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On Ubuntu 10.4, test programs that segfault do XPASS

From: Roberto Bagnara
Subject: On Ubuntu 10.4, test programs that segfault do XPASS
Date: Sat, 21 Aug 2010 23:32:45 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050929 Thunderbird/1.0.7 Fedora/1.0.7-1.1.fc4 Mnenhy/

I am using Automake's simple test driver.  I have three programs
that, due to a buggy program transformation, keep allocating
stack space until they segfault:

$ ulimit -s
$ ./bug23
Segmentation fault
$ ./bug24
Segmentation fault
$ ./bug31
Segmentation fault


$ make check
XPASS: bug23
XPASS: bug24
XPASS: bug31

I am able to reproduce this _only_ on Ubuntu (10.4):
on all other systems I have access to things work
as expected.

I have checked whether the test programs do segfault
also under /bin/dash (yes, with a 'd', I know Ubuntu
is special in this respect) and they do.

Any idea how I may investigate this issue further?


Prof. Roberto Bagnara
Applied Formal Methods Laboratory
Department of Mathematics, University of Parma, Italy

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