Re: more statd segfault

[michael <michael@newdream.net>]

I finally tracked down the statd segfault that had been plaguing me for 
sometime.

statd calls sunrpc code which is in libc on debian. this code loops 
through all possible file descriptors and in my case if the number of 
fds per process is set higher then 8096 it segfaults.

for the archives here is the code that segfaults:

void
svc_getreqset (fd_set *readfds)
{
   register u_int32_t mask;
   register u_int32_t *maskp;
   register int setsize;
   register int sock;
   register int bit;

   setsize = _rpc_dtablesize ();
   maskp = (u_int32_t *) readfds->fds_bits;
   for (sock = 0; sock < setsize; sock += 32)
     for (mask = *maskp++; (bit = ffs (mask)); mask ^= (1 << (bit - 1)))
       svc_getreq_common (sock + bit - 1);
}


keywords: statd segfault sun rpc file lock ulimit

michael



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