Re: libffcall and selinux

Hi Don,

> May 25 12:10:41 localhost audit: ANOM_ABEND auid=0 uid=0 gid=0 ses=3 subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 pid=11356 comm="lisp.run" exe="/home/don/hg/clisp/build-dir/lisp.run" sig=11
> May 25 12:10:41 localhost kernel: lisp.run[11356]: segfault at b000000b1f1 ip 00000000004bdeb4 sp 00007ffd4d6b82f0 error 4 in lisp.run[400000+2c1000]
> May 25 12:10:42 localhost abrt-hook-ccpp: Process 11356 (lisp.run) of user 0 killed by SIGSEGV - dumping core
> 
> I'm guessing this is related to the problem you're now working on,
> but not related to selinux.

Yes, nearly everyone on Linux/x86_64 is seeing this (or a similar) crash.

> make -k check also shows
>  > form: (nth-prime 150)
> 
> *** - Program stack overflow. RESET

Now this means that the default stack size is quite small. What's the result of
$ ulimit -a | grep stack
? For me, it's:
stack size              (kbytes, -s) 8192

> Let me know if I can do anything else useful with this VM before 
> I turn it off.

Yes, it would be useful to enable SELinux checks (at least those that smell
like related to "restricted mprotect" or like "write xor execute" or similar,
and see how clisp behaves with these checks enabled.

Bruno


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