[issue1891] sftp utility crashes

[rob]

vasily postnicov (via DragonFly issue tracker) wrote:

> 
> vasily postnicov <shamaz.mazum at gmail.com> added the comment:
> 
> I've recompiled sftp with -g and without -O options and attached the file.
> (I have x86_64 system with DragonFlyBSD 2.8)
> 
> Here is some output from gdb:
> 
> (gdb) run shamazmazum,tprpg at frs.sourceforge.net
> Starting program: /home/vasily/debug/sftp
> shamazmazum,tprpg at frs.sourceforge.net
> shamazmazum,tprpg at frs.sourceforge.net's password: Connected to
> frs.sourceforge.net. sftp> get htdocs
> 
> Program received signal SIGILL, Illegal instruction.
> 0x0000000800570800 in ?? ()
> (gdb) bt
> #0  0x0000000800570800 in ?? ()
> #1  0x0000000800bbf2ce in ?? () from /usr/lib/libc.so.7
> #2  0x0000000800bbfafb in ?? () from /usr/lib/libc.so.7
> #3  0x0000000800bc0039 in glob () from /usr/lib/libc.so.7
> #4  0x000000000040cd8d in remote_glob (conn=0x8005700c0,
>     pattern=0x800570800 "/home/groups/t/tp/tprpg/htdocs", flags=8,
>     errfunc=0, pglob=0x7fffffffe640) at sftp-glob.c:155
> #5  0x0000000000403f2f in process_get (conn=0x8005700c0,
>     src=0x8005500c8 "htdocs", dst=0x0,
>     pwd=0x8005600b8 "/home/groups/t/tp/tprpg", pflag=0, rflag=0) at
>     sftp.c:508
> #6  0x000000000040622a in parse_dispatch_command (conn=0x8005700c0,
>     cmd=0x7fffffffec50 "get htdocs", pwd=0x7ffffffff458, err_abort=0)
>     at sftp.c:1307
> #7  0x0000000000407fad in interactive_loop (conn=0x8005700c0, file1=0x0,
>     file2=0x0) at sftp.c:1975
> #8  0x0000000000408983 in main (argc=2, argv=0x7ffffffff5b8) at
> #sftp.c:2249
> (gdb) frame 4
> #4  0x000000000040cd8d in remote_glob (conn=0x8005700c0,
>     pattern=0x800570800 "/home/groups/t/tp/tprpg/htdocs", flags=8,
>     errfunc=0, pglob=0x7fffffffe640) at sftp-glob.c:155
> 155             return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc,
> pglob)); (gdb) print pattern
> $1 = 0x800570800 "/home/groups/t/tp/tprpg/htdocs"
> (gdb) frame 5
> #5  0x0000000000403f2f in process_get (conn=0x8005700c0,
>     src=0x8005500c8 "htdocs", dst=0x0,
>     pwd=0x8005600b8 "/home/groups/t/tp/tprpg", pflag=0, rflag=0) at
>     sftp.c:508
> 508             if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
> (gdb) cont
> Continuing.
> 
> Program terminated with signal SIGILL, Illegal instruction.
> The program no longer exists.
> (gdb) q
>> exit
> 
> Process terminal finished
> 
> Glob without GLOB_ALTDIRFUNC works fine. Maybe there is something in
> pglob->gl_* functions.
> 
> _____________________________________________________
> DragonFly issue tracker <bugs at lists.dragonflybsd.org>
> <http://bugs.dragonflybsd.org/issue1891>
> _____________________________________________________
I have experienced similar issues with ruby for example, X86_64 build, this 
does not appear to be isolated to sftp. I will attempt to get ruby built
with full debugging, and see what I can find out.

RG