abrt 1.0.0 detected a crash.

How to reproduce
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1.First i run: fsck.vfat /dev/sdb1
dosfsck 3.0.1, 23 Nov 2008, FAT32, LFN
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
  71:42/20, 72:4f/20, 73:4f/20, 74:54/20
1) Copy original to backup
2) Copy backup to original
3) No action
? 1
FATs differ but appear to be intact. Use which FAT ?
1) Use first FAT
2) Use second FAT
? 1
Orphaned long file name part "gx.dll"
1: Delete.
2: Leave it.
? 1
Reclaimed 385 unused clusters (1576960 bytes).
Free cluster summary wrong (394383 vs. really 394768)
1) Correct
2) Don't correct
? 1
Leaving file system unchanged.
/dev/sdb1: 356 files, 100260/495028 clusters

2. The I run: fsck.vfat -a /dev/sdb1 or fsck.vfat -y /dev/sdb1 and the error occurs.

Comment
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I tried to fix FAT file system eerors. The fsck.vfat -a /dev/sdb1 or fsck.vfat -y /dev/sdb1 resulted in errors, but fsck.vfat -w -r /dev/sdb1 did work after ansvering a fiew questions.
It seems that interactive mode works but batch mode doesn't.

backtrace
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Debuginfo absent: 0e779f0ad79e5478e077924603db4267836373eb
Debuginfo absent: 37f924e346314480e4cd5171909920530ee5f8ca
Debuginfo absent: 68354843e5200f56efe06888e9c389ee1e43aca2
Debuginfo absent: 749468ee016157e0d06e5f7a4f369a444ef06205
Debuginfo absent: 9feb0c25009cf269edc39e1712fc28b8fc71e4ba
Debuginfo absent: a17abc9143f461a7bc63a1e0d1d0ae3554d3c473
Debuginfo absent: a4fe82f4cad4d0888438fa37b692f6d590f1a2c7
Debuginfo absent: a8a2e267e911671383d5b0f26f0ae1fa3fc53ecc
Debuginfo absent: c033d23c920ea60ae44fd0cd660b37aaa44cb938
Debuginfo absent: db35e1ccd57ac6bd99dcfc37b1e86a48849be03c
Core was generated by `fsck.vfat -a /dev/sdb1'.
Program terminated with signal 6, Aborted.
#0  0x00d98416 in __kernel_vsyscall ()

Thread 1 (Thread 23250):
#0  0x00d98416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x006c5a81 in raise () from /lib/libc.so.6
No symbol table info available.
#2  0x006c734a in abort () from /lib/libc.so.6
No symbol table info available.
#3  0x00702e5d in __libc_message () from /lib/libc.so.6
No symbol table info available.
#4  0x0078ec5d in __fortify_fail () from /lib/libc.so.6
No symbol table info available.
#5  0x0078cd7a in __chk_fail () from /lib/libc.so.6
No symbol table info available.
#6  0x0078c4a8 in _IO_str_chk_overflow () from /lib/libc.so.6
No symbol table info available.
#7  0x007076e6 in _IO_default_xsputn_internal () from /lib/libc.so.6
No symbol table info available.
#8  0x006db1f7 in vfprintf () from /lib/libc.so.6
No symbol table info available.
#9  0x0078c557 in __vsprintf_chk () from /lib/libc.so.6
No symbol table info available.
#10 0x0078c49d in __sprintf_chk () from /lib/libc.so.6
No symbol table info available.
#11 0x0804d223 in exit ()
No symbol table info available.
#12 0x0804e0b0 in exit ()
No symbol table info available.
#13 0x0804907f in exit ()
No symbol table info available.
#14 0x006b1bb6 in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#15 0x08048b01 in exit ()
No symbol table info available.

cmdline: fsck.vfat -a /dev/sdb1
component: dosfstools
executable: /sbin/dosfsck
kernel: 2.6.31.9-174.fc12.i686.PAE
package: dosfstools-3.0.1-6.fc12
rating: 3
reason: Process was terminated by signal 6