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@theonewolf
Last active August 29, 2015 14:08
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print_bgd's patch
diff --git a/src/gray-crawler/ext4/ext4.c b/src/gray-crawler/ext4/ext4.c
index 34cc2b5..5778a36 100644
--- a/src/gray-crawler/ext4/ext4.c
+++ b/src/gray-crawler/ext4/ext4.c
@@ -106,6 +106,23 @@ struct ext4_dir_entry
uint8_t name[255]; /* 263 bytes */
} __attribute__((packed));
+void ext4_print_bgd(struct ext4_block_group_descriptor* bgd)
+{
+ fprintf_light_white(stdout, "struct ext4_block_group_descriptor\n");
+ fprintf(stdout, "\tbg_block_bitmap_lo: %"PRIu32"\n", bgd->bg_block_bitmap_lo);
+ fprintf(stdout, "\tbg_inode_bitmap_lo: %"PRIu32"\n", bgd->bg_inode_bitmap_lo);
+ fprintf(stdout, "\tbg_inode_table_lo: %"PRIu32"\n", bgd->bg_inode_table_lo);
+ fprintf(stdout, "\tbg_free_blocks_count_lo: %"PRIu16"\n", bgd->bg_free_blocks_count_lo);
+ fprintf(stdout, "\tbg_free_inodes_count_lo: %"PRIu16"\n", bgd->bg_free_inodes_count_lo);
+ fprintf(stdout, "\tbg_used_dirs_count_lo: %"PRIu16"\n", bgd->bg_used_dirs_count_lo);
+ fprintf(stdout, "\tbg_flags: 0x%"PRIx16"\n", bgd->bg_flags);
+ fprintf(stdout, "\tbg_exclude_bitmap_lo: %"PRIu32"\n", bgd->bg_exclude_bitmap_lo);
+ fprintf(stdout, "\tbg_block_bitmap_csum_lo: %"PRIu16"\n", bgd->bg_block_bitmap_csum_lo);
+ fprintf(stdout, "\tbg_inode_bitmap_csum_lo: %"PRIu16"\n", bgd->bg_inode_bitmap_csum_lo);
+ fprintf(stdout, "\tbg_itable_unused_lo: %"PRIu16"\n", bgd->bg_itable_unused_lo);
+ fprintf(stdout, "\tbg_checksum: %"PRIu16"\n", bgd->bg_checksum);
+}
+
int ext4_probe(FILE* disk, struct fs* fs)
{
struct ext4_superblock* superblock;
@@ -329,6 +346,8 @@ int ext4_read_bgd(FILE* disk, int64_t partition_offset,
return -1;
}
+ ext4_print_bgd(bgd);
+
return 0;
}
@bamos
Copy link

bamos commented Nov 5, 2014

Trace on Android:

Raw Disk Crawler -- By: Wolfgang Richter <wolf@cs.cmu.edu>
Analyzing Disk: /dev/block/mmcblk0


Probing for gpt... mbr->sig: 55


Analyzing Protective MBR Header
Disk Signature [optional]: 0x00000000
Position 444 [0x0000]: 0x0000
Verifying MBR Signature [0x55 0xaa]: 0x55 0xaa



Analyzing Primary GPT Header
Signature: 0x5452415020494645
Revision: 0x00010000
Header Size: 0x00000200
Header CRC32: 0xee5292d5
Current LBA: 0x0000000000000001
Backup LBA: 0x0000000001d59fff
First Usable LBA: 0x0000000000000022
Last Usable LBA: 0x0000000001d59fde
Disk GUID: 0x52444e41-494f-2044-4d4d-43204449534b
Starting LBA partition entries: 0x0000000000000002
Number of partition entries: 0x00000080
Size of a single partition entry: 0x00000080
CRC32 of partition array: 0x6b374442

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-786c-6f6164657200
First LBA: 0x0000000000000100
Last LBA: 0x00000000000001ff
Attribute Flags: 0x0000000000000000
Partition Name: 'x'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7362-6c0000000000
First LBA: 0x0000000000000400
Last LBA: 0x0000000000001fff
Attribute Flags: 0x0000000000000000
Partition Name: 's'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6566-730000000000
First LBA: 0x0000000000002000
Last LBA: 0x000000000000bfff
Attribute Flags: 0x0000000000000000
Partition Name: 'e'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7061-72616d000000
First LBA: 0x000000000000c000
Last LBA: 0x000000000000ffff
Attribute Flags: 0x0000000000000000
Partition Name: 'p'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6d69-736300000000
First LBA: 0x0000000000010000
Last LBA: 0x0000000000011fff
Attribute Flags: 0x0000000000000000
Partition Name: 'm'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6467-730000000000
First LBA: 0x0000000000012000
Last LBA: 0x0000000000013fff
Attribute Flags: 0x0000000000000000
Partition Name: 'd'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-626f-6f7400000000
First LBA: 0x0000000000014000
Last LBA: 0x0000000000017fff
Attribute Flags: 0x0000000000000000
Partition Name: 'b'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7265-636f76657279
First LBA: 0x0000000000018000
Last LBA: 0x000000000001df7f
Attribute Flags: 0x0000000000000000
Partition Name: 'r'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7261-64696f000000
First LBA: 0x000000000001e000
Last LBA: 0x0000000000025fff
Attribute Flags: 0x0000000000000000
Partition Name: 'r'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7379-7374656d0000
First LBA: 0x0000000000026000
Last LBA: 0x000000000016cfff
Attribute Flags: 0x0000000000000000
Partition Name: 's'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6361-636865000000
First LBA: 0x000000000016d000
Last LBA: 0x0000000000244fff
Attribute Flags: 0x0000000000000000
Partition Name: 'c'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7573-657264617461
First LBA: 0x0000000000245000
Last LBA: 0x0000000001d59fdd
Attribute Flags: 0x0000000000000000
Partition Name: 'u'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6d65-746164617461
First LBA: 0x000000000001df80
Last LBA: 0x000000000001dfff
Attribute Flags: 0x0000000000000000
Partition Name: 'm'
found gpt partition table!

Probing for ext4... ext4 superblock s_magic[0x946c] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0xffea] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0xef53] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... ext4 superblock s_magic[0x6e31] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... found ext4 file system!
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 49
    bg_inode_bitmap_lo: 50
    bg_inode_table_lo: 51
    bg_free_blocks_count_lo: 0
    bg_free_inodes_count_lo: 5848
    bg_used_dirs_count_lo: 61
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 4532
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 32817
    bg_inode_bitmap_lo: 32818
    bg_inode_table_lo: 32819
    bg_free_blocks_count_lo: 3769
    bg_free_inodes_count_lo: 6971
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6971
    bg_checksum: 24511
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 65536
    bg_inode_bitmap_lo: 65537
    bg_inode_table_lo: 65538
    bg_free_blocks_count_lo: 1
    bg_free_inodes_count_lo: 6974
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6974
    bg_checksum: 33182
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 98353
    bg_inode_bitmap_lo: 98354
    bg_inode_table_lo: 98355
    bg_free_blocks_count_lo: 6816
    bg_free_inodes_count_lo: 6976
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6975
    bg_checksum: 35877
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 131072
    bg_inode_bitmap_lo: 131073
    bg_inode_table_lo: 131074
    bg_free_blocks_count_lo: 32329
    bg_free_inodes_count_lo: 6975
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6975
    bg_checksum: 27950
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 163889
    bg_inode_bitmap_lo: 163890
    bg_inode_table_lo: 163891
    bg_free_blocks_count_lo: 3097
    bg_free_inodes_count_lo: 6976
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 19252

Probing for ext4... found ext4 file system!
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 33
    bg_inode_bitmap_lo: 34
    bg_inode_table_lo: 35
    bg_free_blocks_count_lo: 32301
    bg_free_inodes_count_lo: 6901
    bg_used_dirs_count_lo: 2
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 18715
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 32801
    bg_inode_bitmap_lo: 32802
    bg_inode_table_lo: 32803
    bg_free_blocks_count_lo: 32296
    bg_free_inodes_count_lo: 6910
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6905
    bg_checksum: 1213
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 65536
    bg_inode_bitmap_lo: 65537
    bg_inode_table_lo: 65538
    bg_free_blocks_count_lo: 32333
    bg_free_inodes_count_lo: 6911
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6911
    bg_checksum: 61385
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 98337
    bg_inode_bitmap_lo: 98338
    bg_inode_table_lo: 98339
    bg_free_blocks_count_lo: 10090
    bg_free_inodes_count_lo: 6912
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 52414

Probing for ext4... found ext4 file system!
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 873
    bg_inode_bitmap_lo: 874
    bg_inode_table_lo: 875
    bg_free_blocks_count_lo: 4128
    bg_free_inodes_count_lo: 8130
    bg_used_dirs_count_lo: 2
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 6134
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 33641
    bg_inode_bitmap_lo: 33642
    bg_inode_table_lo: 33643
    bg_free_blocks_count_lo: 19629
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 49655
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 65536
    bg_inode_bitmap_lo: 65537
    bg_inode_table_lo: 65538
    bg_free_blocks_count_lo: 0
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 15019
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 99177
    bg_inode_bitmap_lo: 99178
    bg_inode_table_lo: 99179
    bg_free_blocks_count_lo: 30720
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 56435
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 131072
    bg_inode_bitmap_lo: 131073
    bg_inode_table_lo: 131074
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 39965
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 164713
    bg_inode_bitmap_lo: 164714
    bg_inode_table_lo: 164715
    bg_free_blocks_count_lo: 31384
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 4571
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 196608
    bg_inode_bitmap_lo: 196609
    bg_inode_table_lo: 196610
    bg_free_blocks_count_lo: 29623
    bg_free_inodes_count_lo: 8139
    bg_used_dirs_count_lo: 4
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8138
    bg_checksum: 43912
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 230249
    bg_inode_bitmap_lo: 230250
    bg_inode_table_lo: 230251
    bg_free_blocks_count_lo: 31384
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 20409
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 262144
    bg_inode_bitmap_lo: 262145
    bg_inode_table_lo: 262146
    bg_free_blocks_count_lo: 32186
    bg_free_inodes_count_lo: 8138
    bg_used_dirs_count_lo: 2
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8138
    bg_checksum: 10900
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 295785
    bg_inode_bitmap_lo: 295786
    bg_inode_table_lo: 295787
    bg_free_blocks_count_lo: 31384
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 38036
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 327680
    bg_inode_bitmap_lo: 327681
    bg_inode_table_lo: 327682
    bg_free_blocks_count_lo: 32227
    bg_free_inodes_count_lo: 8143
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8143
    bg_checksum: 64503
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 360448
    bg_inode_bitmap_lo: 360449
    bg_inode_table_lo: 360450
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 26625
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 393216
    bg_inode_bitmap_lo: 393217
    bg_inode_table_lo: 393218
    bg_free_blocks_count_lo: 32256
    bg_free_inodes_count_lo: 8143
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8143
    bg_checksum: 23398
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 425984
    bg_inode_bitmap_lo: 425985
    bg_inode_table_lo: 425986
    bg_free_blocks_count_lo: 32245
    bg_free_inodes_count_lo: 8142
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8142
    bg_checksum: 47940
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 458752
    bg_inode_bitmap_lo: 458753
    bg_inode_table_lo: 458754
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 64500
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 491520
    bg_inode_bitmap_lo: 491521
    bg_inode_table_lo: 491522
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 54469
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 524288
    bg_inode_bitmap_lo: 524289
    bg_inode_table_lo: 524290
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 21455
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 557056
    bg_inode_bitmap_lo: 557057
    bg_inode_table_lo: 557058
    bg_free_blocks_count_lo: 32229
    bg_free_inodes_count_lo: 8100
    bg_used_dirs_count_lo: 20
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8100
    bg_checksum: 45965
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 589824
    bg_inode_bitmap_lo: 589825
    bg_inode_table_lo: 589826
    bg_free_blocks_count_lo: 32251
    bg_free_inodes_count_lo: 8137
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
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Error seeking to inode table 0x80d6b000.
Error populating icache.
Error serializing file system.

@theonewolf
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Great! This will help immensely.

Can you dump the same data from derecho/x86 Gammaray?

@bamos
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bamos commented Nov 6, 2014

x86 trace

Raw Disk Crawler -- By: Wolfgang Richter <wolf@cs.cmu.edu>
Analyzing Disk: mmcblk0-netcp.raw


Probing for gpt... mbr->sig: 55


Analyzing Protective MBR Header
Disk Signature [optional]: 0x00000000
Position 444 [0x0000]: 0x0000
Verifying MBR Signature [0x55 0xaa]: 0x55 0xaa



Analyzing Primary GPT Header
Signature: 0x5452415020494645
Revision: 0x00010000
Header Size: 0x00000200
Header CRC32: 0xee5292d5
Current LBA: 0x0000000000000001
Backup LBA: 0x0000000001d59fff
First Usable LBA: 0x0000000000000022
Last Usable LBA: 0x0000000001d59fde
Disk GUID: 0x52444e41-494f-2044-4d4d-43204449534b
Starting LBA partition entries: 0x0000000000000002
Number of partition entries: 0x00000080
Size of a single partition entry: 0x00000080
CRC32 of partition array: 0x6b374442

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-786c-6f6164657200
First LBA: 0x0000000000000100
Last LBA: 0x00000000000001ff
Attribute Flags: 0x0000000000000000
Partition Name: 'x'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7362-6c0000000000
First LBA: 0x0000000000000400
Last LBA: 0x0000000000001fff
Attribute Flags: 0x0000000000000000
Partition Name: 's'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6566-730000000000
First LBA: 0x0000000000002000
Last LBA: 0x000000000000bfff
Attribute Flags: 0x0000000000000000
Partition Name: 'e'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7061-72616d000000
First LBA: 0x000000000000c000
Last LBA: 0x000000000000ffff
Attribute Flags: 0x0000000000000000
Partition Name: 'p'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6d69-736300000000
First LBA: 0x0000000000010000
Last LBA: 0x0000000000011fff
Attribute Flags: 0x0000000000000000
Partition Name: 'm'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6467-730000000000
First LBA: 0x0000000000012000
Last LBA: 0x0000000000013fff
Attribute Flags: 0x0000000000000000
Partition Name: 'd'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-626f-6f7400000000
First LBA: 0x0000000000014000
Last LBA: 0x0000000000017fff
Attribute Flags: 0x0000000000000000
Partition Name: 'b'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7265-636f76657279
First LBA: 0x0000000000018000
Last LBA: 0x000000000001df7f
Attribute Flags: 0x0000000000000000
Partition Name: 'r'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7261-64696f000000
First LBA: 0x000000000001e000
Last LBA: 0x0000000000025fff
Attribute Flags: 0x0000000000000000
Partition Name: 'r'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7379-7374656d0000
First LBA: 0x0000000000026000
Last LBA: 0x000000000016cfff
Attribute Flags: 0x0000000000000000
Partition Name: 's'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6361-636865000000
First LBA: 0x000000000016d000
Last LBA: 0x0000000000244fff
Attribute Flags: 0x0000000000000000
Partition Name: 'c'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-7573-657264617461
First LBA: 0x0000000000245000
Last LBA: 0x0000000001d59fdd
Attribute Flags: 0x0000000000000000
Partition Name: 'u'

Checking partition table entry.
Partition type GUID: 0xebd0a0a2-b9e5-4433-87c0-68b6b72699c7
Unique partition GUID: 0x52444e41-494f-2044-6d65-746164617461
First LBA: 0x000000000001df80
Last LBA: 0x000000000001dfff
Attribute Flags: 0x0000000000000000
Partition Name: 'm'
found gpt partition table!

Probing for ext4... Seeking to: 0x0000000000020000.
ext4 superblock s_magic[0x946c] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000000080000.
ext4 superblock s_magic[0xffea] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000000400000.
ext4 superblock s_magic[0xef53] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000001800000.
ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000002000000.
ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000002400000.
ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000002800000.
ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000003000000.
ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000003c00000.
ext4 superblock s_magic[0x6e31] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

Probing for ext4... Seeking to: 0x0000000004c00000.
found ext4 file system!
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 49
    bg_inode_bitmap_lo: 50
    bg_inode_table_lo: 51
    bg_free_blocks_count_lo: 0
    bg_free_inodes_count_lo: 5848
    bg_used_dirs_count_lo: 61
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 4532
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 32817
    bg_inode_bitmap_lo: 32818
    bg_inode_table_lo: 32819
    bg_free_blocks_count_lo: 3769
    bg_free_inodes_count_lo: 6971
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6971
    bg_checksum: 24511
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 65536
    bg_inode_bitmap_lo: 65537
    bg_inode_table_lo: 65538
    bg_free_blocks_count_lo: 1
    bg_free_inodes_count_lo: 6974
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6974
    bg_checksum: 33182
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 98353
    bg_inode_bitmap_lo: 98354
    bg_inode_table_lo: 98355
    bg_free_blocks_count_lo: 6816
    bg_free_inodes_count_lo: 6976
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6975
    bg_checksum: 35877
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 131072
    bg_inode_bitmap_lo: 131073
    bg_inode_table_lo: 131074
    bg_free_blocks_count_lo: 32329
    bg_free_inodes_count_lo: 6975
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6975
    bg_checksum: 27950
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 163889
    bg_inode_bitmap_lo: 163890
    bg_inode_table_lo: 163891
    bg_free_blocks_count_lo: 3097
    bg_free_inodes_count_lo: 6976
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 19252

Probing for ext4... Seeking to: 0x000000002da00000.
found ext4 file system!
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 33
    bg_inode_bitmap_lo: 34
    bg_inode_table_lo: 35
    bg_free_blocks_count_lo: 32301
    bg_free_inodes_count_lo: 6901
    bg_used_dirs_count_lo: 2
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 18715
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 32801
    bg_inode_bitmap_lo: 32802
    bg_inode_table_lo: 32803
    bg_free_blocks_count_lo: 32296
    bg_free_inodes_count_lo: 6910
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6905
    bg_checksum: 1213
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 65536
    bg_inode_bitmap_lo: 65537
    bg_inode_table_lo: 65538
    bg_free_blocks_count_lo: 32333
    bg_free_inodes_count_lo: 6911
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 6911
    bg_checksum: 61385
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 98337
    bg_inode_bitmap_lo: 98338
    bg_inode_table_lo: 98339
    bg_free_blocks_count_lo: 10090
    bg_free_inodes_count_lo: 6912
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 52414

Probing for ext4... Seeking to: 0x0000000048a00000.
found ext4 file system!
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 873
    bg_inode_bitmap_lo: 874
    bg_inode_table_lo: 875
    bg_free_blocks_count_lo: 4128
    bg_free_inodes_count_lo: 8130
    bg_used_dirs_count_lo: 2
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 6134
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 33641
    bg_inode_bitmap_lo: 33642
    bg_inode_table_lo: 33643
    bg_free_blocks_count_lo: 19629
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 49655
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 65536
    bg_inode_bitmap_lo: 65537
    bg_inode_table_lo: 65538
    bg_free_blocks_count_lo: 0
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 15019
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 99177
    bg_inode_bitmap_lo: 99178
    bg_inode_table_lo: 99179
    bg_free_blocks_count_lo: 30720
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 56435
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 131072
    bg_inode_bitmap_lo: 131073
    bg_inode_table_lo: 131074
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 39965
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 164713
    bg_inode_bitmap_lo: 164714
    bg_inode_table_lo: 164715
    bg_free_blocks_count_lo: 31384
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 4571
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 196608
    bg_inode_bitmap_lo: 196609
    bg_inode_table_lo: 196610
    bg_free_blocks_count_lo: 29623
    bg_free_inodes_count_lo: 8139
    bg_used_dirs_count_lo: 4
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8138
    bg_checksum: 43912
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 230249
    bg_inode_bitmap_lo: 230250
    bg_inode_table_lo: 230251
    bg_free_blocks_count_lo: 31384
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 20409
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 262144
    bg_inode_bitmap_lo: 262145
    bg_inode_table_lo: 262146
    bg_free_blocks_count_lo: 32186
    bg_free_inodes_count_lo: 8138
    bg_used_dirs_count_lo: 2
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8138
    bg_checksum: 10900
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 295785
    bg_inode_bitmap_lo: 295786
    bg_inode_table_lo: 295787
    bg_free_blocks_count_lo: 31384
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 38036
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 327680
    bg_inode_bitmap_lo: 327681
    bg_inode_table_lo: 327682
    bg_free_blocks_count_lo: 32227
    bg_free_inodes_count_lo: 8143
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8143
    bg_checksum: 64503
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 360448
    bg_inode_bitmap_lo: 360449
    bg_inode_table_lo: 360450
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 26625
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 393216
    bg_inode_bitmap_lo: 393217
    bg_inode_table_lo: 393218
    bg_free_blocks_count_lo: 32256
    bg_free_inodes_count_lo: 8143
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8143
    bg_checksum: 23398
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 425984
    bg_inode_bitmap_lo: 425985
    bg_inode_table_lo: 425986
    bg_free_blocks_count_lo: 32245
    bg_free_inodes_count_lo: 8142
    bg_used_dirs_count_lo: 0
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8142
    bg_checksum: 47940
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 458752
    bg_inode_bitmap_lo: 458753
    bg_inode_table_lo: 458754
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 64500
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 491520
    bg_inode_bitmap_lo: 491521
    bg_inode_table_lo: 491522
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 54469
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 524288
    bg_inode_bitmap_lo: 524289
    bg_inode_table_lo: 524290
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 21455
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 557056
    bg_inode_bitmap_lo: 557057
    bg_inode_table_lo: 557058
    bg_free_blocks_count_lo: 32229
    bg_free_inodes_count_lo: 8100
    bg_used_dirs_count_lo: 20
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8100
    bg_checksum: 45965
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 589824
    bg_inode_bitmap_lo: 589825
    bg_inode_table_lo: 589826
    bg_free_blocks_count_lo: 32251
    bg_free_inodes_count_lo: 8137
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 8136
    bg_checksum: 33901
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 622592
    bg_inode_bitmap_lo: 622593
    bg_inode_table_lo: 622594
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 8860
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 655360
    bg_inode_bitmap_lo: 655361
    bg_inode_table_lo: 655362
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 61195
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 688128
    bg_inode_bitmap_lo: 688129
    bg_inode_table_lo: 688130
    bg_free_blocks_count_lo: 32257
    bg_free_inodes_count_lo: 8144
    bg_used_dirs_count_lo: 0
    bg_flags: 0x5
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
    bg_itable_unused_lo: 0
    bg_checksum: 49210
struct ext4_block_group_descriptor
    bg_block_bitmap_lo: 720896
    bg_inode_bitmap_lo: 720897
    bg_inode_table_lo: 720898
    bg_free_blocks_count_lo: 32256
    bg_free_inodes_count_lo: 8143
    bg_used_dirs_count_lo: 1
    bg_flags: 0x4
    bg_exclude_bitmap_lo: 0
    bg_block_bitmap_csum_lo: 0
    bg_inode_bitmap_csum_lo: 0
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Probing for ext4... Seeking to: 0x0000000003bf0000.
ext4 superblock s_magic[0x0000] mismatch.
not found.

Probing for ntfs... NTFS probe failed.
not found.

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