Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.18 021/879] fs/ntfs3: provide block_invalidate_folio to fix memory leak | Date | Tue, 7 Jun 2022 18:52:19 +0200 |
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From: Mikulas Patocka <mpatocka@redhat.com>
commit 724bbe49c5e427cb077357d72d240a649f2e4054 upstream.
The ntfs3 filesystem lacks the 'invalidate_folio' method and it causes memory leak. If you write to the filesystem and then unmount it, the cached written data are not freed and they are permanently leaked. Fixes: 7ba13abbd31e ("fs: Turn block_invalidatepage into block_invalidate_folio")
Reported-by: José Luis Lara Carrascal <manualinux@yahoo.es> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Acked-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> Cc: stable@vger.kernel.org # v5.18 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/ntfs3/inode.c | 1 + 1 file changed, 1 insertion(+)
--- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -1951,6 +1951,7 @@ const struct address_space_operations nt .direct_IO = ntfs_direct_IO, .bmap = ntfs_bmap, .dirty_folio = block_dirty_folio, + .invalidate_folio = block_invalidate_folio, }; const struct address_space_operations ntfs_aops_cmpr = {
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