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authorMiaohe Lin <linmiaohe@huawei.com>2022-07-09 17:26:29 +0800
committerakpm <akpm@linux-foundation.org>2022-07-18 15:07:52 -0700
commitda9a298f5fad0dc615079a340da42928bc5b138e (patch)
treedf3eca8f7d0b0237fd1b3b45d3425acfe85baaee /fs/ocfs2/slot_map.c
parentbdeb77bc2c405fa9f954c20269db175a0bd2793f (diff)
downloadlwn-da9a298f5fad0dc615079a340da42928bc5b138e.tar.gz
lwn-da9a298f5fad0dc615079a340da42928bc5b138e.zip
hugetlb: fix memoryleak in hugetlb_mcopy_atomic_pte
When alloc_huge_page fails, *pagep is set to NULL without put_page first. So the hugepage indicated by *pagep is leaked. Link: https://lkml.kernel.org/r/20220709092629.54291-1-linmiaohe@huawei.com Fixes: 8cc5fcbb5be8 ("mm, hugetlb: fix racy resv_huge_pages underflow on UFFDIO_COPY") Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Acked-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2/slot_map.c')
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