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mm/mmap: Fix __vma_adjust() memory leak.
authorLiam R. Howlett <Liam.Howlett@oracle.com>
Wed, 27 Apr 2022 22:40:00 +0000 (18:40 -0400)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Wed, 27 Apr 2022 22:40:41 +0000 (18:40 -0400)
commit74f551227d44b351d56f4ec0a36542d871f337d5
tree668c45a935a9cfbcc3cfa4a96cc86278b4bc63b3tree
parent62c50b9683d10ccaa0b689459efaa41794db129bcommit | diff
mm/mmap: Fix __vma_adjust() memory leak.

When shifting the arg pages, the maple state may be left with allocated
memory.  Free the memory by calling mas_destroy() unconditionally at the
end of the function.

Fixes: bd6a1fd58daf (mm: start tracking VMAs with maple tree)
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
mm/mmap.c diff | blob | history
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