Re: PINE: SIG 6

On Saturday 19 May 2007, Larry Rosenman wrote:
> On May 19, 2007, at 1:31 PM, Alexander Kabaev wrote:
> > On Sat, 19 May 2007 13:20:06 -0500
> >
> > Larry Rosenman <ler_at_lerctr.org> wrote:
> >>> This core is useless. You need need debug symbols in libc and
> >>> libssl.
> >>
> >> How can I enable the debug symbols for libc and libssl/libcrypto?
> >>
> >> LER
> >
> > The usual way.
> >
> > cd /usr/src/lib/lib
> > CFLAGS="-O -g" STRIP="" sudo make clean all install
> >
> > cd /usr/src/secure/lib/libssl
> > CFLAGS="-O -g" STRIP="" sudo make clean all install
> >
> > --
> > Alexander Kabaev
>
> Here's the new backtrace (I recompiled pine with -g as well):
> #0  0x00000008011da3ec in kill () at kill.S:2
> 2       RSYSCALL(kill)
> (gdb) bt
> #0  0x00000008011da3ec in kill () at kill.S:2
> #1  0x00000008011da391 in __raise (s=6) at /usr/src/lib/libc/gen/
> raise.c:46
> #2  0x00000008011d927e in abort () at /usr/src/lib/libc/stdlib/
> abort.c:65
> #3  0x0000000000556289 in coredump () at os.c:781
> #4  0x0000000000504462 in panic (
>      message=0x7fffffffade0 "Received abort signal(sig=?)") at pine.c:
> 4366
> #5  0x0000000000532df2 in auger_in_signal () at signals.c:242
> #6  <signal handler called>
> #7  0x0000000800d4374d in ssl3_send_client_key_exchange (s=0x80154e180)
>      at /usr/src/secure/lib/libssl/../../../crypto/openssl/ssl/
> s3_clnt.c:1845
> #8  0x0000000800d46420 in ssl3_connect (s=0x80154e180)
>      at /usr/src/secure/lib/libssl/../../../crypto/openssl/ssl/
> s3_clnt.c:327
> #9  0x0000000800d5026b in ssl3_write_bytes (s=0x80154e180, type=23,
> buf_=Variable "buf_" is not available.
> )
>      at /usr/src/secure/lib/libssl/../../../crypto/openssl/ssl/
> s3_pkt.c:526
> #10 0x0000000800d56628 in ssl3_write (s=0x80154e180, buf=0x7275d3,
> len=0)
>      at /usr/src/secure/lib/libssl/../../../crypto/openssl/ssl/
> s3_lib.c:2327
> #11 0x0000000800d4d19f in SSL_write (s=Variable "s" is not available.
> )
>      at /usr/src/secure/lib/libssl/../../../crypto/openssl/ssl/
> ssl_lib.c:903
> #12 0x0000000000597c1a in ssl_start_work ()
> #13 0x00000000005978b9 in ssl_start ()
> #14 0x00000000005c3a87 in smtp_open_full ()
> #15 0x00000000005284c8 in call_mailer (header=0x7fffffffdd40,
>      body=0x80152c080, alt_smtp_servers=0x0) at send.c:7118
> ---Type <return> to continue, or q <return> to quit---
> #16 0x000000000052cf34 in pine_send (outgoing=0x801434150,
>      body=0x7fffffffe328, editor_title=Variable "editor_title" is not
> available.
> ) at send.c:5141
> #17 0x000000000052e6ee in compose_mail (given_to=0x0, fcc_arg=0x0,
>      role_arg=0x0, attach=0x0, inc_text_getc=0) at send.c:984
> #18 0x000000000052e9b8 in compose_screen (pine_state=0x801401000) at
> send.c:335
> #19 0x000000000050f385 in main (argc=1, argv=0x7fffffffec90) at
> pine.c:1342
> Current language:  auto; currently asm
> (gdb)
I believe libssl is broken if not compiled with -DOPENSSL_NO_DH. Gcc will warn 
that the program will abort if the code reaches any call to DHparams_dup() 
when compiling libssl. 

ssl3_send_client_key_exchange calls this (macro) at s3_clnt.c:1856. There are 
other places too.

- Pieter de Goeje