On Tue, Feb 25, 2014 at 11:28:36AM -0500, Kyle McMartin wrote:
> On Tue, Feb 25, 2014 at 01:18:57PM +0000, Richard W.M. Jones wrote:
> > Program terminated with signal SIGSEGV, Segmentation fault.
> > #0 __GI_strspn (s=s@entry=0x0, accept=accept@entry=0xb6d0576c ";")
> > at strspn.c:33
> > 33 for (p = s; *p != '\0'; ++p)
> > (gdb) t a a bt
> >
> > Thread 1 (Thread 0xb6f82000 (LWP 2133)):
> > #0 __GI_strspn (s=s@entry=0x0, accept=accept@entry=0xb6d0576c ";")
> > at strspn.c:33
> > #1 0xb442e804 in strtok (s=0x0, delim=0xb6d0576c ";") at strtok.c:45
> > #2 0xb65dd4e0 in zorba::append_env_var (env_var_name=<optimized out>,
> > pathsVector=std::vector of length 3, capacity 4 = {...})
> > at /home/rjones/d/fedora/zorba/master/zorba-2.9.1/src/context/root_static_context.cpp:102
>
> Yeah, I debugged this last night, the problem is zorba isn't checking
> the return value of getenv, and as a result, passing a NULL ptr to
> strtok. Oddly, the optimized assembler versions in glibc for x86_64
> happily just return NULL, whereas on ARM and other platforms, they
> dereference NULL and take a SIGSEGV.
You mean .. building on ARM has helped to shake out bugs in x86?
The system works!
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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