[systemd-devel] How to suppress coredumps when systemd-coredump is in use?

[Robert O'Callahan]

On Fri, Jan 8, 2016 at 11:34 PM, Simon McVittie <
simon.mcvittie at collabora.co.uk> wrote:

> On 08/01/16 04:31, Robert O'Callahan wrote:
> > http://rr-project.org has a test suite which runs a lot of programs that
> > intentionally crash with core-dumping signals.
>
> dbus has a similar thing in its test suite. The feature you want is
> PR_SET_DUMPABLE.
>

Thanks. Unfortunately prctl(PR_SET_DUMPABLE, 0) makes it impossible to
PTRACE_ATTACH to such a process, which rr needs to run its tests. (rr is a
debugger.). It also changes the owner of most files/dirs under /proc/<pid>
to root, which breaks various other things rr needs.

Rob
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