[Bug 205743] null pointer dereference in PF running a vimage jail

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205743

--- Comment #9 from gila <ing.gila at gmail.com> ---
Hi,

It seems there was a paste error

icmp_types="echoreq" 

Is what should be there. I just grabbed the latest image from 11-CURRENT and
verified the bug is still -- and I have not applied the patch.

The second panic (after patch) is indeed related to pfsync. I have no use for
pfsync however, and I don't really know why it shows up. 


Whats new in this release is when I create the jail; i get a lor message:

#0 0xffffffff80a7c5f0 at witness_debugger+0x70
#1 0xffffffff80a7c4f1 at witness_checkorder+0xe71
#2 0xffffffff809fd99b at __lockmgr_args+0xd3b
#3 0xffffffff80ac5fcc at vop_stdlock+0x3c
#4 0xffffffff80fd3860 at VOP_LOCK1_APV+0x100
#5 0xffffffff80ae6eca at _vn_lock+0x9a
#6 0xffffffff80ad7333 at vget+0x63
#7 0xffffffff808f8fcd at devfs_allocv+0xcd
#8 0xffffffff808f8a93 at devfs_root+0x43
#9 0xffffffff80ace631 at vfs_donmount+0x1521
#10 0xffffffff80acd0e2 at sys_nmount+0x72
#11 0xffffffff80e8615b at amd64_syscall+0x2db
#12 0xffffffff80e6515b at Xfast_syscall+0xfb
lock order reversal:
 1st 0xffffffff81cf4038 allprison (allprison) @
/usr/src/sys/kern/kern_jail.c:1020
 2nd 0xffffffff81d19b10 vnet_sysinit_sxlock (vnet_sysinit_sxlock) @
/usr/src/sys/net/vnet.c:573
stack backtrace:
#0 0xffffffff80a7c5f0 at witness_debugger+0x70
#1 0xffffffff80a7c4f1 at witness_checkorder+0xe71
#2 0xffffffff80a29533 at _sx_slock+0x73
#3 0xffffffff80b1ccce at vnet_alloc+0x10e
#4 0xffffffff809ed3f3 at kern_jail_set+0x1d33
#5 0xffffffff809eede1 at sys_jail_set+0x41
#6 0xffffffff80e8615b at amd64_syscall+0x2db
#7 0xffffffff80e6515b at Xfast_syscall+0xfb

The jail does start though.

Then in the jail, starting PF trigger the panic mentioned earlier. Let me know
if there is anything else I can do to help.

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