[Fluxus] fluxus segfault with 4 levels of dirs in path

[Glauber Alex Dias Prado]

Dave Griffiths <dave at pawfal.org> writes:

> On Mon, 2007-09-03 at 07:20 -0300, Glauber Alex Dias Prado wrote:
>> Hi Dave,
>> 
>> I get a segfault here when starting fluxus from something like:
>> 
>>  $ /home/user/third/fourth/fluxus-0.13
>> 
>> while it works ok with:
>> 
>>  $ /home/user/third/fluxus-0.13
>> 
>> I dont know what is the cause so I'm reporting it, i did tested it in
>> different levels and paths to make sure and its repeatable, this description
>> is the best I could come so far :).
>
> I don't get this - could you run it through gdb?
>
> cheers,
>
> dave

Sure,

Current directory is ~/live/fluxus/
GNU gdb 6.4
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This GDB was configured as "x86_64-pc-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) handle SIGSEGV nostop noprint
Signal        Stop	Print	Pass to program	Description
SIGSEGV       No	No	Yes		Segmentation fault
(gdb) start
Breakpoint 1 at 0x4127f0: file main.cpp, line 169.
Starting program: /usr/bin/fluxus-0.13 
main (argc=1, argv=0x7fff43eedbb8) at main.cpp:169
(gdb) continue
Continuing.
Seg fault (internal error) at 0x65726578

Program received signal SIGABRT, Aborted.
0x00002b9068cf0df5 in raise () from /lib/libc.so.6
(gdb) bt
#0  0x00002b9068cf0df5 in raise () from /lib/libc.so.6
#1  0x00002b9068cf216e in abort () from /lib/libc.so.6
#2  0x00002b906708660b in fault_handler () from /usr/lib/libmzscheme3m-370.6.so
#3  0x00002b9066ce50e0 in funlockfile () from /lib/libpthread.so.0
#4  0x00002b9066f760bc in scheme_hash_key () from /usr/lib/libmzscheme3m-370.6.so
#5  0x00002b9066f76749 in scheme_bucket_or_null_from_table () from /usr/lib/libmzscheme3m-370.6.so
#6  0x00002b9066f2b109 in scheme_do_add_global_symbol () from /usr/lib/libmzscheme3m-370.6.so
#7  0x00002b9066f2b31b in scheme_add_global () from /usr/lib/libmzscheme3m-370.6.so
#8  0x00002aaaab25863e in LightFunctions::AddGlobals (env=0x2aaaab07ba28) at LightFunctions.cpp:373
#9  0x00002aaaab234428 in scheme_reload (env=0x2aaaaaed5b18) at FluxusEngine.cpp:321
#10 0x00002b9066f24308 in scheme_default_load_extension () from /usr/lib/libmzscheme3m-370.6.so
#11 0x00002b9066f42be0 in scheme_do_eval () from /usr/lib/libmzscheme3m-370.6.so
#12 0x00002b9066fec41f in scheme_load_with_clrd () from /usr/lib/libmzscheme3m-370.6.so
#13 0x00002b9066f42be0 in scheme_do_eval () from /usr/lib/libmzscheme3m-370.6.so
#14 0x00002b9066f42e3e in scheme_do_eval () from /usr/lib/libmzscheme3m-370.6.so
#15 0x00002b9066f65474 in scheme_finish_apply_for_prompt () from /usr/lib/libmzscheme3m-370.6.so
#16 0x00002b9066f65639 in scheme_apply_for_prompt () from /usr/lib/libmzscheme3m-370.6.so
#17 0x00002b9066f712c1 in scheme_init_fun () from /usr/lib/libmzscheme3m-370.6.so
#18 0x00002b9066f42be0 in scheme_do_eval () from /usr/lib/libmzscheme3m-370.6.so
#19 0x00002b9066f6e05e in scheme_make_prim () from /usr/lib/libmzscheme3m-370.6.so
#20 0x00002b9066f6e22b in scheme_call_with_prompt () from /usr/lib/libmzscheme3m-370.6.so
#21 0x00002b9066ff159f in scheme_init_port_fun_config () from /usr/lib/libmzscheme3m-370.6.so
#22 0x00002b9066f625e5 in scheme_dynamic_wind () from /usr/lib/libmzscheme3m-370.6.so
#23 0x00002b9066ff0e82 in scheme_init_port_fun_config () from /usr/lib/libmzscheme3m-370.6.so
#24 0x00002b9066f42be0 in scheme_do_eval () from /usr/lib/libmzscheme3m-370.6.so
#25 0x00002b9066fec41f in scheme_load_with_clrd () from /usr/lib/libmzscheme3m-370.6.so
#26 0x00002b9066f42be0 in scheme_do_eval () from /usr/lib/libmzscheme3m-370.6.so
#27 0x00002b9066f4345b in scheme_do_eval () from /usr/lib/libmzscheme3m-370.6.so
#28 0x00002b9066f6a6f9 in top_level_do () from /usr/lib/libmzscheme3m-370.6.so
#29 0x00002b9066f6a9b6 in scheme_top_level_do () from /usr/lib/libmzscheme3m-370.6.so
#30 0x00002b9066f4391e in scheme_eval_multi () from /usr/lib/libmzscheme3m-370.6.so
#31 0x00002b9066f43a87 in scheme_eval () from /usr/lib/libmzscheme3m-370.6.so
#32 0x000000000040ba60 in fluxus::Interpreter::Interpret (this=0x51abe0, str=@0x7fff43eeda50, ret=0x0, abort=true) at Interpreter.cpp:74
#33 0x0000000000412903 in main (argc=1, argv=0x7fff43eedbb8) at main.cpp:195
(gdb) continue
Continuing.

Program terminated with signal SIGABRT, Aborted.
The program no longer exists.
(gdb) 

sorry for coming up with problems most :).

cheers,

glauber.