On Fri, Feb 14, 2014 at 8:20 PM, Juan Francisco Cantero Hurtado <[email protected]> wrote: > Can someone tell me if this crash is due to a bug on OpenBSD or on > Racket? I'm asking because the backtrace shows "atexit" and I don't > know if it is something related to the changes to atexit. I only see the > bug when racket is compiled with gcc. With clang (on amd64), racket > works fine. > > http://bugs.racket-lang.org/query/?cmd=view%20audit-trail&database=default&pr=14318
To quote that: > #5 0x0000175f2cf6ea82 in strlen (str=0x0) at > /usr/src/lib/libc/string/strlen.c:43 > s = Variable "s" is not available. strlen(NULL) is an error. The question is what happened above that; why is that being called only when compiled with gcc and not with clang? The default answer to that question is "undefined behavior according to C standard in calling program"...but you need to look at the calling code to be sure. Philip Guenther
