sos reports at : 
http://rhsqe-repo.lab.eng.blr.redhat.com/bugs_necessary_info/961682/

Looks like a corruption in volume option list.
in xlator_volume_option_get_list
   cmp_key = opt[index].key[i];

 but opt[4].key[1] is corrupted.

(gdb) p stub->vol_opt->given_opt[4]
$19 = {key = {0x7f29eb5d329b "system.posix_acl_access", 0x100000000 <Address 0x100000000 out of bounds>, 0x7f29eb5d32b3 "system.posix_acl_default", 
    0x100000000 <Address 0x100000000 out of bounds>}, type = 3948753612, min = 2.1219957909652723e-314, max = 6.907927992680449e-310, value = {
    0x100000000 <Address 0x100000000 out of bounds>, 0x7f29eb5d32f1 "gfid-req", 0x100000000 <Address 0x100000000 out of bounds>, 0x0, 0x0, 0x0, 0x0, 
    0xf5b89c3d00000067 <Address 0xf5b89c3d00000067 out of bounds>, 0x7472747368732e00 <Address 0x7472747368732e00 out of bounds>, 
    0x65746f6e2e006261 <Address 0x65746f6e2e006261 out of bounds>, 0x6975622e756e672e <Address 0x6975622e756e672e out of bounds>, 
    0x672e0064692d646c <Address 0x672e0064692d646c out of bounds>, 0x687361682e756e <Address 0x687361682e756e out of bounds>, 
    0x6d79736e79642e <Address 0x6d79736e79642e out of bounds>, 0x7274736e79642e <Address 0x7274736e79642e out of bounds>, 
    0x7265762e756e672e <Address 0x7265762e756e672e out of bounds>, 0x6e672e006e6f6973 <Address 0x6e672e006e6f6973 out of bounds>, 
    0x6f69737265762e75 <Address 0x6f69737265762e75 out of bounds>, 0x6c65722e00725f6e <Address 0x6c65722e00725f6e out of bounds>, 
    0x722e006e79642e61 <Address 0x722e006e79642e61 out of bounds>, 0x746c702e616c65 <Address 0x746c702e616c65 out of bounds>, 
    0x742e0074696e692e <Address 0x742e0074696e692e out of bounds>, 0x6e69662e00747865 <Address 0x6e69662e00747865 out of bounds>, 
    0x7461646f722e0069 <Address 0x7461646f722e0069 out of bounds>, 0x72665f68652e0061 <Address 0x72665f68652e0061 out of bounds>, 
    0x7264685f656d61 <Address 0x7264685f656d61 out of bounds>, 0x6d6172665f68652e <Address 0x6d6172665f68652e out of bounds>, 
    0x73726f74632e0065 <Address 0x73726f74632e0065 out of bounds>, 0x73726f74642e00 <Address 0x73726f74642e00 out of bounds>, 
    0x61642e0072636a2e <Address 0x61642e0072636a2e out of bounds>, 0x722e6c65722e6174 <Address 0x722e6c65722e6174 out of bounds>, 
    0x6d616e79642e006f <Address 0x6d616e79642e006f out of bounds>, 0x746f672e006369 <Address 0x746f672e006369 out of bounds>, 
    0x746c702e746f672e <Address 0x746c702e746f672e out of bounds>, 0x2e00617461642e00 <Address 0x2e00617461642e00 out of bounds>, 
    0x756e672e00737362 <Address 0x756e672e00737362 out of bounds>, 0x696c67756265645f <Address 0x696c67756265645f out of bounds>, 
    0x6b6e <Address 0x6b6e out of bounds>, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70000000b <Address 0x70000000b out of bounds>, 
    0x2 <Address 0x2 out of bounds>, 0x190 <Address 0x190 out of bounds>, 0x190 <Address 0x190 out of bounds>, 0x24 <Address 0x24 out of bounds>, 
    0x0, 0x4 <Address 0x4 out of bounds>, 0x0, 0x6ffffff60000001e <Address 0x6ffffff60000001e out of bounds>, 0x2 <Address 0x2 out of bounds>, 
    0x1b8 <Address 0x1b8 out of bounds>, 0x1b8 <Address 0x1b8 out of bounds>, 0x2a0 <Address 0x2a0 out of bounds>, 0x3 <Address 0x3 out of bounds>, 
    0x8 <Address 0x8 out of bounds>, 0x0, 0xb00000028 <Address 0xb00000028 out of bounds>, 0x2 <Address 0x2 out of bounds>}, 
  default_value = 0x458 <Address 0x458 out of bounds>, description = 0x458 <Address 0x458 out of bounds>, validate = 2928}

(gdb) info reg
rax            0x0      0
rbx            0x7fff4bcad330   140734464971568
rcx            0x0      0
rdx            0x0      0
rsi            0x7fff4bcac970   140734464969072
rdi            0x100000000      4294967296
rbp            0x7f29f38bfa04   0x7f29f38bfa04
rsp            0x7fff4bcad2a0   0x7fff4bcad2a0
r8             0x2      2
r9             0x0      0
r10            0x6ea81e 7251998
r11            0x7f29f50fad30   139818181831984
r12            0x6ea810 7251984
r13            0x7f29f36ddabc   139818154449596
r14            0x6fc230 7324208
r15            0x7f29f38bfa04   139818156423684
rip            0x7f29f50fb0d3   0x7f29f50fb0d3 <xl_opt_validate+67>
eflags         0x246    [ PF ZF IF ]
cs             0x33     51
ss             0x2b     43
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0

Other options:
(gdb) p stub->vol_opt->given_opt[1]
$22 = {key = {0x7f29eb5d3082 "cache-posix-acl", 0x0, 0x0, 0x0}, type = GF_OPTION_TYPE_BOOL, min = 0, max = 0, value = {0x0 <repeats 64 times>}, 
  default_value = 0x7f29eb5d328e "false", description = 0x0, validate = GF_OPT_VALIDATE_BOTH}
(gdb) p stub->vol_opt->given_opt[2]
$23 = {key = {0x7f29eb5d3059 "md-cache-timeout", 0x0, 0x0, 0x0}, type = GF_OPTION_TYPE_INT, min = 0, max = 60, value = {0x0 <repeats 64 times>}, 
  default_value = 0x7f29eb5d3294 "1", description = 0x7f29eb5d3648 "Time period after which cache has to be refreshed", 
  validate = GF_OPT_VALIDATE_BOTH}
(gdb) p stub->vol_opt->given_opt[3]
$24 = {key = {0x7f29eb5d30a4 "force-readdirp", 0x0, 0x0, 0x0}, type = GF_OPTION_TYPE_BOOL, min = 0, max = 0, value = {0x0 <repeats 64 times>}, 
  default_value = 0x7f29eb5d3296 "true", 
  description = 0x7f29eb5d3680 "Convert all readdir requests to readdirplus to collect stat info on each entry.", validate = GF_OPT_VALIDATE_BOTH}

(gdb) p stub->vol_opt->given_opt[0]
$27 = {key = {0x7f29eb5d306a "cache-selinux", 0x0, 0x0, 0x0}, type = GF_OPTION_TYPE_BOOL, min = 0, max = 0, value = {0x0 <repeats 64 times>}, 
  default_value = 0x7f29eb5d328e "false", description = 0x0, validate = GF_OPT_VALIDATE_BOTH}

Version : 
======= 
3.4.0.7rhs-1.el6rhs.x86_64

Could not reproduce the issue . Marking it as Verfied .

Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. 

For information on the advisory, and where to find the updated files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-1262.html