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ntfs-3g
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fix hanging mount if $Bitmap data size is corrupt

master
szaka 2008-05-23 22:21:16 +00:00
parent 9d6a1dc617
commit 7705fc3fdf
1 changed files with 8 additions and 2 deletions
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10
libntfs-3g/volume.c
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@ -844,13 +844,19 @@ ntfs_volume *ntfs_device_mount(struct ntfs_device *dev, unsigned long flags)
ntfs_log_perror("Failed to open inode FILE_Bitmap");
goto error_exit;
}
/* Get an ntfs attribute for $Bitmap/$DATA. */
vol->lcnbmp_na = ntfs_attr_open(vol->lcnbmp_ni, AT_DATA, AT_UNNAMED, 0);
if (!vol->lcnbmp_na) {
ntfs_log_perror("Failed to open ntfs attribute");
goto error_exit;
}
/* Done with the $Bitmap mft record. */
if (vol->lcnbmp_na->data_size > vol->lcnbmp_na->allocated_size) {
ntfs_log_error("Corrupt cluster map size (%lld > %lld)\n",
(long long)vol->lcnbmp_na->data_size,
(long long)vol->lcnbmp_na->allocated_size);
goto io_error_exit;
}
/* Now load the upcase table from $UpCase. */
ntfs_log_debug("Loading $UpCase...\n");