[PATCH][BZ #18508] S390: Fix "backtrace() returns infinitely deep stack frames with makecontext()".

[Florian Weimer]

On 06/09/2015 05:42 PM, Stefan Liebler wrote:

> On s390/s390x backtrace(buffer, size) returns the series of called
> functions until "makecontext_ret" and additional entries (up to "size")
> with "makecontext_ret".
> GDB-backtrace is also warning: "Backtrace stopped: previous frame
> identical to this frame (corrupt stack?)"

Is it possible to extract a test case from the Go program, by calling
makecontext and backtrace in the same way to Go run time does?

I think this would be a useful addition to the glibc test suite.

-- 
Florian Weimer / Red Hat Product Security