Re: ptx bug -- unbounded buffer overflow

2008-03-21 Thread Dawson Engler
Cristi, were there any statements in ptx you were having a hard time hitting that it might make sense to ask Jim about? > > > Hello Jim, > > Thanks for the prompt answer. > Could you please acknowledge Daniel Dunbar ([EMAIL PROTECTED]) and > Dawson Engler ([EMAIL PROTECTED]) as well? >

Re: ptx bug -- unbounded buffer overflow

2008-03-21 Thread Cristian Cadar
Hello Jim, Thanks for the prompt answer. Could you please acknowledge Daniel Dunbar ([EMAIL PROTECTED]) and Dawson Engler ([EMAIL PROTECTED]) as well? Our tool works by generating test cases that achieve very high statement and branch coverage. At this point, the tool is not mature en

Re: ptx bug -- unbounded buffer overflow

2008-03-21 Thread Jim Meyering
Cristian Cadar <[EMAIL PROTECTED]> wrote: > Hello, I'm part of a research group at Stanford, working on automatic > bug-finding tools. We are currently testing coreutils, and we found a > crash bug in ptx due to an unbounded buffer overflow. > > Here is a trivial test case that triggers the bu

ptx bug -- unbounded buffer overflow

2008-03-20 Thread Cristian Cadar
Hello, I'm part of a research group at Stanford, working on automatic bug-finding tools. We are currently testing coreutils, and we found a crash bug in ptx due to an unbounded buffer overflow. Here is a trivial test case that triggers the bug in the current version of coreutils (6.10): $ p