[Gluster-devel] Regression failure: NFS segfault

[Venky Shankar]

Got this backtrace in gNFS in one of the regression run:

(gdb) bt
#0  0x00007f170f0fc380 in pthread_spin_lock () from /lib64/libpthread.so.0
#1  0x00007f170fb85993 in dict_get (this=0x5d292c282e392d30, 
key=0x7f16e8008330 "\220\247")
     at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/dict.c:390
#2  0x00007f1701d86340 in exp_dir_get_netgroup (expdir=0x7f16e80084d0, 
netgroup=0x7f16e8008330 "\220\247")
     at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/nfs/server/src/exports.c:1213
#3  0x00007f1701d8724e in __export_dir_lookup_netgroup 
(dict=0x7f170d5c3fbc, key=0x7f16e8008330 "\220\247", val=0x7f170d3e2690,
     data=0x7f1703514cb0)
     at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/nfs/server/src/mount3-auth.c:442
#4  0x00007f170fb87321 in dict_foreach_match (dict=0x7f170d5c3fbc, 
match=0x7f170fb871b4 <dict_foreach+5>, match_data=0x0,
     action=0x7f1701d8711d <__export_dir_lookup_netgroup+16>, 
action_data=0x7f1703514cb0)
     at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/dict.c:1179
#5  0x00007f170fb87214 in dict_foreach_match (dict=0x7f1703514cb0, 
match=0, match_data=0x7f170fb87214, action=0x7f1703514c70,
     action_data=0x7f170fb871b4) at 
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/dict.c:1166
#6  0x00007f1701d87653 in _mnt3_auth_check_host_in_netgroup 
(auth_params=0x7f16fc03bfc0, fh=0x7f16faa66250,
     host=0x7f16fc17dfc0 "104.130.192.98", dir=0x0, item=0x7f1703514d60)

Don't know if this is something that's already seen/reported.

Core is saved in slave23:/home/jenkins/dbg
# gdb /build/install/sbin/glusterfs build/install/cores/core.9468

-Venky