Regression failure: https://build.gluster.org/job/centos7-regression/3678/

[Nithya Balachandran <nbalacha@xxxxxxxxxx>]

Hi Mohit,

The regression run in the subject has failed because a brick has crashed in 

bug-1432542-mpx-restart-crash.t

06:03:38 1 test(s) generated core 
06:03:38 ./tests/bugs/core/bug-1432542-mpx-restart-crash.t
06:03:38 

The brick process has crashed in posix_fs_health_check as  this->priv contains garbage. It looks like it might have been freed already. Can you take a look at it?

(gdb) bt

#0  0x00007f4019ea1f19 in vfprintf () from ./lib64/libc.so.6

#1  0x00007f4019eccf49 in vsnprintf () from ./lib64/libc.so.6

#2  0x00007f401b87705a in gf_vasprintf (string_ptr=0x7f3e81ff99f0, format=0x7f400df32f40 "op=%s;path=%s;error=%s;brick=%s:%s timeout is %d", arg=0x7f3e81ff99f8)

    at /home/jenkins/root/workspace/centos7-regression/libglusterfs/src/mem-pool.c:234

#3  0x00007f401b8de6e2 in _gf_event (event=EVENT_POSIX_HEALTH_CHECK_FAILED, fmt=0x7f400df32f40 "op=%s;path=%s;error=%s;brick=%s:%s timeout is %d")

    at /home/jenkins/root/workspace/centos7-regression/libglusterfs/src/events.c:89

#4  0x00007f400def07f9 in posix_fs_health_check (this=0x7f3fd78b7840) at /home/jenkins/root/workspace/centos7-regression/xlators/storage/posix/src/posix-helpers.c:1960

#5  0x00007f400def0926 in posix_health_check_thread_proc (data="">

    at /home/jenkins/root/workspace/centos7-regression/xlators/storage/posix/src/posix-helpers.c:2005

#6  0x00007f401a68ae25 in start_thread () from ./lib64/libpthread.so.0

#7  0x00007f4019f53bad in clone () from ./lib64/libc.so.6

(gdb) f 4

#4  0x00007f400def07f9 in posix_fs_health_check (this=0x7f3fd78b7840) at /home/jenkins/root/workspace/centos7-regression/xlators/storage/posix/src/posix-helpers.c:1960

1960         gf_event(EVENT_POSIX_HEALTH_CHECK_FAILED,

(gdb) l

1955         sys_close(fd);

1956     }

1957     if (ret && file_path[0]) {

1958         gf_msg(this->name, GF_LOG_WARNING, errno, P_MSG_HEALTHCHECK_FAILED,

1959                "%s() on %s returned", op, file_path);

1960         gf_event(EVENT_POSIX_HEALTH_CHECK_FAILED,

1961                  "op=%s;path=%s;error=%s;brick=%s:%s timeout is %d", op,

1962                  file_path, strerror(op_errno), priv->hostname, priv->base_path,

1963                  timeout);

1964     }

(gdb) p pri->hostname

No symbol "pri" in current context.

(gdb) p priv->hostname

$14 = 0xa200 <error: Cannot access memory at address 0xa200>

(gdb) p priv->base_path

$15 = 0x7f3ddeadc0de00 <error: Cannot access memory at address 0x7f3ddeadc0de00>

(gdb) 

Thanks,

Nithya

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