#0  0xb7e2bccc in memcpy () from /lib/tls/i686/cmov/libc.so.6
#1  0x0804ecf0 in fs_read (pos=59101600, size=32, data=0xbfe4c754) at io.c:99
#2  0x08049e45 in add_file (fs=0xbfe4c898, chain=0xbfe4c7d4, parent=0x80569f0, offset=59101600, cp=0x0) at check.c:756
#3  0x0804c1a0 in subdirs (fs=0x0, parent=<value optimized out>, cp=0x0) at check.c:815
#4  0x0804c1fa in subdirs (fs=0xbfe4c898, parent=<value optimized out>, cp=0x80555e0) at check.c:825
#5  0x0804c306 in scan_root (fs=0xbfe4c898) at check.c:860
#6  0x0804ce6c in main (argc=Cannot access memory at address 0x4
) at dosfsck.c:150
#7  0xb7dd0050 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#8  0x08048c21 in _start ()
(gdb) bt full
#0  0xb7e2bccc in memcpy () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#1  0x0804ecf0 in fs_read (pos=59101600, size=32, data=0xbfe4c754) at io.c:99
        walk = (CHANGE *) 0xa052070
        got = <value optimized out>
#2  0x08049e45 in add_file (fs=0xbfe4c898, chain=0xbfe4c7d4, parent=0x80569f0, offset=59101600, cp=0x0) at check.c:756
        new = <value optimized out>
        de = {name = "\000\000\000\000\000\000\000", ext = "\000\000", attr = 0 '\0', lcase = 0 '\0', ctime_ms = 0 '\0', ctime = 0, cdate = 18324, adate = 60430, 
  starthi = 37391, time = 8015, date = 3651, start = 23617, size = 196542740}
        type = <value optimized out>
#3  0x0804c1a0 in subdirs (fs=0x0, parent=<value optimized out>, cp=0x0) at check.c:815
        walk = (DOS_FILE *) 0x80569f0
#4  0x0804c1fa in subdirs (fs=0xbfe4c898, parent=<value optimized out>, cp=0x80555e0) at check.c:825
        walk = (DOS_FILE *) 0x8056040
#5  0x0804c306 in scan_root (fs=0xbfe4c898) at check.c:860
        chain = (DOS_FILE **) 0x8056070
        i = -1075525480
#6  0x0804ce6c in main (argc=Cannot access memory at address 0x4
) at dosfsck.c:150
        fs = {nfats = 2, fat_start = 16384, fat_size = 1979904, fat_bits = 32, eff_fat_bits = 28, root_cluster = 2, root_start = 3976192, root_entries = 0, 
  data_start = 3976192, cluster_size = 4096, clusters = 494934, fsinfo_start = 512, free_clusters = 181, backupboot_start = 3072, fat = 0xb707f008}
        rw = 1
        salvage_files = 1
        verify = 0
        c = <value optimized out>
        free_clusters = <value optimized out>
#7  0xb7dd0050 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#8  0x08048c21 in _start ()
No symbol table info available.