[GRASS-dev] G7.0.svn: g.remove segfault

[Vaclav Petras]

On Wed, Jun 24, 2015 at 9:29 AM, Vaclav Petras <wenzeslaus at gmail.com> wrote:

>
>
> On Wed, Jun 24, 2015 at 3:12 AM, Markus Neteler <neteler at osgeo.org> wrote:
>
>> On Wed, Jun 24, 2015 at 9:06 AM, Markus Neteler <neteler at osgeo.org>
>> wrote:
>> > Hi,
>> >
>> > to my surprise I managed to generate a segfault using g.remove:
>>
>> please disregard. Apparently a system update triggered this (no idea how).
>> "make distclean" helped.
>>
>
> Well, you are not the only one with the problem:
>
> https://lists.osgeo.org/pipermail/grass-dev/2015-May/075083.html
>
> I will have to try distclean, although I think I tried it several times
> before.
>
>
I'm getting the same issues again. Now I actually see a buffer overflow:

*** buffer overflow detected ***: g.remove terminated
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x7338f)[0x7fc697b2b38f]
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7fc697bc2c9c]
/lib/x86_64-linux-gnu/libc.so.6(+0x109b60)[0x7fc697bc1b60]
/lib/x86_64-linux-gnu/libc.so.6(+0x109069)[0x7fc697bc1069]
/lib/x86_64-linux-gnu/libc.so.6(_IO_default_xsputn+0xbc)[0x7fc697b3370c]
/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x26b0)[0x7fc697b043a0]
/lib/x86_64-linux-gnu/libc.so.6(__vsprintf_chk+0x84)[0x7fc697bc10f4]
/lib/x86_64-linux-gnu/libc.so.6(__sprintf_chk+0x7d)[0x7fc697bc104d]
/home/vpetras/dev/grass/trunk/dist.x86_64-unknown-linux-gnu/lib/
libgrass_manage.7.1.svn.so(M_do_remove+0
x2e8)[0x7fc6982e9148]
g.remove(main+0x68d)[0x401c5d]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7fc697ad9ec5]
g.remove[0x401e3e]
======= Memory map: ========
00400000-00403000 r-xp 00000000 08:11 16127189
/home/vpetras/dev/grass/trunk/d
ist.x86_64-unknown-linux-gnu/bin/g.remove
00602000-00603000 r--p 00002000 08:11 16127189
/home/vpetras/dev/grass/trunk/d
ist.x86_64-unknown-linux-gnu/bin/g.remove
00603000-00604000 rw-p 00003000 08:11 16127189
/home/vpetras/dev/grass/trunk/d
ist.x86_64-unknown-linux-gnu/bin/g.remove
...

It fails with a lot of tests but with many other it works. I'm not sure if
all errors are stack overflow but I could catch all output the a fine next
time.

Vaclav
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/grass-dev/attachments/20150624/a431ecb2/attachment.html>