Re: kern/48098: panic: kernel diagnostic assertion "cred != NULL": sys/kern/kern_auth.c

[Brian Marcotte <marcotte%panix.com@localhost>]

>  I think this needs (for both "do_drop" true and false  cases) the same
>  treatment as kern/47598 to deal with embryonic connections w/o
>  credentials yet. (c.f. rev 1.5 of
>  src/sys/secmodel/extensions/secmodel_extensions.c)

If you can give me more to go on, I can probably make the change to
my sources.

Also, I don't know if this is related, but one of the machines which
has had the "cred != NULL" panic has now seen a few of these panics:

  panic: kernel diagnostic assertion "(l->l_pflag & LP_INTR) == 0" failed: file 
"/misc/devel/netbsd/6.1/src/sys/kern/kern_synch.c", line 627
  cpu2: Begin traceback...
  
kern_assert(c03e74d4,c03e7515,c03f9c15,c03f9da4,273,e2be6b4c,c03401b3,e2be6adc,ccc6a690,e2be6af8)
 at netbsd:kern_assert+0x23
  
mi_switch(cb926560,e2be6b20,c0203567,c0420ac0,c01eaee7,c86e3402,1,c8776b00,cb6812a0,cb926560)
 at netbsd:mi_switch+0x76e
  sleepq_block(0,0,c03fac69,c0427f8c,c0396965,e2be6b5c,1,c0,cb682f01,cb926560) 
at netbsd:sleepq_block+0xad
  
turnstile_block(0,1,c86d6f40,c0427f8c,c0196a55,400,cb6812a0,ccceb5fc,cce693a0,ccc6a690)
 at netbsd:turnstile_block+0x2af
  
mutex_vector_enter(c86d6f40,c8776a82,fffffffe,c0396965,ccceb601,e2be6bd4,c03969e3,16e37,0,1fffc000)
 at netbsd:mutex_vector_enter+0x1c8
  
tcp_close(ccceb5fc,c0396965,c86eb000,c86eb060,e2be6c24,c020e281,ccceb5fc,e2be6c24,c03969e3,cb926560)
 at netbsd:tcp_close+0x101
  
tcp_timer_2msl(ccceb5fc,e2be6c24,c03969e3,cb926560,0,c030b9e0,c86eb004,100,ccceb5fc,e010d214)
 at netbsd:tcp_timer_2msl+0xe8
  callout_softclock(0,0,e2be6c64,52,14,b7bca000,e2be6c94,c02e8b0a,e010d074,40) 
at netbsd:callout_softclock+0x191
  
softint_overlay(14,e2be6d00,9,e2be6cc4,c02e8bdf,14,cb926560,cb569564,b7b554b4,e2be6d3c)
 at netbsd:softint_overlay+0x137
  
lwp_userret(cb926560,cb926560,e2be6d48,c0425464,e2be6d3c,c02f528a,cb926560,e2be6d00,e2be6d28,c02acc36)
 at netbsd:lwp_userret+0x238
  trap() at netbsd:trap+0x658
  --- trap (number 3) ---
  baa50c71:
  cpu2: End traceback...

I can open a separate ticket if you think it's unrelated.

Thanks.

--
- Brian