Re: Problem in libcrypto?

[Paul Goyette <paul%vps1.whooppee.com@localhost>]

OK, a little further investigation shows that this is related to another 
recent thread [1].  And the patch proposed by joerg in [2] seems to fix 
the problem.

Any reason why the patch has not yet been committed?


[1] http://mail-index.netbsd.org/current-users/2015/05/19/msg027431.html
[2] http://mail-index.netbsd.org/current-users/2015/05/22/msg027458.html



On Sat, 23 May 2015, Paul Goyette wrote:

> Oh, sorry, I forgot - this is on amd64 ...
>
> On Sat, 23 May 2015, Paul Goyette wrote:
>
> > With a build from sources updated on 2015-05-22 at 23:58:07 UTC, I am 
> > getting the following error when booting up under qemu-2.3.0
> >
> >
> > # /etc/rc.d/syslogd start
> > Starting syslogd.
> > [1]   Illegal instruction (core dumped) /usr/sbin/syslog...
> > # gdb /usr/sbin/syslogd
> > GNU gdb (GDB) 7.7.1
> > Copyright (C) 2014 Free Software Foundation, Inc.
> > License GPLv3+: GNU GPL version 3 or later 
> > <http://gnu.org/licenses/gpl.html>
> > This is free software: you are free to change and redistribute it.
> > There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> > and "show warranty" for details.
> > This GDB was configured as "x86_64--netbsd".
> > Type "show configuration" for configuration details.
> > For bug reporting instructions, please see:
> > <http://www.gnu.org/software/gdb/bugs/>.
> > Find the GDB manual and other documentation resources online at:
> > <http://www.gnu.org/software/gdb/documentation/>.
> > For help, type "help".
> > Type "apropos word" to search for commands related to "word"...
> > Reading symbols from /usr/sbin/syslogd...(no debugging symbols 
> > found)...done.
> > (gdb) target core syslogd.core
> > [New process 1]
> > Core was generated by `syslogd'.
> > Program terminated with signal SIGILL, Illegal instruction.
> > #0  0x00007f7ff673ba87 in ?? () from /usr/lib/libcrypto.so.8
> > (gdb) bt
> > #0  0x00007f7ff673ba87 in ?? () from /usr/lib/libcrypto.so.8
> > #1  0xd29655ffd46280b6 in ?? ()
> > #2  0x00007f7ff7b530d0 in ?? ()
> > #3  0x00007f7ff7b530c4 in ?? ()
> > #4  0x00007f7ff7b53080 in ?? ()
> > #5  0x00007f7ff7b5309c in ?? ()
> > #6  0x0000000000000001 in ?? ()
> > #7  0x0000000000000000 in ?? ()
> > (gdb) disass 0x00007f7ff673ba87
> > No function contains specified address.
> > (gdb)
> >
> >
> > A little bit of investigation shows that the libcrypto function 
> > sha1_block_data_order exists at addresses 7f7ff673a940 - 7f7ff673ba2a
> >
> > But I cannot determine what routine might be next in memory.
> >
> > Here's a hexdump of 7f7ff673ba00 thru
> >
> > (gdb) x/40 0x7f7ff673ba00
> > 0x7f7ff673ba00 <sha1_block_data_order+4288>:
> >                0x10688945     0x01ea8349     0x40498d4d     0xefae850f
> > 0x7f7ff673ba10: 0x8b48ffff     0x4c402474     0x8b4c2e8b     0x8b480866
> > 0x7f7ff673ba20: 0x8b48106e     0x8d48185e     0xc3f32066     0x00401f0f
> > 0x7f7ff673ba30: 0x54415553     0x24648d48     0xf88949c0     0x49f18949
> > 0x7f7ff673ba40: 0xc149d289     0x014d06e2     0x1d8d4cca     0x00001c70
> > 0x7f7ff673ba50: 0x41008b41     0x4104588b     0x4108488b     0x890c508b
> > 0x7f7ff673ba60: 0x688b41de     0x0f416610     0x6640736f     0x0b6f0f45
> > 0x7f7ff673ba70: 0x6f0f41f3     0x0f41f301     0xf310496f     0x516f0f41
> > 0x7f7ff673ba80: 0x0f41f320     0x6630596f     0xc600380f     0x40c18349
> > 0x7f7ff673ba90: 0x00380f66     0x380f66ce     0x0f66d600     0x66de0038
> >
> >
> >
> > -------------------------------------------------------------------------
> > | Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
> > | (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
> > | Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org  |
> > -------------------------------------------------------------------------
>
> -------------------------------------------------------------------------
> | Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
> | (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
> | Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org  |
> -------------------------------------------------------------------------

-------------------------------------------------------------------------
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org  |
-------------------------------------------------------------------------