From: Konstantin Komarov almaz.alexandrovich@paragon-software.com
[ Upstream commit 1fd21919de6de245b63066b8ee3cfba92e36f0e9 ]
Fixed the logic of processing inode with wrong sequence number.
Signed-off-by: Konstantin Komarov almaz.alexandrovich@paragon-software.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/ntfs3/inode.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index 6b0bdc474e763..56b6c4c6f528f 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -536,11 +536,15 @@ struct inode *ntfs_iget5(struct super_block *sb, const struct MFT_REF *ref, if (inode->i_state & I_NEW) inode = ntfs_read_mft(inode, name, ref); else if (ref->seq != ntfs_i(inode)->mi.mrec->seq) { - /* Inode overlaps? */ - _ntfs_bad_inode(inode); + /* + * Sequence number is not expected. + * Looks like inode was reused but caller uses the old reference + */ + iput(inode); + inode = ERR_PTR(-ESTALE); }
- if (IS_ERR(inode) && name) + if (IS_ERR(inode)) ntfs_set_state(sb->s_fs_info, NTFS_DIRTY_ERROR);
return inode;