Re: [PATCH -mm] coredump: add support for %d=__get_dumpable() incore name

From: Andrew Morton
Date: Thu Sep 13 2012 - 18:25:54 EST

On Thu, 13 Sep 2012 19:28:17 +0200
Oleg Nesterov <oleg@xxxxxxxxxx> wrote:


Needs a RH bugzilla account, so no Reported-by: for you!

> Some coredump handlers want to create a core file in a way compatible
> with standard behavior. Standard behavior with fs.suid_dumpable = 2
> is to create core file with uid=gid=0. However, there was no way for
> coredump handler to know that the process being dumped was suid'ed.
> This patch adds the new %d specifier for format_corename() which
> simply reports __get_dumpable(mm->flags), this is compatible with
> /proc/sys/fs/suid_dumpable we already have.

Please prepare an update to Documentation/sysctl/kernel.txt:core_pattern?
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