From: Konstantin Komarov almaz.alexandrovich@paragon-software.com
[ Upstream commit e0f363a98830e8d7d70fbaf91c07ae0b7c57aafe ]
Signed-off-by: Konstantin Komarov almaz.alexandrovich@paragon-software.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/ntfs3/fsntfs.c | 2 +- fs/ntfs3/index.c | 6 ++++++ fs/ntfs3/ntfs_fs.h | 2 ++ fs/ntfs3/record.c | 6 ++++++ 4 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c index 28cc421102e59..21567e58265c4 100644 --- a/fs/ntfs3/fsntfs.c +++ b/fs/ntfs3/fsntfs.c @@ -178,7 +178,7 @@ int ntfs_fix_post_read(struct NTFS_RECORD_HEADER *rhdr, size_t bytes, /* Check errors. */ if ((fo & 1) || fo + fn * sizeof(short) > SECTOR_SIZE || !fn-- || fn * SECTOR_SIZE > bytes) { - return -EINVAL; /* Native chkntfs returns ok! */ + return -E_NTFS_CORRUPT; }
/* Get fixup pointer. */ diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 0a48d2d672198..b40da258e6848 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -1113,6 +1113,12 @@ int indx_read(struct ntfs_index *indx, struct ntfs_inode *ni, CLST vbn, *node = in;
out: + if (err == -E_NTFS_CORRUPT) { + ntfs_inode_err(&ni->vfs_inode, "directory corrupted"); + ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR); + err = -EINVAL; + } + if (ib != in->index) kfree(ib);
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h index eb01f7e76479a..2e4be773728df 100644 --- a/fs/ntfs3/ntfs_fs.h +++ b/fs/ntfs3/ntfs_fs.h @@ -53,6 +53,8 @@ enum utf16_endian; #define E_NTFS_NONRESIDENT 556 /* NTFS specific error code about punch hole. */ #define E_NTFS_NOTALIGNED 557 +/* NTFS specific error code when on-disk struct is corrupted. */ +#define E_NTFS_CORRUPT 558
/* sbi->flags */ diff --git a/fs/ntfs3/record.c b/fs/ntfs3/record.c index 7060f784c2d72..7974ca35a15c6 100644 --- a/fs/ntfs3/record.c +++ b/fs/ntfs3/record.c @@ -180,6 +180,12 @@ int mi_read(struct mft_inode *mi, bool is_mft) return 0;
out: + if (err == -E_NTFS_CORRUPT) { + ntfs_err(sbi->sb, "mft corrupted"); + ntfs_set_state(sbi, NTFS_DIRTY_ERROR); + err = -EINVAL; + } + return err; }