rtfree: 0xc296cd20 has 1 refs

[Yuri Pankov]

On Thu, 2007-05-24 at 22:20 +0400, Gleb Smirnoff wrote:
> Robert,
> 
> On Wed, May 23, 2007 at 06:24:00PM +0100, Robert Watson wrote:
> R>  During boot on today's 7-CURRENT:
> R> 
> R>    net.inet6.ip6.auto_linklocal: 1 -> 0
> R>    rtfree: 0xc296cd20 has 1 refsDHCPREQUEST on ed0 to 255.255.255.255 port 67
> R>    DHCPACK from 10.211.55.1
> 
> this is me catching incorrect use of rtfree(). :)
> 
> Can you please add kdb_backtrace() to line 248 of sys/net/route.c and
> reproduce?
> 

Hi,

I get similar messages. Here's backtraces:

at boot:
rtfree: 0xffffff0060053b40 has 1 refsKDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
rtfree() at rtfree+0xba
in6_update_ifa() at in6_update_ifa+0x724
in6_ifattach() at in6_ifattach+0x2ce
ifioctl() at ifioctl+0x118
soo_ioctl() at soo_ioctl+0x3ad
kern_ioctl() at kern_ioctl+0xa2
ioctl() at ioctl+0xf9
syscall() at syscall+0x1b2
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (54, FreeBSD ELF64, ioctl), rip = 0x80082184c, rsp =
0x7fffffffe588, rbp = 0x7fffffffef73 ---

after ppp's connect:
rtfree: 0xffffff0060053870 has 1 refsKDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
rtfree() at rtfree+0xba
in6_ifremloop() at in6_ifremloop+0xb8
in6_purgeaddr() at in6_purgeaddr+0x42
in6_control() at in6_control+0x116c
ifioctl() at ifioctl+0xea
soo_ioctl() at soo_ioctl+0x3ad
kern_ioctl() at kern_ioctl+0xa2
ioctl() at ioctl+0xf9
syscall() at syscall+0x1b2
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (54, FreeBSD ELF64, ioctl), rip = 0x80125b84c, rsp =
0x7fffffffe388, rbp = 0x7fffffffe550 ---