Samba4 seg fault

[Taylor, Jonn]

Samba4 is still intermittently crashing. This seems to be happening when
loading and unloading user profiles.

Jonn

[2011/03/08 22:01:01,  0]
../source4/lib/cmdline/popt_common.c:58(popt_s4_talloc_log_fn)
  talloc: access after free error - first free may be at
../lib/tevent/tevent_req.c:178
[2011/03/08 22:01:01,  0]
../source4/lib/cmdline/popt_common.c:58(popt_s4_talloc_log_fn)
  Bad talloc magic value - access after free
[2011/03/08 22:01:01,  0] ../lib/util/fault.c:143(smb_panic)
  PANIC: Bad talloc magic value - access after free
[2011/03/08 22:01:01,  0] ../lib/util/fault.c:62(call_backtrace)
  BACKTRACE: 24 stack frames:
   #0 /usr/local/samba/lib/libsamba-util.so.0(call_backtrace+0x1c)
[0x2b8df49e1300]
   #1 /usr/local/samba/lib/libsamba-util.so.0(smb_panic+0x24d)
[0x2b8df49e161b]
   #2 /usr/local/samba/lib/samba/libtalloc.so.2 [0x2b8df500edba]
   #3 /usr/local/samba/lib/samba/libtalloc.so.2 [0x2b8df500ee39]
   #4 /usr/local/samba/lib/samba/libtalloc.so.2 [0x2b8df500ef4f]
   #5 /usr/local/samba/lib/samba/libtalloc.so.2(talloc_get_name+0x15)
[0x2b8df501055f]
   #6
/usr/local/samba/lib/samba/libtalloc.so.2(_talloc_get_type_abort+0x49)
[0x2b8df50106fe]
   #7 /usr/local/samba/lib/libdcerpc.so.0 [0x2b8df5cf55a5]
   #8 /usr/local/samba/lib/libdcerpc.so.0 [0x2b8df5cf6eb5]
   #9 /usr/local/samba/lib/libdcerpc.so.0 [0x2b8df5cf7282]
   #10
/usr/local/samba/lib/samba/libtevent.so.0(tevent_common_loop_timer_delay+0x20b)
[0x2b8df4e089d9]
   #11 /usr/local/samba/lib/samba/libtevent.so.0 [0x2b8df4e07815]
   #12 /usr/local/samba/lib/samba/libtevent.so.0 [0x2b8df4e0807e]
   #13 /usr/local/samba/lib/samba/libtevent.so.0(_tevent_loop_once+0xdf)
[0x2b8df4e037e0]
   #14
/usr/local/samba/lib/samba/libtevent.so.0(tevent_common_loop_wait+0x1f)
[0x2b8df4e03a05]
   #15 /usr/local/samba/lib/samba/libtevent.so.0(_tevent_loop_wait+0x25)
[0x2b8df4e03ac1]
   #16 /usr/local/samba/modules/process_model/standard.so [0x2b8dfc131475]
   #17
/usr/local/samba/lib/samba/libservice.so(task_server_startup+0x8a)
[0x2b8df43b1290]
   #18 /usr/local/samba/lib/samba/libservice.so [0x2b8df43afb7b]
   #19
/usr/local/samba/lib/samba/libservice.so(server_service_startup+0x11a)
[0x2b8df43afcb8]
   #20 /usr/local/samba/sbin/samba [0x40a7a9]
   #21 /usr/local/samba/sbin/samba [0x40a880]
   #22 /lib64/libc.so.6(__libc_start_main+0xf4) [0x35c761d994]
   #23 /usr/local/samba/sbin/samba [0x404509]

Samba4 version

[2011/03/08 22:05:18,  0] ../source4/smbd/server.c:368(binary_smbd_main)
  samba version 4.0.0alpha15-GIT-6013d75 started.
  Copyright Andrew Tridgell and the Samba Team 1992-2011
[2011/03/08 22:05:19,  0] ../source4/smbd/server.c:470(binary_smbd_main)
  samba: using 'standard' process model