SSP bugs

Jonas Norlander jonas.norlander at ovikonline.com
Sat Mar 20 02:06:06 PST 2004


On Fri, Mar 19, 2004 at 12:09:07PM -0500, Robert Connolly wrote:
> On March 19, 2004 11:47 am, Jonas Norlander wrote:
> > > If this segfaults or not, please report back. This might be a bug with a
> > > specific SSP version, or with GCC3.
> >
> > It segfaults for me. Here is my spec.
> >
> > Kernel 2.4.25 with grsecurity 1.9.14
> > g++ (GCC) 3.3.2 (Propolice Only 3.3-5)
> > glibc 2.3.2 with Propolice patch
> >
> > [jonas at venus ~/tmp]$ ./vector
> > Segmentation fault
> > Mar 19 17:15:35 venus kernel: grsec: From 192.168.7.1: signal 11 sent to
> > (vector:6851) UID(1001) EUID(1001), parent (bash:5200) UID(1001) EUID(1001)
> > Mar 19 17:15:35 venus kernel: grsec: From 192.168.7.1: attempted resource
> > overstep by requesting 4096 for RLIMIT_CORE against limit 0 by
> > (vector:6851) UID(1001) EUID(1001), parent (bash:5200) UID(1001) EUID(1001)
> 
> The kill is coming from grsec. Do you get the same results with 
> -fno-stack-protector ?

With -fno-stack-protector it dosn't segfault.




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