ok. I'll take a look and get back to you in a few days.
Best,
Scuri
On Mon, Dec 26, 2016 at 6:15 PM, reyalp <rey...@gmail.com> wrote:
> Hi,
>
> A user of an Lua IUP application I maintain (chdkptp) reported crashes
> on several recent Linux distros, including ubuntu 16.10, Fedora 25 and
> Manjaro.
>
> The crash appears to be triggered when a iup.list with dropdown set is
> mapped, and can be reproduced using just the list.lua example included
> with IUP.
>
> This happens on ubuntu 16.10, and not on 16.04 (both x64, default
> installs with unity desktop). I used the pre-built libraries from
> sourceforge, but the user reported IUP built from source on the
> affected distros has the same problem.
>
> I reproduced the crash with the following:
>
> Download iup-3.20-Lua52_Linux44_64_bin.tar.gz
>
> Download http://webserver2.tecgraf.puc-rio.br/iup/examples/Lua/list.lua
>
> Run
> LD_LIBRARY_PATH=`pwd` ./lua52 list.lua
>
> If the definition of list_dropdown is commented out, or list_dropdown
> is not included in frm_prize it does not crash.
>
> The crash gives a stack trace like:
>
> LD_LIBRARY_PATH=. gdb --args ./lua52 list.lua
> GNU gdb (Ubuntu 7.11.90.20161005-0ubuntu1) 7.11.90.20161005-git
> ...
>
> Thread 1 "lua52" received signal SIGSEGV, Segmentation fault.
> 0x00007ffff53d7946 in g_type_check_instance_cast ()
> from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
> (gdb) bt
> #0 0x00007ffff53d7946 in g_type_check_instance_cast ()
> from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
> #1 0x00007ffff6bcda1b in gtkListMapMethod () from ./libiup.so
> #2 0x00007ffff6b81854 in IupMap () from ./libiup.so
> #3 0x00007ffff6b818a8 in IupMap () from ./libiup.so
> #4 0x00007ffff6b818a8 in IupMap () from ./libiup.so
> #5 0x00007ffff6b818a8 in IupMap () from ./libiup.so
> #6 0x00007ffff6b819e7 in IupShowXY () from ./libiup.so
> #7 0x00007ffff6e784a8 in ShowXY () from ./libiuplua52.so
> #8 0x00000000004085ad in luaD_precall ()
> #9 0x0000000000412dbc in luaV_execute ()
> #10 0x00000000004088ee in luaD_call ()
> #11 0x0000000000407f2f in luaD_rawrunprotected ()
> #12 0x0000000000408b31 in luaD_pcall ()
> #13 0x0000000000406521 in lua_pcallk ()
> #14 0x0000000000404216 in docall ()
> #15 0x0000000000404e08 in pmain ()
> #16 0x00000000004085ad in luaD_precall ()
> #17 0x00000000004088e2 in luaD_call ()
> #18 0x0000000000407f2f in luaD_rawrunprotected ()
> #19 0x0000000000408b31 in luaD_pcall ()
> #20 0x0000000000406521 in lua_pcallk ()
> #21 0x0000000000403fbb in main ()
>
> Best regards, and thanks for IUP
>
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