Re: [PATCH 0/4] coredump: core dump masking support v3

[David Howells]

Kawai, Hidehiro <hidehiro.kawai.ez@xxxxxxxxxxx> wrote:

> To avoid the above situation we can limit the core file size by
> setrlimit(2) or ulimit(1). But this method can lose important data
> such as stack because core dumping is terminated halfway.
> So I suggest keeping shared memory segments from being dumped for
> particular processes.

A better way might be to place the shared memory segments last if that's
possible (I'm not sure ELF supports out-of-order segments).

> Because the shared memory attached to processes is common in them, we don't
> need to dump the shared memory every time.

So there's no guarantee that they'll be dumped at all...  I'm not sure there's
any way around that, however.

David
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