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 09:22:23 -0700 [thread overview]
Message-ID: <20170906162222.GI5024@atomide.com> (raw)
In-Reply-To: <CAKv+Gu8qROYaQFSxChoz8cmS0S1wwqDmUvduXC_reQn1L7gFKg@mail.gmail.com>
* Ard Biesheuvel <ard.biesheuvel@linaro.org> [170906 03:41]:
> On 5 September 2017 at 22:31, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> > On 5 September 2017 at 22:27, Tony Lindgren <tony@atomide.com> wrote:
> >> * Ard Biesheuvel <ard.biesheuvel@linaro.org> [170905 12:43]:
> >>> Right. Well, I will try to reproduce with the BB white I have.
> >>
> >> Yeah that should be reproducable, I got it to happen on BBB here
> >> after about 5 boots.
> >>
>
> Unfortunately, my BB white boots happily every time.
>
> I have added DEBUG_UNCOMPRESS support to mach-omap2, and added some
> debug output to the kaslr init routine
OK. FYI, the DEBUG_UNCOMPRESS support works in Linux next as
it's now using the generic 8250 debug_ll code.
> For example,
>
> Starting kernel ...
>
> regions.image_size:00e00000
> regions.pa_start:80000000
> regions.pa_end:90000000
> regions.zimage_start:80200000
> regions.zimage_size:00430228
> regions.dtb_start:82000000
> regions.dtb_size:00009000
> num:00000016
> *kaslr_offset:04400000
> Uncompressing Linux... done, booting the kernel.
> [ 0.000000] Booting Linux on physical CPU 0x0
> ....
> [ 0.000000] Virtual kernel memory layout:
> [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
> [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
> [ 0.000000] vmalloc : 0xd0000000 - 0xff800000 ( 760 MB)
> [ 0.000000] lowmem : 0xc0000000 - 0xcfe00000 ( 254 MB)
> [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
> [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
> [ 0.000000] .text : 0xc4408000 - 0xc4d00000 (9184 kB)
> [ 0.000000] .init : 0xc5000000 - 0xc5100000 (1024 kB)
> [ 0.000000] .data : 0xc5100000 - 0xc5149df0 ( 296 kB)
> [ 0.000000] .bss : 0xc51cb000 - 0xc59a9a8c (8059 kB)
>
> I have pushed the changes to my arm-kaslr-v3 branch. If you are
> willing to spend more cycles on this, could you please run it with
> DEBUG_LL enabled, and capture the output of the failed boots?
Sure was not able to reproduce it so far on BBB. But here's
failed boot output from logicpd-torpedo-37xx-devkit. Will
try some more booting on BBB too.
Regards,
Tony
8< -------------------
Kernel image @ 0x81000000 [ 0x000000 - 0x426810 ]
## 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:88000000
regions.zimage_start:81000000
regions.zimage_size:00437830
regions.dtb_start:86feb000
regions.dtb_size:00012000
regions.initrd_start:00000000
regions.initrd_size:00000000
num:0000002f
num:00000029
*kaslr_offset:07400000
Uncompressing Linux...
next prev parent reply other threads:[~2017-09-06 16:22 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-03 12:07 [PATCH v2 00/29] implement KASLR for ARM Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 01/29] net/core: work around section mismatch warning for ptp_classifier Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 02/29] asm-generic: add .data.rel.ro sections to __ro_after_init Ard Biesheuvel
2017-09-04 15:59 ` Nicolas Pitre
2017-09-04 17:09 ` Kees Cook
2017-09-03 12:07 ` [PATCH v2 03/29] ARM: assembler: introduce adr_l, ldr_l and str_l macros Ard Biesheuvel
2017-09-04 16:05 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 04/29] ARM: head-common.S: use PC-relative insn sequence for __proc_info Ard Biesheuvel
2017-09-04 16:06 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 05/29] ARM: head-common.S: use PC-relative insn sequence for idmap creation Ard Biesheuvel
2017-09-04 16:08 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 06/29] ARM: head.S: use PC-relative insn sequence for secondary_data Ard Biesheuvel
2017-09-04 16:09 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 07/29] ARM: kernel: use relative references for UP/SMP alternatives Ard Biesheuvel
2017-09-04 16:15 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 08/29] ARM: head: use PC-relative insn sequence for __smp_alt Ard Biesheuvel
2017-09-04 16:19 ` Nicolas Pitre
2017-09-04 16:20 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 09/29] ARM: sleep.S: use PC-relative insn sequence for sleep_save_sp/mpidr_hash Ard Biesheuvel
2017-09-04 16:20 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 10/29] ARM: head.S: use PC-relative insn sequences for __fixup_pv_table Ard Biesheuvel
2017-09-04 16:47 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 11/29] ARM: head.S: use PC relative insn sequence to calculate PHYS_OFFSET Ard Biesheuvel
2017-09-04 16:50 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 12/29] ARM: kvm: replace open coded VA->PA calculations with adr_l call Ard Biesheuvel
2017-09-04 16:57 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 13/29] arm-soc: exynos: replace open coded VA->PA conversions Ard Biesheuvel
2017-09-04 16:59 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 14/29] arm-soc: mvebu: replace open coded VA->PA conversion Ard Biesheuvel
2017-09-04 17:00 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 15/29] arm-soc: various: replace open coded VA->PA calculation of pen_release Ard Biesheuvel
2017-09-04 17:01 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 16/29] ARM: kernel: switch to relative exception tables Ard Biesheuvel
2017-09-04 17:17 ` Nicolas Pitre
2017-09-04 17:30 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 17/29] ARM: kernel: use relative phys-to-virt patch tables Ard Biesheuvel
2017-09-04 18:03 ` Nicolas Pitre
2017-09-04 19:09 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 18/29] arm-soc: tegra: make sleep asm code runtime relocatable Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 19/29] ARM: kernel: make vmlinux buildable as a PIE executable Ard Biesheuvel
2017-09-04 18:11 ` Nicolas Pitre
2017-09-04 19:10 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 20/29] ARM: kernel: use PC-relative symbol references in MMU switch code Ard Biesheuvel
2017-09-04 18:15 ` Nicolas Pitre
2017-09-04 19:14 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 21/29] ARM: kernel: use PC relative symbol references in suspend/resume code Ard Biesheuvel
2017-09-04 18:24 ` Nicolas Pitre
2017-09-04 19:17 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 22/29] ARM: mm: export default vmalloc base address Ard Biesheuvel
2017-09-04 18:25 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 23/29] ARM: kernel: refer to swapper_pg_dir via its symbol Ard Biesheuvel
2017-09-04 18:30 ` Nicolas Pitre
2017-09-04 19:26 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 24/29] ARM: kernel: implement randomization of the kernel load address Ard Biesheuvel
2017-09-04 18:44 ` Nicolas Pitre
2017-09-04 19:29 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 25/29] ARM: decompressor: explicitly map decompressor binary cacheable Ard Biesheuvel
2017-09-04 18:47 ` Nicolas Pitre
2017-09-03 12:07 ` [PATCH v2 26/29] ARM: decompressor: add KASLR support Ard Biesheuvel
2017-09-04 18:53 ` Nicolas Pitre
2017-09-04 19:33 ` Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 27/29] efi/libstub: add 'max' parameter to efi_random_alloc() Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 28/29] efi/libstub: check for vmalloc= command line argument Ard Biesheuvel
2017-09-03 12:07 ` [PATCH v2 29/29] efi/libstub: arm: implement KASLR Ard Biesheuvel
2017-09-05 16:45 ` [PATCH v2 00/29] implement KASLR for ARM Tony Lindgren
2017-09-05 16:48 ` Ard Biesheuvel
2017-09-05 19:37 ` Tony Lindgren
2017-09-05 19:42 ` Ard Biesheuvel
2017-09-05 21:27 ` Tony Lindgren
2017-09-05 21:31 ` Ard Biesheuvel
2017-09-06 10:40 ` Ard Biesheuvel
2017-09-06 16:22 ` Tony Lindgren [this message]
2017-09-06 16:25 ` Ard Biesheuvel
2017-09-06 16:31 ` Tony Lindgren
2017-09-06 16:35 ` Ard Biesheuvel
2017-09-06 17:12 ` Tony Lindgren
2017-09-06 17:30 ` Ard Biesheuvel
2017-09-06 17:53 ` Tony Lindgren
2017-09-06 18:04 ` Ard Biesheuvel
2017-09-06 18:22 ` Tony Lindgren
2017-09-06 18:25 ` Ard Biesheuvel
2017-09-06 20:08 ` Tony Lindgren
2017-09-12 6:51 ` Ard Biesheuvel
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