From: Konstantin Komarov almaz.alexandrovich@paragon-software.com
[ Upstream commit 55ad333de0f80bc0caee10c6c27196cdcf8891bb ]
Also reworked error handling in a couple of places.
Signed-off-by: Konstantin Komarov almaz.alexandrovich@paragon-software.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/ntfs3/attrib.c | 4 ++-- fs/ntfs3/dir.c | 2 +- fs/ntfs3/frecord.c | 12 +++++++----- fs/ntfs3/fsntfs.c | 6 +++++- fs/ntfs3/index.c | 6 ++---- fs/ntfs3/inode.c | 3 +++ 6 files changed, 20 insertions(+), 13 deletions(-)
diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c index 8d789b017fa9b..da1a9312e61a0 100644 --- a/fs/ntfs3/attrib.c +++ b/fs/ntfs3/attrib.c @@ -1406,7 +1406,7 @@ int attr_wof_frame_info(struct ntfs_inode *ni, struct ATTRIB *attr, */ if (!attr->non_res) { if (vbo[1] + bytes_per_off > le32_to_cpu(attr->res.data_size)) { - ntfs_inode_err(&ni->vfs_inode, "is corrupted"); + _ntfs_bad_inode(&ni->vfs_inode); return -EINVAL; } addr = resident_data(attr); @@ -2587,7 +2587,7 @@ int attr_force_nonresident(struct ntfs_inode *ni)
attr = ni_find_attr(ni, NULL, &le, ATTR_DATA, NULL, 0, NULL, &mi); if (!attr) { - ntfs_bad_inode(&ni->vfs_inode, "no data attribute"); + _ntfs_bad_inode(&ni->vfs_inode); return -ENOENT; }
diff --git a/fs/ntfs3/dir.c b/fs/ntfs3/dir.c index fc6a8aa29e3af..b6da80c69ca63 100644 --- a/fs/ntfs3/dir.c +++ b/fs/ntfs3/dir.c @@ -512,7 +512,7 @@ static int ntfs_readdir(struct file *file, struct dir_context *ctx) ctx->pos = pos; } else if (err < 0) { if (err == -EINVAL) - ntfs_inode_err(dir, "directory corrupted"); + _ntfs_bad_inode(dir); ctx->pos = eod; }
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index c33e818b3164c..175662acd5eaf 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -148,8 +148,10 @@ int ni_load_mi_ex(struct ntfs_inode *ni, CLST rno, struct mft_inode **mi) goto out;
err = mi_get(ni->mi.sbi, rno, &r); - if (err) + if (err) { + _ntfs_bad_inode(&ni->vfs_inode); return err; + }
ni_add_mi(ni, r);
@@ -238,8 +240,7 @@ struct ATTRIB *ni_find_attr(struct ntfs_inode *ni, struct ATTRIB *attr, return attr;
out: - ntfs_inode_err(&ni->vfs_inode, "failed to parse mft record"); - ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR); + _ntfs_bad_inode(&ni->vfs_inode); return NULL; }
@@ -330,6 +331,7 @@ struct ATTRIB *ni_load_attr(struct ntfs_inode *ni, enum ATTR_TYPE type, vcn <= le64_to_cpu(attr->nres.evcn)) return attr;
+ _ntfs_bad_inode(&ni->vfs_inode); return NULL; }
@@ -1604,8 +1606,8 @@ int ni_delete_all(struct ntfs_inode *ni) roff = le16_to_cpu(attr->nres.run_off);
if (roff > asize) { - _ntfs_bad_inode(&ni->vfs_inode); - return -EINVAL; + /* ni_enum_attr_ex checks this case. */ + continue; }
/* run==1 means unpack and deallocate. */ diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c index 0fa636038b4e4..6c73e93afb478 100644 --- a/fs/ntfs3/fsntfs.c +++ b/fs/ntfs3/fsntfs.c @@ -908,7 +908,11 @@ void ntfs_bad_inode(struct inode *inode, const char *hint)
ntfs_inode_err(inode, "%s", hint); make_bad_inode(inode); - ntfs_set_state(sbi, NTFS_DIRTY_ERROR); + /* Avoid recursion if bad inode is $Volume. */ + if (inode->i_ino != MFT_REC_VOL && + !(sbi->flags & NTFS_FLAGS_LOG_REPLAYING)) { + ntfs_set_state(sbi, NTFS_DIRTY_ERROR); + } }
/* diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 9089c58a005ce..7eb9fae22f8da 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -1094,8 +1094,7 @@ int indx_read(struct ntfs_index *indx, struct ntfs_inode *ni, CLST vbn,
ok: if (!index_buf_check(ib, bytes, &vbn)) { - ntfs_inode_err(&ni->vfs_inode, "directory corrupted"); - ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR); + _ntfs_bad_inode(&ni->vfs_inode); err = -EINVAL; goto out; } @@ -1117,8 +1116,7 @@ int indx_read(struct ntfs_index *indx, struct ntfs_inode *ni, CLST vbn,
out: if (err == -E_NTFS_CORRUPT) { - ntfs_inode_err(&ni->vfs_inode, "directory corrupted"); - ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR); + _ntfs_bad_inode(&ni->vfs_inode); err = -EINVAL; }
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index be04d2845bb7b..a1e11228dafd0 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -410,6 +410,9 @@ static struct inode *ntfs_read_mft(struct inode *inode, if (!std5) goto out;
+ if (is_bad_inode(inode)) + goto out; + if (!is_match && name) { err = -ENOENT; goto out;