[PATCH 11/11] fs/ntfs3: Print details about mount fails
From: Konstantin Komarov
Date: Wed Feb 15 2023 - 08:40:50 EST
Added error mesages with error codes.
Minor refactoring and code formatting.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
---
fs/ntfs3/frecord.c | 2 +-
fs/ntfs3/fsntfs.c | 40 +++++------
fs/ntfs3/super.c | 172 +++++++++++++++++++++++++++------------------
3 files changed, 122 insertions(+), 92 deletions(-)
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 481219f2a7cf..2bfcf1a989c9 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -3360,7 +3360,7 @@ int ni_write_inode(struct inode *inode, int sync,
const char *hint)
ni_unlock(ni);
if (err) {
- ntfs_err(sb, "%s r=%lx failed, %d.", hint, inode->i_ino, err);
+ ntfs_inode_err(inode, "%s failed, %d.", hint, err);
ntfs_set_state(sbi, NTFS_DIRTY_ERROR);
return err;
}
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 0a82b1bf3ec2..28cc421102e5 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -223,7 +223,7 @@ int ntfs_extend_init(struct ntfs_sb_info *sbi)
inode = ntfs_iget5(sb, &ref, &NAME_EXTEND);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
- ntfs_err(sb, "Failed to load $Extend.");
+ ntfs_err(sb, "Failed to load $Extend (%d).", err);
inode = NULL;
goto out;
}
@@ -282,7 +282,7 @@ int ntfs_loadlog_and_replay(struct ntfs_inode *ni,
struct ntfs_sb_info *sbi)
/* Check for 4GB. */
if (ni->vfs_inode.i_size >= 0x100000000ull) {
- ntfs_err(sb, "\x24LogFile is too big");
+ ntfs_err(sb, "\x24LogFile is large than 4G.");
err = -EINVAL;
goto out;
}
@@ -1863,7 +1863,7 @@ int ntfs_security_init(struct ntfs_sb_info *sbi)
inode = ntfs_iget5(sb, &ref, &NAME_SECURE);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
- ntfs_err(sb, "Failed to load $Secure.");
+ ntfs_err(sb, "Failed to load $Secure (%d).", err);
inode = NULL;
goto out;
}
@@ -1874,45 +1874,43 @@ int ntfs_security_init(struct ntfs_sb_info *sbi)
attr = ni_find_attr(ni, NULL, &le, ATTR_ROOT, SDH_NAME,
ARRAY_SIZE(SDH_NAME), NULL, NULL);
- if (!attr) {
- err = -EINVAL;
- goto out;
- }
-
- if(!(root_sdh = resident_data_ex(attr, sizeof(struct INDEX_ROOT))) ||
+ if (!attr ||
+ !(root_sdh = resident_data_ex(attr, sizeof(struct INDEX_ROOT))) ||
root_sdh->type != ATTR_ZERO ||
root_sdh->rule != NTFS_COLLATION_TYPE_SECURITY_HASH ||
offsetof(struct INDEX_ROOT, ihdr) +
- le32_to_cpu(root_sdh->ihdr.used) >
- le32_to_cpu(attr->res.data_size)) {
+ le32_to_cpu(root_sdh->ihdr.used) >
+ le32_to_cpu(attr->res.data_size)) {
+ ntfs_err(sb, "$Secure::$SDH is corrupted.");
err = -EINVAL;
goto out;
}
err = indx_init(indx_sdh, sbi, attr, INDEX_MUTEX_SDH);
- if (err)
+ if (err) {
+ ntfs_err(sb, "Failed to initialize $Secure::$SDH (%d).", err);
goto out;
+ }
attr = ni_find_attr(ni, attr, &le, ATTR_ROOT, SII_NAME,
ARRAY_SIZE(SII_NAME), NULL, NULL);
- if (!attr) {
- err = -EINVAL;
- goto out;
- }
-
- if(!(root_sii = resident_data_ex(attr, sizeof(struct INDEX_ROOT))) ||
+ if (!attr ||
+ !(root_sii = resident_data_ex(attr, sizeof(struct INDEX_ROOT))) ||
root_sii->type != ATTR_ZERO ||
root_sii->rule != NTFS_COLLATION_TYPE_UINT ||
offsetof(struct INDEX_ROOT, ihdr) +
- le32_to_cpu(root_sii->ihdr.used) >
- le32_to_cpu(attr->res.data_size)) {
+ le32_to_cpu(root_sii->ihdr.used) >
+ le32_to_cpu(attr->res.data_size)) {
+ ntfs_err(sb, "$Secure::$SII is corrupted.");
err = -EINVAL;
goto out;
}
err = indx_init(indx_sii, sbi, attr, INDEX_MUTEX_SII);
- if (err)
+ if (err) {
+ ntfs_err(sb, "Failed to initialize $Secure::$SII (%d).", err);
goto out;
+ }
fnd_sii = fnd_get();
if (!fnd_sii) {
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index 521ce31d67a1..e0f78b306f15 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -734,48 +734,81 @@ static int ntfs_init_from_boot(struct super_block
*sb, u32 sector_size,
err = -EINVAL;
boot = (struct NTFS_BOOT *)bh->b_data;
- if (memcmp(boot->system_id, "NTFS ", sizeof("NTFS ") - 1))
+ if (memcmp(boot->system_id, "NTFS ", sizeof("NTFS ") - 1)) {
+ ntfs_err(sb, "Boot's signature is not NTFS.");
goto out;
+ }
/* 0x55AA is not mandaroty. Thanks Maxim Suhanov*/
/*if (0x55 != boot->boot_magic[0] || 0xAA != boot->boot_magic[1])
* goto out;
*/
- boot_sector_size = (u32)boot->bytes_per_sector[1] << 8;
- if (boot->bytes_per_sector[0] || boot_sector_size < SECTOR_SIZE ||
+ boot_sector_size = ((u32)boot->bytes_per_sector[1] << 8) |
+ boot->bytes_per_sector[0];
+ if (boot_sector_size < SECTOR_SIZE ||
!is_power_of_2(boot_sector_size)) {
+ ntfs_err(sb, "Invalid bytes per sector %u.", boot_sector_size);
goto out;
}
/* cluster size: 512, 1K, 2K, 4K, ... 2M */
sct_per_clst = true_sectors_per_clst(boot);
- if ((int)sct_per_clst < 0)
- goto out;
- if (!is_power_of_2(sct_per_clst))
+ if ((int)sct_per_clst < 0 || !is_power_of_2(sct_per_clst)) {
+ ntfs_err(sb, "Invalid sectors per cluster %u.", sct_per_clst);
goto out;
+ }
+
+ sbi->cluster_size = boot_sector_size * sct_per_clst;
+ sbi->cluster_bits = cluster_bits = blksize_bits(sbi->cluster_size);
+ sbi->cluster_mask = sbi->cluster_size - 1;
+ sbi->cluster_mask_inv = ~(u64)sbi->cluster_mask;
mlcn = le64_to_cpu(boot->mft_clst);
mlcn2 = le64_to_cpu(boot->mft2_clst);
sectors = le64_to_cpu(boot->sectors_per_volume);
- if (mlcn * sct_per_clst >= sectors)
+ if (mlcn * sct_per_clst >= sectors || mlcn2 * sct_per_clst >=
sectors) {
+ ntfs_err(
+ sb,
+ "Start of MFT 0x%llx (0x%llx) is out of volume 0x%llx.",
+ mlcn, mlcn2, sectors);
goto out;
+ }
- if (mlcn2 * sct_per_clst >= sectors)
- goto out;
+ sbi->record_size = record_size =
+ boot->record_size < 0 ? 1 << (-boot->record_size) :
+ (u32)boot->record_size << cluster_bits;
+ sbi->record_bits = blksize_bits(record_size);
+ sbi->attr_size_tr = (5 * record_size >> 4); // ~320 bytes
/* Check MFT record size. */
- if ((boot->record_size < 0 &&
- SECTOR_SIZE > (2U << (-boot->record_size))) ||
- (boot->record_size >= 0 && !is_power_of_2(boot->record_size))) {
+ if (record_size < SECTOR_SIZE || !is_power_of_2(record_size)) {
+ ntfs_err(sb, "Invalid bytes per MFT record %u (%d).",
+ record_size, boot->record_size);
+ goto out;
+ }
+
+ if (record_size > MAXIMUM_BYTES_PER_MFT) {
+ ntfs_err(sb, "Unsupported bytes per MFT record %u.",
+ record_size);
goto out;
}
+ sbi->index_size = boot->index_size < 0 ?
+ 1u << (-boot->index_size) :
+ (u32)boot->index_size << cluster_bits;
+
/* Check index record size. */
- if ((boot->index_size < 0 &&
- SECTOR_SIZE > (2U << (-boot->index_size))) ||
- (boot->index_size >= 0 && !is_power_of_2(boot->index_size))) {
+ if (sbi->index_size < SECTOR_SIZE || !is_power_of_2(sbi->index_size)) {
+ ntfs_err(sb, "Invalid bytes per index %u(%d).", sbi->index_size,
+ boot->index_size);
+ goto out;
+ }
+
+ if (sbi->index_size > MAXIMUM_BYTES_PER_INDEX) {
+ ntfs_err(sb, "Unsupported bytes per index %u.",
+ sbi->index_size);
goto out;
}
@@ -796,15 +829,15 @@ static int ntfs_init_from_boot(struct super_block
*sb, u32 sector_size,
dev_size += sector_size - 1;
}
- sbi->cluster_size = boot_sector_size * sct_per_clst;
- sbi->cluster_bits = blksize_bits(sbi->cluster_size);
-
sbi->mft.lbo = mlcn << cluster_bits;
sbi->mft.lbo2 = mlcn2 << cluster_bits;
/* Compare boot's cluster and sector. */
- if (sbi->cluster_size < boot_sector_size)
+ if (sbi->cluster_size < boot_sector_size) {
+ ntfs_err(sb, "Invalid bytes per cluster (%u).",
+ sbi->cluster_size);
goto out;
+ }
/* Compare boot's cluster and media sector. */
if (sbi->cluster_size < sector_size) {
@@ -816,28 +849,11 @@ static int ntfs_init_from_boot(struct super_block
*sb, u32 sector_size,
goto out;
}
- sbi->cluster_mask = sbi->cluster_size - 1;
- sbi->cluster_mask_inv = ~(u64)sbi->cluster_mask;
- sbi->record_size = record_size = boot->record_size < 0
- ? 1 << (-boot->record_size)
- : (u32)boot->record_size
- << sbi->cluster_bits;
-
- if (record_size > MAXIMUM_BYTES_PER_MFT || record_size < SECTOR_SIZE)
- goto out;
-
- sbi->record_bits = blksize_bits(record_size);
- sbi->attr_size_tr = (5 * record_size >> 4); // ~320 bytes
-
sbi->max_bytes_per_attr =
record_size - ALIGN(MFTRECORD_FIXUP_OFFSET_1, 8) -
ALIGN(((record_size >> SECTOR_SHIFT) * sizeof(short)), 8) -
ALIGN(sizeof(enum ATTR_TYPE), 8);
- sbi->index_size = boot->index_size < 0
- ? 1u << (-boot->index_size)
- : (u32)boot->index_size << sbi->cluster_bits;
-
sbi->volume.ser_num = le64_to_cpu(boot->serial_num);
/* Warning if RAW volume. */
@@ -928,6 +944,7 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
int err;
struct ntfs_sb_info *sbi = sb->s_fs_info;
struct block_device *bdev = sb->s_bdev;
+ struct ntfs_mount_options *options;
struct inode *inode;
struct ntfs_inode *ni;
size_t i, tt, bad_len, bad_frags;
@@ -942,7 +959,7 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
ref.high = 0;
sbi->sb = sb;
- sbi->options = fc->fs_private;
+ sbi->options = options = fc->fs_private;
fc->fs_private = NULL;
sb->s_flags |= SB_NODIRATIME;
sb->s_magic = 0x7366746e; // "ntfs"
@@ -950,12 +967,12 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
sb->s_export_op = &ntfs_export_ops;
sb->s_time_gran = NTFS_TIME_GRAN; // 100 nsec
sb->s_xattr = ntfs_xattr_handlers;
- sb->s_d_op = sbi->options->nocase ? &ntfs_dentry_ops : NULL;
+ sb->s_d_op = options->nocase ? &ntfs_dentry_ops : NULL;
- sbi->options->nls = ntfs_load_nls(sbi->options->nls_name);
- if (IS_ERR(sbi->options->nls)) {
- sbi->options->nls = NULL;
- errorf(fc, "Cannot load nls %s", sbi->options->nls_name);
+ options->nls = ntfs_load_nls(options->nls_name);
+ if (IS_ERR(options->nls)) {
+ options->nls = NULL;
+ errorf(fc, "Cannot load nls %s", options->nls_name);
err = -EINVAL;
goto out;
}
@@ -980,8 +997,8 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
ref.seq = cpu_to_le16(MFT_REC_VOL);
inode = ntfs_iget5(sb, &ref, &NAME_VOLUME);
if (IS_ERR(inode)) {
- ntfs_err(sb, "Failed to load $Volume.");
err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load $Volume (%d).", err);
goto out;
}
@@ -1007,13 +1024,9 @@ static int ntfs_fill_super(struct super_block
*sb, struct fs_context *fc)
}
attr = ni_find_attr(ni, attr, NULL, ATTR_VOL_INFO, NULL, 0, NULL,
NULL);
- if (!attr || is_attr_ext(attr)) {
- err = -EINVAL;
- goto put_inode_out;
- }
-
- info = resident_data_ex(attr, SIZEOF_ATTRIBUTE_VOLUME_INFO);
- if (!info) {
+ if (!attr || is_attr_ext(attr) ||
+ !(info = resident_data_ex(attr, SIZEOF_ATTRIBUTE_VOLUME_INFO))) {
+ ntfs_err(sb, "$Volume is corrupted.");
err = -EINVAL;
goto put_inode_out;
}
@@ -1028,13 +1041,13 @@ static int ntfs_fill_super(struct super_block
*sb, struct fs_context *fc)
ref.seq = cpu_to_le16(MFT_REC_MIRR);
inode = ntfs_iget5(sb, &ref, &NAME_MIRROR);
if (IS_ERR(inode)) {
- ntfs_err(sb, "Failed to load $MFTMirr.");
err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load $MFTMirr (%d).", err);
goto out;
}
- sbi->mft.recs_mirr =
- ntfs_up_cluster(sbi, inode->i_size) >> sbi->record_bits;
+ sbi->mft.recs_mirr = ntfs_up_cluster(sbi, inode->i_size) >>
+ sbi->record_bits;
iput(inode);
@@ -1043,8 +1056,8 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
ref.seq = cpu_to_le16(MFT_REC_LOG);
inode = ntfs_iget5(sb, &ref, &NAME_LOGFILE);
if (IS_ERR(inode)) {
- ntfs_err(sb, "Failed to load \x24LogFile.");
err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load \x24LogFile (%d).", err);
goto out;
}
@@ -1064,7 +1077,7 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
goto out;
}
} else if (sbi->volume.flags & VOLUME_FLAG_DIRTY) {
- if (!sb_rdonly(sb) && !sbi->options->force) {
+ if (!sb_rdonly(sb) && !options->force) {
ntfs_warn(
sb,
"volume is dirty and \"force\" flag is not set!");
@@ -1079,8 +1092,8 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
inode = ntfs_iget5(sb, &ref, &NAME_MFT);
if (IS_ERR(inode)) {
- ntfs_err(sb, "Failed to load $MFT.");
err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load $MFT (%d).", err);
goto out;
}
@@ -1095,8 +1108,10 @@ static int ntfs_fill_super(struct super_block
*sb, struct fs_context *fc)
goto put_inode_out;
err = ni_load_all_mi(ni);
- if (err)
+ if (err) {
+ ntfs_err(sb, "Failed to load $MFT's subrecords (%d).", err);
goto put_inode_out;
+ }
sbi->mft.ni = ni;
@@ -1105,8 +1120,8 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
ref.seq = cpu_to_le16(MFT_REC_BITMAP);
inode = ntfs_iget5(sb, &ref, &NAME_BITMAP);
if (IS_ERR(inode)) {
- ntfs_err(sb, "Failed to load $Bitmap.");
err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load $Bitmap (%d).", err);
goto out;
}
@@ -1120,20 +1135,25 @@ static int ntfs_fill_super(struct super_block
*sb, struct fs_context *fc)
/* Check bitmap boundary. */
tt = sbi->used.bitmap.nbits;
if (inode->i_size < bitmap_size(tt)) {
+ ntfs_err(sb, "$Bitmap is corrupted.");
err = -EINVAL;
goto put_inode_out;
}
err = wnd_init(&sbi->used.bitmap, sb, tt);
- if (err)
+ if (err) {
+ ntfs_err(sb, "Failed to initialize $Bitmap (%d).", err);
goto put_inode_out;
+ }
iput(inode);
/* Compute the MFT zone. */
err = ntfs_refresh_zone(sbi);
- if (err)
+ if (err) {
+ ntfs_err(sb, "Failed to initialize MFT zone (%d).", err);
goto out;
+ }
/* Load $BadClus. */
ref.low = cpu_to_le32(MFT_REC_BADCLUST);
@@ -1178,8 +1198,8 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
ref.seq = cpu_to_le16(MFT_REC_ATTR);
inode = ntfs_iget5(sb, &ref, &NAME_ATTRDEF);
if (IS_ERR(inode)) {
- ntfs_err(sb, "Failed to load $AttrDef -> %d", err);
err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load $AttrDef (%d)", err);
goto out;
}
@@ -1208,6 +1228,7 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
if (IS_ERR(page)) {
err = PTR_ERR(page);
+ ntfs_err(sb, "Failed to read $AttrDef (%d).", err);
goto put_inode_out;
}
memcpy(Add2Ptr(t, done), page_address(page),
@@ -1215,6 +1236,7 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
ntfs_unmap_page(page);
if (!idx && ATTR_STD != t->type) {
+ ntfs_err(sb, "$AttrDef is corrupted.");
err = -EINVAL;
goto put_inode_out;
}
@@ -1249,13 +1271,14 @@ static int ntfs_fill_super(struct super_block
*sb, struct fs_context *fc)
ref.seq = cpu_to_le16(MFT_REC_UPCASE);
inode = ntfs_iget5(sb, &ref, &NAME_UPCASE);
if (IS_ERR(inode)) {
- ntfs_err(sb, "Failed to load $UpCase.");
err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load $UpCase (%d).", err);
goto out;
}
if (inode->i_size != 0x10000 * sizeof(short)) {
err = -EINVAL;
+ ntfs_err(sb, "$UpCase is corrupted.");
goto put_inode_out;
}
@@ -1266,6 +1289,7 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
if (IS_ERR(page)) {
err = PTR_ERR(page);
+ ntfs_err(sb, "Failed to read $UpCase (%d).", err);
goto put_inode_out;
}
@@ -1291,23 +1315,31 @@ static int ntfs_fill_super(struct super_block
*sb, struct fs_context *fc)
if (is_ntfs3(sbi)) {
/* Load $Secure. */
err = ntfs_security_init(sbi);
- if (err)
+ if (err) {
+ ntfs_err(sb, "Failed to initialize $Secure (%d).", err);
goto out;
+ }
/* Load $Extend. */
err = ntfs_extend_init(sbi);
- if (err)
+ if (err) {
+ ntfs_warn(sb, "Failed to initialize $Extend.");
goto load_root;
+ }
- /* Load $Extend\$Reparse. */
+ /* Load $Extend/$Reparse. */
err = ntfs_reparse_init(sbi);
- if (err)
+ if (err) {
+ ntfs_warn(sb, "Failed to initialize $Extend/$Reparse.");
goto load_root;
+ }
- /* Load $Extend\$ObjId. */
+ /* Load $Extend/$ObjId. */
err = ntfs_objid_init(sbi);
- if (err)
+ if (err) {
+ ntfs_warn(sb, "Failed to initialize $Extend/$ObjId.");
goto load_root;
+ }
}
load_root:
@@ -1316,8 +1348,8 @@ static int ntfs_fill_super(struct super_block *sb,
struct fs_context *fc)
ref.seq = cpu_to_le16(MFT_REC_ROOT);
inode = ntfs_iget5(sb, &ref, &NAME_ROOT);
if (IS_ERR(inode) || !inode->i_op) {
- ntfs_err(sb, "Failed to load root.");
- err = IS_ERR(inode) ? PTR_ERR(inode) : -EINVAL;
+ err = PTR_ERR(inode);
+ ntfs_err(sb, "Failed to load root (%d).", err);
goto out;
}
--
2.34.1