panic: make_dev_credv when lindev module is loaded on the recent revision

Hi,

Current problem has arisen in the last four days in FreeBSD head.

When load lindev modules began to emerge follow panic:

Unread portion of the kernel message buffer:
panic: make_dev_credv: bad si_name (error=17, si_name=full)
cpuid = 1
Uptime: 30s
Dumping 431 out of 8045 MB:..4%..12%..23%..34%..41%..52%..64%..71%..82%..93%

Reading symbols from /boot/kernel/libalias.ko.symbols...done.
Loaded symbols for /boot/kernel/libalias.ko.symbols
Reading symbols from /boot/kernel/linprocfs.ko.symbols...done.
Loaded symbols for /boot/kernel/linprocfs.ko.symbols
Reading symbols from /boot/kernel/linux.ko.symbols...done.
Loaded symbols for /boot/kernel/linux.ko.symbols
Reading symbols from /boot/kernel/linsysfs.ko.symbols...done.
Loaded symbols for /boot/kernel/linsysfs.ko.symbols
Reading symbols from /boot/kernel/if_bridge.ko.symbols...done.
Loaded symbols for /boot/kernel/if_bridge.ko.symbols
Reading symbols from /boot/kernel/bridgestp.ko.symbols...done.
Loaded symbols for /boot/kernel/bridgestp.ko.symbols
Reading symbols from /boot/kernel/if_tap.ko.symbols...done.
Loaded symbols for /boot/kernel/if_tap.ko.symbols
Reading symbols from /boot/kernel/vmm.ko.symbols...done.
Loaded symbols for /boot/kernel/vmm.ko.symbols
Reading symbols from /boot/kernel/aio.ko.symbols...done.
Loaded symbols for /boot/kernel/aio.ko.symbols
Reading symbols from /boot/kernel/cc_htcp.ko.symbols...done.
Loaded symbols for /boot/kernel/cc_htcp.ko.symbols
Reading symbols from /boot/modules/cuse4bsd.ko...done.
Loaded symbols for /boot/modules/cuse4bsd.ko
Reading symbols from /boot/kernel/crypto.ko.symbols...done.
Loaded symbols for /boot/kernel/crypto.ko.symbols
Reading symbols from /boot/kernel/cryptodev.ko.symbols...done.
Loaded symbols for /boot/kernel/cryptodev.ko.symbols
Reading symbols from /boot/modules/nvidia.ko...done.
Loaded symbols for /boot/modules/nvidia.ko
Reading symbols from /boot/kernel/sem.ko.symbols...done.
Loaded symbols for /boot/kernel/sem.ko.symbols
Reading symbols from /boot/modules/vboxdrv.ko...done.
Loaded symbols for /boot/modules/vboxdrv.ko
Reading symbols from /boot/kernel/accf_data.ko.symbols...done.
Loaded symbols for /boot/kernel/accf_data.ko.symbols
Reading symbols from /boot/kernel/accf_http.ko.symbols...done.
Loaded symbols for /boot/kernel/accf_http.ko.symbols
Reading symbols from /boot/kernel/cpuctl.ko.symbols...done.
Loaded symbols for /boot/kernel/cpuctl.ko.symbols
Reading symbols from /boot/kernel/uhid.ko.symbols...done.
Loaded symbols for /boot/kernel/uhid.ko.symbols
Reading symbols from /boot/kernel/ums.ko.symbols...done.
Loaded symbols for /boot/kernel/ums.ko.symbols
Reading symbols from /boot/modules/vboxnetflt.ko...done.
Loaded symbols for /boot/modules/vboxnetflt.ko
Reading symbols from /boot/kernel/netgraph.ko.symbols...done.
Loaded symbols for /boot/kernel/netgraph.ko.symbols
Reading symbols from /boot/kernel/ng_ether.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_ether.ko.symbols
Reading symbols from /boot/modules/vboxnetadp.ko...done.
Loaded symbols for /boot/modules/vboxnetadp.ko
Reading symbols from /boot/kernel/pf.ko.symbols...done.
Loaded symbols for /boot/kernel/pf.ko.symbols
Reading symbols from /boot/kernel/nullfs.ko.symbols...done.
Loaded symbols for /boot/kernel/nullfs.ko.symbols
Reading symbols from /boot/kernel/fdescfs.ko.symbols...done.
Loaded symbols for /boot/kernel/fdescfs.ko.symbols
Reading symbols from /boot/kernel/lindev.ko.symbols...done.
Loaded symbols for /boot/kernel/lindev.ko.symbols
#0  doadump (textdump=<value optimized out>) at pcpu.h:219
219             __asm("movq %%gs:%1,%0" : "=r" (td)

(kgdb) bt
#0  doadump (textdump=<value optimized out>) at pcpu.h:219
#1  0xffffffff80944db8 in kern_reboot (howto=260) at 
/usr/src/sys/kern/kern_shutdown.c:449
#2  0xffffffff80945237 in panic (fmt=<value optimized out>) at 
/usr/src/sys/kern/kern_shutdown.c:756
#3  0xffffffff808e4e8d in make_dev_credv (flags=<value optimized out>, dres=<value 
optimized out>, devsw=<value optimized out>, unit=<value optimized out>, 
cr=<value optimized out>, 
    uid=<value optimized out>, mode=<value optimized out>) at 
/usr/src/sys/kern/kern_conf.c:763
#4  0xffffffff808e4aa7 in make_dev (devsw=0x0, unit=0, uid=0, gid=<value optimized 
out>, mode=<value optimized out>, fmt=<value optimized out>) at 
/usr/src/sys/kern/kern_conf.c:820
#5  0xffffffff8265b083 in lindev_modevent_full (mod=<value optimized out>, 
type=<value optimized out>, data=<value optimized out>)
    at /usr/src/sys/modules/lindev/../../dev/lindev/full.c:83
#6  0xffffffff80927ae2 in module_register_init (arg=0xffffffff8265b2b0) at 
/usr/src/sys/kern/kern_module.c:123
#7  0xffffffff8091b364 in linker_load_module (kldname=<value optimized out>, 
modname=0xfffff80005b46400 "lindev", parent=0x0, verinfo=0x0, 
lfpp=0xfffffe02325a6940)
    at /usr/src/sys/kern/kern_linker.c:225
#8  0xffffffff8091cdef in kern_kldload (td=<value optimized out>, file=<value 
optimized out>, fileid=0xfffffe02325a6984) at 
/usr/src/sys/kern/kern_linker.c:1030
#9  0xffffffff8091cf2b in sys_kldload (td=0xfffff80008729920, uap=<value optimized 
out>) at /usr/src/sys/kern/kern_linker.c:1056
#10 0xffffffff80d9ecab in amd64_syscall (td=0xfffff80008729920, traced=0) at 
subr_syscall.c:133
#11 0xffffffff80d8113b in Xfast_syscall () at 
/usr/src/sys/amd64/amd64/exception.S:390
#12 0x000000080088e9ea in ?? ()
Previous frame inner to this frame (corrupt stack?)

(kgdb) list *0xffffffff808e4e8d
0xffffffff808e4e8d is at /usr/src/sys/kern/kern_conf.c:763.
758             dev = newdev(devsw, unit, dev_new);
759             if ((dev->si_flags & SI_NAMED) == 0) {
760                     res = prep_devname(dev, fmt, ap);
761                     if (res != 0) {
762                             if ((flags & MAKEDEV_CHECKNAME) == 0) {
763                                     panic(
764                             "make_dev_credv: bad si_name (error=%d, 
si_name=%s)",
765                                         res, dev->si_name);
766                             }
767                             if (dev == dev_new) {