Mike Rapoport 658aafc813 memblock: exclude MEMBLOCK_NOMAP regions from kmemleak ... Vladimir Zapolskiy reports: Commit a7259df767 ("memblock: make memblock_find_in_range method private") invokes a kernel panic while running kmemleak on OF platforms with nomaped regions: Unable to handle kernel paging request at virtual address fff000021e00000 [...] scan_block+0x64/0x170 scan_gray_list+0xe8/0x17c kmemleak_scan+0x270/0x514 kmemleak_write+0x34c/0x4ac The memory allocated from memblock is registered with kmemleak, but if it is marked MEMBLOCK_NOMAP it won't have linear map entries so an attempt to scan such areas will fault. Ideally, memblock_mark_nomap() would inform kmemleak to ignore MEMBLOCK_NOMAP memory, but it can be called before kmemleak interfaces operating on physical addresses can use __va() conversion. Make sure that functions that mark allocated memory as MEMBLOCK_NOMAP take care of informing kmemleak to ignore such memory. Link: https://lore.kernel.org/all/8ade5174-b143-d621-8c8e-dc6a1898c6fb@linaro.org Link: https://lore.kernel.org/all/c30ff0a2-d196-c50d-22f0-bd50696b1205@quicinc.com Fixes: a7259df767 ("memblock: make memblock_find_in_range method private") Reported-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org> Tested-by: Qian Cai <quic_qiancai@quicinc.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2021-10-21 18:30:49 -10:00
..
damon	mm/damon: don't use strnlen() with known-bogus source length	2021-09-24 16:13:34 -07:00
kasan	Merge branch 'akpm' (patches from Andrew)	2021-09-03 10:08:28 -07:00
kfence	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
backing-dev.c	Merge branch 'akpm' (patches from Andrew)	2021-09-03 10:08:28 -07:00
balloon_compaction.c	mm: fix typos in comments	2021-05-07 00:26:35 -07:00
bootmem_info.c	mm/bootmem_info.c: mark __init on register_page_bootmem_info_section	2021-09-03 09:58:14 -07:00
cleancache.c
cma_debug.c	mm/cma: change cma mutex to irq safe spinlock	2021-05-05 11:27:21 -07:00
cma_sysfs.c	mm: cma: support sysfs	2021-05-05 11:27:24 -07:00
cma.c	mm: use proper type for cma_[alloc|release]	2021-05-05 11:27:24 -07:00
cma.h	mm: cma: support sysfs	2021-05-05 11:27:24 -07:00
compaction.c	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
debug_page_ref.c
debug_vm_pgtable.c	mm/debug_vm_pgtable: fix corrupted page flag	2021-09-03 09:58:10 -07:00
debug.c	mm/debug: sync up latest migrate_reason to migrate_reason_names	2021-09-24 16:13:35 -07:00
dmapool.c	mm/dmapool: use DEVICE_ATTR_RO macro	2021-06-29 10:53:52 -07:00
early_ioremap.c	mm/early_ioremap.c: remove redundant early_ioremap_shutdown()	2021-09-08 11:50:24 -07:00
fadvise.c
failslab.c
filemap.c	Merge branch 'akpm' (patches from Andrew)	2021-09-03 10:08:28 -07:00
frontswap.c	mm/mempool: minor coding style tweaks	2021-05-05 11:27:27 -07:00
gup_test.c	selftests/vm: gup_test: test faulting in kernel, and verify pinnable pages	2021-05-05 11:27:26 -07:00
gup_test.h	selftests/vm: gup_test: fix test flag	2021-05-05 11:27:26 -07:00
gup.c	Revert "mm/gup: remove try_get_page(), call try_get_compound_head() directly"	2021-09-07 11:03:45 -07:00
highmem.c	mm: in_irq() cleanup	2021-09-08 11:50:24 -07:00
hmm.c	mm/hmm: bypass devmap pte when all pfn requested flags are fulfilled	2021-09-08 18:45:52 -07:00
huge_memory.c	mm/thp: decrease nr_thps in file's mapping on THP split	2021-10-18 20:22:03 -10:00
hugetlb_cgroup.c	hugetlb: make free_huge_page irq safe	2021-05-05 11:27:22 -07:00
hugetlb_vmemmap.c	mm: hugetlb: introduce CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON	2021-06-30 20:47:26 -07:00
hugetlb_vmemmap.h	mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate	2021-06-30 20:47:25 -07:00
hugetlb.c	mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY	2021-09-03 09:58:17 -07:00
hwpoison-inject.c	mm: hwpoison: don't drop slab caches for offlining non-LRU page	2021-09-03 09:58:15 -07:00
init-mm.c	mm: add setup_initial_init_mm() helper	2021-07-08 11:48:21 -07:00
internal.h	mm/numa: automatically generate node migration order	2021-09-03 09:58:16 -07:00
interval_tree.c	mm/interval_tree: add comments to improve code readability	2021-04-30 11:20:38 -07:00
io-mapping.c	mm: add a io_mapping_map_user helper	2021-04-30 11:20:39 -07:00
ioremap.c	mm: move ioremap_page_range to vmalloc.c	2021-09-08 11:50:24 -07:00
Kconfig	mm/idle_page_tracking: make PG_idle reusable	2021-09-08 11:50:24 -07:00
Kconfig.debug	mm, page_poison: remove CONFIG_PAGE_POISONING_ZERO	2020-12-15 12:13:46 -08:00
khugepaged.c	huge tmpfs: SGP_NOALLOC to stop collapse_file() on race	2021-09-03 09:58:12 -07:00
kmemleak.c	mm/kmemleak: allow __GFP_NOLOCKDEP passed to kmemleak's gfp	2021-09-08 18:45:53 -07:00
ksm.c	mm/ksm: remove old GCC 4.9+ check	2021-09-13 10:18:28 -07:00
list_lru.c	mm: vmscan: consolidate shrinker_maps handling code	2021-05-05 11:27:23 -07:00
maccess.c	ARM: 9115/1: mm/maccess: fix unaligned copy_{from,to}_kernel_nofault	2021-08-20 11:39:25 +01:00
madvise.c	Merge branch 'akpm' (patches from Andrew)	2021-09-03 10:08:28 -07:00
Makefile	mm: introduce Data Access MONitor (DAMON)	2021-09-08 11:50:24 -07:00
mapping_dirty_helpers.c	mm/mapping_dirty_helpers: remove double Note in kerneldoc	2021-07-01 11:06:02 -07:00
memblock.c	memblock: exclude MEMBLOCK_NOMAP regions from kmemleak	2021-10-21 18:30:49 -10:00
memcontrol.c	memcg: flush lruvec stats in the refault	2021-09-23 10:09:13 -07:00
memfd.c	Reimplement RLIMIT_MEMLOCK on top of ucounts	2021-04-30 14:14:02 -05:00
memory_hotplug.c	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
memory-failure.c	mm/memory_failure: fix the missing pte_unmap() call	2021-09-24 16:13:35 -07:00
memory.c	afs: Fix mmap coherency vs 3rd-party changes	2021-09-13 09:10:39 +01:00
mempolicy.c	mm/mempolicy: do not allow illegal MPOL_F_NUMA_BALANCING | MPOL_LOCAL in mbind()	2021-10-18 20:22:03 -10:00
mempool.c	kasan: use separate (un)poison implementation for integrated init	2021-06-04 19:32:21 +01:00
memremap.c	mm/memory_hotplug: remove nid parameter from arch_remove_memory()	2021-09-08 11:50:23 -07:00
memtest.c
migrate.c	mm/migrate: fix CPUHP state to update node demotion order	2021-10-18 20:22:03 -10:00
mincore.c	inode: make init and permission helpers idmapped mount aware	2021-01-24 14:27:16 +01:00
mlock.c	mm: introduce memfd_secret system call to create "secret" memory areas	2021-07-08 11:48:21 -07:00
mm_init.c	include/linux/page-flags-layout.h: cleanups	2021-04-30 11:20:42 -07:00
mmap_lock.c	mm: mmap_lock: fix disabling preemption directly	2021-07-23 17:43:28 -07:00
mmap.c	Merge tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux	2021-09-04 11:35:47 -07:00
mmu_gather.c	mm: eliminate "expecting prototype" kernel-doc warnings	2021-04-16 16:10:36 -07:00
mmu_notifier.c	mm/mmu_notifiers: ensure range_end() is paired with range_start()	2021-03-25 09:22:55 -07:00
mmzone.c	mm/lru: replace pgdat lru_lock with lruvec lock	2020-12-15 14:48:04 -08:00
mprotect.c	mm: device exclusive memory access	2021-07-01 11:06:03 -07:00
mremap.c	mm/mremap: fix memory account on do_munmap() failure	2021-09-03 09:58:14 -07:00
msync.c	mm/msync: exit early when the flags is an MS_ASYNC and start < vm_start	2021-04-30 11:20:37 -07:00
nommu.c	Merge tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux	2021-09-04 11:35:47 -07:00
oom_kill.c	mm: introduce process_mrelease system call	2021-09-03 09:58:17 -07:00
page_alloc.c	mm/page_alloc.c: avoid accessing uninitialized pcp page migratetype	2021-09-08 18:45:53 -07:00
page_counter.c	mm: page_counter: mitigate consequences of a page_counter underflow	2021-04-30 11:20:38 -07:00
page_ext.c	mm/migrate: add CPU hotplug to demotion #ifdef	2021-10-18 20:22:02 -10:00
page_idle.c	mm/idle_page_tracking: make PG_idle reusable	2021-09-08 11:50:24 -07:00
page_io.c	swap: fix swapfile read/write offset	2021-03-02 17:25:46 -07:00
page_isolation.c	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
page_owner.c	mm: remove pfn_valid_within() and CONFIG_HOLES_IN_ZONE	2021-09-08 11:50:22 -07:00
page_poison.c	mm: page_poison: print page info when corruption is caught	2021-04-30 11:20:36 -07:00
page_reporting.c	mm/page_reporting: allow driver to specify reporting order	2021-06-29 10:53:47 -07:00
page_reporting.h	mm/page_reporting: export reporting order as module parameter	2021-06-29 10:53:47 -07:00
page_vma_mapped.c	mm: device exclusive memory access	2021-07-01 11:06:03 -07:00
page-writeback.c	Merge branch 'akpm' (patches from Andrew)	2021-09-03 10:08:28 -07:00
pagewalk.c	mm: pagewalk: fix walk for hugepage tables	2021-06-29 10:53:49 -07:00
percpu-internal.h	Merge branch 'for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu	2021-07-01 17:17:24 -07:00
percpu-km.c	percpu: flush tlb in pcpu_reclaim_populated()	2021-07-04 18:30:17 +00:00
percpu-stats.c	percpu: rework memcg accounting	2021-06-05 20:43:15 +00:00
percpu-vm.c	percpu: flush tlb in pcpu_reclaim_populated()	2021-07-04 18:30:17 +00:00
percpu.c	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
pgalloc-track.h	mm: fix typos in comments	2021-05-07 00:26:35 -07:00
pgtable-generic.c	mm/thp: fix __split_huge_pmd_locked() on shmem migration entry	2021-06-16 09:24:42 -07:00
process_vm_access.c	mm/process_vm_access.c: remove duplicate include	2021-05-05 11:27:27 -07:00
ptdump.c	mm: ptdump: fix build failure	2021-04-16 16:10:37 -07:00
readahead.c	mm: Protect operations adding pages to page cache with invalidate_lock	2021-07-13 13:14:27 +02:00
rmap.c	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
rodata_test.c
secretmem.c	mm/secretmem: use refcount_t instead of atomic_t	2021-09-08 11:50:24 -07:00
shmem.c	mm/shmem.c: fix judgment error in shmem_is_huge()	2021-09-24 16:13:34 -07:00
shuffle.c	mm: eliminate "expecting prototype" kernel-doc warnings	2021-04-16 16:10:36 -07:00
shuffle.h	mm/shuffle: fix section mismatch warning	2021-05-22 15:09:07 -10:00
slab_common.c	mm: slub: move flush_cpu_slab() invocations __free_slab() invocations out of IRQ context	2021-09-04 01:12:23 +02:00
slab.c	mm/migrate: add CPU hotplug to demotion #ifdef	2021-10-18 20:22:02 -10:00
slab.h	mm/memcg: fix NULL pointer dereference in memcg_slab_free_hook()	2021-07-30 10:14:39 -07:00
slob.c	mm: Don't build mm_dump_obj() on CONFIG_PRINTK=n kernels	2021-03-08 14:18:46 -08:00
slub.c	mm, slub: fix incorrect memcg slab count for bulk free	2021-10-18 20:22:03 -10:00
sparse-vmemmap.c	mm: sparsemem: split the huge PMD mapping of vmemmap pages	2021-06-30 20:47:26 -07:00
sparse.c	mm: introduce memmap_alloc() to unify memory map allocation	2021-09-03 09:58:15 -07:00
swap_cgroup.c
swap_slots.c	mm: Replace deprecated CPU-hotplug functions.	2021-08-28 01:46:17 +02:00
swap_state.c	Revert "mm: swap: check if swap backing device is congested or not"	2021-08-20 11:31:42 -07:00
swap.c	mm: fs: invalidate bh_lrus for only cold path	2021-09-24 16:13:35 -07:00
swapfile.c	mm, memcg: inline swap-related functions to improve disabled memcg config	2021-09-03 09:58:12 -07:00
truncate.c	Merge branch 'akpm' (patches from Andrew)	2021-09-03 10:08:28 -07:00
usercopy.c
userfaultfd.c	userfaultfd: change mmap_changing to atomic	2021-09-03 09:58:16 -07:00
util.c	mm: fix uninitialized use in overcommit_policy_handler	2021-09-24 16:13:35 -07:00
vmacache.c
vmalloc.c	Merge branch 'akpm' (patches from Andrew)	2021-09-08 12:55:35 -07:00
vmpressure.c	mm/vmpressure: replace vmpressure_to_css() with vmpressure_to_memcg()	2021-09-03 09:58:17 -07:00
vmscan.c	mm,vmscan: fix divide by zero in get_scan_count	2021-09-08 18:45:53 -07:00
vmstat.c	mm/vmstat: protect per cpu variables with preempt disable on RT	2021-09-08 15:32:34 -07:00
workingset.c	memcg: flush lruvec stats in the refault	2021-09-23 10:09:13 -07:00
z3fold.c	mm/z3fold: add kerneldoc fields for z3fold_pool	2021-07-01 11:06:03 -07:00
zbud.c	mm/zbud: add kerneldoc fields for zbud_pool	2021-07-01 11:06:03 -07:00
zpool.c	mm: fix typos in comments	2021-05-07 00:26:35 -07:00
zsmalloc.c	mm/zsmalloc.c: improve readability for async_free_zspage()	2021-07-01 11:06:02 -07:00
zswap.c	mm/zswap.c: fix two bugs in zswap_writeback_entry()	2021-06-30 20:47:31 -07:00