Comment 2 for bug 201974

fired up gdb:

ROOT [tmp]$ ls newdir/
ROOT [tmp]$ gdb --args /var/tmp/encfs-1.4.1.1/bin/encfsctl export /tmp/eee /tmp/newdir
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This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/tls/libthread_db.so.1".

(gdb) b DirNode.cpp:354
No source file named DirNode.cpp.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (DirNode.cpp:354) pending.
(gdb) r
Starting program: /var/tmp/encfs-1.4.1.1/bin/encfsctl export /tmp/eee /tmp/newdir
[Thread debugging using libthread_db enabled]
[New Thread -1209100608 (LWP 6803)]
Breakpoint 2 at 0x2202fd: file DirNode.cpp, line 354.
Pending breakpoint "DirNode.cpp:354" resolved
EncFS Password:
[Switching to Thread -1209100608 (LWP 6803)]

Breakpoint 2, DirNode::plainPath (this=0x875a6a0, cipherPath_=0xbfe65d40 "fp2j,G,DF2WVrekSa1Mq7EN8n,v0N,9OJQfPCwXkfES-R,Dwi7oHk93z,5WO8QuMyg,") at DirNode.cpp:354
354 rError("decode err: %s", err.message());
(gdb) c
Continuing.
15:59:37 (DirNode.cpp:354) decode err: invalid padding size

Program exited normally.
(gdb) ROOT [tmp]$
ROOT [tmp]$
ROOT [tmp]$ ls eee/fp2j,G,DF2WVrekSa1Mq7EN8n,v0N,9OJQfPCwXkfES-R,
eee/fp2j,G,DF2WVrekSa1Mq7EN8n,v0N,9OJQfPCwXkfES-R,
ROOT [tmp]$ ls eee/*Dwi7*
eee/fgZz9DZf05o0Ry1YTRXgjiUiiVUPVjdg0VSOMh2fPeTcAuDwi7oHk93z,5WO8QuMyg,
ROOT [tmp]$

perhaps some buffer overrun?
the "cipherPath_=0xbfe65d40 "fp2j,G,DF2WVrekSa1Mq7EN8n,v0N,9OJQfPCwXkfES-R,Dwi7oHk93z,5WO8QuMyg,"

contains the full name of this file "fp2j,G,DF2WVrekSa1Mq7EN8n,v0N,9OJQfPCwXkfES-R,"
and then the "Dwi7oHk93z,5WO8QuMyg," belongs to the other file "fgZz9DZf05o0Ry1YTRXgjiUiiVUPVjdg0VSOMh2fPeTcAuDwi7oHk93z,5WO8QuMyg,"