implement KASLR for ARM Tony Lindgren
2017-09-05 16:45 ` Tony Lindgren
2017-09-05 16:48 ` [kernel-hardening] " Ard Biesheuvel
2017-09-05 16:48 ` Ard Biesheuvel
2017-09-05 19:37 ` [kernel-hardening] " Tony Lindgren
2017-09-05 19:37 ` Tony Lindgren
2017-09-05 19:42 ` [kernel-hardening] " Ard Biesheuvel
2017-09-05 19:42 ` Ard Biesheuvel
2017-09-05 21:27 ` [kernel-hardening] " Tony Lindgren
2017-09-05 21:27 ` Tony Lindgren
2017-09-05 21:31 ` [kernel-hardening] " Ard Biesheuvel
2017-09-05 21:31 ` Ard Biesheuvel
2017-09-06 10:40 ` [kernel-hardening] " Ard Biesheuvel
2017-09-06 10:40 ` Ard Biesheuvel
2017-09-06 16:22 ` [kernel-hardening] " Tony Lindgren
2017-09-06 16:22 ` Tony Lindgren
2017-09-06 16:25 ` [kernel-hardening] " Ard Biesheuvel
2017-09-06 16:25 ` Ard Biesheuvel
2017-09-06 16:31 ` [kernel-hardening] " Tony Lindgren
2017-09-06 16:31 ` Tony Lindgren
2017-09-06 16:35 ` [kernel-hardening] " Ard Biesheuvel
2017-09-06 16:35 ` Ard Biesheuvel
2017-09-06 17:12 ` Tony Lindgren [this message]
2017-09-06 17:12 ` Tony Lindgren
2017-09-06 17:30 ` [kernel-hardening] " Ard Biesheuvel
2017-09-06 17:30 ` Ard Biesheuvel
2017-09-06 17:53 ` [kernel-hardening] " Tony Lindgren
2017-09-06 17:53 ` Tony Lindgren
2017-09-06 18:04 ` [kernel-hardening] " Ard Biesheuvel
2017-09-06 18:04 ` Ard Biesheuvel
2017-09-06 18:22 ` [kernel-hardening] " Tony Lindgren
2017-09-06 18:22 ` Tony Lindgren
2017-09-06 18:25 ` [kernel-hardening] " Ard Biesheuvel
2017-09-06 18:25 ` Ard Biesheuvel
2017-09-06 20:08 ` [kernel-hardening] " Tony Lindgren
2017-09-06 20:08 ` Tony Lindgren
2017-09-12 6:51 ` [kernel-hardening] " Ard Biesheuvel
2017-09-12 6:51 ` Ard Biesheuvel
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