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

[Colin Walters]

On Sun, Jan 10, 2016, at 02:01 AM, Robert O'Callahan wrote:
>>
> 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.

I'm not aware of a way to do what you need now, but I think the right
fix in the kernel would be something like per-cgroup core patterns,
combined with the unified hierarchy so we can have unprivileged
cgroup changes.
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