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Alexander Potapenko 75cf029027 instrumented.h: add KMSAN support 
To avoid false positives, KMSAN needs to unpoison the data copied from the
userspace.  To detect infoleaks - check the memory buffer passed to
copy_to_user().

Link: https://lkml.kernel.org/r/20220915150417.722975-19-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 		2022-10-03 14:03:21 -07:00
..
damon mm/damon/core: simplify the kdamond stop mechanism by removing 'done' 2022-10-03 14:03:14 -07:00
kasan stackdepot: reserve 5 extra bits in depot_stack_handle_t 2022-10-03 14:03:18 -07:00
kfence mm: kfence: convert to DEFINE_SEQ_ATTRIBUTE 2022-10-03 14:03:07 -07:00
kmsan instrumented.h: add KMSAN support 2022-10-03 14:03:21 -07:00
Kconfig mm: multi-gen LRU: admin guide 2022-09-26 19:46:10 -07:00
Kconfig.debug
…
Makefile kmsan: add KMSAN runtime core 2022-10-03 14:03:19 -07:00
backing-dev.c mm: backing-dev: Remove the unneeded result variable 2022-09-11 20:26:02 -07:00
balloon_compaction.c mm: Convert all PageMovable users to movable_operations 2022-08-02 12:34:03 -04:00
bootmem_info.c bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem 2022-08-28 14:02:45 -07:00
cma.c
…
cma.h
…
cma_debug.c mm/cma_debug: show complete cma name in debugfs directories 2022-09-11 20:25:50 -07:00
cma_sysfs.c
…
compaction.c mm: add pageblock_aligned() macro 2022-10-03 14:03:04 -07:00
debug.c mm: remove the vma linked list 2022-09-26 19:46:26 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c docs: rename Documentation/vm to Documentation/mm 2022-06-27 12:52:53 -07:00
dmapool.c
…
early_ioremap.c
…
fadvise.c
…
failslab.c
…
filemap.c mm/filemap: make folio_put_wait_locked static 2022-10-03 14:03:15 -07:00
folio-compat.c mm: remove try_to_free_swap() 2022-10-03 14:02:53 -07:00
frontswap.c frontswap: don't call ->init if no ops are registered 2022-09-26 12:14:34 -07:00
gup.c mm/gup: use gup_can_follow_protnone() also in GUP-fast 2022-09-26 19:46:28 -07:00
gup_test.c mm: rename is_pinnable_page() to is_longterm_pinnable_page() 2022-07-17 17:14:27 -07:00
gup_test.h
…
highmem.c - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
hmm.c mm/swap: add swp_offset_pfn() to fetch PFN from swap entry 2022-09-26 19:46:05 -07:00
huge_memory.c mm/huge_memory: prevent THP_ZERO_PAGE_ALLOC increased twice 2022-10-03 14:03:08 -07:00
hugetlb.c hugetlb: clean up code checking for fault/truncation races 2022-10-03 14:03:17 -07:00
hugetlb_cgroup.c hugetlb_cgroup: use helper for_each_hstate and hstate_index 2022-09-11 20:25:53 -07:00
hugetlb_vmemmap.c mm: hugetlb_vmemmap: simplify reset_struct_pages() 2022-09-11 20:25:58 -07:00
hugetlb_vmemmap.h mm: hugetlb_vmemmap: improve hugetlb_vmemmap code readability 2022-08-08 18:06:43 -07:00
hwpoison-inject.c mm/hwpoison: add __init/__exit annotations to module init/exit funcs 2022-10-03 14:03:05 -07:00
init-mm.c mm: remove rb tree. 2022-09-26 19:46:16 -07:00
internal.h mm: kmsan: maintain KMSAN metadata for page operations 2022-10-03 14:03:20 -07:00
interval_tree.c
…
io-mapping.c
…
ioremap.c mm: ioremap: Add ioremap/iounmap_allowed() 2022-06-27 12:22:31 +01:00
khugepaged.c khugepaged: call shmem_get_folio() 2022-10-03 14:02:50 -07:00
kmemleak.c mm/kmemleak: make create_object return void 2022-09-11 20:26:10 -07:00
ksm.c ksm: use a folio in replace_page() 2022-10-03 14:02:53 -07:00
list_lru.c mm: kmem: make mem_cgroup_from_obj() vmalloc()-safe 2022-06-16 19:48:31 -07:00
maccess.c
…
madvise.c madvise: convert madvise_free_pte_range() to use a folio 2022-10-03 14:02:52 -07:00
mapping_dirty_helpers.c
…
memblock.c mm: add pageblock_align() macro 2022-10-03 14:03:04 -07:00
memcontrol.c mm/memcontrol: use kstrtobool for swapaccount param parsing 2022-10-03 14:03:14 -07:00
memfd.c
…
memory-failure.c rmap: remove page_unlock_anon_vma_read() 2022-10-03 14:02:54 -07:00
memory-tiers.c mm/demotion: expose memory tier details via sysfs 2022-09-26 19:46:13 -07:00
memory.c mm: kmsan: maintain KMSAN metadata for page operations 2022-10-03 14:03:20 -07:00
memory_hotplug.c mm: add pageblock_aligned() macro 2022-10-03 14:03:04 -07:00
mempolicy.c mm/mempolicy: use PAGE_ALIGN instead of open-coding it 2022-10-03 14:03:15 -07:00
mempool.c mm/mempool: use might_alloc() 2022-06-16 19:48:30 -07:00
memremap.c mm/mremap_pages: save a few cycles in get_dev_pagemap() 2022-09-11 20:26:11 -07:00
memtest.c
…
migrate.c mm: convert page_get_anon_vma() to folio_get_anon_vma() 2022-10-03 14:02:54 -07:00
migrate_device.c mm: remember young/dirty bit for page migrations 2022-09-26 19:46:05 -07:00
mincore.c
…
mlock.c mm/mlock: drop dead code in count_mm_mlocked_page_nr() 2022-09-26 19:46:27 -07:00
mm_init.c mm: multi-gen LRU: groundwork 2022-09-26 19:46:09 -07:00
mm_slot.h mm: introduce common struct mm_slot 2022-10-03 14:02:43 -07:00
mmap.c mm: refactor of vma_merge() 2022-09-26 19:46:27 -07:00
mmap_lock.c
…
mmu_gather.c
…
mmu_notifier.c
…
mmzone.c mm: multi-gen LRU: groundwork 2022-09-26 19:46:09 -07:00
mprotect.c mm/mprotect: use maple tree navigation instead of VMA linked list 2022-09-26 19:46:24 -07:00
mremap.c mm: add merging after mremap resize 2022-09-26 19:46:28 -07:00
msync.c mm/msync: use vma_find() instead of vma linked list 2022-09-26 19:46:25 -07:00
nommu.c mm: remove the vma linked list 2022-09-26 19:46:26 -07:00
oom_kill.c mm: reduce noise in show_mem for lowmem allocations 2022-09-26 19:46:29 -07:00
page-writeback.c writeback: avoid use-after-free after removing device 2022-08-28 14:02:43 -07:00
page_alloc.c init: kmsan: call KMSAN initialization routines 2022-10-03 14:03:21 -07:00
page_counter.c mm: page_counter: remove unneeded atomic ops for low/min 2022-09-11 20:26:01 -07:00
page_ext.c page_ext: introduce boot parameter 'early_page_ext' 2022-09-11 20:26:02 -07:00
page_idle.c
…
page_io.c swap: convert swap_writepage() to use a folio 2022-10-03 14:02:52 -07:00
page_isolation.c mm: add pageblock_aligned() macro 2022-10-03 14:03:04 -07:00
page_owner.c mm: reuse pageblock_start/end_pfn() macro 2022-10-03 14:03:03 -07:00
page_poison.c
…
page_reporting.c
…
page_reporting.h
…
page_table_check.c mm: fix use-after free of page_ext after race with memory-offline 2022-09-11 20:25:57 -07:00
page_vma_mapped.c mm/swap: add swp_offset_pfn() to fetch PFN from swap entry 2022-09-26 19:46:05 -07:00
pagewalk.c mm/pagewalk: use vma_find() instead of vma linked list 2022-09-26 19:46:25 -07:00
percpu-internal.h
…
percpu-km.c
…
percpu-stats.c
…
percpu-vm.c
…
percpu.c mm: percpu: use kmemleak_ignore_phys() instead of kmemleak_free() 2022-07-17 17:14:47 -07:00
pgalloc-track.h
…
pgtable-generic.c
…
process_vm_access.c
…
ptdump.c
…
readahead.c filemap: Fix serialization adding transparent huge pages to page cache 2022-06-23 12:22:00 -04:00
rmap.c hugetlb: use new vma_lock for pmd sharing synchronization 2022-10-03 14:03:17 -07:00
rodata_test.c mm/rodata_test: use PAGE_ALIGNED() helper 2022-10-03 14:03:05 -07:00
secretmem.c mm: fix dereferencing possible ERR_PTR 2022-09-11 16:22:31 -07:00
shmem.c tmpfs: add support for an i_version counter 2022-10-03 14:03:06 -07:00
shrinker_debug.c mm: shrinkers: fix double kfree on shrinker name 2022-07-29 18:07:13 -07:00
shuffle.c mm/shuffle: convert module_param_call to module_param_cb 2022-10-03 14:03:07 -07:00
shuffle.h
…
slab.c - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
slab.h mm: kmsan: call KMSAN hooks from SLUB code 2022-10-03 14:03:20 -07:00
slab_common.c mm/slab_common: move generic bulk alloc/free functions to SLOB 2022-07-20 13:30:12 +02:00
slob.c mm/slab_common: move generic bulk alloc/free functions to SLOB 2022-07-20 13:30:12 +02:00
slub.c mm: kmsan: call KMSAN hooks from SLUB code 2022-10-03 14:03:20 -07:00
sparse-vmemmap.c mm: hugetlb_vmemmap: move vmemmap code related to HugeTLB to hugetlb_vmemmap.c 2022-08-08 18:06:42 -07:00
sparse.c mm: memory_hotplug: enumerate all supported section flags 2022-07-03 18:08:49 -07:00
swap.c mm: add folio_add_lru_vma() 2022-10-03 14:02:45 -07:00
swap.h mm: remove lookup_swap_cache() 2022-10-03 14:02:51 -07:00
swap_cgroup.c
…
swap_slots.c mm/swap: convert put_swap_page() to put_swap_folio() 2022-10-03 14:02:46 -07:00
swap_state.c swap_state: convert free_swap_cache() to use a folio 2022-10-03 14:02:51 -07:00
swapfile.c memcg: convert mem_cgroup_swap_full() to take a folio 2022-10-03 14:02:53 -07:00
truncate.c mm: add split_folio() 2022-10-03 14:02:45 -07:00
usercopy.c usercopy: use unsigned long instead of uintptr_t 2022-07-01 17:03:38 -07:00
userfaultfd.c hugetlb: use new vma_lock for pmd sharing synchronization 2022-10-03 14:03:17 -07:00
util.c mm: remove the vma linked list 2022-09-26 19:46:26 -07:00
vmalloc.c mm: kmsan: maintain KMSAN metadata for page operations 2022-10-03 14:03:20 -07:00
vmpressure.c
…
vmscan.c memcg: convert mem_cgroup_swap_full() to take a folio 2022-10-03 14:02:53 -07:00
vmstat.c mm: remove vmacache 2022-09-26 19:46:18 -07:00
workingset.c mm: multi-gen LRU: minimal implementation 2022-09-26 19:46:09 -07:00
z3fold.c mm: Convert all PageMovable users to movable_operations 2022-08-02 12:34:03 -04:00
zbud.c
…
zpool.c
…
zsmalloc.c zsmalloc: use correct types in _first_obj_offset functions 2022-10-03 14:03:07 -07:00
zswap.c mm/swap: remove the end_write_func argument to __swap_writepage 2022-09-11 20:25:50 -07:00