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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-01-24 12:16:34 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-01-24 12:16:34 -0800 |
| commit | 51306806426d0ffa4f9b11e65447092ae7d57ee7 (patch) | |
| tree | 50fbdda3dbfd0747ece31fc7091ca4a7a28e9a6c /mm/slub.c | |
| parent | fdbc80bdc4365078a0f7d65631171cb80e3ffd6e (diff) | |
| parent | e82d891a63afebefde5d26971768f5cb91627f73 (diff) | |
| download | linux-51306806426d0ffa4f9b11e65447092ae7d57ee7.tar.bz2 | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"18 patches.
Subsystems affected by this patch series: mm (pagealloc, memcg, kasan,
memory-failure, and highmem), ubsan, proc, and MAINTAINERS"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: add a couple more files to the Clang/LLVM section
proc_sysctl: fix oops caused by incorrect command parameters
powerpc/mm/highmem: use __set_pte_at() for kmap_local()
mips/mm/highmem: use set_pte() for kmap_local()
mm/highmem: prepare for overriding set_pte_at()
sparc/mm/highmem: flush cache and TLB
mm: fix page reference leak in soft_offline_page()
ubsan: disable unsigned-overflow check for i386
kasan, mm: fix resetting page_alloc tags for HW_TAGS
kasan, mm: fix conflicts with init_on_alloc/free
kasan: fix HW_TAGS boot parameters
kasan: fix incorrect arguments passing in kasan_add_zero_shadow
kasan: fix unaligned address is unhandled in kasan_remove_zero_shadow
mm: fix numa stats for thp migration
mm: memcg: fix memcg file_dirty numa stat
mm: memcg/slab: optimize objcg stock draining
mm: fix initialization of struct page for holes in memory layout
x86/setup: don't remove E820_TYPE_RAM for pfn 0
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/slub.c b/mm/slub.c index d9e4e10683cc..69742ab9a21d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2791,7 +2791,8 @@ static __always_inline void maybe_wipe_obj_freeptr(struct kmem_cache *s, void *obj) { if (unlikely(slab_want_init_on_free(s)) && obj) - memset((void *)((char *)obj + s->offset), 0, sizeof(void *)); + memset((void *)((char *)kasan_reset_tag(obj) + s->offset), + 0, sizeof(void *)); } /* @@ -2883,7 +2884,7 @@ redo: stat(s, ALLOC_FASTPATH); } - maybe_wipe_obj_freeptr(s, kasan_reset_tag(object)); + maybe_wipe_obj_freeptr(s, object); if (unlikely(slab_want_init_on_alloc(gfpflags, s)) && object) memset(kasan_reset_tag(object), 0, s->object_size); @@ -3329,7 +3330,7 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, int j; for (j = 0; j < i; j++) - memset(p[j], 0, s->object_size); + memset(kasan_reset_tag(p[j]), 0, s->object_size); } /* memcg and kmem_cache debug support */ |