Re: [ANNOUNCE] ipset 6.5 released

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On Sun, 22 May 2011, Mr Dash Four wrote:

> > The uninitialized bytes are OK and there is no memory leak or corruption.
> >   
> I am able to now reproduce the error, having applied your patch Jozsef,
> rebuilt the kernel, updated the whole image on that machine and rebooted. This
> is what happens:
> 
> All sets are now loaded, *except* the last file where I get the segmentation
> fault error I described earlier, i.e, something like this:
> 
> May 22 01:25:20 dmz1 kernel: [ 1361.321376] ipset[2819]: segfault at 0 ip
> 00e26655 sp bfdad710 error 4 in libmnl.so.0.0.1[e24000+4000]
> May 22 01:26:39 dmz1 kernel: [ 1440.120529] ipset[2841]: segfault at 0 ip
> 002d7655 sp bfbe7b10 error 4 in libmnl.so.0.0.1[2d5000+4000]
> 
> I started to narrow this down and the first culprit seems to be the following
> 2 statements:
> 
> n priviledged-ports bitmap:port range 1-1023 timeout 0
> a priviledged-ports 1-1023
> 
> When I removed the above 2 statements I am then getting this:
> 
> ipset v6.5: Error in line 4: Internal protocol error
> 
> No segmentation fault! I narrowed the latest error down to the following 2
> statements:
> 
> n test-net bitmap:ip range 10.1.1.172/29 timeout 0
> a test-net 10.1.1.172/29
> 
> I then removed those as well. Tried again - segmentation fault error. I then
> removed the following 3 statements, which were next in line:
> 
> n test-ports bitmap:port range 12770-19999 timeout 0
> a test-ports 12770-12784
> a test-ports 19999
> 
> Next, another segmentation fault error, it turns out the culprit this time was
> 2 statements which were further down the line from this file:
> 
> n test-port bitmap:port range 29950-29950 timeout 0
> a test-port 29950
> 
> Removed these and guess what - segmentation fault error again, at which point
> I bloody gave up! ipset 4.5 it is!

If you want me to be able to reproduce and fix the issue, please send me 
the full data you used. I assumed the restore files you sent me contained 
the case where the segfaults popped up. Apparently it's not, because 
there's no such commands in them.

Best regards,
Jozsef
-
E-mail  : kadlec@xxxxxxxxxxxxxxxxx, kadlec@xxxxxxxxxxxx
PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt
Address : KFKI Research Institute for Particle and Nuclear Physics
          H-1525 Budapest 114, POB. 49, Hungary
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