Date: Mon, 26 Oct 2015 18:30:47 -0400 From: Derek Schrock <dereks@lifeofadishwasher.com> To: freebsd-security@freebsd.org Subject: Re: FreeBSD Security Advisory FreeBSD-SA-15:25.ntp Message-ID: <20151026223047.GA5688@ircbsd> In-Reply-To: <20151026204642.GB39073@in-addr.com> References: <201510261236.t9QCa2cm044240@think.nginx.com> <20151026155915.GA39073@in-addr.com> <20151026161356.GA1264@ircbsd> <562E6180.5060104@FreeBSD.org> <1277A6B4-29F6-44B5-9342-4B2BDC9F7CFB@schulte.org> <20151026181102.GA1889@ircbsd> <20151026204642.GB39073@in-addr.com>
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On Mon, Oct 26, 2015 at 04:46:42PM EDT, Gary Palmer wrote: > > > Here's my backtrace from 9.3 ntpq on amd64 > > % gdb /usr/obj/usr/src/usr.sbin/ntp/ntpq/ntpq ntpq.core > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "amd64-marcel-freebsd"...(no debugging symbols found)... > Core was generated by `ntpq'. > Program terminated with signal 6, Aborted. > Reading symbols from /lib/libedit.so.7...(no debugging symbols found)...done. > Loaded symbols for /lib/libedit.so.7 > Reading symbols from /lib/libm.so.5...(no debugging symbols found)...done. > Loaded symbols for /lib/libm.so.5 > Reading symbols from /lib/libcrypto.so.6...(no debugging symbols found)...done. > Loaded symbols for /lib/libcrypto.so.6 > Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done. > Loaded symbols for /lib/libc.so.7 > Reading symbols from /lib/libncurses.so.8...(no debugging symbols found)...done. > Loaded symbols for /lib/libncurses.so.8 > Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. > Loaded symbols for /libexec/ld-elf.so.1 > #0 0x0000000801147f1c in kill () from /lib/libc.so.7 > (gdb) bt > #0 0x0000000801147f1c in kill () from /lib/libc.so.7 > #1 0x0000000801146b4b in abort () from /lib/libc.so.7 > #2 0x0000000000418ad7 in isc_error_fatal () > #3 0x0000000000418b2f in isc_error_runtimecheck () > #4 0x0000000000413039 in isc_net_probeipv4 () > #5 0x0000000000411e43 in init_lib () > #6 0x000000000040767b in ntpqmain () > #7 0x0000000000403a61 in _start () > #8 0x0000000800658000 in ?? () > #9 0x0000000000000000 in ?? () > (gdb) > > ntpd is starting OK on the same box, but I have to use a pre-update > copy of ntpq to make sure it's synchronised OK. For some reason, > a pre-update copy of ntpdc doesn't work, just times out. FYI: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204046
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