On Fri, Aug 10, 2018 at 12:31:51PM CDT, Zev Weiss wrote:
On Fri, Aug 10, 2018 at 12:16:20PM CDT, Damien Miller wrote:
On Fri, 10 Aug 2018, Zev Weiss wrote:
Also x86_64 here (Core i7-4771, for what it's worth). I too have 4.17
installed, I just haven't yet gotten around to actually running it, so 4.14 is
what's presently live on the system. If you want I think you should be able
to replicate that aspect via 'xbps-install linux4.14' (and then of course
booting said kernel).
I booted to linux-4.14 and test_kex still passes. Have you twiddled any
sysctls related to ASLR or security?
-d
The only entry in my /etc/sysctl.conf is kernel.yama.ptrace_scope = 0;
kernel.randomize_va_space is at its default value of 2.
I'm a bit busy at the moment, but I'll hopefully be able to dig in
with a debugger and investigate in more detail sometime in the next
couple days.
...and it turns out it was just a stale build artifact --
regress/unittests/kex/test_kex.o didn't get recompiled after an update
to kex.h that changed the layout of struct kex. (Since from a cursory
glance it doesn't appear that there's currently any effort being made to
track header dependencies for things in the regress/ directory, I'm
assuming this wouldn't be considered a bug worth fixing.)
After a make clean all tests pass -- apologies for the noise.
Zev
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