[sheepdog-users] functional test 014 is failure in current master branch

[Ruoyu]

Stable branch is OK, but failed in master branch.

014 Last Used:2s.  Test vdi setattr/getattr - output mismatch (see 
014.out.bad)
--- 014.out    2014-05-08 09:55:23.485439497 +0800
+++ 014.out.bad    2014-08-14 17:06:41.032975581 +0800
@@ -2,5 +2,23 @@
  using backend plain store
  key shouldn't be found
  Attribute 'key' not found
+dog exits unexpectedly (Segmentation fault).
+dog.c:374: crash_handler
+/lib/x86_64-linux-gnu/libpthread.so.0(+0xfbaf) [0x7f4ce1a00baf]
+/lib/x86_64-linux-gnu/libc.so.6(cfree+0x3b) [0x7f4ce14a493b]
+vdi.c:1337: vdi_setattr
+dog.c:572: main
+/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf4) [0x7f4ce1442de4]
+../../dog/dog() [0x403698]
+./014: line 21: 20121 Segmentation fault      $DOG vdi setattr test key 
value
+dog exits unexpectedly (Segmentation fault).
+dog.c:374: crash_handler
+/lib/x86_64-linux-gnu/libpthread.so.0(+0xfbaf) [0x7f01fef06baf]
+/lib/x86_64-linux-gnu/libc.so.6(cfree+0x3b) [0x7f01fe9aa93b]
+vdi.c:1337: vdi_setattr
+dog.c:572: main
+/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf4) [0x7f01fe948de4]
+../../dog/dog() [0x403698]
+./014: line 24: 20155 Segmentation fault      $DOG vdi setattr test key 
value -d
  key shouldn't be found
  Attribute 'key' not found
Failures: 014
Failed 1 of 1 tests