Date: Fri, 25 May 2007 03:29:16 +0400 From: Yuri Pankov <yuri.pankov@gmail.com> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: rtfree: 0xc296cd20 has 1 refs Message-ID: <1180049356.1014.3.camel@darklight> In-Reply-To: <20070524182028.GE89017@FreeBSD.org> References: <20070523182203.R12345@fledge.watson.org> <20070524182028.GE89017@FreeBSD.org>
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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 ---
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