Re: 32bit binaries on x86_64/Xen segfaults in syscall-vdso

From: Bastian Blank
Date: Fri Sep 04 2009 - 12:20:09 EST


On Fri, Sep 04, 2009 at 09:07:39AM -0700, Jeremy Fitzhardinge wrote:
> But for some reason that's triggering a failsafe callback, which invokes
> a GP.

Hmm, not in my tests. It always returned to userspace correctly and died
some operations later, usually the "ret". This then produced either a
segfault (unreadable address), sigill (if it managed to reach the ELF
header of the ld.so) or a GPF.

Bastian

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