linux/arch/arm64/mm
Andrey Konovalov 4291e9ee61 kasan, arm64: print report from tag fault handler
Add error reporting for hardware tag-based KASAN.  When
CONFIG_KASAN_HW_TAGS is enabled, print KASAN report from the arm64 tag
fault handler.

SAS bits aren't set in ESR for all faults reported in EL1, so it's
impossible to find out the size of the access the caused the fault.  Adapt
KASAN reporting code to handle this case.

Link: https://lkml.kernel.org/r/b559c82b6a969afedf53b4694b475f0234067a1a.1606161801.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Co-developed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Marco Elver <elver@google.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-22 12:55:08 -08:00
..
Makefile Merge branch 'for-next/mte' into for-next/core 2020-10-02 12:16:11 +01:00
cache.S arm64: mm: Use modern annotations for assembly functions 2020-01-08 12:23:38 +00:00
context.c arm64: mm: Pin down ASIDs for sharing mm with devices 2020-09-28 22:15:38 +01:00
copypage.c arm64: mte: reset the page tag in page->flags 2020-12-22 12:55:07 -08:00
dma-mapping.c dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h> 2020-10-06 07:07:06 +02:00
extable.c arm64: Improve diagnostics when trapping BRK with FAULT_BRK_IMM 2020-09-18 16:35:54 +01:00
fault.c kasan, arm64: print report from tag fault handler 2020-12-22 12:55:08 -08:00
flush.c mm: introduce page_size() 2019-09-24 15:54:08 -07:00
hugetlbpage.c mm: remove unneeded includes of <asm/pgalloc.h> 2020-08-07 11:33:26 -07:00
init.c arm64 fixes/updates: 2020-12-18 10:57:27 -08:00
ioremap.c mm: remove unneeded includes of <asm/pgalloc.h> 2020-08-07 11:33:26 -07:00
kasan_init.c kasan, arm64: rename kasan_init_tags and mark as __init 2020-12-22 12:55:07 -08:00
mmap.c arm64: Use the generic devmem_is_allowed() 2020-12-11 12:28:35 -08:00
mmu.c Merge remote-tracking branch 'arm64/for-next/fixes' into for-next/core 2020-12-09 18:04:55 +00:00
mteswap.c arm64: mte: reset the page tag in page->flags 2020-12-22 12:55:07 -08:00
numa.c memblock: use separate iterators for memory and reserved regions 2020-10-13 18:38:35 -07:00
pageattr.c arch, mm: make kernel_page_present() always available 2020-12-15 12:13:43 -08:00
pgd.c mm: consolidate pgtable_cache_init() and pgd_cache_init() 2019-09-24 15:54:09 -07:00
physaddr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
proc.S arm64: kasan: allow enabling in-kernel MTE 2020-12-22 12:55:07 -08:00
ptdump.c kasan, arm64: expand CONFIG_KASAN checks 2020-12-22 12:55:08 -08:00
ptdump_debugfs.c arm64/mm: Hold memory hotplug lock while walking for kernel page table dump 2020-03-04 15:35:22 +00:00