pid 29779 (varnishd), uid 65534: exited on signal 11

[andre.ease]

HI ALL:

    My varnish ran on FreeBSD7, and i used dmesg see lots of message like these "pid xxxx(varnishd), uid 65534: exited on signal 11", then the mgr-vanishd exit on signal 6. Used GDB i found these: 

[Thread 0xa84419650 (LWP 100874) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xa83404090 (LWP 100648)]
vbe_sock_conn (ai=0x0) at cache_backend.c:162
162             s = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
(gdb) bt
#0  vbe_sock_conn (ai=0x0) at cache_backend.c:162
#1  0x0000000000408c05 in VBE_GetFd (sp=0xa856bd008) at cache_backend.c:190
#2  0x000000000040b0b2 in Fetch (sp=0xa856bd008) at cache_fetch.c:278
#3  0x0000000000409851 in CNT_Session (sp=0xa856bd008) at cache_center.c:300
#4  0x0000000000410e81 in wrk_do_one (w=0x7fffc1208ad0) at cache_pool.c:194
#5  0x00000000004110ae in wrk_thread (priv=Variable "priv" is not available.
) at cache_pool.c:248
#6  0x0000000800a83a88 in pthread_getprio () from /lib/libthr.so.3
#7  0x0000000000000000 in ?? ()
Error accessing memory address 0x7fffc120b000: Bad address.
(gdb) 
 
The ai pointed to NULL, and process exited.

Any idea, thanks~~~

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