On Fri, Apr 27, 2012 at 03:56:03PM -0700, Andris Kalnozols wrote: > On 4/27/2012 11:44 AM, Kurt Roeckx wrote: > >On Thu, Apr 26, 2012 at 03:28:17PM -0700, Andris Kalnozols wrote: > >>Package: openssl > >>Version: 0.9.8o-4squeeze12 > >>Severity: important > >>Tags: squeeze > >> > >>The NTP daemon on our stratum-1 time server `clepsydra.dec.com' keeps > >>failing with this log message: > >> > >>Apr 26 12:27:17 clepsydra kernel: [ 635.455671] ntpd[2598]: segfault at 20 > >>ip 00007f727f118ec3 sp 00007fff1ecb9a78 error 4 in > >>libcrypto.so.0.9.8[7f727f039000+175000] > >> > >>When linking with libcrypto.a, crashes still occur: > >> > >>Apr 26 14:20:19 clepsydra kernel: [ 2191.670043] ntpd[2596]: segfault at 20 > >>ip 0000000000470aa3 sp 00007fff49a93e78 error 4 in ntpd[400000+14f000] > > OK, some progress. I was able to get a stack backtrace with gdb: > > clepsydra# gdb /usr/sbin/ntpd > Reading symbols from /usr/sbin/ntpd...done. > (gdb) set set follow-fork-mode child > No symbol "set" in current context. > (gdb) set follow-fork-mode child > (gdb) run -4 -g > Starting program: /usr/sbin/ntpd -4 -g > [Thread debugging using libthread_db enabled] > [New process 4749] > [Thread debugging using libthread_db enabled] > [tcsetpgrp failed in terminal_inferior: No such process] > > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread 0x7ffff7fe9700 (LWP 4749)] > 0x00000000004776d3 in EVP_DigestUpdate () > (gdb) bt > #0 0x00000000004776d3 in EVP_DigestUpdate () > #1 0x000000000041c5ee in session_key (srcadr=0x7d50f0, dstadr=0x7db1b0, > keyno=0, private=<value optimized out>, lifetime=0) at ntp_crypto.c:233 > #2 0x00000000004254db in fast_xmit (rbufp=0x7d50e0, > xmode=<value optimized out>, xkeyid=510781053, flags=<value > optimized out>) > at ntp_proto.c:3320 > #3 0x00000000004260a7 in receive (rbufp=0x7d50e0) at ntp_proto.c:476 > #4 0x00000000004128c9 in ntpdmain (argc=3, argv=0x7fffffffe678) at > ntpd.c:1172 > #5 0x00007ffff6fecc8d in __libc_start_main () from /lib/libc.so.6 > #6 0x00000000004047a9 in _start () > > > Appended is the session_key() function from `ntp_crypto.c' where the failure > is occurring. Let me know whatever debugging steps you would like me to do.
header and hdlen from frame 1 would be nice. Could you also install the libssl0.9.8-dbg package? You'll get debug symbols then. Kurt -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
