[Pound Mailing List] Re: 2.7d segfault under FreeBSD 10.1-RC3

On Mon, Oct 27, 2014 at 9:50 AM, Nick Rogers <[email protected]> wrote:

> Hello,
>
> I'm hoping someone can shed some light on the segfault I encounter trying
> to get pound 2.7d working under FreeBSD 10.1-RC3.
>
> root@fbsd_101_amd64_builder:/usr/ports/www/pound # gdb
> /usr/local/sbin/pound pound.core
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
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> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "amd64-marcel-freebsd"...
> Core was generated by `pound'.
> Program terminated with signal 11, Segmentation fault.
> Reading symbols from /usr/local/lib/libpcreposix.so.0...done.
> Loaded symbols for /usr/local/lib/libpcreposix.so.0
> Reading symbols from /usr/lib/libssl.so.7...done.
> Loaded symbols for /usr/lib/libssl.so.7
> Reading symbols from /lib/libcrypto.so.7...done.
> Loaded symbols for /lib/libcrypto.so.7
> Reading symbols from /lib/libm.so.5...done.
> Loaded symbols for /lib/libm.so.5
> Reading symbols from /lib/libthr.so.3...done.
> Loaded symbols for /lib/libthr.so.3
> Reading symbols from /lib/libc.so.7...done.
> Loaded symbols for /lib/libc.so.7
> Reading symbols from /usr/local/lib/libpcre.so.3...done.
> Loaded symbols for /usr/local/lib/libpcre.so.3
> Reading symbols from /libexec/ld-elf.so.1...done.
> Loaded symbols for /libexec/ld-elf.so.1
> #0  0x0000000000411058 in get_subjectaltnames (x509=0x80206dfa0,
> count=0x80203e0b8) at config.c:187
> 187    while(sk_GENERAL_NAME_num(san_stack) > 0) {
> [New Thread 802006400 (LWP 100108/pound)]
> (gdb) bt
> #0  0x0000000000411058 in get_subjectaltnames (x509=0x80206dfa0,
> count=0x80203e0b8) at config.c:187
> #1  0x0000000000415228 in parse_HTTPS () at config.c:1062
> #2  0x0000000000412e1b in parse_file () at config.c:1362
> #3  0x0000000000411fa1 in config_parse (argc=3, argv=0x7fffffffeb20) at
> config.c:1549
> #4  0x0000000000405102 in main (argc=3, argv=0x7fffffffeb20) at pound.c:309
>
> It seems to have something to do with the server key specified in the
> certs directive. However the same pound.conf and server key works with
> pound 2.6.
>

FWIW, the problem seems to be with the "Certificate alternate names
support" added in 2.7a. I don't have an issue with this under FreeBSD 9
OpenSSL 0.9.8. But in FreeBSD 10.1 OpenSSL 1.0.1j it causes a segmentation
fault that I have yet to figure out.


>
> Also, pound 2.7d works well for me under FreeBSD 9.x.
>
> Thanks,
>
> -Nick
>