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authorMikulas Patocka <mpatocka@redhat.com>2022-05-30 14:36:45 +0300
committerKonstantin Komarov <almaz.alexandrovich@paragon-software.com>2022-06-01 13:10:19 +0300
commit724bbe49c5e427cb077357d72d240a649f2e4054 (patch)
treeca60d667c136dc79e97f607786db8077656b83c2 /fs/ntfs3
parentf26967b9f7a830e228bb13fb41bd516ddd9d789d (diff)
downloadlinux-724bbe49c5e427cb077357d72d240a649f2e4054.tar.xz
fs/ntfs3: provide block_invalidate_folio to fix memory leak
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
Diffstat (limited to 'fs/ntfs3')
-rw-r--r--fs/ntfs3/inode.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 76519c72a970..38045264a61b 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1955,6 +1955,7 @@ const struct address_space_operations ntfs_aops = {
.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 = {