[Bug 388483] Re: smbd panic action with yield_connection name=0x0

[Matthew Morgan]

I have more information on this bug.  I have so far:

* installed cups
* gotten rid of the extra no-printing configuration in my smb.conf
* removed the socket options line I'd added
* installed samba from source

I still get the bug even built from source directly from the v3-5-stable
branch of samba's git repo.  I'm wondering if the problem is related to
a library that samba is linking to since I can't find any mention of
this bug online outside of a debian-based distribution.  I've attached
my new samba configuration.  Also, here is a sample of the samba 3.5
version of the crash report.  If anyone wants client session logs I can
get those too.

[Thread debugging using libthread_db enabled]
0x00007f6f60974f7e in waitpid () from /lib/libc.so.6
#0  0x00007f6f60974f7e in waitpid () from /lib/libc.so.6
#1  0x00007f6f6090c7e9 in ?? () from /lib/libc.so.6
#2  0x00007f6f6399c9c8 in smb_panic (why=0x7f6f63fc9e60 "internal error")
    at lib/util.c:1471
#3  0x00007f6f63985085 in fault_report (sig=11) at lib/fault.c:52
#4  0x00007f6f6398509a in sig_fault (sig=11) at lib/fault.c:75
#5  <signal handler called>
#6  0x00007f6f6094e052 in ?? () from /lib/libc.so.6
#7  0x00007f6f6395e04a in rep_strlcpy (d=0x7fff512f17a8 "", s=0x0, bufsize=256)
    at ../lib/replace/replace.c:69
#8  0x00007f6f639aefdb in connections_fetch_entry (mem_ctx=0x0, 
    conn=0x7f6f654aa470, name=0x0) at lib/conn_tdb.c:65
#9  0x00007f6f635de917 in yield_connection (conn=0x7f6f654aa470, name=0x0)
    at smbd/connection.c:33
#10 0x00007f6f636927a6 in close_cnum (conn=0x7f6f654aa470, vuid=100)
    at smbd/service.c:1256
#11 0x00007f6f635ea8bd in conn_close_all (sconn=0x7f6f653f74f0)
    at smbd/conn.c:185
#12 0x00007f6f63e9ee31 in exit_server_common (how=SERVER_EXIT_NORMAL, 
    reason=0x7f6f63ecde28 "failed to receive smb request") at smbd/server.c:848
#13 0x00007f6f63e9f211 in exit_server_cleanly (
    explanation=0x7f6f63ecde28 "failed to receive smb request")
    at smbd/server.c:927


** Attachment added: "smb.conf"
   https://bugs.launchpad.net/debian/+source/samba/+bug/388483/+attachment/2153574/+files/smb.conf

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https://bugs.launchpad.net/bugs/388483

Title:
  smbd panic action with yield_connection name=0x0